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VB.Net by API/System.Drawing.Drawing2D/InterpolationMode - История изменений
2026-04-05T07:00:50Z
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http://www.vbex.ru/index.php?title=VB.Net_by_API/System.Drawing.Drawing2D/InterpolationMode&diff=2591&oldid=prev
в 16:40, 26 мая 2010
2010-05-26T16:40:16Z
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http://www.vbex.ru/index.php?title=VB.Net_by_API/System.Drawing.Drawing2D/InterpolationMode&diff=2592&oldid=prev
Admin: 1 версия
2010-05-26T12:51:19Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>==InterpolationMode.Bilinear==<br />
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<source lang="vbnet"> <br />
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Imports System.Drawing<br />
Imports System.Drawing.Drawing2D<br />
Imports System.Windows.Forms<br />
public class InterpolationModeDemo<br />
public Shared Sub Main<br />
Application.Run(New Form1)<br />
End Sub<br />
End class<br />
public class Form1<br />
Inherits System.Windows.Forms.Form<br />
Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs)<br />
Dim bm As New Bitmap("yourfile.jpg")<br />
e.Graphics.DrawImage(bm, 10, 10)<br />
Dim x As Integer = 10<br />
Dim y As Integer = 120<br />
DrawSample(e.Graphics, bm, Drawing2D.InterpolationMode.Default, x, y)<br />
DrawSample(e.Graphics, bm, Drawing2D.InterpolationMode.Low, x, y)<br />
DrawSample(e.Graphics, bm, Drawing2D.InterpolationMode.High, x, y)<br />
DrawSample(e.Graphics, bm, Drawing2D.InterpolationMode.Bilinear, x, y)<br />
x = 10<br />
y += 100<br />
DrawSample(e.Graphics, bm, Drawing2D.InterpolationMode.Bicubic, x, y)<br />
DrawSample(e.Graphics, bm, Drawing2D.InterpolationMode.NearestNeighbor, x, y)<br />
DrawSample(e.Graphics, bm, Drawing2D.InterpolationMode.HighQualityBilinear, x, y)<br />
DrawSample(e.Graphics, bm, Drawing2D.InterpolationMode.HighQualityBicubic, x, y)<br />
End Sub<br />
Private Sub DrawSample(ByVal gr As Graphics, ByVal bm As Bitmap, ByVal interpolation_mode As Drawing2D.InterpolationMode, ByRef x As Integer, ByVal y As Integer)<br />
gr.DrawString(interpolation_mode.ToString, Me.Font, Brushes.Black, x, y)<br />
gr.InterpolationMode = interpolation_mode<br />
gr.DrawImage(bm, x, y + 20, 50, 50)<br />
gr.InterpolationMode = interpolation_mode<br />
Dim src_rect As New Rectangle(35, 35, 30, 30)<br />
Dim dest_rect As New Rectangle(x + 60, y + 20, 50, 50)<br />
gr.DrawImage(bm, dest_rect, src_rect, GraphicsUnit.Pixel)<br />
gr.DrawRectangle(Pens.Black, dest_rect)<br />
x += 120<br />
End Sub<br />
Public Sub New()<br />
<br />
MyBase.New()<br />
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)<br />
Me.ClientSize = New System.Drawing.Size(292, 273)<br />
Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen<br />
End Sub<br />
End Class<br />
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</source><br />
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==InterpolationMode.Default==<br />
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<source lang="vbnet"> <br />
<br />
Imports System.Drawing<br />
Imports System.Drawing.Drawing2D<br />
Imports System.Windows.Forms<br />
public class InterpolationModeDemo<br />
public Shared Sub Main<br />
