Mercurial > sdl-ios-xcode
annotate src/video/SDL_blendpoint.c @ 5091:79bd1e289005
Fixed bug #1102
Check /usr/local/bin for hg before sourcing the user's bash settings
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Mon, 24 Jan 2011 17:47:18 -0800 |
| parents | aa8888658021 |
| children | e743b9c3f6d6 |
| rev | line source |
|---|---|
| 2901 | 1 /* |
| 2 SDL - Simple DirectMedia Layer | |
| 3697 | 3 Copyright (C) 1997-2010 Sam Lantinga |
| 2901 | 4 |
| 5 This library is free software; you can redistribute it and/or | |
| 6 modify it under the terms of the GNU Lesser General Public | |
| 7 License as published by the Free Software Foundation; either | |
| 8 version 2.1 of the License, or (at your option) any later version. | |
| 9 | |
| 10 This library is distributed in the hope that it will be useful, | |
| 11 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 Lesser General Public License for more details. | |
| 14 | |
| 15 You should have received a copy of the GNU Lesser General Public | |
| 16 License along with this library; if not, write to the Free Software | |
| 17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
| 18 | |
| 19 Sam Lantinga | |
| 20 slouken@libsdl.org | |
| 21 */ | |
| 22 #include "SDL_config.h" | |
| 23 | |
| 24 #include "SDL_draw.h" | |
| 25 | |
| 26 static int | |
|
4929
aa8888658021
Use the enumerated type for blend and scale mode instead of int
Sam Lantinga <slouken@libsdl.org>
parents:
3697
diff
changeset
|
27 SDL_BlendPoint_RGB555(SDL_Surface * dst, int x, int y, SDL_BlendMode blendMode, Uint8 r, |
| 2901 | 28 Uint8 g, Uint8 b, Uint8 a) |
| 29 { | |
| 30 unsigned inva = 0xff - a; | |
| 31 | |
| 32 switch (blendMode) { | |
| 33 case SDL_BLENDMODE_BLEND: | |
| 34 DRAW_SETPIXELXY_BLEND_RGB555(x, y); | |
| 35 break; | |
| 36 case SDL_BLENDMODE_ADD: | |
| 37 DRAW_SETPIXELXY_ADD_RGB555(x, y); | |
| 38 break; | |
| 39 case SDL_BLENDMODE_MOD: | |
| 40 DRAW_SETPIXELXY_MOD_RGB555(x, y); | |
| 41 break; | |
| 42 default: | |
| 43 DRAW_SETPIXELXY_RGB555(x, y); | |
| 44 break; | |
| 45 } | |
| 46 return 0; | |
| 47 } | |
| 48 | |
| 49 static int | |
|
4929
aa8888658021
Use the enumerated type for blend and scale mode instead of int
Sam Lantinga <slouken@libsdl.org>
parents:
3697
diff
changeset
|
50 SDL_BlendPoint_RGB565(SDL_Surface * dst, int x, int y, SDL_BlendMode blendMode, Uint8 r, |
| 2901 | 51 Uint8 g, Uint8 b, Uint8 a) |
| 52 { | |
| 53 unsigned inva = 0xff - a; | |
| 54 | |
| 55 switch (blendMode) { | |
| 56 case SDL_BLENDMODE_BLEND: | |
| 57 DRAW_SETPIXELXY_BLEND_RGB565(x, y); | |
| 58 break; | |
| 59 case SDL_BLENDMODE_ADD: | |
| 60 DRAW_SETPIXELXY_ADD_RGB565(x, y); | |
| 61 break; | |
| 62 case SDL_BLENDMODE_MOD: | |
| 63 DRAW_SETPIXELXY_MOD_RGB565(x, y); | |
| 64 break; | |
| 65 default: | |
| 66 DRAW_SETPIXELXY_RGB565(x, y); | |
| 67 break; | |
| 68 } | |
| 69 return 0; | |
| 70 } | |
| 71 | |
| 72 static int | |
|
4929
aa8888658021
Use the enumerated type for blend and scale mode instead of int
Sam Lantinga <slouken@libsdl.org>
parents:
3697
diff
changeset
|
73 SDL_BlendPoint_RGB888(SDL_Surface * dst, int x, int y, SDL_BlendMode blendMode, Uint8 r, |
| 2901 | 74 Uint8 g, Uint8 b, Uint8 a) |
| 75 { | |
| 76 unsigned inva = 0xff - a; | |
| 77 | |
| 78 switch (blendMode) { | |
| 79 case SDL_BLENDMODE_BLEND: | |
| 80 DRAW_SETPIXELXY_BLEND_RGB888(x, y); | |
| 81 break; | |
| 82 case SDL_BLENDMODE_ADD: | |
| 83 DRAW_SETPIXELXY_ADD_RGB888(x, y); | |
| 84 break; | |
| 85 case SDL_BLENDMODE_MOD: | |
| 86 DRAW_SETPIXELXY_MOD_RGB888(x, y); | |
| 87 break; | |
| 88 default: | |
| 89 DRAW_SETPIXELXY_RGB888(x, y); | |
| 90 break; | |
| 91 } | |
| 92 return 0; | |
| 93 } | |
| 94 | |
| 95 static int | |
|
4929
aa8888658021
Use the enumerated type for blend and scale mode instead of int
Sam Lantinga <slouken@libsdl.org>
parents:
3697
diff
changeset
|
96 SDL_BlendPoint_ARGB8888(SDL_Surface * dst, int x, int y, SDL_BlendMode blendMode, |
| 2901 | 97 Uint8 r, Uint8 g, Uint8 b, Uint8 a) |
| 98 { | |
| 99 unsigned inva = 0xff - a; | |
| 100 | |
| 101 switch (blendMode) { | |
| 102 case SDL_BLENDMODE_BLEND: | |
| 103 DRAW_SETPIXELXY_BLEND_ARGB8888(x, y); | |
| 104 break; | |
