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/DynaPDF/CMYK Pictures/Create PDF with CMYK
Function:
Required plugins for this example: MBS DynaPDF Plugin, MBS Images Plugin, MBS Util Plugin
You find this example project in your Plugins Download as a Xojo project file within the examples folder: /DynaPDF/CMYK Pictures/Create PDF with CMYK
This example is the version from Thu, 6th Apr 2016.
Project "Create PDF with CMYK.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 f as FolderItem = SpecialFolder.Desktop.Child("Create PDF with CMYK.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 call pdf.SetSaveNewImageFormat false call pdf.SetCompressionFilter pdf.kcfFlate dim JPEGFile as FolderItem = FindFile("MBSLogo_cmyk.jpg") dim TiffFile as FolderItem = FindFile("MBSLogo_cmyk.tif") call pdf.Append // cmyk call pdf.SetFont "Helvetica", 0, 12, true, pdf.kcp1252 call pdf.WriteText 100,50, "Insert with CMYK color space" call pdf.SetColorSpace(pdf.kcsDeviceCMYK) call pdf.InsertImage(100, 100, 100, 100, JPEGFile) call pdf.InsertImage(300, 100, 100, 100, TiffFile) // rgb call pdf.SetColorSpace(pdf.kcsDeviceRGB) call pdf.SetFont "Helvetica", 0, 12, true, pdf.kcp1252 call pdf.WriteText 100,250, "Insert with RGB color space, so DynaPDF can convert to RGB" call pdf.InsertImage(100, 300, 100, 100, JPEGFile) call pdf.InsertImage(300, 300, 100, 100, TiffFile) call pdf.EndPage call pdf.Append // raw jpeg call pdf.SetColorSpace(pdf.kcsDeviceRGB) call pdf.SetFont "Helvetica", 0, 12, true, pdf.kcp1252 call pdf.WriteText 100, 50, "Insert raw with CMYK color space" call pdf.SetColorSpace(pdf.kcsDeviceCMYK) dim ji as new JPEGImporterMBS ji.file = JPEGFile ji.mode = ji.ModeCMYK ji.ImportCMYK dim m as MemoryBlock = ji.PictureData dim RI as new DynaPDFRawImageMBS ri.BitsPerComponent = 8 ri.CS = pdf.kcsDeviceCMYK ri.HasAlpha = false ri.Height = ji.Height ri.Width = ji.Width ri.NumComponents = 4 ri.setBuffer m ri.Stride = ji.Width*4 ri.CSHandle = -1 dim r1 as Integer = pdf.InsertRawImageEx(100.0, 100.0, 100.0, 100.0, RI) // raw tiff cmyk dim t as new TiffPictureMBS call t.Open(TiffFile) dim rowBytes as integer = t.BytesPerRow dim data as new MemoryBlock(rowBytes*t.height) for i as integer = 0 to t.height-1 m = data.AddressPtrMBS(i*rowBytes) call t.Scanline(m, i) next RI = new DynaPDFRawImageMBS ri.BitsPerComponent = 8 ri.CS = pdf.kcsDeviceCMYK ri.HasAlpha = false ri.Height = t.Height ri.Width = t.Width ri.NumComponents = 4 ri.Stride = rowBytes ri.setBuffer data ri.CSHandle = -1 dim r2 as Integer = pdf.InsertRawImageEx(300.0, 100.0, 100.0, 100.0, RI) call pdf.EndPage call pdf.CloseFile f.Launch quit 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
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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