' Copyright (c) 2003 UJIHARA Kazuya.  All rights reserved.
'
' Redistribution and use in source and binary forms, with or without
' modification, are permitted provided that the following conditions
' are met:
'
' 1. Redistributions of source code must retain the above copyright
'    notice, this list of conditions and the following disclaimer. 
'
' 2. Redistributions in binary form must reproduce the above copyright
'    notice, this list of conditions and the following disclaimer in
'    the Documentation and/or other materials provided with the
'    distribution.
'
' 3. The end-user Documentation included with the redistribution,
'    if any, must include the following acknowledgment:  
'       "This product includes software developed by 
'        Kazuya Ujihara <http:'www.aurora.dti.ne.jp/~ujihara/>."
'    Alternately, this acknowledgment may appear in the software itself,
'    if and wherever such third-party acknowledgments normally appear.
'
' THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
' WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
' OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
' DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
' ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
' SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
' LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES LOSS OF
' USE, DATA, OR PROFITS OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
' ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
' OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
' OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
' SUCH DAMAGE.
' ====================================================================
'
' This code is free software. It may only be copied or modified
' if you include the following copyright notice:
'
' --> Copyright 2001 by Bruno Lowagie <--
'
' This code is part of the 'iText Tutorial'.
' You can find the complete tutorial at the following address:
' http:'www.lowagie.com/iText/tutorial/
'
' This code is distributed in the hope that it will be useful,
' but WITHOUT ANY WARRANTY without even the implied warranty of
' MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
'
' itext@lowagie.com

Imports System
Imports com.lowagie.text
Imports com.lowagie.text.pdf
Imports java.io

Imports java.util

Public Class Chap0208
    Implements SplitCharacter
    Public Shared Sub Main(ByVal args As String())
        Console.WriteLine("Chapter 2 example 8: split character")

        ' step 1: creation of a document-object
        Dim Document As New Document()

        ' step 2:
        ' we create a writer that listens to the document
        ' and directs a PDF-stream to a file
        Dim Writer As PdfWriter = PdfWriter.getInstance(Document, New FileOutputStream("Chap0208.pdf"))

        ' step 3: we open the document
        Document.open()

        ' step 4:
        ' we add some content
        Dim text As String = "Some.text.to.show.the.splitting.action.of.the.interface."
        Dim Split As New Chap0208()
        Dim ck As New Chunk(text, FontFactory.getFont(FontFactory.HELVETICA, 24))
        Dim p As New Paragraph(24, ck)
        Document.add(New Paragraph("Normal split."))
        Document.add(p)
        ck = New Chunk(text, FontFactory.getFont(FontFactory.HELVETICA, 24))
        ck.setSplitCharacter(Split)
        p = New Paragraph(24, ck)
        Document.add(New Paragraph("The dot '.' is the split character."))
        Document.add(p)
        ' step 5: we close the document
        Document.close()
    End Sub

    Public Overloads Function isSplitCharacter(ByVal start As Integer, ByVal current As Integer, ByVal ende As Integer, ByVal cc() As Char, ByVal ck() As PdfChunk) As Boolean Implements SplitCharacter.isSplitCharacter
        Dim c As Char
        If ck Is Nothing Then
            c = cc(current)
        Else
            c = ck(Math.Min(current, ck.Length - 1)).getUnicodeEquivalent(cc(current))
        End If
        isSplitCharacter = (c = ".")
    End Function
End Class