fife-parpg: ext/libpng-1.2.29/pngtrans.c annotate

author	mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
date	Sun, 29 Jun 2008 18:44:17 +0000
parents
children

rev	line source
0 4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	1
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	2 /* pngtrans.c - transforms the data in a row (used by both readers and writers)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	3 *
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	4 * Last changed in libpng 1.2.17 May 15, 2007
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	5 * For conditions of distribution and use, see copyright notice in png.h
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	6 * Copyright (c) 1998-2007 Glenn Randers-Pehrson
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	7 * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	8 * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	9 */
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	10
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	11 #define PNG_INTERNAL
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	12 #include "png.h"
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	13
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	14 #if defined(PNG_READ_SUPPORTED) \|\| defined(PNG_WRITE_SUPPORTED)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	15 #if defined(PNG_READ_BGR_SUPPORTED) \|\| defined(PNG_WRITE_BGR_SUPPORTED)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	16 /* turn on BGR-to-RGB mapping */
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	17 void PNGAPI
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	18 png_set_bgr(png_structp png_ptr)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	19 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	20 png_debug(1, "in png_set_bgr\n");
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	21 if(png_ptr == NULL) return;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	22 png_ptr->transformations \|= PNG_BGR;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	23 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	24 #endif
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	25
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	26 #if defined(PNG_READ_SWAP_SUPPORTED) \|\| defined(PNG_WRITE_SWAP_SUPPORTED)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	27 /* turn on 16 bit byte swapping */
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	28 void PNGAPI
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	29 png_set_swap(png_structp png_ptr)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	30 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	31 png_debug(1, "in png_set_swap\n");
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	32 if(png_ptr == NULL) return;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	33 if (png_ptr->bit_depth == 16)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	34 png_ptr->transformations \|= PNG_SWAP_BYTES;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	35 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	36 #endif
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	37
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	38 #if defined(PNG_READ_PACK_SUPPORTED) \|\| defined(PNG_WRITE_PACK_SUPPORTED)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	39 /* turn on pixel packing */
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	40 void PNGAPI
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	41 png_set_packing(png_structp png_ptr)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	42 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	43 png_debug(1, "in png_set_packing\n");
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	44 if(png_ptr == NULL) return;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	45 if (png_ptr->bit_depth < 8)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	46 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	47 png_ptr->transformations \|= PNG_PACK;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	48 png_ptr->usr_bit_depth = 8;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	49 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	50 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	51 #endif
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	52
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	53 #if defined(PNG_READ_PACKSWAP_SUPPORTED)\|\|defined(PNG_WRITE_PACKSWAP_SUPPORTED)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	54 /* turn on packed pixel swapping */
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	55 void PNGAPI
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	56 png_set_packswap(png_structp png_ptr)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	57 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	58 png_debug(1, "in png_set_packswap\n");
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	59 if(png_ptr == NULL) return;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	60 if (png_ptr->bit_depth < 8)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	61 png_ptr->transformations \|= PNG_PACKSWAP;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	62 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	63 #endif
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	64
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	65 #if defined(PNG_READ_SHIFT_SUPPORTED) \|\| defined(PNG_WRITE_SHIFT_SUPPORTED)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	66 void PNGAPI
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	67 png_set_shift(png_structp png_ptr, png_color_8p true_bits)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	68 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	69 png_debug(1, "in png_set_shift\n");
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	70 if(png_ptr == NULL) return;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	71 png_ptr->transformations \|= PNG_SHIFT;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	72 png_ptr->shift = *true_bits;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	73 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	74 #endif
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	75
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	76 #if defined(PNG_READ_INTERLACING_SUPPORTED) \|\| \
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	77 defined(PNG_WRITE_INTERLACING_SUPPORTED)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	78 int PNGAPI
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	79 png_set_interlace_handling(png_structp png_ptr)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	80 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	81 png_debug(1, "in png_set_interlace handling\n");
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	82 if (png_ptr && png_ptr->interlaced)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	83 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	84 png_ptr->transformations \|= PNG_INTERLACE;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	85 return (7);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	86 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	87
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	88 return (1);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	89 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	90 #endif
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	91
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	92 #if defined(PNG_READ_FILLER_SUPPORTED) \|\| defined(PNG_WRITE_FILLER_SUPPORTED)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	93 /* Add a filler byte on read, or remove a filler or alpha byte on write.
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	94 * The filler type has changed in v0.95 to allow future 2-byte fillers
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	95 * for 48-bit input data, as well as to avoid problems with some compilers
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	96 * that don't like bytes as parameters.
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	97 */
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	98 void PNGAPI
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	99 png_set_filler(png_structp png_ptr, png_uint_32 filler, int filler_loc)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	100 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	101 png_debug(1, "in png_set_filler\n");
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	102 if(png_ptr == NULL) return;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	103 png_ptr->transformations \|= PNG_FILLER;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	104 png_ptr->filler = (png_byte)filler;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	105 if (filler_loc == PNG_FILLER_AFTER)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	106 png_ptr->flags \|= PNG_FLAG_FILLER_AFTER;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	107 else
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	108 png_ptr->flags &= ~PNG_FLAG_FILLER_AFTER;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	109
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	110 /* This should probably go in the "do_read_filler" routine.
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	111 * I attempted to do that in libpng-1.0.1a but that caused problems
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	112 * so I restored it in libpng-1.0.2a
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	113 */
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	114
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	115 if (png_ptr->color_type == PNG_COLOR_TYPE_RGB)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	116 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	117 png_ptr->usr_channels = 4;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	118 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	119
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	120 /* Also I added this in libpng-1.0.2a (what happens when we expand
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	121 * a less-than-8-bit grayscale to GA? */
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	122
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	123 if (png_ptr->color_type == PNG_COLOR_TYPE_GRAY && png_ptr->bit_depth >= 8)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	124 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	125 png_ptr->usr_channels = 2;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	126 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	127 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	128
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	129 #if !defined(PNG_1_0_X)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	130 /* Added to libpng-1.2.7 */
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	131 void PNGAPI
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	132 png_set_add_alpha(png_structp png_ptr, png_uint_32 filler, int filler_loc)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	133 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	134 png_debug(1, "in png_set_add_alpha\n");
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	135 if(png_ptr == NULL) return;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	136 png_set_filler(png_ptr, filler, filler_loc);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	137 png_ptr->transformations \|= PNG_ADD_ALPHA;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	138 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	139 #endif
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	140
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	141 #endif
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	142
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	143 #if defined(PNG_READ_SWAP_ALPHA_SUPPORTED) \|\| \
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	144 defined(PNG_WRITE_SWAP_ALPHA_SUPPORTED)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	145 void PNGAPI
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	146 png_set_swap_alpha(png_structp png_ptr)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	147 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	148 png_debug(1, "in png_set_swap_alpha\n");
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	149 if(png_ptr == NULL) return;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	150 png_ptr->transformations \|= PNG_SWAP_ALPHA;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	151 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	152 #endif
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	153
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	154 #if defined(PNG_READ_INVERT_ALPHA_SUPPORTED) \|\| \
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	155 defined(PNG_WRITE_INVERT_ALPHA_SUPPORTED)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	156 void PNGAPI
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	157 png_set_invert_alpha(png_structp png_ptr)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	158 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	159 png_debug(1, "in png_set_invert_alpha\n");
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	160 if(png_ptr == NULL) return;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	161 png_ptr->transformations \|= PNG_INVERT_ALPHA;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	162 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	163 #endif
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	164
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	165 #if defined(PNG_READ_INVERT_SUPPORTED) \|\| defined(PNG_WRITE_INVERT_SUPPORTED)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	166 void PNGAPI
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	167 png_set_invert_mono(png_structp png_ptr)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	168 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	169 png_debug(1, "in png_set_invert_mono\n");
