VB.Net/2D/Gradient
Содержание
- 1 Fill an ellipse setting CenterColor and SurroundColors
- 2 Fill an ellipse using SetBlendTriangularShape
- 3 Fill an ellipse using SetSigmaBellShape
- 4 Gradient Paint
- 5 Linear Brush: draw ellipse filled with a blue-yellow gradient
- 6 Linear Gradient Brushes: A diagonal brush
- 7 Linear Gradient Brushes: Change the brush"s WrapMode
- 8 Linear Gradient Brushes: Color Blend
- 9 Linear Gradient Brushes: Make a brush that makes 50 percent of the color change
- 10 Linear Gradient Brushes: Normal, Triangle, Bell and custom color
- 11 Linear Gradient Brushes: Sigma bell shape
- 12 Linear Gradient Brushes: This brush"s line is too short to cross the whole rectangle
- 13 Linear Gradient Brushes: Trangular brush
- 14 Make a rectangle that shades from black to white
- 15 Path Gradient Brushes: Diamond, Rectangle, Cirlce and quad
- 16 Path Gradient Brush: rectangle
Fill an ellipse setting CenterColor and SurroundColors
<source lang="vbnet"> Imports System.Drawing.Drawing2D Imports System Imports System.Drawing.Text Imports System.Drawing Imports System.Windows.Forms Imports System.Math Public Class MainClass
Shared Sub Main() Dim form1 As Form = New Form1() Application.Run(form1) End Sub
End Class
Public Class Form1
Private Sub Form1_Paint(ByVal sender As Object, _ ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me.Paint Dim x As Integer = 10 Dim y As Integer = 10 Dim wid As Integer = 100 Dim hgt As Integer = 50 " Fill a rectangle. 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) " Fill an ellipse setting CenterColor and SurroundColors. 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
End Class
<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _
Partial Public Class Form1
Inherits System.Windows.Forms.Form "Form overrides dispose to clean up the component list. <System.Diagnostics.DebuggerNonUserCode()> _ Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean) If disposing AndAlso components IsNot Nothing Then components.Dispose() End If MyBase.Dispose(disposing) End Sub "Required by the Windows Form Designer Private components As System.ruponentModel.IContainer "NOTE: The following procedure is required by the Windows Form Designer "It can be modified using the Windows Form Designer. "Do not modify it using the code editor. <System.Diagnostics.DebuggerStepThrough()> _ Private Sub InitializeComponent() Me.SuspendLayout() " "Form1 " Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!) Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font Me.ClientSize = New System.Drawing.Size(200, 200) Me.Name = "Form1" Me.Text = "" Me.ResumeLayout(False) End Sub
End Class
</source>
Fill an ellipse using SetBlendTriangularShape
<source lang="vbnet"> Imports System.Drawing.Drawing2D Imports System Imports System.Drawing.Text Imports System.Drawing Imports System.Windows.Forms Imports System.Math Public Class MainClass
Shared Sub Main() Dim form1 As Form = New Form1() Application.Run(form1) End Sub
End Class
Public Class Form1
Private Sub Form1_Paint(ByVal sender As Object, _ ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me.Paint Dim x As Integer = 10 Dim y As Integer = 10 Dim wid As Integer = 100 Dim hgt As Integer = 50 " Fill a rectangle. 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 " Fill an ellipse using SetBlendTriangularShape. ellipse_path = 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} path_brush.SetBlendTriangularShape(0.5) e.Graphics.FillEllipse(path_brush, x, y, wid, hgt) End Sub
End Class
<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _
Partial Public Class Form1
