Merge remote-tracking branch 'origin/master' into blender2.8
[blender.git] / source / blender / editors / space_image / image_ops.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) 2001-2002 by NaN Holding BV.
19  * All rights reserved.
20  *
21  * Contributor(s): Blender Foundation, 2002-2009, Xavier Thomas
22  *
23  * ***** END GPL LICENSE BLOCK *****
24  */
25
26 /** \file blender/editors/space_image/image_ops.c
27  *  \ingroup spimage
28  */
29
30
31 #include <stddef.h>
32 #include <string.h>
33 #include <fcntl.h>
34 #include <stdlib.h>
35 #include <errno.h>
36 #ifndef WIN32
37 #  include <unistd.h>
38 #else
39 #  include <io.h>
40 #endif
41
42 #include "MEM_guardedalloc.h"
43
44 #include "BLI_math.h"
45 #include "BLI_blenlib.h"
46 #include "BLI_utildefines.h"
47 #include "BLI_string_utf8.h"
48
49 #include "BLT_translation.h"
50
51 #include "DNA_object_types.h"
52 #include "DNA_node_types.h"
53 #include "DNA_packedFile_types.h"
54 #include "DNA_scene_types.h"
55 #include "DNA_screen_types.h"
56
57 #include "BKE_colortools.h"
58 #include "BKE_context.h"
59 #include "BKE_DerivedMesh.h"
60 #include "BKE_icons.h"
61 #include "BKE_image.h"
62 #include "BKE_global.h"
63 #include "BKE_library.h"
64 #include "BKE_main.h"
65 #include "BKE_packedFile.h"
66 #include "BKE_paint.h"
67 #include "BKE_report.h"
68 #include "BKE_screen.h"
69 #include "BKE_sound.h"
70 #include "BKE_scene.h"
71
72 #include "DEG_depsgraph.h"
73
74 #include "GPU_draw.h"
75 #include "GPU_buffers.h"
76
77 #include "IMB_colormanagement.h"
78 #include "IMB_imbuf.h"
79 #include "IMB_imbuf_types.h"
80 #include "IMB_moviecache.h"
81 #include "intern/openexr/openexr_multi.h"
82
83 #include "RE_pipeline.h"
84
85 #include "RNA_access.h"
86 #include "RNA_define.h"
87 #include "RNA_enum_types.h"
88
89 #include "ED_image.h"
90 #include "ED_mask.h"
91 #include "ED_paint.h"
92 #include "ED_render.h"
93 #include "ED_screen.h"
94 #include "ED_space_api.h"
95 #include "ED_uvedit.h"
96 #include "ED_util.h"
97
98 #include "UI_interface.h"
99 #include "UI_resources.h"
100 #include "UI_view2d.h"
101
102 #include "WM_api.h"
103 #include "WM_types.h"
104
105 #include "PIL_time.h"
106
107 #include "RE_engine.h"
108
109 #include "image_intern.h"
110
111 /******************** view navigation utilities *********************/
112
113 static void sima_zoom_set(SpaceImage *sima, ARegion *ar, float zoom, const float location[2])
114 {
115         float oldzoom = sima->zoom;
116         int width, height;
117
118         sima->zoom = zoom;
119
120         if (sima->zoom < 0.1f || sima->zoom > 4.0f) {
121                 /* check zoom limits */
122                 ED_space_image_get_size(sima, &width, &height);
123
124                 width *= sima->zoom;
125                 height *= sima->zoom;
126
127                 if ((width < 4) && (height < 4) && sima->zoom < oldzoom)
128                         sima->zoom = oldzoom;
129                 else if (BLI_rcti_size_x(&ar->winrct) <= sima->zoom)
130                         sima->zoom = oldzoom;
131                 else if (BLI_rcti_size_y(&ar->winrct) <= sima->zoom)
132                         sima->zoom = oldzoom;
133         }
134
135         if ((U.uiflag & USER_ZOOM_TO_MOUSEPOS) && location) {
136                 float aspx, aspy, w, h;
137
138                 ED_space_image_get_size(sima, &width, &height);
139                 ED_space_image_get_aspect(sima, &aspx, &aspy);
140
141                 w = width * aspx;
142                 h = height * aspy;
143
144                 sima->xof += ((location[0] - 0.5f) * w - sima->xof) * (sima->zoom - oldzoom) / sima->zoom;
145                 sima->yof += ((location[1] - 0.5f) * h - sima->yof) * (sima->zoom - oldzoom) / sima->zoom;
146         }
147 }
148
149 static void sima_zoom_set_factor(SpaceImage *sima, ARegion *ar, float zoomfac, const float location[2])
150 {
151         sima_zoom_set(sima, ar, sima->zoom * zoomfac, location);
152 }
153
154 /**
155  * Fits the view to the bounds exactly, caller should add margin if needed.
156  */
157 static void sima_zoom_set_from_bounds(SpaceImage *sima, ARegion *ar, const rctf *bounds)
158 {
159         int image_size[2];
160         float aspx, aspy;
161
162         ED_space_image_get_size(sima, &image_size[0], &image_size[1]);
163         ED_space_image_get_aspect(sima, &aspx, &aspy);
164
165         image_size[0] = image_size[0] * aspx;
166         image_size[1] = image_size[1] * aspy;
167
168         /* adjust offset and zoom */
169         sima->xof = roundf((BLI_rctf_cent_x(bounds) - 0.5f) * image_size[0]);
170         sima->yof = roundf((BLI_rctf_cent_y(bounds) - 0.5f) * image_size[1]);
171
172         float size_xy[2], size;
173         size_xy[0] = BLI_rcti_size_x(&ar->winrct) / (BLI_rctf_size_x(bounds) * image_size[0]);
174         size_xy[1] = BLI_rcti_size_y(&ar->winrct) / (BLI_rctf_size_y(bounds) * image_size[1]);
175
176         size = min_ff(size_xy[0], size_xy[1]);
177         CLAMP_MAX(size, 100.0f);
178
179         sima_zoom_set(sima, ar, size, NULL);
180 }
181
182 #if 0 // currently unused
183 static int image_poll(bContext *C)
184 {
185         return (CTX_data_edit_image(C) != NULL);
186 }
187 #endif
188
189 static int space_image_buffer_exists_poll(bContext *C)
190 {
191         SpaceImage *sima = CTX_wm_space_image(C);
192         if (sima && ED_space_image_has_buffer(sima)) {
193                 return true;
194         }
195         return false;
196 }
197
198 static int image_not_packed_poll(bContext *C)
199 {
200         SpaceImage *sima = CTX_wm_space_image(C);
201
202         /* Do not run 'replace' on packed images, it does not give user expected results at all. */
203         if (sima && sima->image && BLI_listbase_is_empty(&sima->image->packedfiles)) {
204                 return true;
205         }
206         return false;
207 }
208
209 static bool imbuf_format_writeable(const ImBuf *ibuf)
210 {
211         ImageFormatData im_format;
212         ImbFormatOptions options_dummy;
213         BKE_imbuf_to_image_format(&im_format, ibuf);
214         return (BKE_image_imtype_to_ftype(im_format.imtype, &options_dummy) == ibuf->ftype);
215 }
216
217 static int space_image_file_exists_poll(bContext *C)
218 {
219         if (space_image_buffer_exists_poll(C)) {
220                 Main *bmain = CTX_data_main(C);
221                 SpaceImage *sima = CTX_wm_space_image(C);
222                 ImBuf *ibuf;
223                 void *lock;
224                 bool ret = false;
225                 char name[FILE_MAX];
226
227                 ibuf = ED_space_image_acquire_buffer(sima, &lock);
228                 if (ibuf) {
229                         BLI_strncpy(name, ibuf->name, FILE_MAX);
230                         BLI_path_abs(name, bmain->name);
231
232                         if (BLI_exists(name) == false) {
233                                 CTX_wm_operator_poll_msg_set(C, "image file not found");
234                         }
235                         else if (!BLI_file_is_writable(name)) {
236                                 CTX_wm_operator_poll_msg_set(C, "image path can't be written to");
237                         }
238                         else if (!imbuf_format_writeable(ibuf)) {
239                                 CTX_wm_operator_poll_msg_set(C, "image format is read-only");
240                         }
241                         else {
242                                 ret = true;
243                         }
244                 }
245                 ED_space_image_release_buffer(sima, ibuf, lock);
246
247                 return ret;
248         }
249         return false;
250 }
251
252 #if 0  /* UNUSED */
253 static int space_image_poll(bContext *C)
254 {
255         SpaceImage *sima = CTX_wm_space_image(C);
256         if (sima && sima->image) {
257                 return true;
258         }
259         return false;
260 }
261 #endif
262
263 int space_image_main_region_poll(bContext *C)
264 {
265         SpaceImage *sima = CTX_wm_space_image(C);
266         /* XXX ARegion *ar = CTX_wm_region(C); */
267
268         if (sima) {
269                 return true;  /* XXX (ar && ar->type->regionid == RGN_TYPE_WINDOW); */
270         }
271         return false;
272 }
273
274 /* For IMAGE_OT_curves_point_set to avoid sampling when in uv smooth mode or editmode */
275 static int space_image_main_area_not_uv_brush_poll(bContext *C)
276 {
277         SpaceImage *sima = CTX_wm_space_image(C);
278         Scene *scene = CTX_data_scene(C);
279         ToolSettings *toolsettings = scene->toolsettings;
280
281         if (sima && !toolsettings->uvsculpt && !scene->obedit)
282                 return 1;
283
284         return 0;
285 }
286
287 static int image_sample_poll(bContext *C)
288 {
289         SpaceImage *sima = CTX_wm_space_image(C);
290         if (sima) {
291                 Scene *scene = CTX_data_scene(C);
292                 Object *obedit = CTX_data_edit_object(C);
293                 ToolSettings *toolsettings = scene->toolsettings;
294
295                 if (obedit) {
296                         if (ED_space_image_show_uvedit(sima, obedit) && (toolsettings->use_uv_sculpt))
297                                 return false;
298                 }
299                 else if (sima->mode != SI_MODE_VIEW) {
300                         return false;
301                 }
302
303                 return space_image_main_region_poll(C);
304         }
305         else {
306                 return false;
307         }
308 }
309 /********************** view pan operator *********************/
310
311 typedef struct ViewPanData {
312         float x, y;
313         float xof, yof;
314         int event_type;
315 } ViewPanData;
316
317 static void image_view_pan_init(bContext *C, wmOperator *op, const wmEvent *event)
318 {
319         SpaceImage *sima = CTX_wm_space_image(C);
320         ViewPanData *vpd;
321
322         op->customdata = vpd = MEM_callocN(sizeof(ViewPanData), "ImageViewPanData");
323         WM_cursor_modal_set(CTX_wm_window(C), BC_NSEW_SCROLLCURSOR);
324
325         vpd->x = event->x;
326         vpd->y = event->y;
327         vpd->xof = sima->xof;
328         vpd->yof = sima->yof;
329         vpd->event_type = event->type;
330
331         WM_event_add_modal_handler(C, op);
332 }
333
334 static void image_view_pan_exit(bContext *C, wmOperator *op, bool cancel)
335 {
336         SpaceImage *sima = CTX_wm_space_image(C);
337         ViewPanData *vpd = op->customdata;
338
339         if (cancel) {
340                 sima->xof = vpd->xof;
341                 sima->yof = vpd->yof;
342                 ED_region_tag_redraw(CTX_wm_region(C));
343         }
344
345         WM_cursor_modal_restore(CTX_wm_window(C));
346         MEM_freeN(op->customdata);
347 }
348
349 static int image_view_pan_exec(bContext *C, wmOperator *op)
350 {
351         SpaceImage *sima = CTX_wm_space_image(C);
352         float offset[2];
353
354         RNA_float_get_array(op->ptr, "offset", offset);
355         sima->xof += offset[0];
356         sima->yof += offset[1];
357
358         ED_region_tag_redraw(CTX_wm_region(C));
359
360         /* XXX notifier? */
361 #if 0
362         if (image_preview_active(curarea, NULL, NULL)) {
363                 /* recalculates new preview rect */
364                 scrarea_do_windraw(curarea);
365                 image_preview_event(2);
366         }
367 #endif
368         
369         return OPERATOR_FINISHED;
370 }
371
372 static int image_view_pan_invoke(bContext *C, wmOperator *op, const wmEvent *event)
373 {
374         if (event->type == MOUSEPAN) {
375                 SpaceImage *sima = CTX_wm_space_image(C);
376                 float offset[2];
377                 
378                 offset[0] = (event->prevx - event->x) / sima->zoom;
379                 offset[1] = (event->prevy - event->y) / sima->zoom;
380                 RNA_float_set_array(op->ptr, "offset", offset);
381
382                 image_view_pan_exec(C, op);
383                 return OPERATOR_FINISHED;
384         }
385         else {
386                 image_view_pan_init(C, op, event);
387                 return OPERATOR_RUNNING_MODAL;
388         }
389 }
390
391 static int image_view_pan_modal(bContext *C, wmOperator *op, const wmEvent *event)
392 {
393         SpaceImage *sima = CTX_wm_space_image(C);
394         ViewPanData *vpd = op->customdata;
395         float offset[2];
396
397         switch (event->type) {
398                 case MOUSEMOVE:
399                         sima->xof = vpd->xof;
400                         sima->yof = vpd->yof;
401                         offset[0] = (vpd->x - event->x) / sima->zoom;
402                         offset[1] = (vpd->y - event->y) / sima->zoom;
403                         RNA_float_set_array(op->ptr, "offset", offset);
404                         image_view_pan_exec(C, op);
405                         break;
406                 default:
407                         if (event->type == vpd->event_type && event->val == KM_RELEASE) {
408                                 image_view_pan_exit(C, op, false);
409                                 return OPERATOR_FINISHED;
410                         }
411                         break;
412         }
413
414         return OPERATOR_RUNNING_MODAL;
415 }
416
417 static void image_view_pan_cancel(bContext *C, wmOperator *op)
418 {
419         image_view_pan_exit(C, op, true);
420 }
421
422 void IMAGE_OT_view_pan(wmOperatorType *ot)
423 {
424         /* identifiers */
425         ot->name = "View Pan";
426         ot->idname = "IMAGE_OT_view_pan";
427         ot->description = "Pan the view";
428         
429         /* api callbacks */
430         ot->exec = image_view_pan_exec;
431         ot->invoke = image_view_pan_invoke;
432         ot->modal = image_view_pan_modal;
433         ot->cancel = image_view_pan_cancel;
434         ot->poll = space_image_main_region_poll;
435
436         /* flags */
437         ot->flag = OPTYPE_BLOCKING | OPTYPE_GRAB_CURSOR | OPTYPE_LOCK_BYPASS;
438         
439         /* properties */
440         RNA_def_float_vector(ot->srna, "offset", 2, NULL, -FLT_MAX, FLT_MAX,
441                              "Offset", "Offset in floating point units, 1.0 is the width and height of the image", -FLT_MAX, FLT_MAX);
442 }
443
444 /********************** view zoom operator *********************/
445
446 typedef struct ViewZoomData {
447         float origx, origy;
448         float zoom;
449         int event_type;
450         float location[2];
451
452         /* needed for continuous zoom */
453         wmTimer *timer;
454         double timer_lastdraw;
455
456         /* */
457         SpaceImage *sima;
458         ARegion *ar;
459 } ViewZoomData;
460
461 static void image_view_zoom_init(bContext *C, wmOperator *op, const wmEvent *event)
462 {
463         SpaceImage *sima = CTX_wm_space_image(C);
464         ARegion *ar = CTX_wm_region(C);
465         ViewZoomData *vpd;
466
467         op->customdata = vpd = MEM_callocN(sizeof(ViewZoomData), "ImageViewZoomData");
468         WM_cursor_modal_set(CTX_wm_window(C), BC_NSEW_SCROLLCURSOR);
469
470         vpd->origx = event->x;
471         vpd->origy = event->y;
472         vpd->zoom = sima->zoom;
473         vpd->event_type = event->type;
474
475         UI_view2d_region_to_view(&ar->v2d, event->mval[0], event->mval[1], &vpd->location[0], &vpd->location[1]);
476
477         if (U.viewzoom == USER_ZOOM_CONT) {
478                 /* needs a timer to continue redrawing */
479                 vpd->timer = WM_event_add_timer(CTX_wm_manager(C), CTX_wm_window(C), TIMER, 0.01f);
480                 vpd->timer_lastdraw = PIL_check_seconds_timer();
481         }
482
483         vpd->sima = sima;
484         vpd->ar = ar;
485
486         WM_event_add_modal_handler(C, op);
487 }
488
489 static void image_view_zoom_exit(bContext *C, wmOperator *op, bool cancel)
490 {
491         SpaceImage *sima = CTX_wm_space_image(C);
492         ViewZoomData *vpd = op->customdata;
493
494         if (cancel) {
495                 sima->zoom = vpd->zoom;
496                 ED_region_tag_redraw(CTX_wm_region(C));
497         }
498
499         if (vpd->timer)
500                 WM_event_remove_timer(CTX_wm_manager(C), vpd->timer->win, vpd->timer);
501
502         WM_cursor_modal_restore(CTX_wm_window(C));
503         MEM_freeN(op->customdata);
504 }
505
506 static int image_view_zoom_exec(bContext *C, wmOperator *op)
507 {
508         SpaceImage *sima = CTX_wm_space_image(C);
509         ARegion *ar = CTX_wm_region(C);
510
511         sima_zoom_set_factor(sima, ar, RNA_float_get(op->ptr, "factor"), NULL);
512
513         ED_region_tag_redraw(ar);
514
515         /* XXX notifier? */
516 #if 0
517         if (image_preview_active(curarea, NULL, NULL)) {
518                 /* recalculates new preview rect */
519                 scrarea_do_windraw(curarea);
520                 image_preview_event(2);
521         }
522 #endif
523         
524         return OPERATOR_FINISHED;
