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"
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COPYRIGHT (c) 1996 by Claus Gittinger
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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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Wrapper subclass:#StrokingWrapper
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instanceVariableNames:'lineWidth'
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classVariableNames:''
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poolDictionaries:''
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category:'Graphics-Display Objects'
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!
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!StrokingWrapper class methodsFor:'documentation'!
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copyright
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"
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COPYRIGHT (c) 1996 by Claus Gittinger
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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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documentation
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"
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a wrapper for a geometric object, which is to be drawn stroked.
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This allows any geometric thingy to be used as a component in a view.
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[see also:]
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FillingWrapper Geometric GraphicsContext
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[author:]
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Claus Gittinger
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"
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!
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examples
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"
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[exBegin]
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|v e component|
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v := (View extent:250@250) openAndWait.
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e := EllipticalArc boundingBox:(10@10 corner:90@90)
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startAngle:0
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sweepAngle:270.
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component := StrokingWrapper on:e.
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component displayOn:v.
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[exEnd]
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[exBegin]
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|v e component|
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v := View new.
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v extent:250@250.
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e := Rectangle origin:10@10 corner:90@90.
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component := FillingWrapper on:e.
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component foregroundColor:Color red.
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v addComponent:component.
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e := EllipticalArc boundingBox:(10@10 corner:90@90)
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startAngle:0 sweepAngle:360.
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component := StrokingWrapper on:e.
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component lineWidth:5.
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v addComponent:component.
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v addComponent:(Button label:'hello').
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v open
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[exEnd]
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"
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! !
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!StrokingWrapper methodsFor:'accessing'!
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bounds
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"return the boundary rectangle - here, must take care of the lineWidth"
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^ component bounds + (lineWidth - 1)
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"Created: 8.5.1996 / 23:22:43 / cg"
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"Modified: 9.5.1996 / 00:09:06 / cg"
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!
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lineWidth
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"return the lineWidth"
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^ lineWidth
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"Created: 8.5.1996 / 23:22:04 / cg"
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"Modified: 9.5.1996 / 00:09:12 / cg"
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!
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lineWidth:aNumber
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"set the lineWidth"
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lineWidth := aNumber
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"Created: 8.5.1996 / 23:22:13 / cg"
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"Modified: 9.5.1996 / 00:09:17 / cg"
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!
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preferredBounds
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"return the components bounds as preferredBounds"
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^ self bounds
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"Created: 8.5.1996 / 23:23:00 / cg"
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"Modified: 9.5.1996 / 00:09:31 / cg"
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! !
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!StrokingWrapper methodsFor:'displaying'!
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displayOn:aGC
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"display myself - here, display the geometric object asStroked"
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|prevLineWidth prevFg|
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prevLineWidth := aGC lineWidth.
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prevFg := aGC paint.
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aGC lineWidth:lineWidth.
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aGC paint:fgColor.
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component displayStrokedOn:aGC.
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aGC lineWidth:prevLineWidth.
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aGC paint:prevFg.
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"Created: 8.5.1996 / 23:24:04 / cg"
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"Modified: 9.5.1996 / 00:11:17 / cg"
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! !
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!StrokingWrapper methodsFor:'initialization'!
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initialize
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"default my lineWidth to one pixel"
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super initialize.
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lineWidth := 1.
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"Created: 8.5.1996 / 23:49:27 / cg"
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"Modified: 9.5.1996 / 00:11:51 / cg"
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! !
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!StrokingWrapper class methodsFor:'documentation'!
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version
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^ '$Header: /cvs/stx/stx/libview2/StrokingWrapper.st,v 1.3 1996-05-08 23:11:08 cg Exp $'
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! !
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