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/DynaPDF/Create PDF with LAB color
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/Create PDF with LAB color
This example is the version from Wed, 14th Sep 2021.
Project "Create PDF with LAB color.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 d as new date
dim BlackPoint, gamma, whitepoint, matrix as memoryBlock
dim handle as integer
pdf.SetLicenseKey "Pro" // For this example you can use a Pro or Enterprise License
dim f as FolderItem = SpecialFolder.Desktop.Child("Create PDF with LAB color.pdf")
call pdf.CreateNewPDF f
call pdf.SetViewerPreferences pdf.kvpDisplayDocTitle,pdf.kavNone
call pdf.SetDocInfo pdf.kdiAuthor, "Christian Schmitz"
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
whitepoint=newmemoryBlock(12)
// 0.5 is here an example for a possible X and Z value.
whitepoint.singleValue(0)=0.5 // X:
whitepoint.singleValue(4)=1.0 // Y: must be 1.0
whitepoint.singleValue(8)=0.5 // Z:
// create LAB colorspace
handle=pdf.CreateCIEColorSpace(pdf.kesLab, whitepoint, blackPoint, gamma, matrix)
// set colorspace
call pdf.setextColorSpace handle
// draw with LAB colors
DrawPath pdf, 0,0,pdf.kcmWinding, pdf.kddCounterClockwise, dynapdfMBS.LAB(66,-51, 67)
DrawPath pdf, 110,0,pdf.kcmWinding, pdf.kddClockwise, dynapdfMBS.LAB(81, 9, 87)
DrawPath pdf, 220,0,pdf.kcmEvenOdd, pdf.kddCounterClockwise, dynapdfMBS.LAB(46, 69, 53)
DrawPath pdf, 330,0,pdf.kcmEvenOdd, pdf.kddClockwise, dynapdfMBS.LAB(32, 0,-45)
call pdf.EndPage
call pdf.CloseFile
f.Launch
quit
End EventHandler
Protected Sub DrawPath(pdf as dynapdfmbs, x as double, y as double, clipmode as integer, drawdirection as integer, colorvalue as integer)
call pdf.SaveGraphicState
call pdf.SetFillColor(ColorValue)
call pdf.Triangle(x+100, y+50, x+150, y+150, x+50, y+150, pdf.kfmNoFill)
call pdf.SetDrawDirection(drawdirection)
call pdf.Triangle(x+100, y+180, x+50, y+80, x+150, y+80, pdf.kfmNoFill)
call pdf.ClipPath(clipMode, pdf.kfmFillStroke)
call pdf.SetFont("Times", pdf.kfsBold + pdf.kfsItalic, 40, true, pdf.kcpUnicode)
call pdf.SetFillColor(0)
call pdf.WriteText(x+50, y+90, "CLIPPING")
call pdf.RestoreGraphicState
End Sub
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
See also:
- /DynaPDF/Create and print PDF
- /DynaPDF/Create Fields with JavaScript Actions
- /DynaPDF/Create PDF in memory
- /DynaPDF/Create PDF UA
- /DynaPDF/Create PDF with Angle Text
- /DynaPDF/Create PDF with Czech
- /DynaPDF/Create PDF with Picture
- /DynaPDF/Create PDF with restrictions
- /DynaPDF/Create PDF with Zapf Dingbats
- /DynaPDF/Create Previews for folder
The items on this page are in the following plugins: MBS DynaPDF Plugin.