sdlSetRenderDrawColor function

int sdlSetRenderDrawColor(
  1. Pointer<SdlRenderer> renderer,
  2. int r,
  3. int g,
  4. int b,
  5. int a,
)

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

Set the color for drawing or filling rectangles, lines, and points, and for SDL_RenderClear().

\param renderer the rendering context \param r the red value used to draw on the rendering target \param g the green value used to draw on the rendering target \param b the blue value used to draw on the rendering target \param a the alpha value used to draw on the rendering target; usually SDL_ALPHA_OPAQUE (255). Use SDL_SetRenderDrawBlendMode to specify how the alpha channel is used \returns 0 on success or a negative error code on failure; call SDL_GetError() for more information.

\since This function is available since SDL 2.0.0.

\sa SDL_GetRenderDrawColor \sa SDL_RenderClear \sa SDL_RenderDrawLine \sa SDL_RenderDrawLines \sa SDL_RenderDrawPoint \sa SDL_RenderDrawPoints \sa SDL_RenderDrawRect \sa SDL_RenderDrawRects \sa SDL_RenderFillRect \sa SDL_RenderFillRects

extern DECLSPEC int SDLCALL SDL_SetRenderDrawColor(SDL_Renderer * renderer, Uint8 r, Uint8 g, Uint8 b, Uint8 a)

Implementation

int sdlSetRenderDrawColor(
    Pointer<SdlRenderer> renderer, int r, int g, int b, int a) {
  final sdlSetRenderDrawColorLookupFunction = libSdl2.lookupFunction<
      Int32 Function(
          Pointer<SdlRenderer> renderer, Uint8 r, Uint8 g, Uint8 b, Uint8 a),
      int Function(Pointer<SdlRenderer> renderer, int r, int g, int b,
          int a)>('SDL_SetRenderDrawColor');
  return sdlSetRenderDrawColorLookupFunction(renderer, r, g, b, a);
}