AddGeometryToRegion Method
Summary
Creates or updates a LEADTOOLS image region by adding the specified WPF/Silverlight geometry.
Syntax
Parameters
geometry
The WPF/Silverlight geometry to add.
combineMode
The action to take regarding the existing image region, if one is defined.
Example
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing;
using Leadtools.Windows.Media;
public void AddGeometryToRegionExample()
{
// Load an image
string srcFileName = Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp");
string dstFileName = Path.Combine(LEAD_VARS.ImagesDir, "Image1_AddGeometryToRegion.jpg");
RasterCodecs codecs = new RasterCodecs();
RasterImage image = codecs.Load(srcFileName);
// We will add an ellipse region to the image
// Using WPF, create an elliptical geometry
// Create the ellipse geometry to add to the Path
EllipseGeometry ellipseGeometry = new EllipseGeometry();
ellipseGeometry.Center = new Point(250, 250);
ellipseGeometry.RadiusX = 200;
ellipseGeometry.RadiusY = 150;
Geometry geometry = ellipseGeometry;
// Add this geometry to the image
RasterRegionConverter.AddGeometryToRegion(image, null, geometry, RasterRegionCombineMode.Set);
// Fill the image with a color
FillCommand cmd = new FillCommand(RasterColor.FromKnownColor(RasterKnownColor.Red));
cmd.Run(image);
// Save it
codecs.Save(image, dstFileName, RasterImageFormat.Jpeg, 24);
image.Dispose();
codecs.Dispose();
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing
Imports Leadtools.Windows.Media
Public Sub AddGeometryToRegionExample()
' Load an image
Dim srcFileName As String = Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp")
Dim dstFileName As String = Path.Combine(LEAD_VARS.ImagesDir, "Image1_AddGeometryToRegion.jpg")
Dim codecs As New RasterCodecs()
Dim image As RasterImage = codecs.Load(srcFileName)
' We will add an ellipse region to the image
' Using WPF, create an elliptical geometry
' Create the ellipse geometry to add to the Path
Dim ellipseGeometry As New EllipseGeometry()
ellipseGeometry.Center = New Point(250, 250)
ellipseGeometry.RadiusX = 200
ellipseGeometry.RadiusY = 150
Dim geometry As Geometry = ellipseGeometry
' Add this geometry to the image
RasterRegionConverter.AddGeometryToRegion(image, Nothing, geometry, RasterRegionCombineMode.Set)
' Fill the image with a color
Dim cmd As New FillCommand(RasterColor.FromKnownColor(RasterKnownColor.Red))
cmd.Run(image)
' Save it
codecs.Save(image, dstFileName, RasterImageFormat.Jpeg, 24)
image.Dispose()
codecs.Dispose()
End Sub
Public NotInheritable Class LEAD_VARS
Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class