Inherits System.Windows.Forms.Form "Form overrides dispose to clean up the component list. <System.Diagnostics.DebuggerNonUserCode()> _ Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean) If disposing AndAlso components IsNot Nothing Then components.Dispose() End If MyBase.Dispose(disposing) End Sub "Required by the Windows Form Designer Private components As System.ruponentModel.IContainer "NOTE: The following procedure is required by the Windows Form Designer "It can be modified using the Windows Form Designer. "Do not modify it using the code editor. <System.Diagnostics.DebuggerStepThrough()> _ Private Sub InitializeComponent() Me.SuspendLayout() " "Form1 " Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!) Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font Me.ClientSize = New System.Drawing.Size(200, 200) Me.Name = "Form1" Me.Text = "" Me.ResumeLayout(False) End Sub
End Class
</source>
Fill an ellipse using SetSigmaBellShape
<source lang="vbnet"> Imports System.Drawing.Drawing2D Imports System Imports System.Drawing.Text Imports System.Drawing Imports System.Windows.Forms Imports System.Math Public Class MainClass
Shared Sub Main() Dim form1 As Form = New Form1() Application.Run(form1) End Sub
End Class
Public Class Form1
Private Sub Form1_Paint(ByVal sender As Object, _ ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me.Paint Dim x As Integer = 10 Dim y As Integer = 10 Dim wid As Integer = 100 Dim hgt As Integer = 50 " Fill a rectangle. 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 " Fill an ellipse using SetSigmaBellShape. ellipse_path = 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} path_brush.SetSigmaBellShape(0.5, 1) e.Graphics.FillEllipse(path_brush, x, y, wid, hgt) End Sub
End Class
<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _
Partial Public Class Form1
Inherits System.Windows.Forms.Form "Form overrides dispose to clean up the component list. <System.Diagnostics.DebuggerNonUserCode()> _ Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean) If disposing AndAlso components IsNot Nothing Then components.Dispose() End If MyBase.Dispose(disposing) End Sub "Required by the Windows Form Designer Private components As System.ruponentModel.IContainer "NOTE: The following procedure is required by the Windows Form Designer "It can be modified using the Windows Form Designer. "Do not modify it using the code editor. <System.Diagnostics.DebuggerStepThrough()> _ Private Sub InitializeComponent() Me.SuspendLayout() " "Form1 " Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!) Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font Me.ClientSize = New System.Drawing.Size(200, 200) Me.Name = "Form1" Me.Text = "" Me.ResumeLayout(False) End Sub
End Class
</source>
Gradient Paint
<source lang="vbnet"> Imports System.Drawing Public Class Form1
Inherits System.Windows.Forms.Form Public Sub New() MyBase.New() Me.SuspendLayout() Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.BackColor = System.Drawing.Color.Gainsboro Me.ClientSize = New System.Drawing.Size(400, 182) Me.ResumeLayout(False) End Sub Private Sub Form1_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles MyBase.Paint Dim objBrush As New Drawing2D.LinearGradientBrush(Me.DisplayRectangle, Color.Blue, Color.AliceBlue, Drawing2D.LinearGradientMode.Vertical) Dim objGraphics As Graphics = Me.CreateGraphics() objGraphics.FillRectangle(objBrush, Me.DisplayRectangle) objBrush.Dispose() objGraphics.Dispose() End Sub
End Class
</source>
Linear Brush: draw ellipse filled with a blue-yellow gradient
<source lang="vbnet"> Imports System Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms Imports System.Drawing.Text Public Class MainClass
Shared Sub Main() Dim myform As Form = New FrmDrawShapes() Application.Run(myform) End Sub " Main
End Class
Public Class FrmDrawShapes
Inherits System.Windows.Forms.Form
- Region " Windows Form Designer generated code "
Public Sub New() MyBase.New() "This call is required by the Windows Form Designer. InitializeComponent() "Add any initialization after the InitializeComponent() call End Sub "Form overrides dispose to clean up the component list. Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean) If disposing Then If Not (components Is Nothing) Then components.Dispose() End If End If MyBase.Dispose(disposing) End Sub "Required by the Windows Form Designer Private components As System.ruponentModel.Container "NOTE: The following procedure is required by the Windows Form Designer "It can be modified using the Windows Form Designer. "Do not modify it using the code editor. <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() " "frmDrawShapes " Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.ClientSize = New System.Drawing.Size(520, 197) Me.Name = "frmDrawShapes" Me.Text = "Drawing Shapes" End Sub
