sdl-ios-xcode: src/video/SDL_blendfillrect.c annotate

annotate src/video/SDL_blendfillrect.c @ 4778:9838d3525a1b

Stubbed out the new get/set parameter functions, added the start of the enum, union, and struct for those parameters themselves, and added doxygen comments throughout the SDL_shape.h header.

author	Eli Gottlieb <eligottlieb@gmail.com>
date	Thu, 10 Jun 2010 17:37:19 -0400
parents	f7b03b6838cb
children	aa8888658021

rev	line source
2888 32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	1 /*
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	2 SDL - Simple DirectMedia Layer
3697 f7b03b6838cb Fixed bug #926 Sam Lantinga <slouken@libsdl.org> parents: 3594 diff changeset	3 Copyright (C) 1997-2010 Sam Lantinga
2888 32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	4
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	5 This library is free software; you can redistribute it and/or
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	6 modify it under the terms of the GNU Lesser General Public
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	7 License as published by the Free Software Foundation; either
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	8 version 2.1 of the License, or (at your option) any later version.
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	9
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	13 Lesser General Public License for more details.
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	14
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	15 You should have received a copy of the GNU Lesser General Public
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	16 License along with this library; if not, write to the Free Software
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	18
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	19 Sam Lantinga
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	20 slouken@libsdl.org
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	21 */
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	22 #include "SDL_config.h"
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	23
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	24 #include "SDL_video.h"
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	25 #include "SDL_draw.h"
2888 32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	26
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	27 static int
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	28 SDL_BlendFillRect_RGB555(SDL_Surface * dst, const SDL_Rect * rect,
b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	29 int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	30 {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	31 unsigned inva = 0xff - a;
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	32
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	33 switch (blendMode) {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	34 case SDL_BLENDMODE_BLEND:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	35 FILLRECT(Uint16, DRAW_SETPIXEL_BLEND_RGB555);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	36 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	37 case SDL_BLENDMODE_ADD:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	38 FILLRECT(Uint16, DRAW_SETPIXEL_ADD_RGB555);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	39 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	40 case SDL_BLENDMODE_MOD:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	41 FILLRECT(Uint16, DRAW_SETPIXEL_MOD_RGB555);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	42 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	43 default:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	44 FILLRECT(Uint16, DRAW_SETPIXEL_RGB555);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	45 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	46 }
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	47 return 0;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	48 }
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	49
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	50 static int
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	51 SDL_BlendFillRect_RGB565(SDL_Surface * dst, const SDL_Rect * rect,
b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	52 int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	53 {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	54 unsigned inva = 0xff - a;
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	55
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	56 switch (blendMode) {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	57 case SDL_BLENDMODE_BLEND:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	58 FILLRECT(Uint16, DRAW_SETPIXEL_BLEND_RGB565);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	59 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	60 case SDL_BLENDMODE_ADD:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	61 FILLRECT(Uint16, DRAW_SETPIXEL_ADD_RGB565);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	62 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	63 case SDL_BLENDMODE_MOD:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	64 FILLRECT(Uint16, DRAW_SETPIXEL_MOD_RGB565);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	65 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	66 default:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	67 FILLRECT(Uint16, DRAW_SETPIXEL_RGB565);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	68 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	69 }
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	70 return 0;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	71 }
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	72
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	73 static int
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	74 SDL_BlendFillRect_RGB888(SDL_Surface * dst, const SDL_Rect * rect,
b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	75 int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	76 {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	77 unsigned inva = 0xff - a;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	78
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	79 switch (blendMode) {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	80 case SDL_BLENDMODE_BLEND:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	81 FILLRECT(Uint32, DRAW_SETPIXEL_BLEND_RGB888);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	82 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	83 case SDL_BLENDMODE_ADD:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	84 FILLRECT(Uint32, DRAW_SETPIXEL_ADD_RGB888);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	85 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	86 case SDL_BLENDMODE_MOD:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	87 FILLRECT(Uint32, DRAW_SETPIXEL_MOD_RGB888);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	88 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	89 default:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	90 FILLRECT(Uint32, DRAW_SETPIXEL_RGB888);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	91 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	92 }
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	93 return 0;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	94 }
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	95
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	96 static int
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	97 SDL_BlendFillRect_ARGB8888(SDL_Surface * dst, const SDL_Rect * rect,
b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	98 int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
2899 a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	99 {
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	100 unsigned inva = 0xff - a;
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	101
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	102 switch (blendMode) {
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	103 case SDL_BLENDMODE_BLEND:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	104 FILLRECT(Uint32, DRAW_SETPIXEL_BLEND_ARGB8888);
2899 a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	105 break;
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	106 case SDL_BLENDMODE_ADD:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	107 FILLRECT(Uint32, DRAW_SETPIXEL_ADD_ARGB8888);
2899 a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	108 break;
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	109 case SDL_BLENDMODE_MOD:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	110 FILLRECT(Uint32, DRAW_SETPIXEL_MOD_ARGB8888);
2899 a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	111 break;
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	112 default:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	113 FILLRECT(Uint32, DRAW_SETPIXEL_ARGB8888);
2899 a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	114 break;
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	115 }
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	116 return 0;