| 105 case SDL_BLENDMODE_ADD: | |
| 106 DRAW_SETPIXELXY_ADD_ARGB8888(x, y); | |
| 107 break; | |
| 108 case SDL_BLENDMODE_MOD: | |
| 109 DRAW_SETPIXELXY_MOD_ARGB8888(x, y); | |
| 110 break; | |
| 111 default: | |
| 112 DRAW_SETPIXELXY_ARGB8888(x, y); | |
| 113 break; | |
| 114 } | |
| 115 return 0; | |
| 116 } | |
| 117 | |
| 118 static int | |
|
4929
aa8888658021
Use the enumerated type for blend and scale mode instead of int
Sam Lantinga <slouken@libsdl.org>
parents:
3697
diff
changeset
|
119 SDL_BlendPoint_RGB(SDL_Surface * dst, int x, int y, SDL_BlendMode blendMode, Uint8 r, |
| 2901 | 120 Uint8 g, Uint8 b, Uint8 a) |
| 121 { | |
| 122 SDL_PixelFormat *fmt = dst->format; | |
| 123 unsigned inva = 0xff - a; | |
| 124 | |
| 125 switch (fmt->BytesPerPixel) { | |
| 126 case 2: | |
| 127 switch (blendMode) { | |
| 128 case SDL_BLENDMODE_BLEND: | |
| 129 DRAW_SETPIXELXY2_BLEND_RGB(x, y); | |
| 130 break; | |
| 131 case SDL_BLENDMODE_ADD: | |
| 132 DRAW_SETPIXELXY2_ADD_RGB(x, y); | |
| 133 break; | |
| 134 case SDL_BLENDMODE_MOD: | |
| 135 DRAW_SETPIXELXY2_MOD_RGB(x, y); | |
| 136 break; | |
| 137 default: | |
| 138 DRAW_SETPIXELXY2_RGB(x, y); | |
| 139 break; | |
| 140 } | |
| 141 return 0; | |
| 142 case 4: | |
| 143 switch (blendMode) { | |
| 144 case SDL_BLENDMODE_BLEND: | |
| 145 DRAW_SETPIXELXY4_BLEND_RGB(x, y); | |
| 146 break; | |
| 147 case SDL_BLENDMODE_ADD: | |
| 148 DRAW_SETPIXELXY4_ADD_RGB(x, y); | |
| 149 break; | |
| 150 case SDL_BLENDMODE_MOD: | |
| 151 DRAW_SETPIXELXY4_MOD_RGB(x, y); | |
| 152 break; | |
| 153 default: | |
| 154 DRAW_SETPIXELXY4_RGB(x, y); | |
| 155 break; | |
| 156 } | |
| 157 return 0; | |
| 158 default: | |
| 159 SDL_Unsupported(); | |
| 160 return -1; | |
| 161 } | |
| 162 } | |
| 163 | |
| 164 static int | |
|
4929
aa8888658021
Use the enumerated type for blend and scale mode instead of int
Sam Lantinga <slouken@libsdl.org>
parents:
3697
diff
changeset
|
165 SDL_BlendPoint_RGBA(SDL_Surface * dst, int x, int y, SDL_BlendMode blendMode, Uint8 r, |
| 2901 | 166 Uint8 g, Uint8 b, Uint8 a) |
| 167 { | |
| 168 SDL_PixelFormat *fmt = dst->format; | |
| 169 unsigned inva = 0xff - a; | |
| 170 | |
| 171 switch (fmt->BytesPerPixel) { | |
| 172 case 4: | |
| 173 switch (blendMode) { | |
| 174 case SDL_BLENDMODE_BLEND: | |
| 175 DRAW_SETPIXELXY4_BLEND_RGBA(x, y); | |
| 176 break; | |
| 177 case SDL_BLENDMODE_ADD: | |
| 178 DRAW_SETPIXELXY4_ADD_RGBA(x, y); | |
| 179 break; | |
| 180 case SDL_BLENDMODE_MOD: | |
| 181 DRAW_SETPIXELXY4_MOD_RGBA(x, y); | |
| 182 break; | |
| 183 default: | |
| 184 DRAW_SETPIXELXY4_RGBA(x, y); | |
| 185 break; | |
| 186 } | |
| 187 return 0; | |
| 188 default: | |
| 189 SDL_Unsupported(); | |
| 190 return -1; | |
| 191 } | |
| 192 } | |
| 193 | |
| 194 int | |
|
4929
aa8888658021
Use the enumerated type for blend and scale mode instead of int
Sam Lantinga <slouken@libsdl.org>
parents:
3697
diff
changeset
|
195 SDL_BlendPoint(SDL_Surface * dst, int x, int y, SDL_BlendMode blendMode, Uint8 r, |
| 2901 | 196 Uint8 g, Uint8 b, Uint8 a) |
| 197 { | |
|
3536
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
198 if (!dst) { |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
199 SDL_SetError("Passed NULL destination surface"); |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
200 return -1; |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
201 } |
| 2901 | 202 |
| 203 /* This function doesn't work on surfaces < 8 bpp */ | |
| 204 if (dst->format->BitsPerPixel < 8) { | |
| 205 SDL_SetError("SDL_BlendPoint(): Unsupported surface format"); | |
|
3536
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
206 return -1; |
| 2901 | 207 } |
| 208 | |
| 209 /* Perform clipping */ | |
| 210 if (x < dst->clip_rect.x || y < dst->clip_rect.y || | |
| 211 x >= (dst->clip_rect.x + dst->clip_rect.w) || | |
| 212 y >= (dst->clip_rect.y + dst->clip_rect.h)) { | |
| 213 return 0; | |
| 214 } | |
| 215 | |
|
3536
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
216 if (blendMode == SDL_BLENDMODE_BLEND || blendMode == SDL_BLENDMODE_ADD) { |
| 2901 | 217 r = DRAW_MUL(r, a); |
| 218 g = DRAW_MUL(g, a); | |
| 219 b = DRAW_MUL(b, a); | |
| 220 } | |
| 221 | |
|
3536