- End Region
" draw various shapes on form Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs) " references to object we will use Dim graphicsObject As Graphics = e.Graphics " ellipse rectangle and gradient brush Dim drawArea1 As Rectangle = New Rectangle(5, 35, 30, 100) Dim linearBrush As LinearGradientBrush = _ New LinearGradientBrush(drawArea1, Color.Blue, _ Color.Yellow, LinearGradientMode.ForwardDiagonal) " draw ellipse filled with a blue-yellow gradient graphicsObject.FillEllipse(linearBrush, 5, 30, 65, 100) End Sub " OnPaint
End Class
</source>
Linear Gradient Brushes: A diagonal brush
<source lang="vbnet"> Imports System.Drawing.Drawing2D Imports System Imports System.Drawing.Text Imports System.Drawing Imports System.Windows.Forms Imports System.Math Public Class MainClass
Shared Sub Main() Dim form1 As Form = New Form1() Application.Run(form1) End Sub
End Class
Public Class Form1
Private Sub Form1_Paint(ByVal sender As Object, _ ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me.Paint Dim y As Integer = 10 Dim x As Integer = 10 Dim wid As Integer = 200 Dim hgt As Integer = 50 Dim black_white_brush As New _ LinearGradientBrush( _ New Point(x, y), New Point(x + wid, y), _ Color.Black, Color.White) " A diagonal brush. wid = hgt e.Graphics.DrawString("Diagonal", Me.Font, Brushes.Black, x, y) y += 15 Dim diag_brush As New _ LinearGradientBrush( _ New Point(x, y), New Point(x + wid, y + hgt), _ Color.Black, Color.White) e.Graphics.FillRectangle(diag_brush, _ x, y, wid, hgt) End Sub
End Class
<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _
Partial Public Class Form1
Inherits System.Windows.Forms.Form "Form overrides dispose to clean up the component list. <System.Diagnostics.DebuggerNonUserCode()> _ Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean) If disposing AndAlso components IsNot Nothing Then components.Dispose() End If MyBase.Dispose(disposing) End Sub "Required by the Windows Form Designer Private components As System.ruponentModel.IContainer "NOTE: The following procedure is required by the Windows Form Designer "It can be modified using the Windows Form Designer. "Do not modify it using the code editor. <System.Diagnostics.DebuggerStepThrough()> _ Private Sub InitializeComponent() Me.SuspendLayout() " "Form1 " Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!) Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font Me.ClientSize = New System.Drawing.Size(800, 400) Me.Name = "Form1" Me.Text = "TransformArrow" Me.ResumeLayout(False) End Sub
End Class
</source>
Linear Gradient Brushes: Change the brush"s WrapMode
<source lang="vbnet"> Imports System.Drawing.Drawing2D Imports System Imports System.Drawing.Text Imports System.Drawing Imports System.Windows.Forms Imports System.Math Public Class MainClass
Shared Sub Main() Dim form1 As Form = New Form1() Application.Run(form1) End Sub
End Class
Public Class Form1
Private Sub Form1_Paint(ByVal sender As Object, _ ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me.Paint Dim y As Integer = 10 Dim x As Integer = 10 Dim wid As Integer = 200 Dim hgt As Integer = 50 Dim black_white_brush As New _ LinearGradientBrush( _ New Point(x, y), New Point(x + wid, y), _ Color.Black, Color.White) Dim short_brush As New _ LinearGradientBrush( _ New Point(x, y), New Point(x + 50, y), _ Color.Black, Color.White) " Change the brush"s WrapMode. e.Graphics.DrawString("WrapMode = TileFlipX", Me.Font, Brushes.Black, x, y) y += 15 short_brush.WrapMode = WrapMode.TileFlipX e.Graphics.FillRectangle(short_brush, _ x, y, wid, hgt) End Sub
End Class
<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _
Partial Public Class Form1
