Platforms to show: All Mac Windows Linux Cross-Platform
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/JBig Test
This example is the version from Mon, 2nd Sep 2018.
Project "JBig Test.xojo_binary_project"
Class App Inherits Application
Const kEditClear = "&Delete"
Const kFileQuit = "&Quit"
Const kFileQuitShortcut = ""
EventHandler Sub Open()
MakeTiff
dim TiffFile as FolderItem = SpecialFolder.Desktop.Child("license.tif")
CreatePDF TiffFile, SpecialFolder.Desktop.Child("pdf with flate.pdf" ), DynaPDFMBS.kcfFlate
CreatePDF TiffFile, SpecialFolder.Desktop.Child("pdf with JPEG.pdf" ), DynaPDFMBS.kcfJPEG
CreatePDF TiffFile, SpecialFolder.Desktop.Child("pdf with CCITT3.pdf" ), DynaPDFMBS.kcfCCITT3
CreatePDF TiffFile, SpecialFolder.Desktop.Child("pdf with CCITT4.pdf" ), DynaPDFMBS.kcfCCITT4
CreatePDF TiffFile, SpecialFolder.Desktop.Child("pdf with LZW.pdf" ), DynaPDFMBS.kcfLZW
CreatePDF TiffFile, SpecialFolder.Desktop.Child("pdf with LZWBW.pdf" ), DynaPDFMBS.kcfLZWBW
CreatePDF TiffFile, SpecialFolder.Desktop.Child("pdf with FlateBW.pdf"), DynaPDFMBS.kcfFlateBW
CreatePDF TiffFile, SpecialFolder.Desktop.Child("pdf with JP2K.pdf" ), DynaPDFMBS.kcfJP2K
CreatePDF TiffFile, SpecialFolder.Desktop.Child("pdf with JBIG2.pdf" ), DynaPDFMBS.kcfJBIG2
End EventHandler
Sub CreatePDF(ImageFile as FolderItem, PDFFile as FolderItem, format as integer)
dim d as new MyDynapdfMBS
dim file as FolderItem
d.SetLicenseKey "Starter" // For this example you can use a Starter, Lite, Pro or Enterprise License
call d.CreateNewPDF PDFFile
call d.Append
// set a paper size
call d.SetPageFormat(d.kpfDIN_A4)
call d.SetSaveNewImageFormat(false) // if possible pass through
call d.SetUseTransparency(false) // no transparent color
call d.SetCompressionFilter(format) // no compression
call d.SetResolution(999) // max resolution
dim PicWidth, PicHeight, BitsPerPixel as integer
dim Zip as Boolean
if not d.ReadImageFormat(ImageFile, PicWidth, PicHeight, BitsPerPixel, Zip) then
MsgBox "Can't read image size."
Return
end if
dim PageWidth as integer = d.GetPageWidth
dim PageHeight as integer = d.GetPageHeight
// scale to fit the page size
dim f as double = min(PageWidth/PicWidth, PageHeight/PicHeight)
dim w as integer = f * PicWidth
dim h as integer = f * PicHeight
dim x as integer = (PageWidth-w)/2
dim y as integer = (PageHeight-h)/2
// add image to pdf
if d.InsertImageEx(x, y, w, h, ImageFile) < 0 then
MsgBox "Failed to import image."
Return
end if
call d.EndPage
call d.CloseFile
End Sub
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
Sub MakeTiff()
dim PDFFile as FolderItem = FindFile("license.pdf")
dim TiffFile as FolderItem = SpecialFolder.Desktop.Child("license.tif")
if not TiffFile.Exists then
dim pdf as new MyDynapdfMBS // your DynaPDF subclass with Error event filled
pdf.SetLicenseKey "Pro" // For this example you can use a Pro or Enterprise License
call pdf.CreateNewPDF nil
call pdf.SetImportFlags(pdf.kifImportAll + pdf.kifImportAsPage)
// load CharacterMaps if you want to correctly process asian fonts
'call pdf.SetCMapDir(SpecialFolder.Desktop.Child("CMap"), pdf.klcmRecursive)
// open file
call pdf.OpenImportFile(PDFFile,0,"")
// import the first page
call pdf.ImportPDFPage(1)
// render the page
call pdf.RenderPageToImage(1, TiffFile, 600, 0, 0, DynaPDFRasterImageMBS.krfDefault, DynaPDFRasterizerMBS.kpxf1Bit, DynaPDFMBS.kcfFlate, DynaPDFMBS.kifmTIFF)
end if
End Sub
End Class
Class Window1 Inherits Window
End Class
MenuBar MainMenuBar
MenuItem FileMenu = "&File"
MenuItem FileQuit = "#App.kFileQuit"
MenuItem EditMenu = "&Edit"
MenuItem EditUndo = "&Undo"
MenuItem EditSeparator1 = "-"
MenuItem EditCut = "Cu&t"
MenuItem EditCopy = "&Copy"
MenuItem EditPaste = "&Paste"
MenuItem EditClear = "#App.kEditClear"
MenuItem EditSeparator2 = "-"
MenuItem EditSelectAll = "Select &All"
End MenuBar
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.