public int SaveImage(string Path, string path)
{
DirectoryInfo d = new DirectoryInfo(Path);
FileInfo[] files = d.GetFiles();
int i = 1;
foreach (FileInfo f in files)
{
string PathSave = HttpContext.Current.Server.MapPath("~/DicomImage/" + path);
if (!Directory.Exists(PathSave))
{
Directory.CreateDirectory(PathSave);
}
Class.File file = new Class.File();
file.NameFile = f.Name;
file.TypeFile = f.Extension;
DicomDecoder dd = new DicomDecoder();
dd.DicomFileName = f.FullName;
double winCentre = dd.windowCentre;
double winWidth = dd.windowWidth;
int samplesPerPixel = dd.samplesPerPixel;
bool signedImage = dd.signedImage;
int minPixelValue = 1;
int maxPixelValue = 0;
PathSave += i + ".png";
TypeOfDicomFile typeOfDicomFile = dd.typeofDicomFile;
int imageWidth = dd.width;
int imageHeight = dd.height;
bmp = new Bitmap(imageWidth, imageHeight, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
dd.GetPixels8(ref pixels8);
dd.GetPixels16(ref pixels16);
dd.GetPixels24(ref pixels24);
if (pixels8 != null)
{
minPixelValue = pixels8.Min();
maxPixelValue = pixels8.Max();
// Bug fix dated 24 Aug 2013 - for proper window/level of signed images
// Thanks to Matias Montroull from Argentina for pointing this out.
if (dd.signedImage)
{
winCentre -= char.MinValue;
}
if (Math.Abs(winWidth) < 0.001)
{
winWidth = maxPixelValue - minPixelValue;
}
if ((winCentre == 0) ||
(minPixelValue > winCentre) || (maxPixelValue < winCentre))
{
winCentre = (maxPixelValue + minPixelValue) / 2;
}
ResetValues(winWidth, winCentre);
pix8 = pixels8;
ComputeLookUpTable8();
CreateImage8(imageWidth, imageHeight);
}
else if (pixels16 != null)
{
minPixelValue = pixels16.Min();
maxPixelValue = pixels16.Max();
// Bug fix dated 24 Aug 2013 - for proper window/level of signed images
// Thanks to Matias Montroull from Argentina for pointing this out.
if (dd.signedImage)
{
winCentre -= short.MinValue;
}
if (Math.Abs(winWidth) < 0.001)
{
winWidth = maxPixelValue - minPixelValue;
}
if ((winCentre == 0) ||
(minPixelValue > winCentre) || (maxPixelValue < winCentre))
{
winCentre = (maxPixelValue + minPixelValue) / 2;
}
ResetValues(winWidth, winCentre);
pix16 = pixels16;
ComputeLookUpTable16();
CreateImage16(imageWidth, imageHeight);
}
else if (pixels24 != null)
{
minPixelValue = pixels8.Min();
maxPixelValue = pixels8.Max();
// Bug fix dated 24 Aug 2013 - for proper window/level of signed images
// Thanks to Matias Montroull from Argentina for pointing this out.
if (dd.signedImage)
{
winCentre -= char.MinValue;
}
if (Math.Abs(winWidth) < 0.001)
{
winWidth = maxPixelValue - minPixelValue;
}
if ((winCentre == 0) ||
(minPixelValue > winCentre) || (maxPixelValue < winCentre))
{
winCentre = (maxPixelValue + minPixelValue) / 2;
}
ResetValues(winWidth, winCentre);
pix24 = pixels24;
ComputeLookUpTable8();
CreateImage24(imageWidth, imageHeight);
}
i++;
if (bmp != null)
{
bmp.Save(PathSave, ImageFormat.Png);
}
}
return(i);
}
/// <summary>
/// 更换显示图片
/// </summary>
/// <param name="filefullnamimage"></param>
/// <returns></returns>
public Bitmap fB_ChangeImage(string filefullnamimage)
{
dd.DicomFileName = filefullnamimage;
TypeOfDicomFile typeOfDicomFile = dd.typeofDicomFile;
if (typeOfDicomFile == TypeOfDicomFile.Dicom3File ||
typeOfDicomFile == TypeOfDicomFile.DicomOldTypeFile)
{
imageWidth = dd.width;
imageHeight = dd.height;
bitDepth = dd.bitsAllocated;
if (winCD == DBLNULL)
{
winCD = dd.windowCentre;
}
if (winWD == DBLNULL)
{
winWD = dd.windowWidth;
}
//if (winCentreD == DBLNULL) winCentreD = dd.windowCentre;
//if (winWidthD == DBLNULL) winWidthD = dd.windowWidth;
winCentreD = winCD;
winWidthD = winWD;
samplesPerPixel = dd.samplesPerPixel;
signedImage = dd.signedImage;
this.NewImage = true;
if (samplesPerPixel == 1 && bitDepth == 8)
{
pixels8.Clear();
pixels16.Clear();
pixels24.Clear();
dd.GetPixels8(ref pixels8);
minPixelValue = pixels8.Min();
maxPixelValue = pixels8.Max();
// Bug fix dated 24 Aug 2013 - for proper window/level of signed images
// Thanks to Matias Montroull from Argentina for pointing this out.
