public bool UseDPI { get; set; }
true to use the DPI, false to keep the normal behavior.
Using the DPI means that the program will take the X and Y resolution of the image into account when painting the image. It will take the X and Y resolution of the screen as well.
using Leadtools;
using Leadtools.Dicom;
using Leadtools.Medical3D;
using Leadtools.Codecs;
using Leadtools.MedicalViewer;
using Leadtools.ImageProcessing;
using Leadtools.ImageProcessing.Core;
using Leadtools.ImageProcessing.Color;
using Leadtools.Annotations.Engine;
using Leadtools.Annotations.Designers;
class MedicalViewerUseDPIForm : Form
{
private MedicalViewer _medicalViewer;
private MedicalViewerSeriesManager _seriesManager;
void MedicalViewerLocalizer_SizeChanged(object sender, EventArgs e)
{
_medicalViewer.Size = new Size(this.ClientRectangle.Right, this.ClientRectangle.Bottom);
}
public MedicalViewerUseDPIForm(MedicalViewerSeriesManager output)
{
DicomEngine.Startup();
RasterCodecs _codecs = new RasterCodecs();
this.SizeChanged += new EventHandler(MedicalViewerLocalizer_SizeChanged);
// Create the medical viewer and adjust the size and the location.
_medicalViewer = new MedicalViewer(1, 2);
_medicalViewer.Location = new Point(0, 0);
_medicalViewer.Size = new Size(this.ClientRectangle.Right, this.ClientRectangle.Bottom);
_seriesManager = output;
MedicalViewerMultiCell cell = new MedicalViewerMultiCell(null, true, 1, 1);
int index;
int count = output.Stacks[0].Items.Count;
CodecsImageInfo codecsInformation;
MedicalViewerImageInformation[] imageInformation = new MedicalViewerImageInformation[count];
for (index = 0; index < count; index++)
{
codecsInformation = _codecs.GetInformation((string)(output.Stacks[0].Items[index].Data), true);
imageInformation[index] = new MedicalViewerImageInformation();
imageInformation[index].ImageHeight = codecsInformation.Width;
imageInformation[index].ImageWidth = codecsInformation.Width;
imageInformation[index].XResolution = codecsInformation.XResolution;
imageInformation[index].YResolution = codecsInformation.YResolution;
}
cell.FramesRequested += new EventHandler<MedicalViewerRequestedFramesInformationEventArgs>(cell_FramesRequested);
FormClosing += new FormClosingEventHandler(MedicalViewerLocalizer_FormClosing);
cell.EnableLowMemoryUsage(2, count, imageInformation);
cell.FitImageToCell = false;
// add some actions that will be used to change the properties of the images inside the control.
cell.AddAction(MedicalViewerActionType.WindowLevel);
cell.AddAction(MedicalViewerActionType.Alpha);
cell.AddAction(MedicalViewerActionType.Offset);
cell.CellMouseClick += new EventHandler<MedicalViewerCellMouseEventArgs>(cell_CellMouseClick);
// assign the added actions to a mouse button, meaning that when the user clicks and drags the mouse button, the associated action will be activated.
cell.SetAction(MedicalViewerActionType.WindowLevel, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active);
cell.SetAction(MedicalViewerActionType.Alpha, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active);
cell.SetAction(MedicalViewerActionType.Offset, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.Active);
cell.ReferenceLine.Enabled = true;
cell.ReferenceLine.Color = Color.Yellow;
cell.ShowCellBoundaries = true;
_medicalViewer.Cells.Add(cell);
// adjust some properties of the cell and add some tags.
_medicalViewer.Cells[0].SetTag(2, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.UserData, "EX. ID 230-36-5448");
_medicalViewer.Cells[0].SetTag(4, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Frame);
_medicalViewer.Cells[0].SetTag(6, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Scale);
_medicalViewer.Cells[0].SetTag(2, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.WindowLevelData);
_medicalViewer.Cells[0].SetTag(1, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.FieldOfView);
cell.PixelSpacing = output.Stacks[0].PixelSpacing;
for (index = 0; index < count; index++)
{
cell.SetImagePosition(index, output.Stacks[0].Items[index].ImagePosition, (index == count - 1));
}
cell.ImageOrientation = output.Stacks[0].Items[0].ImageOrientationArray;
cell.FrameOfReferenceUID = output.Stacks[0].Items[0].FrameOfReferenceUID;
Controls.Add(_medicalViewer);
_medicalViewer.Dock = DockStyle.Fill;
DicomEngine.Shutdown();
}
void cell_CellMouseClick(object sender, MedicalViewerCellMouseEventArgs e)
{
// This is used to switch between displaying the image using the DPI of the image relative to the DPI of the screen, or displaying it noramlly.
((MedicalViewerCell)sender).UseDPI = !((MedicalViewerCell)sender).UseDPI;
}
void MedicalViewerLocalizer_FormClosing(object sender, FormClosingEventArgs e)
{
}
void cell_FramesRequested(object sender, MedicalViewerRequestedFramesInformationEventArgs e)
{
MedicalViewerMultiCell cell = (MedicalViewerMultiCell)(sender);
RasterCodecs _codecs = new RasterCodecs();
int i;
RasterImage image;
string fileName;
if (e.RequestedFramesIndexes.Length > 0)
{
fileName = (string)(_seriesManager.Stacks[0].Items[e.RequestedFramesIndexes[0]].Data);
image = _codecs.Load(fileName);
}
else
return;
for (i = 1; i < e.RequestedFramesIndexes.Length; i++)
{
fileName = (string)(_seriesManager.Stacks[0].Items[e.RequestedFramesIndexes[i]].Data);
image.AddPage(_codecs.Load(fileName));
}
cell.SetRequestedImage(image, e.RequestedFramesIndexes, MedicalViewerSetImageOptions.Insert);
}
public MedicalViewer Viewer
{
get { return _medicalViewer; }
}
}
MedicalViewerUseDPIForm GetMedicalViewerUseDPIForm()
{
MedicalViewerSeriesManagerFrom form = new MedicalViewerSeriesManagerFrom();
MedicalViewerSeriesManager output = form.LoadJamesHead();
return new MedicalViewerUseDPIForm(output);
}
// This example changes the default window level value by decrease the width by 100. Then resets the images based on the new value.
public void MedicalViewerUseDPIExample()
{
MedicalViewerUseDPIForm myForm = GetMedicalViewerUseDPIForm();
MedicalViewer medicalViewer = myForm.Viewer;
myForm.ShowDialog();
}
Help Collections
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