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/DynaPDF/ComplexText/Alternate Fonts

Required plugins for this example: MBS DynaPDF Plugin

You find this example project in your Plugins Download as a Xojo project file within the examples folder: /DynaPDF/ComplexText/Alternate Fonts

This example is the version from Sun, 15th Jan 2022.

Project "Alternate Fonts.xojo_binary_project"
Filetype text
End FileTypes
MenuBar MenuBar1
MenuItem UntitledMenu1 = ""
MenuItem FileMenu = "&File"
MenuItem FileQuit = "Quit"
MenuItem UntitledMenu5 = ""
MenuItem EditMenu = "&Edit"
MenuItem EditUndo = "&Undo"
MenuItem UntitledMenu0 = "-"
MenuItem EditCut = "Cu&t"
MenuItem EditCopy = "&Copy"
MenuItem EditPaste = "&Paste"
MenuItem EditClear = "Clear"
MenuItem UntitledMenu4 = ""
MenuItem UntitledMenu3 = ""
MenuItem UntitledMenu2 = ""
End MenuBar
Class App Inherits Application
EventHandler Sub Open() Dim pdf As New MyDynapdfMBS dim d as new date dim f as FolderItem = SpecialFolder.Desktop.Child("Create PDF.pdf") pdf.SetLicenseKey "Pro" // For this example you can use a Pro or Enterprise License If Not TargetWindows Then Break MessageBox "This example is only for Windows!" return end if call pdf.CreateNewPDF f call pdf.SetDocInfo pdf.kdiSubject, "My first Xojo output" call pdf.SetDocInfo pdf.kdiProducer, "Xojo test application" call pdf.SetDocInfo pdf.kdiTitle, "My first Xojo output" // We want to use top-down coordinates call pdf.SetPageCoords pdf.kpcTopDown // The fonts in this list are sorted alphabetically because no better order is known. I've chosen //fonts that MS Word used to display the languages of the test file on my system. It is of course //not guaranteed that any of these fonts is available on your system. dim AltFontList(5) as string = Array( _ "Malgun Gothic", _ // Korean "Mangal", _ // Hindi or Marathi "Nyala", _ // Amharic "Shonar Bangla",_ // Bengali "Shruti" ) // Gurjarati Dim file As FolderItem = FindFile("multi_lang.txt") dim fText as string = GetFileBuffer(file) // Enable complex text layout call pdf.SetGStateFlags(pdf.kgfComplexText, false) // This is essentially the same example as font_substitution. The only difference is that we provide // an alternate font list to improve font substitution. dim altFonts as integer = pdf.CreateAltFontList call pdf.SetAltFonts altFonts, AltFontList call pdf.Append // The font must be loaded with cpUnicode. call pdf.SetFont( "Arial", pdf.kfsRegular, 10.0, true, pdf.kcpUnicode) // Activate the alternate font list call pdf.ActivateAltFontList( altFonts, true) dim leading as Double = pdf.GetTypoLeading call pdf.SetLeading( leading ) call pdf.WriteFTextEx( 50.0, 50.0, pdf.GetPageWidth - 100.0, pdf.GetPageHeight - 100.0, pdf.ktaJustify, fText) call pdf.EndPage call pdf.CloseFile f.Launch quit End EventHandler
Function FindFile(name as string) As FolderItem // Look for file in parent folders from executable on dim parent as FolderItem = app.ExecutableFile.Parent while parent<>Nil dim file as FolderItem = parent.Child(name) if file<>Nil and file.Exists then Return file end if parent = parent.Parent wend End Function
Function GetFileBuffer(file as FolderItem) As string // UTF-16 file dim b as BinaryStream = BinaryStream.Open(file) dim s as string = b.Read(b.Length, encodings.UTF16LE) return s End Function
End Class
Class MyDynaPDFMBS Inherits DynaPDFMBS
EventHandler Function Error(ErrorCode as integer, ErrorMessage as string, ErrorType as integer) As integer // output all messages on the console: System.DebugLog str(ErrorCode)+": "+ErrorMessage // and display dialog: Dim d as New MessageDialog //declare the MessageDialog object Dim b as MessageDialogButton //for handling the result d.icon=MessageDialog.GraphicCaution //display warning icon d.ActionButton.Caption="Continue" d.CancelButton.Visible=True //show the Cancel button // a warning or an error? if BitAnd(ErrorType, me.kE_WARNING) = me.kE_WARNING then // if user decided to ignore, we'll ignore if IgnoreWarnings then Return 0 d.Message="A warning occurred while processing your PDF code." // we add a third button to display all warnings d.AlternateActionButton.Caption = "Ignore warnings" d.AlternateActionButton.Visible = true else d.Message="An error occurred while processing your PDF code." end if d.Explanation = str(ErrorCode)+": "+ErrorMessage b=d.ShowModal //display the dialog Select Case b //determine which button was pressed. Case d.ActionButton Return 0 // ignore Case d.AlternateActionButton IgnoreWarnings = true Return 0 // ignore Case d.CancelButton Return -1 // stop End select End EventHandler
Property IgnoreWarnings As Boolean
End Class
End Project

The items on this page are in the following plugins: MBS DynaPDF Plugin.

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