Inherits System.Windows.Forms.Form "Form overrides dispose to clean up the component list. <System.Diagnostics.DebuggerNonUserCode()> _ Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean) If disposing AndAlso components IsNot Nothing Then components.Dispose() End If MyBase.Dispose(disposing) End Sub "Required by the Windows Form Designer Private components As System.ruponentModel.IContainer "NOTE: The following procedure is required by the Windows Form Designer "It can be modified using the Windows Form Designer. "Do not modify it using the code editor. <System.Diagnostics.DebuggerStepThrough()> _ Private Sub InitializeComponent() Me.SuspendLayout() " "Form1 " Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!) Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font Me.ClientSize = New System.Drawing.Size(800, 400) Me.Name = "Form1" Me.Text = "TransformArrow" Me.ResumeLayout(False) End Sub
End Class
</source>
Linear Gradient Brushes: Color Blend
<source lang="vbnet"> Imports System.Drawing.Drawing2D Imports System Imports System.Drawing.Text Imports System.Drawing Imports System.Windows.Forms Imports System.Math Public Class MainClass
Shared Sub Main() Dim form1 As Form = New Form1() Application.Run(form1) End Sub
End Class
Public Class Form1
Private Sub Form1_Paint(ByVal sender As Object, _ ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me.Paint Dim y As Integer = 10 Dim x As Integer = 10 Dim wid As Integer = 200 Dim hgt As Integer = 50 Dim black_white_brush As New _ LinearGradientBrush( _ New Point(x, y), New Point(x + wid, y), _ Color.Black, Color.White) " ColorBlend. e.Graphics.DrawString("ColorBlend", Me.Font, Brushes.Black, x, y) y += 15 Dim color_blend As New ColorBlend(3) color_blend.Colors = New Color() {Color.Black, Color.White, Color.Black} color_blend.Positions = New Single() {0.0, 0.2, 1.0} black_white_brush.InterpolationColors = color_blend e.Graphics.FillRectangle(black_white_brush, _ x, y, wid, hgt) End Sub
End Class
<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _
Partial Public Class Form1
Inherits System.Windows.Forms.Form "Form overrides dispose to clean up the component list. <System.Diagnostics.DebuggerNonUserCode()> _ Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean) If disposing AndAlso components IsNot Nothing Then components.Dispose() End If MyBase.Dispose(disposing) End Sub "Required by the Windows Form Designer Private components As System.ruponentModel.IContainer "NOTE: The following procedure is required by the Windows Form Designer "It can be modified using the Windows Form Designer. "Do not modify it using the code editor. <System.Diagnostics.DebuggerStepThrough()> _ Private Sub InitializeComponent() Me.SuspendLayout() " "Form1 " Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!) Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font Me.ClientSize = New System.Drawing.Size(800, 400) Me.Name = "Form1" Me.Text = "TransformArrow" Me.ResumeLayout(False) End Sub
End Class
</source>
Linear Gradient Brushes: Make a brush that makes 50 percent of the color change
<source lang="vbnet"> Imports System.Drawing.Drawing2D Imports System Imports System.Drawing.Text Imports System.Drawing Imports System.Windows.Forms Imports System.Math Public Class MainClass
Shared Sub Main() Dim form1 As Form = New Form1() Application.Run(form1) End Sub
End Class
Public Class Form1
Private Sub Form1_Paint(ByVal sender As Object, _ ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me.Paint Dim y As Integer = 10 Dim x As Integer = 10 Dim wid As Integer = 200 Dim hgt As Integer = 50 Dim black_white_brush As New _ LinearGradientBrush( _ New Point(x, y), New Point(x + wid, y), _ Color.Black, Color.White) " ColorBlend. " Make a brush that makes 50 percent of the color change " in the first 20 percent of the distance, stays there " until 80 percent of the distance, and then finishes " in the remaining distance. e.Graphics.DrawString("Blend", Me.Font, Brushes.Black, x, y) y += 15 Dim the_blend As New Blend(4) the_blend.Factors = New Single() {0.0, 0.5, 0.5, 1.0} the_blend.Positions = New Single() {0.0, 0.2, 0.8, 1.0} black_white_brush.Blend = the_blend e.Graphics.FillRectangle(black_white_brush, _ x, y, wid, hgt) End Sub
