Linear Gradient Brushes: Normal, Triangle, Bell and custom color : Gradient « 2D « VB.Net






Linear Gradient Brushes: Normal, Triangle, Bell and custom color

Linear Gradient Brushes: Normal, Triangle, Bell and custom color
 
Imports System
Imports System.Collections
Imports System.ComponentModel
Imports System.Windows.Forms
Imports System.Data
Imports System.Configuration
Imports System.Resources
Imports System.Drawing
Imports System.Drawing.Drawing2D

Public Class MainClass
    Shared Sub Main()

        Dim myform As Form = New LinearGradientBrushesForm()
        Application.Run(myform)
    End Sub

End Class

Public Class LinearGradientBrushesForm
    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.ComponentModel.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()
        components = New System.ComponentModel.Container()
        Me.Text = "LinearGradientBrushesForm"
    End Sub

#End Region


    Private Sub LinearGradientBrushesForm_Paint(ByVal sender As Object, ByVal e As PaintEventArgs) Handles MyBase.Paint
        Dim g As Graphics = e.Graphics
        Dim x As Integer = 0
        Dim y As Integer = 0
        Dim width As Integer = Me.ClientRectangle.Width
        Dim height As Integer = Me.ClientRectangle.Height / 4
        Dim blackBrush As Brush = Brushes.Black

        Dim b As LinearGradientBrush = New LinearGradientBrush(Me.ClientRectangle, Color.White, Color.Black, LinearGradientMode.Horizontal)

        g.FillRectangle(b, x, y, width, height)
        g.DrawString("Normal", Me.Font, blackBrush, x, y)
        y = y + height

        b.SetBlendTriangularShape(0.5)
        g.FillRectangle(b, x, y, width, height)
        g.DrawString("Triangle", Me.Font, blackBrush, x, y)
        y = y + height

        b.SetSigmaBellShape(0.5)
        g.FillRectangle(b, x, y, width, height)
        g.DrawString("Bell", Me.Font, blackBrush, x, y)
        y = y + height

        Dim blend As ColorBlend = New ColorBlend()
        blend.Colors = New Color() {Color.White, Color.Red, Color.Black}
        blend.Positions = New Single() {0.0, 0.5, 1.0}
        b.InterpolationColors = blend
        g.FillRectangle(b, x, y, width, height)
        g.DrawString("Custom Colors", Me.Font, blackBrush, x, y)
        y = y + height
    End Sub

End Class

           
         
  








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