VB.Net by API/System.Drawing/Rectangle

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Версия от 12:50, 26 мая 2010; Admin (обсуждение | вклад) (1 версия)
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New Rectangle

  
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class CreateRectangleFromSizeAndPoint
   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()
        Dim x As Integer = 40
        Dim y As Integer = 40
        Dim height As Integer = 120
        Dim width As Integer = 120
        Dim pt As New Point(80, 80)
        Dim sz As New Size(100, 100)
        Dim rect1 As New Rectangle(pt, sz)
        Dim redPen As New Pen(Color.Red, 2)
        g.DrawRectangle(redPen, rect1)
        redPen.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


New Rectangle(Int x, Int y, Int w, Int y)

  
Imports System
Imports System.Windows.Forms
Imports System.Drawing

Public Class MainClass
  Shared Sub Main()
     Dim form1 As Form1 = new Form1
     Application.Run(form1)
  End Sub
  
End Class
Public Class Form1
    Inherits System.Windows.Forms.Form
    Public Sub New()
        MyBase.New()
        Me.ClientSize = New System.Drawing.Size(292, 273)
    End Sub
  Protected Overrides Sub OnPaint(ByVal e As PaintEventArgs)
    Dim G As Graphics = e.Graphics
    G.Clear(Color.BurlyWood)
    Dim r As Rectangle = New Rectangle(50, 50, 100, 100)
    Dim b As Brush = Brushes.Crimson
    G.FillRectangle(b, r)
  End Sub
End Class


Rectangle.Ceiling

  
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class RectangleUnionIntersect
   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()
        Dim pt As New PointF(30.8F, 20.7F)
        Dim sz As New SizeF(60.0F, 40.0F)
        Dim rect1 As New RectangleF(pt, sz)
        Dim rect2 As New RectangleF(40.2F, 40.6F, 100.5F, 100.0F)
        Dim rect3 As Rectangle = Rectangle.Ceiling(rect1)
        Dim rect4 As Rectangle = Rectangle.Truncate(rect1)
        Dim rect5 As Rectangle = Rectangle.Round(rect2)
        g.DrawRectangle(Pens.Black, rect3)
        g.DrawRectangle(Pens.Red, rect5)
        Dim isectRect As Rectangle = Rectangle.Intersect(rect3, rect5)
        g.FillRectangle(New SolidBrush(Color.Blue), isectRect)
        Dim inflateSize As New Size(0, 40)
        isectRect.Inflate(inflateSize)
        g.DrawRectangle(Pens.Blue, isectRect)
        rect4 = Rectangle.Empty
        rect4.Location = New Point(50, 50)
        rect4.X = 30
        rect4.Y = 40
        Dim unionRect As Rectangle = Rectangle.Union(rect4, rect5)
        g.DrawRectangle(Pens.Green, unionRect)
        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


Rectangle.Inflate

  
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class RectangleInflate
   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)
        " Create a Graphics object
        Dim g As Graphics = Me.CreateGraphics()
        " Create PointF, SizeF and RectangleF
        Dim pt As New PointF(30.8F, 20.7F)
        Dim sz As New SizeF(60.0F, 40.0F)
        Dim rect2 As New RectangleF(40.2F, 40.6F, 100.5F, 100.0F)
        Dim rect1 As New RectangleF(pt, sz)
        Dim rect3 As Rectangle = Rectangle.Ceiling(rect1)
        Dim rect4 As Rectangle = Rectangle.Truncate(rect1)
        Dim rect5 As Rectangle = Rectangle.Round(rect2)
        " Draw rectangles
        g.DrawRectangle(Pens.Black, rect3)
        g.DrawRectangle(Pens.Red, rect5)
        Dim inflateSize As New Size(0, 40)
        " Inflate rectangle
        rect5.Inflate(inflateSize)
        " Draw new rectangle
        g.DrawRectangle(Pens.Blue, rect5)
  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


