/usr/share/common-lisp/source/zpb-ttf/bounding-box.lisp is in cl-zpb-ttf 0.7-2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 | ;;; Copyright (c) 2006 Zachary Beane, All Rights Reserved
;;;
;;; Redistribution and use in source and binary forms, with or without
;;; modification, are permitted provided that the following conditions
;;; are met:
;;;
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;;; notice, this list of conditions and the following disclaimer.
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;;; THIS SOFTWARE IS PROVIDED BY THE AUTHOR 'AS IS' AND ANY EXPRESSED
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;;; GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
;;; INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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;;;;
;;;; Bounding boxes, which are common to both the overall font and
;;;; individual glyphs.
;;;;
;;;; bounding-box.lisp,v 1.2 2006/02/18 23:13:43 xach Exp
(in-package :zpb-ttf)
(defgeneric bounding-box (object))
(macrolet ((bbox-accessor (name index)
`(progn
(defgeneric ,name (object)
(:method (object)
(aref (bounding-box object) ,index)))
(defgeneric (setf ,name) (new-value object)
(:method (new-value object)
(setf (aref (bounding-box object) ,index) new-value))))))
(bbox-accessor xmin 0)
(bbox-accessor ymin 1)
(bbox-accessor xmax 2)
(bbox-accessor ymax 3))
(defmethod bounding-box ((object array))
object)
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