VB.Net/2D/Brush

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Brush Demo: color and pattern

<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 BrushesForm()
       Application.Run(myform)
   End Sub

End Class Public Class BrushesForm

   Inherits System.Windows.Forms.Form
  1. 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()
       "
       "BrushesForm
       "
       Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
       Me.ClientSize = New System.Drawing.Size(292, 266)
       Me.Name = "BrushesForm"
       Me.Text = "Form1"
   End Sub
  1. End Region
   Enum LinearGradientMode
       BackwardDiagonal
       ForwardDiagonal
       Horizontal
       Vertical
   End Enum
   Private Sub BrushesForm_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 / 5
       Dim whiteBrush As Brush = System.Drawing.Brushes.White
       Dim blackBrush As Brush = System.Drawing.Brushes.Black
       Dim b As Brush = New SolidBrush(Color.DarkBlue)
       g.FillRectangle(b, x, y, width, height)
       g.DrawString(b.ToString(), Me.Font, whiteBrush, x, y)
       y = y + height

" Dim file As String = "mp" " b = New TextureBrush(New Bitmap(file)) " g.FillRectangle(b, x, y, width, height) " g.DrawString(b.ToString(), Me.Font, whiteBrush, x, y) " y = y + height

       b = New HatchBrush(HatchStyle.Divot, Color.DarkBlue, Color.White)
       g.FillRectangle(b, x, y, width, height)
       g.DrawString(b.ToString(), Me.Font, blackBrush, x, y)
       y = y + height
       b = New LinearGradientBrush(New Rectangle(x, y, width, height), Color.DarkBlue, Color.White, 45)
       g.FillRectangle(b, x, y, width, height)
       g.DrawString(b.ToString(), Me.Font, blackBrush, x, y)
       y = y + height
       Dim points As Point() = New Point() {New Point(x, y), New Point(x + width, y), New Point(x + width, y + height), New Point(x, y + height)}
       b = New PathGradientBrush(points)
       g.FillRectangle(b, x, y, width, height)
       g.DrawString(b.ToString(), Me.Font, blackBrush, x, y)
       y = y + height
   End Sub

End Class

      </source>


Color Brush Demo

<source lang="vbnet"> Imports System Imports System.Windows.Forms Imports System.Drawing

Public Class MainClass

 Shared Sub Main()
    Dim form1 As Form1 = new Form1
    Application.Run(form1)
 End Sub
 

End Class Public Class Form1

   Inherits System.Windows.Forms.Form
  1. 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()
   "
   "Form1
   "
   Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
   Me.ClientSize = New System.Drawing.Size(292, 273)
   Me.Name = "Form1"
   Me.Text = "Form1"
 End Sub
  1. End Region
 Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
 End Sub
 Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs)
   Dim G As Graphics = e.Graphics
   "Brushes class
   G.Clear(Color.BurlyWood)
   Dim r As Rectangle = New Rectangle(50, 50, 100, 100)
   Dim b As Brush = Brushes.Crimson
   G.FillRectangle(b, r)
 End Sub

End Class

      </source>


Demo for Solid Brush and Pen

<source lang="vbnet"> Imports System Imports System.Windows.Forms Imports System.Drawing.Text Imports System.Drawing Imports System.Drawing.Drawing2D Public Class MainClass

   Shared Sub Main(ByVal args As String())
       Dim myform As Form = New Form1()
       Application.Run(myform)
   End Sub

End Class

Public Class Form1

   Private Sub Form1_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles MyBase.Paint
       Dim rect As New Rectangle(10, 10, 100, 100)
       Dim circle_brush As New SolidBrush(Color.Orange)
       e.Graphics.FillEllipse(circle_brush, rect)
       Dim circle_pen As New Pen(Color.Blue, 10)
       e.Graphics.DrawEllipse(circle_pen, rect)
   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(564, 209)
       Me.Name = "Form1"
       Me.Text = "Title"
       Me.ResumeLayout(False)
   End Sub

End Class

      </source>


Simplest Texture Brush Example

<source lang="vbnet"> Imports System Imports System.Collections Imports System.Data Imports System.Drawing Imports System.Windows.Forms Imports System.ruponentModel Imports System.Drawing.Drawing2D Imports System.IO Public Class MainClass

   Shared Sub Main()
       Dim form1 As Form = New Form1
       Application.Run(form1)
   End Sub

End Class

Public Class Form1

   Inherits System.Windows.Forms.Form
  1. 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()
       "
       "TextureBrushExample
       "
       Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
       Me.ClientSize = New System.Drawing.Size(292, 266)
       Me.Name = "TextureBrushExample"
       Me.Text = "TextureBrush Example"
   End Sub
  1. End Region
   Private Sub TextureBrushExample_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles MyBase.Paint
       Dim MyBrush As New TextureBrush(Image.FromFile("figure2.bmp"))
       e.Graphics.FillRectangle(MyBrush, e.Graphics.ClipBounds)
   End Sub

End Class

      </source>


Solid Blue Brushes

<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 MyBase.Paint
       Dim blue_brush As Brush = Brushes.Blue
       e.Graphics.FillRectangle(blue_brush, 10, 120, 200, 100)
   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>


Solide Red Brushes

<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 MyBase.Paint
       Dim red_brush As New SolidBrush(Color.Red)
       e.Graphics.FillRectangle(red_brush, 10, 10, 200, 100)
   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>