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51 lines
1.3 KiB
51 lines
1.3 KiB
#pragma once |
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// Backports for older versions of SDL 2. |
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#include <SDL.h> |
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#ifndef SDL_MAX_UINT32 |
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#define SDL_MAX_UINT32 ((Uint32)0xFFFFFFFFu) |
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#endif |
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#if !SDL_VERSION_ATLEAST(2, 0, 4) |
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inline SDL_bool SDL_PointInRect(const SDL_Point *p, const SDL_Rect *r) |
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{ |
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return ((p->x >= r->x) && (p->x < (r->x + r->w)) |
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&& (p->y >= r->y) && (p->y < (r->y + r->h))) |
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? SDL_TRUE |
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: SDL_FALSE; |
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} |
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#endif |
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#if !SDL_VERSION_ATLEAST(2, 0, 5) |
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inline SDL_Surface * |
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SDL_CreateRGBSurfaceWithFormat(Uint32 flags, int width, int height, int depth, |
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Uint32 format) |
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{ |
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int bpp; |
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Uint32 rmask, gmask, bmask, amask; |
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if (!SDL_PixelFormatEnumToMasks(format, &bpp, &rmask, &gmask, &bmask, &amask)) |
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return NULL; |
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return SDL_CreateRGBSurface(flags, width, height, bpp, rmask, gmask, bmask, amask); |
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} |
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// From SDL 2.0.9. |
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inline SDL_Surface * |
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SDL_CreateRGBSurfaceWithFormatFrom(void *pixels, |
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int width, int height, int depth, int pitch, |
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Uint32 format) |
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{ |
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SDL_Surface *surface; |
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surface = SDL_CreateRGBSurfaceWithFormat(0, 0, 0, depth, format); |
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if (surface != NULL) { |
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surface->flags |= SDL_PREALLOC; |
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surface->pixels = pixels; |
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surface->w = width; |
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surface->h = height; |
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surface->pitch = pitch; |
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SDL_SetClipRect(surface, NULL); |
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} |
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return surface; |
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} |
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#endif
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