Application.Run(New Form1)<br />
End Sub<br />
End class<br />
public class Form1<br />
Inherits System.Windows.Forms.Form<br />
Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs)<br />
Dim bm As New Bitmap("yourfile.jpg")<br />
e.Graphics.DrawImage(bm, 10, 10)<br />
Dim x As Integer = 10<br />
Dim y As Integer = 120<br />
DrawSample(e.Graphics, bm, Drawing2D.InterpolationMode.Default, x, y)<br />
DrawSample(e.Graphics, bm, Drawing2D.InterpolationMode.Low, x, y)<br />
DrawSample(e.Graphics, bm, Drawing2D.InterpolationMode.High, x, y)<br />
DrawSample(e.Graphics, bm, Drawing2D.InterpolationMode.Bilinear, x, y)<br />
x = 10<br />
y += 100<br />
DrawSample(e.Graphics, bm, Drawing2D.InterpolationMode.Bicubic, x, y)<br />
DrawSample(e.Graphics, bm, Drawing2D.InterpolationMode.NearestNeighbor, x, y)<br />
DrawSample(e.Graphics, bm, Drawing2D.InterpolationMode.HighQualityBilinear, x, y)<br />
DrawSample(e.Graphics, bm, Drawing2D.InterpolationMode.HighQualityBicubic, x, y)<br />
End Sub<br />
Private Sub DrawSample(ByVal gr As Graphics, ByVal bm As Bitmap, ByVal interpolation_mode As Drawing2D.InterpolationMode, ByRef x As Integer, ByVal y As Integer)<br />
gr.DrawString(interpolation_mode.ToString, Me.Font, Brushes.Black, x, y)<br />
gr.InterpolationMode = interpolation_mode<br />
gr.DrawImage(bm, x, y + 20, 50, 50)<br />
gr.InterpolationMode = interpolation_mode<br />
Dim src_rect As New Rectangle(35, 35, 30, 30)<br />
Dim dest_rect As New Rectangle(x + 60, y + 20, 50, 50)<br />
gr.DrawImage(bm, dest_rect, src_rect, GraphicsUnit.Pixel)<br />
gr.DrawRectangle(Pens.Black, dest_rect)<br />
x += 120<br />
End Sub<br />
Public Sub New()<br />
<br />
MyBase.New()<br />
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)<br />
Me.ClientSize = New System.Drawing.Size(292, 273)<br />
Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen<br />
End Sub<br />
End Class<br />
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</source><br />
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==InterpolationMode.High==<br />
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<br />
<source lang="vbnet"> <br />
<br />
Imports System.Drawing<br />
Imports System.Drawing.Drawing2D<br />
Imports System.Windows.Forms<br />
public class InterpolationModeDemo<br />
public Shared Sub Main<br />
Application.Run(New Form1)<br />
End Sub<br />
End class<br />
public class Form1<br />
Inherits System.Windows.Forms.Form<br />
Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs)<br />
Dim bm As New Bitmap("yourfile.jpg")<br />
e.Graphics.DrawImage(bm, 10, 10)<br />
Dim x As Integer = 10<br />
Dim y As Integer = 120<br />
DrawSample(e.Graphics, bm, Drawing2D.InterpolationMode.Default, x, y)<br />
DrawSample(e.Graphics, bm, Drawing2D.InterpolationMode.Low, x, y)<br />
DrawSample(e.Graphics, bm, Drawing2D.InterpolationMode.High, x, y)<br />
DrawSample(e.Graphics, bm, Drawing2D.InterpolationMode.Bilinear, x, y)<br />
x = 10<br />
y += 100<br />
DrawSample(e.Graphics, bm, Drawing2D.InterpolationMode.Bicubic, x, y)<br />
DrawSample(e.Graphics, bm, Drawing2D.InterpolationMode.NearestNeighbor, x, y)<br />
DrawSample(e.Graphics, bm, Drawing2D.InterpolationMode.HighQualityBilinear, x, y)<br />
DrawSample(e.Graphics, bm, Drawing2D.InterpolationMode.HighQualityBicubic, x, y)<br />
