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1 | ;; Common Lisp bindings for GTK+ v2.x |
2 | ;; Copyright 2004-2005 Espen S. Johnsen <espen@users.sf.net> |
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3 | ;; |
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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: |
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11 | ;; |
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12 | ;; The above copyright notice and this permission notice shall be |
13 | ;; included in all copies or substantial portions of the Software. |
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14 | ;; |
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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: pixbuf.lisp,v 1.3 2005-04-23 16:48:50 espen Exp $ |
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24 | |
25 | |
26 | (in-package "GDK") |
27 | |
28 | (defbinding pixbuf-get-option () (copy-of string) |
29 | (pixbuf pixbuf) |
30 | (key string)) |
31 | |
32 | (defbinding %pixbuf-new-from-file () (referenced pixbuf) |
33 | (filename pathname) |
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34 | (nil gerror :out)) |
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35 | |
36 | (defbinding %pixbuf-new-from-file-at-size () (referenced pixbuf) |
37 | (filename pathname) |
38 | (width int) |
39 | (height int) |
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40 | (nil gerror :out)) |
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41 | |
42 | #+gtk2.6 |
43 | (defbinding %pixbuf-new-from-file-at-scale () (referenced pixbuf) |
44 | (filename pathname) |
45 | (width int) |
46 | (height int) |
47 | (preserve-aspect-ratio boolean) |
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48 | (nil gerror :out)) |
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49 | |
50 | (defun pixbuf-load (filename &key width height size (preserve-aspect-ratio t)) |
51 | #-gtk2.6 |
52 | (unless preserve-aspect-ratio |
53 | (warn ":preserve-aspect-ratio not supported with this version of Gtk")) |
54 | |
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55 | (multiple-value-bind (pixbuf gerror) |
56 | (cond |
57 | (size |
58 | #-gtk2.6(%pixbuf-new-from-file-at-size filename size size) |
59 | #+gtk2.6(%pixbuf-new-from-file-at-scale filename size size preserve-aspect-ratio)) |
60 | ((and width height) |
61 | #-gtk2.6(%pixbuf-new-from-file-at-size filename width height) |
62 | #+gtk2.6(%pixbuf-new-from-file-at-scale filename width height preserve-aspect-ratio)) |
63 | ((or width height) |
64 | (error "Both :width and :height must be specified")) |
65 | (t (%pixbuf-new-from-file filename))) |
66 | (if gerror |
67 | (signal-gerror gerror) |
68 | pixbuf))) |
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69 | |
70 | |
71 | ;; (defbinding pixbuf-get-file-info () (copy-of pixbuf-format) |
72 | ;; (filename pathname) |
73 | ;; (width int :out) |
74 | ;; (height int :out)) |
75 | |
76 | (defbinding %pixbuf-savev () boolean |
77 | (pixbuf pixbuf) |
78 | (filename pathname) |
79 | (type string) |
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80 | (keys strings) |
81 | (values string) |
82 | (nil gerror :out)) |
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83 | |
84 | (defun pixbuf-save (pixbuf filename type &rest options) |
85 | (let ((keys (make-array 0 :adjustable t :fill-pointer t)) |
86 | (values (make-array 0 :adjustable t :fill-pointer t))) |
87 | (loop |
88 | as (key value . rest) = options then rest |
89 | do (vector-push-extend (string-downcase key) keys) |
90 | (vector-push-extend |
91 | (etypecase value |
92 | (string value) |
93 | (symbol (string-downcase value)) |
94 | (number (format nil "~A" value))) |
95 | values)) |
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96 | (multiple-value-bind (ok-p gerror) |
97 | (%pixbuf-savev pixbuf filename type keys values) |
98 | (unless ok-p |
99 | (signal-gerror gerror))))) |
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100 | |
101 | (defbinding pixbuf-new-from-xpm-data () (referenced pixbuf) |
102 | (data (vector string))) |
103 | |
104 | (defbinding %pixbuf-new-subpixbuf () pixbuf ;; or (referenced pixbuf)? |
105 | (pixbuf pixbuf) |
106 | (x int) (y int) (width int) (height int)) |
107 | |
108 | (defbinding %pixbuf-copy () (referenced pixbuf) |
109 | (pixbuf pixbuf)) |
110 | |
111 | (defun copy-pixbuf (pixbuf &optional x y width height) |
112 | (if (and (not x) (not y) (not width) (not height)) |
113 | (%pixbuf-copy pixbuf) |
114 | (%pixbuf-new-subpixbuf pixbuf x y width height))) |
115 | |
116 | |
117 | ;;; Utilities |
118 | |
119 | (defbinding pixbuf-add-alpha |
120 | (pixbuf &optional substitute-color (red 255) (green 255) (blue 255)) |
121 | (referenced pixbuf) |
122 | (pixbuf pixbuf) |
123 | (substitute-color boolean) |
124 | (red (unsigned 8)) |
125 | (green (unsigned 8)) |
126 | (blue (unsigned 8))) |