Merging r50049 through r50076 from trunk into soc-2011-tomato
[blender.git] / source / blender / editors / space_image / space_image.c
1 /*
2  * ***** BEGIN GPL LICENSE BLOCK *****
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License
6  * as published by the Free Software Foundation; either version 2
7  * of the License, or (at your option) any later version. 
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software Foundation,
16  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17  *
18  * The Original Code is Copyright (C) 2008 Blender Foundation.
19  * All rights reserved.
20  *
21  * 
22  * Contributor(s): Blender Foundation
23  *
24  * ***** END GPL LICENSE BLOCK *****
25  */
26
27 /** \file blender/editors/space_image/space_image.c
28  *  \ingroup spimage
29  */
30
31 #include "DNA_mesh_types.h"
32 #include "DNA_mask_types.h"
33 #include "DNA_meshdata_types.h"
34 #include "DNA_object_types.h"
35 #include "DNA_scene_types.h"
36
37 #include "MEM_guardedalloc.h"
38
39 #include "BLI_blenlib.h"
40 #include "BLI_math.h"
41
42 #include "BKE_colortools.h"
43 #include "BKE_context.h"
44 #include "BKE_image.h"
45 #include "BKE_scene.h"
46 #include "BKE_screen.h"
47 #include "BKE_tessmesh.h"
48 #include "BKE_sequencer.h"
49 #include "BKE_node.h"
50
51 #include "IMB_imbuf_types.h"
52
53 #include "ED_image.h"
54 #include "ED_mask.h"
55 #include "ED_mesh.h"
56 #include "ED_node.h"
57 #include "ED_space_api.h"
58 #include "ED_screen.h"
59 #include "ED_uvedit.h"
60
61 #include "BIF_gl.h"
62
63 #include "RNA_access.h"
64
65 #include "WM_api.h"
66 #include "WM_types.h"
67
68 #include "UI_resources.h"
69 #include "UI_view2d.h"
70
71 #include "image_intern.h"
72
73 /**************************** common state *****************************/
74
75 static void image_scopes_tag_refresh(ScrArea *sa)
76 {
77         SpaceImage *sima = (SpaceImage *)sa->spacedata.first;
78         ARegion *ar;
79
80         /* only while histogram is visible */
81         for (ar = sa->regionbase.first; ar; ar = ar->next) {
82                 if (ar->regiontype == RGN_TYPE_PREVIEW && ar->flag & RGN_FLAG_HIDDEN)
83                         return;
84         }
85
86         sima->scopes.ok = 0;
87 }
88
89
90 /* ******************** manage regions ********************* */
91
92 ARegion *image_has_buttons_region(ScrArea *sa)
93 {
94         ARegion *ar, *arnew;
95
96         ar = BKE_area_find_region_type(sa, RGN_TYPE_UI);
97         if (ar) return ar;
98         
99         /* add subdiv level; after header */
100         ar = BKE_area_find_region_type(sa, RGN_TYPE_HEADER);
101
102         /* is error! */
103         if (ar == NULL) return NULL;
104         
105         arnew = MEM_callocN(sizeof(ARegion), "buttons for image");
106         
107         BLI_insertlinkafter(&sa->regionbase, ar, arnew);
108         arnew->regiontype = RGN_TYPE_UI;
109         arnew->alignment = RGN_ALIGN_LEFT;
110         
111         arnew->flag = RGN_FLAG_HIDDEN;
112         
113         return arnew;
114 }
115
116 ARegion *image_has_scope_region(ScrArea *sa)
117 {
118         ARegion *ar, *arnew;
119
120         ar = BKE_area_find_region_type(sa, RGN_TYPE_PREVIEW);
121         if (ar) return ar;
122
123         /* add subdiv level; after buttons */
124         ar = BKE_area_find_region_type(sa, RGN_TYPE_UI);
125
126         /* is error! */
127         if (ar == NULL) return NULL;
128         
129         arnew = MEM_callocN(sizeof(ARegion), "scopes for image");
130         
131         BLI_insertlinkafter(&sa->regionbase, ar, arnew);
132         arnew->regiontype = RGN_TYPE_PREVIEW;
133         arnew->alignment = RGN_ALIGN_RIGHT;
134         
135         arnew->flag = RGN_FLAG_HIDDEN;
136
137         image_scopes_tag_refresh(sa);
138         
139         return arnew;
140 }
141
142 /* ******************** default callbacks for image space ***************** */
143
144 static SpaceLink *image_new(const bContext *UNUSED(C))
145 {
146         ARegion *ar;
147         SpaceImage *simage;
148         
149         simage = MEM_callocN(sizeof(SpaceImage), "initimage");
150         simage->spacetype = SPACE_IMAGE;
151         simage->zoom = 1.0f;
152         simage->lock = TRUE;
153
154         BKE_color_managed_view_settings_init(&simage->view_settings);
155
156         simage->iuser.ok = TRUE;
157         simage->iuser.fie_ima = 2;
158         simage->iuser.frames = 100;
159         
160         scopes_new(&simage->scopes);
161         simage->sample_line_hist.height = 100;
162
163         /* header */
164         ar = MEM_callocN(sizeof(ARegion), "header for image");
165         
166         BLI_addtail(&simage->regionbase, ar);
