sdlxGetRenderColorScale function render

double? sdlxGetRenderColorScale(Pointer<SdlRenderer> renderer)

Get the color scale used for render operations.

\param renderer the rendering context. \param scale a pointer filled in with the current color scale value. \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_SetRenderColorScale

extern SDL_DECLSPEC bool SDLCALL SDL_GetRenderColorScale(SDL_Renderer *renderer, float *scale)

See also:

• SDL_GetRenderColorScale - SDL3 Wiki

Implementation

double? sdlxGetRenderColorScale(Pointer<SdlRenderer> renderer) =>
    ffi.using((arena) {
      final scalePointer = arena<Float>();

      final bl = sdlGetRenderColorScale(renderer, scalePointer);

      if (!bl) {
        return null;
      }

      return scalePointer.value;
    });