VB.Net Tutorial/2D Graphics/Draw string
Содержание
Draw string with Brush and Font settings
<source lang="vbnet">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</source>
Print string in 3D
<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class TextureTransform
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 str As String = "www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru www.vbex.ru "
g.ScaleTransform(2, 1)
g.RotateTransform(45.0F, System.Drawing.Drawing2D.MatrixOrder.Prepend)
g.TranslateTransform(-20, -70)
g.DrawString(str, New Font("Verdana", 10), New SolidBrush(Color.Blue), New RectangleF(50, 20, 200, 300))
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>
Rotate and Transoform in Text painting
<source lang="vbnet">Imports System.Drawing.Text Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class TransformRotateTextPaint
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)
Me.Font = New Font("Times New Roman", 20, FontStyle.Bold, GraphicsUnit.Pixel)
e.Graphics.TextRenderingHint = TextRenderingHint.AntiAliasGridFit
DrawArrow(e.Graphics, "")
e.Graphics.TranslateTransform(150, 50, MatrixOrder.Append)
DrawArrow(e.Graphics, "Translate 150 horizontally and 50 vertically")
e.Graphics.RotateTransform(45, MatrixOrder.Append)
DrawArrow(e.Graphics, "Rotate 45 degrees")
" Reset the transformation.
e.Graphics.ResetTransform()
e.Graphics.RotateTransform(45, MatrixOrder.Append)
DrawArrow(e.Graphics, "Rotate 45 degrees after reset")
e.Graphics.TranslateTransform(150, 50, MatrixOrder.Append)
DrawArrow(e.Graphics, "Translate 150 horizontally and 50 vertically after reset")
End Sub
" Draw an arrow outline containing some text.
Private Sub DrawArrow(ByVal gr As Graphics, ByVal txt As String)
" Draw the text.
Dim layout_rectangle As New RectangleF(10, 20, 600, 20)
Dim string_format As New StringFormat
string_format.LineAlignment = StringAlignment.Center
string_format.Alignment = StringAlignment.Center
gr.DrawString(txt, Me.Font, Brushes.Black, _
layout_rectangle, string_format)
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>
Text Contrast
<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class TextContrast
public Shared Sub Main
Application.Run(New TextContrastForm)
End Sub
End class Public Class TextContrastForm
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()
"
"TextContrastForm
"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.BackColor = System.Drawing.Color.White
Me.ClientSize = New System.Drawing.Size(292, 266)
Me.Name = "TextContrastForm"
Me.Text = "TextContrastForm"
End Sub
- End Region
Private Sub TextContrastForm_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles MyBase.Paint
Dim g As Graphics = e.Graphics
Dim i As Integer
Dim y As Integer
For i = 0 To 12 Step 1
g.TextContrast = i
Dim line As String = "Contrast = " & i.ToString()
g.DrawString(line, Me.Font, Brushes.Black, 0, y, New StringFormat())
y = y + 30
Next
End Sub
End Class</source>
Text outline
<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class StringOutLine
public Shared Sub Main
Application.Run(New Form1)
End Sub
End class Public Class Form1
Private Sub PictureBox1_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles PictureBox1.Paint
Dim outlinePath As New Drawing2D.GraphicsPath
Dim useFont As Font = New Font("Times New Roman", 96, FontStyle.Regular)
e.Graphics.TextRenderingHint = Drawing.Text.TextRenderingHint.AntiAlias
e.Graphics.SmoothingMode = Drawing2D.SmoothingMode.AntiAlias
outlinePath.AddString("www.vbex.ru", useFont.FontFamily, FontStyle.Regular, 96, New Point(0, 0), StringFormat.GenericTypographic)
useFont.Dispose()
e.Graphics.FillPath(Brushes.LightGray, outlinePath)
e.Graphics.TranslateTransform(-5, -5)
e.Graphics.FillPath(Brushes.White, outlinePath)
e.Graphics.DrawPath(Pens.Black, outlinePath)
outlinePath.Dispose()
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.PictureBox1 = New System.Windows.Forms.PictureBox
CType(Me.PictureBox1, System.ruponentModel.ISupportInitialize).BeginInit()
Me.SuspendLayout()
"
"PictureBox1
"
Me.PictureBox1.BackColor = System.Drawing.Color.White
Me.PictureBox1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle
Me.PictureBox1.Location = New System.Drawing.Point(8, 8)
Me.PictureBox1.Name = "PictureBox1"
Me.PictureBox1.Size = New System.Drawing.Size(780, 152)
Me.PictureBox1.TabIndex = 0
Me.PictureBox1.TabStop = False
"
"Form1
"
Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
Me.ClientSize = New System.Drawing.Size(800, 166)
Me.Controls.Add(Me.PictureBox1)
Me.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedSingle
Me.MaximizeBox = False
Me.Name = "Form1"
Me.Text = "Outline Text"
CType(Me.PictureBox1, System.ruponentModel.ISupportInitialize).EndInit()
Me.ResumeLayout(False)
End Sub
Friend WithEvents PictureBox1 As System.Windows.Forms.PictureBox
End Class</source>
Text Shadow
<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class TextShadow
public Shared Sub Main
Application.Run(New ShadowFontsForm)
End Sub
End class Public Class ShadowFontsForm
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()
"
"ShadowFontsForm
"
Me.AutoScaleBaseSize = New System.Drawing.Size(46, 109)
Me.ClientSize = New System.Drawing.Size(800, 266)
Me.Font = New System.Drawing.Font("Microsoft Sans Serif", 72.0!)