End Class
<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _
Partial Public Class Form1
Inherits System.Windows.Forms.Form "Form overrides dispose to clean up the component list. <System.Diagnostics.DebuggerNonUserCode()> _ Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean) If disposing AndAlso components IsNot Nothing Then components.Dispose() End If MyBase.Dispose(disposing) End Sub "Required by the Windows Form Designer Private components As System.ruponentModel.IContainer "NOTE: The following procedure is required by the Windows Form Designer "It can be modified using the Windows Form Designer. "Do not modify it using the code editor. <System.Diagnostics.DebuggerStepThrough()> _ Private Sub InitializeComponent() Me.SuspendLayout() " "Form1 " Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!) Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font Me.ClientSize = New System.Drawing.Size(800, 400) Me.Name = "Form1" Me.Text = "TransformArrow" Me.ResumeLayout(False) End Sub
End Class
</source>
Linear Gradient Brushes: Normal, Triangle, Bell and custom color
<source lang="vbnet"> Imports System Imports System.Collections Imports System.ruponentModel Imports System.Windows.Forms Imports System.Data Imports System.Configuration Imports System.Resources Imports System.Drawing Imports System.Drawing.Drawing2D Public Class MainClass
Shared Sub Main() Dim myform As Form = New LinearGradientBrushesForm() Application.Run(myform) End Sub
End Class Public Class LinearGradientBrushesForm
Inherits System.Windows.Forms.Form
- Region " Windows Form Designer generated code "
Public Sub New() MyBase.New() "This call is required by the Windows Form Designer. InitializeComponent() "Add any initialization after the InitializeComponent() call End Sub "Form overrides dispose to clean up the component list. Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean) If disposing Then If Not (components Is Nothing) Then components.Dispose() End If End If MyBase.Dispose(disposing) End Sub "Required by the Windows Form Designer Private components As System.ruponentModel.IContainer "NOTE: The following procedure is required by the Windows Form Designer "It can be modified using the Windows Form Designer. "Do not modify it using the code editor. <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() components = New System.ruponentModel.Container() Me.Text = "LinearGradientBrushesForm" End Sub
- End Region
Private Sub LinearGradientBrushesForm_Paint(ByVal sender As Object, ByVal e As PaintEventArgs) Handles MyBase.Paint Dim g As Graphics = e.Graphics Dim x As Integer = 0 Dim y As Integer = 0 Dim width As Integer = Me.ClientRectangle.Width Dim height As Integer = Me.ClientRectangle.Height / 4 Dim blackBrush As Brush = Brushes.Black Dim b As LinearGradientBrush = New LinearGradientBrush(Me.ClientRectangle, Color.White, Color.Black, LinearGradientMode.Horizontal) g.FillRectangle(b, x, y, width, height) g.DrawString("Normal", Me.Font, blackBrush, x, y) y = y + height b.SetBlendTriangularShape(0.5) g.FillRectangle(b, x, y, width, height) g.DrawString("Triangle", Me.Font, blackBrush, x, y) y = y + height b.SetSigmaBellShape(0.5) g.FillRectangle(b, x, y, width, height) g.DrawString("Bell", Me.Font, blackBrush, x, y) y = y + height Dim blend As ColorBlend = New ColorBlend() blend.Colors = New Color() {Color.White, Color.Red, Color.Black} blend.Positions = New Single() {0.0, 0.5, 1.0} b.InterpolationColors = blend g.FillRectangle(b, x, y, width, height) g.DrawString("Custom Colors", Me.Font, blackBrush, x, y) y = y + height End Sub
End Class
</source>
Linear Gradient Brushes: Sigma bell shape
<source lang="vbnet"> Imports System.Drawing.Drawing2D Imports System Imports System.Drawing.Text Imports System.Drawing Imports System.Windows.Forms Imports System.Math Public Class MainClass
