Merging r50224 through r50225 from trunk into soc-2011-tomato
[blender-staging.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_global.h"
46 #include "BKE_scene.h"
47 #include "BKE_screen.h"
48 #include "BKE_tessmesh.h"
49 #include "BKE_sequencer.h"
50 #include "BKE_node.h"
51
52 #include "IMB_imbuf_types.h"
53
54 #include "ED_image.h"
55 #include "ED_mask.h"
56 #include "ED_mesh.h"
57 #include "ED_node.h"
58 #include "ED_space_api.h"
59 #include "ED_screen.h"
60 #include "ED_uvedit.h"
61
62 #include "BIF_gl.h"
63
64 #include "RNA_access.h"
65
66 #include "WM_api.h"
67 #include "WM_types.h"
68
69 #include "UI_resources.h"
70 #include "UI_view2d.h"
71
72 #include "image_intern.h"
73
74 /**************************** common state *****************************/
75
76 static void image_scopes_tag_refresh(ScrArea *sa)
77 {
78         SpaceImage *sima = (SpaceImage *)sa->spacedata.first;
79         ARegion *ar;
80
81         /* only while histogram is visible */
82         for (ar = sa->regionbase.first; ar; ar = ar->next) {
83                 if (ar->regiontype == RGN_TYPE_PREVIEW && ar->flag & RGN_FLAG_HIDDEN)
84                         return;
85         }
86
87         sima->scopes.ok = 0;
88 }
89
90
91 /* ******************** manage regions ********************* */
92
93 ARegion *image_has_buttons_region(ScrArea *sa)
94 {
95         ARegion *ar, *arnew;
96
97         ar = BKE_area_find_region_type(sa, RGN_TYPE_UI);
98         if (ar) return ar;
99         
100         /* add subdiv level; after header */
101         ar = BKE_area_find_region_type(sa, RGN_TYPE_HEADER);
102
103         /* is error! */
104         if (ar == NULL) return NULL;
105         
106         arnew = MEM_callocN(sizeof(ARegion), "buttons for image");
107         
108         BLI_insertlinkafter(&sa->regionbase, ar, arnew);
109         arnew->regiontype = RGN_TYPE_UI;
110         arnew->alignment = RGN_ALIGN_LEFT;
111         
112         arnew->flag = RGN_FLAG_HIDDEN;
113         
114         return arnew;
115 }
116
117 ARegion *image_has_scope_region(ScrArea *sa)
118 {
119         ARegion *ar, *arnew;
120
121         ar = BKE_area_find_region_type(sa, RGN_TYPE_PREVIEW);
122         if (ar) return ar;
123
124         /* add subdiv level; after buttons */
125         ar = BKE_area_find_region_type(sa, RGN_TYPE_UI);
126
127         /* is error! */
128         if (ar == NULL) return NULL;
129         
130         arnew = MEM_callocN(sizeof(ARegion), "scopes for image");
131         
132         BLI_insertlinkafter(&sa->regionbase, ar, arnew);
133         arnew->regiontype = RGN_TYPE_PREVIEW;
134         arnew->alignment = RGN_ALIGN_RIGHT;
135         
136         arnew->flag = RGN_FLAG_HIDDEN;
137
138         image_scopes_tag_refresh(sa);
139         
140         return arnew;
141 }
142
143 /* ******************** default callbacks for image space ***************** */
144
145 static SpaceLink *image_new(const bContext *UNUSED(C))
146 {
147         ARegion *ar;
148         SpaceImage *simage;
149         
150         simage = MEM_callocN(sizeof(SpaceImage), "initimage");
151         simage->spacetype = SPACE_IMAGE;
152         simage->zoom = 1.0f;
153         simage->lock = TRUE;
154
155         simage->iuser.ok = TRUE;
156         simage->iuser.fie_ima = 2;
157         simage->iuser.frames = 100;
158         
159         scopes_new(&simage->scopes);
160         simage->sample_line_hist.height = 100;
161
162         /* header */
163         ar = MEM_callocN(sizeof(ARegion), "header for image");
164         
165         BLI_addtail(&simage->regionbase, ar);
166         ar->regiontype = RGN_TYPE_HEADER;
167         ar->alignment = RGN_ALIGN_BOTTOM;
168         
169         /* buttons/list view */
170         ar = MEM_callocN(sizeof(ARegion), "buttons for image");
171         
172         BLI_addtail(&simage->regionbase, ar);
173         ar->regiontype = RGN_TYPE_UI;
174         ar->alignment = RGN_ALIGN_LEFT;
175         ar->flag = RGN_FLAG_HIDDEN;
176         
177         /* scopes */
178         ar = MEM_callocN(sizeof(ARegion), "buttons for image");
179         
180         BLI_addtail(&simage->regionbase, ar);
181         ar->regiontype = RGN_TYPE_PREVIEW;
182         ar->alignment = RGN_ALIGN_RIGHT;
183         ar->flag = RGN_FLAG_HIDDEN;
184
185         /* main area */
186         ar = MEM_callocN(sizeof(ARegion), "main area for image");
187         
188         BLI_addtail(&simage->regionbase, ar);
189         ar->regiontype = RGN_TYPE_WINDOW;
190         
191         return (SpaceLink *)simage;
