void fillEllipse(double cx, double cy, double rx, double ry, double oriRadian,
const double rgb[3])
{
// Create vectorial ellipse.
agg::ellipse ellipse(cx, cy, rx, ry);
// Render ellipse.
agg::trans_affine transform;
ellipse.init(0, 0, rx, ry);
transform.rotate(oriRadian);
transform.translate(cx, cy);
agg::conv_transform<agg::ellipse> ellipticPath(ellipse, transform);
aa_rasterizer.add_path(ellipticPath);
agg::render_scanlines_aa_solid(
aa_rasterizer, scanline, renderer_base,
agg::rgba(rgb[0], rgb[1], rgb[2]) );
}
void ImagePainter::drawEllipse(double cx, double cy, double rx, double ry,
double oriRadian, double penWidth,
const Vector3d& rgb, double alpha)
{
// Create vectorial ellipse.
agg::ellipse ellipse;
// Rotate and translate ellipse
agg::trans_affine transform;
ellipse.init(0, 0, rx, ry);
transform.rotate(oriRadian);
transform.translate(cx, cy);
// Render ellipse.
agg::conv_transform<agg::ellipse> ellipticPath(ellipse, transform);
agg::conv_stroke<agg::conv_transform<agg::ellipse> > ellStroke(ellipticPath);
ellStroke.width(penWidth);
aa_rasterizer.add_path(ellStroke);
agg::render_scanlines_aa_solid(
aa_rasterizer, scanline, renderer_base,
agg::rgba(rgb[0], rgb[1], rgb[2], alpha) );
}