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	170 if(png_ptr == NULL) return;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	171 png_ptr->transformations \|= PNG_INVERT_MONO;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	172 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	173
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	174 /* invert monochrome grayscale data */
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	175 void /* PRIVATE */
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	176 png_do_invert(png_row_infop row_info, png_bytep row)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	177 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	178 png_debug(1, "in png_do_invert\n");
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	179 /* This test removed from libpng version 1.0.13 and 1.2.0:
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	180 * if (row_info->bit_depth == 1 &&
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	181 */
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	182 #if defined(PNG_USELESS_TESTS_SUPPORTED)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	183 if (row == NULL \|\| row_info == NULL)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	184 return;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	185 #endif
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	186 if (row_info->color_type == PNG_COLOR_TYPE_GRAY)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	187 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	188 png_bytep rp = row;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	189 png_uint_32 i;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	190 png_uint_32 istop = row_info->rowbytes;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	191
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	192 for (i = 0; i < istop; i++)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	193 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	194 rp = (png_byte)(~(rp));
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	195 rp++;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	196 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	197 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	198 else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA &&
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	199 row_info->bit_depth == 8)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	200 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	201 png_bytep rp = row;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	202 png_uint_32 i;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	203 png_uint_32 istop = row_info->rowbytes;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	204
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	205 for (i = 0; i < istop; i+=2)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	206 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	207 rp = (png_byte)(~(rp));
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	208 rp+=2;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	209 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	210 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	211 else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA &&
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	212 row_info->bit_depth == 16)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	213 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	214 png_bytep rp = row;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	215 png_uint_32 i;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	216 png_uint_32 istop = row_info->rowbytes;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	217
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	218 for (i = 0; i < istop; i+=4)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	219 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	220 rp = (png_byte)(~(rp));
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	221 (rp+1) = (png_byte)(~((rp+1)));
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	222 rp+=4;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	223 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	224 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	225 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	226 #endif
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	227
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	228 #if defined(PNG_READ_SWAP_SUPPORTED) \|\| defined(PNG_WRITE_SWAP_SUPPORTED)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	229 /* swaps byte order on 16 bit depth images */
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	230 void /* PRIVATE */
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	231 png_do_swap(png_row_infop row_info, png_bytep row)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	232 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	233 png_debug(1, "in png_do_swap\n");
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	234 if (
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	235 #if defined(PNG_USELESS_TESTS_SUPPORTED)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	236 row != NULL && row_info != NULL &&
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	237 #endif
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	238 row_info->bit_depth == 16)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	239 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	240 png_bytep rp = row;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	241 png_uint_32 i;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	242 png_uint_32 istop= row_info->width * row_info->channels;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	243
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	244 for (i = 0; i < istop; i++, rp += 2)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	245 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	246 png_byte t = *rp;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	247 rp = (rp + 1);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	248 *(rp + 1) = t;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	249 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	250 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	251 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	252 #endif
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	253
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	254 #if defined(PNG_READ_PACKSWAP_SUPPORTED)\|\|defined(PNG_WRITE_PACKSWAP_SUPPORTED)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	255 static PNG_CONST png_byte onebppswaptable[256] = {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	256 0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	257 0x10, 0x90, 0x50, 0xD0, 0x30, 0xB0, 0x70, 0xF0,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	258 0x08, 0x88, 0x48, 0xC8, 0x28, 0xA8, 0x68, 0xE8,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	259 0x18, 0x98, 0x58, 0xD8, 0x38, 0xB8, 0x78, 0xF8,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	260 0x04, 0x84, 0x44, 0xC4, 0x24, 0xA4, 0x64, 0xE4,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	261 0x14, 0x94, 0x54, 0xD4, 0x34, 0xB4, 0x74, 0xF4,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	262 0x0C, 0x8C, 0x4C, 0xCC, 0x2C, 0xAC, 0x6C, 0xEC,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	263 0x1C, 0x9C, 0x5C, 0xDC, 0x3C, 0xBC, 0x7C, 0xFC,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	264 0x02, 0x82, 0x42, 0xC2, 0x22, 0xA2, 0x62, 0xE2,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	265 0x12, 0x92, 0x52, 0xD2, 0x32, 0xB2, 0x72, 0xF2,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	266 0x0A, 0x8A, 0x4A, 0xCA, 0x2A, 0xAA, 0x6A, 0xEA,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	267 0x1A, 0x9A, 0x5A, 0xDA, 0x3A, 0xBA, 0x7A, 0xFA,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	268 0x06, 0x86, 0x46, 0xC6, 0x26, 0xA6, 0x66, 0xE6,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	269 0x16, 0x96, 0x56, 0xD6, 0x36, 0xB6, 0x76, 0xF6,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	270 0x0E, 0x8E, 0x4E, 0xCE, 0x2E, 0xAE, 0x6E, 0xEE,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	271 0x1E, 0x9E, 0x5E, 0xDE, 0x3E, 0xBE, 0x7E, 0xFE,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	272 0x01, 0x81, 0x41, 0xC1, 0x21, 0xA1, 0x61, 0xE1,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	273 0x11, 0x91, 0x51, 0xD1, 0x31, 0xB1, 0x71, 0xF1,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	274 0x09, 0x89, 0x49, 0xC9, 0x29, 0xA9, 0x69, 0xE9,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	275 0x19, 0x99, 0x59, 0xD9, 0x39, 0xB9, 0x79, 0xF9,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	276 0x05, 0x85, 0x45, 0xC5, 0x25, 0xA5, 0x65, 0xE5,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	277 0x15, 0x95, 0x55, 0xD5, 0x35, 0xB5, 0x75, 0xF5,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	278 0x0D, 0x8D, 0x4D, 0xCD, 0x2D, 0xAD, 0x6D, 0xED,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	279 0x1D, 0x9D, 0x5D, 0xDD, 0x3D, 0xBD, 0x7D, 0xFD,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	280 0x03, 0x83, 0x43, 0xC3, 0x23, 0xA3, 0x63, 0xE3,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	281 0x13, 0x93, 0x53, 0xD3, 0x33, 0xB3, 0x73, 0xF3,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	282 0x0B, 0x8B, 0x4B, 0xCB, 0x2B, 0xAB, 0x6B, 0xEB,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	283 0x1B, 0x9B, 0x5B, 0xDB, 0x3B, 0xBB, 0x7B, 0xFB,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	284 0x07, 0x87, 0x47, 0xC7, 0x27, 0xA7, 0x67, 0xE7,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	285 0x17, 0x97, 0x57, 0xD7, 0x37, 0xB7, 0x77, 0xF7,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	286 0x0F, 0x8F, 0x4F, 0xCF, 0x2F, 0xAF, 0x6F, 0xEF,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	287 0x1F, 0x9F, 0x5F, 0xDF, 0x3F, 0xBF, 0x7F, 0xFF
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	288 };
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	289
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	290 static PNG_CONST png_byte twobppswaptable[256] = {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	291 0x00, 0x40, 0x80, 0xC0, 0x10, 0x50, 0x90, 0xD0,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	292 0x20, 0x60, 0xA0, 0xE0, 0x30, 0x70, 0xB0, 0xF0,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	293 0x04, 0x44, 0x84, 0xC4, 0x14, 0x54, 0x94, 0xD4,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	294 0x24, 0x64, 0xA4, 0xE4, 0x34, 0x74, 0xB4, 0xF4,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	295 0x08, 0x48, 0x88, 0xC8, 0x18, 0x58, 0x98, 0xD8,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	296 0x28, 0x68, 0xA8, 0xE8, 0x38, 0x78, 0xB8, 0xF8,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	297 0x0C, 0x4C, 0x8C, 0xCC, 0x1C, 0x5C, 0x9C, 0xDC,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	298 0x2C, 0x6C, 0xAC, 0xEC, 0x3C, 0x7C, 0xBC, 0xFC,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	299 0x01, 0x41, 0x81, 0xC1, 0x11, 0x51, 0x91, 0xD1,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	300 0x21, 0x61, 0xA1, 0xE1, 0x31, 0x71, 0xB1, 0xF1,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	301 0x05, 0x45, 0x85, 0xC5, 0x15, 0x55, 0x95, 0xD5,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	302 0x25, 0x65, 0xA5, 0xE5, 0x35, 0x75, 0xB5, 0xF5,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	303 0x09, 0x49, 0x89, 0xC9, 0x19, 0x59, 0x99, 0xD9,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	304 0x29, 0x69, 0xA9, 0xE9, 0x39, 0x79, 0xB9, 0xF9,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	305 0x0D, 0x4D, 0x8D, 0xCD, 0x1D, 0x5D, 0x9D, 0xDD,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	306 0x2D, 0x6D, 0xAD, 0xED, 0x3D, 0x7D, 0xBD, 0xFD,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	307 0x02, 0x42, 0x82, 0xC2, 0x12, 0x52, 0x92, 0xD2,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	308 0x22, 0x62, 0xA2, 0xE2, 0x32, 0x72, 0xB2, 0xF2,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	309 0x06, 0x46, 0x86, 0xC6, 0x16, 0x56, 0x96, 0xD6,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	310 0x26, 0x66, 0xA6, 0xE6, 0x36, 0x76, 0xB6, 0xF6,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	311 0x0A, 0x4A, 0x8A, 0xCA, 0x1A, 0x5A, 0x9A, 0xDA,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	312 0x2A, 0x6A, 0xAA, 0xEA, 0x3A, 0x7A, 0xBA, 0xFA,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	313 0x0E, 0x4E, 0x8E, 0xCE, 0x1E, 0x5E, 0x9E, 0xDE,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	314 0x2E, 0x6E, 0xAE, 0xEE, 0x3E, 0x7E, 0xBE, 0xFE,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	315 0x03, 0x43, 0x83, 0xC3, 0x13, 0x53, 0x93, 0xD3,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	316 0x23, 0x63, 0xA3, 0xE3, 0x33, 0x73, 0xB3, 0xF3,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	317 0x07, 0x47, 0x87, 0xC7, 0x17, 0x57, 0x97, 0xD7,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	318 0x27, 0x67, 0xA7, 0xE7, 0x37, 0x77, 0xB7, 0xF7,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	319 0x0B, 0x4B, 0x8B, 0xCB, 0x1B, 0x5B, 0x9B, 0xDB,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	320 0x2B, 0x6B, 0xAB, 0xEB, 0x3B, 0x7B, 0xBB, 0xFB,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	321 0x0F, 0x4F, 0x8F, 0xCF, 0x1F, 0x5F, 0x9F, 0xDF,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	322 0x2F, 0x6F, 0xAF, 0xEF, 0x3F, 0x7F, 0xBF, 0xFF
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	323 };
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	324