525 }
526
527 enum {
528         VIEW_PASS = 0,
529         VIEW_APPLY,
530         VIEW_CONFIRM
531 };
532
533 static int image_view_zoom_invoke(bContext *C, wmOperator *op, const wmEvent *event)
534 {
535         if (event->type == MOUSEZOOM || event->type == MOUSEPAN) {
536                 SpaceImage *sima = CTX_wm_space_image(C);
537                 ARegion *ar = CTX_wm_region(C);
538                 float delta, factor, location[2];
539
540                 UI_view2d_region_to_view(&ar->v2d, event->mval[0], event->mval[1], &location[0], &location[1]);
541
542                 delta = event->prevx - event->x + event->prevy - event->y;
543
544                 if (U.uiflag & USER_ZOOM_INVERT)
545                         delta *= -1;
546
547                 factor = 1.0f + delta / 300.0f;
548                 RNA_float_set(op->ptr, "factor", factor);
549                 sima_zoom_set(sima, ar, sima->zoom * factor, location);
550                 ED_region_tag_redraw(ar);
551                 
552                 return OPERATOR_FINISHED;
553         }
554         else {
555                 image_view_zoom_init(C, op, event);
556                 return OPERATOR_RUNNING_MODAL;
557         }
558 }
559
560 static void image_zoom_apply(ViewZoomData *vpd, wmOperator *op, const int x, const int y, const short viewzoom, const short zoom_invert)
561 {
562         float factor;
563
564         if (viewzoom == USER_ZOOM_CONT) {
565                 double time = PIL_check_seconds_timer();
566                 float time_step = (float)(time - vpd->timer_lastdraw);
567                 float fac;
568                 float zfac;
569
570                 if (U.uiflag & USER_ZOOM_HORIZ) {
571                         fac = (float)(x - vpd->origx);
572                 }
573                 else {
574                         fac = (float)(y - vpd->origy);
575                 }
576
577                 if (zoom_invert) {
578                         fac = -fac;
579                 }
580
581                 /* oldstyle zoom */
582                 zfac = 1.0f + ((fac / 20.0f) * time_step);
583                 vpd->timer_lastdraw = time;
584                 /* this is the final zoom, but instead make it into a factor */
585                 //zoom = vpd->sima->zoom * zfac;
586                 factor = (vpd->sima->zoom * zfac) / vpd->zoom;
587         }
588         else {
589                 /* for now do the same things for scale and dolly */
590                 float delta = x - vpd->origx + y - vpd->origy;
591
592                 if (zoom_invert)
593                         delta *= -1.0f;
594
595                 factor = 1.0f + delta / 300.0f;
596         }
597
598         RNA_float_set(op->ptr, "factor", factor);
599         sima_zoom_set(vpd->sima, vpd->ar, vpd->zoom * factor, vpd->location);
600         ED_region_tag_redraw(vpd->ar);
601 }
602
603 static int image_view_zoom_modal(bContext *C, wmOperator *op, const wmEvent *event)
604 {
605         ViewZoomData *vpd = op->customdata;
606         short event_code = VIEW_PASS;
607
608         /* execute the events */
609         if (event->type == TIMER && event->customdata == vpd->timer) {
610                 /* continuous zoom */
611                 event_code = VIEW_APPLY;
612         }
613         else if (event->type == MOUSEMOVE) {
614                 event_code = VIEW_APPLY;
615         }
616         else if (event->type == vpd->event_type && event->val == KM_RELEASE) {
617                 event_code = VIEW_CONFIRM;
618         }
619
620         if (event_code == VIEW_APPLY) {
621                 image_zoom_apply(vpd, op, event->x, event->y, U.viewzoom, (U.uiflag & USER_ZOOM_INVERT) != 0);
622         }
623         else if (event_code == VIEW_CONFIRM) {
624                 image_view_zoom_exit(C, op, false);
625                 return OPERATOR_FINISHED;
626         }
627
628         return OPERATOR_RUNNING_MODAL;
629 }
630
631 static void image_view_zoom_cancel(bContext *C, wmOperator *op)
632 {
633         image_view_zoom_exit(C, op, true);
634 }
635
636 void IMAGE_OT_view_zoom(wmOperatorType *ot)
637 {
638         PropertyRNA *prop;
639
640         /* identifiers */
641         ot->name = "View Zoom";
642         ot->idname = "IMAGE_OT_view_zoom";
643         ot->description = "Zoom in/out the image";
644         
645         /* api callbacks */
646         ot->exec = image_view_zoom_exec;
647         ot->invoke = image_view_zoom_invoke;
648         ot->modal = image_view_zoom_modal;
649         ot->cancel = image_view_zoom_cancel;
650         ot->poll = space_image_main_region_poll;
651
652         /* flags */
653         ot->flag = OPTYPE_BLOCKING | OPTYPE_GRAB_CURSOR | OPTYPE_LOCK_BYPASS;
654         
655         /* properties */
656         prop = RNA_def_float(ot->srna, "factor", 0.0f, -FLT_MAX, FLT_MAX, "Factor",
657                              "Zoom factor, values higher than 1.0 zoom in, lower values zoom out", -FLT_MAX, FLT_MAX);
658         RNA_def_property_flag(prop, PROP_HIDDEN);
659 }
660
661 #ifdef WITH_INPUT_NDOF
662 /********************** NDOF operator *********************/
663
664 /* Combined pan/zoom from a 3D mouse device.
665  * Z zooms, XY pans
666  * "view" (not "paper") control -- user moves the viewpoint, not the image being viewed
667  * that explains the negative signs in the code below
668  */
669
670 static int image_view_ndof_invoke(bContext *C, wmOperator *UNUSED(op), const wmEvent *event)
671 {
672         if (event->type != NDOF_MOTION)
673                 return OPERATOR_CANCELLED;
674         else {
675                 SpaceImage *sima = CTX_wm_space_image(C);
676                 ARegion *ar = CTX_wm_region(C);
677                 float pan_vec[3];
678
679                 const wmNDOFMotionData *ndof = event->customdata;
680                 const float speed = NDOF_PIXELS_PER_SECOND;
681
682                 WM_event_ndof_pan_get(ndof, pan_vec, true);
683
684                 mul_v2_fl(pan_vec, (speed * ndof->dt) / sima->zoom);
685                 pan_vec[2] *= -ndof->dt;
686
687                 sima_zoom_set_factor(sima, ar, 1.0f + pan_vec[2], NULL);
688                 sima->xof += pan_vec[0];
689                 sima->yof += pan_vec[1];
690
691                 ED_region_tag_redraw(ar);
692
693                 return OPERATOR_FINISHED;
694         }
695 }
696
697 void IMAGE_OT_view_ndof(wmOperatorType *ot)
698 {
699         /* identifiers */
700         ot->name = "NDOF Pan/Zoom";
701         ot->idname = "IMAGE_OT_view_ndof";
702         ot->description = "Use a 3D mouse device to pan/zoom the view";
703         
704         /* api callbacks */
705         ot->invoke = image_view_ndof_invoke;
706         ot->poll = space_image_main_region_poll;
707
708         /* flags */
709         ot->flag = OPTYPE_LOCK_BYPASS;
710 }
711 #endif /* WITH_INPUT_NDOF */
712
713 /********************** view all operator *********************/
714
715 /* Updates the fields of the View2D member of the SpaceImage struct.
716  * Default behavior is to reset the position of the image and set the zoom to 1
717  * If the image will not fit within the window rectangle, the zoom is adjusted */
718
719 static int image_view_all_exec(bContext *C, wmOperator *op)
720 {
721         SpaceImage *sima;
722         ARegion *ar;
723         float aspx, aspy, zoomx, zoomy, w, h;
724         int width, height;
725         const bool fit_view = RNA_boolean_get(op->ptr, "fit_view");
726
727         /* retrieve state */
728         sima = CTX_wm_space_image(C);
729         ar = CTX_wm_region(C);
730
731         ED_space_image_get_size(sima, &width, &height);
732         ED_space_image_get_aspect(sima, &aspx, &aspy);
733
734         w = width * aspx;
735         h = height * aspy;
736         
737         /* check if the image will fit in the image with (zoom == 1) */
738         width  = BLI_rcti_size_x(&ar->winrct) + 1;
739         height = BLI_rcti_size_y(&ar->winrct) + 1;
740
741         if (fit_view) {
742                 const int margin = 5; /* margin from border */
743
744                 zoomx = (float) width / (w + 2 * margin);
745                 zoomy = (float) height / (h + 2 * margin);
746
747                 sima_zoom_set(sima, ar, min_ff(zoomx, zoomy), NULL);
748         }
749         else {
750                 if ((w >= width || h >= height) && (width > 0 && height > 0)) {
751                         zoomx = (float) width / w;
752                         zoomy = (float) height / h;
753
754                         /* find the zoom value that will fit the image in the image space */
755                         sima_zoom_set(sima, ar, 1.0f / power_of_2(1.0f / min_ff(zoomx, zoomy)), NULL);
756                 }
757                 else
758                         sima_zoom_set(sima, ar, 1.0f, NULL);
759         }
760
761         sima->xof = sima->yof = 0.0f;
762
763         ED_region_tag_redraw(ar);
764         
765         return OPERATOR_FINISHED;
766 }
767
768 void IMAGE_OT_view_all(wmOperatorType *ot)
769 {
770         PropertyRNA *prop;
771
772         /* identifiers */
773         ot->name = "View All";
774         ot->idname = "IMAGE_OT_view_all";
775         ot->description = "View the entire image";
776         
777         /* api callbacks */
778         ot->exec = image_view_all_exec;
779         ot->poll = space_image_main_region_poll;
780
781         /* flags */
782         ot->flag = OPTYPE_LOCK_BYPASS;
783
784         /* properties */
785         prop = RNA_def_boolean(ot->srna, "fit_view", 0, "Fit View", "Fit frame to the viewport");
786         RNA_def_property_flag(prop, PROP_SKIP_SAVE);
787 }
788
789 /********************** view selected operator *********************/
790
791 static int image_view_selected_exec(bContext *C, wmOperator *UNUSED(op))
792 {
793         SpaceImage *sima;
794         ARegion *ar;
795         Scene *scene;
796         SceneLayer *sl;
797         Object *obedit;
798         Image *ima;
799
800         /* retrieve state */
801         sima = CTX_wm_space_image(C);
802         ar = CTX_wm_region(C);
803         scene = CTX_data_scene(C);
804         sl = CTX_data_scene_layer(C);
805         obedit = CTX_data_edit_object(C);
806
807         ima = ED_space_image(sima);
808
809         /* get bounds */
810         float min[2], max[2];
811         if (ED_space_image_show_uvedit(sima, obedit)) {
812                 if (!ED_uvedit_minmax(scene, ima, obedit, min, max)) {
813                         return OPERATOR_CANCELLED;
814                 }
815         }
816         else if (ED_space_image_check_show_maskedit(sl, sima)) {
817                 if (!ED_mask_selected_minmax(C, min, max)) {
818                         return OPERATOR_CANCELLED;
819                 }
820         }
821         rctf bounds = {
822             .xmin = min[0], .ymin = min[1],
823             .xmax = max[0], .ymax = max[1],
824         };
825
826         /* add some margin */
827         BLI_rctf_scale(&bounds, 1.4f);
828
829         sima_zoom_set_from_bounds(sima, ar, &bounds);
830
831         ED_region_tag_redraw(ar);
832         
833         return OPERATOR_FINISHED;
834 }
835
836 static int image_view_selected_poll(bContext *C)
837 {
838         return (space_image_main_region_poll(C) && (ED_operator_uvedit(C) || ED_operator_mask(C)));
839 }
840
841 void IMAGE_OT_view_selected(wmOperatorType *ot)
842 {
843         /* identifiers */
844         ot->name = "View Center";
845         ot->idname = "IMAGE_OT_view_selected";
846         ot->description = "View all selected UVs";
847         
848         /* api callbacks */
849         ot->exec = image_view_selected_exec;
850         ot->poll = image_view_selected_poll;
851 }
852
853 /********************** view zoom in/out operator *********************/
854
855 static int image_view_zoom_in_exec(bContext *C, wmOperator *op)
856 {
857         SpaceImage *sima = CTX_wm_space_image(C);
858         ARegion *ar = CTX_wm_region(C);
859         float location[2];
860         
861         RNA_float_get_array(op->ptr, "location", location);
862
863         sima_zoom_set_factor(sima, ar, powf(2.0f, 1.0f / 3.0f), location);
864
865         ED_region_tag_redraw(ar);
866         
867         return OPERATOR_FINISHED;
868 }
869
870 static int image_view_zoom_in_invoke(bContext *C, wmOperator *op, const wmEvent *event)
871 {
872         ARegion *ar = CTX_wm_region(C);
873         float location[2];
874
875         UI_view2d_region_to_view(&ar->v2d, event->mval[0], event->mval[1], &location[0], &location[1]);
876         RNA_float_set_array(op->ptr, "location", location);
877
878         return image_view_zoom_in_exec(C, op);
879 }
880
881 void IMAGE_OT_view_zoom_in(wmOperatorType *ot)
882 {
883         PropertyRNA *prop;
884
885         /* identifiers */
886         ot->name = "View Zoom In";
887         ot->idname = "IMAGE_OT_view_zoom_in";
888         ot->description = "Zoom in the image (centered around 2D cursor)";
889         
890         /* api callbacks */
891         ot->invoke = image_view_zoom_in_invoke;
892         ot->exec = image_view_zoom_in_exec;
893         ot->poll = space_image_main_region_poll;
894
895         /* flags */
896         ot->flag = OPTYPE_LOCK_BYPASS;
897
898         /* properties */
899         prop = RNA_def_float_vector(ot->srna, "location", 2, NULL, -FLT_MAX, FLT_MAX,
900                                     "Location", "Cursor location in screen coordinates", -10.0f, 10.0f);
901         RNA_def_property_flag(prop, PROP_HIDDEN);
902 }
903
904 static int image_view_zoom_out_exec(bContext *C, wmOperator *op)
905 {
906         SpaceImage *sima = CTX_wm_space_image(C);
907         ARegion *ar = CTX_wm_region(C);
908         float location[2];
909         
910         RNA_float_get_array(op->ptr, "location", location);
911
912         sima_zoom_set_factor(sima, ar, powf(0.5f, 1.0f / 3.0f), location);
913         
914         ED_region_tag_redraw(ar);
915         
916         return OPERATOR_FINISHED;
917 }
918
919 static int image_view_zoom_out_invoke(bContext *C, wmOperator *op, const wmEvent *event)
920 {
921         ARegion *ar = CTX_wm_region(C);
922         float location[2];
923
924         UI_view2d_region_to_view(&ar->v2d, event->mval[0], event->mval[1], &location[0], &location[1]);
925         RNA_float_set_array(op->ptr, "location", location);
926
927         return image_view_zoom_out_exec(C, op);
928 }
929
930 void IMAGE_OT_view_zoom_out(wmOperatorType *ot)
931 {
932         PropertyRNA *prop;
933
934         /* identifiers */
935         ot->name = "View Zoom Out";
936         ot->idname = "IMAGE_OT_view_zoom_out";
937         ot->description = "Zoom out the image (centered around 2D cursor)";
938         
939         /* api callbacks */
940         ot->invoke = image_view_zoom_out_invoke;
941         ot->exec = image_view_zoom_out_exec;
942         ot->poll = space_image_main_region_poll;
943
944         /* flags */
945         ot->flag = OPTYPE_LOCK_BYPASS;
946
947         /* properties */
948         prop = RNA_def_float_vector(ot->srna, "location", 2, NULL, -FLT_MAX, FLT_MAX,
949                                     "Location", "Cursor location in screen coordinates", -10.0f, 10.0f);
950         RNA_def_property_flag(prop, PROP_HIDDEN);
951 }
952
953 /********************** view zoom ratio operator *********************/
954
955 static int image_view_zoom_ratio_exec(bContext *C, wmOperator *op)
956 {
957         SpaceImage *sima = CTX_wm_space_image(C);
958         ARegion *ar = CTX_wm_region(C);
959
960         sima_zoom_set(sima, ar, RNA_float_get(op->ptr, "ratio"), NULL);
961         
962         /* ensure pixel exact locations for draw */
963         sima->xof = (int)sima->xof;
964         sima->yof = (int)sima->yof;
965
966         /* XXX notifier? */
967 #if 0
968         if (image_preview_active(curarea, NULL, NULL)) {
969                 /* recalculates new preview rect */
970                 scrarea_do_windraw(curarea);
971                 image_preview_event(2);
972         }
973 #endif
974
975         ED_region_tag_redraw(ar);
976         
977         return OPERATOR_FINISHED;
978 }
979
980 void IMAGE_OT_view_zoom_ratio(wmOperatorType *ot)
981 {
982         /* identifiers */
983         ot->name = "View Zoom Ratio";
984         ot->idname = "IMAGE_OT_view_zoom_ratio";
985         ot->description = "Set zoom ratio of the view";
986         
987         /* api callbacks */
988         ot->exec = image_view_zoom_ratio_exec;
989         ot->poll = space_image_main_region_poll;
990
991         /* flags */
992         ot->flag = OPTYPE_LOCK_BYPASS;
993
994         /* properties */
995         RNA_def_float(ot->srna, "ratio", 0.0f, -FLT_MAX, FLT_MAX,
996                       "Ratio", "Zoom ratio, 1.0 is 1:1, higher is zoomed in, lower is zoomed out", -FLT_MAX, FLT_MAX);
997 }
998
999 /********************** view border-zoom operator *********************/
1000
1001 static int image_view_zoom_border_exec(bContext *C, wmOperator *op)
1002 {
1003         SpaceImage *sima = CTX_wm_space_image(C);
