Add baseline debugging gadget
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! Copyright (C) 2008, 2009 Slava Pestov.
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! Copyright (C) 2008, 2009 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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! See http://factorcode.org/license.txt for BSD license.
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USING: kernel accessors sequences ui ui.gadgets ui.gadgets.buttons
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USING: accessors arrays colors.constants combinators kernel
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ui.baseline-alignment ui.render ;
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opengl sequences ui ui.baseline-alignment ui.gadgets
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ui.gadgets.buttons ui.gadgets.labels ui.pens ui.render ui.text ;
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IN: ui.gadgets.debug
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IN: ui.gadgets.debug
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TUPLE: baseline-gadget < gadget baseline cap-height ;
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TUPLE: baseline-gadget < gadget baseline cap-height ;
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@ -35,3 +36,16 @@ M: bad-gadget pref-dim* drop { 100 100 } ;
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: bad-gadget-test ( -- )
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: bad-gadget-test ( -- )
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<bad-button> "Test 1" open-window
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<bad-button> "Test 1" open-window
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<bad-gadget> "Test 2" open-window ;
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<bad-gadget> "Test 2" open-window ;
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SINGLETON: metrics-paint
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M: metrics-paint draw-boundary
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drop
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COLOR: red gl-color
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[ dim>> ] [ >label< line-metrics ] bi
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[ [ first ] [ ascent>> ] bi* [ nip 0 swap 2array ] [ 2array ] 2bi gl-line ]
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[ drop gl-rect ]
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2bi ;
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: <metrics-gadget> ( text font -- gadget )
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[ <label> ] dip >>font metrics-paint >>boundary ;
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