Rectangle.Intersect

  
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class RectangleUnionIntersect
   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()
        Dim pt As New PointF(30.8F, 20.7F)
        Dim sz As New SizeF(60.0F, 40.0F)
        Dim rect1 As New RectangleF(pt, sz)
        Dim rect2 As New RectangleF(40.2F, 40.6F, 100.5F, 100.0F)
        Dim rect3 As Rectangle = Rectangle.Ceiling(rect1)
        Dim rect4 As Rectangle = Rectangle.Truncate(rect1)
        Dim rect5 As Rectangle = Rectangle.Round(rect2)
        g.DrawRectangle(Pens.Black, rect3)
        g.DrawRectangle(Pens.Red, rect5)
        Dim isectRect As Rectangle = Rectangle.Intersect(rect3, rect5)
        g.FillRectangle(New SolidBrush(Color.Blue), isectRect)
        Dim inflateSize As New Size(0, 40)
        isectRect.Inflate(inflateSize)
        g.DrawRectangle(Pens.Blue, isectRect)
        rect4 = Rectangle.Empty
        rect4.Location = New Point(50, 50)
        rect4.X = 30
        rect4.Y = 40
        Dim unionRect As Rectangle = Rectangle.Union(rect4, rect5)
        g.DrawRectangle(Pens.Green, unionRect)
        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


Rectangle.Round

  

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
Imports System.Math
public class MeasureCharacterRange
   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 = "www.vbex.ru"
        Dim the_font As New Font("Times New Roman", 50, FontStyle.Bold, GraphicsUnit.Pixel)
        Dim layout_rect As New RectangleF(0, 0, Me.ClientSize.Width, Me.ClientSize.Height)
        Dim string_format As New StringFormat
        string_format.LineAlignment = StringAlignment.Center
        string_format.Alignment = StringAlignment.Center
        e.Graphics.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAliasGridFit
        Dim character_ranges(txt.Length - 1) As CharacterRange
        For i As Integer = 0 To txt.Length - 1
            character_ranges(i) = New CharacterRange(i, 1)
        Next i
        string_format.SetMeasurableCharacterRanges(character_ranges)
        Dim character_regions() As Region = e.Graphics.MeasureCharacterRanges(txt, the_font, layout_rect, string_format)
        For Each rgn As Region In character_regions
            Dim character_bounds As RectangleF = rgn.GetBounds(e.Graphics)
            Dim character_rect As Rectangle = Rectangle.Round(character_bounds)
            e.Graphics.DrawRectangle(Pens.White, character_rect)
        Next rgn
        e.Graphics.DrawString(txt, the_font, Brushes.Black, layout_rect, 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


Rectangle.Top

  
Imports System.Drawing.Text
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class Test
   public Shared Sub Main
        Dim pt As New Point(10, 10)
        Dim sz As New Size(60, 40)
        Dim rect1 As Rectangle = Rectangle.Empty
        Dim rect2 As New Rectangle(20, 30, 30, 10)
        " Set Rectangle properties
        If rect1.IsEmpty Then
            rect1.Location = pt
            rect1.Width = sz.Width
            rect1.Height = sz.Height
        End If
        " Get Rectangle properties
        Dim str As String = "Location:" + rect1.Location.ToString()
        str += ", X:" + rect1.X.ToString()
        str += ", Y:" + rect1.Y.ToString()
        str += ", Left:" + rect1.Left.ToString()
        str += ", Right" + rect1.Right.ToString()
        str += ", Top:" + rect1.Top.ToString()
        str += ", Bottom:" + rect1.Bottom.ToString()
        Console.WriteLine(str)
   End Sub
End class


