Platforms to show: All Mac Windows Linux Cross-Platform

/DynaPDF/Create PDF and show in HTMLViewer
Required plugins for this example: MBS MacControls Plugin, MBS DynaPDF Plugin
You find this example project in your Plugins Download as a Xojo project file within the examples folder: /DynaPDF/Create PDF and show in HTMLViewer
This example is the version from Wed, 14th Sep 2021.
Project "Create PDF and show in HTMLViewer.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 pdf.SetLicenseKey "Starter" // For this example you can use a Starter, Lite, Pro or Enterprise License call pdf.CreateNewPDF nil 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 call pdf.Append call pdf.SetFont "Times", pdf.kfsItalic, 40.0, true, pdf.kcpUnicode call pdf.WriteFText pdf.ktaCenter, "My first Xojo output!" call pdf.SetFont "Times", pdf.kfsItalic, 20.0, true, pdf.kcpUnicode call pdf.WriteText 50.0, 180.0, "File created: " + d.LongDate call pdf.EndPage call pdf.CloseFile pdf.GetBuffer 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
Class MainWindow Inherits Window
Control HTMLViewer1 Inherits HTMLViewer
ControlInstance HTMLViewer1 Inherits HTMLViewer
End Control
Sub Run(PDFData as string) const MimeType = "application/pdf" #if TargetWin32 then if HTMLViewer1.Renderer = 0 then // IE // not tested dim data as string = "data:"+MimeType+";base64,"+EncodeBase64(PDFData, 0) HTMLViewer1.LoadURL data elseif HTMLViewer1.Renderer = 0 then dim l as ChromiumBrowserMBS = HTMLViewer1.ChromiumBrowserMBS if l <> nil then // Windows with WebKit // not tested dim data as string = "data:"+MimeType+";base64,"+EncodeBase64(PDFData, 0) dim f as ChromiumFrameMBS = l.MainFrame f.LoadString data, "" end if end if #elseif TargetLinux then dim l as LinuxWebViewMBS = HTMLViewer1.LinuxWebViewMBS if l <> nil then // Linux with WebKit // not tested l.LoadString PDFData, MimeType, "", "" end if #elseif TargetCocoa then // Cocoa, always Webkit, works HTMLViewer1.LoadHTMLStringMBS PDFData, MimeType, "", "" #else Break // todo #endif End Sub
End Class
End Project

See also:

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

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