77 строки
1.6 KiB
C
77 строки
1.6 KiB
C
/*
|
|
* Copyright 2014 The Emscripten Authors. All rights reserved.
|
|
* Emscripten is available under two separate licenses, the MIT license and the
|
|
* University of Illinois/NCSA Open Source License. Both these licenses can be
|
|
* found in the LICENSE file.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <SDL2/SDL.h>
|
|
#include <emscripten.h>
|
|
|
|
int main() {
|
|
SDL_Init(SDL_INIT_VIDEO);
|
|
|
|
SDL_Window *window;
|
|
SDL_Renderer *renderer;
|
|
|
|
SDL_CreateWindowAndRenderer(600, 400, 0, &window, &renderer);
|
|
|
|
SDL_Surface *screen = SDL_CreateRGBSurface(0, 600, 400, 8, 0, 0, 0, 0);
|
|
|
|
//initialize sdl palette
|
|
//with red green and blue
|
|
//colors
|
|
SDL_Color pal[4];
|
|
pal[0].r = 255;
|
|
pal[0].g = 0;
|
|
pal[0].b = 0;
|
|
pal[0].a = 255;
|
|
|
|
pal[1].r = 0;
|
|
pal[1].g = 255;
|
|
pal[1].b = 0;
|
|
pal[1].a = 255;
|
|
|
|
pal[2].r = 0;
|
|
pal[2].g = 0;
|
|
pal[2].b = 255;
|
|
pal[2].a = 255;
|
|
|
|
pal[3].r = 255;
|
|
pal[3].g = 255;
|
|
pal[3].b = 0;
|
|
pal[3].a = 255;
|
|
|
|
SDL_SetPaletteColors(screen->format->palette, pal, 0, 4);
|
|
|
|
SDL_FillRect(screen, NULL, 0);
|
|
|
|
{
|
|
SDL_Rect rect = { 300, 0, 300, 200 };
|
|
SDL_FillRect(screen, &rect, 1);
|
|
}
|
|
|
|
{
|
|
SDL_Rect rect = { 0, 200, 600, 200 };
|
|
SDL_FillRect(screen, &rect, 2);
|
|
}
|
|
|
|
{
|
|
SDL_Rect rect = { 300, 200, 300, 200 };
|
|
SDL_FillRect(screen, &rect, 3);
|
|
}
|
|
|
|
SDL_Texture *screenTexture = SDL_CreateTextureFromSurface(renderer, screen);
|
|
SDL_RenderClear(renderer);
|
|
SDL_RenderCopy(renderer, screenTexture, NULL, NULL);
|
|
SDL_RenderPresent(renderer);
|
|
|
|
printf("you should see red, blue and yellow rectangles\n");
|
|
|
|
// Don't quit - we need to reftest the canvas! SDL_Quit();
|
|
|
|
return 0;
|
|
}
|
|
|