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/DynaPDF/Create PDF with Picture with transparency
Required plugins for this example: MBS DynaPDF Plugin, MBS Main Plugin
You find this example project in your Plugins Download as a Xojo project file within the examples folder: /DynaPDF/Create PDF with Picture with transparency
This example is the version from Sun, 17th Mar 2012.
Project "Create PDF with Picture with transparency.xojo_binary_project"
Class App Inherits Application
Const kEditClear = "&Delete"
Const kFileQuit = "&Quit"
Const kFileQuitShortcut = ""
EventHandler Sub Open()
dim d as new MyDynapdfMBS
dim file as FolderItem
d.SetLicenseKey "Lite" // For this example you can use a Lite, Pro or Enterprise License
file=SpecialFolder.Desktop.Child("Create PDF with Picture with transparency.pdf")
call d.CreateNewPDF file
call d.Append
// no recompressing
call d.SetSaveNewImageFormat(false)
dim e as new DynaPDFExtGStateMBS
// set graphics state, so the image gets 50% transparency as a whole
e.FillAlpha = 0.5
dim ExtGState as integer = d.CreateExtGState(e)
call d.SetExtGState(ExtGState)
// Please note:
// Adding pictures with alpha channel works in Starter edition
// Setting transparency of objects (e.g. picture) requires Lite License or better
// get picture
dim p as Picture = LogoMBS(500)
dim x,y,w,h as integer
dim f as Double
dim dw as integer = d.GetPageWidth-100
dim dh as integer = d.GetPageHeight-100
// scale to fit the page size
f=min(dw/p.Width, dh/p.Height)
w=f*p.Width
h=f*p.Height
x=50+(dw-w)/2
y=50+(dh-h)/2
// add image to pdf
call d.InsertPicture(p, x, y, w, h)
call d.EndPage
call d.CloseFile
file.Launch
End EventHandler
End Class
MenuBar MenuBar1
MenuItem FileMenu = "&File"
MenuItem FileQuit = "#App.kFileQuit"
MenuItem EditMenu = "&Edit"
MenuItem EditUndo = "&Undo"
MenuItem UntitledMenu1 = "-"
MenuItem EditCut = "Cu&t"
MenuItem EditCopy = "&Copy"
MenuItem EditPaste = "&Paste"
MenuItem EditClear = "#App.kEditClear"
MenuItem UntitledMenu0 = "-"
MenuItem EditSelectAll = "Select &All"
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
See also:
- /DynaPDF/Create and print PDF
- /DynaPDF/Create PDF and Email
- /DynaPDF/Create PDF and modify XMP
- /DynaPDF/Create PDF console
- /DynaPDF/Create PDF with DPart Metadata
- /DynaPDF/Create PDF with LAB color
- /DynaPDF/Create PDF with Picture and Mask
- /DynaPDF/Create PDF with PictureMBS
- /DynaPDF/Create PDF with Round Rectangles
- /DynaPDF/Create PDF with Trace
The items on this page are in the following plugins: MBS DynaPDF Plugin.