/usr/share/guile/site/cairo/vector-types.scm is in guile-cairo 1.4.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 51 52 53 54 55 56 57 58 | ;; guile-cairo
;; Copyright (C) 2007 Andy Wingo <wingo at pobox dot com>
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU Lesser General Public License as
;; published by the Free Software Foundation; either version 2.1 of the
;; License, or (at your option) any later version.
;;
;; This program is distributed in the hope that it will be useful, but
;; WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
;; Lesser General Public License for more details.
;;
;; You should have received a copy of the GNU Lesser General Public
;; License along with this program; if not, contact:
;;
;; Free Software Foundation, Inc. Voice: +1-617-542-5942
;; 51 Franklin Street, Fifth Floor Fax: +1-617-542-2652
;; Boston, MA 02110-1301, USA gnu@gnu.org
;;; Commentary:
;;
;; Constructors and accessors for (cairo) vector types.
;;
;;; Code:
(define-module (cairo vector-types))
(define-macro (define-accessors type accessor . fields)
`(begin
,@(map (lambda (field)
;; can't have : as a symbol
`(define-public (,(string->symbol
(string-append
(symbol->string type) ":" (symbol->string field)))
obj)
(,accessor obj ,(list-index fields field))))
fields)))
(define-macro (define-vector-type module type constructor . fields)
`(begin
(define-public (,(symbol-append module '-make- type) ,@fields)
(,constructor ,@fields))
(define-accessors ,(symbol-append module '- type)
,(symbol-append constructor '-ref)
,@fields)))
(define-vector-type cairo rectangle f64vector
x y width height)
(define-vector-type cairo glyph vector
index x y)
(define-vector-type cairo text-extents f64vector
x-bearing y-bearing width height x-advance y-advance)
(define-vector-type cairo font-extents f64vector
ascent descent height max-x-advance max-y-advance)
|