167         ar->regiontype = RGN_TYPE_HEADER;
168         ar->alignment = RGN_ALIGN_BOTTOM;
169         
170         /* buttons/list view */
171         ar = MEM_callocN(sizeof(ARegion), "buttons for image");
172         
173         BLI_addtail(&simage->regionbase, ar);
174         ar->regiontype = RGN_TYPE_UI;
175         ar->alignment = RGN_ALIGN_LEFT;
176         ar->flag = RGN_FLAG_HIDDEN;
177         
178         /* scopes */
179         ar = MEM_callocN(sizeof(ARegion), "buttons for image");
180         
181         BLI_addtail(&simage->regionbase, ar);
182         ar->regiontype = RGN_TYPE_PREVIEW;
183         ar->alignment = RGN_ALIGN_RIGHT;
184         ar->flag = RGN_FLAG_HIDDEN;
185
186         /* main area */
187         ar = MEM_callocN(sizeof(ARegion), "main area for image");
188         
189         BLI_addtail(&simage->regionbase, ar);
190         ar->regiontype = RGN_TYPE_WINDOW;
191         
192         return (SpaceLink *)simage;
193 }
194
195 /* not spacelink itself */
196 static void image_free(SpaceLink *sl)
197 {       
198         SpaceImage *simage = (SpaceImage *) sl;
199         
200         if (simage->cumap)
201                 curvemapping_free(simage->cumap);
202         scopes_free(&simage->scopes);
203 }
204
205
206 /* spacetype; init callback, add handlers */
207 static void image_init(struct wmWindowManager *UNUSED(wm), ScrArea *sa)
208 {
209         ListBase *lb = WM_dropboxmap_find("Image", SPACE_IMAGE, 0);
210
211         /* add drop boxes */
212         WM_event_add_dropbox_handler(&sa->handlers, lb);
213         
214 }
215
216 static SpaceLink *image_duplicate(SpaceLink *sl)
217 {
218         SpaceImage *simage = (SpaceImage *) sl;
219         SpaceImage *simagen = MEM_dupallocN(sl);
220         
221         /* clear or remove stuff from old */
222         if (simagen->cumap)
223                 simagen->cumap = curvemapping_copy(simagen->cumap);
224
225         scopes_new(&simagen->scopes);
226
227         BKE_color_managed_view_settings_copy(&simagen->view_settings, &simage->view_settings);
228
229         return (SpaceLink *)simagen;
230 }
231
232 static void image_operatortypes(void)
233 {
234         WM_operatortype_append(IMAGE_OT_view_all);
235         WM_operatortype_append(IMAGE_OT_view_pan);
236         WM_operatortype_append(IMAGE_OT_view_selected);
237         WM_operatortype_append(IMAGE_OT_view_zoom);
238         WM_operatortype_append(IMAGE_OT_view_zoom_in);
239         WM_operatortype_append(IMAGE_OT_view_zoom_out);
240         WM_operatortype_append(IMAGE_OT_view_zoom_ratio);
241         WM_operatortype_append(IMAGE_OT_view_ndof);
242
243         WM_operatortype_append(IMAGE_OT_new);
244         WM_operatortype_append(IMAGE_OT_open);
245         WM_operatortype_append(IMAGE_OT_match_movie_length);
246         WM_operatortype_append(IMAGE_OT_replace);
247         WM_operatortype_append(IMAGE_OT_reload);
248         WM_operatortype_append(IMAGE_OT_save);
249         WM_operatortype_append(IMAGE_OT_save_as);
250         WM_operatortype_append(IMAGE_OT_save_sequence);
251         WM_operatortype_append(IMAGE_OT_pack);
252         WM_operatortype_append(IMAGE_OT_unpack);
253         
254         WM_operatortype_append(IMAGE_OT_invert);
255
256         WM_operatortype_append(IMAGE_OT_cycle_render_slot);
257
258         WM_operatortype_append(IMAGE_OT_sample);
259         WM_operatortype_append(IMAGE_OT_sample_line);
260         WM_operatortype_append(IMAGE_OT_curves_point_set);
261
262         WM_operatortype_append(IMAGE_OT_record_composite);
263
264         WM_operatortype_append(IMAGE_OT_properties);
265         WM_operatortype_append(IMAGE_OT_scopes);
266 }
267
268 static void image_keymap(struct wmKeyConfig *keyconf)
269 {
270         wmKeyMap *keymap = WM_keymap_find(keyconf, "Image Generic", SPACE_IMAGE, 0);
271         wmKeyMapItem *kmi;
272         int i;
273         
274         WM_keymap_add_item(keymap, "IMAGE_OT_new", NKEY, KM_PRESS, KM_ALT, 0);
275         WM_keymap_add_item(keymap, "IMAGE_OT_open", OKEY, KM_PRESS, KM_ALT, 0);
276         WM_keymap_add_item(keymap, "IMAGE_OT_reload", RKEY, KM_PRESS, KM_ALT, 0);
277         WM_keymap_add_item(keymap, "IMAGE_OT_save", SKEY, KM_PRESS, KM_ALT, 0);
278         WM_keymap_add_item(keymap, "IMAGE_OT_save_as", F3KEY, KM_PRESS, 0, 0);
279         WM_keymap_add_item(keymap, "IMAGE_OT_properties", NKEY, KM_PRESS, 0, 0);
280         WM_keymap_add_item(keymap, "IMAGE_OT_scopes", TKEY, KM_PRESS, 0, 0);
281
282         WM_keymap_add_item(keymap, "IMAGE_OT_cycle_render_slot", JKEY, KM_PRESS, 0, 0);
283         RNA_boolean_set(WM_keymap_add_item(keymap, "IMAGE_OT_cycle_render_slot", JKEY, KM_PRESS, KM_ALT, 0)->ptr, "reverse", TRUE);
