TranslateTransform Demo
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 device_rect As New Rectangle(50, 50, 150, 150) e.Graphics.DrawRectangle(Pens.Black, device_rect) Dim world_rect As New Rectangle(0, 0, 1, 1) MapRectangles(e.Graphics, world_rect, device_rect) DrawSmiley(e.Graphics) End Sub Private Sub DrawSmiley(ByVal gr As Graphics) Dim the_pen As New Pen(Color.Black, 0) gr.FillEllipse(Brushes.Yellow, 0, 0, 1, 1) ' Face. gr.DrawEllipse(the_pen, 0, 0, 10, 10) End Sub ' Map a world coordinate rectangle to a device coordinate rectangle. Private Sub MapRectangles(ByVal gr As Graphics, ByVal world_rect As Rectangle, ByVal device_rect As Rectangle) gr.ResetTransform() gr.TranslateTransform( _ CSng(-(world_rect.X + world_rect.Width / 2)), _ CSng(-(world_rect.Y + world_rect.Height / 2)), _ MatrixOrder.Append) End Sub End Class <Global.Microsoft.VisualBasic.CompilerServices.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.ComponentModel.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
1. | Combine TranslateTransform and ScaleTransform | ||
2. | TranslateTransform: Draw Ellipse Path | ||
3. | Path Transform Matrix Demo | ||
4. | Transform Demo |