private static MemoryStream JpegDecode2(MemoryStream jpegData)
{
var byteStream = new MemoryStream();
var i = new BitMiracle.LibJpeg.JpegImage(jpegData);
i.WriteBitmap(byteStream);
//using SixLabors.ImageSharp.Image image = SixLabors.ImageSharp.Image.Load(jpegData, new JpegDecoder());
// image.SaveAsBmp(byteStream);
return(byteStream);
}
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 static ImageFactory Optimize(this ImageFactory imageFactory, Stream outStream, Int32 quality = 75)
{
using (MemoryStream ms = new MemoryStream())
{
imageFactory.Save(ms);
ms.Seek(0, SeekOrigin.Begin);
using (BitMiracle.LibJpeg.JpegImage image = new BitMiracle.LibJpeg.JpegImage(ms))
{
image.WriteJpeg(
outStream,
new BitMiracle.LibJpeg.CompressionParameters
{
Quality = quality,
SimpleProgressive = true,
SmoothingFactor = 0
});
}
}
return(imageFactory);
}
private void btn_select_Click(object sender, EventArgs e)
{
string INIT_DIR = @"C:\";
if (File.Exists(Statics.last_opend_directory) == true)
{
INIT_DIR = Statics.last_opend_directory;
}
OpenFileDialog dlg = new OpenFileDialog();
dlg.InitialDirectory = INIT_DIR;
dlg.Title = "Open Image";
dlg.Filter = "jpg files (*.jpg)|*.jpg";
if (dlg.ShowDialog() == DialogResult.OK)
{
Statics.last_opend_directory = dlg.FileName;
try
{
FileInfo fi = new FileInfo(dlg.FileName);
if (fi.Length >= Statics.image_size_limitation * 1000)
{
MBOX MB = new MBOX(" حجم تصوير انتخاب شده باید زیر " + Statics.image_size_limitation + " کیلو بایت باشد ", "ذخيره عکس...", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
BitMiracle.LibJpeg.JpegImage ji = new BitMiracle.LibJpeg.JpegImage(dlg.FileName);
MemoryStream MS2 = new MemoryStream();
ji.WriteJpeg(MS2);
Image X = Image.FromStream(MS2);
byte[] array = MS2.ToArray();
pic_product.Image = X;
lbl_info.Text = (float)array.Length / 1000 + " KB";
}
catch (System.Exception ex)
{
ex = new System.Exception();
MBOX MB = new MBOX("مشکل در بارگذاری تصویر", "خطا...", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
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
}
);
}
