MadButterfly: src/paint.c annotate

annotate src/paint.c @ 395:d30b575a4ad4

Add fontconfig layer

author	Thinker K.F. Li <thinker@branda.to>
date	Wed, 10 Jun 2009 21:45:39 +0800
parents	3e84458968ec
children	16116d84bc5e

rev	line source
18 0f3baa488a62 Support solid color paint for fill. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	1 #include <stdio.h>
0f3baa488a62 Support solid color paint for fill. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	2 #include <stdlib.h>
0f3baa488a62 Support solid color paint for fill. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	3 #include <cairo.h>
186 530bb7728546 Move header files to $(top_srcdir)/include/ and prefixed with 'mb_'. Thinker K.F. Li <thinker@branda.to> parents: 185 diff changeset	4 #include "mb_paint.h"
18 0f3baa488a62 Support solid color paint for fill. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	5
55 01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	6 #define ASSERT(x)
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	7
23 56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	8 /*! \brief Solid color paint.
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	9 */
18 0f3baa488a62 Support solid color paint for fill. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	10 typedef struct _paint_color {
0f3baa488a62 Support solid color paint for fill. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	11 paint_t paint;
21 83d24300a992 opacity (alpha) channel Thinker K.F. Li <thinker@branda.to> parents: 19 diff changeset	12 co_comp_t r, g, b, a;
18 0f3baa488a62 Support solid color paint for fill. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	13 } paint_color_t;
0f3baa488a62 Support solid color paint for fill. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	14
147 995ee8fd5f1a Use local static variable to hold position array to reduce using malloc(). Thinker K.F. Li <thinker@branda.to> parents: 146 diff changeset	15 int _paint_color_size = sizeof(paint_color_t);
146 e96a584487af Use elmpool to manage paint_color_t objects. Thinker K.F. Li <thinker@branda.to> parents: 58 diff changeset	16
18 0f3baa488a62 Support solid color paint for fill. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	17
0f3baa488a62 Support solid color paint for fill. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	18 static void paint_color_prepare(paint_t paint, cairo_t cr) {
0f3baa488a62 Support solid color paint for fill. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	19 paint_color_t color = (paint_color_t )paint;
0f3baa488a62 Support solid color paint for fill. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	20
21 83d24300a992 opacity (alpha) channel Thinker K.F. Li <thinker@branda.to> parents: 19 diff changeset	21 cairo_set_source_rgba(cr, color->r, color->g, color->b, color->a);
18 0f3baa488a62 Support solid color paint for fill. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	22 }
0f3baa488a62 Support solid color paint for fill. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	23
159 b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty. Thinker K.F. Li <thinker@branda.to> parents: 154 diff changeset	24 static void paint_color_free(redraw_man_t rdman, paint_t paint) {
b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty. Thinker K.F. Li <thinker@branda.to> parents: 154 diff changeset	25 shnode_list_free(rdman, paint->members);
260 29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	26 paint_destroy(paint);
159 b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty. Thinker K.F. Li <thinker@branda.to> parents: 154 diff changeset	27 elmpool_elm_free(rdman->paint_color_pool, paint);
18 0f3baa488a62 Support solid color paint for fill. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	28 }
0f3baa488a62 Support solid color paint for fill. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	29
159 b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty. Thinker K.F. Li <thinker@branda.to> parents: 154 diff changeset	30 paint_t rdman_paint_color_new(redraw_man_t rdman,
b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty. Thinker K.F. Li <thinker@branda.to> parents: 154 diff changeset	31 co_comp_t r, co_comp_t g,
b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty. Thinker K.F. Li <thinker@branda.to> parents: 154 diff changeset	32 co_comp_t b, co_comp_t a) {
18 0f3baa488a62 Support solid color paint for fill. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	33 paint_color_t *color;
0f3baa488a62 Support solid color paint for fill. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	34