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
222 switch (dst->format->BitsPerPixel) { |
| 2901 | 223 case 15: |
|
3536
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
224 switch (dst->format->Rmask) { |
| 2901 | 225 case 0x7C00: |
| 226 return SDL_BlendPoint_RGB555(dst, x, y, blendMode, r, g, b, a); | |
| 227 } | |
| 228 break; | |
| 229 case 16: | |
|
3536
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
230 switch (dst->format->Rmask) { |
| 2901 | 231 case 0xF800: |
| 232 return SDL_BlendPoint_RGB565(dst, x, y, blendMode, r, g, b, a); | |
| 233 } | |
| 234 break; | |
| 235 case 32: | |
|
3536
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
236 switch (dst->format->Rmask) { |
| 2901 | 237 case 0x00FF0000: |
|
3536
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
238 if (!dst->format->Amask) { |
| 2901 | 239 return SDL_BlendPoint_RGB888(dst, x, y, blendMode, r, g, b, |
| 240 a); | |
| 241 } else { | |
| 242 return SDL_BlendPoint_ARGB8888(dst, x, y, blendMode, r, g, b, | |
| 243 a); | |
| 244 } | |
| 245 break; | |
| 246 } | |
|
3536
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
247 break; |
| 2901 | 248 default: |
| 249 break; | |
| 250 } | |
| 251 | |
|
3536
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
252 if (!dst->format->Amask) { |
| 2901 | 253 return SDL_BlendPoint_RGB(dst, x, y, blendMode, r, g, b, a); |
| 254 } else { | |
| 255 return SDL_BlendPoint_RGBA(dst, x, y, blendMode, r, g, b, a); | |
| 256 } | |
| 257 } | |
| 258 | |
|
3536
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
259 int |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
260 SDL_BlendPoints(SDL_Surface * dst, const SDL_Point * points, int count, |
|
4929
aa8888658021
Use the enumerated type for blend and scale mode instead of int
Sam Lantinga <slouken@libsdl.org>
parents:
3697
diff
changeset
|
261 SDL_BlendMode 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:
2901
diff
changeset
|
262 { |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
263 int minx, miny; |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
264 int maxx, maxy; |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
265 int i; |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
266 int x, y; |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
267 int (*func)(SDL_Surface * dst, int x, int y, |
|
4929
aa8888658021
Use the enumerated type for blend and scale mode instead of int
Sam Lantinga <slouken@libsdl.org>
parents:
3697
diff
changeset
|
268 SDL_BlendMode blendMode, Uint8 r, Uint8 g, Uint8 b, Uint8 a) = NULL; |
|
3536
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
269 int status = 0; |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
270 |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
271 if (!dst) { |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
272 SDL_SetError("Passed NULL destination surface"); |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
273 return -1; |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
274 } |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
275 |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
276 /* 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:
2901
diff
changeset
|
277 if (dst->format->BitsPerPixel < 8) { |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
278 SDL_SetError("SDL_BlendPoints(): Unsupported surface format"); |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
279 return (-1); |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
280 } |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
281 |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
282 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:
2901
diff
changeset
|
283 r = DRAW_MUL(r, a); |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
284 g = DRAW_MUL(g, a); |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
285 b = DRAW_MUL(b, a); |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
286 } |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
287 |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
288 /* 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:
2901
diff
changeset
|
