Fixed bug 5304 - add SDL_HasSurfaceRLE() (Thanks Rene Dudfield and Dan Lawrence)

Sylvain Becker 2020-10-18 09:52:56 +02:00
parent 19a65a46a6
commit ffb307e4dc
4 changed files with 23 additions and 0 deletions

View File

@ -237,6 +237,13 @@ extern DECLSPEC int SDLCALL SDL_SaveBMP_RW
extern DECLSPEC int SDLCALL SDL_SetSurfaceRLE(SDL_Surface * surface,
int flag);
/**
* \brief Returns whether the surface is RLE enabled
*
* \return SDL_TRUE if the surface is RLE enabled, or SDL_FALSE if the surface is NULL or not RLE enabled
*/
extern DECLSPEC SDL_bool SDLCALL SDL_HasSurfaceRLE(SDL_Surface * surface);
/**
* \brief Sets the color key (transparent pixel) in a blittable surface.
*

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@ -767,3 +767,4 @@
#define SDL_SIMDRealloc SDL_SIMDRealloc_REAL
#define SDL_AndroidRequestPermission SDL_AndroidRequestPermission_REAL
#define SDL_OpenURL SDL_OpenURL_REAL
#define SDL_HasSurfaceRLE SDL_HasSurfaceRLE_REAL

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@ -828,3 +828,4 @@ SDL_DYNAPI_PROC(void*,SDL_SIMDRealloc,(void *a, const size_t b),(a, b),return)
SDL_DYNAPI_PROC(SDL_bool,SDL_AndroidRequestPermission,(const char *a),(a),return)
#endif
SDL_DYNAPI_PROC(int,SDL_OpenURL,(const char *a),(a),return)
SDL_DYNAPI_PROC(SDL_bool,SDL_HasSurfaceRLE,(SDL_Surface *a),(a),return)

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@ -249,6 +249,20 @@ SDL_SetSurfaceRLE(SDL_Surface * surface, int flag)
return 0;
}
SDL_bool
SDL_HasSurfaceRLE(SDL_Surface * surface)
{
if (!surface) {
return SDL_FALSE;
}
if (!(surface->map->info.flags & SDL_COPY_RLE_DESIRED)) {
return SDL_FALSE;
}
return SDL_TRUE;
}
int
SDL_SetColorKey(SDL_Surface * surface, int flag, Uint32 key)
{