284         
285         keymap = WM_keymap_find(keyconf, "Image", SPACE_IMAGE, 0);
286         
287         WM_keymap_add_item(keymap, "IMAGE_OT_view_all", HOMEKEY, KM_PRESS, 0, 0);
288         WM_keymap_add_item(keymap, "IMAGE_OT_view_selected", PADPERIOD, KM_PRESS, 0, 0);
289         WM_keymap_add_item(keymap, "IMAGE_OT_view_pan", MIDDLEMOUSE, KM_PRESS, 0, 0);
290         WM_keymap_add_item(keymap, "IMAGE_OT_view_pan", MIDDLEMOUSE, KM_PRESS, KM_SHIFT, 0);
291         WM_keymap_add_item(keymap, "IMAGE_OT_view_pan", MOUSEPAN, 0, 0, 0);
292
293         WM_keymap_add_item(keymap, "IMAGE_OT_view_all", NDOF_BUTTON_FIT, KM_PRESS, 0, 0); // or view selected?
294         WM_keymap_add_item(keymap, "IMAGE_OT_view_ndof", NDOF_MOTION, 0, 0, 0);
295
296         WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_in", WHEELINMOUSE, KM_PRESS, 0, 0);
297         WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_out", WHEELOUTMOUSE, KM_PRESS, 0, 0);
298         WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_in", PADPLUSKEY, KM_PRESS, 0, 0);
299         WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_out", PADMINUS, KM_PRESS, 0, 0);
300         WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom", MIDDLEMOUSE, KM_PRESS, KM_CTRL, 0);
301         WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom", MOUSEZOOM, 0, 0, 0);
302
303         RNA_float_set(WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_ratio", PAD8, KM_PRESS, KM_SHIFT, 0)->ptr, "ratio", 8.0f);
304         RNA_float_set(WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_ratio", PAD4, KM_PRESS, KM_SHIFT, 0)->ptr, "ratio", 4.0f);
305         RNA_float_set(WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_ratio", PAD2, KM_PRESS, KM_SHIFT, 0)->ptr, "ratio", 2.0f);
306         RNA_float_set(WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_ratio", PAD1, KM_PRESS, 0, 0)->ptr, "ratio", 1.0f);
307         RNA_float_set(WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_ratio", PAD2, KM_PRESS, 0, 0)->ptr, "ratio", 0.5f);
308         RNA_float_set(WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_ratio", PAD4, KM_PRESS, 0, 0)->ptr, "ratio", 0.25f);
309         RNA_float_set(WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_ratio", PAD8, KM_PRESS, 0, 0)->ptr, "ratio", 0.125f);
310
311         WM_keymap_add_item(keymap, "IMAGE_OT_sample", ACTIONMOUSE, KM_PRESS, 0, 0);
312         RNA_enum_set(WM_keymap_add_item(keymap, "IMAGE_OT_curves_point_set", ACTIONMOUSE, KM_PRESS, KM_CTRL, 0)->ptr, "point", 0);
313         RNA_enum_set(WM_keymap_add_item(keymap, "IMAGE_OT_curves_point_set", ACTIONMOUSE, KM_PRESS, KM_SHIFT, 0)->ptr, "point", 1);
314
315         /* toggle editmode is handy to have while UV unwrapping */
316         kmi = WM_keymap_add_item(keymap, "OBJECT_OT_mode_set", TABKEY, KM_PRESS, 0, 0);
317         RNA_enum_set(kmi->ptr, "mode", OB_MODE_EDIT);
318         RNA_boolean_set(kmi->ptr, "toggle", TRUE);
319
320         /* fast switch to render slots */
321         for (i = 0; i < MAX2(IMA_MAX_RENDER_SLOT, 9); i++) {
322                 kmi = WM_keymap_add_item(keymap, "WM_OT_context_set_int", ONEKEY + i, KM_PRESS, 0, 0);
323                 RNA_string_set(kmi->ptr, "data_path", "space_data.image.render_slot");
324                 RNA_int_set(kmi->ptr, "value", i);
325         }
326
327         /* pivot */
328         kmi = WM_keymap_add_item(keymap, "WM_OT_context_set_enum", COMMAKEY, KM_PRESS, 0, 0);
329         RNA_string_set(kmi->ptr, "data_path", "space_data.pivot_point");
330         RNA_string_set(kmi->ptr, "value", "CENTER");
331
332         kmi = WM_keymap_add_item(keymap, "WM_OT_context_set_enum", COMMAKEY, KM_PRESS, KM_CTRL, 0);
333         RNA_string_set(kmi->ptr, "data_path", "space_data.pivot_point");
334         RNA_string_set(kmi->ptr, "value", "MEDIAN");
335
336         kmi = WM_keymap_add_item(keymap, "WM_OT_context_set_enum", PERIODKEY, KM_PRESS, 0, 0);
337         RNA_string_set(kmi->ptr, "data_path", "space_data.pivot_point");
338         RNA_string_set(kmi->ptr, "value", "CURSOR");
339 }
340
341 /* dropboxes */
342 static int image_drop_poll(bContext *UNUSED(C), wmDrag *drag, wmEvent *UNUSED(event))
343 {
344         if (drag->type == WM_DRAG_PATH)
345                 if (ELEM3(drag->icon, 0, ICON_FILE_IMAGE, ICON_FILE_BLANK)) /* rule might not work? */
346                         return 1;
347         return 0;
348 }
349
350 static void image_drop_copy(wmDrag *drag, wmDropBox *drop)
351 {
352         /* copy drag path to properties */
353         RNA_string_set(drop->ptr, "filepath", drag->path);
354 }
355
356 /* area+region dropbox definition */
