35 строки
983 B
C
35 строки
983 B
C
#include <SDL2/SDL.h>
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#ifdef __EMSCRIPTEN__
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#include <emscripten.h>
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#endif
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int main(int argc, char **argv) {
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SDL_Init(SDL_INIT_VIDEO);
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//SDL_Surface *screen = SDL_SetVideoMode(40, 40, 32, SDL_SWSURFACE);
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SDL_Window *window;
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SDL_Renderer *renderer;
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SDL_CreateWindowAndRenderer(40, 40, 0, &window, &renderer);
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SDL_Surface *screen = SDL_CreateRGBSurface(0, 40, 40, 32, 0, 0, 0, 0);
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SDL_FillRect(screen, NULL, SDL_MapRGBA(screen->format, 0xff, 0, 0, 0xff));
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SDL_LockSurface(screen);
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*((int*)screen->pixels + 95) = 0;
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SDL_UnlockSurface(screen);
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SDL_FillRect(screen, NULL, SDL_MapRGBA(screen->format, 0, 0xff, 0, 0xff)); // wipe out previous pixel and fill
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SDL_LockSurface(screen);
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*((int*)screen->pixels + 205) = 0;
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SDL_UnlockSurface(screen);
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SDL_Texture *screenTexture = SDL_CreateTextureFromSurface(renderer, screen);
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SDL_RenderClear(renderer);
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SDL_RenderCopy(renderer, screenTexture, NULL, NULL);
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SDL_RenderPresent(renderer);
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return 0;
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}
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