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"
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COPYRIGHT (c) 2006 by eXept Software AG
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All Rights Reserved
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This software is furnished under a license and may be used
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only in accordance with the terms of that license and with the
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inclusion of the above copyright notice. This software may not
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be provided or otherwise made available to, or used by, any
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other person. No title to or ownership of the software is
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hereby transferred.
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"
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"{ Package: 'stx:libview2' }"
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PrinterStream subclass:#WinPrinterStream
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instanceVariableNames:'printerContext printJobName printFileName currentLineBuffer
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currentPageBuffer cX cY colNr lineNr pageCount heightOfFont
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jobStarted pageStarted'
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classVariableNames:'PrinterInfo'
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poolDictionaries:''
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category:'Interface-Printing'
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!
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!WinPrinterStream class methodsFor:'documentation'!
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copyright
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"
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COPYRIGHT (c) 2006 by eXept Software AG
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All Rights Reserved
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This software is furnished under a license and may be used
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only in accordance with the terms of that license and with the
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inclusion of the above copyright notice. This software may not
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be provided or otherwise made available to, or used by, any
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other person. No title to or ownership of the software is
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hereby transferred.
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"
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! !
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!WinPrinterStream class methodsFor:'instance creation'!
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new
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| printerContext |
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PrinterInfo := PrintingDialog getPrinterInfo.
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PrinterInfo isNil ifTrue:[^nil].
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printerContext := WinPrinterContext fromPrinterInfo: PrinterInfo.
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^ self basicNew printerContext:printerContext.
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"Modified: / 12-10-2006 / 10:07:36 / fm"
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"Modified: / 16-04-2007 / 12:58:13 / cg"
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!
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newForFile:aFileNameOrNil
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"return a new stream for printing into aFileName"
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|printer|
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printer := self basicNew initialize.
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printer setPrintFileName:aFileNameOrNil.
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printer startPrint.
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^ printer
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"Modified: / 12-10-2006 / 14:35:09 / fm"
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"Modified: / 16-04-2007 / 12:58:18 / cg"
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!
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newNative
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self halt
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"Created: / 10-10-2006 / 18:41:39 / cg"
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! !
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!WinPrinterStream class methodsFor:'queries'!
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isDrivenByCommand
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"return true if this printer is driven via an OS-command
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(as opposed to writing a file or using a native printing API)"
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^ false
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"Created: / 10-10-2006 / 18:22:13 / cg"
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!
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printerTypeName
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"return a descriptive name"
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^ 'windows printer'
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"Created: / 10-10-2006 / 18:26:22 / cg"
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!
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supportsPrintingToFile
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^ false
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"Created: / 10-10-2006 / 18:27:16 / cg"
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! !
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!WinPrinterStream methodsFor:'accessing'!
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fontWidthForTabComputing
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^ 120
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"Created: / 12-10-2006 / 11:59:33 / fm"
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"Modified: / 16-04-2007 / 13:00:05 / cg"
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!
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hasJobStarted
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^jobStarted = true
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"Created: / 12-10-2006 / 14:38:00 / fm"
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"Modified: / 16-04-2007 / 13:00:26 / cg"
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!
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hasPageStarted
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^pageStarted = true
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"Created: / 12-10-2006 / 14:41:39 / fm"
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"Modified: / 16-04-2007 / 13:00:32 / cg"
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!
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heightOfFont
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heightOfFont isNil ifTrue:[heightOfFont := printerContext getCharHeight].
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^heightOfFont
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"Created: / 12-10-2006 / 12:00:57 / fm"
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"Modified: / 16-04-2007 / 13:00:35 / cg"
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!
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linesPerPage
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^printerContext linesPerPageFor: nil
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"Created: / 12-10-2006 / 11:57:53 / fm"
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"Modified: / 16-04-2007 / 13:00:38 / cg"
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!
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printerContext:something
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printerContext := something.
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! !
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!WinPrinterStream methodsFor:'open/close'!
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endPage
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printerContext endPage.
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pageStarted := false.
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"Created: / 12-10-2006 / 14:42:18 / fm"
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"Modified: / 16-04-2007 / 12:58:33 / cg"
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!
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endPrint
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printerContext endPrintJob.
