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Screenshots in software mode (menus) implemented.

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Steven Fuller 2001-12-06 01:33:14 +00:00 • committed by Patryk Obara
parent 9f006f18fe
commit 9a32158ae8
3 changed files with 38 additions and 8 deletions
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31
src/main.c
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@ -99,7 +99,36 @@ unsigned char *GetScreenShot24(int *width, int *height)
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glReadPixels(0, 0, surface->w, surface->h, GL_RGB, GL_BYTE, buf);
} else {
fprintf(stderr, "GetScreenShot24: add software mode 16->24!\n");
unsigned char *ptrd;
unsigned short int *ptrs;
int x, y;
if (SDL_MUSTLOCK(surface)) {
if (SDL_LockSurface(surface) < 0) {
free(buf);
return NULL; /* ... */
}
}
ptrd = buf;
for (y = 0; y < surface->h; y++) {
ptrs = (unsigned short *)(((unsigned char *)surface->pixels) + (surface->h-y-1)*surface->pitch);
for (x = 0; x < surface->w; x++) {
unsigned int c;
c = *ptrs;
ptrd[0] = (c & 0xF800)>>8;
ptrd[1] = (c & 0x07E0)>>3;
ptrd[2] = (c & 0x001F)<<3;
ptrs++;
ptrd += 3;
}
}
if (SDL_MUSTLOCK(surface)) {
SDL_UnlockSurface(surface);
}
}
*width = surface->w;