146 e96a584487af Use elmpool to manage paint_color_t objects. Thinker K.F. Li <thinker@branda.to> parents: 58 diff changeset	35 color = (paint_color_t *)elmpool_elm_alloc(rdman->paint_color_pool);
18 0f3baa488a62 Support solid color paint for fill. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	36 if(color == NULL)
0f3baa488a62 Support solid color paint for fill. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	37 return NULL;
0f3baa488a62 Support solid color paint for fill. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	38 color->r = r;
0f3baa488a62 Support solid color paint for fill. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	39 color->g = g;
0f3baa488a62 Support solid color paint for fill. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	40 color->b = b;
21 83d24300a992 opacity (alpha) channel Thinker K.F. Li <thinker@branda.to> parents: 19 diff changeset	41 color->a = a;
356 3e84458968ec Move mb_img_data_t out from argument list of rdman_shape_image_new(). Thinker K.F. Li <thinker@branda.to> parents: 348 diff changeset	42 paint_init(&color->paint, MBP_COLOR,
3e84458968ec Move mb_img_data_t out from argument list of rdman_shape_image_new(). Thinker K.F. Li <thinker@branda.to> parents: 348 diff changeset	43 paint_color_prepare, paint_color_free);
18 0f3baa488a62 Support solid color paint for fill. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	44 return (paint_t *)color;
0f3baa488a62 Support solid color paint for fill. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	45 }
0f3baa488a62 Support solid color paint for fill. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	46
0f3baa488a62 Support solid color paint for fill. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	47 void paint_color_set(paint_t *paint,
21 83d24300a992 opacity (alpha) channel Thinker K.F. Li <thinker@branda.to> parents: 19 diff changeset	48 co_comp_t r, co_comp_t g,
83d24300a992 opacity (alpha) channel Thinker K.F. Li <thinker@branda.to> parents: 19 diff changeset	49 co_comp_t b, co_comp_t a) {
18 0f3baa488a62 Support solid color paint for fill. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	50 paint_color_t color = (paint_color_t )paint;
0f3baa488a62 Support solid color paint for fill. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	51
0f3baa488a62 Support solid color paint for fill. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	52 color->r = r;
0f3baa488a62 Support solid color paint for fill. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	53 color->g = g;
0f3baa488a62 Support solid color paint for fill. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	54 color->b = b;
21 83d24300a992 opacity (alpha) channel Thinker K.F. Li <thinker@branda.to> parents: 19 diff changeset	55 color->a = a;
18 0f3baa488a62 Support solid color paint for fill. Thinker K.F. Li <thinker@branda.to> parents: diff changeset	56 }
23 56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	57
52 59a295651480 Add action mb_chgcolor_t to change color of paints. Thinker K.F. Li <thinker@branda.to> parents: 23 diff changeset	58 void paint_color_get(paint_t *paint,
59a295651480 Add action mb_chgcolor_t to change color of paints. Thinker K.F. Li <thinker@branda.to> parents: 23 diff changeset	59 co_comp_t r, co_comp_t g,
59a295651480 Add action mb_chgcolor_t to change color of paints. Thinker K.F. Li <thinker@branda.to> parents: 23 diff changeset	60 co_comp_t b, co_comp_t a) {
59a295651480 Add action mb_chgcolor_t to change color of paints. Thinker K.F. Li <thinker@branda.to> parents: 23 diff changeset	61 paint_color_t color = (paint_color_t )paint;
59a295651480 Add action mb_chgcolor_t to change color of paints. Thinker K.F. Li <thinker@branda.to> parents: 23 diff changeset	62
59a295651480 Add action mb_chgcolor_t to change color of paints. Thinker K.F. Li <thinker@branda.to> parents: 23 diff changeset	63 *r = color->r;
59a295651480 Add action mb_chgcolor_t to change color of paints. Thinker K.F. Li <thinker@branda.to> parents: 23 diff changeset	64 *g = color->g;
59a295651480 Add action mb_chgcolor_t to change color of paints. Thinker K.F. Li <thinker@branda.to> parents: 23 diff changeset	65 *b = color->b;
59a295651480 Add action mb_chgcolor_t to change color of paints. Thinker K.F. Li <thinker@branda.to> parents: 23 diff changeset	66 *a = color->a;
59a295651480 Add action mb_chgcolor_t to change color of paints. Thinker K.F. Li <thinker@branda.to> parents: 23 diff changeset	67 }
59a295651480 Add action mb_chgcolor_t to change color of paints. Thinker K.F. Li <thinker@branda.to> parents: 23 diff changeset	68
23 56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	69 /*! \brief Linear gradient.