192 }
193
194 /* not spacelink itself */
195 static void image_free(SpaceLink *sl)
196 {       
197         SpaceImage *simage = (SpaceImage *) sl;
198         
199         if (simage->cumap)
200                 curvemapping_free(simage->cumap);
201         scopes_free(&simage->scopes);
202 }
203
204
205 /* spacetype; init callback, add handlers */
206 static void image_init(struct wmWindowManager *UNUSED(wm), ScrArea *sa)
207 {
208         ListBase *lb = WM_dropboxmap_find("Image", SPACE_IMAGE, 0);
209
210         /* add drop boxes */
211         WM_event_add_dropbox_handler(&sa->handlers, lb);
212         
213 }
214
215 static SpaceLink *image_duplicate(SpaceLink *sl)
216 {
217         SpaceImage *simagen = MEM_dupallocN(sl);
218         
219         /* clear or remove stuff from old */
220         if (simagen->cumap)
221                 simagen->cumap = curvemapping_copy(simagen->cumap);
222
223         scopes_new(&simagen->scopes);
224
225         return (SpaceLink *)simagen;
226 }
227
228 static void image_operatortypes(void)
229 {
230         WM_operatortype_append(IMAGE_OT_view_all);
231         WM_operatortype_append(IMAGE_OT_view_pan);
232         WM_operatortype_append(IMAGE_OT_view_selected);
233         WM_operatortype_append(IMAGE_OT_view_zoom);
234         WM_operatortype_append(IMAGE_OT_view_zoom_in);
235         WM_operatortype_append(IMAGE_OT_view_zoom_out);
236         WM_operatortype_append(IMAGE_OT_view_zoom_ratio);
237         WM_operatortype_append(IMAGE_OT_view_ndof);
238
239         WM_operatortype_append(IMAGE_OT_new);
240         WM_operatortype_append(IMAGE_OT_open);
241         WM_operatortype_append(IMAGE_OT_match_movie_length);
242         WM_operatortype_append(IMAGE_OT_replace);
243         WM_operatortype_append(IMAGE_OT_reload);
244         WM_operatortype_append(IMAGE_OT_save);
245         WM_operatortype_append(IMAGE_OT_save_as);
246         WM_operatortype_append(IMAGE_OT_save_sequence);
247         WM_operatortype_append(IMAGE_OT_pack);
248         WM_operatortype_append(IMAGE_OT_unpack);
249         
250         WM_operatortype_append(IMAGE_OT_invert);
251
252         WM_operatortype_append(IMAGE_OT_cycle_render_slot);
253
254         WM_operatortype_append(IMAGE_OT_sample);
255         WM_operatortype_append(IMAGE_OT_sample_line);
256         WM_operatortype_append(IMAGE_OT_curves_point_set);
257
258         WM_operatortype_append(IMAGE_OT_record_composite);
259
260         WM_operatortype_append(IMAGE_OT_properties);
261         WM_operatortype_append(IMAGE_OT_scopes);
262 }
263
264 static void image_keymap(struct wmKeyConfig *keyconf)
265 {
266         wmKeyMap *keymap = WM_keymap_find(keyconf, "Image Generic", SPACE_IMAGE, 0);
267         wmKeyMapItem *kmi;
268         int i;
269         
270         WM_keymap_add_item(keymap, "IMAGE_OT_new", NKEY, KM_PRESS, KM_ALT, 0);
271         WM_keymap_add_item(keymap, "IMAGE_OT_open", OKEY, KM_PRESS, KM_ALT, 0);
272         WM_keymap_add_item(keymap, "IMAGE_OT_reload", RKEY, KM_PRESS, KM_ALT, 0);
273         WM_keymap_add_item(keymap, "IMAGE_OT_save", SKEY, KM_PRESS, KM_ALT, 0);
274         WM_keymap_add_item(keymap, "IMAGE_OT_save_as", F3KEY, KM_PRESS, 0, 0);
275         WM_keymap_add_item(keymap, "IMAGE_OT_properties", NKEY, KM_PRESS, 0, 0);
276         WM_keymap_add_item(keymap, "IMAGE_OT_scopes", TKEY, KM_PRESS, 0, 0);
277
278         WM_keymap_add_item(keymap, "IMAGE_OT_cycle_render_slot", JKEY, KM_PRESS, 0, 0);
279         RNA_boolean_set(WM_keymap_add_item(keymap, "IMAGE_OT_cycle_render_slot", JKEY, KM_PRESS, KM_ALT, 0)->ptr, "reverse", TRUE);
280         
281         keymap = WM_keymap_find(keyconf, "Image", SPACE_IMAGE, 0);
282         
283         WM_keymap_add_item(keymap, "IMAGE_OT_view_all", HOMEKEY, KM_PRESS, 0, 0);
284         WM_keymap_add_item(keymap, "IMAGE_OT_view_selected", PADPERIOD, KM_PRESS, 0, 0);
285         WM_keymap_add_item(keymap, "IMAGE_OT_view_pan", MIDDLEMOUSE, KM_PRESS, 0, 0);
286         WM_keymap_add_item(keymap, "IMAGE_OT_view_pan", MIDDLEMOUSE, KM_PRESS, KM_SHIFT, 0);
287         WM_keymap_add_item(keymap, "IMAGE_OT_view_pan", MOUSEPAN, 0, 0, 0);
288
289         WM_keymap_add_item(keymap, "IMAGE_OT_view_all", NDOF_BUTTON_FIT, KM_PRESS, 0, 0); // or view selected?
290         WM_keymap_add_item(keymap, "IMAGE_OT_view_ndof", NDOF_MOTION, 0, 0, 0);
291
292         WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_in", WHEELINMOUSE, KM_PRESS, 0, 0);
293         WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_out", WHEELOUTMOUSE, KM_PRESS, 0, 0);
