Shrink a wmf Image : Wmf « 2D « VB.Net

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()
   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

    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
        End If
    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.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
        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
        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.Name = "Form1"
        Me.Text = "MakeMetafile"
        CType(Me.picSmall, System.ComponentModel.ISupportInitialize).EndInit()
        CType(Me.picOrig, System.ComponentModel.ISupportInitialize).EndInit()

    End Sub
    Friend WithEvents picSmall As System.Windows.Forms.PictureBox
    Friend WithEvents picOrig As System.Windows.Forms.PictureBox

End Class


Related examples in the same category

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