sdlGetRenderScale function render

bool sdlGetRenderScale(
  1. Pointer<SdlRenderer> renderer,
  2. Pointer<Float> scaleX,
  3. Pointer<Float> scaleY
)

Get the drawing scale for the current target.

Each render target has its own scale. This function gets the scale for the current render target.

\param renderer the rendering context. \param scaleX a pointer filled in with the horizontal scaling factor. \param scaleY a pointer filled in with the vertical scaling factor. \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_SetRenderScale

extern SDL_DECLSPEC bool SDLCALL SDL_GetRenderScale(SDL_Renderer *renderer, float *scaleX, float *scaleY)

Implementation

bool sdlGetRenderScale(
  Pointer<SdlRenderer> renderer,
  Pointer<Float> scaleX,
  Pointer<Float> scaleY,
) {
  final sdlGetRenderScaleLookupFunction = _libSdl
      .lookupFunction<
        Uint8 Function(
          Pointer<SdlRenderer> renderer,
          Pointer<Float> scaleX,
          Pointer<Float> scaleY,
        ),
        int Function(
          Pointer<SdlRenderer> renderer,
          Pointer<Float> scaleX,
          Pointer<Float> scaleY,
        )
      >('SDL_GetRenderScale');
  return sdlGetRenderScaleLookupFunction(renderer, scaleX, scaleY) == 1;
}