aapolygonRgba function

bool aapolygonRgba(
  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,
)

Implementation

bool aapolygonRgba(Pointer<SdlRenderer> renderer, Pointer<Int16> vx,
    Pointer<Int16> vy, int n, int r, int g, int b, int a) {
  bool result = true;
  int i;

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

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

  /*
	* Pointer setup
	*/

  /*
	* Draw
	*/
  result = true;
  for (i = 1; i < n; i++) {
    if (result) {
      result = _aalineRgba(renderer, vx[i - 1].toDouble(), vy[i - 1].toDouble(),
          vx[i].toDouble(), vy[i].toDouble(), r, g, b, a, 0);
    }
  }
  if (result) {
    result = _aalineRgba(renderer, vx[n - 1].toDouble(), vy[n - 1].toDouble(),
        vx[0].toDouble(), vy[0].toDouble(), r, g, b, a, 0);
  }

  return result;
}