polygonRgba function

bool polygonRgba(
  1. Pointer<SdlRenderer> renderer,
  2. Pointer<Int16> vx,
  3. Pointer<Int16> vy,
  4. int n,
  5. int r,
  6. int g,
  7. int b,
  8. int a, {
  9. int blendMode = SDL_BLENDMODE_BLEND,
})

Implementation

bool polygonRgba(
  Pointer<SdlRenderer> renderer,
  Pointer<Int16> vx,
  Pointer<Int16> vy,
  int n,
  int r,
  int g,
  int b,
  int a, {
  int blendMode = SDL_BLENDMODE_BLEND,
}) {
  /*
	* Draw
	*/
  var result = true;

  /*
	* Vertex array NULL check
	*/
  if (vx == nullptr) {
    return false;
  }
  if (vy == nullptr) {
    return false;
  }

  /*
	* Sanity check
	*/
  if (n < 3) {
    return false;
  }

  /*
	* Pointer setup
	*/

  /*
	* Set color
	*/
  result = true;
  if (result) {
    result = sdlSetRenderDrawBlendMode(renderer, blendMode);
  }
  if (result) {
    result = sdlSetRenderDrawColor(renderer, r, g, b, a);
  }

  /*
	* Draw
	*/
  if (result) {
    result = polygon(renderer, vx, vy, n);
  }

  return result;
}