91 lines
2.1 KiB
Scheme
91 lines
2.1 KiB
Scheme
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;-------------------------------------------------------------------------
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;
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; Simple rectangle drawing commands
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;
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; (c) 1996 California Institute of Technology
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; Department of Computer Science
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; Pasadena, CA 91125.
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;
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; Permission to use, copy, modify, and distribute this software
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; and its documentation for any purpose and without fee is hereby
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; granted, provided that the above copyright notice appear in all
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; copies. The California Institute of Technology makes no representations
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; about the suitability of this software for any purpose. It is
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; provided "as is" without express or implied warranty. Export of this
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; software outside of the United States of America may require an
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; export license.
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;
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; $Id: draw.scm,v 1.1.1.1 2008/02/03 20:43:50 tim Exp $
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;
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; Requires: box.scm, drc.scm, label.scm
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;
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;-------------------------------------------------------------------------
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;
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; Draw a layer from current lower left corner of box
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;
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(define draw.layer-nr
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(lambda (layer dx dy)
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(let* ((pos (getbox))
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(llx (car pos))
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(lly (cadr pos)))
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(begin (define nx (+ llx dx))
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(define ny (+ lly dy))
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(box llx lly nx ny)
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(paint layer)
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(list llx lly nx ny)
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)
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)
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)
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)
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(define draw.layer
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(lambda (layer dx dy)
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(let ((pos (getbox)))
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(begin (box.push pos)
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(let ((x (draw.layer-nr layer dx dy)))
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(begin
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(box.pop)
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x
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)
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)
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)
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)
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)
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)
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;
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; Draw a series of vertical rectangles with labels.
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;
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(define draw.vert-rectangles-with-labels
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(lambda (layer-name dx dy spacing labels)
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(if (null? labels)
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#t
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(begin (draw.layer-nr layer-name dx dy)
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(label.draw (car labels) layer-name)
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(box.move 0 (+ spacing dy))
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(draw.vert-rectangles-with-labels
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layer-name dx dy spacing (cdr labels))
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)
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)
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)
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)
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;
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; Draw a series of vertical rectangles
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;
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(define draw.vert-rectangles
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(lambda (layer-name dx dy spacing number)
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(repeat number
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(lambda ()
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(begin (draw.layer-nr layer-name dx dy)
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(box.move 0 (+ spacing dy))
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)
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)
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)
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)
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)
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