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/DynaPDF/DynaPDF transparent images/DynaPDF transparent images
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/DynaPDF transparent images/DynaPDF transparent images
This example is the version from Thu, 6th Apr 2016.
Project "DynaPDF transparent images.rbp"
Class App Inherits Application
Const kEditClear = "&Löschen"
Const kFileQuit = "Beenden"
Const kFileQuitShortcut = ""
EventHandler Sub Open() dim pdf as new MyDynapdfMBS dim f as Folderitem = SpecialFolder.Desktop.Child("DynaPDF transparent images.pdf") pdf.SetLicenseKey "Starter" // For this example you can use a Starter, Lite, Pro or Enterprise License if pdf.CreateNewPDF(f) then call pdf.SetPageCoords pdf.kpcTopDown call pdf.Append call pdf.SetCompressionFilter(pdf.kcfFlate) call pdf.SetUseTransparency true call pdf.SetSaveNewImageFormat(false) // rect background call pdf.SetColors(pdf.RGB(255,0,0)) call pdf.Rectangle(0,0,900,900,pdf.kfmFill) //draw gif file with trasparency dim gifimg as FolderItem=FindFile("img.gif") dim p as Picture=gifimg.OpenAsPicture call pdf.SetTransparentColor pdf.kNO_COLOR // use gif transparent color call pdf.InsertImageEx(10,10,0,0,gifimg,1) dim pngimg as FolderItem=Findfile("img.png") p=pngimg.OpenAsPicture call pdf.SetTransparentColor pdf.RGB(255,0,0) // use 0 for transparent call pdf.InsertPicture(p,p.mask,10,160,0,0) call pdf.EndPage call pdf.CloseFile f.Launch true quit end if 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
End Class
MenuBar MenuBar1
MenuItem FileMenu = "&Ablage"
MenuItem FileQuit = "#App.kFileQuit"
MenuItem EditMenu = "&Bearbeiten"
MenuItem EditUndo = "&Rückgängig"
MenuItem UntitledMenu1 = "-"
MenuItem EditCut = "&Ausschneiden"
MenuItem EditCopy = "&Kopieren"
MenuItem EditPaste = "&Einfügen"
MenuItem EditClear = "#App.kEditClear"
MenuItem UntitledMenu0 = "-"
MenuItem EditSelectAll = "&Alles auswählen"
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

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




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