Platforms to show: All Mac Windows Linux Cross-Platform
/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"
FileTypes
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.