357 static void image_dropboxes(void)
358 {
359         ListBase *lb = WM_dropboxmap_find("Image", SPACE_IMAGE, 0);
360         
361         WM_dropbox_add(lb, "IMAGE_OT_open", image_drop_poll, image_drop_copy);
362 }
363
364 /**
365  * \note take care not to get into feedback loop here,
366  *       calling composite job causes viewer to refresh.
367  */
368 static void image_refresh(const bContext *C, ScrArea *sa)
369 {
370         Scene *scene = CTX_data_scene(C);
371         SpaceImage *sima = sa->spacedata.first;
372         Object *obedit = CTX_data_edit_object(C);
373         Image *ima;
374
375         ima = ED_space_image(sima);
376
377         BKE_image_user_check_frame_calc(&sima->iuser, scene->r.cfra, 0);
378         
379         /* check if we have to set the image from the editmesh */
380         if (ima && (ima->source == IMA_SRC_VIEWER && sima->mode == SI_MODE_MASK)) {
381                 if (sima->lock) {
382                         if (scene->nodetree) {
383                                 Mask *mask = ED_space_image_get_mask(sima);
384                                 if (mask) {
385                                         ED_node_composite_job(C, scene->nodetree, scene);
386                                 }
387                         }
388                 }
389         }
390         else if (ima && (ima->source == IMA_SRC_VIEWER || sima->pin)) {
391                 /* pass */
392         }
393         else if (obedit && obedit->type == OB_MESH) {
394                 Mesh *me = (Mesh *)obedit->data;
395                 struct BMEditMesh *em = me->edit_btmesh;
396                 int sloppy = 1; /* partially selected face is ok */
397
398                 if (BKE_scene_use_new_shading_nodes(scene)) {
399                         /* new shading system, get image from material */
400                         BMFace *efa = BM_active_face_get(em->bm, sloppy);
401
402                         if (efa) {
403                                 Image *node_ima;
404                                 ED_object_get_active_image(obedit, efa->mat_nr + 1, &node_ima, NULL, NULL);
405
406                                 if (node_ima)
407                                         sima->image = node_ima;
408                         }
409                 }
410                 else {
411                         /* old shading system, we set texface */
412                         MTexPoly *tf;
413                         
414                         if (em && EDBM_mtexpoly_check(em)) {
415                                 sima->image = NULL;
416                                 
417                                 tf = EDBM_mtexpoly_active_get(em, NULL, TRUE); /* partially selected face is ok */
418                                 
419                                 if (tf) {
420                                         /* don't need to check for pin here, see above */
421                                         sima->image = tf->tpage;
422                                         
423                                         if (sima->flag & SI_EDITTILE) ;
424                                         else sima->curtile = tf->tile;
425                                 }
426                         }
427                 }
428         }
429 }
430
431 static void image_listener(ScrArea *sa, wmNotifier *wmn)
432 {
433         SpaceImage *sima = (SpaceImage *)sa->spacedata.first;
434         
435         /* context changes */
436         switch (wmn->category) {
437                 case NC_SCENE:
438                         switch (wmn->data) {
439                                 case ND_FRAME:
440                                         image_scopes_tag_refresh(sa);
441                                         ED_area_tag_refresh(sa);
442                                         ED_area_tag_redraw(sa);
443                                         break;
444                                 case ND_MODE:
445                                 case ND_RENDER_RESULT:
446                                 case ND_COMPO_RESULT:
447                                         if (ED_space_image_show_render(sima))
448                                                 image_scopes_tag_refresh(sa);
449                                         ED_area_tag_redraw(sa);
450                                         break;
451                         }
452                         break;
453                 case NC_IMAGE:
454                         if (wmn->reference == sima->image || !wmn->reference) {
455                                 image_scopes_tag_refresh(sa);
456                                 ED_area_tag_refresh(sa);
