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VB.Net by API/System.Drawing/Image - История изменений
2026-04-06T01:02:30Z
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http://www.vbex.ru/index.php?title=VB.Net_by_API/System.Drawing/Image&diff=2153&oldid=prev
в 16:40, 26 мая 2010
2010-05-26T16:40:16Z
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Admin: 1 версия
2010-05-26T12:49:58Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>==Image.Flags==<br />
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<source lang="vbnet"> <br />
Imports System.Drawing<br />
Imports System.Drawing.Drawing2D<br />
Imports System.Windows.Forms<br />
public class ImageProperty<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 curImage As Image = Image.FromFile("yourfile.jpg")<br />
curImage.RotateFlip(RotateFlipType.RotateNoneFlipXY)<br />
e.Graphics.DrawImage(curImage, New Rectangle(0, 0, 100, 100))<br />
Console.WriteLine("Size:" + curImage.Size.ToString)<br />
Console.WriteLine(" RawFormat:" + curImage.RawFormat.ToString)<br />
Console.WriteLine(" Vertical Resolution:" + curImage.VerticalResolution.ToString)<br />
Console.WriteLine(" Horizontal Resolution:" + curImage.HorizontalResolution.ToString)<br />
Console.WriteLine(" PixelFormat:" + curImage.PixelFormat.ToString)<br />
Console.WriteLine(" Flags:" + curImage.Flags.ToString)<br />
<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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==Image.FromFile==<br />
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<source lang="vbnet"> <br />
Imports System.Drawing<br />
Imports System.Drawing.Drawing2D<br />
Imports System.Windows.Forms<br />
public class TransparentColor<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 g As Graphics = e.Graphics<br />
Dim curImage As Image = Image.FromFile("yourfile.jpg")<br />
g.DrawImage(curImage, 0, 0, curImage.Width, curImage.Height)<br />
Dim opqPen As New Pen(Color.FromArgb(255, 0, 255, 0), 10)<br />
Dim transPen As New Pen(Color.FromArgb(128, 0, 255, 0), 10)<br />
Dim totTransPen As New Pen(Color.FromArgb(40, 0, 255, 0), 10)<br />
g.DrawLine(opqPen, 10, 10, 200, 10)<br />
g.DrawLine(transPen, 10, 30, 200, 30)<br />
g.DrawLine(totTransPen, 10, 50, 200, 50)<br />
Dim semiTransBrush As New SolidBrush(Color.FromArgb(60, 0, 255, 0))<br />
g.FillRectangle(semiTransBrush, 20, 100, 200, 100)<br />
End Sub<br />
Public Sub New()<br />
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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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==Image.HorizontalResolution==<br />
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<source lang="vbnet"> <br />
Imports System.Drawing<br />
Imports System.Drawing.Drawing2D<br />
Imports System.Windows.Forms<br />
public class ImageProperty<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 curImage As Image = Image.FromFile("yourfile.jpg")<br />
curImage.RotateFlip(RotateFlipType.RotateNoneFlipXY)<br />
e.Graphics.DrawImage(curImage, New Rectangle(0, 0, 100, 100))<br />
Console.WriteLine("Size:" + curImage.Size.ToString)<br />
Console.WriteLine(" RawFormat:" + curImage.RawFormat.ToString)<br />
Console.WriteLine(" Vertical Resolution:" + curImage.VerticalResolution.ToString)<br />
Console.WriteLine(" Horizontal Resolution:" + curImage.HorizontalResolution.ToString)<br />
Console.WriteLine(" PixelFormat:" + curImage.PixelFormat.ToString)<br />
Console.WriteLine(" Flags:" + curImage.Flags.ToString)<br />
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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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==Image.PixelFormat==<br />
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<source lang="vbnet"> <br />
Imports System.Drawing<br />
Imports System.Drawing.Drawing2D<br />
Imports System.Windows.Forms<br />
public class ImageProperty<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 curImage As Image = Image.FromFile("yourfile.jpg")<br />
