C# 实现图片压缩
2021-07-15 00:15
标签：span 压缩 com util bmp pdo click cin isp 代码： 代码： C# 实现图片压缩 标签：span 压缩 com util bmp pdo click cin isp 原文地址：https://www.cnblogs.com/s0611163/p/9529497.html
private static ImageCodecInfo GetImageCodecInfo(ImageFormat imageFormat)
{
ImageCodecInfo[] imageCodecInfoArr = ImageCodecInfo.GetImageDecoders();
foreach (ImageCodecInfo imageCodecInfo in imageCodecInfoArr)
{
if (imageCodecInfo.FormatID == imageFormat.Guid)
{
return imageCodecInfo;
}
}
return null;
}
MemoryStream ms = HttpUtil.HttpDownloadFile(url);
Bitmap bmp = new Bitmap(ms);
EncoderParameters encoderParameters = new EncoderParameters(1);
EncoderParameter encoderParameter = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 75L);
encoderParameters.Param[0] = encoderParameter;
MemoryStream msCompress = new MemoryStream();
bmp.Save(msCompress, GetImageCodecInfo(ImageFormat.Jpeg), encoderParameters);
Bitmap bmpCompress = new Bitmap(msCompress);
bmpCompress.Save(path);
bmp.Save(path2);
msCompress.Close();
ms.Close();