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	325 static PNG_CONST png_byte fourbppswaptable[256] = {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	326 0x00, 0x10, 0x20, 0x30, 0x40, 0x50, 0x60, 0x70,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	327 0x80, 0x90, 0xA0, 0xB0, 0xC0, 0xD0, 0xE0, 0xF0,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	328 0x01, 0x11, 0x21, 0x31, 0x41, 0x51, 0x61, 0x71,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	329 0x81, 0x91, 0xA1, 0xB1, 0xC1, 0xD1, 0xE1, 0xF1,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	330 0x02, 0x12, 0x22, 0x32, 0x42, 0x52, 0x62, 0x72,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	331 0x82, 0x92, 0xA2, 0xB2, 0xC2, 0xD2, 0xE2, 0xF2,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	332 0x03, 0x13, 0x23, 0x33, 0x43, 0x53, 0x63, 0x73,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	333 0x83, 0x93, 0xA3, 0xB3, 0xC3, 0xD3, 0xE3, 0xF3,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	334 0x04, 0x14, 0x24, 0x34, 0x44, 0x54, 0x64, 0x74,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	335 0x84, 0x94, 0xA4, 0xB4, 0xC4, 0xD4, 0xE4, 0xF4,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	336 0x05, 0x15, 0x25, 0x35, 0x45, 0x55, 0x65, 0x75,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	337 0x85, 0x95, 0xA5, 0xB5, 0xC5, 0xD5, 0xE5, 0xF5,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	338 0x06, 0x16, 0x26, 0x36, 0x46, 0x56, 0x66, 0x76,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	339 0x86, 0x96, 0xA6, 0xB6, 0xC6, 0xD6, 0xE6, 0xF6,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	340 0x07, 0x17, 0x27, 0x37, 0x47, 0x57, 0x67, 0x77,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	341 0x87, 0x97, 0xA7, 0xB7, 0xC7, 0xD7, 0xE7, 0xF7,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	342 0x08, 0x18, 0x28, 0x38, 0x48, 0x58, 0x68, 0x78,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	343 0x88, 0x98, 0xA8, 0xB8, 0xC8, 0xD8, 0xE8, 0xF8,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	344 0x09, 0x19, 0x29, 0x39, 0x49, 0x59, 0x69, 0x79,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	345 0x89, 0x99, 0xA9, 0xB9, 0xC9, 0xD9, 0xE9, 0xF9,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	346 0x0A, 0x1A, 0x2A, 0x3A, 0x4A, 0x5A, 0x6A, 0x7A,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	347 0x8A, 0x9A, 0xAA, 0xBA, 0xCA, 0xDA, 0xEA, 0xFA,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	348 0x0B, 0x1B, 0x2B, 0x3B, 0x4B, 0x5B, 0x6B, 0x7B,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	349 0x8B, 0x9B, 0xAB, 0xBB, 0xCB, 0xDB, 0xEB, 0xFB,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	350 0x0C, 0x1C, 0x2C, 0x3C, 0x4C, 0x5C, 0x6C, 0x7C,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	351 0x8C, 0x9C, 0xAC, 0xBC, 0xCC, 0xDC, 0xEC, 0xFC,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	352 0x0D, 0x1D, 0x2D, 0x3D, 0x4D, 0x5D, 0x6D, 0x7D,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	353 0x8D, 0x9D, 0xAD, 0xBD, 0xCD, 0xDD, 0xED, 0xFD,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	354 0x0E, 0x1E, 0x2E, 0x3E, 0x4E, 0x5E, 0x6E, 0x7E,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	355 0x8E, 0x9E, 0xAE, 0xBE, 0xCE, 0xDE, 0xEE, 0xFE,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	356 0x0F, 0x1F, 0x2F, 0x3F, 0x4F, 0x5F, 0x6F, 0x7F,
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	357 0x8F, 0x9F, 0xAF, 0xBF, 0xCF, 0xDF, 0xEF, 0xFF
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	358 };
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	359
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	360 /* swaps pixel packing order within bytes */
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	361 void /* PRIVATE */
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	362 png_do_packswap(png_row_infop row_info, png_bytep row)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	363 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	364 png_debug(1, "in png_do_packswap\n");
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	365 if (
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	366 #if defined(PNG_USELESS_TESTS_SUPPORTED)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	367 row != NULL && row_info != NULL &&
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	368 #endif
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	369 row_info->bit_depth < 8)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	370 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	371 png_bytep rp, end, table;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	372
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	373 end = row + row_info->rowbytes;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	374
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	375 if (row_info->bit_depth == 1)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	376 table = (png_bytep)onebppswaptable;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	377 else if (row_info->bit_depth == 2)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	378 table = (png_bytep)twobppswaptable;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	379 else if (row_info->bit_depth == 4)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	380 table = (png_bytep)fourbppswaptable;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	381 else
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	382 return;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	383
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	384 for (rp = row; rp < end; rp++)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	385 rp = table[rp];
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	386 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	387 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	388 #endif /* PNG_READ_PACKSWAP_SUPPORTED or PNG_WRITE_PACKSWAP_SUPPORTED */
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	389
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	390 #if defined(PNG_WRITE_FILLER_SUPPORTED) \|\| \
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	391 defined(PNG_READ_STRIP_ALPHA_SUPPORTED)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	392 /* remove filler or alpha byte(s) */
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	393 void /* PRIVATE */
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	394 png_do_strip_filler(png_row_infop row_info, png_bytep row, png_uint_32 flags)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	395 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	396 png_debug(1, "in png_do_strip_filler\n");
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	397 #if defined(PNG_USELESS_TESTS_SUPPORTED)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	398 if (row != NULL && row_info != NULL)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	399 #endif
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	400 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	401 png_bytep sp=row;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	402 png_bytep dp=row;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	403 png_uint_32 row_width=row_info->width;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	404 png_uint_32 i;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	405
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	406 if ((row_info->color_type == PNG_COLOR_TYPE_RGB \|\|
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	407 (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA &&
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	408 (flags & PNG_FLAG_STRIP_ALPHA))) &&
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	409 row_info->channels == 4)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	410 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	411 if (row_info->bit_depth == 8)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	412 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	413 /* This converts from RGBX or RGBA to RGB */
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	414 if (flags & PNG_FLAG_FILLER_AFTER)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	415 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	416 dp+=3; sp+=4;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	417 for (i = 1; i < row_width; i++)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	418 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	419 dp++ = sp++;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	420 dp++ = sp++;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	421 dp++ = sp++;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	422 sp++;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	423 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	424 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	425 /* This converts from XRGB or ARGB to RGB */
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	426 else
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	427 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	428 for (i = 0; i < row_width; i++)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	429 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	430 sp++;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	431 dp++ = sp++;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	432 dp++ = sp++;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	433 dp++ = sp++;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	434 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	435 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	436 row_info->pixel_depth = 24;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	437 row_info->rowbytes = row_width * 3;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	438 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	439 else /* if (row_info->bit_depth == 16) */
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	440 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	441 if (flags & PNG_FLAG_FILLER_AFTER)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	442 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	443 /* This converts from RRGGBBXX or RRGGBBAA to RRGGBB */
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	444 sp += 8; dp += 6;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	445 for (i = 1; i < row_width; i++)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	446 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	447 /* This could be (although png_memcpy is probably slower):
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	448 png_memcpy(dp, sp, 6);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	449 sp += 8;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	450 dp += 6;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	451 */
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	452
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	453 dp++ = sp++;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	454 dp++ = sp++;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	455 dp++ = sp++;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	456 dp++ = sp++;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	457 dp++ = sp++;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	458 dp++ = sp++;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	459 sp += 2;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	460 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	461 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	462 else
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	463 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	464 /* This converts from XXRRGGBB or AARRGGBB to RRGGBB */
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	465 for (i = 0; i < row_width; i++)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	466 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	467 /* This could be (although png_memcpy is probably slower):
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	468 png_memcpy(dp, sp, 6);
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	469 sp += 8;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	470 dp += 6;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	471 */
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	472
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	473 sp+=2;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	474 dp++ = sp++;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	475 dp++ = sp++;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	476 dp++ = sp++;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	477 dp++ = sp++;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	478 dp++ = sp++;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	479 dp++ = sp++;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	480 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	481 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	482 row_info->pixel_depth = 48;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	483 row_info->rowbytes = row_width * 6;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	484 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	485 row_info->channels = 3;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	486 }
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	487 else if ((row_info->color_type == PNG_COLOR_TYPE_GRAY \|\|
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	488 (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA &&
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	489 (flags & PNG_FLAG_STRIP_ALPHA))) &&
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	490 row_info->channels == 2)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	491 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	492 if (row_info->bit_depth == 8)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	493 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	494 /* This converts from GX or GA to G */
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	495 if (flags & PNG_FLAG_FILLER_AFTER)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	496 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	497 for (i = 0; i < row_width; i++)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	498 {
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	499 dp++ = sp++;
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-) mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222 parents: diff changeset	500 sp++;

