我想保存加载到图片框中的图片以进行流式传输。当我以 png 格式保存时,它可以正常工作,但是当我想以其他格式保存时,我得到 p>
A Generic error occured in GDI + exception
这是我的代码:
Image Img = pictureBox1.Image;
byte[] inputImage = new byte[Img.Width * Img.Height];
System.IO.MemoryStream ms = new System.IO.MemoryStream();
ms.Read(inputImage, 0, Img.Width * Img.Height);
if (System.Drawing.Imaging.ImageFormat.Jpeg.Equals(Img.RawFormat))
{
pictureBox1.Image.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
}
else if (System.Drawing.Imaging.ImageFormat.Gif.Equals(Img.RawFormat))
{
ms.Seek(0, SeekOrigin.Begin);
pictureBox1.Image.Save(ms, System.Drawing.Imaging.ImageFormat.Gif);
}
else if (System.Drawing.Imaging.ImageFormat.Png.Equals(Img.RawFormat))
{
pictureBox1.Image.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
}
else if (System.Drawing.Imaging.ImageFormat.Bmp.Equals(Img.RawFormat))
{
pictureBox1.Image.Save(ms, System.Drawing.Imaging.ImageFormat.Bmp);
}
最佳答案
试试这个方法:
public Stream ImageToStream(Image image, System.Drawing.Imaging.ImageFormat format)
{
MemoryStream ms = new MemoryStream();
image.Save(ms, format);
return ms;
}
并使用它:
using(Stream stream = ImageToStream(pictureBox1.Image,
System.Drawing.Imaging.ImageFormat.Gif))
{
...
}
关于c# - 以流格式保存图片框中的图像,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/14028315/