GetDisplayedClippedImageRectangle Method (original) (raw)
Summary
Gets the System.Drawing.Rectangle that represents the part of the cell or sub-cell that is occupied by the image.
Syntax
public Rectangle GetDisplayedClippedImageRectangle() public:
Rectangle GetDisplayedClippedImageRectangle();
Return Value
A System.Drawing.Rectangle that represents the part of the cell or sub-cell that is occupied by the image.
Example
using Leadtools;
using Leadtools.Codecs;
using Leadtools.MedicalViewer;
public void GetDisplayedClippedImageRectangle()
{
GetDispalyedClippedImageRectangleMainForm form = new GetDispalyedClippedImageRectangleMainForm();
form.ShowDialog();
}
// GetDispalyedClippedImageRectangleMainForm will be the owner of the medical viewer control.
class GetDispalyedClippedImageRectangleMainForm : Form
{
public MedicalViewer _medicalViewer;
void MedicalViewerForm_SizeChanged(object sender, EventArgs e)
{
_medicalViewer.Size = new Size(this.ClientRectangle.Right, this.ClientRectangle.Bottom);
}
public GetDispalyedClippedImageRectangleMainForm()
{
RasterCodecs _codecs = new RasterCodecs();
RasterImage _image;
// Create the medical viewer and adjust some properties.
_medicalViewer = new MedicalViewer();
_medicalViewer.Rows = 2;
_medicalViewer.Columns = 1;
_medicalViewer.Location = new Point(0, 0);
_medicalViewer.Size = new Size(this.ClientRectangle.Right, this.ClientRectangle.Bottom);
// Load an image and then add it to the control.
_image = _codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "image2.cmp"));
MedicalViewerMultiCell cell = new MedicalViewerMultiCell(_image, true, 1, 1);
// add some actions that will be used to change the properties of the images inside the control.
cell.AddAction(MedicalViewerActionType.Scale);
cell.AddAction(MedicalViewerActionType.Offset);
// 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.Offset, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.Active);
cell.SetAction(MedicalViewerActionType.Scale, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active);
cell.SetTag(1, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.UserData);
cell.UIChanged += new EventHandler<MedicalViewerUIChangedEventArgs>(Viewer_UIChanged);
_medicalViewer.Cells.Add(cell);
Controls.Add(_medicalViewer);
_medicalViewer.Dock = DockStyle.Fill;
}
void Viewer_UIChanged(object sender, MedicalViewerUIChangedEventArgs e)
{
MedicalViewerMultiCell cell = (MedicalViewerMultiCell)sender;
if (e.ActionType == MedicalViewerActionType.Offset || e.ActionType == MedicalViewerActionType.Scale)
{
Rectangle theClippedRectangle = cell.GetDisplayedClippedImageRectangle();
Rectangle ImageRectangle = cell.GetDisplayedImageRectangle();
int Ratio = (theClippedRectangle.Width * theClippedRectangle.Height) * 1000 / (ImageRectangle.Width * ImageRectangle.Height);
double doubleRatio = Ratio / 1000.0;
MedicalViewerTagInformation info = new MedicalViewerTagInformation(1, MedicalViewerTagAlignment.BottomLeft, "Area of the image visible is " + (doubleRatio * 100).ToString() + "% of the whole image", MedicalViewerTagType.UserData);
_medicalViewer.Cells[e.CellIndex].EditTag(1, MedicalViewerTagAlignment.BottomLeft, info);
}
}
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images";
}