请问,我用Bitmap保存图片为jpeg或者bmp的时候图片质量损失的很厉害该如何处理?(在先等待)
小伍老师 2004-02-23 09:57:58 请问,我用Bitmap保存图片为jpeg或者bmp的时候图片质量损失的很厉害该如何处理?(在先等待)
System.Drawing.Bitmap b=new System.Drawing.Bitmap(@"C:\1.jpg",true);
System.Drawing.Graphics graphics=System.Drawing.Graphics.FromImage(b);
System.Drawing.Pen p=new System.Drawing.Pen(System.Drawing.Color.PapayaWhip,7);
graphics.DrawRectangle(p,50,50,100,100);
graphics.Flush();
b.Save(@"C:\11.jpg",System.Drawing.Imaging.ImageFormat.Jpeg);