Fill an ellipse setting CenterColor and SurroundColors : PathGradientBrush « 2D Graphics « VB.Net Tutorial






Fill an ellipse setting CenterColor and SurroundColors
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
Imports System.Math

public class PathGradientBrushesCenterColorSurroundColors
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class

public class Form1
  Inherits System.Windows.Forms.Form

  Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs)
        Dim x As Integer = 10
        Dim y As Integer = 10
        Dim wid As Integer = 100
        Dim hgt As Integer = 50

        Dim rect_pts() As Point = { _
            New Point(x, y), _
            New Point(x + wid, y), _
            New Point(x + wid, y + hgt), _
            New Point(x, y + hgt) _
        }
        Dim path_brush As New PathGradientBrush(rect_pts)

        Dim ellipse_path As New GraphicsPath
        ellipse_path.AddEllipse(x, y, wid, hgt)
        path_brush = New PathGradientBrush(ellipse_path)
        path_brush.CenterColor = Color.White
        path_brush.SurroundColors = New Color() {Color.Black}
        e.Graphics.FillEllipse(path_brush, x, y, wid, hgt)

    End Sub


  Public Sub New()
   
    MyBase.New()
    Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
    Me.ClientSize = New System.Drawing.Size(292, 273)
    Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen

  End Sub

End Class








17.58.PathGradientBrush
17.58.1.Create PathGradientBrushCreate PathGradientBrush
17.58.2.Fill a rectangle with PathGradientBrushFill a rectangle with PathGradientBrush
17.58.3.Fill an ellipse setting CenterColor and SurroundColorsFill an ellipse setting CenterColor and SurroundColors
17.58.4.Fill an ellipse using SetBlendTriangularShapeFill an ellipse using SetBlendTriangularShape
17.58.5.Fill an ellipse using SetSigmaBellShapeFill an ellipse using SetSigmaBellShape
17.58.6.Triangular PathGradientBrushTriangular PathGradientBrush
17.58.7.Quad PathGradientBrushQuad PathGradientBrush
17.58.8.Diamond PathGradientBrushDiamond PathGradientBrush
17.58.9.PathGradientBrush by GraphicsPathPathGradientBrush by GraphicsPath
17.58.10.PathGradientBrush and its SurroundColorsPathGradientBrush and its SurroundColors
17.58.11.Transform PathGradientBrushTransform PathGradientBrush
17.58.12.PathGradientBrush.SurroundColorsPathGradientBrush.SurroundColors
17.58.13.PathGradientBrush.BlendPathGradientBrush.Blend
17.58.14.PathGradientBrush.InterpolationColorsPathGradientBrush.InterpolationColors