в 16:40, 26 мая 2010

2010-05-26T16:40:30Z

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2010-05-26T12:54:39Z

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==Create HatchBrush from HatchBrush style and two colors==

<source lang="vbnet">Imports System
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Collections
Imports System.ruponentModel
Imports System.Windows.Forms
Imports System.Data
public class HatchBrushCreateHacthStyleAndColors
public Shared Sub Main
Application.Run(New BrushesForm)
End Sub
End class
Public Class BrushesForm
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.
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
"
"BrushesForm
"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(292, 266)
Me.Name = "BrushesForm"
Me.Text = "Form1"
End Sub
#End Region
Enum LinearGradientMode
BackwardDiagonal
ForwardDiagonal
Horizontal
Vertical
End Enum
Private Sub BrushesForm_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 / 5
Dim whiteBrush As Brush = System.Drawing.Brushes.White
Dim blackBrush As Brush = System.Drawing.Brushes.Black
Dim b As Brush
Dim file As String = "YourFile.jpg"
b = New HatchBrush(HatchStyle.Divot, Color.DarkBlue, Color.White)
g.FillRectangle(b, 0, 0, width, height)
g.DrawString(b.ToString(), Me.Font, whiteBrush, 0, 0)
End Sub
End Class</source>

==Get All HatchStyles==

<source lang="vbnet">Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class HatchBrushesHatchStyle
public Shared Sub Main
Application.Run(New HatchBrushesForm)
End Sub
End class

Public Class HatchBrushesForm
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.
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
"
"HatchBrushesForm
"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(600, 600)
Me.Name = "HatchBrushesForm"
Me.Text = "HatchBrushesForm"
End Sub
#End Region

Private Sub HatchBrushesForm_Paint(ByVal sender As Object, ByVal e As PaintEventArgs) Handles MyBase.Paint
Dim g As Graphics = e.Graphics
Dim hatchNames As String() = System.Enum.GetNames(GetType(HatchStyle))
Dim x As Integer = 0
Dim y As Integer = 0
Dim width As Integer = Me.ClientRectangle.Width / 4
Dim height As Integer = Me.ClientRectangle.Height / (hatchNames.Length / 4)
Dim blackBrush As Brush = Brushes.Black
Dim blackPen As Pen = Pens.Black
Array.Sort(hatchNames)
Dim hatchName As String
For Each hatchName In hatchNames
Dim style As HatchStyle = CType(System.Enum.Parse(GetType(HatchStyle), hatchName), HatchStyle)
Dim b As HatchBrush = New HatchBrush(style, Color.Black, Color.White)
g.FillRectangle(b, x, CInt(y + height / 2), width, CInt(height / 2))
g.DrawRectangle(blackPen, x, y, width, height)
g.DrawString(hatchName, Me.Font, blackBrush, x, y)
x = x + width
If x > (Me.ClientRectangle.Width - width) Then
y = y + height
x = 0
End If
Next
End Sub
End Class</source>

==HatchBrush HatchStyle BackwardDiagonal==

<source lang="vbnet">Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class HatchBrushHatchStyleBackwardDiagonalBlackCyan
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 h As HatchBrush = New HatchBrush(HatchStyle.BackwardDiagonal,Color.Black,Color.Cyan)
Dim P As Pen = New Pen(h, 20)
e.Graphics.Clear(Color.AliceBlue)
e.Graphics.SmoothingMode = SmoothingMode.AntiAlias
e.Graphics.DrawLine(P, 80, 90, 80, 200)
e.Graphics.FillEllipse(h, 50, 50, 50, 30)
P.Dispose()
h.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>

==HatchStyle.DarkDownwardDiagonal==

<source lang="vbnet">Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class HatchStyleDarkDownwardDiagonal
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 = e.Graphics "
Dim hBrush2 As New HatchBrush(HatchStyle.DarkDownwardDiagonal, Color.Green, Color.Black)
g.FillRectangle(hBrush2, New Rectangle(150, 80, 200, 140))
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>

==HatchStyle.DashedVertical==

<source lang="vbnet">Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class HatchStyleDashedVertical
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 = e.Graphics "
Dim hBrush1 As New HatchBrush(HatchStyle.DashedVertical, Color.Chocolate, Color.Red)
g.FillEllipse(hBrush1, 20, 40, 100, 120)
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>

==HatchStyle.LightUpwardDiagonal==

<source lang="vbnet">Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class HatchStyleLightUpwardDiagonal
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 recDrawingRectangle As Rectangle
recDrawingRectangle = New Rectangle(30, 170, 100, 70)
Dim hb As New HatchBrush(HatchStyle.LightUpwardDiagonal, _
Color.Aquamarine)
e.Graphics.FillRectangle(hb, recDrawingRectangle)
End Sub
Public Sub New()
Me.ClientSize = New System.Drawing.Size(292, 273)
End Sub
End Class</source>

==HatchStyle.SmallCheckerBoard==

<source lang="vbnet">Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class HatchStyleSmallCheckerBoard
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 = e.Graphics "
Dim hBrush3 As New HatchBrush(HatchStyle.SmallCheckerBoard, Color.BlueViolet, Color.Blue)
Dim rect As New Rectangle(150, 80, 200, 140)
g.FillPie(hBrush3, 40, 20, 200, 40, 0.0F, 60.0F)
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>

