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comparison test/testsprite2.c @ 5141:da10636e5eca

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Making the API simpler, scaling is always defined as linear interpolation and should be supported as much as possible on all renderers.
author Sam Lantinga <slouken@libsdl.org>
date Mon, 31 Jan 2011 22:44:43 -0800
parents aa8888658021
children e743b9c3f6d6
comparison
equal deleted inserted replaced
5140:e594f07297a9 5141:da10636e5eca
19 static int current_color = 0; 19 static int current_color = 0;
20 static SDL_Rect *positions; 20 static SDL_Rect *positions;
21 static SDL_Rect *velocities; 21 static SDL_Rect *velocities;
22 static int sprite_w, sprite_h; 22 static int sprite_w, sprite_h;
23 static SDL_BlendMode blendMode = SDL_BLENDMODE_MASK; 23 static SDL_BlendMode blendMode = SDL_BLENDMODE_MASK;
24 static SDL_ScaleMode scaleMode = SDL_SCALEMODE_NONE;
25 24
26 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */ 25 /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */
27 static void 26 static void
28 quit(int rc) 27 quit(int rc)
29 { 28 {
87 fprintf(stderr, "Couldn't create texture: %s\n", SDL_GetError()); 86 fprintf(stderr, "Couldn't create texture: %s\n", SDL_GetError());
88 SDL_FreeSurface(temp); 87 SDL_FreeSurface(temp);
89 return (-1); 88 return (-1);
90 } 89 }
91 SDL_SetTextureBlendMode(sprites[i], blendMode); 90 SDL_SetTextureBlendMode(sprites[i], blendMode);
92 SDL_SetTextureScaleMode(sprites[i], scaleMode);
93 } 91 }
94 SDL_FreeSurface(temp); 92 SDL_FreeSurface(temp);
95 93
96 /* We're ready to roll. :) */ 94 /* We're ready to roll. :) */
97 return (0); 95 return (0);
251 } else if (SDL_strcasecmp(argv[i + 1], "mod") == 0) { 249 } else if (SDL_strcasecmp(argv[i + 1], "mod") == 0) {
252 blendMode = SDL_BLENDMODE_MOD; 250 blendMode = SDL_BLENDMODE_MOD;
253 consumed = 2; 251 consumed = 2;
254 } 252 }
255 } 253 }
256 } else if (SDL_strcasecmp(argv[i], "--scale") == 0) {
257 if (argv[i + 1]) {
258 if (SDL_strcasecmp(argv[i + 1], "none") == 0) {
259 scaleMode = SDL_SCALEMODE_NONE;
260 consumed = 2;
261 } else if (SDL_strcasecmp(argv[i + 1], "fast") == 0) {
262 scaleMode = SDL_SCALEMODE_FAST;
263 consumed = 2;
264 } else if (SDL_strcasecmp(argv[i + 1], "slow") == 0) {
265 scaleMode = SDL_SCALEMODE_SLOW;
266 consumed = 2;
267 } else if (SDL_strcasecmp(argv[i + 1], "best") == 0) {
268 scaleMode = SDL_SCALEMODE_BEST;
269 consumed = 2;
270 }
271 }
272 } else if (SDL_strcasecmp(argv[i], "--cyclecolor") == 0) { 254 } else if (SDL_strcasecmp(argv[i], "--cyclecolor") == 0) {
273 cycle_color = SDL_TRUE; 255 cycle_color = SDL_TRUE;
274 consumed = 1; 256 consumed = 1;
275 } else if (SDL_strcasecmp(argv[i], "--cyclealpha") == 0) { 257 } else if (SDL_strcasecmp(argv[i], "--cyclealpha") == 0) {
276 cycle_alpha = SDL_TRUE; 258 cycle_alpha = SDL_TRUE;
280 consumed = 1; 262 consumed = 1;
281 } 263 }
282 } 264 }
283 if (consumed < 0) { 265 if (consumed < 0) {
284 fprintf(stderr, 266 fprintf(stderr,
285 "Usage: %s %s [--blend none|mask|blend|add|mod] [--scale none|fast|slow|best] [--cyclecolor] [--cyclealpha]\n", 267 "Usage: %s %s [--blend none|mask|blend|add|mod] [--cyclecolor] [--cyclealpha]\n",
286 argv[0], CommonUsage(state)); 268 argv[0], CommonUsage(state));
287 quit(1); 269 quit(1);
288 } 270 }
289 i += consumed; 271 i += consumed;
290 } 272 }
314 if (!positions || !velocities) { 296 if (!positions || !velocities) {
315 fprintf(stderr, "Out of memory!\n"); 297 fprintf(stderr, "Out of memory!\n");
316 quit(2); 298 quit(2);
317 } 299 }
318 srand((unsigned int)time(NULL)); 300 srand((unsigned int)time(NULL));
319 if (scaleMode != SDL_SCALEMODE_NONE) {
320 sprite_w += sprite_w / 2;
321 sprite_h += sprite_h / 2;
322 }
323 for (i = 0; i < num_sprites; ++i) { 301 for (i = 0; i < num_sprites; ++i) {
324 positions[i].x = rand() % (state->window_w - sprite_w); 302 positions[i].x = rand() % (state->window_w - sprite_w);
325 positions[i].y = rand() % (state->window_h - sprite_h); 303 positions[i].y = rand() % (state->window_h - sprite_h);
326 positions[i].w = sprite_w; 304 positions[i].w = sprite_w;
327 positions[i].h = sprite_h; 305 positions[i].h = sprite_h;