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	117 }
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	118
a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	119 static int
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	120 SDL_BlendFillRect_RGB(SDL_Surface * dst, const SDL_Rect * rect,
b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	121 int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	122 {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	123 SDL_PixelFormat *fmt = dst->format;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	124 unsigned inva = 0xff - a;
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	125
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	126 switch (fmt->BytesPerPixel) {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	127 case 2:
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	128 switch (blendMode) {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	129 case SDL_BLENDMODE_BLEND:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	130 FILLRECT(Uint16, DRAW_SETPIXEL_BLEND_RGB);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	131 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	132 case SDL_BLENDMODE_ADD:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	133 FILLRECT(Uint16, DRAW_SETPIXEL_ADD_RGB);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	134 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	135 case SDL_BLENDMODE_MOD:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	136 FILLRECT(Uint16, DRAW_SETPIXEL_MOD_RGB);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	137 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	138 default:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	139 FILLRECT(Uint16, DRAW_SETPIXEL_RGB);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	140 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	141 }
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	142 return 0;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	143 case 4:
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	144 switch (blendMode) {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	145 case SDL_BLENDMODE_BLEND:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	146 FILLRECT(Uint32, DRAW_SETPIXEL_BLEND_RGB);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	147 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	148 case SDL_BLENDMODE_ADD:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	149 FILLRECT(Uint32, DRAW_SETPIXEL_ADD_RGB);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	150 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	151 case SDL_BLENDMODE_MOD:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	152 FILLRECT(Uint32, DRAW_SETPIXEL_MOD_RGB);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	153 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	154 default:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	155 FILLRECT(Uint32, DRAW_SETPIXEL_RGB);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	156 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	157 }
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	158 return 0;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	159 default:
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	160 SDL_Unsupported();
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	161 return -1;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	162 }
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	163 }
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	164
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	165 static int
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	166 SDL_BlendFillRect_RGBA(SDL_Surface * dst, const SDL_Rect * rect,
b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	167 int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	168 {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	169 SDL_PixelFormat *fmt = dst->format;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	170 unsigned inva = 0xff - a;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	171
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	172 switch (fmt->BytesPerPixel) {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	173 case 4:
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	174 switch (blendMode) {
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	175 case SDL_BLENDMODE_BLEND:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	176 FILLRECT(Uint32, DRAW_SETPIXEL_BLEND_RGBA);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	177 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	178 case SDL_BLENDMODE_ADD:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	179 FILLRECT(Uint32, DRAW_SETPIXEL_ADD_RGBA);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	180 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	181 case SDL_BLENDMODE_MOD:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	182 FILLRECT(Uint32, DRAW_SETPIXEL_MOD_RGBA);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	183 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	184 default:
2900 3a9636c83849 Make it possible to switch algorithms in the future Sam Lantinga <slouken@libsdl.org> parents: 2899 diff changeset	185 FILLRECT(Uint32, DRAW_SETPIXEL_RGBA);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	186 break;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	187 }
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	188 return 0;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	189 default:
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	190 SDL_Unsupported();
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	191 return -1;
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	192 }
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	193 }
2888 32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	194
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	195 int
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	196 SDL_BlendFillRect(SDL_Surface * dst, const SDL_Rect * rect,
b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	197 int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
2888 32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	198 {
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	199 SDL_Rect clipped;
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	200
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	201 if (!dst) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	202 SDL_SetError("Passed NULL destination surface");
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	203 return -1;
2888 32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	204 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	205
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	206 /* This function doesn't work on surfaces < 8 bpp */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	207 if (dst->format->BitsPerPixel < 8) {
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	208 SDL_SetError("SDL_BlendFillRect(): Unsupported surface format");
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	209 return -1;
2888 32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	210 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	211
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	212 /* If 'rect' == NULL, then fill the whole surface */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	213 if (rect) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	214 /* Perform clipping */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	215 if (!SDL_IntersectRect(rect, &dst->clip_rect, &clipped)) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	216 return 0;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	217 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	218 rect = &clipped;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	219 } else {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	220 rect = &dst->clip_rect;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	221 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	222
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	223 if (blendMode == SDL_BLENDMODE_BLEND \|\| blendMode == SDL_BLENDMODE_ADD) {
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	224 r = DRAW_MUL(r, a);
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	225 g = DRAW_MUL(g, a);
e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	226 b = DRAW_MUL(b, a);
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	227 }
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	228
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	229 switch (dst->format->BitsPerPixel) {
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	230 case 15:
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	231 switch (dst->format->Rmask) {
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	232 case 0x7C00:
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	233 return SDL_BlendFillRect_RGB555(dst, rect, blendMode, r, g, b, a);
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	234 }
1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	235 break;