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	70 */
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	71 typedef struct _paint_linear {
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	72 paint_t paint;
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	73 co_aix x1, y1;
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	74 co_aix x2, y2;
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	75 int n_stops;
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	76 grad_stop_t *stops;
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	77 int flags;
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	78 cairo_pattern_t *ptn;
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	79 } paint_linear_t;
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	80
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	81 #define LIF_DIRTY 0x1
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	82
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	83 static void paint_linear_prepare(paint_t paint, cairo_t cr) {
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	84 paint_linear_t linear = (paint_linear_t )paint;
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	85 cairo_pattern_t *ptn;
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	86 grad_stop_t *stop;
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	87 int i;
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	88
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	89 ptn = linear->ptn;
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	90 if(linear->flags & LIF_DIRTY) {
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	91 if(ptn)
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	92 cairo_pattern_destroy(ptn);
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	93 linear->flags &= ~LIF_DIRTY;
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	94 ptn = cairo_pattern_create_linear(linear->x1, linear->y1,
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	95 linear->x2, linear->y2);
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	96 for(i = 0; i < linear->n_stops; i++) {
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	97 stop = &linear->stops[i];
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	98 cairo_pattern_add_color_stop_rgba(ptn, stop->offset,
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	99 stop->r, stop->g, stop->b,
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	100 stop->a);
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	101 }
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	102 linear->ptn = ptn;
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	103 }
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	104
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	105 cairo_set_source(cr, ptn);
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	106 }
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	107
159 b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty. Thinker K.F. Li <thinker@branda.to> parents: 154 diff changeset	108 static void paint_linear_free(redraw_man_t rdman, paint_t paint) {
23 56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	109 paint_linear_t linear = (paint_linear_t )paint;
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	110
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	111 if(linear->ptn)
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	112 cairo_pattern_destroy(linear->ptn);
260 29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	113 paint_destroy(paint);
23 56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	114 free(paint);
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	115 }
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	116
159 b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty. Thinker K.F. Li <thinker@branda.to> parents: 154 diff changeset	117 paint_t rdman_paint_linear_new(redraw_man_t rdman,
b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty. Thinker K.F. Li <thinker@branda.to> parents: 154 diff changeset	118 co_aix x1, co_aix y1,
b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty. Thinker K.F. Li <thinker@branda.to> parents: 154 diff changeset	119 co_aix x2, co_aix y2) {
23 56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	120 paint_linear_t *linear;
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	121
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	122 linear = (paint_linear_t *)malloc(sizeof(paint_linear_t));
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	123 if(linear == NULL)
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	124 return NULL;
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	125
356 3e84458968ec Move mb_img_data_t out from argument list of rdman_shape_image_new(). Thinker K.F. Li <thinker@branda.to> parents: 348 diff changeset	126 paint_init(&linear->paint, MBP_LINEAR,
3e84458968ec Move mb_img_data_t out from argument list of rdman_shape_image_new(). Thinker K.F. Li <thinker@branda.to> parents: 348 diff changeset	127 paint_linear_prepare, paint_linear_free);
23 56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	128
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	129 linear->x1 = x1;
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	130 linear->y1 = y1;
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	131 linear->x2 = x2;
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	132 linear->y2 = y2;
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	133 linear->n_stops = 0;
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	134 linear->stops = NULL;
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	135 linear->flags = LIF_DIRTY;
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	136 linear->ptn = NULL;
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	137
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	138 return (paint_t *)linear;
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	139 }
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	140
58 1ca417f741f1 - Thinker K.F. Li <thinker@branda.to> parents: 56 diff changeset	141 /*! \brief Setup color stop for a linear radient paint.
