private string compressjpg(string path, int compress)
{
try
{
string dir = Path.GetDirectoryName(path);
string filenamenoext = Path.GetFileNameWithoutExtension(path);
string ext = Path.GetExtension(path).ToLower();
string desPath = dir + "\\" + filenamenoext + "-min" + ext;
BitMiracle.LibJpeg.JpegImage jpeg = new BitMiracle.LibJpeg.JpegImage(path);
BitMiracle.LibJpeg.CompressionParameters p = new BitMiracle.LibJpeg.CompressionParameters();
p.Quality = compress;
p.SmoothingFactor = 50;
p.SimpleProgressive = true;
using (FileStream output = new FileStream(desPath, FileMode.Create)) {
jpeg.WriteJpeg(output, p);
}
//System.Drawing.Image b = System.Drawing.Image.FromFile(path);
//System.Drawing.Imaging.ImageFlags flags = (System.Drawing.Imaging.ImageFlags) Enum.Parse( typeof( System.Drawing.Imaging.ImageFlags ), b.Flags.ToString());
//EncoderParameters encoder = new EncoderParameters(1);
//encoder.Param[0] = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, compress);
//ImageCodecInfo imagecoder = GetEncoderInfo("image/jpeg");
//System.Drawing.Image bitm = System.Drawing.Image.FromFile(path);
// string dir = Path.GetDirectoryName(path);
// string filenamenoext = Path.GetFileNameWithoutExtension(path);
//string ext = Path.GetExtension(path).ToLower();
// string desPath = dir+"\\"+filenamenoext+"-min"+ ext;
// bitm.Save(desPath, imagecoder, encoder);
// bitm.Dispose();
// bitm = null;
return(desPath);
}
catch (Exception ex)
{
return("");
}
}
public Tuple <byte[], SaveResult> GenerateJPEGData()
{
var bmp = GetSelectedImage();
var img = new BitMiracle.LibJpeg.JpegImage(bmp);
var parms = new BitMiracle.LibJpeg.CompressionParameters();
byte[] data = null;
int q = 100;
int maxSize = Properties.Settings.Default.MaxFileSize;
for (; q >= 75 && data == null; q--)
{
parms.Quality = q;
using (var strm = new MemoryStream())
{
img.WriteJpeg(strm, parms);
if (strm.Length < maxSize)
{
data = strm.ToArray();
break;
}
}
}
if (data == null)
{
return(Tuple.Create(new byte[0], new SaveResult {
Success = false
}));
}
return(Tuple.Create(
data,
new SaveResult
{
Success = true,
Dimensions = bmp.Size,
Quality = q,
FileSize = data.Length
}
));
}
public Tuple<byte[], SaveResult> GenerateJPEGData()
{
var bmp = GetSelectedImage();
var img = new BitMiracle.LibJpeg.JpegImage(bmp);
var parms = new BitMiracle.LibJpeg.CompressionParameters();
byte[] data = null;
int q = 100;
int maxSize = Properties.Settings.Default.MaxFileSize;
for (; q >= 75 && data == null; q--)
{
parms.Quality = q;
using (var strm = new MemoryStream())
{
img.WriteJpeg(strm, parms);
if (strm.Length < maxSize)
{
data = strm.ToArray();
break;
}
}
}
if (data == null)
return Tuple.Create(new byte[0], new SaveResult { Success = false });
return Tuple.Create(
data,
new SaveResult
{
Success = true,
Dimensions = bmp.Size,
Quality = q,
FileSize = data.Length
}
);
}
