VB.Net Tutorial/2D Graphics/CompositingQuality — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
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(нет различий)
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Версия 19:40, 26 мая 2010
Содержание
CompositingQuality.GammaCorrected
<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class AlphaBCompGammaCorr
public Shared Sub Main Application.Run(New Form1) End Sub
End class public class Form1
Inherits System.Windows.Forms.Form Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs) Dim g As Graphics = Me.CreateGraphics() g.Clear(Me.BackColor) Dim rect1 As New Rectangle(20, 20, 100, 100) Dim rect2 As New Rectangle(200, 20, 100, 100) Dim redBrush As New SolidBrush(Color.FromArgb(150, 255, 0, 0)) Dim greenBrush As New SolidBrush(Color.FromArgb(180, 0, 255, 0)) Dim tempBmp As New Bitmap(200, 150) Dim tempGraphics As Graphics = Graphics.FromImage(tempBmp) tempGraphics.rupositingMode = CompositingMode.SourceOver tempGraphics.rupositingQuality = CompositingQuality.GammaCorrected tempGraphics.FillRectangle(redBrush, rect1) rect1.X += 30 rect1.Y += 30 tempGraphics.FillEllipse(greenBrush, rect1) g.rupositingQuality = CompositingQuality.GammaCorrected g.DrawImage(tempBmp, 0, 0) g.FillRectangle(Brushes.Red, rect2) rect2.X += 30 rect2.Y += 30 g.FillEllipse(Brushes.Green, rect2) tempBmp.Dispose() g.Dispose() End Sub Public Sub New() MyBase.New() Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.ClientSize = New System.Drawing.Size(292, 273) Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen End Sub
End Class</source>
CompositingQuality.HighQuality
<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class CompositingQualityHighQuality
public Shared Sub Main Application.Run(New Form1) End Sub
End class public class Form1
Inherits System.Windows.Forms.Form Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs) Dim g As Graphics = Me.CreateGraphics() g.Clear(Me.BackColor) g.SmoothingMode = SmoothingMode.AntiAlias g.rupositingQuality = CompositingQuality.HighQuality Dim path As New GraphicsPath path.AddEllipse(20, 20, 200, 200) Dim pthGrBrush As New PathGradientBrush(path) Dim transBlackColor As Color = color.FromArgb(90, 255, 255, 255) Dim color2() As Color = {Color.Black} pthGrBrush.SurroundColors = color2 pthGrBrush.CenterColor = color.Red g.FillPath(pthGrBrush, path) g.Dispose() End Sub Public Sub New() MyBase.New() Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.ClientSize = New System.Drawing.Size(292, 273) Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen End Sub
End Class</source>
CompositingQuality.HighSpeed
<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class CompositingQualityHighSpeed
public Shared Sub Main Application.Run(New Form1) End Sub
End class public class Form1
Inherits System.Windows.Forms.Form Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs) Dim g As Graphics = Me.CreateGraphics() g.Clear(Me.BackColor) Dim redPen As New Pen(Color.Red, 20) Dim bluePen As New Pen(Color.Blue, 10) Dim gContainer1 As GraphicsContainer = g.BeginContainer() g.SmoothingMode = SmoothingMode.AntiAlias g.rupositingQuality = CompositingQuality.GammaCorrected g.DrawEllipse(redPen, 10, 10, 100, 50) g.DrawRectangle(bluePen, 210, 0, 100, 100) Dim gContainer2 As GraphicsContainer = g.BeginContainer() g.SmoothingMode = SmoothingMode.HighSpeed g.rupositingQuality = CompositingQuality.HighSpeed g.DrawEllipse(redPen, 10, 150, 100, 50) g.DrawRectangle(bluePen, 210, 150, 100, 100) g.EndContainer(gContainer2) g.EndContainer(gContainer1) redPen.Dispose() bluePen.Dispose() g.Dispose() End Sub Public Sub New() MyBase.New() Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.ClientSize = New System.Drawing.Size(292, 273) Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen End Sub
End Class</source>
Graphics CompositingMode.SourceOver
<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class AlphaBCompGammaCorr
public Shared Sub Main Application.Run(New Form1) End Sub
End class public class Form1
Inherits System.Windows.Forms.Form Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs) Dim g As Graphics = Me.CreateGraphics() g.Clear(Me.BackColor) Dim rect1 As New Rectangle(20, 20, 100, 100) Dim rect2 As New Rectangle(200, 20, 100, 100) Dim redBrush As New SolidBrush(Color.FromArgb(150, 255, 0, 0)) Dim greenBrush As New SolidBrush(Color.FromArgb(180, 0, 255, 0)) Dim tempBmp As New Bitmap(200, 150) Dim tempGraphics As Graphics = Graphics.FromImage(tempBmp) tempGraphics.rupositingMode = CompositingMode.SourceOver tempGraphics.rupositingQuality = CompositingQuality.GammaCorrected tempGraphics.FillRectangle(redBrush, rect1) rect1.X += 30 rect1.Y += 30 tempGraphics.FillEllipse(greenBrush, rect1) g.rupositingQuality = CompositingQuality.GammaCorrected g.DrawImage(tempBmp, 0, 0) g.FillRectangle(Brushes.Red, rect2) rect2.X += 30 rect2.Y += 30 g.FillEllipse(Brushes.Green, rect2) tempBmp.Dispose() g.Dispose() End Sub Public Sub New() MyBase.New() Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.ClientSize = New System.Drawing.Size(292, 273) Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen End Sub
End Class</source>