1004         ARegion *ar = CTX_wm_region(C);
1005         rctf bounds;
1006         const int gesture_mode = RNA_int_get(op->ptr, "gesture_mode");
1007
1008         WM_operator_properties_border_to_rctf(op, &bounds);
1009
1010         UI_view2d_region_to_view_rctf(&ar->v2d, &bounds, &bounds);
1011
1012         const struct {
1013                 float xof;
1014                 float yof;
1015                 float zoom;
1016         } sima_view_prev = {
1017                 .xof = sima->xof,
1018                 .yof = sima->yof,
1019                 .zoom = sima->zoom,
1020         };
1021
1022         sima_zoom_set_from_bounds(sima, ar, &bounds);
1023
1024         /* zoom out */
1025         if (gesture_mode == GESTURE_MODAL_OUT) {
1026                 sima->xof = sima_view_prev.xof + (sima->xof - sima_view_prev.xof);
1027                 sima->yof = sima_view_prev.yof + (sima->yof - sima_view_prev.yof);
1028                 sima->zoom = sima_view_prev.zoom * (sima_view_prev.zoom / sima->zoom);
1029         }
1030
1031         ED_region_tag_redraw(ar);
1032
1033         return OPERATOR_FINISHED;
1034 }
1035
1036 void IMAGE_OT_view_zoom_border(wmOperatorType *ot)
1037 {
1038         /* identifiers */
1039         ot->name = "Zoom to Border";
1040         ot->description = "Zoom in the view to the nearest item contained in the border";
1041         ot->idname = "IMAGE_OT_view_zoom_border";
1042
1043         /* api callbacks */
1044         ot->invoke = WM_border_select_invoke;
1045         ot->exec = image_view_zoom_border_exec;
1046         ot->modal = WM_border_select_modal;
1047         ot->cancel = WM_border_select_cancel;
1048
1049         ot->poll = space_image_main_region_poll;
1050
1051         /* rna */
1052         WM_operator_properties_gesture_border(ot, false);
1053 }
1054
1055 /**************** load/replace/save callbacks ******************/
1056 static void image_filesel(bContext *C, wmOperator *op, const char *path)
1057 {
1058         RNA_string_set(op->ptr, "filepath", path);
1059         WM_event_add_fileselect(C, op); 
1060 }
1061
1062 /******************** open image operator ********************/
1063
1064 typedef struct ImageOpenData {
1065         PropertyPointerRNA pprop;
1066         ImageUser *iuser;
1067         ImageFormatData im_format;
1068 } ImageOpenData;
1069
1070 typedef struct ImageFrameRange {
1071         struct ImageFrameRange *next, *prev;
1072         ListBase frames;
1073         /**  The full path of the first file in the list of image files */
1074         char filepath[FILE_MAX];
1075 } ImageFrameRange;
1076
1077 typedef struct ImageFrame {
1078         struct ImageFrame *next, *prev;
1079         int framenr;
1080 } ImageFrame;
1081
1082 static void image_open_init(bContext *C, wmOperator *op)
1083 {
1084         ImageOpenData *iod;
1085         op->customdata = iod = MEM_callocN(sizeof(ImageOpenData), __func__);
1086         iod->iuser = CTX_data_pointer_get_type(C, "image_user", &RNA_ImageUser).data;
1087         UI_context_active_but_prop_get_templateID(C, &iod->pprop.ptr, &iod->pprop.prop);
1088 }
1089
1090 static void image_open_cancel(bContext *UNUSED(C), wmOperator *op)
1091 {
1092         MEM_freeN(op->customdata);
1093         op->customdata = NULL;
1094 }
1095
1096 /**
1097  * \brief Get a list of frames from the list of image files matching the first file name sequence pattern
1098  * \param ptr [in] the RNA pointer containing the "directory" entry and "files" collection
1099  * \param frames_all [out] the list of frame numbers found in the files matching the first one by name
1100  */
1101 static void image_sequence_get_frame_ranges(PointerRNA *ptr, ListBase *frames_all)
1102 {
1103         char dir[FILE_MAXDIR];
1104         const bool do_frame_range = RNA_boolean_get(ptr, "use_sequence_detection");
1105         ImageFrameRange *frame_range = NULL;
1106
1107         RNA_string_get(ptr, "directory", dir);
1108         RNA_BEGIN (ptr, itemptr, "files")
1109         {
1110                 char base_head[FILE_MAX], base_tail[FILE_MAX];
1111                 char head[FILE_MAX], tail[FILE_MAX];
1112                 unsigned short digits;
1113                 char *filename = RNA_string_get_alloc(&itemptr, "name", NULL, 0);
1114                 ImageFrame *frame = MEM_callocN(sizeof(ImageFrame), "image_frame");
1115
1116                 /* use the first file in the list as base filename */
1117                 frame->framenr = BLI_stringdec(filename, head, tail, &digits);
1118
1119                 /* still in the same sequence */
1120                 if (do_frame_range &&
1121                     (frame_range != NULL) &&
1122                     (STREQLEN(base_head, head, FILE_MAX)) &&
1123                     (STREQLEN(base_tail, tail, FILE_MAX)))
1124                 {
1125                         /* pass */
1126                 }
1127                 else {
1128                         /* start a new frame range */
1129                         frame_range = MEM_callocN(sizeof(*frame_range), __func__);
1130                         BLI_join_dirfile(frame_range->filepath, sizeof(frame_range->filepath), dir, filename);
1131                         BLI_addtail(frames_all, frame_range);
1132
1133                         BLI_strncpy(base_head, head, sizeof(base_head));
1134                         BLI_strncpy(base_tail, tail, sizeof(base_tail));
1135                 }
1136
1137                 BLI_addtail(&frame_range->frames, frame);
1138                 MEM_freeN(filename);
1139         }
1140         RNA_END
1141 }
1142
1143 static int image_cmp_frame(const void *a, const void *b)
1144 {
1145         const ImageFrame *frame_a = a;
1146         const ImageFrame *frame_b = b;
1147
1148         if (frame_a->framenr < frame_b->framenr) return -1;
1149         if (frame_a->framenr > frame_b->framenr) return 1;
1150         return 0;
1151 }
1152
1153 /**
1154  * \brief Return the start (offset) and the length of the sequence of continuous frames in the list of frames
1155  * \param frames [in] the list of frame numbers, as a side-effect the list is sorted
1156  * \param ofs [out] offest, the first frame number in the sequence
1157  * \return the number of contiguous frames in the sequence
1158  */
1159 static int image_sequence_get_len(ListBase *frames, int *ofs)
1160 {
1161         ImageFrame *frame;
1162
1163         BLI_listbase_sort(frames, image_cmp_frame);
1164
1165         frame = frames->first;
1166         if (frame) {
1167                 int frame_curr = frame->framenr;
1168                 (*ofs) = frame_curr;
1169                 while (frame && (frame->framenr == frame_curr)) {
1170                         frame_curr++;
1171                         frame = frame->next;
1172                 }
1173                 return frame_curr - (*ofs);
1174         }
1175         return 0;
1176 }
1177
1178 static Image *image_open_single(
1179         wmOperator *op, const char *filepath, const char *relbase,
1180         bool is_relative_path, bool use_multiview, int frame_seq_len)
1181 {
1182         bool exists = false;
1183         Image *ima = NULL;
1184
1185         errno = 0;
1186         ima = BKE_image_load_exists_ex(filepath, &exists);
1187
1188         if (!ima) {
1189                 if (op->customdata) MEM_freeN(op->customdata);
1190                 BKE_reportf(op->reports, RPT_ERROR, "Cannot read '%s': %s",
1191                             filepath, errno ? strerror(errno) : TIP_("unsupported image format"));
1192                 return NULL;
1193         }
1194
1195         if (!exists) {
1196                 /* only image path after save, never ibuf */
1197                 if (is_relative_path) {
1198                         BLI_path_rel(ima->name, relbase);
1199                 }
1200
1201                 /* handle multiview images */
1202                 if (use_multiview) {
1203                         ImageOpenData *iod = op->customdata;
1204                         ImageFormatData *imf = &iod->im_format;
1205
1206                         ima->flag |= IMA_USE_VIEWS;
1207                         ima->views_format = imf->views_format;
1208                         *ima->stereo3d_format = imf->stereo3d_format;
1209                 }
1210                 else {
1211                         ima->flag &= ~IMA_USE_VIEWS;
1212                         BKE_image_free_views(ima);
1213                 }
1214
1215                 if ((frame_seq_len > 1) && (ima->source == IMA_SRC_FILE)) {
1216                         ima->source = IMA_SRC_SEQUENCE;
1217                 }
1218         }
1219
1220         return ima;
1221 }
1222
1223
1224 static int image_open_exec(bContext *C, wmOperator *op)
1225 {
1226         Main *bmain = CTX_data_main(C);
1227         ScrArea *sa = CTX_wm_area(C);
1228         Scene *scene = CTX_data_scene(C);
1229         Object *obedit = CTX_data_edit_object(C);
1230         ImageUser *iuser = NULL;
1231         ImageOpenData *iod = op->customdata;
1232         PointerRNA idptr;
1233         Image *ima = NULL;
1234         char filepath[FILE_MAX];
1235         int frame_seq_len = 0;
1236         int frame_ofs = 1;
1237
1238         const bool is_relative_path = RNA_boolean_get(op->ptr, "relative_path");
1239         const bool use_multiview    = RNA_boolean_get(op->ptr, "use_multiview");
1240
1241         if (!op->customdata)
1242                 image_open_init(C, op);
1243
1244         RNA_string_get(op->ptr, "filepath", filepath);
1245
1246         if (RNA_struct_property_is_set(op->ptr, "directory") &&
1247             RNA_struct_property_is_set(op->ptr, "files"))
1248         {
1249                 bool was_relative = BLI_path_is_rel(filepath);
1250                 ListBase frame_ranges_all;
1251
1252                 BLI_listbase_clear(&frame_ranges_all);
1253                 image_sequence_get_frame_ranges(op->ptr, &frame_ranges_all);
1254                 for (ImageFrameRange *frame_range = frame_ranges_all.first; frame_range; frame_range = frame_range->next) {
1255                         int frame_range_ofs;
1256                         int frame_range_seq_len = image_sequence_get_len(&frame_range->frames, &frame_range_ofs);
1257                         BLI_freelistN(&frame_range->frames);
1258
1259                         char filepath_range[FILE_MAX];
1260                         BLI_strncpy(filepath_range, frame_range->filepath, sizeof(filepath_range));
1261
1262                         if (was_relative) {
1263                                 BLI_path_rel(filepath_range, bmain->name);
1264                         }
1265
1266                         Image *ima_range = image_open_single(
1267                                  op, filepath_range, bmain->name,
1268                                  is_relative_path, use_multiview, frame_range_seq_len);
1269
1270                         /* take the first image */
1271                         if ((ima == NULL) && ima_range) {
1272                                 ima = ima_range;
1273                                 frame_seq_len = frame_range_seq_len;
1274                                 frame_ofs = frame_range_ofs;
1275                         }
1276                 }
1277                 BLI_freelistN(&frame_ranges_all);
1278         }
1279         else {
1280                 /* for drag & drop etc. */
1281                 ima = image_open_single(
1282                         op, filepath, bmain->name,
1283                         is_relative_path, use_multiview, 1);
1284         }
1285
1286         if (ima == NULL) {
1287                 return OPERATOR_CANCELLED;
1288         }
1289
1290         /* hook into UI */
1291         iod = op->customdata;
1292
1293         if (iod->pprop.prop) {
1294                 /* when creating new ID blocks, use is already 1, but RNA
1295                  * pointer use also increases user, so this compensates it */
1296                 id_us_min(&ima->id);
1297
1298                 RNA_id_pointer_create(&ima->id, &idptr);
1299                 RNA_property_pointer_set(&iod->pprop.ptr, iod->pprop.prop, idptr);
1300                 RNA_property_update(C, &iod->pprop.ptr, iod->pprop.prop);
1301         }
1302
1303         if (iod->iuser) {
1304                 iuser = iod->iuser;
1305         }
1306         else if (sa->spacetype == SPACE_IMAGE) {
1307                 SpaceImage *sima = sa->spacedata.first;
1308                 ED_space_image_set(sima, scene, obedit, ima);
1309                 iuser = &sima->iuser;
1310         }
1311         else if (sa->spacetype == SPACE_VIEW3D) {
1312                 View3D *v3d = sa->spacedata.first;
1313
1314                 for (BGpic *bgpic = v3d->bgpicbase.first; bgpic; bgpic = bgpic->next) {
1315                         if (bgpic->ima == ima) {
1316                                 iuser = &bgpic->iuser;
1317                                 break;
1318                         }
1319                 }
1320         }
1321         else {
1322                 Tex *tex = CTX_data_pointer_get_type(C, "texture", &RNA_Texture).data;
1323                 if (tex && tex->type == TEX_IMAGE) {
1324                         iuser = &tex->iuser;
1325                 }
1326         }
1327
1328         /* initialize because of new image */
1329         if (iuser) {
1330                 iuser->frames = frame_seq_len;
1331                 iuser->sfra = 1;
1332                 iuser->framenr = 1;
1333                 iuser->offset = frame_ofs - 1;
1334                 iuser->fie_ima = 2;
1335                 iuser->scene = scene;
1336                 BKE_image_init_imageuser(ima, iuser);
1337         }
1338
1339         /* XXX unpackImage frees image buffers */
1340         ED_preview_kill_jobs(CTX_wm_manager(C), bmain);
1341         
1342         BKE_image_signal(ima, iuser, IMA_SIGNAL_RELOAD);
1343         WM_event_add_notifier(C, NC_IMAGE | NA_EDITED, ima);
1344         
1345         MEM_freeN(op->customdata);
1346
1347         return OPERATOR_FINISHED;
1348 }
1349
1350 static int image_open_invoke(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
1351 {
1352         SpaceImage *sima = CTX_wm_space_image(C); /* XXX other space types can call */
1353         const char *path = U.textudir;
1354         Image *ima = NULL;
1355         Scene *scene = CTX_data_scene(C);
1356
1357         if (sima) {
1358                 ima = sima->image;
1359         }
1360
1361         if (ima == NULL) {
1362                 Tex *tex = CTX_data_pointer_get_type(C, "texture", &RNA_Texture).data;
1363                 if (tex && tex->type == TEX_IMAGE)
1364                         ima = tex->ima;
1365         }
1366
1367         if (ima == NULL) {
1368                 PointerRNA ptr;
1369                 PropertyRNA *prop;
1370
1371                 /* hook into UI */
1372                 UI_context_active_but_prop_get_templateID(C, &ptr, &prop);
1373
1374                 if (prop) {
1375                         PointerRNA oldptr;
1376                         Image *oldima;
1377
1378                         oldptr = RNA_property_pointer_get(&ptr, prop);
1379                         oldima = (Image *)oldptr.id.data;
1380                         /* unlikely to fail but better avoid strange crash */
1381                         if (oldima && GS(oldima->id.name) == ID_IM) {
1382                                 ima = oldima;
1383                         }
1384                 }
1385         }
1386
1387         if (ima)
1388                 path = ima->name;
1389
1390         if (RNA_struct_property_is_set(op->ptr, "filepath"))
1391                 return image_open_exec(C, op);
1392         
1393         image_open_init(C, op);
1394
1395         /* show multiview save options only if scene has multiviews */
1396         PropertyRNA *prop;
1397         prop = RNA_struct_find_property(op->ptr, "show_multiview");
1398         RNA_property_boolean_set(op->ptr, prop, (scene->r.scemode & R_MULTIVIEW) != 0);
1399
1400         image_filesel(C, op, path);
1401
1402         return OPERATOR_RUNNING_MODAL;
1403 }
1404
1405 static bool image_open_draw_check_prop(PointerRNA *UNUSED(ptr), PropertyRNA *prop)
1406 {
1407         const char *prop_id = RNA_property_identifier(prop);
1408
1409         return !(STREQ(prop_id, "filepath") ||
1410                  STREQ(prop_id, "directory") ||
1411                  STREQ(prop_id, "filename")
1412                  );
1413 }
1414
1415 static void image_open_draw(bContext *UNUSED(C), wmOperator *op)
1416 {
1417         uiLayout *layout = op->layout;
1418         ImageOpenData *iod = op->customdata;
1419         ImageFormatData *imf = &iod->im_format;
1420         PointerRNA imf_ptr, ptr;
1421
1422         /* main draw call */
1423         RNA_pointer_create(NULL, op->type->srna, op->properties, &ptr);
1424         uiDefAutoButsRNA(layout, &ptr, image_open_draw_check_prop, '\0');
1425
1426         /* image template */
1427         RNA_pointer_create(NULL, &RNA_ImageFormatSettings, imf, &imf_ptr);
1428