1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	236 case 16:
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	237 switch (dst->format->Rmask) {
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	238 case 0xF800:
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	239 return SDL_BlendFillRect_RGB565(dst, rect, blendMode, r, g, b, a);
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	240 }
1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	241 break;
1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	242 case 32:
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	243 switch (dst->format->Rmask) {
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	244 case 0x00FF0000:
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	245 if (!dst->format->Amask) {
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	246 return SDL_BlendFillRect_RGB888(dst, rect, blendMode, r, g, b, a);
2899 a0c837a16e4c Added ARGB optimized case for Mac OS X Sam Lantinga <slouken@libsdl.org> parents: 2898 diff changeset	247 } else {
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	248 return SDL_BlendFillRect_ARGB8888(dst, rect, blendMode, r, g, b, a);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	249 }
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	250 break;
1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	251 }
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	252 break;
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	253 default:
2896 1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	254 break;
1ef2f1e75ff7 Date: Sat, 20 Dec 2008 23:25:19 +0100 Sam Lantinga <slouken@libsdl.org> parents: 2888 diff changeset	255 }
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	256
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	257 if (!dst->format->Amask) {
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	258 return SDL_BlendFillRect_RGB(dst, rect, blendMode, r, g, b, a);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	259 } else {
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	260 return SDL_BlendFillRect_RGBA(dst, rect, blendMode, r, g, b, a);
2898 e40448bc7727 Share code between fill and line drawing Sam Lantinga <slouken@libsdl.org> parents: 2896 diff changeset	261 }
2888 32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	262 }
32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	263
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	264 int
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	265 SDL_BlendFillRects(SDL_Surface * dst, const SDL_Rect ** rects, int count,
b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	266 int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a)
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	267 {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	268 SDL_Rect clipped;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	269 int i;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	270 int (func)(SDL_Surface dst, const SDL_Rect * rect,
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	271 int blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a) = NULL;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	272 int status = 0;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	273
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	274 if (!dst) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	275 SDL_SetError("Passed NULL destination surface");
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	276 return -1;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	277 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	278
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	279 /* This function doesn't work on surfaces < 8 bpp */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	280 if (dst->format->BitsPerPixel < 8) {
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	281 SDL_SetError("SDL_BlendFillRects(): Unsupported surface format");
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	282 return -1;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	283 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	284
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	285 if (blendMode == SDL_BLENDMODE_BLEND \|\| blendMode == SDL_BLENDMODE_ADD) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	286 r = DRAW_MUL(r, a);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	287 g = DRAW_MUL(g, a);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	288 b = DRAW_MUL(b, a);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	289 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	290
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	291 /* FIXME: Does this function pointer slow things down significantly? */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	292 switch (dst->format->BitsPerPixel) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	293 case 15:
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	294 switch (dst->format->Rmask) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	295 case 0x7C00:
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	296 func = SDL_BlendFillRect_RGB555;
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	297 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	298 break;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	299 case 16:
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	300 switch (dst->format->Rmask) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	301 case 0xF800:
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	302 func = SDL_BlendFillRect_RGB565;
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	303 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	304 break;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	305 case 32:
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	306 switch (dst->format->Rmask) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	307 case 0x00FF0000:
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	308 if (!dst->format->Amask) {
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	309 func = SDL_BlendFillRect_RGB888;
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	310 } else {
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	311 func = SDL_BlendFillRect_ARGB8888;
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	312 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	313 break;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	314 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	315 break;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	316 default:
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	317 break;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	318 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	319
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	320 if (!func) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	321 if (!dst->format->Amask) {
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	322 func = SDL_BlendFillRect_RGB;
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	323 } else {
3593 b931bcfd94a0 In the process of adding rectangle drawing Sam Lantinga <slouken@libsdl.org> parents: 3536 diff changeset	324 func = SDL_BlendFillRect_RGBA;
3536 0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	325 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	326 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	327
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	328 for (i = 0; i < count; ++i) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	329 const SDL_Rect * rect = rects[i];
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	330
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	331 /* If 'rect' == NULL, then fill the whole surface */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	332 if (rect) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	333 /* Perform clipping */
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	334 if (!SDL_IntersectRect(rect, &dst->clip_rect, &clipped)) {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	335 continue;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	336 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	337 rect = &clipped;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	338 } else {
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	339 rect = &dst->clip_rect;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	340 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	341
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	342 status = func(dst, rect, blendMode, r, g, b, a);
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	343 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	344 return status;
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	345 }
0267b8b1595c Added interfaces for batch drawing of points, lines and rects: Sam Lantinga <slouken@libsdl.org> parents: 2900 diff changeset	346
2888 32e8bbba1e94 Added stubs for software implementations of blending fills and line drawing Sam Lantinga <slouken@libsdl.org> parents: diff changeset	347 /* vi: set ts=4 sw=4 expandtab: */

Mercurial > sdl-ios-xcode

annotate src/video/SDL_blendfillrect.c @ 4778:9838d3525a1b