Rectangle.Truncate

  
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class RectangleUnionIntersect
   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()
        Dim pt As New PointF(30.8F, 20.7F)
        Dim sz As New SizeF(60.0F, 40.0F)
        Dim rect1 As New RectangleF(pt, sz)
        Dim rect2 As New RectangleF(40.2F, 40.6F, 100.5F, 100.0F)
        Dim rect3 As Rectangle = Rectangle.Ceiling(rect1)
        Dim rect4 As Rectangle = Rectangle.Truncate(rect1)
        Dim rect5 As Rectangle = Rectangle.Round(rect2)
        g.DrawRectangle(Pens.Black, rect3)
        g.DrawRectangle(Pens.Red, rect5)
        Dim isectRect As Rectangle = Rectangle.Intersect(rect3, rect5)
        g.FillRectangle(New SolidBrush(Color.Blue), isectRect)
        Dim inflateSize As New Size(0, 40)
        isectRect.Inflate(inflateSize)
        g.DrawRectangle(Pens.Blue, isectRect)
        rect4 = Rectangle.Empty
        rect4.Location = New Point(50, 50)
        rect4.X = 30
        rect4.Y = 40
        Dim unionRect As Rectangle = Rectangle.Union(rect4, rect5)
        g.DrawRectangle(Pens.Green, unionRect)
        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


Rectangle.Union

  
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class RectangleUnion
   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)
        " Create a Graphics object
        Dim g As Graphics = Me.CreateGraphics()
        " Create PointF, SizeF and RectangleF
        Dim pt As New PointF(30.8F, 20.7F)
        Dim sz As New SizeF(60.0F, 40.0F)
        Dim rect2 As New RectangleF(40.2F, 40.6F, 100.5F, 100.0F)
        Dim rect1 As New RectangleF(pt, sz)
        Dim rect3 As Rectangle = Rectangle.Ceiling(rect1)
        Dim rect4 As Rectangle = Rectangle.Truncate(rect1)
        Dim rect5 As Rectangle = Rectangle.Round(rect2)
        " Draw rectangles
        g.DrawRectangle(Pens.Black, rect3)
        g.DrawRectangle(Pens.Red, rect5)
        Dim unionRect As Rectangle = Rectangle.Union(rect4, rect5)
        " Draw new rectangle
        g.DrawRectangle(Pens.Green, unionRect)

  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


Rectangle.X

  
Imports System.Drawing.Text
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class Test
   public Shared Sub Main
        Dim pt As New Point(10, 10)
        Dim sz As New Size(60, 40)
        Dim rect1 As Rectangle = Rectangle.Empty
        Dim rect2 As New Rectangle(20, 30, 30, 10)
        " Set Rectangle properties
        If rect1.IsEmpty Then
            rect1.Location = pt
            rect1.Width = sz.Width
            rect1.Height = sz.Height
        End If
        " Get Rectangle properties
        Dim str As String = "Location:" + rect1.Location.ToString()
        str += ", X:" + rect1.X.ToString()
        str += ", Y:" + rect1.Y.ToString()
        str += ", Left:" + rect1.Left.ToString()
        str += ", Right" + rect1.Right.ToString()
        str += ", Top:" + rect1.Top.ToString()
        str += ", Bottom:" + rect1.Bottom.ToString()
        Console.WriteLine(str)
   End Sub
End class


Rectangle.Y

  
Imports System.Drawing.Text
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class Test
   public Shared Sub Main
        Dim pt As New Point(10, 10)
        Dim sz As New Size(60, 40)
        Dim rect1 As Rectangle = Rectangle.Empty
        Dim rect2 As New Rectangle(20, 30, 30, 10)
        " Set Rectangle properties
        If rect1.IsEmpty Then
            rect1.Location = pt
            rect1.Width = sz.Width
            rect1.Height = sz.Height
        End If
        " Get Rectangle properties
        Dim str As String = "Location:" + rect1.Location.ToString()
        str += ", X:" + rect1.X.ToString()
        str += ", Y:" + rect1.Y.ToString()
        str += ", Left:" + rect1.Left.ToString()
        str += ", Right" + rect1.Right.ToString()
        str += ", Top:" + rect1.Top.ToString()
        str += ", Bottom:" + rect1.Bottom.ToString()
        Console.WriteLine(str)
   End Sub
End class
Источник — «http://vbex.ru/index.php?title=VB.Net_by_API/System.Drawing/Rectangle&oldid=2156»