VB.Net Tutorial/2D Graphics/SolidBrush
Версия от 16:40, 26 мая 2010; (обсуждение)
Содержание
Color Brushes
Imports System
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Collections
Imports System.ruponentModel
Imports System.Windows.Forms
Imports System.Data
public class SolidBrushCreateFromColor
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 = New SolidBrush(Color.DarkBlue)
g.FillRectangle(b, 0, 0, width, height)
g.DrawString(b.ToString(), Me.Font, whiteBrush, 0, 0)
End Sub
End Class
Create Brush with Color
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class GDIObjectsCreateBrushFont
public Shared Sub Main
Application.Run(New Form1)
End Sub
End class
Public Class Form1
Private Sub Form1_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles Me.Paint
Dim canvas As Graphics = e.Graphics
Dim brush1 As New SolidBrush(Color.DarkBlue)
Dim font1 As New Font("Arial", 24, FontStyle.Bold Or FontStyle.Italic)
canvas.DrawString("www.vbex.ru",font1, brush1, 120, 70)
canvas = Nothing
End Sub
End Class
<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _
Partial Class Form1
Inherits System.Windows.Forms.Form
"Form overrides dispose to clean up the component list.
<System.Diagnostics.DebuggerNonUserCode()> _
Protected Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing AndAlso components IsNot Nothing Then
components.Dispose()
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()
Me.SuspendLayout()
"
"Form1
"
Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
Me.ClientSize = New System.Drawing.Size(610, 328)
Me.Name = "Form1"
Me.Text = "Creating Graphics Objects (Color, Pen, Font, Brush)"
Me.ResumeLayout(False)
End Sub
End Class
Draw string with Brushes.Maroon
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class DrawStringWithMaroon
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 fntText = New Font(New FontFamily("Times New Roman"), 48, FontStyle.Italic)
e.Graphics.DrawString("Hello there!", fntText, Brushes.Maroon, 10, 100)
End Sub
Public Sub New()
Me.ClientSize = New System.Drawing.Size(292, 273)
End Sub
End Class
Transparent Brush
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class AlphaBPensBrushes
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 rect As New Rectangle(220, 30, 100, 50)
Dim transPen As New Pen(Color.FromArgb(128, 255, 255, 255), 10)
Dim totTransPen As New Pen(Color.FromArgb(40, 0, 255, 0), 10)
g.DrawLine(transPen, 10, 30, 200, 30)
g.DrawLine(totTransPen, 10, 50, 200, 50)
g.FillRectangle(New SolidBrush(Color.FromArgb(40, 0, 0, 255)), rect)
rect.Y += 60
g.FillEllipse(New SolidBrush(Color.FromArgb(20, 255, 255, 0)), rect)
Dim semiTransBrush As New SolidBrush(Color.FromArgb(90, 0, 50, 255))
g.DrawString("String " + ControlChars.Lf + "Date: ", New Font("Verdana", 14), semiTransBrush, New RectangleF(20, 100, 300, 100))
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