0

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

1

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

2 /* pngtrans.c - transforms the data in a row (used by both readers and writers)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

3 *

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

4 * Last changed in libpng 1.2.17 May 15, 2007

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

5 * For conditions of distribution and use, see copyright notice in png.h

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

9 */

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

10

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

11 #define PNG_INTERNAL

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

12 #include "png.h"

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

13

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

14 #if defined(PNG_READ_SUPPORTED) || defined(PNG_WRITE_SUPPORTED)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

15 #if defined(PNG_READ_BGR_SUPPORTED) || defined(PNG_WRITE_BGR_SUPPORTED)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

16 /* turn on BGR-to-RGB mapping */

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

17 void PNGAPI

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

18 png_set_bgr(png_structp png_ptr)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

19 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

20 png_debug(1, "in png_set_bgr\n");

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

21 if(png_ptr == NULL) return;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

22 png_ptr->transformations |= PNG_BGR;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

23 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

24 #endif

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

25

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

26 #if defined(PNG_READ_SWAP_SUPPORTED) || defined(PNG_WRITE_SWAP_SUPPORTED)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

27 /* turn on 16 bit byte swapping */

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

28 void PNGAPI

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

29 png_set_swap(png_structp png_ptr)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

30 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

31 png_debug(1, "in png_set_swap\n");

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

32 if(png_ptr == NULL) return;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

33 if (png_ptr->bit_depth == 16)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

34 png_ptr->transformations |= PNG_SWAP_BYTES;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

35 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

36 #endif

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

37

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

38 #if defined(PNG_READ_PACK_SUPPORTED) || defined(PNG_WRITE_PACK_SUPPORTED)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

39 /* turn on pixel packing */

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

40 void PNGAPI

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

41 png_set_packing(png_structp png_ptr)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

42 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

43 png_debug(1, "in png_set_packing\n");

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

44 if(png_ptr == NULL) return;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

45 if (png_ptr->bit_depth < 8)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

46 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

47 png_ptr->transformations |= PNG_PACK;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

48 png_ptr->usr_bit_depth = 8;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

49 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

50 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

51 #endif

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

52

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

53 #if defined(PNG_READ_PACKSWAP_SUPPORTED)||defined(PNG_WRITE_PACKSWAP_SUPPORTED)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

54 /* turn on packed pixel swapping */

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

55 void PNGAPI

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

56 png_set_packswap(png_structp png_ptr)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

57 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

58 png_debug(1, "in png_set_packswap\n");

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

59 if(png_ptr == NULL) return;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

60 if (png_ptr->bit_depth < 8)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

61 png_ptr->transformations |= PNG_PACKSWAP;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

62 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

63 #endif

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

64

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

65 #if defined(PNG_READ_SHIFT_SUPPORTED) || defined(PNG_WRITE_SHIFT_SUPPORTED)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

66 void PNGAPI

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

67 png_set_shift(png_structp png_ptr, png_color_8p true_bits)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

68 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

69 png_debug(1, "in png_set_shift\n");

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

70 if(png_ptr == NULL) return;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

71 png_ptr->transformations |= PNG_SHIFT;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

72 png_ptr->shift = *true_bits;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

73 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

74 #endif

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

75

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

76 #if defined(PNG_READ_INTERLACING_SUPPORTED) || \

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

77 defined(PNG_WRITE_INTERLACING_SUPPORTED)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

78 int PNGAPI

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

79 png_set_interlace_handling(png_structp png_ptr)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

80 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

81 png_debug(1, "in png_set_interlace handling\n");

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

82 if (png_ptr && png_ptr->interlaced)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

83 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

84 png_ptr->transformations |= PNG_INTERLACE;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

85 return (7);

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

86 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

87

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

88 return (1);

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

89 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

90 #endif

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

91

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

92 #if defined(PNG_READ_FILLER_SUPPORTED) || defined(PNG_WRITE_FILLER_SUPPORTED)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

93 /* Add a filler byte on read, or remove a filler or alpha byte on write.

