Imports Bytescout.PDF

''' <summary>
''' This example demonstrates how to use blend modes - a way how 
''' intersecting semi-transparent objects will blend on page canvas.
''' </summary>
Class Program

    Shared Sub Main()

        ' Create new document
        Dim pdfDocument = New Document()
        pdfDocument.RegistrationName = "demo"
		pdfDocument.RegistrationKey = "demo"

        ' If you wish to load an existing document uncomment the line below And comment the Add page section instead
        ' pdfDocument.Load(".\existing_document.pdf")

        ' Add page
        Dim page = New Page(PaperFormat.A4)
        pdfDocument.Pages.Add(page)

        Dim canvas = page.Canvas

        ' Create transparent brushes
        Dim brushRed = New SolidBrush(New ColorRGB(255, 0, 0))
        brushRed.Opacity = 50
        Dim brushGreen = New SolidBrush(New ColorRGB(0, 255, 0))
        brushGreen.Opacity = 50
        Dim brushBlue = New SolidBrush(New ColorRGB(0, 0, 255))
        brushBlue.Opacity = 50

        ' Normal blending
        canvas.BlendMode = BlendMode.Normal
        canvas.DrawCircle(brushRed, 100, 100, 50)
        canvas.DrawCircle(brushGreen, 100, 150, 50)
        canvas.DrawCircle(brushBlue, 150, 100, 50)

        ' Darken blending
        canvas.BlendMode = BlendMode.Darken
        canvas.DrawCircle(brushRed, 300, 100, 50)
        canvas.DrawCircle(brushGreen, 300, 150, 50)
        canvas.DrawCircle(brushBlue, 350, 100, 50)

        ' Lighten blending
        canvas.BlendMode = BlendMode.Lighten
        canvas.DrawCircle(brushRed, 100, 300, 50)
        canvas.DrawCircle(brushGreen, 100, 350, 50)
        canvas.DrawCircle(brushBlue, 150, 300, 50)

        ' Color burn blending
        canvas.BlendMode = BlendMode.ColorBurn
        canvas.DrawCircle(brushRed, 300, 300, 50)
        canvas.DrawCircle(brushGreen, 300, 350, 50)
        canvas.DrawCircle(brushBlue, 350, 300, 50)

        ' Save document to file
        pdfDocument.Save("result.pdf")

        ' Cleanup 
		pdfDocument.Dispose()

        ' Open document in default PDF viewer app
        Process.Start("result.pdf")

    End Sub

End Class

��'------------------------------------------------------------------------------

' <auto-generated>

'     This code was generated by a tool.

'     Runtime Version:4.0.30319.42000

'

'     Changes to this file may cause incorrect behavior and will be lost if

'     the code is regenerated.

' </auto-generated>

'------------------------------------------------------------------------------



Option Strict On

Option Explicit On



Imports System



Namespace My.Resources

    

    'This class was auto-generated by the StronglyTypedResourceBuilder

    'class via a tool like ResGen or Visual Studio.

    'To add or remove a member, edit your .ResX file then rerun ResGen

    'with the /str option, or rebuild your VS project.

    '''<summary>

    '''  A strongly-typed resource class, for looking up localized strings, etc.

    '''</summary>

    <Global.System.CodeDom.Compiler.GeneratedCodeAttribute("System.Resources.Tools.StronglyTypedResourceBuilder", "4.0.0.0"),  _

     Global.System.Diagnostics.DebuggerNonUserCodeAttribute(),  _

     Global.System.Runtime.CompilerServices.CompilerGeneratedAttribute(),  _

     Global.Microsoft.VisualBasic.HideModuleNameAttribute()>  _

    Friend Module Resources

        

        Private resourceMan As Global.System.Resources.ResourceManager

        

        Private resourceCulture As Global.System.Globalization.CultureInfo

        

        '''<summary>

        '''  Returns the cached ResourceManager instance used by this class.