457                                 ED_area_tag_redraw(sa);
458                         }
459                         break;
460                 case NC_SPACE:  
461                         if (wmn->data == ND_SPACE_IMAGE) {
462                                 image_scopes_tag_refresh(sa);
463                                 ED_area_tag_redraw(sa);
464                         }
465                         break;
466                 case NC_MASK:
467                 {
468                         // Scene *scene = wmn->window->screen->scene;
469                         /* ideally would check for: ED_space_image_check_show_maskedit(scene, sima) but we cant get the scene */
470                         if (sima->mode == SI_MODE_MASK) {
471                                 switch (wmn->data) {
472                                         case ND_SELECT:
473                                                 ED_area_tag_redraw(sa);
474                                                 break;
475                                         case ND_DATA:
476                                         case ND_DRAW:
477                                                 /* causes node-recalc */
478                                                 ED_area_tag_redraw(sa);
479                                                 ED_area_tag_refresh(sa);
480                                                 break;
481                                 }
482                                 switch (wmn->action) {
483                                         case NA_SELECTED:
484                                                 ED_area_tag_redraw(sa);
485                                                 break;
486                                         case NA_EDITED:
487                                                 /* causes node-recalc */
488                                                 ED_area_tag_redraw(sa);
489                                                 ED_area_tag_refresh(sa);
490                                                 break;
491                                 }
492                         }
493                         break;
494                 }
495                 case NC_GEOM:
496                         switch (wmn->data) {
497                                 case ND_DATA:
498                                 case ND_SELECT:
499                                         image_scopes_tag_refresh(sa);
500                                         ED_area_tag_refresh(sa);
501                                         ED_area_tag_redraw(sa);
502                                         break;
503                         }
504                 case NC_OBJECT:
505                 {
506                         Object *ob = (Object *)wmn->reference;
507                         switch (wmn->data) {
508                                 case ND_TRANSFORM:
509                                 case ND_MODIFIER:
510                                         if (ob && (ob->mode & OB_MODE_EDIT) && sima->lock && (sima->flag & SI_DRAWSHADOW)) {
511                                                 ED_area_tag_refresh(sa);
512                                                 ED_area_tag_redraw(sa);
513                                         }
514                                         break;
515                         }
516                 }
517         }
518 }
519
520 const char *image_context_dir[] = {"edit_image", "edit_mask", NULL};
521
522 static int image_context(const bContext *C, const char *member, bContextDataResult *result)
523 {
524         SpaceImage *sima = CTX_wm_space_image(C);
525
526         if (CTX_data_dir(member)) {
527                 CTX_data_dir_set(result, image_context_dir);
528         }
529         else if (CTX_data_equals(member, "edit_image")) {
530                 CTX_data_id_pointer_set(result, (ID *)ED_space_image(sima));
531                 return 1;
532         }
533         else if (CTX_data_equals(member, "edit_mask")) {
534                 Mask *mask = ED_space_image_get_mask(sima);
535                 if (mask) {
536                         CTX_data_id_pointer_set(result, &mask->id);
537                 }
538                 return TRUE;
539         }
540         return 0;
541 }
542
543 /************************** main region ***************************/
544
545 /* sets up the fields of the View2D from zoom and offset */
546 static void image_main_area_set_view2d(SpaceImage *sima, ARegion *ar)
547 {
548         Image *ima = ED_space_image(sima);
549         float x1, y1, w, h;
550         int width, height, winx, winy;
551         
552 #if 0
553         if (image_preview_active(curarea, &width, &height)) ;
