в 16:40, 26 мая 2010

2010-05-26T16:40:30Z

Admin: 1 версия

2010-05-26T12:54:56Z

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==Save to an image==

<source lang="vbnet">Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
Imports System.Drawing.Imaging
public class DrawingToImagesDemo
public Shared Sub Main
Application.Run(New DrawingToImagesForm)
End Sub
End class
Public Class DrawingToImagesForm
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.
Friend WithEvents saveButton As System.Windows.Forms.Button
Friend WithEvents panel1 As System.Windows.Forms.Panel
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.saveButton = New System.Windows.Forms.Button()
Me.panel1 = New System.Windows.Forms.Panel()
Me.SuspendLayout()
"
"saveButton
"
Me.saveButton.Anchor = System.Windows.Forms.AnchorStyles.Bottom
Me.saveButton.Location = New System.Drawing.Point(104, 238)
Me.saveButton.Name = "saveButton"
Me.saveButton.TabIndex = 3
Me.saveButton.Text = "Save"
"
"panel1
"
Me.panel1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D
Me.panel1.Dock = System.Windows.Forms.DockStyle.Top
Me.panel1.Name = "panel1"
Me.panel1.Size = New System.Drawing.Size(292, 224)
Me.panel1.TabIndex = 2
"
"DrawingToImagesForm
"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(292, 266)
Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.saveButton, Me.panel1})
Me.Name = "DrawingToImagesForm"
Me.Text = "DrawingToImagesForm"
Me.ResumeLayout(False)
End Sub
#End Region
Dim offset As Integer
Private Sub saveButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles saveButton.Click
Dim rect As Rectangle = New Rectangle(0, 0, 100, 100)
Dim displayGraphics As Graphics = Me.CreateGraphics()
Dim img As Image = New Bitmap(rect.Width, rect.Height, displayGraphics)
Dim imageGraphics As Graphics = Graphics.FromImage(img)
imageGraphics.FillRectangle(Brushes.Black, rect)
Dim format As StringFormat = New StringFormat()
format.Alignment = StringAlignment.Center
format.LineAlignment = StringAlignment.Center
imageGraphics.DrawString("Drawing to an image", panel1.Font, Brushes.White, RectangleF.op_Implicit(rect), format)
Dim file As String = "yourfile.jpg"
img.Save(file)
MessageBox.Show("Saved to file: " & file)
End Sub
End Class</source>

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VB.Net Tutorial/2D Graphics/Image Save - История изменений

в 16:40, 26 мая 2010

Admin: 1 версия