Shared Sub Main() Dim form1 As Form = New Form1() Application.Run(form1) End Sub
End Class
Public Class Form1
Private Sub Form1_Paint(ByVal sender As Object, _ ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me.Paint Dim y As Integer = 10 Dim x As Integer = 10 Dim wid As Integer = 200 Dim hgt As Integer = 50 Dim black_white_brush As New _ LinearGradientBrush( _ New Point(x, y), New Point(x + wid, y), _ Color.Black, Color.White) " Sigma bell shape. e.Graphics.DrawString("SetSigmaBellShape", Me.Font, Brushes.Black, x, y) y += 15 black_white_brush.SetSigmaBellShape(0.5, 1) e.Graphics.FillRectangle(black_white_brush, _ x, y, wid, hgt) End Sub
End Class
<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _
Partial Public Class Form1
Inherits System.Windows.Forms.Form "Form overrides dispose to clean up the component list. <System.Diagnostics.DebuggerNonUserCode()> _ Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean) If disposing AndAlso components IsNot Nothing Then components.Dispose() End If MyBase.Dispose(disposing) End Sub "Required by the Windows Form Designer Private components As System.ruponentModel.IContainer "NOTE: The following procedure is required by the Windows Form Designer "It can be modified using the Windows Form Designer. "Do not modify it using the code editor. <System.Diagnostics.DebuggerStepThrough()> _ Private Sub InitializeComponent() Me.SuspendLayout() " "Form1 " Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!) Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font Me.ClientSize = New System.Drawing.Size(800, 400) Me.Name = "Form1" Me.Text = "TransformArrow" Me.ResumeLayout(False) End Sub
End Class
</source>
Linear Gradient Brushes: This brush"s line is too short to cross the whole rectangle
<source lang="vbnet"> Imports System.Drawing.Drawing2D Imports System Imports System.Drawing.Text Imports System.Drawing Imports System.Windows.Forms Imports System.Math Public Class MainClass
Shared Sub Main() Dim form1 As Form = New Form1() Application.Run(form1) End Sub
End Class
Public Class Form1
Private Sub Form1_Paint(ByVal sender As Object, _ ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me.Paint Dim y As Integer = 10 Dim x As Integer = 10 Dim wid As Integer = 200 Dim hgt As Integer = 50 Dim black_white_brush As New _ LinearGradientBrush( _ New Point(x, y), New Point(x + wid, y), _ Color.Black, Color.White) " This brush"s line is too short to cross the whole rectangle. e.Graphics.DrawString("Short", Me.Font, Brushes.Black, x, y) y += 15 Dim short_brush As New _ LinearGradientBrush( _ New Point(x, y), New Point(x + 50, y), _ Color.Black, Color.White) e.Graphics.FillRectangle(short_brush, _ x, y, wid, hgt) End Sub
End Class
<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _
Partial Public Class Form1
Inherits System.Windows.Forms.Form "Form overrides dispose to clean up the component list. <System.Diagnostics.DebuggerNonUserCode()> _ Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean) If disposing AndAlso components IsNot Nothing Then components.Dispose() End If MyBase.Dispose(disposing) End Sub "Required by the Windows Form Designer Private components As System.ruponentModel.IContainer "NOTE: The following procedure is required by the Windows Form Designer "It can be modified using the Windows Form Designer. "Do not modify it using the code editor. <System.Diagnostics.DebuggerStepThrough()> _ Private Sub InitializeComponent() Me.SuspendLayout() " "Form1 " Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!) Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font Me.ClientSize = New System.Drawing.Size(800, 400) Me.Name = "Form1" Me.Text = "TransformArrow" Me.ResumeLayout(False) End Sub
End Class
</source>
Linear Gradient Brushes: Trangular brush
<source lang="vbnet"> Imports System.Drawing.Drawing2D Imports System Imports System.Drawing.Text Imports System.Drawing Imports System.Windows.Forms Imports System.Math Public Class MainClass
Shared Sub Main() Dim form1 As Form = New Form1() Application.Run(form1) End Sub