1429         /* multiview template */
1430         if (RNA_boolean_get(op->ptr, "show_multiview"))
1431                 uiTemplateImageFormatViews(layout, &imf_ptr, op->ptr);
1432 }
1433
1434 /* called by other space types too */
1435 void IMAGE_OT_open(wmOperatorType *ot)
1436 {
1437         /* identifiers */
1438         ot->name = "Open Image";
1439         ot->description = "Open image";
1440         ot->idname = "IMAGE_OT_open";
1441         
1442         /* api callbacks */
1443         ot->exec = image_open_exec;
1444         ot->invoke = image_open_invoke;
1445         ot->cancel = image_open_cancel;
1446         ot->ui = image_open_draw;
1447
1448         /* flags */
1449         ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
1450
1451         /* properties */
1452         WM_operator_properties_filesel(
1453                 ot, FILE_TYPE_FOLDER | FILE_TYPE_IMAGE | FILE_TYPE_MOVIE, FILE_SPECIAL, FILE_OPENFILE,
1454                 WM_FILESEL_FILEPATH | WM_FILESEL_DIRECTORY | WM_FILESEL_FILES | WM_FILESEL_RELPATH,
1455                 FILE_DEFAULTDISPLAY, FILE_SORT_ALPHA);
1456
1457         RNA_def_boolean(ot->srna, "use_sequence_detection", true, "Detect Sequences",
1458                         "Automatically detect animated sequences in selected images (based on file names)");
1459 }
1460
1461 /******************** Match movie length operator ********************/
1462 static int image_match_len_exec(bContext *C, wmOperator *UNUSED(op))
1463 {
1464         Scene *scene = CTX_data_scene(C);
1465         Image *ima = CTX_data_pointer_get_type(C, "edit_image", &RNA_Image).data;
1466         ImageUser *iuser = CTX_data_pointer_get_type(C, "edit_image_user", &RNA_ImageUser).data;
1467
1468         if (!ima || !iuser) {
1469                 /* Try to get a Texture, or a SpaceImage from context... */
1470                 SpaceImage *sima = CTX_wm_space_image(C);
1471                 Tex *tex = CTX_data_pointer_get_type(C, "texture", &RNA_Texture).data;
1472                 if (tex && tex->type == TEX_IMAGE) {
1473                         ima = tex->ima;
1474                         iuser = &tex->iuser;
1475                 }
1476                 else if (sima) {
1477                         ima = sima->image;
1478                         iuser = &sima->iuser;
1479                 }
1480                 
1481         }
1482
1483         if (!ima || !iuser || !BKE_image_has_anim(ima))
1484                 return OPERATOR_CANCELLED;
1485
1486         struct anim *anim = ((ImageAnim *)ima->anims.first)->anim;
1487         if (!anim)
1488                 return OPERATOR_CANCELLED;
1489         iuser->frames = IMB_anim_get_duration(anim, IMB_TC_RECORD_RUN);
1490         BKE_image_user_frame_calc(iuser, scene->r.cfra, 0);
1491
1492         return OPERATOR_FINISHED;
1493 }
1494
1495 /* called by other space types too */
1496 void IMAGE_OT_match_movie_length(wmOperatorType *ot)
1497 {
1498         /* identifiers */
1499         ot->name = "Match Movie Length";
1500         ot->description = "Set image's user's length to the one of this video";
1501         ot->idname = "IMAGE_OT_match_movie_length";
1502         
1503         /* api callbacks */
1504         ot->exec = image_match_len_exec;
1505
1506         /* flags */
1507         ot->flag = OPTYPE_REGISTER | OPTYPE_INTERNAL/* | OPTYPE_UNDO */; /* Don't think we need undo for that. */
1508 }
1509
1510 /******************** replace image operator ********************/
1511
1512 static int image_replace_exec(bContext *C, wmOperator *op)
1513 {
1514         SpaceImage *sima = CTX_wm_space_image(C);
1515         char str[FILE_MAX];
1516
1517         if (!sima->image)
1518                 return OPERATOR_CANCELLED;
1519         
1520         RNA_string_get(op->ptr, "filepath", str);
1521
1522         /* we cant do much if the str is longer then FILE_MAX :/ */
1523         BLI_strncpy(sima->image->name, str, sizeof(sima->image->name));
1524
1525         if (sima->image->source == IMA_SRC_GENERATED) {
1526                 sima->image->source = IMA_SRC_FILE;
1527                 BKE_image_signal(sima->image, &sima->iuser, IMA_SIGNAL_SRC_CHANGE);
1528         }
1529         
1530         if (BLI_testextensie_array(str, imb_ext_movie))
1531                 sima->image->source = IMA_SRC_MOVIE;
1532         else
1533                 sima->image->source = IMA_SRC_FILE;
1534
1535         /* XXX unpackImage frees image buffers */
1536         ED_preview_kill_jobs(CTX_wm_manager(C), CTX_data_main(C));
1537         
1538         BKE_icon_changed(BKE_icon_id_ensure(&sima->image->id));
1539         BKE_image_signal(sima->image, &sima->iuser, IMA_SIGNAL_RELOAD);
1540         WM_event_add_notifier(C, NC_IMAGE | NA_EDITED, sima->image);
1541
1542         return OPERATOR_FINISHED;
1543 }
1544
1545 static int image_replace_invoke(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
1546 {
1547         SpaceImage *sima = CTX_wm_space_image(C);
1548
1549         if (!sima->image)
1550                 return OPERATOR_CANCELLED;
1551
1552         if (RNA_struct_property_is_set(op->ptr, "filepath"))
1553                 return image_replace_exec(C, op);
1554
1555         if (!RNA_struct_property_is_set(op->ptr, "relative_path"))
1556                 RNA_boolean_set(op->ptr, "relative_path", BLI_path_is_rel(sima->image->name));
1557
1558         image_filesel(C, op, sima->image->name);
1559
1560         return OPERATOR_RUNNING_MODAL;
1561 }
1562
1563 void IMAGE_OT_replace(wmOperatorType *ot)
1564 {
1565         /* identifiers */
1566         ot->name = "Replace Image";
1567         ot->idname = "IMAGE_OT_replace";
1568         ot->description = "Replace current image by another one from disk";
1569         
1570         /* api callbacks */
1571         ot->exec = image_replace_exec;
1572         ot->invoke = image_replace_invoke;
1573         ot->poll = image_not_packed_poll;
1574
1575         /* flags */
1576         ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
1577
1578         /* properties */
1579         WM_operator_properties_filesel(
1580                 ot, FILE_TYPE_FOLDER | FILE_TYPE_IMAGE | FILE_TYPE_MOVIE, FILE_SPECIAL, FILE_OPENFILE,
1581                 WM_FILESEL_FILEPATH | WM_FILESEL_RELPATH, FILE_DEFAULTDISPLAY, FILE_SORT_ALPHA);
1582 }
1583
1584 /******************** save image as operator ********************/
1585
1586 typedef struct {
1587         /* matching scene->r settings */
1588         //short planes, imtype, subimtype, quality;
1589         ImageFormatData im_format;
1590         char filepath[FILE_MAX]; /* keep absolute */
1591 } SaveImageOptions;
1592
1593 static void save_image_options_defaults(SaveImageOptions *simopts)
1594 {
1595         BKE_imformat_defaults(&simopts->im_format);
1596         simopts->filepath[0] = '\0';
1597 }
1598
1599 static char imtype_best_depth(ImBuf *ibuf, const char imtype)
1600 {
1601         const char depth_ok = BKE_imtype_valid_depths(imtype);
1602
1603         if (ibuf->rect_float) {
1604                 if (depth_ok & R_IMF_CHAN_DEPTH_32) return R_IMF_CHAN_DEPTH_32;
1605                 if (depth_ok & R_IMF_CHAN_DEPTH_24) return R_IMF_CHAN_DEPTH_24;
1606                 if (depth_ok & R_IMF_CHAN_DEPTH_16) return R_IMF_CHAN_DEPTH_16;
1607                 if (depth_ok & R_IMF_CHAN_DEPTH_12) return R_IMF_CHAN_DEPTH_12;
1608                 return R_IMF_CHAN_DEPTH_8;
1609         }
1610         else {
1611                 if (depth_ok & R_IMF_CHAN_DEPTH_8) return R_IMF_CHAN_DEPTH_8;
1612                 if (depth_ok & R_IMF_CHAN_DEPTH_12) return R_IMF_CHAN_DEPTH_12;
1613                 if (depth_ok & R_IMF_CHAN_DEPTH_16) return R_IMF_CHAN_DEPTH_16;
1614                 if (depth_ok & R_IMF_CHAN_DEPTH_24) return R_IMF_CHAN_DEPTH_24;
1615                 if (depth_ok & R_IMF_CHAN_DEPTH_32) return R_IMF_CHAN_DEPTH_32;
1616                 return R_IMF_CHAN_DEPTH_8; /* fallback, should not get here */
1617         }
1618 }
1619
1620 static int save_image_options_init(SaveImageOptions *simopts, SpaceImage *sima, Scene *scene,
1621                                    const bool guess_path, const bool save_as_render)
1622 {
1623         void *lock;
1624         ImBuf *ibuf = ED_space_image_acquire_buffer(sima, &lock);
1625
1626         if (ibuf) {
1627                 Image *ima = sima->image;
1628                 bool is_depth_set = false;
1629
1630                 if (ELEM(ima->type, IMA_TYPE_R_RESULT, IMA_TYPE_COMPOSITE)) {
1631                         /* imtype */
1632                         simopts->im_format = scene->r.im_format;
1633                         is_depth_set = true;
1634                         if (!BKE_image_is_multiview(ima)) {
1635                                 /* In case multiview is disabled, render settings would be invalid for render result in this area. */
1636                                 simopts->im_format.stereo3d_format = *ima->stereo3d_format;
1637                                 simopts->im_format.views_format = ima->views_format;
1638                         }
1639                 }
1640                 else {
1641                         if (ima->source == IMA_SRC_GENERATED) {
1642                                 simopts->im_format.imtype = R_IMF_IMTYPE_PNG;
1643                                 simopts->im_format.compress = ibuf->foptions.quality;
1644                                 simopts->im_format.planes = ibuf->planes;
1645                         }
1646                         else {
1647                                 BKE_imbuf_to_image_format(&simopts->im_format, ibuf);
1648                         }
1649
1650                         /* use the multiview image settings as the default */
1651                         simopts->im_format.stereo3d_format = *ima->stereo3d_format;
1652                         simopts->im_format.views_format = ima->views_format;
1653                 }
1654
1655                 //simopts->subimtype = scene->r.subimtype; /* XXX - this is lame, we need to make these available too! */
1656
1657                 BLI_strncpy(simopts->filepath, ibuf->name, sizeof(simopts->filepath));
1658
1659                 /* sanitize all settings */
1660
1661                 /* unlikely but just in case */
1662                 if (ELEM(simopts->im_format.planes, R_IMF_PLANES_BW, R_IMF_PLANES_RGB, R_IMF_PLANES_RGBA) == 0) {
1663                         simopts->im_format.planes = R_IMF_PLANES_RGBA;
1664                 }
1665
1666                 /* depth, account for float buffer and format support */
1667                 if (is_depth_set == false) {
1668                         simopts->im_format.depth = imtype_best_depth(ibuf, simopts->im_format.imtype);
1669                 }
1670
1671                 /* some formats don't use quality so fallback to scenes quality */
1672                 if (simopts->im_format.quality == 0) {
1673                         simopts->im_format.quality = scene->r.im_format.quality;
1674                 }
1675
1676                 /* check for empty path */
1677                 if (guess_path && simopts->filepath[0] == 0) {
1678                         const bool is_prev_save = !STREQ(G.ima, "//");
1679                         if (save_as_render) {
1680                                 if (is_prev_save) {
1681                                         BLI_strncpy(simopts->filepath, G.ima, sizeof(simopts->filepath));
1682                                 }
1683                                 else {
1684                                         BLI_strncpy(simopts->filepath, "//untitled", sizeof(simopts->filepath));
1685                                         BLI_path_abs(simopts->filepath, G.main->name);
1686                                 }
1687                         }
1688                         else {
1689                                 BLI_snprintf(simopts->filepath, sizeof(simopts->filepath), "//%s", ima->id.name + 2);
1690                                 BLI_path_abs(simopts->filepath, is_prev_save ? G.ima : G.main->name);
1691                         }
1692                 }
1693
1694                 /* color management */
1695                 BKE_color_managed_display_settings_copy(&simopts->im_format.display_settings, &scene->display_settings);
1696                 BKE_color_managed_view_settings_copy(&simopts->im_format.view_settings, &scene->view_settings);
1697         }
1698
1699         ED_space_image_release_buffer(sima, ibuf, lock);
1700
1701         return (ibuf != NULL);
1702 }
1703
1704 static void save_image_options_from_op(SaveImageOptions *simopts, wmOperator *op)
1705 {
1706         if (op->customdata) {
1707                 BKE_color_managed_view_settings_free(&simopts->im_format.view_settings);
1708
1709                 simopts->im_format = *(ImageFormatData *)op->customdata;
1710         }
1711
1712         if (RNA_struct_property_is_set(op->ptr, "filepath")) {
1713                 RNA_string_get(op->ptr, "filepath", simopts->filepath);
1714                 BLI_path_abs(simopts->filepath, G.main->name);
1715         }
1716 }
1717
1718 static void save_image_options_to_op(SaveImageOptions *simopts, wmOperator *op)
1719 {
1720         if (op->customdata) {
1721                 BKE_color_managed_view_settings_free(&((ImageFormatData *)op->customdata)->view_settings);
1722
1723                 *(ImageFormatData *)op->customdata = simopts->im_format;
1724         }
1725
1726         RNA_string_set(op->ptr, "filepath", simopts->filepath);
1727 }
1728
1729 static void save_image_post(
1730         wmOperator *op, ImBuf *ibuf, Image *ima, int ok, int save_copy,
1731         const char *relbase, int relative, int do_newpath, const char *filepath)
1732 {
1733         if (ok) {
1734                 if (!save_copy) {
1735                         ColorManagedColorspaceSettings old_colorspace_settings;
1736
1737                         if (do_newpath) {
1738                                 BLI_strncpy(ibuf->name, filepath, sizeof(ibuf->name));
1739                                 BLI_strncpy(ima->name, filepath, sizeof(ima->name));
1740                         }
1741
1742                         ibuf->userflags &= ~IB_BITMAPDIRTY;
1743
1744                         /* change type? */
1745                         if (ima->type == IMA_TYPE_R_RESULT) {
1746                                 ima->type = IMA_TYPE_IMAGE;
1747
1748                                 /* workaround to ensure the render result buffer is no longer used
1749                                  * by this image, otherwise can crash when a new render result is
1750                                  * created. */
1751                                 if (ibuf->rect && !(ibuf->mall & IB_rect))
1752                                         imb_freerectImBuf(ibuf);
1753                                 if (ibuf->rect_float && !(ibuf->mall & IB_rectfloat))
1754                                         imb_freerectfloatImBuf(ibuf);
1755                                 if (ibuf->zbuf && !(ibuf->mall & IB_zbuf))
1756                                         IMB_freezbufImBuf(ibuf);
1757                                 if (ibuf->zbuf_float && !(ibuf->mall & IB_zbuffloat))
1758                                         IMB_freezbuffloatImBuf(ibuf);
1759                         }
1760                         if (ELEM(ima->source, IMA_SRC_GENERATED, IMA_SRC_VIEWER)) {
1761                                 ima->source = IMA_SRC_FILE;
1762                                 ima->type = IMA_TYPE_IMAGE;
1763                         }
1764
1765                         /* only image path, never ibuf */
1766                         if (relative) {
1767                                 BLI_path_rel(ima->name, relbase); /* only after saving */
1768                         }
1769
1770                         BKE_color_managed_colorspace_settings_copy(&old_colorspace_settings,
1771                                                                    &ima->colorspace_settings);
1772                         IMB_colormanagment_colorspace_from_ibuf_ftype(&ima->colorspace_settings, ibuf);
1773                         if (!BKE_color_managed_colorspace_settings_equals(&old_colorspace_settings,
1774                                                                           &ima->colorspace_settings))
1775                         {
1776                                 BKE_image_signal(ima, NULL, IMA_SIGNAL_COLORMANAGE);
1777                         }
1778                 }
1779         }
1780         else {
1781                 BKE_reportf(op->reports, RPT_ERROR, "Could not write image: %s", strerror(errno));
1782         }
1783 }
1784
1785 static void save_imbuf_post(ImBuf *ibuf, ImBuf *colormanaged_ibuf)
1786 {
1787         if (colormanaged_ibuf != ibuf) {
1788                 /* This guys might be modified by image buffer write functions,
1789                  * need to copy them back from color managed image buffer to an
1790                  * original one, so file type of image is being properly updated.