1ca417f741f1 - Thinker K.F. Li <thinker@branda.to> parents: 56 diff changeset	142 *
1ca417f741f1 - Thinker K.F. Li <thinker@branda.to> parents: 56 diff changeset	143 * stops should be managed by users of the function. It should be
1ca417f741f1 - Thinker K.F. Li <thinker@branda.to> parents: 56 diff changeset	144 * available before the paint being freed or changed to another
1ca417f741f1 - Thinker K.F. Li <thinker@branda.to> parents: 56 diff changeset	145 * array of stops.
1ca417f741f1 - Thinker K.F. Li <thinker@branda.to> parents: 56 diff changeset	146 */
23 56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	147 grad_stop_t paint_linear_stops(paint_t paint,
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	148 int n_stops,
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	149 grad_stop_t *stops) {
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	150 paint_linear_t linear = (paint_linear_t )paint;
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	151 grad_stop_t *old_stops;
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	152
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	153 old_stops = linear->stops;
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	154 linear->n_stops = n_stops;
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	155 linear->stops = stops;
55 01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	156 linear->flags \|= LIF_DIRTY;
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	157
23 56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	158 return old_stops;
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	159 }
56f592f56ff7 Fix bug and add linear gradient paint. Thinker K.F. Li <thinker@branda.to> parents: 21 diff changeset	160
55 01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	161 /*! \brief Radial gradient.
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	162 *
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	163 * NOTE: The only supported gradient unit is userSpaceOnUse.
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	164 */
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	165 typedef struct _paint_radial {
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	166 paint_t paint;
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	167 co_aix cx, cy;
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	168 co_aix r;
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	169 int n_stops;
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	170 grad_stop_t *stops;
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	171 int flags;
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	172 cairo_pattern_t *ptn;
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	173 } paint_radial_t;
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	174
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	175 #define RDF_DIRTY 0x1
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	176
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	177 static void paint_radial_prepare(paint_t paint, cairo_t cr) {
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	178 paint_radial_t radial = (paint_radial_t )paint;
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	179 cairo_pattern_t *ptn;
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	180 grad_stop_t *stop;
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	181 int i;
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	182
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	183 if(radial->flags & RDF_DIRTY) {
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	184 ptn = cairo_pattern_create_radial(radial->cx, radial->cy, 0,
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	185 radial->cx, radial->cy,
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	186 radial->r);
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	187 ASSERT(ptn != NULL);
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	188 stop = radial->stops;
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	189 for(i = 0; i < radial->n_stops; i++, stop++) {
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	190 cairo_pattern_add_color_stop_rgba(ptn, stop->offset,
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	191 stop->r, stop->g,
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	192 stop->b, stop->a);
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	193 }
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	194 cairo_pattern_destroy(radial->ptn);
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	195 radial->ptn = ptn;
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	196 }
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	197 cairo_set_source(cr, radial->ptn);
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	198 }
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	199
159 b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty. Thinker K.F. Li <thinker@branda.to> parents: 154 diff changeset	200 static void paint_radial_free(redraw_man_t rdman, paint_t paint) {
