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1 | /* | |
2 | * Copyright (C) 1989-95 GROUPE BULL | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a copy | |
5 | * of this software and associated documentation files (the "Software"), to | |
6 | * deal in the Software without restriction, including without limitation the | |
7 | * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or | |
8 | * sell copies of the Software, and to permit persons to whom the Software is | |
9 | * furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice shall be included in | |
12 | * all copies or substantial portions of the Software. | |
13 | * | |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
17 | * GROUPE BULL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN | |
18 | * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
19 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
20 | * | |
21 | * Except as contained in this notice, the name of GROUPE BULL shall not be | |
22 | * used in advertising or otherwise to promote the sale, use or other dealings | |
23 | * in this Software without prior written authorization from GROUPE BULL. | |
24 | */ | |
25 | ||
26 | /*****************************************************************************\ | |
27 | * Info.c: * | |
28 | * * | |
29 | * XPM library * | |
30 | * Functions related to the XpmInfo structure. * | |
31 | * * | |
32 | * Developed by Arnaud Le Hors * | |
33 | \*****************************************************************************/ | |
34 | ||
35 | #include "xpmi.h" | |
36 | ||
37 | /* | |
38 | * Init returned data to free safely later on | |
39 | */ | |
40 | void | |
41 | xpmInitXpmInfo(info) | |
42 | XpmInfo *info; | |
43 | { | |
44 | if (info) { | |
45 | info->hints_cmt = NULL; | |
46 | info->colors_cmt = NULL; | |
47 | info->pixels_cmt = NULL; | |
48 | info->extensions = NULL; | |
49 | info->nextensions = 0; | |
50 | } | |
51 | } | |
52 | ||
53 | /* | |
54 | * Free the XpmInfo data which have been allocated | |
55 | */ | |
56 | void | |
57 | XpmFreeXpmInfo(info) | |
58 | XpmInfo *info; | |
59 | { | |
60 | if (info) { | |
61 | if (info->valuemask & XpmComments) { | |
62 | if (info->hints_cmt) { | |
63 | XpmFree(info->hints_cmt); | |
64 | info->hints_cmt = NULL; | |
65 | } | |
66 | if (info->colors_cmt) { | |
67 | XpmFree(info->colors_cmt); | |
68 | info->colors_cmt = NULL; | |
69 | } | |
70 | if (info->pixels_cmt) { | |
71 | XpmFree(info->pixels_cmt); | |
72 | info->pixels_cmt = NULL; | |
73 | } | |
74 | } | |
75 | if (info->valuemask & XpmReturnExtensions && info->nextensions) { | |
76 | XpmFreeExtensions(info->extensions, info->nextensions); | |
77 | info->extensions = NULL; | |
78 | info->nextensions = 0; | |
79 | } | |
80 | info->valuemask = 0; | |
81 | } | |
82 | } | |
83 | ||
84 | /* | |
85 | * Set the XpmInfo valuemask to retrieve required info | |
86 | */ | |
87 | void | |
88 | xpmSetInfoMask(info, attributes) | |
89 | XpmInfo *info; | |
90 | XpmAttributes *attributes; | |
91 | { | |
92 | info->valuemask = 0; | |
93 | if (attributes->valuemask & XpmReturnInfos) | |
94 | info->valuemask |= XpmReturnComments; | |
95 | if (attributes->valuemask & XpmReturnExtensions) | |
96 | info->valuemask |= XpmReturnExtensions; | |
97 | } | |
98 | ||
99 | /* | |
100 | * Fill in the XpmInfo with the XpmAttributes | |
101 | */ | |
102 | void | |
103 | xpmSetInfo(info, attributes) | |
104 | XpmInfo *info; | |
105 | XpmAttributes *attributes; | |
106 | { | |
107 | info->valuemask = 0; | |
108 | if (attributes->valuemask & XpmInfos) { | |
109 | info->valuemask |= XpmComments | XpmColorTable; | |
110 | info->hints_cmt = attributes->hints_cmt; | |
111 | info->colors_cmt = attributes->colors_cmt; | |
112 | info->pixels_cmt = attributes->pixels_cmt; | |
113 | } | |
114 | if (attributes->valuemask & XpmExtensions) { | |
115 | info->valuemask |= XpmExtensions; | |
116 | info->extensions = attributes->extensions; | |
117 | info->nextensions = attributes->nextensions; | |
118 | } | |
119 | if (attributes->valuemask & XpmHotspot) { | |
120 | info->valuemask |= XpmHotspot; | |
121 | info->x_hotspot = attributes->x_hotspot; | |
122 | info->y_hotspot = attributes->y_hotspot; | |
123 | } | |
124 | } |