Xojo Developer Conference
25/27th April 2018 in Denver.
MBS Xojo Conference
6/7th September 2018 in Munich, Germany.

Platforms to show: All Mac Windows Linux Cross-Platform

/DynaPDF/Create PDF with over 2 GB size
Function:
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/Create PDF with over 2 GB size
This example is the version from Sun, 17th Mar 2012.
Project "Create PDF with over 2 GB size.rbp"
FileTypes
Filetype text
End FileTypes
MenuBar MenuBar1
MenuItem UntitledMenu1 = ""
MenuItem FileMenu = "&File"
MenuItem FileQuit = "Quit"
MenuItem EditMenu = "&Edit"
MenuItem EditUndo = "&Undo"
MenuItem UntitledMenu0 = "-"
MenuItem EditCut = "Cu&t"
MenuItem EditCopy = "&Copy"
MenuItem EditPaste = "&Paste"
MenuItem EditClear = "Clear"
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 with over 2 GB size.pdf") pdf.SetLicenseKey "Starter" // For this example you can use a Starter, Lite, Pro or Enterprise License call pdf.CreateNewPDF f // We want to use top-down coordinates 'call pdf.SetPageCoords pdf.kpcTopDown dim pic as new Picture(1000, 1000, 32) System.DebugLog "Fill picture with random pixels..." dim r as RGBSurface = pic.RGBSurface for y as integer = 0 to 999 for x as integer = 0 to 999 r.Pixel(x,y)=rgb(BitwiseAnd(x, 255), BitwiseAnd(x, 255), BitwiseAnd(x+y, 255)) next next dim rr as new random System.DebugLog "Create pages..." for i as integer = 1 to 3000 // make sure all pictures are different, so they are not compressed too much if i mod 100 = 0 then System.DebugLog str(i)+" pages done." end if for j as integer = 0 to 999 r.Pixel(j,j)=rgb(rr.InRange(0,255), rr.InRange(0,255), rr.InRange(0,255)) next call pdf.Append call pdf.SetResolution(300) call pdf.SetSaveNewImageFormat(true) call pdf.SetCompressionFilter(pdf.kcfFlate) call pdf.InsertPicture(pic, 50, 50, 500, 500) call pdf.EndPage // write away data to disc after 10 pages if i mod 10 = 0 then call pdf.FlushPages(pdf.kfpfDefault) end if next call pdf.CloseFile f.Launch quit End EventHandler
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

See also:

Feedback, Comments & Corrections

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




Links
MBS Xojo PDF Plugins