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"
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COPYRIGHT (c) 1995 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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Object subclass:#GraphicsAttributes
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instanceVariableNames:'paint
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font
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lineStyle lineWidth
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joinStyle capStyle
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maskOrigin'
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classVariableNames:''
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poolDictionaries:''
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category:'Graphics-Support'
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!
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GraphicsAttributes comment:'
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COPYRIGHT (c) 1992 by Claus Gittinger
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All Rights Reserved
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157
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$Header: /cvs/stx/stx/libview/GraphicsAttributes.st,v 1.3 1995-07-23 02:27:20 claus Exp $
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'!
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!GraphicsAttributes class methodsFor:'documentation'!
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copyright
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"
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COPYRIGHT (c) 1992 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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version
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"
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157
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$Header: /cvs/stx/stx/libview/GraphicsAttributes.st,v 1.3 1995-07-23 02:27:20 claus Exp $
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"
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!
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documentation
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"
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instances keep multiple graphics attributes as used in a graphicsContext.
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They can be used when multiple attributes are to be set.
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This class is (currently) not used by the system, but has been added
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to make porting of existing ST-80 applications easier.
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Instance variables:
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paint <Color> the paint to be used for drawing
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font <Font> the font to be used for drawing
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lineStyle <Symbol> the lineStyle (i.e. #solid, #dashed, #doubleDashed)
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lineWidth <SmallInteger> the lineWidth (device dependent, usually pixels)
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joinStyle <Symbol> the style in which lines (in polygons)
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are joined (i.e. #miter, #bevel, #round)
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capStyle <Symbol> the style in which the last point of a line is drawn
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(i.e. #notLast, #butt, #round, #projecting)
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maskOrigin <Point> the origin of the mask relative to
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the drawables origin
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CAVEAT: the maskOrigin is called phase in ST-80
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"
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! !
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!GraphicsAttributes methodsFor:'installing'!
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installOn:aGC
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paint notNil ifTrue:[aGC paint:paint].
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font notNil ifTrue:[aGC font:font].
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lineWidth notNil ifTrue:[aGC lineWidth:lineWidth].
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lineStyle notNil ifTrue:[aGC lineStyle:lineStyle].
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joinStyle notNil ifTrue:[aGC joinStyle:joinStyle].
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capStyle notNil ifTrue:[aGC capStyle:capStyle].
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maskOrigin notNil ifTrue:[aGC maskOrigin:capStyle].
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! !
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!GraphicsAttributes methodsFor:'accessing'!
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paint
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"return the current paint drawing color"
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^ paint
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!
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paint:aColor
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"set the drawing painting color"
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paint := aColor
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!
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lineWidth
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"return the drawing linewidth"
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^ lineWidth
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!
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lineWidth:aNumber
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"set the line drawing width in pixels"
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lineWidth := aNumber
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!
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lineStyle
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"return the line-drawing-style"
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^ lineStyle
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!
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lineStyle:aStyleSymbol
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"set the line-drawing-style;
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possible styles are: #solid, #dashed, #doubleDashed"
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lineStyle := aStyleSymbol
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!
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capStyle
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"return the cap-style for line-drawing"
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^ capStyle
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!
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capStyle:aStyleSymbol
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"set the cap-style for line-drawing;
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possible styles are: #notLast, #butt, #round, #projecting"
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capStyle := aStyleSymbol
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!
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joinStyle
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"return the join-style for polygon-drawing"
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^ joinStyle
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!
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joinStyle:aStyleSymbol
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"set the join-style of lines in polygon-drawing;
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possible styles are: #miter, #bevel, #round"
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joinStyle := aStyleSymbol
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!
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font
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"return the drawing font"
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^ font
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!
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font:aFont
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"set the drawing font"
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font := aFont
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!
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maskOrigin:aPoint
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"set the origin within the mask (used to draw with patterns).
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This is an alias for ST-80's #phase"
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maskOrigin := aPoint
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!
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maskOriginX:x y:y
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"set the origin within the mask (used to draw with patterns)."
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^ maskOrigin
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!
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phase:aPoint
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"set the origin within the mask (used to draw with patterns).
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This is an alias for ST/X's #maskOrigin:"
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maskOrigin := aPoint
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!
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phase
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"return the origin within the mask (used to draw with patterns).
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This is an alias for ST/X's #maskOrigin"
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^ maskOrigin
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! !
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