294         WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_in", PADPLUSKEY, KM_PRESS, 0, 0);
295         WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_out", PADMINUS, KM_PRESS, 0, 0);
296         WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom", MIDDLEMOUSE, KM_PRESS, KM_CTRL, 0);
297         WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom", MOUSEZOOM, 0, 0, 0);
298
299         RNA_float_set(WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_ratio", PAD8, KM_PRESS, KM_SHIFT, 0)->ptr, "ratio", 8.0f);
300         RNA_float_set(WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_ratio", PAD4, KM_PRESS, KM_SHIFT, 0)->ptr, "ratio", 4.0f);
301         RNA_float_set(WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_ratio", PAD2, KM_PRESS, KM_SHIFT, 0)->ptr, "ratio", 2.0f);
302         RNA_float_set(WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_ratio", PAD1, KM_PRESS, 0, 0)->ptr, "ratio", 1.0f);
303         RNA_float_set(WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_ratio", PAD2, KM_PRESS, 0, 0)->ptr, "ratio", 0.5f);
304         RNA_float_set(WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_ratio", PAD4, KM_PRESS, 0, 0)->ptr, "ratio", 0.25f);
305         RNA_float_set(WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_ratio", PAD8, KM_PRESS, 0, 0)->ptr, "ratio", 0.125f);
306
307         WM_keymap_add_item(keymap, "IMAGE_OT_sample", ACTIONMOUSE, KM_PRESS, 0, 0);
308         RNA_enum_set(WM_keymap_add_item(keymap, "IMAGE_OT_curves_point_set", ACTIONMOUSE, KM_PRESS, KM_CTRL, 0)->ptr, "point", 0);
309         RNA_enum_set(WM_keymap_add_item(keymap, "IMAGE_OT_curves_point_set", ACTIONMOUSE, KM_PRESS, KM_SHIFT, 0)->ptr, "point", 1);
310
311         /* toggle editmode is handy to have while UV unwrapping */
312         kmi = WM_keymap_add_item(keymap, "OBJECT_OT_mode_set", TABKEY, KM_PRESS, 0, 0);
313         RNA_enum_set(kmi->ptr, "mode", OB_MODE_EDIT);
314         RNA_boolean_set(kmi->ptr, "toggle", TRUE);
315
316         /* fast switch to render slots */
317         for (i = 0; i < MAX2(IMA_MAX_RENDER_SLOT, 9); i++) {
318                 kmi = WM_keymap_add_item(keymap, "WM_OT_context_set_int", ONEKEY + i, KM_PRESS, 0, 0);
319                 RNA_string_set(kmi->ptr, "data_path", "space_data.image.render_slot");
320                 RNA_int_set(kmi->ptr, "value", i);
321         }
322
323         /* pivot */
324         kmi = WM_keymap_add_item(keymap, "WM_OT_context_set_enum", COMMAKEY, KM_PRESS, 0, 0);
325         RNA_string_set(kmi->ptr, "data_path", "space_data.pivot_point");
326         RNA_string_set(kmi->ptr, "value", "CENTER");
327
328         kmi = WM_keymap_add_item(keymap, "WM_OT_context_set_enum", COMMAKEY, KM_PRESS, KM_CTRL, 0);
329         RNA_string_set(kmi->ptr, "data_path", "space_data.pivot_point");
330         RNA_string_set(kmi->ptr, "value", "MEDIAN");
331
332         kmi = WM_keymap_add_item(keymap, "WM_OT_context_set_enum", PERIODKEY, KM_PRESS, 0, 0);
333         RNA_string_set(kmi->ptr, "data_path", "space_data.pivot_point");
334         RNA_string_set(kmi->ptr, "value", "CURSOR");
335 }
336
337 /* dropboxes */
338 static int image_drop_poll(bContext *UNUSED(C), wmDrag *drag, wmEvent *UNUSED(event))
339 {
340         if (drag->type == WM_DRAG_PATH)
341                 if (ELEM3(drag->icon, 0, ICON_FILE_IMAGE, ICON_FILE_BLANK)) /* rule might not work? */
342                         return 1;
343         return 0;
344 }
345
346 static void image_drop_copy(wmDrag *drag, wmDropBox *drop)
347 {
348         /* copy drag path to properties */
349         RNA_string_set(drop->ptr, "filepath", drag->path);
350 }
351
352 /* area+region dropbox definition */
353 static void image_dropboxes(void)
354 {
355         ListBase *lb = WM_dropboxmap_find("Image", SPACE_IMAGE, 0);
356         
357         WM_dropbox_add(lb, "IMAGE_OT_open", image_drop_poll, image_drop_copy);
358 }
359
360 /**
361  * \note take care not to get into feedback loop here,
362  *       calling composite job causes viewer to refresh.
363  */
364 static void image_refresh(const bContext *C, ScrArea *sa)
365 {
366         Scene *scene = CTX_data_scene(C);
367         SpaceImage *sima = sa->spacedata.first;
368         Object *obedit = CTX_data_edit_object(C);
369         Image *ima;
370
371         ima = ED_space_image(sima);
372
373         BKE_image_user_check_frame_calc(&sima->iuser, scene->r.cfra, 0);
374         
375         /* check if we have to set the image from the editmesh */