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

94 * The filler type has changed in v0.95 to allow future 2-byte fillers

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

95 * for 48-bit input data, as well as to avoid problems with some compilers

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

96 * that don't like bytes as parameters.

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

97 */

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

98 void PNGAPI

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

99 png_set_filler(png_structp png_ptr, png_uint_32 filler, int filler_loc)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

100 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

101 png_debug(1, "in png_set_filler\n");

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

102 if(png_ptr == NULL) return;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

103 png_ptr->transformations |= PNG_FILLER;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

104 png_ptr->filler = (png_byte)filler;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

105 if (filler_loc == PNG_FILLER_AFTER)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

106 png_ptr->flags |= PNG_FLAG_FILLER_AFTER;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

107 else

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

108 png_ptr->flags &= ~PNG_FLAG_FILLER_AFTER;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

109

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

110 /* This should probably go in the "do_read_filler" routine.

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

111 * I attempted to do that in libpng-1.0.1a but that caused problems

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

112 * so I restored it in libpng-1.0.2a

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

113 */

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

114

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

115 if (png_ptr->color_type == PNG_COLOR_TYPE_RGB)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

116 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

117 png_ptr->usr_channels = 4;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

118 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

119

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

120 /* Also I added this in libpng-1.0.2a (what happens when we expand

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

121 * a less-than-8-bit grayscale to GA? */

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

122

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

123 if (png_ptr->color_type == PNG_COLOR_TYPE_GRAY && png_ptr->bit_depth >= 8)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

124 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

125 png_ptr->usr_channels = 2;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

126 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

127 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

128

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

129 #if !defined(PNG_1_0_X)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

130 /* Added to libpng-1.2.7 */

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

131 void PNGAPI

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

132 png_set_add_alpha(png_structp png_ptr, png_uint_32 filler, int filler_loc)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

133 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

134 png_debug(1, "in png_set_add_alpha\n");

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

135 if(png_ptr == NULL) return;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

136 png_set_filler(png_ptr, filler, filler_loc);

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

137 png_ptr->transformations |= PNG_ADD_ALPHA;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

138 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

139 #endif

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

140

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

141 #endif

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

142

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

143 #if defined(PNG_READ_SWAP_ALPHA_SUPPORTED) || \

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

144 defined(PNG_WRITE_SWAP_ALPHA_SUPPORTED)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

145 void PNGAPI

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

146 png_set_swap_alpha(png_structp png_ptr)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

147 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

148 png_debug(1, "in png_set_swap_alpha\n");

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

149 if(png_ptr == NULL) return;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

150 png_ptr->transformations |= PNG_SWAP_ALPHA;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

151 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

152 #endif

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

153

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

154 #if defined(PNG_READ_INVERT_ALPHA_SUPPORTED) || \

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

155 defined(PNG_WRITE_INVERT_ALPHA_SUPPORTED)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

156 void PNGAPI

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

157 png_set_invert_alpha(png_structp png_ptr)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

158 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

159 png_debug(1, "in png_set_invert_alpha\n");

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

160 if(png_ptr == NULL) return;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

161 png_ptr->transformations |= PNG_INVERT_ALPHA;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

162 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

163 #endif

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

164

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

165 #if defined(PNG_READ_INVERT_SUPPORTED) || defined(PNG_WRITE_INVERT_SUPPORTED)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

166 void PNGAPI

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

167 png_set_invert_mono(png_structp png_ptr)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

168 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

169 png_debug(1, "in png_set_invert_mono\n");

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

170 if(png_ptr == NULL) return;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

171 png_ptr->transformations |= PNG_INVERT_MONO;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

172 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

173

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

174 /* invert monochrome grayscale data */

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

175 void /* PRIVATE */

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

176 png_do_invert(png_row_infop row_info, png_bytep row)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

177 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

178 png_debug(1, "in png_do_invert\n");

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

179 /* This test removed from libpng version 1.0.13 and 1.2.0:

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

180 * if (row_info->bit_depth == 1 &&

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

181 */

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

182 #if defined(PNG_USELESS_TESTS_SUPPORTED)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

183 if (row == NULL || row_info == NULL)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

184 return;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

185 #endif

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

186 if (row_info->color_type == PNG_COLOR_TYPE_GRAY)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

187 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

188 png_bytep rp = row;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

189 png_uint_32 i;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

190 png_uint_32 istop = row_info->rowbytes;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

191

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

192 for (i = 0; i < istop; i++)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

193 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

194 *rp = (png_byte)(~(*rp));

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

195 rp++;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

196 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

197 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

198 else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA &&

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

199 row_info->bit_depth == 8)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

200 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

201 png_bytep rp = row;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

202 png_uint_32 i;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

203 png_uint_32 istop = row_info->rowbytes;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

204

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

205 for (i = 0; i < istop; i+=2)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

206 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

207 *rp = (png_byte)(~(*rp));

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

208 rp+=2;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

209 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

210 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

211 else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA &&

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

212 row_info->bit_depth == 16)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

213 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

214 png_bytep rp = row;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

215 png_uint_32 i;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

216 png_uint_32 istop = row_info->rowbytes;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

217

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

218 for (i = 0; i < istop; i+=4)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

219 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

220 *rp = (png_byte)(~(*rp));

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

221 *(rp+1) = (png_byte)(~(*(rp+1)));

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

222 rp+=4;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

223 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

224 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

225 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

226 #endif

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

227

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

228 #if defined(PNG_READ_SWAP_SUPPORTED) || defined(PNG_WRITE_SWAP_SUPPORTED)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

229 /* swaps byte order on 16 bit depth images */

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

230 void /* PRIVATE */

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

231 png_do_swap(png_row_infop row_info, png_bytep row)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

232 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

233 png_debug(1, "in png_do_swap\n");

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

234 if (

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

235 #if defined(PNG_USELESS_TESTS_SUPPORTED)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

236 row != NULL && row_info != NULL &&

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

237 #endif

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

238 row_info->bit_depth == 16)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

239 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

240 png_bytep rp = row;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

241 png_uint_32 i;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

242 png_uint_32 istop= row_info->width * row_info->channels;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

243

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

244 for (i = 0; i < istop; i++, rp += 2)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

245 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

246 png_byte t = *rp;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

247 *rp = *(rp + 1);

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

248 *(rp + 1) = t;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

249 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

250 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

251 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

252 #endif

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

253

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

254 #if defined(PNG_READ_PACKSWAP_SUPPORTED)||defined(PNG_WRITE_PACKSWAP_SUPPORTED)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