End Class
Public Class Form1
Private Sub Form1_Paint(ByVal sender As Object, _ ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me.Paint Dim y As Integer = 10 Dim x As Integer = 10 Dim wid As Integer = 200 Dim hgt As Integer = 50 Dim black_white_brush As New _ LinearGradientBrush( _ New Point(x, y), New Point(x + wid, y), _ Color.Black, Color.White) " Trangular brush. e.Graphics.DrawString("SetBlendTriangularShape", Me.Font, Brushes.Black, x, y) y += 15 black_white_brush.SetBlendTriangularShape(0.5) e.Graphics.FillRectangle(black_white_brush, _ x, y, wid, hgt) End Sub
End Class
<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _
Partial Public Class Form1
Inherits System.Windows.Forms.Form "Form overrides dispose to clean up the component list. <System.Diagnostics.DebuggerNonUserCode()> _ Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean) If disposing AndAlso components IsNot Nothing Then components.Dispose() End If MyBase.Dispose(disposing) End Sub "Required by the Windows Form Designer Private components As System.ruponentModel.IContainer "NOTE: The following procedure is required by the Windows Form Designer "It can be modified using the Windows Form Designer. "Do not modify it using the code editor. <System.Diagnostics.DebuggerStepThrough()> _ Private Sub InitializeComponent() Me.SuspendLayout() " "Form1 " Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!) Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font Me.ClientSize = New System.Drawing.Size(800, 400) Me.Name = "Form1" Me.Text = "TransformArrow" Me.ResumeLayout(False) End Sub
End Class
</source>
Make a rectangle that shades from black to white
<source lang="vbnet"> Imports System.Drawing.Drawing2D Imports System Imports System.Drawing.Text Imports System.Drawing Imports System.Windows.Forms Imports System.Math Public Class MainClass
Shared Sub Main() Dim form1 As Form = New Form1() Application.Run(form1) End Sub
End Class
Public Class Form1
Private Sub Form1_Paint(ByVal sender As Object, _ ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me.Paint Dim y As Integer = 10 Dim x As Integer = 10 Dim wid As Integer = 200 Dim hgt As Integer = 50 " Make a rectangle that shades from black to white. e.Graphics.DrawString("Simple", Me.Font, Brushes.Black, x, y) y += 15 Dim black_white_brush As New _ LinearGradientBrush( _ New Point(x, y), New Point(x + wid, y), _ Color.Black, Color.White) e.Graphics.FillRectangle(black_white_brush, _ x, y, wid, hgt) y += hgt + 10 End Sub
End Class
<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _
Partial Public Class Form1
Inherits System.Windows.Forms.Form "Form overrides dispose to clean up the component list. <System.Diagnostics.DebuggerNonUserCode()> _ Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean) If disposing AndAlso components IsNot Nothing Then components.Dispose() End If MyBase.Dispose(disposing) End Sub "Required by the Windows Form Designer Private components As System.ruponentModel.IContainer "NOTE: The following procedure is required by the Windows Form Designer "It can be modified using the Windows Form Designer. "Do not modify it using the code editor. <System.Diagnostics.DebuggerStepThrough()> _ Private Sub InitializeComponent() Me.SuspendLayout() " "Form1 " Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!) Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font Me.ClientSize = New System.Drawing.Size(800, 400) Me.Name = "Form1" Me.Text = "TransformArrow" Me.ResumeLayout(False) End Sub
End Class
</source>
Path Gradient Brushes: Diamond, Rectangle, Cirlce and quad
<source lang="vbnet"> Imports System Imports System.Collections Imports System.ruponentModel Imports System.Windows.Forms Imports System.Data Imports System.Configuration Imports System.Resources Imports System.Drawing Imports System.Drawing.Drawing2D Public Class MainClass
Shared Sub Main() Dim myform As Form = New PathGradientBrushesForm() Application.Run(myform) End Sub
End Class Public Class PathGradientBrushesForm
Inherits System.Windows.Forms.Form
