我有一个System.Drawing.Image屏幕快照文件。我将其转换为bmp,但问题是它制作了32位的bmp,而我需要24位的bmp。如何将其转换为24?
尝试此代码:
public static Bitmap ConvertTo24bpp(Image img) {
var bmp = new Bitmap(img.Width, img.Height, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
using (var gr = Graphics.FromImage(bmp))
gr.DrawImage(img, new Rectangle(0, 0, img.Width, img.Height));
return bmp;
}
答案是thx,但我该如何使用代码?