curImage.RotateFlip(RotateFlipType.RotateNoneFlipXY)<br />
e.Graphics.DrawImage(curImage, New Rectangle(0, 0, 100, 100))<br />
Console.WriteLine("Size:" + curImage.Size.ToString)<br />
Console.WriteLine(" RawFormat:" + curImage.RawFormat.ToString)<br />
Console.WriteLine(" Vertical Resolution:" + curImage.VerticalResolution.ToString)<br />
Console.WriteLine(" Horizontal Resolution:" + curImage.HorizontalResolution.ToString)<br />
Console.WriteLine(" PixelFormat:" + curImage.PixelFormat.ToString)<br />
Console.WriteLine(" Flags:" + curImage.Flags.ToString)<br />
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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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==Image.PropertyItems==<br />
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<source lang="vbnet"> <br />
Imports System.Drawing.Imaging<br />
Imports System.Drawing<br />
Imports System.Drawing.Drawing2D<br />
Imports System.Windows.Forms<br />
public class MainClass<br />
public Shared Sub Main<br />
Dim curImage As Image = Image.FromFile("yourfile.JPG")<br />
Dim imgProperties As PropertyItem() = curImage.PropertyItems<br />
Console.WriteLine(imgProperties.Length.ToString())<br />
Dim i As Integer<br />
For i = 0 To imgProperties.Length - 1<br />
Console.WriteLine("Id :" + imgProperties(i).Id.ToString)<br />
Console.WriteLine("Value:" + BitConverter.ToString(imgProperties(i).Value))<br />
Next i<br />
End Sub<br />
End class<br />
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</source><br />
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==Image.RawFormat==<br />
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<source lang="vbnet"> <br />
Imports System.Drawing<br />
Imports System.Drawing.Drawing2D<br />
Imports System.Windows.Forms<br />
public class ImageProperty<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 curImage As Image = Image.FromFile("yourfile.jpg")<br />
curImage.RotateFlip(RotateFlipType.RotateNoneFlipXY)<br />
e.Graphics.DrawImage(curImage, New Rectangle(0, 0, 100, 100))<br />
Console.WriteLine("Size:" + curImage.Size.ToString)<br />
Console.WriteLine(" RawFormat:" + curImage.RawFormat.ToString)<br />
Console.WriteLine(" Vertical Resolution:" + curImage.VerticalResolution.ToString)<br />
Console.WriteLine(" Horizontal Resolution:" + curImage.HorizontalResolution.ToString)<br />
Console.WriteLine(" PixelFormat:" + curImage.PixelFormat.ToString)<br />
Console.WriteLine(" Flags:" + curImage.Flags.ToString)<br />
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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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==Image.RotateFlip==<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 Rotate90FlipNone<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 newImage As Image = Image.FromFile("yourfile.jpg")<br />
newImage.RotateFlip(RotateFlipType.Rotate90FlipNone)<br />
e.Graphics.DrawImage(newImage, New Rectangle(0, 0, 100, 100))<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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==Image.VerticalResolution==<br />
<br />
<br />
<br />
<source lang="vbnet"> <br />
Imports System.Drawing<br />
Imports System.Drawing.Drawing2D<br />
Imports System.Windows.Forms<br />
public class ImageProperty<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 curImage As Image = Image.FromFile("yourfile.jpg")<br />
curImage.RotateFlip(RotateFlipType.RotateNoneFlipXY)<br />
e.Graphics.DrawImage(curImage, New Rectangle(0, 0, 100, 100))<br />
Console.WriteLine("Size:" + curImage.Size.ToString)<br />
Console.WriteLine(" RawFormat:" + curImage.RawFormat.ToString)<br />
Console.WriteLine(" Vertical Resolution:" + curImage.VerticalResolution.ToString)<br />
Console.WriteLine(" Horizontal Resolution:" + curImage.HorizontalResolution.ToString)<br />
Console.WriteLine(" PixelFormat:" + curImage.PixelFormat.ToString)<br />
Console.WriteLine(" Flags:" + curImage.Flags.ToString)<br />
<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></div>
Admin