public void Save(Stream stream, AzosImageFormat format)
{
var(codec, pars) = getEncoder(format);
using (var copy = makeSaveCopy())
copy.Save(stream, codec, pars);
}
private (ImageCodecInfo codec, EncoderParameters pars) getEncoder(AzosImageFormat format)
{
ImageCodecInfo codec;
EncoderParameters pars;
if (format is BitmapImageFormat)
{
codec = ImageCodecInfo.GetImageEncoders().First(c => c.FormatID == System.Drawing.Imaging.ImageFormat.Bmp.Guid);
pars = new EncoderParameters(1);
pars.Param[0] = new EncoderParameter(Encoder.ColorDepth, format.Colors);
}
else if (format is PngImageFormat)
{
codec = ImageCodecInfo.GetImageEncoders().First(c => c.FormatID == System.Drawing.Imaging.ImageFormat.Png.Guid);
pars = null;//new EncoderParameters(0);
}
else if (format is GifImageFormat)
{
codec = ImageCodecInfo.GetImageEncoders().First(c => c.FormatID == System.Drawing.Imaging.ImageFormat.Gif.Guid);
pars = null;//new EncoderParameters(0);
}
else//default is JPEG
{
var jpeg = format as JpegImageFormat;
codec = ImageCodecInfo.GetImageEncoders().First(c => c.FormatID == System.Drawing.Imaging.ImageFormat.Jpeg.Guid);
pars = new EncoderParameters(1);
pars.Param[0] = new EncoderParameter(Encoder.Quality, jpeg?.Quality ?? 80L);
}
return(codec : codec, pars : pars);
}
public void Save(string fileName, AzosImageFormat format)
{
var(codec, pars) = getEncoder(format);
using (var copy = makeSaveCopy())
copy.Save(fileName, codec, pars);
}
public byte[] Save(AzosImageFormat format)
{
using (var ms = new MemoryStream())
{
this.Save(ms, format);
return(ms.ToArray());
}
}