VB.Net/2D/Brush
Содержание
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
- 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
- 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
- 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
- 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
- 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
- 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>