Converts the curve points to an array of Bezier points.
Syntax
Visual Basic (Declaration) | |
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Public Function ToBezierPoints() As LeadPoint() |
Visual Basic (Usage) | Copy Code |
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Dim instance As RasterCurve
Dim value() As LeadPoint
value = instance.ToBezierPoints() |
Return Value
An array of
LeadPoint values that contain the Bezier points.
Example
This sample draws a smooth closed curve on a graphics that goes through five points.
Visual Basic | Copy Code |
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Public Sub ToBezierPointsExample()
' Define the curve
Dim curve As RasterCurve = New RasterCurve()
curve.Points.Add(New LeadPoint(130, 130))
curve.Points.Add(New LeadPoint(130, 300))
curve.Points.Add(New LeadPoint(230, 230))
curve.Points.Add(New LeadPoint(175, 175))
curve.Points.Add(New LeadPoint(230, 130))
curve.Type = RasterCurveType.Standard
curve.FillMode = LeadFillMode.Winding
curve.Tension = 0.5
curve.Close = RasterCurveClose.Close
' convert this curve into bezier points
Dim bezierPoints As LeadPoint() = curve.ToBezierPoints()
' Draw this curve on a bitmap
Using btmp As New System.Drawing.Bitmap(400, 400)
Using g As System.Drawing.Graphics = System.Drawing.Graphics.FromImage(btmp)
g.FillRectangle(System.Drawing.Brushes.White, New System.Drawing.Rectangle(0, 0, 400, 400))
' Convert the LeadPoint array to a Point array
Dim pts(bezierPoints.Length - 1) As System.Drawing.Point
For i As Integer = 0 To bezierPoints.Length - 1
pts(i) = New System.Drawing.Point(bezierPoints(i).X, bezierPoints(i).Y)
Next
g.DrawBeziers(System.Drawing.Pens.Black, pts)
End Using
' save this image to disk
Dim fileName As String = Path.Combine(LEAD_VARS.ImagesDir, "ToBezierPoints.bmp")
btmp.Save(fileName, System.Drawing.Imaging.ImageFormat.Bmp)
End Using
End Sub
Public NotInheritable Class LEAD_VARS
Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class |
C# | Copy Code |
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public void ToBezierPointsExample()
{
// Define the curve
RasterCurve curve = new RasterCurve();
curve.Points.Add(new LeadPoint(130, 130));
curve.Points.Add(new LeadPoint(130, 300));
curve.Points.Add(new LeadPoint(230, 230));
curve.Points.Add(new LeadPoint(175, 175));
curve.Points.Add(new LeadPoint(230, 130));
curve.Type = RasterCurveType.Standard;
curve.FillMode = LeadFillMode.Winding;
curve.Tension = 0.5;
curve.Close = RasterCurveClose.Close;
// convert this curve into bezier points
LeadPoint[] bezierPoints = curve.ToBezierPoints();
// Draw this curve on a bitmap
using(System.Drawing.Bitmap btmp = new System.Drawing.Bitmap(400, 400))
{
using(System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(btmp))
{
g.FillRectangle(System.Drawing.Brushes.White, new System.Drawing.Rectangle(0, 0, 400, 400));
// Convert the LeadPoint array to a Point array
System.Drawing.Point[] pts = new System.Drawing.Point[bezierPoints.Length];
for(int i = 0; i < bezierPoints.Length; i++)
{
pts[i] = new System.Drawing.Point(bezierPoints[i].X, bezierPoints[i].Y);
}
g.DrawBeziers(System.Drawing.Pens.Black, pts);
}
// save this image to disk
string fileName = Path.Combine(LEAD_VARS.ImagesDir, "ToBezierPoints.bmp");
btmp.Save(fileName, System.Drawing.Imaging.ImageFormat.Bmp);
}
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
} |
SilverlightCSharp | Copy Code |
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SilverlightVB | Copy Code |
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Remarks
Requirements
Target Platforms: Silverlight, Windows XP, Windows Server 2003 family, Windows Server 2008 family, Windows Vista, Windows 7, MAC OS/X (Intel Only), Windows Phone 7
See Also