if (dd.signedImage)
{
winCentreD -= char.MinValue;
}
if (Math.Abs(winWidthD) < 0.001)
{
winWidthD = maxPixelValue - minPixelValue;
}
if ((winCentreD == 0) ||
(minPixelValue > winCentreD) || (maxPixelValue < winCentreD))
{
winCentreD = (maxPixelValue + minPixelValue) / 2;
}
SetParameters(ref pixels8, imageWidth, imageHeight,
winWidthD, winCentreD, samplesPerPixel, true);
}
if (samplesPerPixel == 1 && bitDepth == 16)
{
pixels16.Clear();
pixels8.Clear();
pixels24.Clear();
dd.GetPixels16(ref pixels16);
minPixelValue = pixels16.Min();
maxPixelValue = pixels16.Max();
// Bug fix dated 24 Aug 2013 - for proper window/level of signed images
// Thanks to Matias Montroull from Argentina for pointing this out.
if (dd.signedImage)
{
winCentreD -= short.MinValue;
}
if (Math.Abs(winWidthD) < 0.001)
{
winWidthD = maxPixelValue - minPixelValue;
}
if ((winCentreD == 0) ||
(minPixelValue > winCentreD) || (maxPixelValue < winCentreD))
{
winCentreD = (maxPixelValue + minPixelValue) / 2;
}
Signed16Image = dd.signedImage;
SetParameters(ref pixels16, imageWidth, imageHeight,
winWidthD, winCentreD, true);
}
if (samplesPerPixel == 3 && bitDepth == 8)
{
// This is an RGB colour image
pixels8.Clear();
pixels16.Clear();
pixels24.Clear();
dd.GetPixels24(ref pixels24);
SetParameters(ref pixels24, imageWidth, imageHeight,
winWidthD, winCentreD, samplesPerPixel, true);
}
}
else
{
if (typeOfDicomFile == TypeOfDicomFile.DicomUnknownTransferSyntax)
{
//MessageBox.Show("Sorry, I can't read a DICOM file with this Transfer Syntax.",
// "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
else
{
//MessageBox.Show("Sorry, I can't open this file. " +
// "This file does not appear to contain a DICOM image.",
// "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
//Text = "DICOM Image Viewer: ";
// Show a plain grayscale image instead
try
{
pixels8.Clear();
pixels16.Clear();
pixels24.Clear();
samplesPerPixel = 1;
imageWidth = this.Width - 25; // 25 is a magic number
imageHeight = this.Height - 25; // Same magic number
int iNoPix = imageWidth * imageHeight;
for (int i = 0; i < iNoPix; ++i)
{
pixels8.Add(240);// 240 is the grayvalue corresponding to the Control colour
}
winWidthD = 256;
winCentreD = 127;
this.SetParameters(ref pixels8, imageWidth, imageHeight,
winWidthD, winCentreD, samplesPerPixel, true);
}
catch (Exception)
{ }
//this.Invalidate();
}
//fv_BitMapCopy(ref btmtmp, bmp); //复制图片
//fv_ImageWriter(ref btmtmp,ddlist.Count-1); //添加文字
fv_ImageWriter(ref bmp);
ComputeScrollBarParameters();//显示位置
return(bmp);
}
private void ReadAndDisplayDicomFile(string fileName, string fileNameOnly)
{
dd.DicomFileName = fileName;
TypeOfDicomFile typeOfDicomFile = dd.typeofDicomFile;
if (typeOfDicomFile == TypeOfDicomFile.Dicom3File ||
typeOfDicomFile == TypeOfDicomFile.DicomOldTypeFile)
{
imageWidth = dd.width;
imageHeight = dd.height;
bitDepth = dd.bitsAllocated;
winCentre = dd.windowCentre;
winWidth = dd.windowWidth;
samplesPerPixel = dd.samplesPerPixel;
signedImage = dd.signedImage;
label1.Visible = true;
label2.Visible = true;
label3.Visible = true;
label4.Visible = true;
bnSave.Enabled = true;
bnTags.Enabled = true;
bnResetWL.Enabled = true;
label2.Text = imageWidth.ToString() + " X " + imageHeight.ToString();
if (samplesPerPixel == 1)
{
label4.Text = bitDepth.ToString() + " bit";
}
else
{
label4.Text = bitDepth.ToString() + " bit, " + samplesPerPixel +
" samples per pixel";
}
imagePanelControl.NewImage = true;
Text = "DICOM Image Viewer: " + fileNameOnly;
if (samplesPerPixel == 1 && bitDepth == 8)
{
pixels8.Clear();
pixels16.Clear();
pixels24.Clear();
dd.GetPixels8(ref pixels8);
// This is primarily for debugging purposes,
// to view the pixel values as ascii data.