==List all Hatch styles==

<source lang="vbnet">Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class HatchStyle
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 x As Integer = 10
Dim y As Integer = 20

e.Graphics.Clear(Me.BackColor)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.BackwardDiagonal)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Cross)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.DarkDownwardDiagonal)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.DarkHorizontal)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.DarkUpwardDiagonal)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.DarkVertical)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.DashedDownwardDiagonal)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.DashedHorizontal)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.DashedUpwardDiagonal)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.DashedVertical)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.DiagonalBrick)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.DiagonalCross)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Divot)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.DottedDiamond)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.DottedGrid)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.ForwardDiagonal)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Horizontal)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.HorizontalBrick)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.LargeCheckerBoard)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.LargeConfetti)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.LargeGrid)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.LightDownwardDiagonal)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.LightHorizontal)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.LightUpwardDiagonal)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.LightVertical)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.NarrowHorizontal)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.NarrowVertical)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.OutlinedDiamond)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Percent05)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Percent10)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Percent20)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Percent25)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Percent30)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Percent40)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Percent50)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Percent60)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Percent70)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Percent75)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Percent80)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Percent90)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Plaid)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Shingle)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.SmallCheckerBoard)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.SmallConfetti)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.SmallGrid)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.SolidDiamond)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Sphere)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Trellis)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Vertical)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Wave)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.Weave)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.WideDownwardDiagonal)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.WideUpwardDiagonal)
DrawSample(e.Graphics, x, y, Drawing2D.HatchStyle.ZigZag)
End Sub
Private Sub DrawSample(ByVal gr As Graphics, ByRef x As Integer, ByRef y As Integer, ByVal hatch_style As Drawing2D.HatchStyle)
gr.DrawString(hatch_style.ToString, Me.Font, Brushes.Black, x, y)
Dim the_brush As New Drawing2D.HatchBrush(hatch_style, Color.Black, Color.White)
gr.FillRectangle(the_brush, x, y + 15, 100, 20)
y += 40
If y + 40 > Me.ClientRectangle.Height Then
x += 150
y = 20
End If
End Sub
Public Sub New()

MyBase.New()
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(600, 600)
Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
End Sub
End Class</source>

==Use HatchBrush with HatchStyle.Horizontal to draw an arrow==

<source lang="vbnet">Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class DrawArrowHatchStyleHorizontal
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)
e.Graphics.ScaleTransform(30, 30, MatrixOrder.Append)
DrawArrow(e.Graphics, HatchStyle.Horizontal)
End Sub
Private Sub DrawArrow(ByVal gr As Graphics, ByVal hatch_style As HatchStyle)
Dim pts() As Point = { _
New Point(0, 1), _
New Point(2, 1), _
New Point(2, 0), _
New Point(4, 2), _
New Point(2, 4), _
New Point(2, 3), _
New Point(0, 3) _
}
gr.FillPolygon(New HatchBrush(hatch_style, Color.Black, Color.White), pts)
gr.DrawPolygon(New Pen(Color.Black, 0), pts)
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>

==Use the HatchBrush==

<source lang="vbnet">Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class BrushDemo
public Shared Sub Main
Application.Run(New Form1)
End Sub
End class

Public Class Form1
Inherits System.Windows.Forms.Form
Public Sub New()
MyBase.New()
InitializeComponent()

End Sub
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
Private components As System.ruponentModel.IContainer
Friend WithEvents PictureBox1 As System.Windows.Forms.PictureBox
Friend WithEvents Button1 As System.Windows.Forms.Button
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.PictureBox1 = New System.Windows.Forms.PictureBox
Me.Button1 = New System.Windows.Forms.Button
Me.SuspendLayout()
"
"PictureBox1
"
Me.PictureBox1.BackColor = System.Drawing.SystemColors.Window
Me.PictureBox1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D
Me.PictureBox1.Dock = System.Windows.Forms.DockStyle.Top
Me.PictureBox1.Location = New System.Drawing.Point(0, 0)
Me.PictureBox1.Name = "PictureBox1"
Me.PictureBox1.Size = New System.Drawing.Size(336, 168)
Me.PictureBox1.TabIndex = 0
Me.PictureBox1.TabStop = False
"
"Button1
"
Me.Button1.Location = New System.Drawing.Point(112, 184)
Me.Button1.Name = "Button1"
Me.Button1.Size = New System.Drawing.Size(80, 24)
Me.Button1.TabIndex = 1
Me.Button1.Text = "Draw"
"
"Form1
"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(336, 238)
Me.Controls.Add(Me.Button1)
Me.Controls.Add(Me.PictureBox1)
Me.ResumeLayout(False)
End Sub
Dim brush1 As System.Drawing.Brush
Dim g As System.Drawing.Graphics
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
brush1 = New System.Drawing.Drawing2D.HatchBrush(Drawing.Drawing2D.HatchStyle.Cross, Color.Red, Color.Green)
PictureBox1.Refresh()
g = PictureBox1.CreateGraphics
g.FillEllipse(brush1, 70, 10, 100, 150)
End Sub
End Class</source>

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VB.Net Tutorial/2D Graphics/HatchBrush - История изменений

в 16:40, 26 мая 2010

Admin: 1 версия