554         else
555 #endif
556         ED_space_image_get_size(sima, &width, &height);
557
558         w = width;
559         h = height;
560         
561         if (ima)
562                 h *= ima->aspy / ima->aspx;
563
564         winx = BLI_RCT_SIZE_X(&ar->winrct) + 1;
565         winy = BLI_RCT_SIZE_Y(&ar->winrct) + 1;
566                 
567         ar->v2d.tot.xmin = 0;
568         ar->v2d.tot.ymin = 0;
569         ar->v2d.tot.xmax = w;
570         ar->v2d.tot.ymax = h;
571         
572         ar->v2d.mask.xmin = ar->v2d.mask.ymin = 0;
573         ar->v2d.mask.xmax = winx;
574         ar->v2d.mask.ymax = winy;
575
576         /* which part of the image space do we see? */
577         x1 = ar->winrct.xmin + (winx - sima->zoom * w) / 2.0f;
578         y1 = ar->winrct.ymin + (winy - sima->zoom * h) / 2.0f;
579
580         x1 -= sima->zoom * sima->xof;
581         y1 -= sima->zoom * sima->yof;
582         
583         /* relative display right */
584         ar->v2d.cur.xmin = ((ar->winrct.xmin - (float)x1) / sima->zoom);
585         ar->v2d.cur.xmax = ar->v2d.cur.xmin + ((float)winx / sima->zoom);
586         
587         /* relative display left */
588         ar->v2d.cur.ymin = ((ar->winrct.ymin - (float)y1) / sima->zoom);
589         ar->v2d.cur.ymax = ar->v2d.cur.ymin + ((float)winy / sima->zoom);
590         
591         /* normalize 0.0..1.0 */
592         ar->v2d.cur.xmin /= w;
593         ar->v2d.cur.xmax /= w;
594         ar->v2d.cur.ymin /= h;
595         ar->v2d.cur.ymax /= h;
596 }
597
598 /* add handlers, stuff you only do once or on area/region changes */
599 static void image_main_area_init(wmWindowManager *wm, ARegion *ar)
600 {
601         wmKeyMap *keymap;
602         
603         // image space manages own v2d
604         // UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_STANDARD, ar->winx, ar->winy);
605
606         /* mask polls mode */
607         keymap = WM_keymap_find(wm->defaultconf, "Mask Editing", 0, 0);
608         WM_event_add_keymap_handler_bb(&ar->handlers, keymap, &ar->v2d.mask, &ar->winrct);
609
610         /* image paint polls for mode */
611         keymap = WM_keymap_find(wm->defaultconf, "Image Paint", 0, 0);
612         WM_event_add_keymap_handler_bb(&ar->handlers, keymap, &ar->v2d.mask, &ar->winrct);
613
614         keymap = WM_keymap_find(wm->defaultconf, "UV Editor", 0, 0);
615         WM_event_add_keymap_handler(&ar->handlers, keymap);
616         
617         keymap = WM_keymap_find(wm->defaultconf, "UV Sculpt", 0, 0);
618         WM_event_add_keymap_handler(&ar->handlers, keymap);
619
620         /* own keymaps */
621         keymap = WM_keymap_find(wm->defaultconf, "Image Generic", SPACE_IMAGE, 0);
622         WM_event_add_keymap_handler(&ar->handlers, keymap);
623         keymap = WM_keymap_find(wm->defaultconf, "Image", SPACE_IMAGE, 0);
624         WM_event_add_keymap_handler_bb(&ar->handlers, keymap, &ar->v2d.mask, &ar->winrct);
625
626 }
627
628 static void image_main_area_draw(const bContext *C, ARegion *ar)
629 {
630         /* draw entirely, view changes should be handled here */
631         SpaceImage *sima = CTX_wm_space_image(C);
632         Object *obact = CTX_data_active_object(C);
633         Object *obedit = CTX_data_edit_object(C);
634         Mask *mask = NULL;
635         Scene *scene = CTX_data_scene(C);
636         View2D *v2d = &ar->v2d;
637         //View2DScrollers *scrollers;
638         float col[3];
639         
640         /* XXX not supported yet, disabling for now */
641         scene->r.scemode &= ~R_COMP_CROP;
642         
643         /* clear and setup matrix */
644         UI_GetThemeColor3fv(TH_BACK, col);
645         glClearColor(col[0], col[1], col[2], 0.0);
646         glClear(GL_COLOR_BUFFER_BIT);
647
648         /* put scene context variable in iuser */
649         sima->iuser.scene = scene;
650
651         /* we set view2d from own zoom and offset each time */
652         image_main_area_set_view2d(sima, ar);
653
654         /* we draw image in pixelspace */
655         draw_image_main(C, ar);
656
657         /* and uvs in 0.0-1.0 space */
658         UI_view2d_view_ortho(v2d);
659         draw_uvedit_main(sima, ar, scene, obedit, obact);
660
661         /* check for mask (delay draw) */
662         if (ED_space_image_show_uvedit(sima, obedit)) {
663                 /* pass */
664         }
665         else if (sima->mode == SI_MODE_MASK) {
666                 mask = ED_space_image_get_mask(sima);
667                 draw_image_cursor(sima, ar);
668         }
669
670         ED_region_draw_cb_draw(C, ar, REGION_DRAW_POST_VIEW);
671
672         /* Grease Pencil too (in addition to UV's) */