        '''</summary>

        <Global.System.ComponentModel.EditorBrowsableAttribute(Global.System.ComponentModel.EditorBrowsableState.Advanced)>  _

        Friend ReadOnly Property ResourceManager() As Global.System.Resources.ResourceManager

            Get

                If Object.ReferenceEquals(resourceMan, Nothing) Then

                    Dim temp As Global.System.Resources.ResourceManager = New Global.System.Resources.ResourceManager("BlendModeExample.Resources", GetType(Resources).Assembly)

                    resourceMan = temp

                End If

                Return resourceMan

            End Get

        End Property

        

        '''<summary>

        '''  Overrides the current thread's CurrentUICulture property for all

        '''  resource lookups using this strongly typed resource class.

        '''</summary>

        <Global.System.ComponentModel.EditorBrowsableAttribute(Global.System.ComponentModel.EditorBrowsableState.Advanced)>  _

        Friend Property Culture() As Global.System.Globalization.CultureInfo

            Get

                Return resourceCulture

            End Get

            Set

                resourceCulture = value

            End Set

        End Property

    End Module

End Namespace

��'------------------------------------------------------------------------------

' <auto-generated>

'     This code was generated by a tool.

'     Runtime Version:4.0.30319.42000

'

'     Changes to this file may cause incorrect behavior and will be lost if

'     the code is regenerated.

' </auto-generated>

'------------------------------------------------------------------------------



Option Strict On

Option Explicit On





Namespace My



    <Global.System.Runtime.CompilerServices.CompilerGeneratedAttribute(), _

     Global.System.CodeDom.Compiler.GeneratedCodeAttribute("Microsoft.VisualStudio.Editors.SettingsDesigner.SettingsSingleFileGenerator", "12.0.0.0"), _

     Global.System.ComponentModel.EditorBrowsableAttribute(Global.System.ComponentModel.EditorBrowsableState.Advanced)> _

    Partial Friend NotInheritable Class MySettings

        Inherits Global.System.Configuration.ApplicationSettingsBase



        Private Shared defaultInstance As MySettings = CType(Global.System.Configuration.ApplicationSettingsBase.Synchronized(New MySettings()), MySettings)



#Region "My.Settings Auto-Save Functionality"

#If _MyType = "WindowsForms" Then

    Private Shared addedHandler As Boolean



    Private Shared addedHandlerLockObject As New Object



    <Global.System.Diagnostics.DebuggerNonUserCodeAttribute(), Global.System.ComponentModel.EditorBrowsableAttribute(Global.System.ComponentModel.EditorBrowsableState.Advanced)> _

    Private Shared Sub AutoSaveSettings(ByVal sender As Global.System.Object, ByVal e As Global.System.EventArgs)

        If My.Application.SaveMySettingsOnExit Then

            My.Settings.Save()

        End If

    End Sub

#End If

#End Region



        Public Shared ReadOnly Property [Default]() As MySettings

            Get



#If _MyType = "WindowsForms" Then

               If Not addedHandler Then

                    SyncLock addedHandlerLockObject

                        If Not addedHandler Then

                            AddHandler My.Application.Shutdown, AddressOf AutoSaveSettings

                            addedHandler = True

                        End If

                    End SyncLock

                End If

#End If

                Return defaultInstance

            End Get

        End Property

    End Class

End Namespace



Namespace My



    <Global.Microsoft.VisualBasic.HideModuleNameAttribute(), _

     Global.System.Diagnostics.DebuggerNonUserCodeAttribute(), _

     Global.System.Runtime.CompilerServices.CompilerGeneratedAttribute()> _

    Friend Module MySettingsProperty



        <Global.System.ComponentModel.Design.HelpKeywordAttribute("My.Settings")> _

        Friend ReadOnly Property Settings() As Global.BlendModeExample.My.MySettings

            Get

                Return Global.BlendModeExample.My.MySettings.Default

            End Get

        End Property

    End Module

End Namespace