VB.Net/2D/Image Animator — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
Admin (обсуждение | вклад) м (1 версия) |
(нет различий)
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Текущая версия на 15:41, 26 мая 2010
Image Animator Demo
<source lang="vbnet"> Imports System Imports System.Collections Imports System.ruponentModel Imports System.Windows.Forms Imports System.Data Imports System.Configuration Imports System.Resources Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Drawing.Imaging Public Class MainClass
Shared Sub Main() Dim myform As Form = New AnimationForm() Application.Run(myform) End Sub
End Class Public Class AnimationForm
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 statusBar1 As System.Windows.Forms.StatusBar <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() Me.statusBar1 = New System.Windows.Forms.StatusBar() Me.SuspendLayout() " "statusBar1 " Me.statusBar1.Location = New System.Drawing.Point(0, 244) Me.statusBar1.Name = "statusBar1" Me.statusBar1.Size = New System.Drawing.Size(292, 22) Me.statusBar1.TabIndex = 1 Me.statusBar1.Text = "statusBar1" " "AnimationForm " 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.statusBar1}) Me.Name = "AnimationForm" Me.Text = "AnimationForm" Me.ResumeLayout(False) End Sub
- End Region
Dim gif As Bitmap = New Bitmap("nav.bmp") Private Sub AnimationForm_Load(ByVal sender As Object, ByVal e As EventArgs) Handles MyBase.Load Me.SetClientSizeCore(gif.Width, gif.Height + statusBar1.Height) If ImageAnimator.CanAnimate(gif) Then ImageAnimator.Animate(gif, New EventHandler(AddressOf gif_FrameChanged)) End If statusBar1.Text = gif.GetFrameCount(FrameDimension.Time) & " frames" End Sub Private Sub gif_FrameChanged(ByVal sender As Object, ByVal e As EventArgs) Me.Invalidate() End Sub Private Sub AnimationForm_Paint(ByVal sender As Object, ByVal e As PaintEventArgs) Handles MyBase.Paint ImageAnimator.UpdateFrames(gif) Dim g As Graphics = e.Graphics Dim rect As Rectangle = Me.ClientRectangle rect.Height = rect.Height - statusBar1.Height g.DrawImage(gif, rect) End Sub
End Class
</source>
Rounded Rect Path Demo
<source lang="vbnet"> Imports System Imports System.Collections Imports System.ruponentModel Imports System.Windows.Forms Imports System.Data Imports System.Configuration Imports System.Resources Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Drawing.Imaging Public Class MainClass
Shared Sub Main() Dim myform As Form = New Form1() Application.Run(myform) End Sub
End Class Public Class Form1
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 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. <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() components = New System.ruponentModel.Container() Me.Text = "Form1" End Sub
- End Region
Private Function GetRoundedRectPath(ByVal rect As Rectangle, ByVal radius As Integer) As GraphicsPath Dim diameter As Integer = 2 * radius Dim arcRect As Rectangle = New Rectangle(rect.Location, New Size(diameter, diameter)) Dim path As GraphicsPath = New GraphicsPath() path.AddArc(arcRect, 180, 90) arcRect.X = rect.Right - diameter path.AddArc(arcRect, 270, 90) arcRect.Y = rect.Bottom - diameter path.AddArc(arcRect, 0, 90) arcRect.X = rect.Left path.AddArc(arcRect, 90, 90) path.CloseFigure() Return path End Function Private Sub Form1_Paint(ByVal sender As Object, ByVal e As PaintEventArgs) Handles MyBase.Paint Dim g As Graphics = e.Graphics Dim width As Integer = Me.ClientRectangle.Width Dim height As Integer = Me.ClientRectangle.Height Dim rect As Rectangle = New Rectangle(10, 10, width - 20, height - 20) Dim format As StringFormat = New StringFormat() format.Alignment = StringAlignment.Center format.LineAlignment = StringAlignment.Center Dim path As GraphicsPath = GetRoundedRectPath(rect, width / 10) g.FillPath(Brushes.Yellow, path) g.DrawPath(Pens.Black, path) End Sub
End Class
</source>