Scale image with different Graphics Units : Image Operation « 2D Graphics « VB.Net Tutorial

Home
VB.Net Tutorial
1.Language Basics
2.Data Type
3.Operator
4.Statements
5.Date Time
6.Class Module
7.Development
8.Collections
9.Generics
10.Attributes
11.Event
12.LINQ
13.Stream File
14.GUI
15.GUI Applications
16.Windows Presentation Foundation
17.2D Graphics
18.I18N Internationlization
19.Reflection
20.Regular Expressions
21.Security
22.Socket Network
23.Thread
24.Windows
25.XML
26.Database ADO.net
27.Design Patterns
VB.Net
VB.Net by API
VB.Net Tutorial » 2D Graphics » Image Operation 
17.49.5.Scale image with different Graphics Units
Scale image with different Graphics Units
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
Imports System.Drawing.Imaging

public class ScalingClippingUnit
   public Shared Sub Main
        Application.Run(New ScalingClippingForm)
   End Sub
End class


Public Class ScalingClippingForm
    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
        Me.SetStyle(ControlStyles.ResizeRedraw, True)
        Me.SetStyle(ControlStyles.DoubleBuffer, True)
        Me.SetStyle(ControlStyles.AllPaintingInWmPaint, True)
    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 NothingThen
                components.Dispose()
            End If
        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.
    Friend WithEvents splitter1 As System.Windows.Forms.Splitter
    Friend WithEvents groupBox1 As System.Windows.Forms.GroupBox
    Friend WithEvents panel1 As System.Windows.Forms.Panel
    Friend WithEvents groupBox2 As System.Windows.Forms.GroupBox
    Friend WithEvents panel2 As System.Windows.Forms.Panel
    <System.Diagnostics.DebuggerStepThrough()Private Sub InitializeComponent()
        Me.splitter1 = New System.Windows.Forms.Splitter()
        Me.groupBox1 = New System.Windows.Forms.GroupBox()
        Me.panel1 = New System.Windows.Forms.Panel()
        Me.groupBox2 = New System.Windows.Forms.GroupBox()
        Me.panel2 = New System.Windows.Forms.Panel()
        Me.groupBox1.SuspendLayout()
        Me.groupBox2.SuspendLayout()
        Me.SuspendLayout()
        '
        'splitter1
        '
        Me.splitter1.Location = New System.Drawing.Point(1840)
        Me.splitter1.Name = "splitter1"
        Me.splitter1.Size = New System.Drawing.Size(3182)
        Me.splitter1.TabIndex = 4
        Me.splitter1.TabStop = False
        '
        'groupBox1
        '
        Me.groupBox1.Controls.AddRange(New System.Windows.Forms.Control() {Me.panel1})
        Me.groupBox1.Dock = System.Windows.Forms.DockStyle.Left
        Me.groupBox1.Name = "groupBox1"
        Me.groupBox1.Size = New System.Drawing.Size(184182)
        Me.groupBox1.TabIndex = 3
        Me.groupBox1.TabStop = False
        Me.groupBox1.Text = "Scaling"
        '
        'panel1
        '
        Me.panel1.BackColor = System.Drawing.Color.White
        Me.panel1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D
        Me.panel1.Dock = System.Windows.Forms.DockStyle.Fill
        Me.panel1.Location = New System.Drawing.Point(316)
        Me.panel1.Name = "panel1"
        Me.panel1.Size = New System.Drawing.Size(178163)
        Me.panel1.TabIndex = 0
        '
        'groupBox2
        '
        Me.groupBox2.Controls.AddRange(New System.Windows.Forms.Control() {Me.panel2})
        Me.groupBox2.Dock = System.Windows.Forms.DockStyle.Fill
        Me.groupBox2.Name = "groupBox2"
        Me.groupBox2.Size = New System.Drawing.Size(392182)
        Me.groupBox2.TabIndex = 5
        Me.groupBox2.TabStop = False
        Me.groupBox2.Text = "Clipping"
        '
        'panel2
        '
        Me.panel2.BackColor = System.Drawing.Color.White
        Me.panel2.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D
        Me.panel2.Dock = System.Windows.Forms.DockStyle.Fill
        Me.panel2.Location = New System.Drawing.Point(316)
        Me.panel2.Name = "panel2"
        Me.panel2.Size = New System.Drawing.Size(386163)
        Me.panel2.TabIndex = 0
        '
        'ScalingClippingForm
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(513)
        Me.ClientSize = New System.Drawing.Size(392182)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.splitter1, Me.groupBox1, Me.groupBox2})
        Me.Name = "ScalingClippingForm"
        Me.Text = "ScalingClippingFor"
        Me.groupBox1.ResumeLayout(False)
        Me.groupBox2.ResumeLayout(False)
        Me.ResumeLayout(False)

    End Sub

#End Region


    Private Sub panel1_Paint(ByVal sender As Object, ByVal e As PaintEventArgsHandles panel1.Paint
        Dim As Graphics = e.Graphics
        Dim bmp As Bitmap = New Bitmap("yourfile.jpg")
        Dim destRect As Rectangle = New Rectangle(1010, Me.panel2.ClientRectangle.Width - 20, Me.panel2.ClientRectangle.Height - 20)
        Dim srcRect As Rectangle = New Rectangle(00, destRect.Width, destRect.Height)
        g.DrawImage(bmp, destRect, srcRect, g.PageUnit)
        g.DrawRectangle(Pens.Black, destRect)
    End Sub

End Class
17.49.Image Operation
17.49.1.Rotate an Image
17.49.2.Mirror an Image
17.49.3.Move an image and paintMove an image and paint
17.49.4.Scale an imageScale an image
17.49.5.Scale image with different Graphics UnitsScale image with different Graphics Units
17.49.6.Skew imageSkew image
17.49.7.Make an image transparentMake an image transparent
17.49.8.Invert an ImageInvert an Image
17.49.9.Invert an Image unsafeInvert an Image unsafe
17.49.10.Zoom ImageZoom Image
17.49.11.Zoom and Skew an ImageZoom and Skew an Image
17.49.12.Skew an ImageSkew an Image
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.