1791                  */
1792                 ibuf->ftype = colormanaged_ibuf->ftype;
1793                 ibuf->foptions = colormanaged_ibuf->foptions;
1794                 ibuf->planes = colormanaged_ibuf->planes;
1795
1796                 IMB_freeImBuf(colormanaged_ibuf);
1797         }
1798 }
1799
1800 /**
1801  * \return success.
1802  * \note ``ima->name`` and ``ibuf->name`` should end up the same.
1803  * \note for multiview the first ``ibuf`` is important to get the settings.
1804  */
1805 static bool save_image_doit(bContext *C, SpaceImage *sima, wmOperator *op, SaveImageOptions *simopts, bool do_newpath)
1806 {
1807         Image *ima = ED_space_image(sima);
1808         void *lock;
1809         ImBuf *ibuf = ED_space_image_acquire_buffer(sima, &lock);
1810         Scene *scene;
1811         RenderResult *rr = NULL;
1812         bool ok = false;
1813
1814         WM_cursor_wait(1);
1815
1816         if (ibuf) {
1817                 ImBuf *colormanaged_ibuf = NULL;
1818                 const char *relbase = ID_BLEND_PATH(CTX_data_main(C), &ima->id);
1819                 const bool relative = (RNA_struct_find_property(op->ptr, "relative_path") && RNA_boolean_get(op->ptr, "relative_path"));
1820                 const bool save_copy = (RNA_struct_find_property(op->ptr, "copy") && RNA_boolean_get(op->ptr, "copy"));
1821                 const bool save_as_render = (RNA_struct_find_property(op->ptr, "save_as_render") && RNA_boolean_get(op->ptr, "save_as_render"));
1822                 ImageFormatData *imf = &simopts->im_format;
1823
1824                 const bool is_multilayer = imf->imtype == R_IMF_IMTYPE_MULTILAYER;
1825                 bool is_mono;
1826
1827                 /* old global to ensure a 2nd save goes to same dir */
1828                 BLI_strncpy(G.ima, simopts->filepath, sizeof(G.ima));
1829
1830                 if (ima->type == IMA_TYPE_R_RESULT) {
1831                         /* enforce user setting for RGB or RGBA, but skip BW */
1832                         if (simopts->im_format.planes == R_IMF_PLANES_RGBA) {
1833                                 ibuf->planes = R_IMF_PLANES_RGBA;
1834                         }
1835                         else if (simopts->im_format.planes == R_IMF_PLANES_RGB) {
1836                                 ibuf->planes = R_IMF_PLANES_RGB;
1837                         }
1838                 }
1839                 else {
1840                         /* TODO, better solution, if a 24bit image is painted onto it may contain alpha */
1841                         if ((simopts->im_format.planes == R_IMF_PLANES_RGBA) &&
1842                             /* it has been painted onto */
1843                             (ibuf->userflags & IB_BITMAPDIRTY))
1844                         {
1845                                 /* checks each pixel, not ideal */
1846                                 ibuf->planes = BKE_imbuf_alpha_test(ibuf) ? R_IMF_PLANES_RGBA : R_IMF_PLANES_RGB;
1847                         }
1848                 }
1849
1850                 /* we need renderresult for exr and rendered multiview */
1851                 scene = CTX_data_scene(C);
1852                 rr = BKE_image_acquire_renderresult(scene, ima);
1853                 is_mono = rr ? BLI_listbase_count_ex(&rr->views, 2) < 2 : BLI_listbase_count_ex(&ima->views, 2) < 2;
1854
1855                 /* error handling */
1856                 if (!rr) {
1857                         if (imf->imtype == R_IMF_IMTYPE_MULTILAYER) {
1858                                 BKE_report(op->reports, RPT_ERROR, "Did not write, no Multilayer Image");
1859                                 goto cleanup;
1860                         }
1861                 }
1862                 else {
1863                         if (imf->views_format == R_IMF_VIEWS_STEREO_3D) {
1864                                 if (!BKE_image_is_stereo(ima)) {
1865                                         BKE_reportf(op->reports, RPT_ERROR, "Did not write, the image doesn't have a \"%s\" and \"%s\" views",
1866                                                    STEREO_LEFT_NAME, STEREO_RIGHT_NAME);
1867                                         goto cleanup;
1868                                 }
1869
1870                                 /* it shouldn't ever happen*/
1871                                 if ((BLI_findstring(&rr->views, STEREO_LEFT_NAME, offsetof(RenderView, name)) == NULL) ||
1872                                     (BLI_findstring(&rr->views, STEREO_RIGHT_NAME, offsetof(RenderView, name)) == NULL))
1873                                 {
1874                                         BKE_reportf(op->reports, RPT_ERROR, "Did not write, the image doesn't have a \"%s\" and \"%s\" views",
1875                                                    STEREO_LEFT_NAME, STEREO_RIGHT_NAME);
1876                                         goto cleanup;
1877                                 }
1878                         }
1879                         BKE_imbuf_stamp_info(rr, ibuf);
1880                 }
1881
1882                 /* fancy multiview OpenEXR */
1883                 if ((imf->imtype == R_IMF_IMTYPE_MULTILAYER) && (imf->views_format == R_IMF_VIEWS_MULTIVIEW)) {
1884                         ok = RE_WriteRenderResult(op->reports, rr, simopts->filepath, imf, true, NULL);
1885                         save_image_post(op, ibuf, ima, ok, true, relbase, relative, do_newpath, simopts->filepath);
1886                         ED_space_image_release_buffer(sima, ibuf, lock);
1887                 }
1888                 else if ((imf->imtype == R_IMF_IMTYPE_OPENEXR) && (imf->views_format == R_IMF_VIEWS_MULTIVIEW)) {
1889                         /* treat special Openexr case separetely (this is the singlelayer multiview OpenEXR */
1890                         BKE_imbuf_write_prepare(ibuf, imf);
1891                         ok = BKE_image_save_openexr_multiview(ima, ibuf, simopts->filepath, (IB_rect | IB_zbuf | IB_zbuffloat | IB_multiview));
1892                         ED_space_image_release_buffer(sima, ibuf, lock);
1893                 }
1894                 /* regular mono pipeline */
1895                 else if (is_mono) {
1896                         if (is_multilayer) {
1897                                 ok = RE_WriteRenderResult(op->reports, rr, simopts->filepath, imf, false, NULL);
1898                         }
1899                         else {
1900                                 colormanaged_ibuf = IMB_colormanagement_imbuf_for_write(ibuf, save_as_render, true, &imf->view_settings, &imf->display_settings, imf);
1901                                 ok = BKE_imbuf_write_as(colormanaged_ibuf, simopts->filepath, imf, save_copy);
1902                                 save_imbuf_post(ibuf, colormanaged_ibuf);
1903                         }
1904                         save_image_post(op, ibuf, ima, ok, (is_multilayer ? true : save_copy), relbase, relative, do_newpath, simopts->filepath);
1905                         ED_space_image_release_buffer(sima, ibuf, lock);
1906                 }
1907                 /* individual multiview images */
1908                 else if (imf->views_format == R_IMF_VIEWS_INDIVIDUAL) {
1909                         int i;
1910                         unsigned char planes = ibuf->planes;
1911                         const int totviews = (rr ? BLI_listbase_count(&rr->views) : BLI_listbase_count(&ima->views));
1912
1913                         if (!is_multilayer) {
1914                                 ED_space_image_release_buffer(sima, ibuf, lock);
1915                         }
1916
1917                         for (i = 0; i < totviews; i++) {
1918                                 char filepath[FILE_MAX];
1919                                 bool ok_view = false;
1920                                 const char *view = rr ? ((RenderView *) BLI_findlink(&rr->views, i))->name :
1921                                                         ((ImageView *) BLI_findlink(&ima->views, i))->name;
1922
1923                                 if (is_multilayer) {
1924                                         BKE_scene_multiview_view_filepath_get(&scene->r, simopts->filepath, view, filepath);
1925                                         ok_view = RE_WriteRenderResult(op->reports, rr, filepath, imf, false, view);
1926                                         save_image_post(op, ibuf, ima, ok_view, true, relbase, relative, do_newpath, filepath);
1927                                 }
1928                                 else {
1929                                         /* copy iuser to get the correct ibuf for this view */
1930                                         ImageUser iuser = sima->iuser;
1931                                         iuser.view = i;
1932                                         iuser.flag &= ~IMA_SHOW_STEREO;
1933
1934                                         if (rr)
1935                                                 BKE_image_multilayer_index(rr, &iuser);
1936                                         else
1937                                                 BKE_image_multiview_index(ima, &iuser);
1938
1939                                         ibuf = BKE_image_acquire_ibuf(sima->image, &iuser, &lock);
1940                                         ibuf->planes = planes;
1941
1942                                         BKE_scene_multiview_view_filepath_get(&scene->r, simopts->filepath, view, filepath);
1943
1944                                         colormanaged_ibuf = IMB_colormanagement_imbuf_for_write(ibuf, save_as_render, true, &imf->view_settings, &imf->display_settings, imf);
1945                                         ok_view = BKE_imbuf_write_as(colormanaged_ibuf, filepath, &simopts->im_format, save_copy);
1946                                         save_imbuf_post(ibuf, colormanaged_ibuf);
1947                                         save_image_post(op, ibuf, ima, ok_view, true, relbase, relative, do_newpath, filepath);
1948                                         BKE_image_release_ibuf(sima->image, ibuf, lock);
1949                                 }
1950                                 ok &= ok_view;
1951                         }
1952
1953                         if (is_multilayer) {
1954                                 ED_space_image_release_buffer(sima, ibuf, lock);
1955                         }
1956                 }
1957                 /* stereo (multiview) images */
1958                 else if (simopts->im_format.views_format == R_IMF_VIEWS_STEREO_3D) {
1959                         if (imf->imtype == R_IMF_IMTYPE_MULTILAYER) {
1960                                 ok = RE_WriteRenderResult(op->reports, rr, simopts->filepath, imf, false, NULL);
1961                                 save_image_post(op, ibuf, ima, ok, true, relbase, relative, do_newpath, simopts->filepath);
1962                                 ED_space_image_release_buffer(sima, ibuf, lock);
1963                         }
1964                         else {
1965                                 ImBuf *ibuf_stereo[2] = {NULL};
1966
1967                                 unsigned char planes = ibuf->planes;
1968                                 const char *names[2] = {STEREO_LEFT_NAME, STEREO_RIGHT_NAME};
1969                                 int i;
1970
1971                                 /* we need to get the specific per-view buffers */
1972                                 ED_space_image_release_buffer(sima, ibuf, lock);
1973
1974                                 for (i = 0; i < 2; i ++) {
1975                                         ImageUser iuser = sima->iuser;
1976                                         iuser.flag &= ~IMA_SHOW_STEREO;
1977
1978                                         if (rr) {
1979                                                 int id = BLI_findstringindex(&rr->views, names[i], offsetof(RenderView, name));
1980                                                 iuser.view = id;
1981                                                 BKE_image_multilayer_index(rr, &iuser);
1982                                         }
1983                                         else {
1984                                                 iuser.view = i;
1985                                                 BKE_image_multiview_index(ima, &iuser);
1986                                         }
1987
1988                                         ibuf = BKE_image_acquire_ibuf(sima->image, &iuser, &lock);
1989
1990                                         if (ibuf == NULL) {
1991                                                 BKE_report(op->reports, RPT_ERROR, "Did not write, unexpected error when saving stereo image");
1992                                                 goto cleanup;
1993                                         }
1994
1995                                         ibuf->planes = planes;
1996
1997                                         /* color manage the ImBuf leaving it ready for saving */
1998                                         colormanaged_ibuf = IMB_colormanagement_imbuf_for_write(ibuf, save_as_render, true,
1999                                                                                                 &imf->view_settings, &imf->display_settings, imf);
2000
2001                                         BKE_imbuf_write_prepare(colormanaged_ibuf, imf);
2002                                         IMB_prepare_write_ImBuf(IMB_isfloat(colormanaged_ibuf), colormanaged_ibuf);
2003
2004                                         /* duplicate buffer to prevent locker issue when using render result */
2005                                         ibuf_stereo[i] = IMB_dupImBuf(colormanaged_ibuf);
2006