376         if (ima && (ima->source == IMA_SRC_VIEWER && sima->mode == SI_MODE_MASK)) {
377                 if (sima->lock == FALSE && G.moving) {
378                         /* pass */
379                 }
380                 else {
381                         if (scene->nodetree) {
382                                 Mask *mask = ED_space_image_get_mask(sima);
383                                 if (mask) {
384                                         ED_node_composite_job(C, scene->nodetree, scene);
385                                 }
386                         }
387                 }
388         }
389         else if (ima && (ima->source == IMA_SRC_VIEWER || sima->pin)) {
390                 /* pass */
391         }
392         else if (obedit && obedit->type == OB_MESH) {
393                 Mesh *me = (Mesh *)obedit->data;
394                 struct BMEditMesh *em = me->edit_btmesh;
395                 int sloppy = 1; /* partially selected face is ok */
396
397                 if (BKE_scene_use_new_shading_nodes(scene)) {
398                         /* new shading system, get image from material */
399                         BMFace *efa = BM_active_face_get(em->bm, sloppy);
400
401                         if (efa) {
402                                 Image *node_ima;
403                                 ED_object_get_active_image(obedit, efa->mat_nr + 1, &node_ima, NULL, NULL);
404
405                                 if (node_ima)
406                                         sima->image = node_ima;
407                         }
408                 }
409                 else {
410                         /* old shading system, we set texface */
411                         MTexPoly *tf;
412                         
413                         if (em && EDBM_mtexpoly_check(em)) {
414                                 sima->image = NULL;
415                                 
416                                 tf = EDBM_mtexpoly_active_get(em, NULL, TRUE); /* partially selected face is ok */
417                                 
418                                 if (tf) {
419                                         /* don't need to check for pin here, see above */
420                                         sima->image = tf->tpage;
421                                         
422                                         if (sima->flag & SI_EDITTILE) ;
423                                         else sima->curtile = tf->tile;
424                                 }
425                         }
426                 }
427         }
428 }
429
430 static void image_listener(ScrArea *sa, wmNotifier *wmn)
431 {
432         SpaceImage *sima = (SpaceImage *)sa->spacedata.first;
433         
434         /* context changes */
435         switch (wmn->category) {
436                 case NC_SCENE:
437                         switch (wmn->data) {
438                                 case ND_FRAME:
439                                         image_scopes_tag_refresh(sa);
440                                         ED_area_tag_refresh(sa);
441                                         ED_area_tag_redraw(sa);
442                                         break;
443                                 case ND_MODE:
444                                 case ND_RENDER_RESULT:
445                                 case ND_COMPO_RESULT:
446                                         if (ED_space_image_show_render(sima))
447                                                 image_scopes_tag_refresh(sa);
448                                         ED_area_tag_redraw(sa);
449                                         break;
450                         }
451                         break;
452                 case NC_IMAGE:
453                         if (wmn->reference == sima->image || !wmn->reference) {
454                                 image_scopes_tag_refresh(sa);
455                                 ED_area_tag_refresh(sa);
456                                 ED_area_tag_redraw(sa);
457                         }
458                         break;
459                 case NC_SPACE:  
460                         if (wmn->data == ND_SPACE_IMAGE) {
461                                 image_scopes_tag_refresh(sa);
462                                 ED_area_tag_redraw(sa);
463                         }
464                         break;
465                 case NC_MASK:
466                 {
467                         // Scene *scene = wmn->window->screen->scene;