55 01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	201 paint_radial_t radial = (paint_radial_t )paint;
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	202
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	203 if(radial->ptn)
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	204 cairo_pattern_destroy(radial->ptn);
260 29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	205 paint_destroy(paint);
55 01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	206 free(paint);
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	207 }
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	208
159 b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty. Thinker K.F. Li <thinker@branda.to> parents: 154 diff changeset	209 paint_t rdman_paint_radial_new(redraw_man_t rdman,
b90abd31a281 Postponse free of coords, shapes, and paints when the rdman is dirty. Thinker K.F. Li <thinker@branda.to> parents: 154 diff changeset	210 co_aix cx, co_aix cy, co_aix r) {
55 01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	211 paint_radial_t *radial;
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	212
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	213 radial = O_ALLOC(paint_radial_t);
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	214 if(radial == NULL)
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	215 return NULL;
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	216
356 3e84458968ec Move mb_img_data_t out from argument list of rdman_shape_image_new(). Thinker K.F. Li <thinker@branda.to> parents: 348 diff changeset	217 paint_init(&radial->paint, MBP_RADIAL,
3e84458968ec Move mb_img_data_t out from argument list of rdman_shape_image_new(). Thinker K.F. Li <thinker@branda.to> parents: 348 diff changeset	218 paint_radial_prepare, paint_radial_free);
55 01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	219 radial->cx = cx;
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	220 radial->cy = cy;
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	221 radial->r = r;
56 e444a8c01735 Change interface of paint_radial_new() Thinker K.F. Li <thinker@branda.to> parents: 55 diff changeset	222 radial->n_stops = 0;
e444a8c01735 Change interface of paint_radial_new() Thinker K.F. Li <thinker@branda.to> parents: 55 diff changeset	223 radial->stops = NULL;
55 01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	224 radial->flags = RDF_DIRTY;
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	225 radial->ptn = NULL;
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	226
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	227 return (paint_t *)radial;
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	228 }
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	229
58 1ca417f741f1 - Thinker K.F. Li <thinker@branda.to> parents: 56 diff changeset	230 /*! \brief Setup color stop for a radial radient paint.
1ca417f741f1 - Thinker K.F. Li <thinker@branda.to> parents: 56 diff changeset	231 *
1ca417f741f1 - Thinker K.F. Li <thinker@branda.to> parents: 56 diff changeset	232 * stops should be managed by users of the function. It should be
1ca417f741f1 - Thinker K.F. Li <thinker@branda.to> parents: 56 diff changeset	233 * available before the paint being freed or changed to another
1ca417f741f1 - Thinker K.F. Li <thinker@branda.to> parents: 56 diff changeset	234 * array of stops.
1ca417f741f1 - Thinker K.F. Li <thinker@branda.to> parents: 56 diff changeset	235 */
55 01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	236 grad_stop_t paint_radial_stops(paint_t paint,
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	237 int n_stops,
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	238 grad_stop_t *stops) {
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	239 paint_radial_t radial = (paint_radial_t )paint;
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	240 grad_stop_t *old_stops;
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	241
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	242 old_stops = radial->stops;
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	243 radial->n_stops = n_stops;
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	244 radial->stops = stops;
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	245 radial->flags \|= RDF_DIRTY;
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	246
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	247 return old_stops;
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	248 }
01ed2bc37eed Radial gradient paint Thinker K.F. Li <thinker@branda.to> parents: 52 diff changeset	249
260 29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	250
265 b42ee279669e Change function name and add comments. Thinker K.F. Li <thinker@branda.to> parents: 260 diff changeset	251 /*! \brief Using an image as a paint.
b42ee279669e Change function name and add comments. Thinker K.F. Li <thinker@branda.to> parents: 260 diff changeset	252 *
b42ee279669e Change function name and add comments. Thinker K.F. Li <thinker@branda.to> parents: 260 diff changeset	253 * This type of paints fill/stroke shapes with an image.
