166 lines
4.4 KiB
Factor
166 lines
4.4 KiB
Factor
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USING: kernel quotations arrays sequences math math.ranges fry
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opengl opengl.gl ui.render ui.gadgets.cartesian processing.shapes
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accessors
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help.syntax
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easy-help ;
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IN: ui.gadgets.plot
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! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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ARTICLE: "ui.gadgets.plot" "Plot Gadget"
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Summary:
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A simple gadget for ploting two dimentional functions.
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Use the arrow keys to move around.
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Use 'a' and 'z' keys to zoom in and out. ..
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Example:
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<plot> [ sin ] add-function gadget. ..
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Example:
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<plot>
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[ sin ] red function boa add-function
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[ cos ] blue function boa add-function
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gadget. ..
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;
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ABOUT: "ui.gadgets.plot"
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! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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TUPLE: plot < cartesian functions points ;
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: init-plot ( plot -- plot )
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init-cartesian
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{ } >>functions
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100 >>points ;
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: <plot> ( -- plot ) plot new init-plot ;
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: step-size ( plot -- step-size )
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[ [ x-max>> ] [ x-min>> ] bi - ] [ points>> ] bi / ;
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: plot-range ( plot -- range )
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[ x-min>> ] [ x-max>> ] [ step-size ] tri <range> ;
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! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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TUPLE: function function color ;
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GENERIC: plot-function ( plot object -- plot )
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M: callable plot-function ( plot quotation -- plot )
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[ dup plot-range ] dip '[ dup @ 2array ] map line-strip ;
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M: function plot-function ( plot function -- plot )
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dup color>> dup [ >stroke-color ] [ drop ] if
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[ dup plot-range ] dip function>> '[ dup @ 2array ] map line-strip ;
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! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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: plot-functions ( plot -- plot ) dup functions>> [ plot-function ] each ;
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: draw-axis ( plot -- plot )
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dup
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[ [ x-min>> ] [ drop 0 ] bi 2array ]
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[ [ x-max>> ] [ drop 0 ] bi 2array ] bi line*
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dup
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[ [ drop 0 ] [ y-min>> ] bi 2array ]
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[ [ drop 0 ] [ y-max>> ] bi 2array ] bi line* ;
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! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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USING: ui.gadgets.slate ;
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M: plot draw-slate ( plot -- plot )
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2 glLineWidth
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draw-axis
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plot-functions
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fill-mode
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1 glLineWidth ;
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! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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: add-function ( plot function -- plot )
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over functions>> swap suffix >>functions ;
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! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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: x-span ( plot -- span ) [ x-max>> ] [ x-min>> ] bi - ;
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: y-span ( plot -- span ) [ y-max>> ] [ y-min>> ] bi - ;
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! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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USING: ui.gestures ui.gadgets ;
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: left ( plot -- plot )
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dup [ x-min>> ] [ x-span 1/10 * ] bi - >>x-min
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dup [ x-max>> ] [ x-span 1/10 * ] bi - >>x-max
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dup relayout-1 ;
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: right ( plot -- plot )
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dup [ x-min>> ] [ x-span 1/10 * ] bi + >>x-min
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dup [ x-max>> ] [ x-span 1/10 * ] bi + >>x-max
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dup relayout-1 ;
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: down ( plot -- plot )
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dup [ y-min>> ] [ y-span 1/10 * ] bi - >>y-min
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dup [ y-max>> ] [ y-span 1/10 * ] bi - >>y-max
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dup relayout-1 ;
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: up ( plot -- plot )
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dup [ y-min>> ] [ y-span 1/10 * ] bi + >>y-min
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dup [ y-max>> ] [ y-span 1/10 * ] bi + >>y-max
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dup relayout-1 ;
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! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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: zoom-in-horizontal ( plot -- plot )
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dup [ x-min>> ] [ x-span 1/10 * ] bi + >>x-min
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dup [ x-max>> ] [ x-span 1/10 * ] bi - >>x-max ;
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: zoom-in-vertical ( plot -- plot )
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dup [ y-min>> ] [ y-span 1/10 * ] bi + >>y-min
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dup [ y-max>> ] [ y-span 1/10 * ] bi - >>y-max ;
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: zoom-in ( plot -- plot )
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zoom-in-horizontal
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zoom-in-vertical
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dup relayout-1 ;
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! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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: zoom-out-horizontal ( plot -- plot )
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dup [ x-min>> ] [ x-span 1/10 * ] bi - >>x-min
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dup [ x-max>> ] [ x-span 1/10 * ] bi + >>x-max ;
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: zoom-out-vertical ( plot -- plot )
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dup [ y-min>> ] [ y-span 1/10 * ] bi - >>y-min
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dup [ y-max>> ] [ y-span 1/10 * ] bi + >>y-max ;
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: zoom-out ( plot -- plot )
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zoom-out-horizontal
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zoom-out-vertical
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dup relayout-1 ;
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! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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plot
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H{
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{ T{ mouse-enter } [ request-focus ] }
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{ T{ key-down f f "LEFT" } [ left drop ] }
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{ T{ key-down f f "RIGHT" } [ right drop ] }
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{ T{ key-down f f "DOWN" } [ down drop ] }
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{ T{ key-down f f "UP" } [ up drop ] }
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{ T{ key-down f f "a" } [ zoom-in drop ] }
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{ T{ key-down f f "z" } [ zoom-out drop ] }
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}
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set-gestures |