emscripten/tests/sdl_canvas.c

75 строки
1.8 KiB
C
Исходник Обычный вид История

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#include <stdio.h>
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#include <stdlib.h>
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#include <SDL/SDL.h>
#include <SDL/SDL_ttf.h>
#include <emscripten.h>
int main(int argc, char **argv) {
#if EMSCRIPTEN
// include GL stuff, to check that we can compile hybrid 2d/GL apps
extern void glBegin(int mode);
extern void glBindBuffer(int target, int buffer);
if (argc == 9876) {
glBegin(0);
glBindBuffer(0, 0);
}
#endif
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SDL_Init(SDL_INIT_VIDEO);
SDL_Surface *screen = SDL_SetVideoMode(600, 450, 32, SDL_HWSURFACE);
printf("Init: %d\n", TTF_Init());
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TTF_Font *font = TTF_OpenFont("sans-serif", 40);
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printf("Font: %p\n", font);
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SDL_Color color = { 0xff, 0x99, 0x00, 0xff };
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SDL_Surface *text = TTF_RenderText_Solid(font, "hello orange world", color);
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SDL_Color color2 = { 0xbb, 0, 0xff, 0xff };
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SDL_Surface *text2 = TTF_RenderText_Solid(font, "a second line, purple", color2);
// render
SDL_Rect dest = { 0, 50, 0, 0 };
SDL_BlitSurface (text, NULL, screen, NULL);
dest.y = 100;
SDL_BlitSurface (text2, NULL, screen, &dest);
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// fill stuff
SDL_Rect rect = { 200, 200, 175, 125 };
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SDL_FillRect(screen, &rect, SDL_MapRGBA(screen->format, 0x22, 0x22, 0xff, 0xff));
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SDL_Flip(screen);
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SDL_LockSurface(screen);
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int width, height, isFullscreen;
emscripten_get_canvas_size(&width, &height, &isFullscreen);
if (width != 600 && height != 450)
{
printf("error: wrong width/height\n");
abort();
}
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int sum = 0;
for (int i = 0; i < screen->h; i++) {
sum += *((char*)screen->pixels + i*screen->w*4 + i*4 + 0);
}
printf("Sum: %d\n", sum);
printf("you should see two lines of text in different colors and a blue rectangle\n");
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SDL_Quit();
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printf("done.\n");
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int result = sum > 3000 && sum < 5000; // varies a little on different browsers, font differences?
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REPORT_RESULT();
return 0;
}