289 switch (dst->format->BitsPerPixel) { |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
290 case 15: |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
291 switch (dst->format->Rmask) { |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
292 case 0x7C00: |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
293 func = SDL_BlendPoint_RGB555; |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
294 break; |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
295 } |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
296 break; |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
297 case 16: |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
298 switch (dst->format->Rmask) { |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
299 case 0xF800: |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
300 func = SDL_BlendPoint_RGB565; |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
301 break; |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
302 } |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
303 break; |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
304 case 32: |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
305 switch (dst->format->Rmask) { |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
306 case 0x00FF0000: |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
307 if (!dst->format->Amask) { |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
308 func = SDL_BlendPoint_RGB888; |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
309 } else { |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
310 func = SDL_BlendPoint_ARGB8888; |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
311 } |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
312 break; |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
313 } |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
314 break; |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
315 default: |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
316 break; |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
317 } |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
318 |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
319 if (!func) { |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
320 if (!dst->format->Amask) { |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
321 func = SDL_BlendPoint_RGB; |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
322 } else { |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
323 func = SDL_BlendPoint_RGBA; |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
324 } |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
325 } |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
326 |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
327 minx = dst->clip_rect.x; |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
328 maxx = dst->clip_rect.x + dst->clip_rect.w - 1; |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
329 miny = dst->clip_rect.y; |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
330 maxy = dst->clip_rect.y + dst->clip_rect.h - 1; |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
331 |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
332 for (i = 0; i < count; ++i) { |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
333 x = points[i].x; |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
334 y = points[i].y; |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
335 |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
336 if (x < minx || x > maxx || y < miny || y > maxy) { |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
337 continue; |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
338 } |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
339 status = func(dst, x, y, blendMode, r, g, b, a); |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
340 } |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
341 return status; |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
342 } |
|
0267b8b1595c
Added interfaces for batch drawing of points, lines and rects:
Sam Lantinga <slouken@libsdl.org>
parents:
2901
diff
changeset
|
343 |
| 2901 | 344 /* vi: set ts=4 sw=4 expandtab: */ |