sdlxGetRenderDrawBlendMode function render

int? sdlxGetRenderDrawBlendMode(
  1. Pointer<SdlRenderer> renderer
)

Get the blend mode used for drawing operations.

\param renderer the rendering context. \param blendMode a pointer filled in with the current SDL_BlendMode. \returns true on success or false on failure; call SDL_GetError() for more information.

\threadsafety This function should only be called on the main thread.

\since This function is available since SDL 3.2.0.

\sa SDL_SetRenderDrawBlendMode

extern SDL_DECLSPEC bool SDLCALL SDL_GetRenderDrawBlendMode(SDL_Renderer *renderer, SDL_BlendMode *blendMode)

Implementation

int? sdlxGetRenderDrawBlendMode(Pointer<SdlRenderer> renderer) {
  int? result;
  final blendModePointer = ffi.calloc<Uint32>();
  final bl = sdlGetRenderDrawBlendMode(renderer, blendModePointer);
  if (bl) {
    result = blendModePointer.value;
  }
  blendModePointer.callocFree();
  return result;
}