public static unsafe void RotateFlip(ref ImageAttributes source, RotateFlipType rft)
{
Bitmap bitmap = OtherImageFormats.GetBitmap(source, null, null, false);
bitmap.RotateFlip(rft);
DataSet dicom = OtherImageFormats.GetImage(bitmap);
source.height = bitmap.Height;
source.width = source.stride = bitmap.Width;
Array.Copy((Array)dicom[t.PixelData].Value, source.buffer, source.buffer.Length);
}
public Viewer(FilmBox page)
: this("")
{
try
{
this.dicom = OtherImageFormats.RenderPage(page, PictureBox.Size);
}
catch (Exception ex)
{
MessageBox.Show(Logging.Log(ex));
}
}
private void GetPicture()
{
PictureBox.Location = new Point(0, 0);
PictureBox.Size = ClientRectangle.Size;
ImageAttributes cropped = attributes; // OtherImageFormats.Crop(attributes);
// if the application is minimized, PictureBox.Size has zero dimensions
Size size = PictureBox.Size;
if (size.Width == 0 || size.Height == 0)
{
// when the window is resized, we will render another image for display
PictureBox.Image = null;
return;
}
size = OtherImageFormats.Constrain(new Size(cropped.width, cropped.height), size);
ImageAttributes resampled = (cropped.bitsperpixel == 8) ?
cropped : Utilities.Resample(cropped, (double)attributes.width / (double)size.Width);
ushort[] planes = null;
if (overlays && overlay != null)
{
ImageAttributes source = new ImageAttributes();
source.type = TypeCode.UInt16;
source.buffer = overlay;
source.width = attributes.width;
source.height = attributes.height;
source.stride = attributes.width;
// attributes.spacing = ;
source.bitsperpixel = 12;
source.monochrome1 = true;
ImageAttributes temp = Utilities.Resample(source, (double)attributes.width / (double)size.Width);
planes = (ushort[])temp.buffer;
}
Bitmap bitmap = OtherImageFormats.GetBitmap(resampled, planes, voilut, invert);
Bitmap final = (bitmap.Size != size) ? new Bitmap(bitmap, size) : bitmap;
SurroundMask(final);
PictureBox.Image = final;
}
private void Viewer_Load(object sender, EventArgs e)
{
try
{
// we should either have a filename or dataset
if (filename != null && filename.Length > 0)
{
Cursor.Current = Cursors.WaitCursor;
try
{
dicom = OtherImageFormats.Read(filename);
}
finally
{
SetStatus("");
Cursor.Current = Cursors.Default;
}
}
if (dicom == null)
{
throw new ArgumentException("No filename or dataset.");
}
SetIsCtImage();
SetPixelRepresentation();
voilut = GetVOILUT(dicom.Elements);
attributes = Utilities.GetAttributes(dicom.Elements);
// if the image is large, lets reduce memory consumption and decimate the source
if (attributes.buffer.Length > 20000000)
{
ReduceImage(dicom.Elements);
}
// extract overlays, if any
overlay = ExtractOverlays(dicom.Elements);
overlays = (overlay != null);
GetPicture();
}
catch (Exception ex)
{
MessageBox.Show(Logging.Log(ex));
}
}
private void CropToolStripMenuItem_Click(object sender, EventArgs e)
{
double scale = ScaleFactor;
Rectangle shift = ImageInClient;
rectangle = new Rectangle((int)((rectangle.X - shift.X) / scale), (int)((rectangle.Y - shift.Y) / scale), (int)(rectangle.Width / scale), (int)(rectangle.Height / scale));
attributes.buffer = OtherImageFormats.Crop((short[])attributes.buffer, new Size(attributes.width, attributes.height), rectangle);
attributes.width = (ushort)rectangle.Width;
attributes.height = (ushort)rectangle.Height;
attributes.stride = attributes.width;
start = null;
rectangle = previous = Rectangle.Empty;
GetPicture();
Invalidate();
}
/// <summary>
/// Runs the conversion if configured.
/// </summary>
/// <param name="args">The command line arguments</param>
/// <returns>Returns -1 if not run, 1 if run successfully and a return value of 0 indicates
/// a problem.</returns>
public static int Run(string[] args)
{
int result = -1;
bool attached = false;
try
{
if (Setup(args))
{
if (verbose)
{
AttachConsole();
attached = true;
}
Viewer viewer = new Viewer();
DataSet dicom = OtherImageFormats.Read(input);
viewer.SaveAs(dicom, output, invert, rotation, flip);
result = 0;
}
}
catch (Exception ex)
{
result = 1;
Console.WriteLine(ex.Message);
}
finally
{
if (attached)
{
FreeConsole();
}
}
return(result);
}
public void SaveAs(DataSet dicom, string filename, bool invert, int rotation, bool flip)
{
try
{
if (rotation != 0 || flip)
{
string text = String.Format("Rotate{0}Flip{1}", rotation, (flip) ? "X" : "None");
RotateFlipType rft = (RotateFlipType)Enum.Parse(typeof(RotateFlipType), text);
RotateFlip(dicom, rft);
}
ImageAttributes attributes = Utilities.GetAttributes(dicom.Elements);
ushort[] voilut = GetVOILUT(dicom.Elements);
ushort[] overlays = ExtractOverlays(dicom.Elements);
FileInfo info = new FileInfo(filename);
ImageFormat format = ImageFormat.Bmp;
switch (info.Extension.ToLower())
{
case ".dcm":
dicom.TransferSyntaxUID = Syntax.ExplicitVrLittleEndian;
dicom.Part10Header = true;
dicom.Write(filename);
return;
case ".raw":
filename = String.Format("{0}.{1}.{2}.raw", info.FullName.Replace(info.Extension, ""), attributes.width, attributes.height);
if (File.Exists(filename))
{
DialogResult result = MessageBox.Show("File Exists.\nDo you want to overwrite?", "Dicom Viewer", MessageBoxButtons.YesNo);
if (result == DialogResult.No)
{
return;
}
}
using (FileStream stream = new FileStream(filename, FileMode.Create, FileAccess.Write))
{
EndianBinaryWriter writer = new EndianBinaryWriter(stream, Endian.Little);
writer.WriteWords((short[])dicom[t.PixelData].Value);
}
return;
case ".bmp":
format = ImageFormat.Bmp;
break;
case ".jpg":
format = ImageFormat.Jpeg;
break;
case ".tif":
case ".tiff":
format = ImageFormat.Tiff;
break;
case ".gif":
format = ImageFormat.Gif;
break;
case ".png":
format = ImageFormat.Png;
break;
case ".emf":
format = ImageFormat.Emf;
break;
case ".exif":
format = ImageFormat.Exif;
break;
case ".wmf":
format = ImageFormat.Wmf;
break;
default:
throw new ArgumentException("Unsupported extension");
}
Bitmap bitmap = OtherImageFormats.GetBitmap(attributes, overlays, voilut, invert);
bitmap.Save(filename, format);
}
catch (Exception ex)
{
MessageBox.Show(Logging.Log(ex));
}
}