Platforms to show: All Mac Windows Linux Cross-Platform

/DynaPDF/Raster/RenderPageToImage with color management
Required plugins for this example: MBS Win Plugin, MBS MacBase Plugin, MBS DynaPDF Plugin, MBS Images Plugin, MBS Main Plugin
You find this example project in your Plugins Download as a Xojo project file within the examples folder: /DynaPDF/Raster/RenderPageToImage with color management
This example is the version from Tue, 21th Jan 2019.
Project "RenderPageToImage with color management.xojo_binary_project"
Class App Inherits Application
Const kEditClear = "&Löschen"
Const kFileQuit = "Beenden"
Const kFileQuitShortcut = ""
EventHandler Sub NewDocument() dim f as FolderItem = GetOpenFolderItem(FileTypes1.Pdf) if f<>Nil then OpenDocument f end if End EventHandler
EventHandler Sub OpenDocument(item As FolderItem) run item End EventHandler
Sub run(item as FolderItem) 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 // load CharacterMaps if you want to correctly process asian fonts 'call pdf.SetCMapDir(SpecialFolder.Desktop.Child("CMap"), pdf.klcmRecursive) call pdf.SetImportFlags(pdf.kifImportAll + pdf.kifImportAsPage) // init color management dim ScreenProfile as FolderItem if TargetWin32 then // win plugin ScreenProfile = GetWindowsColorProfileMBS else // mac plugin dim screen as NSScreenMBS = NSScreenMBS.mainScreen dim colorspace as NSColorSpaceMBS = screen.colorSpace if colorspace <> nil then ScreenProfile = colorspace.File end if end if dim profiles as new DynaPDFColorProfilesMBS Profiles.DefInCMYK = nil // default Profiles.DefInGray = nil // default Profiles.DefInRGB = nil // default Profiles.DeviceProfile = ScreenProfile Profiles.SoftProof = nil // default if pdf.InitColorManagement(profiles, pdf.kcsDeviceRGB, pdf.kicmBPCompensation) then // open file call pdf.OpenImportFile(item,0,"") // add page call pdf.Append // import the first page call pdf.ImportPageEx(1,1.0,1.0) call pdf.EndPage dim p as DynaPDFPageMBS = pdf.GetPage(1) dim ra as DynaPDFRectMBS = p.BBox(p.kpbArtBox) dim rb as DynaPDFRectMBS = p.BBox(p.kpbBleedBox) dim rc as DynaPDFRectMBS = p.BBox(p.kpbCropBox) dim rm as DynaPDFRectMBS = p.BBox(p.kpbMediaBox) dim rt as DynaPDFRectMBS = p.BBox(p.kpbTrimBox) // render the page call pdf.RenderPageToImage(1, nil, 72, 0, 0, DynaPDFRasterImageMBS.krfDefault, DynaPDFRasterizerMBS.kpxfRGB, DynaPDFMBS.kcfFlate, DynaPDFMBS.kifmPNG) dim buf as string = pdf.GetImageBuffer dim pic as Picture = PNGStringToPictureMBS(buf) dim w as new PicWindow w.Backdrop = pic end if End Sub
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
Filetype application/pdf
End FileTypes1
Class PicWindow Inherits Window
End Class
End Project

See also:

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

💬 Ask a question or report a problem
The biggest plugin in space...