2007                                         save_imbuf_post(ibuf, colormanaged_ibuf);
2008                                         BKE_image_release_ibuf(sima->image, ibuf, lock);
2009                                 }
2010
2011                                 ibuf = IMB_stereo3d_ImBuf(imf, ibuf_stereo[0], ibuf_stereo[1]);
2012
2013                                 /* save via traditional path */
2014                                 ok = BKE_imbuf_write_as(ibuf, simopts->filepath, imf, save_copy);
2015
2016                                 IMB_freeImBuf(ibuf);
2017
2018                                 for (i = 0; i < 2; i ++) {
2019                                         IMB_freeImBuf(ibuf_stereo[i]);
2020                                 }
2021                         }
2022                 }
2023
2024                 WM_event_add_notifier(C, NC_IMAGE | NA_EDITED, sima->image);
2025
2026         }
2027         else {
2028 cleanup:
2029                 ED_space_image_release_buffer(sima, ibuf, lock);
2030         }
2031
2032         if (rr) {
2033                 BKE_image_release_renderresult(scene, ima);
2034         }
2035
2036         WM_cursor_wait(0);
2037
2038         return ok;
2039 }
2040
2041 static void image_save_as_free(wmOperator *op)
2042 {
2043         if (op->customdata) {
2044                 ImageFormatData *im_format = (ImageFormatData *)op->customdata;
2045                 BKE_color_managed_view_settings_free(&im_format->view_settings);
2046
2047                 MEM_freeN(op->customdata);
2048                 op->customdata = NULL;
2049         }
2050 }
2051
2052 static int image_save_as_exec(bContext *C, wmOperator *op)
2053 {
2054         SpaceImage *sima = CTX_wm_space_image(C);
2055         SaveImageOptions simopts;
2056
2057         save_image_options_defaults(&simopts);
2058
2059         /* just in case to initialize values,
2060          * these should be set on invoke or by the caller. */
2061         save_image_options_init(&simopts, sima, CTX_data_scene(C), false, false);
2062
2063         save_image_options_from_op(&simopts, op);
2064
2065         save_image_doit(C, sima, op, &simopts, true);
2066
2067         image_save_as_free(op);
2068         return OPERATOR_FINISHED;
2069 }
2070
2071
2072 static bool image_save_as_check(bContext *UNUSED(C), wmOperator *op)
2073 {
2074         ImageFormatData *imf = op->customdata;
2075         return WM_operator_filesel_ensure_ext_imtype(op, imf);
2076 }
2077
2078 static int image_save_as_invoke(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
2079 {
2080         SpaceImage *sima = CTX_wm_space_image(C);
2081         Image *ima = ED_space_image(sima);
2082         Scene *scene = CTX_data_scene(C);
2083         SaveImageOptions simopts;
2084         PropertyRNA *prop;
2085         const bool save_as_render = ((ima->source == IMA_SRC_VIEWER) || (ima->flag & IMA_VIEW_AS_RENDER));
2086
2087         if (RNA_struct_property_is_set(op->ptr, "filepath"))
2088                 return image_save_as_exec(C, op);
2089
2090         save_image_options_defaults(&simopts);
2091
2092         if (save_image_options_init(&simopts, sima, scene, true, save_as_render) == 0)
2093                 return OPERATOR_CANCELLED;
2094         save_image_options_to_op(&simopts, op);
2095
2096         /* enable save_copy by default for render results */
2097         if (ELEM(ima->type, IMA_TYPE_R_RESULT, IMA_TYPE_COMPOSITE) && !RNA_struct_property_is_set(op->ptr, "copy")) {
2098                 RNA_boolean_set(op->ptr, "copy", true);
2099         }
2100
2101         RNA_boolean_set(op->ptr, "save_as_render", save_as_render);
2102
2103         op->customdata = MEM_mallocN(sizeof(simopts.im_format), __func__);
2104         memcpy(op->customdata, &simopts.im_format, sizeof(simopts.im_format));
2105
2106         /* show multiview save options only if image has multiviews */
2107         prop = RNA_struct_find_property(op->ptr, "show_multiview");
2108         RNA_property_boolean_set(op->ptr, prop, BKE_image_is_multiview(ima));
2109         prop = RNA_struct_find_property(op->ptr, "use_multiview");
2110         RNA_property_boolean_set(op->ptr, prop, BKE_image_is_multiview(ima));
2111
2112         image_filesel(C, op, simopts.filepath);
2113
2114         return OPERATOR_RUNNING_MODAL;
2115 }
2116
2117 static void image_save_as_cancel(bContext *UNUSED(C), wmOperator *op)
2118 {
2119         image_save_as_free(op);
2120 }
2121
2122 static bool image_save_as_draw_check_prop(PointerRNA *ptr, PropertyRNA *prop)
2123 {
2124         const char *prop_id = RNA_property_identifier(prop);
2125
2126         return !(STREQ(prop_id, "filepath") ||
2127                  STREQ(prop_id, "directory") ||
2128                  STREQ(prop_id, "filename") ||
2129                  /* when saving a copy, relative path has no effect */
2130                  ((STREQ(prop_id, "relative_path")) && RNA_boolean_get(ptr, "copy"))
2131                  );
2132 }
2133
2134 static void image_save_as_draw(bContext *UNUSED(C), wmOperator *op)
2135 {
2136         uiLayout *layout = op->layout;
2137         ImageFormatData *imf = op->customdata;
2138         PointerRNA imf_ptr, ptr;
2139         const bool is_multiview = RNA_boolean_get(op->ptr, "show_multiview");
2140
2141         /* image template */
2142         RNA_pointer_create(NULL, &RNA_ImageFormatSettings, imf, &imf_ptr);
2143         uiTemplateImageSettings(layout, &imf_ptr, false);
2144
2145         /* main draw call */
2146         RNA_pointer_create(NULL, op->type->srna, op->properties, &ptr);
2147         uiDefAutoButsRNA(layout, &ptr, image_save_as_draw_check_prop, '\0');
2148
2149         /* multiview template */
2150         if (is_multiview)
2151                 uiTemplateImageFormatViews(layout, &imf_ptr, op->ptr);
2152 }
2153
2154 static int image_save_as_poll(bContext *C)
2155 {
2156         if (space_image_buffer_exists_poll(C)) {
2157                 if (G.is_rendering) {
2158                         /* no need to NULL check here */
2159                         SpaceImage *sima = CTX_wm_space_image(C);
2160                         Image *ima = ED_space_image(sima);
2161
2162                         if (ima->source == IMA_SRC_VIEWER) {
2163                                 CTX_wm_operator_poll_msg_set(C, "can't save image while rendering");
2164                                 return false;
2165                         }
2166                 }
2167                 return true;
2168         }
2169         return false;
2170 }
2171
2172 void IMAGE_OT_save_as(wmOperatorType *ot)
2173 {
2174         /* identifiers */
2175         ot->name = "Save As Image";
2176         ot->idname = "IMAGE_OT_save_as";
2177         ot->description = "Save the image with another name and/or settings";
2178         
2179         /* api callbacks */
2180         ot->exec = image_save_as_exec;
2181         ot->check = image_save_as_check;
2182         ot->invoke = image_save_as_invoke;
2183         ot->cancel = image_save_as_cancel;
2184         ot->ui = image_save_as_draw;
2185         ot->poll = image_save_as_poll;
2186
2187         /* flags */
2188         ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
2189
2190         /* properties */
2191         RNA_def_boolean(ot->srna, "save_as_render", 0, "Save As Render", "Apply render part of display transform when saving byte image");
2192         RNA_def_boolean(ot->srna, "copy", 0, "Copy", "Create a new image file without modifying the current image in blender");
2193
2194         WM_operator_properties_filesel(
2195                 ot, FILE_TYPE_FOLDER | FILE_TYPE_IMAGE | FILE_TYPE_MOVIE, FILE_SPECIAL, FILE_SAVE,
2196                 WM_FILESEL_FILEPATH | WM_FILESEL_RELPATH, FILE_DEFAULTDISPLAY, FILE_SORT_ALPHA);
2197 }
2198
2199 /******************** save image operator ********************/
2200
2201 static int image_save_exec(bContext *C, wmOperator *op)
2202 {
2203         SpaceImage *sima = CTX_wm_space_image(C);
2204         Scene *scene = CTX_data_scene(C);
2205         SaveImageOptions simopts;
2206
2207         save_image_options_defaults(&simopts);
2208         if (save_image_options_init(&simopts, sima, scene, false, false) == 0)
2209                 return OPERATOR_CANCELLED;
2210         save_image_options_from_op(&simopts, op);
2211
2212         if (BLI_exists(simopts.filepath) && BLI_file_is_writable(simopts.filepath)) {
2213                 if (save_image_doit(C, sima, op, &simopts, false)) {
2214                         /* report since this can be called from key-shortcuts */
2215                         BKE_reportf(op->reports, RPT_INFO, "Saved Image '%s'", simopts.filepath);
2216                 }
2217         }
2218         else {
2219                 BKE_reportf(op->reports, RPT_ERROR, "Cannot save image, path '%s' is not writable", simopts.filepath);
2220                 return OPERATOR_CANCELLED;
2221         }
2222
2223         return OPERATOR_FINISHED;
2224 }
2225
2226 void IMAGE_OT_save(wmOperatorType *ot)
2227 {
2228         /* identifiers */
2229         ot->name = "Save Image";
2230         ot->idname = "IMAGE_OT_save";
2231         ot->description = "Save the image with current name and settings";
2232         
2233         /* api callbacks */
2234         ot->exec = image_save_exec;
2235         ot->poll = space_image_file_exists_poll;
2236
2237         /* flags */
2238         ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
2239 }
2240
2241 /******************* save sequence operator ********************/
2242
2243 static int image_save_sequence_exec(bContext *C, wmOperator *op)
2244 {
2245         Main *bmain = CTX_data_main(C);
2246         SpaceImage *sima = CTX_wm_space_image(C);
2247         ImBuf *ibuf, *first_ibuf = NULL;
2248         int tot = 0;
2249         char di[FILE_MAX];
2250         struct MovieCacheIter *iter;
2251         
2252         if (sima->image == NULL)
2253                 return OPERATOR_CANCELLED;
2254
2255         if (sima->image->source != IMA_SRC_SEQUENCE) {
2256                 BKE_report(op->reports, RPT_ERROR, "Can only save sequence on image sequences");
2257                 return OPERATOR_CANCELLED;
2258         }
2259
2260         if (sima->image->type == IMA_TYPE_MULTILAYER) {
2261                 BKE_report(op->reports, RPT_ERROR, "Cannot save multilayer sequences");
2262                 return OPERATOR_CANCELLED;
2263         }
2264         
2265         /* get total dirty buffers and first dirty buffer which is used for menu */
2266         ibuf = NULL;
2267         if (sima->image->cache != NULL) {
2268                 iter = IMB_moviecacheIter_new(sima->image->cache);
2269                 while (!IMB_moviecacheIter_done(iter)) {
2270                         ibuf = IMB_moviecacheIter_getImBuf(iter);
2271                         if (ibuf->userflags & IB_BITMAPDIRTY) {
2272                                 if (first_ibuf == NULL) {
2273                                         first_ibuf = ibuf;
2274                                 }
2275                                 tot++;
2276                         }
2277                         IMB_moviecacheIter_step(iter);
2278                 }
2279                 IMB_moviecacheIter_free(iter);
2280         }
2281         
2282         if (tot == 0) {
2283                 BKE_report(op->reports, RPT_WARNING, "No images have been changed");
2284                 return OPERATOR_CANCELLED;
2285         }
2286
2287         /* get a filename for menu */
2288         BLI_split_dir_part(first_ibuf->name, di, sizeof(di));
2289         BKE_reportf(op->reports, RPT_INFO, "%d image(s) will be saved in %s", tot, di);
2290
2291         iter = IMB_moviecacheIter_new(sima->image->cache);
2292         while (!IMB_moviecacheIter_done(iter)) {
2293                 ibuf = IMB_moviecacheIter_getImBuf(iter);
2294
2295                 if (ibuf->userflags & IB_BITMAPDIRTY) {
2296                         char name[FILE_MAX];
2297                         BLI_strncpy(name, ibuf->name, sizeof(name));
2298
2299                         BLI_path_abs(name, bmain->name);
2300
2301                         if (0 == IMB_saveiff(ibuf, name, IB_rect | IB_zbuf | IB_zbuffloat)) {
2302                                 BKE_reportf(op->reports, RPT_ERROR, "Could not write image: %s", strerror(errno));
2303                                 break;
2304                         }
2305
2306                         BKE_reportf(op->reports, RPT_INFO, "Saved %s", ibuf->name);
2307                         ibuf->userflags &= ~IB_BITMAPDIRTY;
2308                 }
2309
2310                 IMB_moviecacheIter_step(iter);
2311         }
2312         IMB_moviecacheIter_free(iter);
2313
2314         return OPERATOR_FINISHED;
2315 }
2316
2317 void IMAGE_OT_save_sequence(wmOperatorType *ot)
2318 {
2319         /* identifiers */
2320         ot->name = "Save Sequence";
2321         ot->idname = "IMAGE_OT_save_sequence";
2322         ot->description = "Save a sequence of images";
2323         
2324         /* api callbacks */
2325         ot->exec = image_save_sequence_exec;
2326         ot->poll = space_image_buffer_exists_poll;
2327
2328         /* flags */
2329         ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
2330 }
2331
2332 /******************** reload image operator ********************/
2333
2334 static int image_reload_exec(bContext *C, wmOperator *UNUSED(op))
2335 {
2336         Image *ima = CTX_data_edit_image(C);
2337         SpaceImage *sima = CTX_wm_space_image(C);
2338
2339         if (!ima)
2340                 return OPERATOR_CANCELLED;
2341
2342         /* XXX unpackImage frees image buffers */
2343         ED_preview_kill_jobs(CTX_wm_manager(C), CTX_data_main(C));
2344         
2345         // XXX other users?
