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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 Wed, 14th Sep 2021.
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 Wed, 14th Sep 2021.
Project "Create PDF with CMYK.xojo_binary_project"
FileTypes
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 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.kcpUnicode
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.kcpUnicode
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.kcpUnicode
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
The items on this page are in the following plugins: MBS DynaPDF Plugin.
