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add SDL_RenderTextureAffine

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expikr 2024-10-28 10:48:47 +08:00 • committed by Sam Lantinga
parent 2c4fc2e549
commit d0f1910918
2 changed files with 147 additions and 0 deletions
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30
include/SDL3/SDL_render.h
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@ -2076,6 +2076,36 @@ extern SDL_DECLSPEC bool SDLCALL SDL_RenderTextureRotated(SDL_Renderer *renderer
double angle, const SDL_FPoint *center,
SDL_FlipMode flip);
/**
* Copy a portion of the source texture to the current rendering target, with
* affine transform, at subpixel precision.
*
* \param renderer the renderer which should copy parts of a texture.
* \param texture the source texture.
* \param srcrect a pointer to the source rectangle, or NULL for the entire
* texture.
* \param origin a pointer to a point indicating where the top-left corner of
srcrect should be mapped to, or NULL for the rendering
target's origin.
* \param right a pointer to a point indicating where the top-right corner of
srcrect should be mapped to, or NULL for the rendering
target's top-right corner.
* \param down a pointer to a point indicating where the bottom-left corner
of srcrect should be mapped to, or NULL for the rendering
target's bottom-left corner.
* \returns true on success or false on failure; call SDL_GetError() for more
* information.
*
* \threadsafety You may only call this function from the main thread.
*
* \since This function is available since SDL 3.0.0.
*
* \sa SDL_RenderTexture
*/
extern SDL_DECLSPEC bool SDLCALL SDL_RenderTextureAffine(SDL_Renderer *renderer, SDL_Texture *texture,
const SDL_FRect *srcrect, const SDL_FPoint *origin,
const SDL_FPoint *right, const SDL_FPoint *down);
/**
* Tile a portion of the texture to the current rendering target at subpixel
* precision.