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jobStarted := false.
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"Created: / 10-10-2006 / 18:50:05 / cg"
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"Modified: / 12-10-2006 / 14:41:11 / fm"
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"Modified: / 16-04-2007 / 12:58:36 / cg"
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!
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formFeed
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printerContext formFeed.
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self resetPage
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"Created: / 12-10-2006 / 10:41:40 / fm"
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"Modified: / 12-10-2006 / 14:40:53 / fm"
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"Modified: / 16-04-2007 / 13:00:21 / cg"
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!
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startPage
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printerContext startPage.
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pageStarted := true.
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self resetPage
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"Created: / 12-10-2006 / 14:39:27 / fm"
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"Modified: / 16-04-2007 / 13:00:58 / cg"
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!
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startPrint
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printerContext isNil ifTrue:[
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PrinterInfo isNil ifTrue:[
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PrinterInfo := PrintingDialog getPrinterInfo.
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PrinterInfo isNil ifTrue:[^self].
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].
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printerContext := WinPrinterContext fromPrinterInfo: PrinterInfo.
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].
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printerContext foreground:(Color black) background:(Color white).
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self resetPage.
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printerContext startPrintJob: (printJobName ? 'ST/X PrintJob') fileName:printFileName.
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pageCount := 1.
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jobStarted := true.
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pageStarted := true.
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"Created: / 10-10-2006 / 18:49:55 / cg"
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"Modified: / 12-10-2006 / 15:25:29 / fm"
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"Modified: / 16-04-2007 / 13:01:01 / cg"
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! !
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!WinPrinterStream methodsFor:'private'!
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resetPage
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cX := cY := colNr := lineNr := 0.
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"Created: / 12-10-2006 / 14:40:23 / fm"
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"Modified: / 16-04-2007 / 13:00:52 / cg"
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!
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setPrintFileName:something
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printFileName := something.
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"Created: / 10-10-2006 / 19:07:16 / cg"
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! !
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!WinPrinterStream methodsFor:'writing'!
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cr
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colNr := 0.
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lineNr := lineNr + 1.
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cX := 0 "+ self leftX".
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cY := cY + self heightOfFont.
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lineNr >= self linesPerPage ifTrue:[
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pageCount := pageCount + 1.
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self endPage
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].
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"Modified: / 12-10-2006 / 14:42:57 / fm"
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"Modified: / 16-04-2007 / 12:58:30 / cg"
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!
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nextPut:aCharacter
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self hasJobStarted ifFalse:[self startPrint].
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self hasPageStarted ifFalse:[self startPage].
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aCharacter asciiValue < 16r20 ifTrue:[
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aCharacter == Character cr ifTrue:[
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self cr.
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].
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aCharacter == Character tab ifTrue:[
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colNr := ((colNr + 8) // 8) * 8.
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cX := "self leftX +" (colNr * self fontWidthForTabComputing).
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^ self
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].
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aCharacter == Character newPage ifTrue:[
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self endPage.
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].
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^ self.
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].
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printerContext displayString:aCharacter asString x:cX y:cY.
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colNr := colNr + 1.
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cX := cX + (printerContext stringWidthOf: aCharacter asString).
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"Modified: / 12-10-2006 / 15:06:14 / fm"
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"Modified: / 16-04-2007 / 13:00:44 / cg"
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!
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nextPutAll:aString
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self hasJobStarted ifFalse:[self startPrint].
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self hasPageStarted ifFalse:[self startPage].
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(aString contains:[:char | char asciiValue < 16r20]) ifTrue:[
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super nextPutAll:aString.
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^ self.
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].
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#TODO. "/ use aString, when problem with Text-extent is fixed...
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printerContext displayString: aString string x:cX y:cY.
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colNr := colNr + aString size.
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cX := cX + (printerContext stringWidthOf: aString string).
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"Modified: / 12-10-2006 / 15:21:02 / fm"
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"Modified: / 16-04-2007 / 13:00:46 / cg"
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! !
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!WinPrinterStream class methodsFor:'documentation'!
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version
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^ '$Header: /cvs/stx/stx/libview2/WinPrinterStream.st,v 1.3 2007-04-16 11:02:37 cg Exp $'
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! !
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