72 строки
1.3 KiB
C
72 строки
1.3 KiB
C
#include <stdio.h>
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#include <SDL2/SDL.h>
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#include <emscripten.h>
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int main() {
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SDL_Init(SDL_INIT_VIDEO);
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SDL_Window *window;
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SDL_Renderer *renderer;
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SDL_CreateWindowAndRenderer(600, 400, 0, &window, &renderer);
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SDL_Surface *screen = SDL_CreateRGBSurface(0, 600, 400, 8, 0, 0, 0, 0);
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//initialize sdl palette
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//with red green and blue
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//colors
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SDL_Color pal[4];
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pal[0].r = 255;
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pal[0].g = 0;
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pal[0].b = 0;
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pal[0].a = 255;
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pal[1].r = 0;
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pal[1].g = 255;
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pal[1].b = 0;
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pal[1].a = 255;
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pal[2].r = 0;
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pal[2].g = 0;
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pal[2].b = 255;
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pal[2].a = 255;
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pal[3].r = 255;
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pal[3].g = 255;
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pal[3].b = 0;
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pal[3].a = 255;
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SDL_SetPaletteColors(screen->format->palette, pal, 0, 4);
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SDL_FillRect(screen, NULL, 0);
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{
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SDL_Rect rect = { 300, 0, 300, 200 };
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SDL_FillRect(screen, &rect, 1);
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}
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{
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SDL_Rect rect = { 0, 200, 600, 200 };
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SDL_FillRect(screen, &rect, 2);
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}
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{
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SDL_Rect rect = { 300, 200, 300, 200 };
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SDL_FillRect(screen, &rect, 3);
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}
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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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printf("you should see red, blue and yellow rectangles\n");
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SDL_Quit();
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return 0;
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}
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