255 static PNG_CONST png_byte onebppswaptable[256] = {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

256 0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

257 0x10, 0x90, 0x50, 0xD0, 0x30, 0xB0, 0x70, 0xF0,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

258 0x08, 0x88, 0x48, 0xC8, 0x28, 0xA8, 0x68, 0xE8,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

259 0x18, 0x98, 0x58, 0xD8, 0x38, 0xB8, 0x78, 0xF8,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

260 0x04, 0x84, 0x44, 0xC4, 0x24, 0xA4, 0x64, 0xE4,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

261 0x14, 0x94, 0x54, 0xD4, 0x34, 0xB4, 0x74, 0xF4,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

262 0x0C, 0x8C, 0x4C, 0xCC, 0x2C, 0xAC, 0x6C, 0xEC,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

263 0x1C, 0x9C, 0x5C, 0xDC, 0x3C, 0xBC, 0x7C, 0xFC,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

264 0x02, 0x82, 0x42, 0xC2, 0x22, 0xA2, 0x62, 0xE2,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

265 0x12, 0x92, 0x52, 0xD2, 0x32, 0xB2, 0x72, 0xF2,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

266 0x0A, 0x8A, 0x4A, 0xCA, 0x2A, 0xAA, 0x6A, 0xEA,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

267 0x1A, 0x9A, 0x5A, 0xDA, 0x3A, 0xBA, 0x7A, 0xFA,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

268 0x06, 0x86, 0x46, 0xC6, 0x26, 0xA6, 0x66, 0xE6,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

269 0x16, 0x96, 0x56, 0xD6, 0x36, 0xB6, 0x76, 0xF6,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

270 0x0E, 0x8E, 0x4E, 0xCE, 0x2E, 0xAE, 0x6E, 0xEE,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

271 0x1E, 0x9E, 0x5E, 0xDE, 0x3E, 0xBE, 0x7E, 0xFE,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

272 0x01, 0x81, 0x41, 0xC1, 0x21, 0xA1, 0x61, 0xE1,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

273 0x11, 0x91, 0x51, 0xD1, 0x31, 0xB1, 0x71, 0xF1,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

274 0x09, 0x89, 0x49, 0xC9, 0x29, 0xA9, 0x69, 0xE9,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

275 0x19, 0x99, 0x59, 0xD9, 0x39, 0xB9, 0x79, 0xF9,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

276 0x05, 0x85, 0x45, 0xC5, 0x25, 0xA5, 0x65, 0xE5,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

277 0x15, 0x95, 0x55, 0xD5, 0x35, 0xB5, 0x75, 0xF5,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

278 0x0D, 0x8D, 0x4D, 0xCD, 0x2D, 0xAD, 0x6D, 0xED,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

279 0x1D, 0x9D, 0x5D, 0xDD, 0x3D, 0xBD, 0x7D, 0xFD,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

280 0x03, 0x83, 0x43, 0xC3, 0x23, 0xA3, 0x63, 0xE3,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

281 0x13, 0x93, 0x53, 0xD3, 0x33, 0xB3, 0x73, 0xF3,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

282 0x0B, 0x8B, 0x4B, 0xCB, 0x2B, 0xAB, 0x6B, 0xEB,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

283 0x1B, 0x9B, 0x5B, 0xDB, 0x3B, 0xBB, 0x7B, 0xFB,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

284 0x07, 0x87, 0x47, 0xC7, 0x27, 0xA7, 0x67, 0xE7,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

285 0x17, 0x97, 0x57, 0xD7, 0x37, 0xB7, 0x77, 0xF7,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

286 0x0F, 0x8F, 0x4F, 0xCF, 0x2F, 0xAF, 0x6F, 0xEF,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

287 0x1F, 0x9F, 0x5F, 0xDF, 0x3F, 0xBF, 0x7F, 0xFF

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

288 };

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

289

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

290 static PNG_CONST png_byte twobppswaptable[256] = {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

291 0x00, 0x40, 0x80, 0xC0, 0x10, 0x50, 0x90, 0xD0,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

292 0x20, 0x60, 0xA0, 0xE0, 0x30, 0x70, 0xB0, 0xF0,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

293 0x04, 0x44, 0x84, 0xC4, 0x14, 0x54, 0x94, 0xD4,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

294 0x24, 0x64, 0xA4, 0xE4, 0x34, 0x74, 0xB4, 0xF4,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

295 0x08, 0x48, 0x88, 0xC8, 0x18, 0x58, 0x98, 0xD8,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

296 0x28, 0x68, 0xA8, 0xE8, 0x38, 0x78, 0xB8, 0xF8,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

297 0x0C, 0x4C, 0x8C, 0xCC, 0x1C, 0x5C, 0x9C, 0xDC,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

298 0x2C, 0x6C, 0xAC, 0xEC, 0x3C, 0x7C, 0xBC, 0xFC,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

299 0x01, 0x41, 0x81, 0xC1, 0x11, 0x51, 0x91, 0xD1,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

300 0x21, 0x61, 0xA1, 0xE1, 0x31, 0x71, 0xB1, 0xF1,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

301 0x05, 0x45, 0x85, 0xC5, 0x15, 0x55, 0x95, 0xD5,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

302 0x25, 0x65, 0xA5, 0xE5, 0x35, 0x75, 0xB5, 0xF5,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

303 0x09, 0x49, 0x89, 0xC9, 0x19, 0x59, 0x99, 0xD9,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

304 0x29, 0x69, 0xA9, 0xE9, 0x39, 0x79, 0xB9, 0xF9,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

305 0x0D, 0x4D, 0x8D, 0xCD, 0x1D, 0x5D, 0x9D, 0xDD,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

306 0x2D, 0x6D, 0xAD, 0xED, 0x3D, 0x7D, 0xBD, 0xFD,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

307 0x02, 0x42, 0x82, 0xC2, 0x12, 0x52, 0x92, 0xD2,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

308 0x22, 0x62, 0xA2, 0xE2, 0x32, 0x72, 0xB2, 0xF2,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

309 0x06, 0x46, 0x86, 0xC6, 0x16, 0x56, 0x96, 0xD6,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

310 0x26, 0x66, 0xA6, 0xE6, 0x36, 0x76, 0xB6, 0xF6,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

311 0x0A, 0x4A, 0x8A, 0xCA, 0x1A, 0x5A, 0x9A, 0xDA,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

312 0x2A, 0x6A, 0xAA, 0xEA, 0x3A, 0x7A, 0xBA, 0xFA,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

313 0x0E, 0x4E, 0x8E, 0xCE, 0x1E, 0x5E, 0x9E, 0xDE,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

314 0x2E, 0x6E, 0xAE, 0xEE, 0x3E, 0x7E, 0xBE, 0xFE,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

315 0x03, 0x43, 0x83, 0xC3, 0x13, 0x53, 0x93, 0xD3,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

316 0x23, 0x63, 0xA3, 0xE3, 0x33, 0x73, 0xB3, 0xF3,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

317 0x07, 0x47, 0x87, 0xC7, 0x17, 0x57, 0x97, 0xD7,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

318 0x27, 0x67, 0xA7, 0xE7, 0x37, 0x77, 0xB7, 0xF7,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

319 0x0B, 0x4B, 0x8B, 0xCB, 0x1B, 0x5B, 0x9B, 0xDB,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

320 0x2B, 0x6B, 0xAB, 0xEB, 0x3B, 0x7B, 0xBB, 0xFB,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

321 0x0F, 0x4F, 0x8F, 0xCF, 0x1F, 0x5F, 0x9F, 0xDF,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

