GDI+ - 图形编程【输出图片】

Graphics gdi(this->GetDC()->m_hDC);
//原图输出
Image img(L"123.png");
gdi.DrawImage(&img,0,0);

//裁剪图片
gdi.DrawImage(&img,Rect(0,0,50,50),0,0,50,50,UnitPixel);//只输出原图部分面积

//缩小图片
gdi.DrawImage(&img,0,0,50,50);

//旋转图片
img.RotateFlip(Rotate90FlipY);
gdi.DrawImage(&img,129,0);