| 1 | ;; Common Lisp bindings for librsvg |
| 2 | ;; Copyright 2005 Espen S. Johnsen <espen@users.sf.net> |
| 3 | ;; |
| 4 | ;; Permission is hereby granted, free of charge, to any person obtaining |
| 5 | ;; a copy of this software and associated documentation files (the |
| 6 | ;; "Software"), to deal in the Software without restriction, including |
| 7 | ;; without limitation the rights to use, copy, modify, merge, publish, |
| 8 | ;; distribute, sublicense, and/or sell copies of the Software, and to |
| 9 | ;; permit persons to whom the Software is furnished to do so, subject to |
| 10 | ;; the following conditions: |
| 11 | ;; |
| 12 | ;; The above copyright notice and this permission notice shall be |
| 13 | ;; included in all copies or substantial portions of the Software. |
| 14 | ;; |
| 15 | ;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 16 | ;; EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 17 | ;; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| 18 | ;; IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
| 19 | ;; CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| 20 | ;; TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| 21 | ;; SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 22 | |
| 23 | ;; $Id: rsvg.lisp,v 1.1 2005-11-10 08:53:24 espen Exp $ |
| 24 | |
| 25 | (in-package "RSVG") |
| 26 | |
| 27 | |
| 28 | (eval-when (:compile-toplevel :load-toplevel :execute) |
| 29 | |
| 30 | (defclass dimension-data (struct) |
| 31 | ((width |
| 32 | :allocation :alien |
| 33 | :initarg :width |
| 34 | :accessor dimension-data-width |
| 35 | :type int) |
| 36 | (height |
| 37 | :allocation :alien |
| 38 | :initarg :height |
| 39 | :accessor dimension-data-height |
| 40 | :type int) |
| 41 | (em |
| 42 | :allocation :alien |
| 43 | :initarg :em |
| 44 | :accessor dimension-data-em |
| 45 | :type double-float) |
| 46 | (ex |
| 47 | :allocation :alien |
| 48 | :initarg :ex |
| 49 | :accessor dimension-data-ex |
| 50 | :type double-float)) |
| 51 | (:metaclass struct-class)) |
| 52 | |
| 53 | |
| 54 | (defclass handle (proxy) |
| 55 | ((base-uri |
| 56 | :allocation :virtual |
| 57 | :getter "rsvg_handle_get_base_uri" |
| 58 | :setter "rsvg_handle_set_base_uri" |
| 59 | :accessor handle-base-uri |
| 60 | :type string) |
| 61 | (dimensions |
| 62 | :allocation :virtual |
| 63 | :getter handle-get-dimensions |
| 64 | :reader handle-dimensions |
| 65 | :type dimension-data) |
| 66 | (title |
| 67 | :allocation :virtual |
| 68 | :getter "rsvg_handle_get_title" |
| 69 | :reader handle-title |
| 70 | :type string) |
| 71 | (description |
| 72 | :allocation :virtual |
| 73 | :getter "rsvg_handle_get_desc" |
| 74 | :reader handle-description |
| 75 | :type string) |
| 76 | (metadata |
| 77 | :allocation :virtual |
| 78 | :getter "rsvg_handle_get_metadata" |
| 79 | :reader handle-metadata |
| 80 | :type string)) |
| 81 | (:metaclass proxy-class)) |
| 82 | |
| 83 | ) |
| 84 | |
| 85 | (defbinding init () nil) |
| 86 | (defbinding term () nil) |
| 87 | |
| 88 | (defbinding set-default-dpi () nil |
| 89 | (dpi-x double-float) |
| 90 | (dpi-y double-float)) |
| 91 | |
| 92 | (defbinding handle-set-dpi () nil |
| 93 | (handle handle) |
| 94 | (dpi-x double-float) |
| 95 | (dpi-y double-float)) |
| 96 | |
| 97 | |
| 98 | (defbinding handle-get-dimensions (handle &optional (dimensions (make-instance 'dimension-data))) nil |
| 99 | (handle handle) |
| 100 | (dimensions dimension-data :return)) |
| 101 | |
| 102 | |
| 103 | |
| 104 | (defbinding handle-close () boolean |
| 105 | (handle handle) |
| 106 | (nil gerror :out)) |
| 107 | |
| 108 | (defbinding %handle-new () pointer) |
| 109 | |
| 110 | (defbinding %handle-new-from-file () pointer |
| 111 | (filename pathname) |
| 112 | (nil gerror :out)) |
| 113 | |
| 114 | (defmethod initialize-instance ((handle handle) &key filename) |
| 115 | (multiple-value-bind (location gerror) |
| 116 | (cond |
| 117 | (filename (%handle-new-from-file filename)) |
| 118 | (t (%handle-new))) |
| 119 | (if gerror |
| 120 | (signal-gerror gerror) |
| 121 | (setf (slot-value handle 'location) location))) |
| 122 | (call-next-method)) |
| 123 | |
| 124 | |
| 125 | (defbinding %handle-free () nil |
| 126 | (location pointer)) |
| 127 | |
| 128 | (defmethod unreference-foreign ((class (eql (find-class 'handle))) location) |
| 129 | (%handle-free location)) |
| 130 | |
| 131 | |
| 132 | |
| 133 | |
| 134 | ;;; Cairo interface |
| 135 | |
| 136 | (defbinding cairo-render () nil |
| 137 | (cr cairo:context) |
| 138 | (handle handle)) |