2005-01-31 14:02:09 -05:00
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! Copyright (C) 2005 Slava Pestov.
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! See http://factor.sf.net/license.txt for BSD license.
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IN: gadgets
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2005-02-26 02:11:25 -05:00
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USING: generic hashtables kernel lists math namespaces sdl
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sdl-gfx sdl-ttf sdl-video strings ;
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2005-01-31 14:02:09 -05:00
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! The painting protocol. Painting is controlled by various
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! dynamically-scoped variables.
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! "Paint" is a namespace containing some or all of these values.
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2005-02-03 22:21:51 -05:00
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2005-02-05 11:52:24 -05:00
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: paint-property ( gadget key -- value )
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swap gadget-paint hash ;
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: set-paint-property ( gadget value key -- )
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rot gadget-paint set-hash ;
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2005-02-03 22:21:51 -05:00
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! Colors are lists of three integers, 0..255.
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SYMBOL: foreground ! Used for text and outline shapes.
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SYMBOL: background ! Used for filled shapes.
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SYMBOL: bevel-1
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SYMBOL: bevel-2
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SYMBOL: bevel-up?
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2005-02-02 22:00:46 -05:00
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SYMBOL: font ! a list of two elements, a font name and size.
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2005-01-31 14:02:09 -05:00
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2005-02-02 22:00:46 -05:00
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GENERIC: draw-shape ( obj -- )
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2005-01-31 14:02:09 -05:00
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2005-02-05 22:51:41 -05:00
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! Actual rectangles don't draw; use a hollow-rect, plain-rect
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! or bevel-rect instead.
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2005-02-02 22:00:46 -05:00
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M: rectangle draw-shape drop ;
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2005-02-01 20:14:03 -05:00
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2005-02-02 22:00:46 -05:00
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TUPLE: hollow-rect delegate ;
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C: hollow-rect ( x y w h -- rect )
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[ >r <rectangle> r> set-hollow-rect-delegate ] keep ;
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M: hollow-rect draw-shape ( rect -- )
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2005-02-07 18:27:55 -05:00
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>r surface get r> rect>screen foreground get rgb
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2005-02-03 22:21:51 -05:00
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rectangleColor ;
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2005-02-02 22:00:46 -05:00
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TUPLE: plain-rect delegate ;
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C: plain-rect ( x y w h -- rect )
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[ >r <rectangle> r> set-plain-rect-delegate ] keep ;
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M: plain-rect draw-shape ( rect -- )
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2005-02-07 18:27:55 -05:00
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>r surface get r> rect>screen background get rgb
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2005-02-03 22:21:51 -05:00
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boxColor ;
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2005-02-02 22:00:46 -05:00
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: x1/x2/y1 ( #{ x1 y1 }# #{ x2 y2 }# -- x1 x2 y1 )
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>r >rect r> real swap ;
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: x1/x2/y2 ( #{ x1 y1 }# #{ x2 y2 }# -- x1 x2 y2 )
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>r real r> >rect ;
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: x1/y1/y2 ( #{ x1 y1 }# #{ x2 y2 }# -- x1 y1 y2 )
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>r >rect r> imaginary ;
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: x2/y1/y2 ( #{ x1 y1 }# #{ x2 y2 }# -- x2 y1 y2 )
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>r imaginary r> >rect >r swap r> ;
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2005-02-03 22:21:51 -05:00
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: bevel-up ( -- rgb )
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bevel-up? get [ bevel-1 get ] [ bevel-2 get ] ifte rgb ;
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: bevel-down ( -- rgb )
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bevel-up? get [ bevel-2 get ] [ bevel-1 get ] ifte rgb ;
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2005-02-02 22:00:46 -05:00
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: (draw-bevel) ( #{ x1 y1 }# #{ x2 y2 }# -- )
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2005-02-03 22:21:51 -05:00
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surface get pick pick x1/x2/y1 bevel-up hlineColor
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surface get pick pick x1/x2/y2 bevel-down hlineColor
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surface get pick pick x1/y1/y2 bevel-up vlineColor
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surface get pick pick x2/y1/y2 bevel-down vlineColor
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2005-02-02 22:00:46 -05:00
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2drop ;
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TUPLE: bevel-rect delegate bevel ;
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C: bevel-rect ( bevel x y w h -- rect )
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[ >r <rectangle> r> set-bevel-rect-delegate ] keep
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[ set-bevel-rect-bevel ] keep ;
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: draw-bevel ( #{ x1 y1 }# #{ x2 y2 }# n -- )
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[
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pick over #{ 1 1 }# * +
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pick pick #{ 1 1 }# * -
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(draw-bevel)
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] repeat 2drop ;
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M: bevel-rect draw-shape ( rect -- )
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2005-02-07 18:27:55 -05:00
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rect>screen >r >r rect> r> r> rect> 3 draw-bevel ;
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2005-01-31 14:02:09 -05:00
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2005-02-05 22:51:41 -05:00
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M: line draw-shape ( line -- )
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>r surface get r>
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2005-02-07 18:27:55 -05:00
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line>screen
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2005-02-05 22:51:41 -05:00
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foreground get rgb
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lineColor ;
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M: ellipse draw-shape drop ;
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TUPLE: hollow-ellipse delegate ;
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C: hollow-ellipse ( x y w h -- ellipse )
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[ >r <ellipse> r> set-hollow-ellipse-delegate ] keep ;
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M: hollow-ellipse draw-shape ( ellipse -- )
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>r surface get r> ellipse>screen foreground get rgb
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ellipseColor ;
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TUPLE: plain-ellipse delegate ;
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C: plain-ellipse ( x y w h -- ellipse )
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[ >r <ellipse> r> set-plain-ellipse-delegate ] keep ;
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M: plain-ellipse draw-shape ( ellipse -- )
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>r surface get r> ellipse>screen background get rgb
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2005-02-26 02:11:25 -05:00
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filledEllipseColor ;
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: set-clip ( -- )
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surface get x get y get width get height get make-rect
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SDL_SetClipRect drop ;
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2005-02-05 22:51:41 -05:00
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2005-02-03 18:18:47 -05:00
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: draw-gadget ( gadget -- )
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#! All drawing done inside draw-shape is done with the
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#! gadget's paint. If the gadget does not have any custom
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#! paint, just call the quotation.
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dup gadget-paint [
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dup [
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2005-02-26 02:11:25 -05:00
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set-clip
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dup draw-shape
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dup [
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gadget-children [ draw-gadget ] each
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] with-trans
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] with-clip
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2005-02-03 18:18:47 -05:00
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] bind ;
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2005-02-11 19:09:48 -05:00
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! Strings are shapes too. This is somewhat of a hack and strings
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! do not have x/y co-ordinates.
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M: string shape-x drop 0 ;
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M: string shape-y drop 0 ;
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M: string shape-w
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font get swap size-string ( h -) drop ;
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M: string shape-h ( text -- h )
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#! This is just the height of the current font.
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drop font get lookup-font TTF_FontHeight ;
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M: string draw-shape ( text -- )
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2005-02-11 19:35:50 -05:00
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>r x get y get font get r>
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2005-02-11 19:09:48 -05:00
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foreground get 3unlist make-color
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draw-string drop ;
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