2346         BKE_image_signal(ima, (sima) ? &sima->iuser : NULL, IMA_SIGNAL_RELOAD);
2347         DEG_id_tag_update(&ima->id, 0);
2348
2349         WM_event_add_notifier(C, NC_IMAGE | NA_EDITED, ima);
2350         
2351         return OPERATOR_FINISHED;
2352 }
2353
2354 void IMAGE_OT_reload(wmOperatorType *ot)
2355 {
2356         /* identifiers */
2357         ot->name = "Reload Image";
2358         ot->idname = "IMAGE_OT_reload";
2359         ot->description = "Reload current image from disk";
2360         
2361         /* api callbacks */
2362         ot->exec = image_reload_exec;
2363
2364         /* flags */
2365         ot->flag = OPTYPE_REGISTER; /* no undo, image buffer is not handled by undo */
2366 }
2367
2368 /********************** new image operator *********************/
2369 #define IMA_DEF_NAME N_("Untitled")
2370
2371 enum {
2372         GEN_CONTEXT_NONE = 0,
2373         GEN_CONTEXT_PAINT_CANVAS = 1,
2374         GEN_CONTEXT_PAINT_STENCIL = 2
2375 };
2376
2377 static int image_new_exec(bContext *C, wmOperator *op)
2378 {
2379         SpaceImage *sima;
2380         Scene *scene;
2381         Object *obedit;
2382         Image *ima;
2383         Main *bmain;
2384         PointerRNA ptr, idptr;
2385         PropertyRNA *prop;
2386         char _name[MAX_ID_NAME - 2];
2387         char *name = _name;
2388         float color[4];
2389         int width, height, floatbuf, gen_type, alpha;
2390         int gen_context;
2391         int stereo3d;
2392
2393         /* retrieve state */
2394         sima = CTX_wm_space_image(C);
2395         scene = CTX_data_scene(C);
2396         obedit = CTX_data_edit_object(C);
2397         bmain = CTX_data_main(C);
2398
2399         prop = RNA_struct_find_property(op->ptr, "name");
2400         RNA_property_string_get(op->ptr, prop, name);
2401         if (!RNA_property_is_set(op->ptr, prop)) {
2402                 /* Default value, we can translate! */
2403                 name = (char *)DATA_(name);
2404         }
2405         width = RNA_int_get(op->ptr, "width");
2406         height = RNA_int_get(op->ptr, "height");
2407         floatbuf = RNA_boolean_get(op->ptr, "float");
2408         gen_type = RNA_enum_get(op->ptr, "generated_type");
2409         RNA_float_get_array(op->ptr, "color", color);
2410         alpha = RNA_boolean_get(op->ptr, "alpha");
2411         gen_context = RNA_enum_get(op->ptr, "gen_context");
2412         stereo3d = RNA_boolean_get(op->ptr, "use_stereo_3d");
2413
2414         if (!alpha)
2415                 color[3] = 1.0f;
2416
2417         ima = BKE_image_add_generated(bmain, width, height, name, alpha ? 32 : 24, floatbuf, gen_type, color, stereo3d);
2418
2419         if (!ima)
2420                 return OPERATOR_CANCELLED;
2421
2422         /* hook into UI */
2423         UI_context_active_but_prop_get_templateID(C, &ptr, &prop);
2424
2425         if (prop) {
2426                 /* when creating new ID blocks, use is already 1, but RNA
2427                  * pointer use also increases user, so this compensates it */
2428                 id_us_min(&ima->id);
2429
2430                 RNA_id_pointer_create(&ima->id, &idptr);
2431                 RNA_property_pointer_set(&ptr, prop, idptr);
2432                 RNA_property_update(C, &ptr, prop);
2433         }
2434         else if (sima) {
2435                 ED_space_image_set(sima, scene, obedit, ima);
2436         }
2437         else if (gen_context == GEN_CONTEXT_PAINT_CANVAS) {
2438                 bScreen *sc;
2439                 Object *ob = CTX_data_active_object(C);
2440                 
2441                 GPU_drawobject_free(ob->derivedFinal);  
2442                 if (scene->toolsettings->imapaint.canvas)
2443                         id_us_min(&scene->toolsettings->imapaint.canvas->id);
2444                 scene->toolsettings->imapaint.canvas = ima;
2445                 
2446                 for (sc = bmain->screen.first; sc; sc = sc->id.next) {
2447                         ScrArea *sa;
2448                         for (sa = sc->areabase.first; sa; sa = sa->next) {
2449                                 SpaceLink *sl;
2450                                 for (sl = sa->spacedata.first; sl; sl = sl->next) {
2451                                         if (sl->spacetype == SPACE_IMAGE) {
2452                                                 SpaceImage *sima_other = (SpaceImage *)sl;
2453                                                 
2454                                                 if (!sima_other->pin) {
2455                                                         ED_space_image_set(sima_other, scene, scene->obedit, ima);
2456                                                 }
2457                                         }
2458                                 }
2459                         }
2460                 }
2461                 BKE_paint_proj_mesh_data_check(scene, ob, NULL, NULL, NULL, NULL);
2462                 WM_event_add_notifier(C, NC_SCENE | ND_TOOLSETTINGS, NULL);
2463         }
2464         else if (gen_context == GEN_CONTEXT_PAINT_STENCIL) {
2465                 Object *ob = CTX_data_active_object(C);
2466                 if (scene->toolsettings->imapaint.stencil)
2467                         id_us_min(&scene->toolsettings->imapaint.stencil->id);
2468                 scene->toolsettings->imapaint.stencil = ima;
2469                 BKE_paint_proj_mesh_data_check(scene, ob, NULL, NULL, NULL, NULL);      
2470                 WM_event_add_notifier(C, NC_SCENE | ND_TOOLSETTINGS, NULL);             
2471         }
2472         else {
2473                 Tex *tex = CTX_data_pointer_get_type(C, "texture", &RNA_Texture).data;
2474                 if (tex && tex->type == TEX_IMAGE) {
2475                         if (tex->ima)
2476                                 id_us_min(&tex->ima->id);
2477                         tex->ima = ima;
2478                         ED_area_tag_redraw(CTX_wm_area(C));
2479                 }
2480         }
2481
2482         BKE_image_signal(ima, (sima) ? &sima->iuser : NULL, IMA_SIGNAL_USER_NEW_IMAGE);
2483         
2484         WM_event_add_notifier(C, NC_IMAGE | NA_ADDED, ima);
2485         
2486         return OPERATOR_FINISHED;
2487 }
2488
2489 /* XXX, Ton is not a fan of OK buttons but using this function to avoid undo/redo bug while in mesh-editmode, - campbell */
2490 /* XXX Note: the WM_operator_props_dialog_popup() doesn't work for UI_context_active_but_prop_get_templateID(), image is not being that way */
2491 static int image_new_invoke(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
2492 {
2493         /* Better for user feedback. */
2494         RNA_string_set(op->ptr, "name", DATA_(IMA_DEF_NAME));
2495         return WM_operator_props_dialog_popup(C, op, 15 * UI_UNIT_X, 5 * UI_UNIT_Y);
2496 }
2497
2498 static void image_new_draw(bContext *UNUSED(C), wmOperator *op)
2499 {
2500         uiLayout *split, *col[2];
2501         uiLayout *layout = op->layout;
2502         PointerRNA ptr;
2503 #if 0
2504         Scene *scene = CTX_data_scene(C);
2505         const bool is_multiview = (scene->r.scemode & R_MULTIVIEW) != 0;
2506 #endif
2507
2508         RNA_pointer_create(NULL, op->type->srna, op->properties, &ptr);
2509
2510         /* copy of WM_operator_props_dialog_popup() layout */
2511
2512         split = uiLayoutSplit(layout, 0.5f, false);
2513         col[0] = uiLayoutColumn(split, false);
2514         col[1] = uiLayoutColumn(split, false);
2515
2516         uiItemL(col[0], IFACE_("Name"), ICON_NONE);
2517         uiItemR(col[1], &ptr, "name", 0, "", ICON_NONE);
2518
2519         uiItemL(col[0], IFACE_("Width"), ICON_NONE);
2520         uiItemR(col[1], &ptr, "width", 0, "", ICON_NONE);
2521
2522         uiItemL(col[0], IFACE_("Height"), ICON_NONE);
2523         uiItemR(col[1], &ptr, "height", 0, "", ICON_NONE);
2524
2525         uiItemL(col[0], IFACE_("Color"), ICON_NONE);
2526         uiItemR(col[1], &ptr, "color", 0, "", ICON_NONE);
2527
2528         uiItemL(col[0], "", ICON_NONE);
2529         uiItemR(col[1], &ptr, "alpha", 0, NULL, ICON_NONE);
2530
2531         uiItemL(col[0], IFACE_("Generated Type"), ICON_NONE);
2532         uiItemR(col[1], &ptr, "generated_type", 0, "", ICON_NONE);
2533
2534         uiItemL(col[0], "", ICON_NONE);
2535         uiItemR(col[1], &ptr, "float", 0, NULL, ICON_NONE);
2536
2537 #if 0
2538         if (is_multiview) {
2539                 uiItemL(col[0], "", ICON_NONE);
2540                 uiItemR(col[1], &ptr, "use_stereo_3d", 0, NULL, ICON_NONE);
2541         }
2542 #endif
2543 }
2544
2545 void IMAGE_OT_new(wmOperatorType *ot)
2546 {
2547         PropertyRNA *prop;
2548         static float default_color[4] = {0.0f, 0.0f, 0.0f, 1.0f};
2549
2550         static EnumPropertyItem gen_context_items[] = {
2551                 {GEN_CONTEXT_NONE, "NONE", 0, "None", ""},
2552                 {GEN_CONTEXT_PAINT_CANVAS, "PAINT_CANVAS", 0, "Paint Canvas", ""},
2553                 {GEN_CONTEXT_PAINT_STENCIL, "PAINT_STENCIL", 0, "Paint Stencil", ""},
2554                 {0, NULL, 0, NULL, NULL}
2555         };
2556         
2557         /* identifiers */
2558         ot->name = "New Image";
2559         ot->description = "Create a new image";
2560         ot->idname = "IMAGE_OT_new";
2561         
2562         /* api callbacks */
2563         ot->exec = image_new_exec;
2564         ot->invoke = image_new_invoke;
2565         ot->ui = image_new_draw;
2566         
2567         /* flags */
2568         ot->flag = OPTYPE_UNDO;
2569
2570         /* properties */
2571         RNA_def_string(ot->srna, "name", IMA_DEF_NAME, MAX_ID_NAME - 2, "Name", "Image data-block name");
2572         prop = RNA_def_int(ot->srna, "width", 1024, 1, INT_MAX, "Width", "Image width", 1, 16384);
2573         RNA_def_property_subtype(prop, PROP_PIXEL);
2574         prop = RNA_def_int(ot->srna, "height", 1024, 1, INT_MAX, "Height", "Image height", 1, 16384);
2575         RNA_def_property_subtype(prop, PROP_PIXEL);
2576         prop = RNA_def_float_color(ot->srna, "color", 4, NULL, 0.0f, FLT_MAX, "Color", "Default fill color", 0.0f, 1.0f);
2577         RNA_def_property_subtype(prop, PROP_COLOR_GAMMA);
2578         RNA_def_property_float_array_default(prop, default_color);
2579         RNA_def_boolean(ot->srna, "alpha", 1, "Alpha", "Create an image with an alpha channel");
2580         RNA_def_enum(ot->srna, "generated_type", rna_enum_image_generated_type_items, IMA_GENTYPE_BLANK,
2581                      "Generated Type", "Fill the image with a grid for UV map testing");
2582         RNA_def_boolean(ot->srna, "float", 0, "32 bit Float", "Create image with 32 bit floating point bit depth");
2583         prop = RNA_def_enum(ot->srna, "gen_context", gen_context_items, 0, "Gen Context", "Generation context");
2584         RNA_def_property_flag(prop, PROP_HIDDEN);
2585         prop = RNA_def_boolean(ot->srna, "use_stereo_3d", 0, "Stereo 3D", "Create an image with left and right views");
2586         RNA_def_property_flag(prop, PROP_SKIP_SAVE | PROP_HIDDEN);
2587 }
2588
2589 #undef IMA_DEF_NAME
2590
2591 /********************* invert operators *********************/
2592
2593 static int image_invert_poll(bContext *C)
2594 {
2595         Image *ima = CTX_data_edit_image(C);
2596
2597         return BKE_image_has_ibuf(ima, NULL);
2598 }
2599
2600 static int image_invert_exec(bContext *C, wmOperator *op)
2601 {
2602         Image *ima = CTX_data_edit_image(C);
2603         ImBuf *ibuf = BKE_image_acquire_ibuf(ima, NULL, NULL);
2604         SpaceImage *sima = CTX_wm_space_image(C);
2605         /* undo is supported only on image paint mode currently */
2606         bool support_undo = ((sima != NULL) && (sima->mode == SI_MODE_PAINT));
2607
2608         /* flags indicate if this channel should be inverted */
2609         const bool r = RNA_boolean_get(op->ptr, "invert_r");
2610         const bool g = RNA_boolean_get(op->ptr, "invert_g");
2611         const bool b = RNA_boolean_get(op->ptr, "invert_b");
2612         const bool a = RNA_boolean_get(op->ptr, "invert_a");
2613
2614         size_t i;
2615
2616         if (ibuf == NULL)  /* TODO: this should actually never happen, but does for render-results -> cleanup */
2617                 return OPERATOR_CANCELLED;
2618
2619         if (support_undo) {
2620                 ED_undo_paint_push_begin(UNDO_PAINT_IMAGE, op->type->name,
2621                                          ED_image_undo_restore, ED_image_undo_free, NULL);
2622                 /* not strictly needed, because we only imapaint_dirty_region to invalidate all tiles
2623                  * but better do this right in case someone copies this for a tool that uses partial redraw better */
2624                 ED_imapaint_clear_partial_redraw();
2625                 ED_imapaint_dirty_region(ima, ibuf, 0, 0, ibuf->x, ibuf->y, false);
2626         }
2627         /* TODO: make this into an IMB_invert_channels(ibuf,r,g,b,a) method!? */
2628         if (ibuf->rect_float) {
2629                 
2630                 float *fp = (float *) ibuf->rect_float;
2631                 for (i = ((size_t)ibuf->x) * ibuf->y; i > 0; i--, fp += 4) {
2632                         if (r) fp[0] = 1.0f - fp[0];
2633                         if (g) fp[1] = 1.0f - fp[1];
2634                         if (b) fp[2] = 1.0f - fp[2];
2635                         if (a) fp[3] = 1.0f - fp[3];
2636                 }
2637
2638                 if (ibuf->rect) {
2639                         IMB_rect_from_float(ibuf);
2640                 }
2641         }
2642         else if (ibuf->rect) {
2643                 
2644                 char *cp = (char *) ibuf->rect;
2645                 for (i = ((size_t)ibuf->x) * ibuf->y; i > 0; i--, cp += 4) {
2646                         if (r) cp[0] = 255 - cp[0];
2647                         if (g) cp[1] = 255 - cp[1];
2648                         if (b) cp[2] = 255 - cp[2];
2649                         if (a) cp[3] = 255 - cp[3];
2650                 }
2651         }
2652         else {
2653                 BKE_image_release_ibuf(ima, ibuf, NULL);
2654                 return OPERATOR_CANCELLED;
2655         }
2656
2657         ibuf->userflags |= IB_BITMAPDIRTY | IB_DISPLAY_BUFFER_INVALID;
2658
2659         if (ibuf->mipmap[0])
2660                 ibuf->userflags |= IB_MIPMAP_INVALID;
2661
2662         if (support_undo)
2663                 ED_undo_paint_push_end(UNDO_PAINT_IMAGE);
2664
2665         /* force GPU reupload, all image is invalid */
2666         GPU_free_image(ima);
2667
2668         WM_event_add_notifier(C, NC_IMAGE | NA_EDITED, ima);
2669
2670         BKE_image_release_ibuf(ima, ibuf, NULL);
2671
2672         return OPERATOR_FINISHED;
2673 }
2674
2675 void IMAGE_OT_invert(wmOperatorType *ot)
2676 {
2677         PropertyRNA *prop;
2678
2679         /* identifiers */
2680         ot->name = "Invert Channels";
2681         ot->idname = "IMAGE_OT_invert";
2682         ot->description = "Invert image's channels";
2683         
2684         /* api callbacks */
2685         ot->exec = image_invert_exec;
2686         ot->poll = image_invert_poll;
2687         
2688         /* properties */
2689         prop = RNA_def_boolean(ot->srna, "invert_r", 0, "Red", "Invert Red Channel");
2690         RNA_def_property_flag(prop, PROP_SKIP_SAVE);
2691         prop = RNA_def_boolean(ot->srna, "invert_g", 0, "Green", "Invert Green Channel");
2692         RNA_def_property_flag(prop, PROP_SKIP_SAVE);
2693         prop = RNA_def_boolean(ot->srna, "invert_b", 0, "Blue", "Invert Blue Channel");
2694         RNA_def_property_flag(prop, PROP_SKIP_SAVE);
2695         prop = RNA_def_boolean(ot->srna, "invert_a", 0, "Alpha", "Invert Alpha Channel");
2696         RNA_def_property_flag(prop, PROP_SKIP_SAVE);
2697         
2698         /* flags */
2699         ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
2700 }
2701
2702 /********************* pack operator *********************/
2703
2704 static bool image_pack_test(bContext *C, wmOperator *op)
2705 {
2706         Image *ima = CTX_data_edit_image(C);
2707         const bool as_png = RNA_boolean_get(op->ptr, "as_png");
2708
2709         if (!ima)
2710                 return 0;
2711         if (!as_png && BKE_image_has_packedfile(ima))
2712                 return 0;
2713
2714         if (ima->source == IMA_SRC_SEQUENCE || ima->source == IMA_SRC_MOVIE) {
2715                 BKE_report(op->reports, RPT_ERROR, "Packing movies or image sequences not supported");
2716                 return 0;
2717         }
2718
2719         return 1;
2720 }
2721
2722 static int image_pack_exec(bContext *C, wmOperator *op)
2723 {
2724         struct Main *bmain = CTX_data_main(C);
2725         Image *ima = CTX_data_edit_image(C);
2726         ImBuf *ibuf = BKE_image_acquire_ibuf(ima, NULL, NULL);
2727         const bool as_png = RNA_boolean_get(op->ptr, "as_png");
2728
2729         if (!image_pack_test(C, op))
2730                 return OPERATOR_CANCELLED;
2731         
2732         if (!as_png && (ibuf && (ibuf->userflags & IB_BITMAPDIRTY))) {
2733                 BKE_report(op->reports, RPT_ERROR, "Cannot pack edited image from disk, only as internal PNG");
2734                 return OPERATOR_CANCELLED;
2735         }
2736
2737         if (as_png)
2738                 BKE_image_memorypack(ima);
2739         else
2740                 BKE_image_packfiles(op->reports, ima, ID_BLEND_PATH(bmain, &ima->id));
2741
2742         WM_event_add_notifier(C, NC_IMAGE | NA_EDITED, ima);
2743
2744         BKE_image_release_ibuf(ima, ibuf, NULL);
2745
2746         return OPERATOR_FINISHED;
2747 }
2748
2749 static int image_pack_invoke(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
2750 {
2751         Image *ima = CTX_data_edit_image(C);
2752         ImBuf *ibuf;
2753         uiPopupMenu *pup;
2754         uiLayout *layout;
2755         const bool as_png = RNA_boolean_get(op->ptr, "as_png");
2756
2757         if (!image_pack_test(C, op))
2758                 return OPERATOR_CANCELLED;
2759
2760         ibuf = BKE_image_acquire_ibuf(ima, NULL, NULL);
2761
2762         if (!as_png && (ibuf && (ibuf->userflags & IB_BITMAPDIRTY))) {