468                         /* ideally would check for: ED_space_image_check_show_maskedit(scene, sima) but we cant get the scene */
469                         if (sima->mode == SI_MODE_MASK) {
470                                 switch (wmn->data) {
471                                         case ND_SELECT:
472                                                 ED_area_tag_redraw(sa);
473                                                 break;
474                                         case ND_DATA:
475                                         case ND_DRAW:
476                                                 /* causes node-recalc */
477                                                 ED_area_tag_redraw(sa);
478                                                 ED_area_tag_refresh(sa);
479                                                 break;
480                                 }
481                                 switch (wmn->action) {
482                                         case NA_SELECTED:
483                                                 ED_area_tag_redraw(sa);
484                                                 break;
485                                         case NA_EDITED:
486                                                 /* causes node-recalc */
487                                                 ED_area_tag_redraw(sa);
488                                                 ED_area_tag_refresh(sa);
489                                                 break;
490                                 }
491                         }
492                         break;
493                 }
494                 case NC_GEOM:
495                         switch (wmn->data) {
496                                 case ND_DATA:
497                                 case ND_SELECT:
498                                         image_scopes_tag_refresh(sa);
499                                         ED_area_tag_refresh(sa);
500                                         ED_area_tag_redraw(sa);
501                                         break;
502                         }
503                 case NC_OBJECT:
504                 {
505                         Object *ob = (Object *)wmn->reference;
506                         switch (wmn->data) {
507                                 case ND_TRANSFORM:
508                                 case ND_MODIFIER:
509                                         if (ob && (ob->mode & OB_MODE_EDIT) && sima->lock && (sima->flag & SI_DRAWSHADOW)) {
510                                                 ED_area_tag_refresh(sa);
511                                                 ED_area_tag_redraw(sa);
512                                         }
513                                         break;
514                         }
515                 }
516         }
517 }
518
519 const char *image_context_dir[] = {"edit_image", "edit_mask", NULL};
520
521 static int image_context(const bContext *C, const char *member, bContextDataResult *result)
522 {
523         SpaceImage *sima = CTX_wm_space_image(C);
524
525         if (CTX_data_dir(member)) {
526                 CTX_data_dir_set(result, image_context_dir);
527         }
528         else if (CTX_data_equals(member, "edit_image")) {
529                 CTX_data_id_pointer_set(result, (ID *)ED_space_image(sima));
530                 return 1;
531         }
532         else if (CTX_data_equals(member, "edit_mask")) {
533                 Mask *mask = ED_space_image_get_mask(sima);
534                 if (mask) {
535                         CTX_data_id_pointer_set(result, &mask->id);
536                 }
537                 return TRUE;
538         }
539         return 0;
540 }
541
542 /************************** main region ***************************/
543
544 /* sets up the fields of the View2D from zoom and offset */
545 static void image_main_area_set_view2d(SpaceImage *sima, ARegion *ar)
546 {
547         Image *ima = ED_space_image(sima);
548         float x1, y1, w, h;
549         int width, height, winx, winy;
550         
551 #if 0
552         if (image_preview_active(curarea, &width, &height)) ;
553         else
554 #endif
555         ED_space_image_get_size(sima, &width, &height);
556
557         w = width;
558         h = height;
559         
560         if (ima)
561                 h *= ima->aspy / ima->aspx;
562
563         winx = BLI_RCT_SIZE_X(&ar->winrct) + 1;
564         winy = BLI_RCT_SIZE_Y(&ar->winrct) + 1;
565                 
566         ar->v2d.tot.xmin = 0;
567         ar->v2d.tot.ymin = 0;
