55 строки
1.1 KiB
C
55 строки
1.1 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <SDL/SDL.h>
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#include <SDL/SDL_ttf.h>
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#include <emscripten.h>
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int main(int argc, char **argv) {
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Uint32 SRC_FLAG = SDL_SRCALPHA;
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SDL_Init(SDL_INIT_VIDEO);
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SDL_Surface *screen = SDL_SetVideoMode(600, 450, 32, SDL_HWSURFACE);
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if (argc > 1 && strcmp(argv[1], "-0") == 0) {
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SRC_FLAG = 0;
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SDL_FillRect(screen, 0, 0xFF00FF00);
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}
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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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// render
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for (int i = 0; i < 255; i++) {
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SDL_Rect dest = { i, i, 0, 0 };
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SDL_SetAlpha(text, SRC_FLAG, (((float)i)/255)*(((float)i)/255)*255);
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SDL_BlitSurface (text, NULL, screen, &dest);
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}
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SDL_Flip(screen);
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SDL_LockSurface(screen);
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int width, height, isFullscreen;
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emscripten_get_canvas_size(&width, &height, &isFullscreen);
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if (width != 600 && height != 450)
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{
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printf("error: wrong width/height\n");
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abort();
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}
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SDL_Quit();
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printf("done.\n");
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return 0;
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}
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