//if (true)
//{
// System.IO.StreamWriter file = new System.IO.StreamWriter(
// "C:\\imageSigned.txt");
// for (int ik = 0; ik < pixels8.Count; ++ik)
// file.Write(pixels8[ik] + " ");
// file.Close();
//}
minPixelValue = pixels8.Min();
maxPixelValue = pixels8.Max();
// Bug fix dated 24 Aug 2013 - for proper window/level of signed images
// Thanks to Matias Montroull from Argentina for pointing this out.
if (dd.signedImage)
{
winCentre -= char.MinValue;
}
if (Math.Abs(winWidth) < 0.001)
{
winWidth = maxPixelValue - minPixelValue;
}
if ((winCentre == 0) ||
(minPixelValue > winCentre) || (maxPixelValue < winCentre))
{
winCentre = (maxPixelValue + minPixelValue) / 2;
}
imagePanelControl.SetParameters(ref pixels8, imageWidth, imageHeight,
winWidth, winCentre, samplesPerPixel, true, this);
}
if (samplesPerPixel == 1 && bitDepth == 16)
{
pixels16.Clear();
pixels8.Clear();
pixels24.Clear();
dd.GetPixels16(ref pixels16);
// This is primarily for debugging purposes,
// to view the pixel values as ascii data.
//if (true)
//{
// System.IO.StreamWriter file = new System.IO.StreamWriter(
// "C:\\imageSigned.txt");
// for (int ik = 0; ik < pixels16.Count; ++ik)
// file.Write(pixels16[ik] + " ");
// file.Close();
//}
minPixelValue = pixels16.Min();
maxPixelValue = pixels16.Max();
// Bug fix dated 24 Aug 2013 - for proper window/level of signed images
// Thanks to Matias Montroull from Argentina for pointing this out.
if (dd.signedImage)
{
winCentre -= short.MinValue;
}
if (Math.Abs(winWidth) < 0.001)
{
winWidth = maxPixelValue - minPixelValue;
}
if ((winCentre == 0) ||
(minPixelValue > winCentre) || (maxPixelValue < winCentre))
{
winCentre = (maxPixelValue + minPixelValue) / 2;
}
imagePanelControl.Signed16Image = dd.signedImage;
imagePanelControl.SetParameters(ref pixels16, imageWidth, imageHeight,
winWidth, winCentre, true, this);
}
if (samplesPerPixel == 3 && bitDepth == 8)
{
// This is an RGB colour image
pixels8.Clear();
pixels16.Clear();
pixels24.Clear();
dd.GetPixels24(ref pixels24);
// This code segment is primarily for debugging purposes,
// to view the pixel values as ascii data.
//if (true)
//{
// System.IO.StreamWriter file = new System.IO.StreamWriter(
// "C:\\image24.txt");
// for (int ik = 0; ik < pixels24.Count; ++ik)
// file.Write(pixels24[ik] + " ");
// file.Close();
//}
imagePanelControl.SetParameters(ref pixels24, imageWidth, imageHeight,
winWidth, winCentre, samplesPerPixel, true, this);
}
}
else
{
if (typeOfDicomFile == TypeOfDicomFile.DicomUnknownTransferSyntax)
{
MessageBox.Show("Sorry, I can't read a DICOM file with this Transfer Syntax.",
"Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
else
{
MessageBox.Show("Sorry, I can't open this file. " +
"This file does not appear to contain a DICOM image.",
"Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
Text = "DICOM Image Viewer: ";
// Show a plain grayscale image instead
pixels8.Clear();
pixels16.Clear();
pixels24.Clear();
samplesPerPixel = 1;
imageWidth = imagePanelControl.Width - 25; // 25 is a magic number
imageHeight = imagePanelControl.Height - 25; // Same magic number
int iNoPix = imageWidth * imageHeight;
for (int i = 0; i < iNoPix; ++i)
{
pixels8.Add(240);// 240 is the grayvalue corresponding to the Control colour
}
winWidth = 256;
winCentre = 127;
imagePanelControl.SetParameters(ref pixels8, imageWidth, imageHeight,
winWidth, winCentre, samplesPerPixel, true, this);
imagePanelControl.Invalidate();
label1.Visible = false;
label2.Visible = false;
label3.Visible = false;
label4.Visible = false;
bnSave.Enabled = false;
bnTags.Enabled = false;
bnResetWL.Enabled = false;
}
}