673         draw_image_grease_pencil((bContext *)C, 1); 
674
675         /* sample line */
676         draw_image_sample_line(sima);
677
678         UI_view2d_view_restore(C);
679
680         /* draw Grease Pencil - screen space only */
681         draw_image_grease_pencil((bContext *)C, 0);
682
683         if (mask) {
684                 int width, height;
685                 ED_space_image_get_size(sima, &width, &height);
686                 ED_mask_draw_region(mask, ar,
687                                     sima->mask_info.draw_flag, sima->mask_info.draw_type,
688                                     width, height,
689                                     TRUE, FALSE,
690                                     NULL, C);
691
692                 ED_mask_draw_frames(mask, ar, CFRA, mask->sfra, mask->efra);
693
694                 draw_image_cursor(sima, ar);
695         }
696
697         /* scrollers? */
698 #if 0
699         scrollers = UI_view2d_scrollers_calc(C, v2d, V2D_UNIT_VALUES, V2D_GRID_CLAMP, V2D_ARG_DUMMY, V2D_ARG_DUMMY);
700         UI_view2d_scrollers_draw(C, v2d, scrollers);
701         UI_view2d_scrollers_free(scrollers);
702 #endif
703 }
704
705 static void image_main_area_listener(ARegion *ar, wmNotifier *wmn)
706 {
707         /* context changes */
708         switch (wmn->category) {
709                 case NC_SCREEN:
710                         if (wmn->data == ND_GPENCIL)
711                                 ED_region_tag_redraw(ar);
712                         break;
713         }
714 }
715
716 /* *********************** buttons region ************************ */
717
718 /* add handlers, stuff you only do once or on area/region changes */
719 static void image_buttons_area_init(wmWindowManager *wm, ARegion *ar)
720 {
721         wmKeyMap *keymap;
722
723         ED_region_panels_init(wm, ar);
724         
725         keymap = WM_keymap_find(wm->defaultconf, "Image Generic", SPACE_IMAGE, 0);
726         WM_event_add_keymap_handler(&ar->handlers, keymap);
727 }
728
729 static void image_buttons_area_draw(const bContext *C, ARegion *ar)
730 {
731         ED_region_panels(C, ar, 1, NULL, -1);
732 }
733
734 static void image_buttons_area_listener(ARegion *ar, wmNotifier *wmn)
735 {
736         /* context changes */
737         switch (wmn->category) {
738                 case NC_SCREEN:
739                         if (wmn->data == ND_GPENCIL)
740                                 ED_region_tag_redraw(ar);
741                         break;
742                 case NC_BRUSH:
743                         if (wmn->action == NA_EDITED)
744                                 ED_region_tag_redraw(ar);
745                         break;
746                 case NC_TEXTURE:
747                 case NC_MATERIAL:
748                         /* sending by texture render job and needed to properly update displaying
749                          * brush texture icon */
750                         ED_region_tag_redraw(ar);
751                         break;
752         }
753 }
754
755 /* *********************** scopes region ************************ */
756
757 /* add handlers, stuff you only do once or on area/region changes */
758 static void image_scope_area_init(wmWindowManager *wm, ARegion *ar)
759 {
760         wmKeyMap *keymap;
761         
762         ED_region_panels_init(wm, ar);
763         
764         keymap = WM_keymap_find(wm->defaultconf, "Image Generic", SPACE_IMAGE, 0);
765         WM_event_add_keymap_handler(&ar->handlers, keymap);
766 }
767
768 static void image_scope_area_draw(const bContext *C, ARegion *ar)
769 {
770         SpaceImage *sima = CTX_wm_space_image(C);
771         Scene *scene = CTX_data_scene(C);
772         void *lock;
773         ImBuf *ibuf = ED_space_image_acquire_buffer(sima, &lock);
774         if (ibuf) {
775                 if (!sima->scopes.ok) {
776                         BKE_histogram_update_sample_line(&sima->sample_line_hist, ibuf, scene->r.color_mgt_flag & R_COLOR_MANAGEMENT);
777                 }
778                 scopes_update(&sima->scopes, ibuf, scene->r.color_mgt_flag & R_COLOR_MANAGEMENT);
779         }
780         ED_space_image_release_buffer(sima, lock);
781         
782         ED_region_panels(C, ar, 1, NULL, -1);
783 }
784
785 static void image_scope_area_listener(ARegion *ar, wmNotifier *wmn)
786 {
787         /* context changes */
788         switch (wmn->category) {
789                 case NC_SCENE:
790                         switch (wmn->data) {
791                                 case ND_MODE:
792                                 case ND_RENDER_RESULT:
793                                 case ND_COMPO_RESULT:
794                                         ED_region_tag_redraw(ar);
795                                         break;
796                         }
797                         break;
798                 case NC_IMAGE:
799                         ED_region_tag_redraw(ar);
800                         break;
801                 case NC_NODE:
802                         ED_region_tag_redraw(ar);
803                         break;
804                         
805         }
806 }
807
808 /************************* header region **************************/
809
810 /* add handlers, stuff you only do once or on area/region changes */
811 static void image_header_area_init(wmWindowManager *UNUSED(wm), ARegion *ar)
812 {
813         ED_region_header_init(ar);
814 }
815
816 static void image_header_area_draw(const bContext *C, ARegion *ar)
817 {
818         ED_region_header(C, ar);
819 }
820
821 static void image_header_area_listener(ARegion *ar, wmNotifier *wmn)
822 {
823         /* context changes */
824         switch (wmn->category) {
825                 case NC_SCENE:
826                         switch (wmn->data) {
827                                 case ND_MODE:
828                                 case ND_TOOLSETTINGS:
829                                         ED_region_tag_redraw(ar);
830                                         break;
831                         }
832                         break;
833                 case NC_GEOM:
834                         switch (wmn->data) {
835                                 case ND_DATA:
836                                 case ND_SELECT:
837                                         ED_region_tag_redraw(ar);
838                                         break;
839                         }
840                         
841         }
842 }
843
844 /**************************** spacetype *****************************/
845
846 /* only called once, from space/spacetypes.c */
847 void ED_spacetype_image(void)
848 {
849         SpaceType *st = MEM_callocN(sizeof(SpaceType), "spacetype image");
850         ARegionType *art;
851         
852         st->spaceid = SPACE_IMAGE;
853         strncpy(st->name, "Image", BKE_ST_MAXNAME);
854         
855         st->new = image_new;
856         st->free = image_free;
857         st->init = image_init;
858         st->duplicate = image_duplicate;
859         st->operatortypes = image_operatortypes;
860         st->keymap = image_keymap;
861         st->dropboxes = image_dropboxes;
862         st->refresh = image_refresh;
863         st->listener = image_listener;
864         st->context = image_context;
865         
866         /* regions: main window */
867         art = MEM_callocN(sizeof(ARegionType), "spacetype image region");
868         art->regionid = RGN_TYPE_WINDOW;
869         art->keymapflag = ED_KEYMAP_FRAMES | ED_KEYMAP_GPENCIL;
870         art->init = image_main_area_init;
871         art->draw = image_main_area_draw;
872         art->listener = image_main_area_listener;
873
874         BLI_addhead(&st->regiontypes, art);
875         
876         /* regions: listview/buttons */
877         art = MEM_callocN(sizeof(ARegionType), "spacetype image region");
878         art->regionid = RGN_TYPE_UI;
879         art->prefsizex = 220; // XXX
880         art->keymapflag = ED_KEYMAP_UI | ED_KEYMAP_FRAMES;
881         art->listener = image_buttons_area_listener;
882         art->init = image_buttons_area_init;
883         art->draw = image_buttons_area_draw;
884         BLI_addhead(&st->regiontypes, art);
885
886         image_buttons_register(art);
887         ED_uvedit_buttons_register(art);
888         
889         /* regions: statistics/scope buttons */
890         art = MEM_callocN(sizeof(ARegionType), "spacetype image region");
891         art->regionid = RGN_TYPE_PREVIEW;
892         art->prefsizex = 220; // XXX
893         art->keymapflag = ED_KEYMAP_UI | ED_KEYMAP_FRAMES;
894         art->listener = image_scope_area_listener;
895         art->init = image_scope_area_init;
896         art->draw = image_scope_area_draw;
897         BLI_addhead(&st->regiontypes, art);
898
899         /* regions: header */
900         art = MEM_callocN(sizeof(ARegionType), "spacetype image region");
901         art->regionid = RGN_TYPE_HEADER;
902         art->prefsizey = HEADERY;
903         art->keymapflag = ED_KEYMAP_UI | ED_KEYMAP_VIEW2D | ED_KEYMAP_FRAMES | ED_KEYMAP_HEADER;
904         art->listener = image_header_area_listener;
905         art->init = image_header_area_init;
906         art->draw = image_header_area_draw;
907         
908         BLI_addhead(&st->regiontypes, art);
909         
910         BKE_spacetype_register(st);
911 }
912