b42ee279669e Change function name and add comments. Thinker K.F. Li <thinker@branda.to> parents: 260 diff changeset	254 */
260 29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	255 typedef struct _paint_image {
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	256 paint_t paint;
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	257 mb_img_data_t *img;
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	258 cairo_surface_t *surf;
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	259 cairo_pattern_t *ptn;
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	260 } paint_image_t;
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	261
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	262 static
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	263 void paint_image_prepare(paint_t paint, cairo_t cr) {
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	264 paint_image_t paint_img = (paint_image_t )paint;
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	265 mb_img_data_t *img_data;
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	266
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	267 img_data = paint_img->img;
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	268 cairo_set_source(cr, paint_img->ptn);
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	269 }
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	270
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	271 static
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	272 void paint_image_free(redraw_man_t rdman, paint_t paint) {
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	273 paint_image_t paint_img = (paint_image_t )paint;
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	274 mb_img_data_t *img_data;
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	275
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	276 cairo_surface_destroy(paint_img->surf);
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	277 img_data = paint_img->img;
356 3e84458968ec Move mb_img_data_t out from argument list of rdman_shape_image_new(). Thinker K.F. Li <thinker@branda.to> parents: 348 diff changeset	278 MB_IMG_DATA_FREE(img_data);
260 29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	279 paint_destroy(&paint_img->paint);
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	280 free(paint);
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	281 }
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	282
265 b42ee279669e Change function name and add comments. Thinker K.F. Li <thinker@branda.to> parents: 260 diff changeset	283 /*! \brief Create an image painter.
b42ee279669e Change function name and add comments. Thinker K.F. Li <thinker@branda.to> parents: 260 diff changeset	284 *
b42ee279669e Change function name and add comments. Thinker K.F. Li <thinker@branda.to> parents: 260 diff changeset	285 * Create a painter that fill/stroke shapes with an image.
348 04d22dc38bc0 Change declaration of sh_image_set_img_data(). Thinker K.F. Li <thinker@branda.to> parents: 268 diff changeset	286 *
356 3e84458968ec Move mb_img_data_t out from argument list of rdman_shape_image_new(). Thinker K.F. Li <thinker@branda.to> parents: 348 diff changeset	287 * \param img is image data return by image load.
3e84458968ec Move mb_img_data_t out from argument list of rdman_shape_image_new(). Thinker K.F. Li <thinker@branda.to> parents: 348 diff changeset	288 * Owner-ship of img is transfered.
265 b42ee279669e Change function name and add comments. Thinker K.F. Li <thinker@branda.to> parents: 260 diff changeset	289 */
260 29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	290 paint_t rdman_paint_image_new(redraw_man_t rdman,
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	291 mb_img_data_t *img) {
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	292 paint_image_t *paint;
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	293 int fmt;
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	294
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	295 switch(img->fmt) {
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	296 case MB_IFMT_ARGB32:
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	297 fmt = CAIRO_FORMAT_ARGB32;
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	298 break;
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	299 case MB_IFMT_RGB24:
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	300 fmt = CAIRO_FORMAT_RGB24;
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	301 break;
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	302 case MB_IFMT_A8:
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	303 fmt = CAIRO_FORMAT_A8;
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	304 break;
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	305 case MB_IFMT_A1:
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	306 fmt = CAIRO_FORMAT_A1;
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	307 break;
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	308 default:
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	309 return NULL;
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	310 }
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	311
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	312 paint = O_ALLOC(paint_image_t);
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	313 if(paint == NULL)
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	314 return NULL;
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	315
356 3e84458968ec Move mb_img_data_t out from argument list of rdman_shape_image_new(). Thinker K.F. Li <thinker@branda.to> parents: 348 diff changeset	316 paint_init(&paint->paint, MBP_IMAGE,
3e84458968ec Move mb_img_data_t out from argument list of rdman_shape_image_new(). Thinker K.F. Li <thinker@branda.to> parents: 348 diff changeset	317 paint_image_prepare, paint_image_free);
260 29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	318 paint->img = img;
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	319 paint->surf = cairo_image_surface_create_for_data(img->content,
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	320 fmt,
268 43900cae1d49 Support resizing for image. Thinker K.F. Li <thinker@branda.to> parents: 265 diff changeset	321 img->w,
43900cae1d49 Support resizing for image. Thinker K.F. Li <thinker@branda.to> parents: 265 diff changeset	322 img->h,
260 29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	323 img->stride);
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	324 if(paint->surf == NULL) {
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	325 paint_destroy(&paint->paint);
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	326 free(paint);
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	327 return NULL;
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	328 }
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	329
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	330 paint->ptn = cairo_pattern_create_for_surface(paint->surf);
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	331 if(paint->ptn == NULL) {
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	332 paint_destroy(&paint->paint);
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	333 cairo_surface_destroy(paint->surf);
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	334 free(paint);
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	335 return NULL;
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	336 }
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	337
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	338 return (paint_t *)paint;
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	339 }
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	340
265 b42ee279669e Change function name and add comments. Thinker K.F. Li <thinker@branda.to> parents: 260 diff changeset	341 /*! \brief Setting transformation from user space to image space.
