C# 圖片轉換格式(附檔名)
/// 要儲存的圖片
/// 品質(0~100)
/// 儲存路徑
private void SaveAsJPEG(Image img, int qulity, string path)
{
EncoderParameters myEncoderParameters = new EncoderParameters(1);
EncoderParameter myEncoderParameter = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, qulity);
myEncoderParameters.Param[0] = myEncoderParameter;
img.Save(path, GetEncoder(ImageFormat.Jpeg), myEncoderParameters);
}
///
/// 取得已安裝的影像 Codec 的相關資訊
///
/// System.Drawing.Imaging.ImageFormat
/// System.Drawing.Imaging.ImageCodeInfo
private ImageCodecInfo GetEncoder(ImageFormat format)
{
ImageCodecInfo[] codecs = ImageCodecInfo.GetImageDecoders();
foreach (ImageCodecInfo codec in codecs)
{
if (codec.FormatID == format.Guid)
{
return codec;
}
}
return null;
}
留言
張貼留言