322 0x2F, 0x6F, 0xAF, 0xEF, 0x3F, 0x7F, 0xBF, 0xFF

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

323 };

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

324

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

325 static PNG_CONST png_byte fourbppswaptable[256] = {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

326 0x00, 0x10, 0x20, 0x30, 0x40, 0x50, 0x60, 0x70,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

327 0x80, 0x90, 0xA0, 0xB0, 0xC0, 0xD0, 0xE0, 0xF0,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

328 0x01, 0x11, 0x21, 0x31, 0x41, 0x51, 0x61, 0x71,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

329 0x81, 0x91, 0xA1, 0xB1, 0xC1, 0xD1, 0xE1, 0xF1,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

330 0x02, 0x12, 0x22, 0x32, 0x42, 0x52, 0x62, 0x72,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

331 0x82, 0x92, 0xA2, 0xB2, 0xC2, 0xD2, 0xE2, 0xF2,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

332 0x03, 0x13, 0x23, 0x33, 0x43, 0x53, 0x63, 0x73,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

333 0x83, 0x93, 0xA3, 0xB3, 0xC3, 0xD3, 0xE3, 0xF3,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

334 0x04, 0x14, 0x24, 0x34, 0x44, 0x54, 0x64, 0x74,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

335 0x84, 0x94, 0xA4, 0xB4, 0xC4, 0xD4, 0xE4, 0xF4,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

336 0x05, 0x15, 0x25, 0x35, 0x45, 0x55, 0x65, 0x75,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

337 0x85, 0x95, 0xA5, 0xB5, 0xC5, 0xD5, 0xE5, 0xF5,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

338 0x06, 0x16, 0x26, 0x36, 0x46, 0x56, 0x66, 0x76,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

339 0x86, 0x96, 0xA6, 0xB6, 0xC6, 0xD6, 0xE6, 0xF6,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

340 0x07, 0x17, 0x27, 0x37, 0x47, 0x57, 0x67, 0x77,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

341 0x87, 0x97, 0xA7, 0xB7, 0xC7, 0xD7, 0xE7, 0xF7,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

342 0x08, 0x18, 0x28, 0x38, 0x48, 0x58, 0x68, 0x78,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

343 0x88, 0x98, 0xA8, 0xB8, 0xC8, 0xD8, 0xE8, 0xF8,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

344 0x09, 0x19, 0x29, 0x39, 0x49, 0x59, 0x69, 0x79,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

345 0x89, 0x99, 0xA9, 0xB9, 0xC9, 0xD9, 0xE9, 0xF9,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

346 0x0A, 0x1A, 0x2A, 0x3A, 0x4A, 0x5A, 0x6A, 0x7A,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

347 0x8A, 0x9A, 0xAA, 0xBA, 0xCA, 0xDA, 0xEA, 0xFA,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

348 0x0B, 0x1B, 0x2B, 0x3B, 0x4B, 0x5B, 0x6B, 0x7B,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

349 0x8B, 0x9B, 0xAB, 0xBB, 0xCB, 0xDB, 0xEB, 0xFB,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

350 0x0C, 0x1C, 0x2C, 0x3C, 0x4C, 0x5C, 0x6C, 0x7C,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

351 0x8C, 0x9C, 0xAC, 0xBC, 0xCC, 0xDC, 0xEC, 0xFC,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

352 0x0D, 0x1D, 0x2D, 0x3D, 0x4D, 0x5D, 0x6D, 0x7D,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

353 0x8D, 0x9D, 0xAD, 0xBD, 0xCD, 0xDD, 0xED, 0xFD,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

354 0x0E, 0x1E, 0x2E, 0x3E, 0x4E, 0x5E, 0x6E, 0x7E,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

355 0x8E, 0x9E, 0xAE, 0xBE, 0xCE, 0xDE, 0xEE, 0xFE,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

356 0x0F, 0x1F, 0x2F, 0x3F, 0x4F, 0x5F, 0x6F, 0x7F,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

357 0x8F, 0x9F, 0xAF, 0xBF, 0xCF, 0xDF, 0xEF, 0xFF

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

358 };

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

359

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

360 /* swaps pixel packing order within bytes */

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

361 void /* PRIVATE */

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

362 png_do_packswap(png_row_infop row_info, png_bytep row)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

363 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

364 png_debug(1, "in png_do_packswap\n");

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

365 if (

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

366 #if defined(PNG_USELESS_TESTS_SUPPORTED)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

367 row != NULL && row_info != NULL &&

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

368 #endif

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

369 row_info->bit_depth < 8)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

370 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

371 png_bytep rp, end, table;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

372

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

373 end = row + row_info->rowbytes;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

374

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

375 if (row_info->bit_depth == 1)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

376 table = (png_bytep)onebppswaptable;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

377 else if (row_info->bit_depth == 2)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

378 table = (png_bytep)twobppswaptable;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

379 else if (row_info->bit_depth == 4)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

380 table = (png_bytep)fourbppswaptable;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

381 else

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

382 return;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

383

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

384 for (rp = row; rp < end; rp++)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

385 *rp = table[*rp];

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

386 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

387 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

388 #endif /* PNG_READ_PACKSWAP_SUPPORTED or PNG_WRITE_PACKSWAP_SUPPORTED */

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

389

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

390 #if defined(PNG_WRITE_FILLER_SUPPORTED) || \

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

391 defined(PNG_READ_STRIP_ALPHA_SUPPORTED)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

392 /* remove filler or alpha byte(s) */

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

393 void /* PRIVATE */

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

394 png_do_strip_filler(png_row_infop row_info, png_bytep row, png_uint_32 flags)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

395 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

396 png_debug(1, "in png_do_strip_filler\n");

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

397 #if defined(PNG_USELESS_TESTS_SUPPORTED)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

398 if (row != NULL && row_info != NULL)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

399 #endif

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

400 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

401 png_bytep sp=row;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

402 png_bytep dp=row;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

403 png_uint_32 row_width=row_info->width;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

404 png_uint_32 i;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

405

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

406 if ((row_info->color_type == PNG_COLOR_TYPE_RGB ||

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

407 (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA &&

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

408 (flags & PNG_FLAG_STRIP_ALPHA))) &&

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

409 row_info->channels == 4)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

410 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

411 if (row_info->bit_depth == 8)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

412 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

413 /* This converts from RGBX or RGBA to RGB */

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

414 if (flags & PNG_FLAG_FILLER_AFTER)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

415 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

416 dp+=3; sp+=4;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

417 for (i = 1; i < row_width; i++)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

418 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

419 *dp++ = *sp++;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

420 *dp++ = *sp++;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

421 *dp++ = *sp++;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

422 sp++;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

423 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

424 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

425 /* This converts from XRGB or ARGB to RGB */

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

426 else

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

427 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

428 for (i = 0; i < row_width; i++)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

429 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

430 sp++;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

431 *dp++ = *sp++;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

432 *dp++ = *sp++;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

433 *dp++ = *sp++;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

434 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

435 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

436 row_info->pixel_depth = 24;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

437 row_info->rowbytes = row_width * 3;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

438 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

439 else /* if (row_info->bit_depth == 16) */

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

440 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

441 if (flags & PNG_FLAG_FILLER_AFTER)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

442 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

443 /* This converts from RRGGBBXX or RRGGBBAA to RRGGBB */

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

444 sp += 8; dp += 6;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

445 for (i = 1; i < row_width; i++)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

446 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

447 /* This could be (although png_memcpy is probably slower):

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

448 png_memcpy(dp, sp, 6);