b42ee279669e Change function name and add comments. Thinker K.F. Li <thinker@branda.to> parents: 260 diff changeset	342 *
b42ee279669e Change function name and add comments. Thinker K.F. Li <thinker@branda.to> parents: 260 diff changeset	343 * This transformation matrix maps points drawed in user space to
b42ee279669e Change function name and add comments. Thinker K.F. Li <thinker@branda.to> parents: 260 diff changeset	344 * corresponding points in image space. It is used to resample
b42ee279669e Change function name and add comments. Thinker K.F. Li <thinker@branda.to> parents: 260 diff changeset	345 * the image to generate pixels of result image.
b42ee279669e Change function name and add comments. Thinker K.F. Li <thinker@branda.to> parents: 260 diff changeset	346 */
260 29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	347 void paint_image_set_matrix(paint_t *paint, co_aix matrix[6]) {
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	348 paint_image_t img_paint = (paint_image_t )paint;
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	349 cairo_matrix_t cmatrix;
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	350
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	351 cmatrix.xx = matrix[0];
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	352 cmatrix.xy = matrix[1];
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	353 cmatrix.x0 = matrix[2];
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	354 cmatrix.yx = matrix[3];
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	355 cmatrix.yy = matrix[4];
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	356 cmatrix.y0 = matrix[5];
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	357 cairo_pattern_set_matrix(img_paint->ptn, &cmatrix);
29acbd8a0dd0 Integrate sh_image with svg2code.py. Thinker K.F. Li <thinker@branda.to> parents: 186 diff changeset	358 }
356 3e84458968ec Move mb_img_data_t out from argument list of rdman_shape_image_new(). Thinker K.F. Li <thinker@branda.to> parents: 348 diff changeset	359
3e84458968ec Move mb_img_data_t out from argument list of rdman_shape_image_new(). Thinker K.F. Li <thinker@branda.to> parents: 348 diff changeset	360 void paint_image_get_size(paint_t paint, int w, int *h) {
3e84458968ec Move mb_img_data_t out from argument list of rdman_shape_image_new(). Thinker K.F. Li <thinker@branda.to> parents: 348 diff changeset	361 paint_image_t ipaint = (paint_image_t )paint;
3e84458968ec Move mb_img_data_t out from argument list of rdman_shape_image_new(). Thinker K.F. Li <thinker@branda.to> parents: 348 diff changeset	362
3e84458968ec Move mb_img_data_t out from argument list of rdman_shape_image_new(). Thinker K.F. Li <thinker@branda.to> parents: 348 diff changeset	363 ASSERT(paint->pnt_type == MBP_IMAGE);
3e84458968ec Move mb_img_data_t out from argument list of rdman_shape_image_new(). Thinker K.F. Li <thinker@branda.to> parents: 348 diff changeset	364 *w = ipaint->img->w;
3e84458968ec Move mb_img_data_t out from argument list of rdman_shape_image_new(). Thinker K.F. Li <thinker@branda.to> parents: 348 diff changeset	365 *h = ipaint->img->h;
3e84458968ec Move mb_img_data_t out from argument list of rdman_shape_image_new(). Thinker K.F. Li <thinker@branda.to> parents: 348 diff changeset	366 }

Mercurial > MadButterfly

annotate src/paint.c @ 395:d30b575a4ad4