End Sub
- End Region
Private Function GetStringPath(ByVal s As String, ByVal dpi As Single, ByVal rect As RectangleF, ByVal font As Font, ByVal format As StringFormat) As GraphicsPath
Dim path As GraphicsPath = New GraphicsPath()
Dim emSize As Single = dpi * font.SizeInPoints / 72
path.AddString(s, font.FontFamily, CInt(font.Style), emSize, rect, format)
Return path
End Function
Private Sub ShadowFontsForm_Paint(ByVal sender As Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles MyBase.Paint
Dim g As Graphics = e.Graphics
Dim s As String = "www.vbex.ru"
Dim size As SizeF = New SizeF(Me.ClientRectangle.Width - 4, Me.ClientRectangle.Height - 4)
Dim rect As RectangleF = New RectangleF(0, 0, size.Width, size.Height)
Dim pathShadow As GraphicsPath = GetStringPath(s, g.DpiY, New RectangleF(4, 4, size.Width, size.Height), Me.Font, StringFormat.GenericTypographic)
Dim path As GraphicsPath = GetStringPath(s, g.DpiY, rect, Me.Font, StringFormat.GenericTypographic)
g.FillPath(Brushes.Black, pathShadow)
g.FillPath(Brushes.Red, path)
End Sub
End Class</source>
Transform Text
<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms Imports System.Math public class TransformedText
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 txt As String = "The quick brown fox jumps over the lazy dog."
Dim the_font As New Font("Times New Roman", 30, FontStyle.Bold, GraphicsUnit.Pixel)
Dim layout_rect As New RectangleF( 10, 10, 200, 200)
Dim string_format As New StringFormat
string_format.Alignment = StringAlignment.Center
string_format.LineAlignment = StringAlignment.Center
e.Graphics.TranslateTransform(-100, -100, MatrixOrder.Append)
e.Graphics.RotateTransform(60, MatrixOrder.Append)
e.Graphics.TranslateTransform(100,100, MatrixOrder.Append)
e.Graphics.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAliasGridFit
e.Graphics.DrawString(txt, the_font, Brushes.Black, layout_rect, string_format)
e.Graphics.DrawRectangle(Pens.Black, Rectangle.Round(layout_rect))
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>
Transparent string
<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class AlphaBlending
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 curImage As Image = Image.FromFile("yourfile.jpg")
g.DrawImage(curImage, 0, 0, curImage.Width, curImage.Height) "
Dim opqPen As New Pen(Color.FromArgb(255, 0, 255, 0), 10)
Dim transPen As New Pen(Color.FromArgb(128, 0, 255, 0), 10)
Dim totTransPen As New Pen(Color.FromArgb(40, 0, 255, 0), 10)
g.DrawLine(opqPen, 10, 10, 200, 10)
g.DrawLine(transPen, 10, 30, 200, 30)
g.DrawLine(totTransPen, 10, 50, 200, 50)
Dim semiTransBrush As New SolidBrush(Color.FromArgb(90, 255, 255, 0))
g.DrawString("Photo " + ControlChars.Lf + "Date: 04/09/2001", New Font("Verdana", 14), semiTransBrush, New RectangleF(20, 100, 300, 100))
" 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>
Use LinearGradientBrush to draw string
<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class ColorBlending
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 rgBrush As New LinearGradientBrush(New RectangleF(20, 20, 100, 100), Color.Red, Color.Green, LinearGradientMode.Horizontal)
Dim yrBrush As New LinearGradientBrush(New RectangleF(140, 20, 150, 300), Color.Yellow, Color.Red, LinearGradientMode.ForwardDiagonal)
Dim rbBrush As New LinearGradientBrush(New RectangleF(10, 10, 50, 50), Color.Red, Color.Blue, LinearGradientMode.ForwardDiagonal)
g.FillRectangle(rgBrush, 20, 20, 100, 100)
g.FillEllipse(yrBrush, 140, 20, 200, 200)
g.DrawString("Color Blending", New Font("Tahoma", 30), rbBrush, New RectangleF(100, 240, 300, 300))
" 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>
