Win64: forrget include
[blender.git] / source / blender / blenkernel / intern / icons.c
1 /**
2 * $Id$
3 *
4 * ***** BEGIN GPL LICENSE BLOCK *****
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version. 
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 * GNU General Public License for more details.
15
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software Foundation,
18 * Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
19
20 * The Original Code is Copyright (C) 2006-2007 Blender Foundation.
21 * All rights reserved.
22
23 * The Original Code is: all of this file.
24
25 * Contributor(s): none yet.
26
27 * ***** END GPL LICENSE BLOCK *****
28 *
29 */
30
31 #include <math.h>
32 #include <stdlib.h>
33 #include <string.h>
34
35 #ifdef HAVE_CONFIG_H
36 #include <config.h>
37 #endif
38
39 #include "MEM_guardedalloc.h"
40
41 #include "DNA_ID.h"
42 #include "DNA_image_types.h"
43 #include "DNA_lamp_types.h"
44 #include "DNA_material_types.h"
45 #include "DNA_texture_types.h"
46 #include "DNA_world_types.h"
47
48 #include "BLI_ghash.h"
49
50 #include "BKE_icons.h"
51 #include "BKE_utildefines.h"
52
53 #include "BLO_sys_types.h" // for intptr_t support
54
55 #define GS(a)   (*((short *)(a)))
56
57 /* GLOBALS */
58
59 static GHash* gIcons = NULL;
60
61 static int gNextIconId = 1;
62
63 static int gFirstIconId = 1;
64
65
66 static void icon_free(void *val)
67 {
68         Icon* icon = val;
69
70         if (icon)
71         {
72                 if (icon->drawinfo_free) {              
73                         icon->drawinfo_free(icon->drawinfo);
74                 }
75                 else if (icon->drawinfo) {
76                         MEM_freeN(icon->drawinfo);
77                 }
78                 MEM_freeN(icon);
79         }
80 }
81
82 /* create an id for a new icon and make sure that ids from deleted icons get reused
83    after the integer number range is used up */
84 static int get_next_free_id()
85 {
86         int startId = gFirstIconId;
87
88         /* if we haven't used up the int number range, we just return the next int */
89         if (gNextIconId>=gFirstIconId)
90                 return gNextIconId++;
91         
92         /* now we try to find the smallest icon id not stored in the gIcons hash */
93         while (BLI_ghash_lookup(gIcons, SET_INT_IN_POINTER(startId)) && startId>=gFirstIconId) 
94                 startId++;
95
96         /* if we found a suitable one that isnt used yet, return it */
97         if (startId>=gFirstIconId)
98                 return startId;
99
100         /* fail */
101         return 0;
102 }
103
104 void BKE_icons_init(int first_dyn_id)
105 {
106         gNextIconId = first_dyn_id;
107         gFirstIconId = first_dyn_id;
108
109         if (!gIcons)
110                 gIcons = BLI_ghash_new(BLI_ghashutil_inthash, BLI_ghashutil_intcmp);
111 }
112
113 void BKE_icons_free()
114 {
115         if(gIcons)
116                 BLI_ghash_free(gIcons, 0, icon_free);
117         gIcons = NULL;
118 }
119
120 struct PreviewImage* BKE_previewimg_create() 
121 {
122         PreviewImage* prv_img = NULL;
123         int i;
124
125         prv_img = MEM_callocN(sizeof(PreviewImage), "img_prv");
126
127         for (i=0; i<PREVIEW_MIPMAPS; ++i) {
128                 prv_img->changed[i] = 1;
129         }
130         return prv_img;
131 }
132
133 void BKE_previewimg_free(PreviewImage **prv)
134 {
135         if(prv && (*prv)) {
136                 int i;
137                 
138                 for (i=0; i<PREVIEW_MIPMAPS;++i) {
139                         if ((*prv)->rect[i]) {
140                                 MEM_freeN((*prv)->rect[i]);
141                                 (*prv)->rect[i] = NULL;
142                         }
143                 }
144                 MEM_freeN((*prv));
145                 *prv = NULL;
146         }
147 }
148
149 struct PreviewImage* BKE_previewimg_copy(PreviewImage *prv) 
150 {
151         PreviewImage* prv_img = NULL;
152         int i;
153
154         if (prv) {
155                 prv_img = MEM_dupallocN(prv);
156                 for (i=0; i < PREVIEW_MIPMAPS; ++i) {
157                         if (prv->rect[i]) {
158                                 prv_img->rect[i] = MEM_dupallocN(prv->rect[i]);
159                         } else {
160                                 prv_img->rect[i] = NULL;
161                         }
162                 }
163         }
164         return prv_img;
165 }
166
167 void BKE_previewimg_free_id(ID *id) 
168 {
