GDI+ clipping region
void CGdiplusDemoView::OnDraw(CDC* pDC)
{
Graphics g(pDC->m_hDC);
// Create region
Point points[] = {
Point(10, 30), Point(200, 10), Point(150, 50), Point(170, 150)
};
GraphicsPath path;
path.AddPolygon(points, 4);
Region region(&path);
// Draw region
Pen pen(Color(255, 0, 0, 0));
g.DrawPath(&pen, &path);
// Clipping
g.SetClip(®ion);
// Display text
FontFamily fontFamily(L"Arial");
Font font(&fontFamily, 36, FontStyleBold, UnitPixel);
SolidBrush brush(Color(255, 255, 0, 0));
g.DrawString(L"Clipping", 20, &font, PointF(15, 25), &brush);
}
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