568         ar->v2d.tot.xmax = w;
569         ar->v2d.tot.ymax = h;
570         
571         ar->v2d.mask.xmin = ar->v2d.mask.ymin = 0;
572         ar->v2d.mask.xmax = winx;
573         ar->v2d.mask.ymax = winy;
574
575         /* which part of the image space do we see? */
576         x1 = ar->winrct.xmin + (winx - sima->zoom * w) / 2.0f;
577         y1 = ar->winrct.ymin + (winy - sima->zoom * h) / 2.0f;
578
579         x1 -= sima->zoom * sima->xof;
580         y1 -= sima->zoom * sima->yof;
581         
582         /* relative display right */
583         ar->v2d.cur.xmin = ((ar->winrct.xmin - (float)x1) / sima->zoom);
584         ar->v2d.cur.xmax = ar->v2d.cur.xmin + ((float)winx / sima->zoom);
585         
586         /* relative display left */
587         ar->v2d.cur.ymin = ((ar->winrct.ymin - (float)y1) / sima->zoom);
588         ar->v2d.cur.ymax = ar->v2d.cur.ymin + ((float)winy / sima->zoom);
589         
590         /* normalize 0.0..1.0 */
591         ar->v2d.cur.xmin /= w;
592         ar->v2d.cur.xmax /= w;
593         ar->v2d.cur.ymin /= h;
594         ar->v2d.cur.ymax /= h;
595 }
596
597 /* add handlers, stuff you only do once or on area/region changes */
598 static void image_main_area_init(wmWindowManager *wm, ARegion *ar)
599 {
600         wmKeyMap *keymap;
601         
602         // image space manages own v2d
603         // UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_STANDARD, ar->winx, ar->winy);
604
605         /* mask polls mode */
606         keymap = WM_keymap_find(wm->defaultconf, "Mask Editing", 0, 0);
607         WM_event_add_keymap_handler_bb(&ar->handlers, keymap, &ar->v2d.mask, &ar->winrct);
608
609         /* image paint polls for mode */
610         keymap = WM_keymap_find(wm->defaultconf, "Image Paint", 0, 0);
611         WM_event_add_keymap_handler_bb(&ar->handlers, keymap, &ar->v2d.mask, &ar->winrct);
612
613         keymap = WM_keymap_find(wm->defaultconf, "UV Editor", 0, 0);
614         WM_event_add_keymap_handler(&ar->handlers, keymap);
615         
616         keymap = WM_keymap_find(wm->defaultconf, "UV Sculpt", 0, 0);
617         WM_event_add_keymap_handler(&ar->handlers, keymap);
618
619         /* own keymaps */
620         keymap = WM_keymap_find(wm->defaultconf, "Image Generic", SPACE_IMAGE, 0);
621         WM_event_add_keymap_handler(&ar->handlers, keymap);
622         keymap = WM_keymap_find(wm->defaultconf, "Image", SPACE_IMAGE, 0);
623         WM_event_add_keymap_handler_bb(&ar->handlers, keymap, &ar->v2d.mask, &ar->winrct);
624
625 }
626
627 static void image_main_area_draw(const bContext *C, ARegion *ar)
628 {
629         /* draw entirely, view changes should be handled here */
630         SpaceImage *sima = CTX_wm_space_image(C);
631         Object *obact = CTX_data_active_object(C);
632         Object *obedit = CTX_data_edit_object(C);
633         Mask *mask = NULL;
634         Scene *scene = CTX_data_scene(C);
635         View2D *v2d = &ar->v2d;
636         //View2DScrollers *scrollers;
637         float col[3];
638         
639         /* XXX not supported yet, disabling for now */
640         scene->r.scemode &= ~R_COMP_CROP;
641         
642         /* clear and setup matrix */
643         UI_GetThemeColor3fv(TH_BACK, col);
644         glClearColor(col[0], col[1], col[2], 0.0);
645         glClear(GL_COLOR_BUFFER_BIT);
646
647         /* put scene context variable in iuser */
648         sima->iuser.scene = scene;
649
650         /* we set view2d from own zoom and offset each time */
651         image_main_area_set_view2d(sima, ar);
652
653         /* we draw image in pixelspace */
654         draw_image_main(C, ar);
655
656         /* and uvs in 0.0-1.0 space */
657         UI_view2d_view_ortho(v2d);
658         draw_uvedit_main(sima, ar, scene, obedit, obact);
659
660         /* check for mask (delay draw) */
661         if (ED_space_image_show_uvedit(sima, obedit)) {
662                 /* pass */
663         }
664         else if (sima->mode == SI_MODE_MASK) {
665                 mask = ED_space_image_get_mask(sima);
666                 draw_image_cursor(sima, ar);
667         }
668
669         ED_region_draw_cb_draw(C, ar, REGION_DRAW_POST_VIEW);
670
671         /* Grease Pencil too (in addition to UV's) */
672         draw_image_grease_pencil((bContext *)C, 1); 
673
674         /* sample line */
675         draw_image_sample_line(sima);
676
677         UI_view2d_view_restore(C);
678
679         /* draw Grease Pencil - screen space only */
680         draw_image_grease_pencil((bContext *)C, 0);