- Region " Windows Form Designer generated code "
Public Sub New() MyBase.New() "This call is required by the Windows Form Designer. InitializeComponent() "Add any initialization after the InitializeComponent() call End Sub "Form overrides dispose to clean up the component list. Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean) If disposing Then If Not (components Is Nothing) Then components.Dispose() End If End If MyBase.Dispose(disposing) End Sub "Required by the Windows Form Designer Private components As System.ruponentModel.IContainer "NOTE: The following procedure is required by the Windows Form Designer "It can be modified using the Windows Form Designer. "Do not modify it using the code editor. <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() components = New System.ruponentModel.Container() Me.Text = "PathGradientBrushesForm" End Sub
- End Region
Private Sub PathGradientBrushesForm_Paint(ByVal sender As Object, ByVal e As PaintEventArgs) Handles MyBase.Paint Dim g As Graphics = e.Graphics Dim width As Integer = Me.ClientRectangle.Width / 2 Dim height As Integer = Me.ClientRectangle.Height / 2 Dim triPoints As Point() = New Point() {New Point(width / 2, 0), New Point(0, height), New Point(width, height)} Dim b As PathGradientBrush = New PathGradientBrush(triPoints) b.SurroundColors = New Color() {Color.Red, Color.Blue} Dim x As Integer = 0 Dim y As Integer = 0 g.FillRectangle(b, x, y, width, height) Dim quadPoints As Point() = New Point() {New Point(0, 0), New Point(width, 0), New Point(width, height), New Point(0, height)} b = New PathGradientBrush(quadPoints) b.WrapMode = WrapMode.Tile x = width y = 0 g.FillRectangle(b, x, y, width, height) Dim diamondPoints As Point() = New Point() {New Point(width / 2, 0), New Point(width, height / 2), New Point(width / 2, height), New Point(0, height / 2)} b = New PathGradientBrush(diamondPoints) b.WrapMode = WrapMode.Tile b.CenterPoint = New PointF(0, height / 2) x = 0 y = height g.FillRectangle(b, x, y, width, height) Dim circle As GraphicsPath = New GraphicsPath() circle.AddEllipse(0, 0, width, height) b = New PathGradientBrush(circle) b.WrapMode = WrapMode.Tile b.SurroundColors = New Color() {Color.White} b.CenterColor = Color.Black x = width y = height g.FillRectangle(b, x, y, width, height) End Sub
End Class
</source>
Path Gradient Brush: rectangle
<source lang="vbnet"> Imports System.Drawing.Drawing2D Imports System Imports System.Drawing.Text Imports System.Drawing Imports System.Windows.Forms Imports System.Math Public Class MainClass
Shared Sub Main() Dim form1 As Form = New Form1() Application.Run(form1) End Sub
End Class
Public Class Form1
Private Sub Form1_Paint(ByVal sender As Object, _ ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me.Paint Dim x As Integer = 10 Dim y As Integer = 10 Dim wid As Integer = 100 Dim hgt As Integer = 50 " Fill a rectangle. 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) e.Graphics.FillPolygon(path_brush, rect_pts) y += hgt + 10 End Sub
End Class
<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _
Partial Public Class Form1
Inherits System.Windows.Forms.Form "Form overrides dispose to clean up the component list. <System.Diagnostics.DebuggerNonUserCode()> _ Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean) If disposing AndAlso components IsNot Nothing Then components.Dispose() End If MyBase.Dispose(disposing) End Sub "Required by the Windows Form Designer Private components As System.ruponentModel.IContainer "NOTE: The following procedure is required by the Windows Form Designer "It can be modified using the Windows Form Designer. "Do not modify it using the code editor. <System.Diagnostics.DebuggerStepThrough()> _ Private Sub InitializeComponent() Me.SuspendLayout() " "Form1 " Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!) Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font Me.ClientSize = New System.Drawing.Size(200, 200) Me.Name = "Form1" Me.Text = "" Me.ResumeLayout(False) End Sub
End Class
</source>