End Sub<br />
Private Sub DrawSample(ByVal gr As Graphics, ByVal bm As Bitmap, ByVal interpolation_mode As Drawing2D.InterpolationMode, ByRef x As Integer, ByVal y As Integer)<br />
gr.DrawString(interpolation_mode.ToString, Me.Font, Brushes.Black, x, y)<br />
gr.InterpolationMode = interpolation_mode<br />
gr.DrawImage(bm, x, y + 20, 50, 50)<br />
gr.InterpolationMode = interpolation_mode<br />
Dim src_rect As New Rectangle(35, 35, 30, 30)<br />
Dim dest_rect As New Rectangle(x + 60, y + 20, 50, 50)<br />
gr.DrawImage(bm, dest_rect, src_rect, GraphicsUnit.Pixel)<br />
gr.DrawRectangle(Pens.Black, dest_rect)<br />
x += 120<br />
End Sub<br />
Public Sub New()<br />
<br />
MyBase.New()<br />
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)<br />
Me.ClientSize = New System.Drawing.Size(292, 273)<br />
Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen<br />
End Sub<br />
End Class<br />
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</source><br />
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==InterpolationMode.Low==<br />
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<br />
<br />
<source lang="vbnet"> <br />
<br />
Imports System.Drawing<br />
Imports System.Drawing.Drawing2D<br />
Imports System.Windows.Forms<br />
public class InterpolationModeDemo<br />
public Shared Sub Main<br />
Application.Run(New Form1)<br />
End Sub<br />
End class<br />
public class Form1<br />
Inherits System.Windows.Forms.Form<br />
Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs)<br />
Dim bm As New Bitmap("yourfile.jpg")<br />
e.Graphics.DrawImage(bm, 10, 10)<br />
Dim x As Integer = 10<br />
Dim y As Integer = 120<br />
DrawSample(e.Graphics, bm, Drawing2D.InterpolationMode.Default, x, y)<br />
DrawSample(e.Graphics, bm, Drawing2D.InterpolationMode.Low, x, y)<br />
DrawSample(e.Graphics, bm, Drawing2D.InterpolationMode.High, x, y)<br />
DrawSample(e.Graphics, bm, Drawing2D.InterpolationMode.Bilinear, x, y)<br />
x = 10<br />
y += 100<br />
DrawSample(e.Graphics, bm, Drawing2D.InterpolationMode.Bicubic, x, y)<br />
DrawSample(e.Graphics, bm, Drawing2D.InterpolationMode.NearestNeighbor, x, y)<br />
DrawSample(e.Graphics, bm, Drawing2D.InterpolationMode.HighQualityBilinear, x, y)<br />
DrawSample(e.Graphics, bm, Drawing2D.InterpolationMode.HighQualityBicubic, x, y)<br />
End Sub<br />
Private Sub DrawSample(ByVal gr As Graphics, ByVal bm As Bitmap, ByVal interpolation_mode As Drawing2D.InterpolationMode, ByRef x As Integer, ByVal y As Integer)<br />
gr.DrawString(interpolation_mode.ToString, Me.Font, Brushes.Black, x, y)<br />
gr.InterpolationMode = interpolation_mode<br />
gr.DrawImage(bm, x, y + 20, 50, 50)<br />
gr.InterpolationMode = interpolation_mode<br />
Dim src_rect As New Rectangle(35, 35, 30, 30)<br />
Dim dest_rect As New Rectangle(x + 60, y + 20, 50, 50)<br />
gr.DrawImage(bm, dest_rect, src_rect, GraphicsUnit.Pixel)<br />
gr.DrawRectangle(Pens.Black, dest_rect)<br />
x += 120<br />
End Sub<br />
Public Sub New()<br />
<br />
MyBase.New()<br />
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)<br />
Me.ClientSize = New System.Drawing.Size(292, 273)<br />
Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen<br />
End Sub<br />
End Class<br />
<br />
<br />
</source></div>
Admin