sdlxGetRenderDrawColor function render

SdlxColor? sdlxGetRenderDrawColor(
  1. Pointer<SdlRenderer> renderer
)

Get the color used for drawing operations (Rect, Line and Clear).

\param renderer the rendering context. \param r a pointer filled in with the red value used to draw on the rendering target. \param g a pointer filled in with the green value used to draw on the rendering target. \param b a pointer filled in with the blue value used to draw on the rendering target. \param a a pointer filled in with the alpha value used to draw on the rendering target; usually SDL_ALPHA_OPAQUE (255). \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_GetRenderDrawColorFloat \sa SDL_SetRenderDrawColor

extern SDL_DECLSPEC bool SDLCALL SDL_GetRenderDrawColor(SDL_Renderer *renderer, Uint8 *r, Uint8 *g, Uint8 *b, Uint8 *a)

See also:

Implementation

SdlxColor? sdlxGetRenderDrawColor(Pointer<SdlRenderer> renderer) =>
    ffi.using((arena) {
      final rPointer = arena<Uint8>();
      final gPointer = arena<Uint8>();
      final bPointer = arena<Uint8>();
      final aPointer = arena<Uint8>();

      final result = sdlGetRenderDrawColor(
        renderer,
        rPointer,
        gPointer,
        bPointer,
        aPointer,
      );

      if (!result) {
        return null;
      }

      return SdlxColor(
        rPointer.value,
        gPointer.value,
        bPointer.value,
        aPointer.value,
      );
    });