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

449 sp += 8;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

450 dp += 6;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

451 */

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

452

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

453 *dp++ = *sp++;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

454 *dp++ = *sp++;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

455 *dp++ = *sp++;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

456 *dp++ = *sp++;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

457 *dp++ = *sp++;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

458 *dp++ = *sp++;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

459 sp += 2;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

460 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

461 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

462 else

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

463 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

464 /* This converts from XXRRGGBB or AARRGGBB to RRGGBB */

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

465 for (i = 0; i < row_width; i++)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

466 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

467 /* This could be (although png_memcpy is probably slower):

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

468 png_memcpy(dp, sp, 6);

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

469 sp += 8;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

470 dp += 6;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

471 */

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

472

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

473 sp+=2;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

474 *dp++ = *sp++;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

475 *dp++ = *sp++;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

476 *dp++ = *sp++;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

477 *dp++ = *sp++;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

478 *dp++ = *sp++;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

479 *dp++ = *sp++;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

480 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

481 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

482 row_info->pixel_depth = 48;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

483 row_info->rowbytes = row_width * 6;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

484 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

485 row_info->channels = 3;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

486 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

487 else if ((row_info->color_type == PNG_COLOR_TYPE_GRAY ||

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

488 (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA &&

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

489 (flags & PNG_FLAG_STRIP_ALPHA))) &&

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

490 row_info->channels == 2)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

491 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

492 if (row_info->bit_depth == 8)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

493 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

494 /* This converts from GX or GA to G */

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

495 if (flags & PNG_FLAG_FILLER_AFTER)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

496 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

497 for (i = 0; i < row_width; i++)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

498 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

499 *dp++ = *sp++;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

500 sp++;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

501 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

502 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

503 /* This converts from XG or AG to G */

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

504 else

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

505 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

506 for (i = 0; i < row_width; i++)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

507 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

508 sp++;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

509 *dp++ = *sp++;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

510 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

511 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

512 row_info->pixel_depth = 8;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

513 row_info->rowbytes = row_width;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

514 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

515 else /* if (row_info->bit_depth == 16) */

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

516 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

517 if (flags & PNG_FLAG_FILLER_AFTER)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

518 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

519 /* This converts from GGXX or GGAA to GG */

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

520 sp += 4; dp += 2;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

521 for (i = 1; i < row_width; i++)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

522 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

523 *dp++ = *sp++;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

524 *dp++ = *sp++;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

525 sp += 2;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

526 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

527 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

528 else

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

529 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

530 /* This converts from XXGG or AAGG to GG */

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

531 for (i = 0; i < row_width; i++)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

532 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

533 sp += 2;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

534 *dp++ = *sp++;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

535 *dp++ = *sp++;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

536 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

537 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

538 row_info->pixel_depth = 16;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

539 row_info->rowbytes = row_width * 2;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

540 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

541 row_info->channels = 1;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

542 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

543 if (flags & PNG_FLAG_STRIP_ALPHA)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

544 row_info->color_type &= ~PNG_COLOR_MASK_ALPHA;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

545 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

546 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

547 #endif

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

548

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

549 #if defined(PNG_READ_BGR_SUPPORTED) || defined(PNG_WRITE_BGR_SUPPORTED)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

550 /* swaps red and blue bytes within a pixel */

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

551 void /* PRIVATE */

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

552 png_do_bgr(png_row_infop row_info, png_bytep row)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

553 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

554 png_debug(1, "in png_do_bgr\n");

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

555 if (

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

556 #if defined(PNG_USELESS_TESTS_SUPPORTED)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

557 row != NULL && row_info != NULL &&

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

558 #endif

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

559 (row_info->color_type & PNG_COLOR_MASK_COLOR))

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

560 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

561 png_uint_32 row_width = row_info->width;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

562 if (row_info->bit_depth == 8)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

563 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

564 if (row_info->color_type == PNG_COLOR_TYPE_RGB)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

565 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

566 png_bytep rp;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

567 png_uint_32 i;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

568

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

569 for (i = 0, rp = row; i < row_width; i++, rp += 3)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

570 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

571 png_byte save = *rp;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

572 *rp = *(rp + 2);

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

573 *(rp + 2) = save;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

574 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

575 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

576 else if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

577 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

578 png_bytep rp;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

579 png_uint_32 i;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

580

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

581 for (i = 0, rp = row; i < row_width; i++, rp += 4)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

582 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

583 png_byte save = *rp;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

584 *rp = *(rp + 2);

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

585 *(rp + 2) = save;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

586 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

587 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

588 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

589 else if (row_info->bit_depth == 16)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

590 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

591 if (row_info->color_type == PNG_COLOR_TYPE_RGB)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

592 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

593 png_bytep rp;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

594 png_uint_32 i;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

595

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

596 for (i = 0, rp = row; i < row_width; i++, rp += 6)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

597 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

598 png_byte save = *rp;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

599 *rp = *(rp + 4);

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

600 *(rp + 4) = save;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

601 save = *(rp + 1);

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

602 *(rp + 1) = *(rp + 5);

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

603 *(rp + 5) = save;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

604 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

605 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

606 else if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

607 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

608 png_bytep rp;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

609 png_uint_32 i;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

610

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

611 for (i = 0, rp = row; i < row_width; i++, rp += 8)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

612 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

613 png_byte save = *rp;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

614 *rp = *(rp + 4);

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

615 *(rp + 4) = save;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

616 save = *(rp + 1);

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

617 *(rp + 1) = *(rp + 5);

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

618 *(rp + 5) = save;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

619 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

620 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

621 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

622 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

623 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

624 #endif /* PNG_READ_BGR_SUPPORTED or PNG_WRITE_BGR_SUPPORTED */

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

625

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

626 #if defined(PNG_READ_USER_TRANSFORM_SUPPORTED) || \

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

627 defined(PNG_WRITE_USER_TRANSFORM_SUPPORTED) || \

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

628 defined(PNG_LEGACY_SUPPORTED)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

629 void PNGAPI

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

630 png_set_user_transform_info(png_structp png_ptr, png_voidp

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

631 user_transform_ptr, int user_transform_depth, int user_transform_channels)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

632 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

633 png_debug(1, "in png_set_user_transform_info\n");

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

634 if(png_ptr == NULL) return;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

635 #if defined(PNG_USER_TRANSFORM_PTR_SUPPORTED)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

636 png_ptr->user_transform_ptr = user_transform_ptr;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

637 png_ptr->user_transform_depth = (png_byte)user_transform_depth;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

638 png_ptr->user_transform_channels = (png_byte)user_transform_channels;

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

639 #else

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

640 if(user_transform_ptr || user_transform_depth || user_transform_channels)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

641 png_warning(png_ptr,

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

642 "This version of libpng does not support user transform info");

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

643 #endif

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

644 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

645 #endif

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

646

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

647 /* This function returns a pointer to the user_transform_ptr associated with

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

648 * the user transform functions. The application should free any memory

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

649 * associated with this pointer before png_write_destroy and png_read_destroy

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

650 * are called.

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

651 */

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

652 png_voidp PNGAPI

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

653 png_get_user_transform_ptr(png_structp png_ptr)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

654 {

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

655 #if defined(PNG_USER_TRANSFORM_PTR_SUPPORTED)

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

656 if (png_ptr == NULL) return (NULL);

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

657 return ((png_voidp)png_ptr->user_transform_ptr);

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

658 #else

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

659 return (NULL);

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

660 #endif

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

661 }

4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)

mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222

parents:

diff changeset

662 #endif /* PNG_READ_SUPPORTED || PNG_WRITE_SUPPORTED */

Mercurial > fife-parpg

annotate ext/libpng-1.2.29/pngtrans.c @ 0:4a0efb7baf70