681
682         if (mask) {
683                 int width, height;
684                 ED_space_image_get_size(sima, &width, &height);
685                 ED_mask_draw_region(mask, ar,
686                                     sima->mask_info.draw_flag, sima->mask_info.draw_type,
687                                     width, height,
688                                     TRUE, FALSE,
689                                     NULL, C);
690
691                 ED_mask_draw_frames(mask, ar, CFRA, mask->sfra, mask->efra);
692
693                 draw_image_cursor(sima, ar);
694         }
695
696         /* scrollers? */
697 #if 0
698         scrollers = UI_view2d_scrollers_calc(C, v2d, V2D_UNIT_VALUES, V2D_GRID_CLAMP, V2D_ARG_DUMMY, V2D_ARG_DUMMY);
699         UI_view2d_scrollers_draw(C, v2d, scrollers);
700         UI_view2d_scrollers_free(scrollers);
701 #endif
702 }
703
704 static void image_main_area_listener(ARegion *ar, wmNotifier *wmn)
705 {
706         /* context changes */
707         switch (wmn->category) {
708                 case NC_SCREEN:
709                         if (wmn->data == ND_GPENCIL)
710                                 ED_region_tag_redraw(ar);
711                         break;
712         }
713 }
714
715 /* *********************** buttons region ************************ */
716
717 /* add handlers, stuff you only do once or on area/region changes */
718 static void image_buttons_area_init(wmWindowManager *wm, ARegion *ar)
719 {
720         wmKeyMap *keymap;
721
722         ED_region_panels_init(wm, ar);
723         
724         keymap = WM_keymap_find(wm->defaultconf, "Image Generic", SPACE_IMAGE, 0);
725         WM_event_add_keymap_handler(&ar->handlers, keymap);
726 }
727
728 static void image_buttons_area_draw(const bContext *C, ARegion *ar)
729 {
730         ED_region_panels(C, ar, 1, NULL, -1);
731 }
732
733 static void image_buttons_area_listener(ARegion *ar, wmNotifier *wmn)
734 {
735         /* context changes */
736         switch (wmn->category) {
737                 case NC_SCREEN:
738                         if (wmn->data == ND_GPENCIL)
739                                 ED_region_tag_redraw(ar);
740                         break;
741                 case NC_BRUSH:
742                         if (wmn->action == NA_EDITED)
743                                 ED_region_tag_redraw(ar);
744                         break;
745                 case NC_TEXTURE:
746                 case NC_MATERIAL:
747                         /* sending by texture render job and needed to properly update displaying
748                          * brush texture icon */
749                         ED_region_tag_redraw(ar);
750                         break;
751         }
752 }
753
754 /* *********************** scopes region ************************ */
755
756 /* add handlers, stuff you only do once or on area/region changes */
757 static void image_scope_area_init(wmWindowManager *wm, ARegion *ar)
758 {
759         wmKeyMap *keymap;
760         
761         ED_region_panels_init(wm, ar);
762         
763         keymap = WM_keymap_find(wm->defaultconf, "Image Generic", SPACE_IMAGE, 0);
764         WM_event_add_keymap_handler(&ar->handlers, keymap);
765 }
766
767 static void image_scope_area_draw(const bContext *C, ARegion *ar)
768 {
769         SpaceImage *sima = CTX_wm_space_image(C);
770         Scene *scene = CTX_data_scene(C);
771         void *lock;
772         ImBuf *ibuf = ED_space_image_acquire_buffer(sima, &lock);
773         if (ibuf) {
774                 if (!sima->scopes.ok) {
775                         BKE_histogram_update_sample_line(&sima->sample_line_hist, ibuf, scene->r.color_mgt_flag & R_COLOR_MANAGEMENT);
776                 }
777                 scopes_update(&sima->scopes, ibuf, scene->r.color_mgt_flag & R_COLOR_MANAGEMENT);
778         }
779         ED_space_image_release_buffer(sima, lock);
780         
781         ED_region_panels(C, ar, 1, NULL, -1);
782 }
783
784 static void image_scope_area_listener(ARegion *ar, wmNotifier *wmn)
785 {
786         /* context changes */
787         switch (wmn->category) {
788                 case NC_SCENE:
789                         switch (wmn->data) {
790                                 case ND_MODE:
791                                 case ND_RENDER_RESULT:
792                                 case ND_COMPO_RESULT:
793                                         ED_region_tag_redraw(ar);
794                                         break;
795                         }
