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paip.c#图片裁剪

   pictureBox1.Image=PTImage.CutForCustomx(@"d:\img.jpg",100,300);

            pictureBox1.Image.Save(@"d:\img2.jpg");

 

 

        public static Image CutForCustomx(string imgPath, int top,int height)

        {

            FileStream fs = new FileStream(imgPath, FileMode.Open, FileAccess.Read);             //从文件获取原始图片，并使用流中嵌入的颜色管理信息             System.Drawing.Image initImage = System.Drawing.Image.FromStream(fs, true);

            Bitmap b = new Bitmap(initImage);

            Bitmap img = b.Clone(new Rectangle(0, top, initImage.Width, height), System.Drawing.Imaging.PixelFormat.DontCare);

            return (Image)(img);

        }

 

 

public static Image CutForCustomx(string imgPath, Rectangle rec)

{

FileStream fs = new FileStream(imgPath, FileMode.Open, FileAccess.Read);

//从文件获取原始图片，并使用流中嵌入的颜色管理信息 System.Drawing.Image initImage = System.Drawing.Image.FromStream(fs, true);

Bitmap b = new Bitmap(initImage);

Bitmap img = b.Clone(rec, System.Drawing.Imaging.PixelFormat.DontCare);

return (Image)(img);

}

 

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