Shrink a wmf Image
Imports System Imports System.Windows.Forms Imports System.Collections.Generic Imports System.ComponentModel Imports System.Drawing.Imaging 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 Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load Const WID As Integer = 200 Dim file_name As String = "test.wmf" ' Reload the metafile and copy it into a Bitmap. Dim mf As Metafile = New Metafile(file_name) Dim bm As New Bitmap(WID, WID) Dim gr As Graphics = Graphics.FromImage(bm) Dim dest_bounds As New RectangleF(0, 0, WID, WID) Dim source_bounds As New RectangleF(0, 0, WID + 1, WID + 1) gr.ScaleTransform(0.5, 0.5) gr.DrawImage(mf, bounds, source_bounds, GraphicsUnit.Pixel) picOrig.SizeMode = PictureBoxSizeMode.AutoSize picOrig.Image = bm gr.Dispose() mf.Dispose() 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.picSmall = New System.Windows.Forms.PictureBox Me.picOrig = New System.Windows.Forms.PictureBox CType(Me.picSmall, System.ComponentModel.ISupportInitialize).BeginInit() CType(Me.picOrig, System.ComponentModel.ISupportInitialize).BeginInit() Me.SuspendLayout() ' 'picSmall ' Me.picSmall.Location = New System.Drawing.Point(64, 8) Me.picSmall.Name = "picSmall" Me.picSmall.Size = New System.Drawing.Size(32, 24) Me.picSmall.TabIndex = 3 Me.picSmall.TabStop = False ' 'picOrig ' Me.picOrig.Location = New System.Drawing.Point(8, 8) Me.picOrig.Name = "picOrig" Me.picOrig.Size = New System.Drawing.Size(48, 56) Me.picOrig.TabIndex = 2 Me.picOrig.TabStop = False ' 'Form1 ' Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!) Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font Me.ClientSize = New System.Drawing.Size(326, 215) Me.Controls.Add(Me.picSmall) Me.Controls.Add(Me.picOrig) Me.Name = "Form1" Me.Text = "MakeMetafile" CType(Me.picSmall, System.ComponentModel.ISupportInitialize).EndInit() CType(Me.picOrig, System.ComponentModel.ISupportInitialize).EndInit() Me.ResumeLayout(False) End Sub Friend WithEvents picSmall As System.Windows.Forms.PictureBox Friend WithEvents picOrig As System.Windows.Forms.PictureBox End Class
1. | Save an Image to Wmf file format | ||
2. | Create wmf file and draw to it | ||
3. | Read from wmf file and display it on a form |