169         if (GS(id->name) == ID_MA) {
170                 Material *mat = (Material*)id;  
171                 BKE_previewimg_free(&mat->preview);
172         } else if (GS(id->name) == ID_TE) {
173                 Tex *tex = (Tex*)id;
174                 BKE_previewimg_free(&tex->preview);
175         } else if (GS(id->name) == ID_WO) {
176                 World *wo = (World*)id;
177                 BKE_previewimg_free(&wo->preview);
178         } else if (GS(id->name) == ID_LA) {
179                 Lamp *la  = (Lamp*)id;
180                 BKE_previewimg_free(&la->preview);
181         } else if (GS(id->name) == ID_IM) {
182                 Image *img  = (Image*)id;
183                 BKE_previewimg_free(&img->preview);
184         }
185 }
186
187 PreviewImage* BKE_previewimg_get(ID *id) 
188 {
189         PreviewImage* prv_img = NULL;
190
191         if (GS(id->name) == ID_MA) {
192                 Material *mat = (Material*)id;  
193                 if (!mat->preview) mat->preview = BKE_previewimg_create();
194                 prv_img = mat->preview;
195         } else if (GS(id->name) == ID_TE) {
196                 Tex *tex = (Tex*)id;
197                 if (!tex->preview) tex->preview = BKE_previewimg_create();
198                 prv_img = tex->preview;
199         } else if (GS(id->name) == ID_WO) {
200                 World *wo = (World*)id;
201                 if (!wo->preview) wo->preview = BKE_previewimg_create();
202                 prv_img = wo->preview;
203         } else if (GS(id->name) == ID_LA) {
204                 Lamp *la  = (Lamp*)id;
205                 if (!la->preview) la->preview = BKE_previewimg_create();
206                 prv_img = la->preview;
207         } else if (GS(id->name) == ID_IM) {
208                 Image *img  = (Image*)id;
209                 if (!img->preview) img->preview = BKE_previewimg_create();
210                 prv_img = img->preview;
211         } 
212
213         return prv_img;
214 }
215
216 void BKE_icon_changed(int id)
217 {
218         Icon* icon = 0;
219         
220         if (!id) return;
221
222         icon = BLI_ghash_lookup(gIcons, SET_INT_IN_POINTER(id));
223         
224         if (icon)
225         {
226                 PreviewImage *prv = BKE_previewimg_get((ID*)icon->obj);
227
228                 /* all previews changed */
229                 if (prv) {
230                         int i;
231                         for (i=0; i<PREVIEW_MIPMAPS; ++i) {
232                                 prv->changed[i] = 1;
233                         }
234                 }
235         }       
236 }
237
238 int BKE_icon_getid(struct ID* id)
239 {
240         Icon* new_icon = 0;
241
242         if (!id)
243                 return 0;
244
245         if (id->icon_id)
246                 return id->icon_id;
247
248         id->icon_id = get_next_free_id();
249
250         if (!id->icon_id){
251                 printf("BKE_icon_getid: Internal error - not enough IDs\n");
252                 return 0;
253         }
254
255         new_icon = MEM_callocN(sizeof(Icon), "texicon");
256
257         new_icon->obj = id;
258         new_icon->type = GS(id->name);
259         
260         /* next two lines make sure image gets created */
261         new_icon->drawinfo = 0;
262         new_icon->drawinfo_free = 0;
263
264         BLI_ghash_insert(gIcons, SET_INT_IN_POINTER(id->icon_id), new_icon);
265         
266         return id->icon_id;
267 }
268
269 Icon* BKE_icon_get(int icon_id)
270 {
271         Icon* icon = 0;
272
273         icon = BLI_ghash_lookup(gIcons, SET_INT_IN_POINTER(icon_id));
274         
275         if (!icon) {
276                 printf("BKE_icon_get: Internal error, no icon for icon ID: %d\n", icon_id);
277                 return 0;
278         }
279
280         return icon;
281 }
282
283 void BKE_icon_set(int icon_id, struct Icon* icon)
284 {
285         Icon* old_icon = 0;
286
287         old_icon = BLI_ghash_lookup(gIcons, SET_INT_IN_POINTER(icon_id));
288
289         if (old_icon)
290         {
291                 printf("BKE_icon_set: Internal error, icon already set: %d\n", icon_id);
292                 return;
293         }
294
295         BLI_ghash_insert(gIcons, SET_INT_IN_POINTER(icon_id), icon);
296 }
297
298 void BKE_icon_delete(struct ID* id)
299 {
300
301         if (!id->icon_id) return; /* no icon defined for library object */
302
303         BLI_ghash_remove(gIcons, SET_INT_IN_POINTER(id->icon_id), 0, icon_free);
304         id->icon_id = 0;
305 }