796                         break;
797                 case NC_IMAGE:
798                         ED_region_tag_redraw(ar);
799                         break;
800                 case NC_NODE:
801                         ED_region_tag_redraw(ar);
802                         break;
803                         
804         }
805 }
806
807 /************************* header region **************************/
808
809 /* add handlers, stuff you only do once or on area/region changes */
810 static void image_header_area_init(wmWindowManager *UNUSED(wm), ARegion *ar)
811 {
812         ED_region_header_init(ar);
813 }
814
815 static void image_header_area_draw(const bContext *C, ARegion *ar)
816 {
817         ED_region_header(C, ar);
818 }
819
820 static void image_header_area_listener(ARegion *ar, wmNotifier *wmn)
821 {
822         /* context changes */
823         switch (wmn->category) {
824                 case NC_SCENE:
825                         switch (wmn->data) {
826                                 case ND_MODE:
827                                 case ND_TOOLSETTINGS:
828                                         ED_region_tag_redraw(ar);
829                                         break;
830                         }
831                         break;
832                 case NC_GEOM:
833                         switch (wmn->data) {
834                                 case ND_DATA:
835                                 case ND_SELECT:
836                                         ED_region_tag_redraw(ar);
837                                         break;
838                         }
839                         
840         }
841 }
842
843 /**************************** spacetype *****************************/
844
845 /* only called once, from space/spacetypes.c */
846 void ED_spacetype_image(void)
847 {
848         SpaceType *st = MEM_callocN(sizeof(SpaceType), "spacetype image");
849         ARegionType *art;
850         
851         st->spaceid = SPACE_IMAGE;
852         strncpy(st->name, "Image", BKE_ST_MAXNAME);
853         
854         st->new = image_new;
855         st->free = image_free;
856         st->init = image_init;
857         st->duplicate = image_duplicate;
858         st->operatortypes = image_operatortypes;
859         st->keymap = image_keymap;
860         st->dropboxes = image_dropboxes;
861         st->refresh = image_refresh;
862         st->listener = image_listener;
863         st->context = image_context;
864         
865         /* regions: main window */
866         art = MEM_callocN(sizeof(ARegionType), "spacetype image region");
867         art->regionid = RGN_TYPE_WINDOW;
868         art->keymapflag = ED_KEYMAP_FRAMES | ED_KEYMAP_GPENCIL;
869         art->init = image_main_area_init;
870         art->draw = image_main_area_draw;
871         art->listener = image_main_area_listener;
872
873         BLI_addhead(&st->regiontypes, art);
874         
875         /* regions: listview/buttons */
876         art = MEM_callocN(sizeof(ARegionType), "spacetype image region");
877         art->regionid = RGN_TYPE_UI;
878         art->prefsizex = 220; // XXX
879         art->keymapflag = ED_KEYMAP_UI | ED_KEYMAP_FRAMES;
880         art->listener = image_buttons_area_listener;
881         art->init = image_buttons_area_init;
882         art->draw = image_buttons_area_draw;
883         BLI_addhead(&st->regiontypes, art);
884
885         image_buttons_register(art);
886         ED_uvedit_buttons_register(art);
887         
888         /* regions: statistics/scope buttons */
889         art = MEM_callocN(sizeof(ARegionType), "spacetype image region");
890         art->regionid = RGN_TYPE_PREVIEW;
891         art->prefsizex = 220; // XXX
892         art->keymapflag = ED_KEYMAP_UI | ED_KEYMAP_FRAMES;
893         art->listener = image_scope_area_listener;
894         art->init = image_scope_area_init;
895         art->draw = image_scope_area_draw;
896         BLI_addhead(&st->regiontypes, art);
897
898         /* regions: header */
899         art = MEM_callocN(sizeof(ARegionType), "spacetype image region");
900         art->regionid = RGN_TYPE_HEADER;
901         art->prefsizey = HEADERY;
902         art->keymapflag = ED_KEYMAP_UI | ED_KEYMAP_VIEW2D | ED_KEYMAP_FRAMES | ED_KEYMAP_HEADER;
903         art->listener = image_header_area_listener;
904         art->init = image_header_area_init;
905         art->draw = image_header_area_draw;
906         
907         BLI_addhead(&st->regiontypes, art);
908         
909         BKE_spacetype_register(st);
910 }
911