SDL_Surface *WadImageCache::resize_image(SDL_Surface *original, int width, int height) const
{
if (original) {
if (original->w != width || original->h != height) {
return SDL_Resize(original, width, height, false, 1);
}
}
return NULL;
}
SDL_Surface* SDL_Resize(SDL_Surface *src, float factor, bool free, int filter)
{
if (factor > 100.0f) factor = 100.0f; //let's be reasonable...
int new_w = (int)(src->w * factor),
new_h = (int)(src->h * factor);
if (new_w < 1) new_w = 1;
if (new_h < 1) new_h = 1;
return SDL_Resize(src, new_w, new_h, free, filter);
}