2763                 pup = UI_popup_menu_begin(C, IFACE_("OK"), ICON_QUESTION);
2764                 layout = UI_popup_menu_layout(pup);
2765                 uiItemBooleanO(layout, IFACE_("Can't pack edited image from disk, pack as internal PNG?"), ICON_NONE,
2766                                op->idname, "as_png", 1);
2767                 UI_popup_menu_end(C, pup);
2768
2769                 BKE_image_release_ibuf(ima, ibuf, NULL);
2770
2771                 return OPERATOR_INTERFACE;
2772         }
2773
2774         BKE_image_release_ibuf(ima, ibuf, NULL);
2775
2776         return image_pack_exec(C, op);
2777 }
2778
2779 void IMAGE_OT_pack(wmOperatorType *ot)
2780 {
2781         /* identifiers */
2782         ot->name = "Pack Image";
2783         ot->description = "Pack an image as embedded data into the .blend file"; 
2784         ot->idname = "IMAGE_OT_pack";
2785         
2786         /* api callbacks */
2787         ot->exec = image_pack_exec;
2788         ot->invoke = image_pack_invoke;
2789
2790         /* flags */
2791         ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
2792
2793         /* properties */
2794         RNA_def_boolean(ot->srna, "as_png", 0, "Pack As PNG", "Pack image as lossless PNG");
2795 }
2796
2797 /********************* unpack operator *********************/
2798
2799 static int image_unpack_exec(bContext *C, wmOperator *op)
2800 {
2801         Image *ima = CTX_data_edit_image(C);
2802         int method = RNA_enum_get(op->ptr, "method");
2803
2804         /* find the suppplied image by name */
2805         if (RNA_struct_property_is_set(op->ptr, "id")) {
2806                 char imaname[MAX_ID_NAME - 2];
2807                 RNA_string_get(op->ptr, "id", imaname);
2808                 ima = BLI_findstring(&CTX_data_main(C)->image, imaname, offsetof(ID, name) + 2);
2809                 if (!ima) ima = CTX_data_edit_image(C);
2810         }
2811         
2812         if (!ima || !BKE_image_has_packedfile(ima))
2813                 return OPERATOR_CANCELLED;
2814
2815         if (ima->source == IMA_SRC_SEQUENCE || ima->source == IMA_SRC_MOVIE) {
2816                 BKE_report(op->reports, RPT_ERROR, "Unpacking movies or image sequences not supported");
2817                 return OPERATOR_CANCELLED;
2818         }
2819
2820         if (G.fileflags & G_AUTOPACK)
2821                 BKE_report(op->reports, RPT_WARNING, "AutoPack is enabled, so image will be packed again on file save");
2822         
2823         /* XXX unpackImage frees image buffers */
2824         ED_preview_kill_jobs(CTX_wm_manager(C), CTX_data_main(C));
2825         
2826         unpackImage(op->reports, ima, method);
2827         
2828         WM_event_add_notifier(C, NC_IMAGE | NA_EDITED, ima);
2829
2830         return OPERATOR_FINISHED;
2831 }
2832
2833 static int image_unpack_invoke(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
2834 {
2835         Image *ima = CTX_data_edit_image(C);
2836
2837         if (RNA_struct_property_is_set(op->ptr, "id"))
2838                 return image_unpack_exec(C, op);
2839                 
2840         if (!ima || !BKE_image_has_packedfile(ima))
2841                 return OPERATOR_CANCELLED;
2842
2843         if (ima->source == IMA_SRC_SEQUENCE || ima->source == IMA_SRC_MOVIE) {
2844                 BKE_report(op->reports, RPT_ERROR, "Unpacking movies or image sequences not supported");
2845                 return OPERATOR_CANCELLED;
2846         }
2847
2848         if (G.fileflags & G_AUTOPACK)
2849                 BKE_report(op->reports, RPT_WARNING, "AutoPack is enabled, so image will be packed again on file save");
2850
2851         unpack_menu(C, "IMAGE_OT_unpack", ima->id.name + 2, ima->name, "textures", BKE_image_has_packedfile(ima) ? ((ImagePackedFile *)ima->packedfiles.first)->packedfile : NULL);
2852
2853         return OPERATOR_FINISHED;
2854 }
2855
2856 void IMAGE_OT_unpack(wmOperatorType *ot)
2857 {
2858         /* identifiers */
2859         ot->name = "Unpack Image";
2860         ot->description = "Save an image packed in the .blend file to disk"; 
2861         ot->idname = "IMAGE_OT_unpack";
2862         
2863         /* api callbacks */
2864         ot->exec = image_unpack_exec;
2865         ot->invoke = image_unpack_invoke;
2866
2867         /* flags */
2868         ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
2869         
2870         /* properties */
2871         RNA_def_enum(ot->srna, "method", rna_enum_unpack_method_items, PF_USE_LOCAL, "Method", "How to unpack");
2872         RNA_def_string(ot->srna, "id", NULL, MAX_ID_NAME - 2, "Image Name", "Image data-block name to unpack"); /* XXX, weark!, will fail with library, name collisions */
2873 }
2874
2875 /******************** sample image operator ********************/
2876
2877 typedef struct ImageSampleInfo {
2878         ARegionType *art;
2879         void *draw_handle;
2880         int x, y;
2881         int channels;
2882
2883         unsigned char col[4];
2884         float colf[4];
2885         float linearcol[4];
2886         int z;
2887         float zf;
2888
2889         unsigned char *colp;
2890         const float *colfp;
2891         int *zp;
2892         float *zfp;
2893
2894         bool draw;
2895         bool color_manage;
2896         int use_default_view;
2897 } ImageSampleInfo;
2898
2899 static void image_sample_draw(const bContext *C, ARegion *ar, void *arg_info)
2900 {
2901         ImageSampleInfo *info = arg_info;
2902         if (info->draw) {
2903                 Scene *scene = CTX_data_scene(C);
2904
2905                 ED_image_draw_info(scene, ar, info->color_manage, info->use_default_view, info->channels,
2906                                    info->x, info->y, info->colp, info->colfp, info->linearcol, info->zp, info->zfp);
2907         }
2908 }
2909
2910 /* Returns color in linear space, matching ED_space_node_color_sample(). */
2911 bool ED_space_image_color_sample(SpaceImage *sima, ARegion *ar, int mval[2], float r_col[3])
2912 {
2913         void *lock;
2914         ImBuf *ibuf = ED_space_image_acquire_buffer(sima, &lock);
2915         float fx, fy;
2916         bool ret = false;
2917
2918         if (ibuf == NULL) {
2919                 ED_space_image_release_buffer(sima, ibuf, lock);
2920                 return false;
2921         }
2922
2923         UI_view2d_region_to_view(&ar->v2d, mval[0], mval[1], &fx, &fy);
2924
2925         if (fx >= 0.0f && fy >= 0.0f && fx < 1.0f && fy < 1.0f) {
2926                 const float *fp;
2927                 unsigned char *cp;
2928                 int x = (int)(fx * ibuf->x), y = (int)(fy * ibuf->y);
2929
2930                 CLAMP(x, 0, ibuf->x - 1);
2931                 CLAMP(y, 0, ibuf->y - 1);
2932
2933                 if (ibuf->rect_float) {
2934                         fp = (ibuf->rect_float + (ibuf->channels) * (y * ibuf->x + x));
2935                         copy_v3_v3(r_col, fp);
2936                         ret = true;
2937                 }
2938                 else if (ibuf->rect) {
2939                         cp = (unsigned char *)(ibuf->rect + y * ibuf->x + x);
2940                         rgb_uchar_to_float(r_col, cp);
2941                         IMB_colormanagement_colorspace_to_scene_linear_v3(r_col, ibuf->rect_colorspace);
2942                         ret = true;
2943                 }
2944         }
2945
2946         ED_space_image_release_buffer(sima, ibuf, lock);
2947         return ret;
2948 }
2949
2950 static void image_sample_apply(bContext *C, wmOperator *op, const wmEvent *event)
2951 {
2952         SpaceImage *sima = CTX_wm_space_image(C);
2953         ARegion *ar = CTX_wm_region(C);
2954         void *lock;
2955         ImBuf *ibuf = ED_space_image_acquire_buffer(sima, &lock);
2956         ImageSampleInfo *info = op->customdata;
2957         float fx, fy;
2958         Scene *scene = CTX_data_scene(C);
2959         CurveMapping *curve_mapping = scene->view_settings.curve_mapping;
2960
2961         if (ibuf == NULL) {
2962                 ED_space_image_release_buffer(sima, ibuf, lock);
2963                 info->draw = false;
2964                 return;
2965         }
2966
2967         UI_view2d_region_to_view(&ar->v2d, event->mval[0], event->mval[1], &fx, &fy);
2968
2969         if (fx >= 0.0f && fy >= 0.0f && fx < 1.0f && fy < 1.0f) {
2970                 const float *fp;
2971                 unsigned char *cp;
2972                 int x = (int)(fx * ibuf->x), y = (int)(fy * ibuf->y);
2973                 Image *image = ED_space_image(sima);
2974
2975                 CLAMP(x, 0, ibuf->x - 1);
2976                 CLAMP(y, 0, ibuf->y - 1);
2977
2978                 info->x = x;
2979                 info->y = y;
2980                 info->draw = true;
2981                 info->channels = ibuf->channels;
2982
2983                 info->colp = NULL;
2984                 info->colfp = NULL;
2985                 info->zp = NULL;
2986                 info->zfp = NULL;
2987
2988                 info->use_default_view = (image->flag & IMA_VIEW_AS_RENDER) ? false : true;
2989
2990                 if (ibuf->rect) {
2991                         cp = (unsigned char *)(ibuf->rect + y * ibuf->x + x);
2992
2993                         info->col[0] = cp[0];
2994                         info->col[1] = cp[1];
2995                         info->col[2] = cp[2];
2996                         info->col[3] = cp[3];
2997                         info->colp = info->col;
2998
2999                         info->colf[0] = (float)cp[0] / 255.0f;
3000                         info->colf[1] = (float)cp[1] / 255.0f;
3001                         info->colf[2] = (float)cp[2] / 255.0f;
3002                         info->colf[3] = (float)cp[3] / 255.0f;
3003                         info->colfp = info->colf;
3004
3005                         copy_v4_v4(info->linearcol, info->colf);
3006                         IMB_colormanagement_colorspace_to_scene_linear_v4(info->linearcol, false, ibuf->rect_colorspace);
3007
3008                         info->color_manage = true;
3009                 }
3010                 if (ibuf->rect_float) {
3011                         fp = (ibuf->rect_float + (ibuf->channels) * (y * ibuf->x + x));
3012
3013                         if (ibuf->channels == 4) {
3014                                 info->colf[0] = fp[0];
3015                                 info->colf[1] = fp[1];
3016                                 info->colf[2] = fp[2];
3017                                 info->colf[3] = fp[3];
3018                         }
3019                         else if (ibuf->channels == 3) {
3020                                 info->colf[0] = fp[0];
3021                                 info->colf[1] = fp[1];
3022                                 info->colf[2] = fp[2];
3023                                 info->colf[3] = 1.0f;
3024                         }
3025                         else {
3026                                 info->colf[0] = fp[0];
3027                                 info->colf[1] = fp[0];
3028                                 info->colf[2] = fp[0];
3029                                 info->colf[3] = 1.0f;
3030                         }
3031                         info->colfp = info->colf;
3032
3033                         copy_v4_v4(info->linearcol, info->colf);
3034
3035                         info->color_manage = true;
3036                 }
3037
3038                 if (ibuf->zbuf) {
3039                         info->z = ibuf->zbuf[y * ibuf->x + x];
3040                         info->zp = &info->z;
3041                         if (ibuf->zbuf == (int *)ibuf->rect) {
3042                                 info->colp = NULL;
3043                         }
3044                 }
3045                 if (ibuf->zbuf_float) {
3046                         info->zf = ibuf->zbuf_float[y * ibuf->x + x];
3047                         info->zfp = &info->zf;
3048                         if (ibuf->zbuf_float == ibuf->rect_float) {
3049                                 info->colfp = NULL;
3050                         }
3051                 }
3052
3053                 if (curve_mapping && ibuf->channels == 4) {
3054                         /* we reuse this callback for set curves point operators */
3055                         if (RNA_struct_find_property(op->ptr, "point")) {
3056                                 int point = RNA_enum_get(op->ptr, "point");
3057
3058                                 if (point == 1) {
3059                                         curvemapping_set_black_white(curve_mapping, NULL, info->linearcol);
3060                                 }
3061                                 else if (point == 0) {
3062                                         curvemapping_set_black_white(curve_mapping, info->linearcol, NULL);
3063                                 }
3064                                 WM_event_add_notifier(C, NC_WINDOW, NULL);
3065                         }
3066                 }
3067
3068                 // XXX node curve integration ..
3069 #if 0
3070                 {
3071                         ScrArea *sa, *cur = curarea;
3072                         
3073                         node_curvemap_sample(fp);   /* sends global to node editor */
3074                         for (sa = G.curscreen->areabase.first; sa; sa = sa->next) {
3075                                 if (sa->spacetype == SPACE_NODE) {
3076                                         areawinset(sa->win);
3077                                         scrarea_do_windraw(sa);
3078                                 }
3079                         }
3080                         node_curvemap_sample(NULL);     /* clears global in node editor */
3081                         curarea = cur;
3082                 }
3083 #endif
3084         }
3085         else {
3086                 info->draw = 0;
3087         }
3088
3089         ED_space_image_release_buffer(sima, ibuf, lock);
3090         ED_area_tag_redraw(CTX_wm_area(C));
3091 }
3092
3093 static void image_sample_exit(bContext *C, wmOperator *op)
3094 {
3095         ImageSampleInfo *info = op->customdata;
3096
3097         ED_region_draw_cb_exit(info->art, info->draw_handle);
3098         ED_area_tag_redraw(CTX_wm_area(C));
3099         MEM_freeN(info);
3100 }
3101
3102 static int image_sample_invoke(bContext *C, wmOperator *op, const wmEvent *event)
3103 {
3104         SpaceImage *sima = CTX_wm_space_image(C);
3105         ARegion *ar = CTX_wm_region(C);
3106         ImageSampleInfo *info;
3107
3108         if (ar->regiontype == RGN_TYPE_WINDOW) {
3109                 if (event->mval[1] <= 16 && ED_space_image_show_cache(sima)) {
3110                         return OPERATOR_PASS_THROUGH;
3111                 }
3112         }
3113
3114         if (!ED_space_image_has_buffer(sima))
3115                 return OPERATOR_CANCELLED;
3116         
3117         info = MEM_callocN(sizeof(ImageSampleInfo), "ImageSampleInfo");
3118         info->art = ar->type;
3119         info->draw_handle = ED_region_draw_cb_activate(ar->type, image_sample_draw, info, REGION_DRAW_POST_PIXEL);
3120         op->customdata = info;
3121
3122         image_sample_apply(C, op, event);
3123
3124         WM_event_add_modal_handler(C, op);
3125
3126         return OPERATOR_RUNNING_MODAL;
3127 }
3128
3129 static int image_sample_modal(bContext *C, wmOperator *op, const wmEvent *event)
3130 {
3131         switch (event->type) {
3132                 case LEFTMOUSE:
3133                 case RIGHTMOUSE: // XXX hardcoded
3134                         if (event->val == KM_RELEASE) {
3135                                 image_sample_exit(C, op);
3136                                 return OPERATOR_CANCELLED;
3137                         }
3138                         break;
3139                 case MOUSEMOVE:
3140                         image_sample_apply(C, op, event);
3141                         break;
3142         }
3143
3144         return OPERATOR_RUNNING_MODAL;
3145 }
3146
3147 static void image_sample_cancel(bContext *C, wmOperator *op)
3148 {
3149         image_sample_exit(C, op);
3150 }
3151
3152 void IMAGE_OT_sample(wmOperatorType *ot)
3153 {
3154         /* identifiers */
3155         ot->name = "Sample Color";
3156         ot->idname = "IMAGE_OT_sample";
3157         ot->description = "Use mouse to sample a color in current image";
3158         
3159         /* api callbacks */
3160         ot->invoke = image_sample_invoke;
3161         ot->modal = image_sample_modal;
3162         ot->cancel = image_sample_cancel;
3163         ot->poll = image_sample_poll;
3164
3165         /* flags */
3166         ot->flag = OPTYPE_BLOCKING;
3167 }
3168
3169 /******************** sample line operator ********************/
3170 static int image_sample_line_exec(bContext *C, wmOperator *op)
3171 {
3172         SpaceImage *sima = CTX_wm_space_image(C);
3173         ARegion *ar = CTX_wm_region(C);
3174         Scene *scene = CTX_data_scene(C);
3175
3176         int x_start = RNA_int_get(op->ptr, "xstart");
3177         int y_start = RNA_int_get(op->ptr, "ystart");
3178         int x_end = RNA_int_get(op->ptr, "xend");
3179         int y_end = RNA_int_get(op->ptr, "yend");
3180         
3181         void *lock;
3182         ImBuf *ibuf = ED_space_image_acquire_buffer(sima, &lock);
3183         Histogram *hist = &sima->sample_line_hist;
3184         
3185         float x1f, y1f, x2f, y2f;
3186         
3187         if (ibuf == NULL) {
3188                 ED_space_image_release_buffer(sima, ibuf, lock);
3189                 return OPERATOR_CANCELLED;
3190         }
3191         /* hmmmm */
3192         if (ibuf->channels < 3) {
3193                 ED_space_image_release_buffer(sima, ibuf, lock);
3194                 return OPERATOR_CANCELLED;
3195         }
3196         
3197         UI_view2d_region_to_view(&ar->v2d, x_start, y_start, &x1f, &y1f);
3198         UI_view2d_region_to_view(&ar->v2d, x_end, y_end, &x2f, &y2f);
3199
3200         hist->co[0][0] = x1f;
3201         hist->co[0][1] = y1f;
3202         hist->co[1][0] = x2f;
3203         hist->co[1][1] = y2f;
3204
3205         /* enable line drawing */
3206         hist->flag |= HISTO_FLAG_SAMPLELINE;
3207
3208         BKE_histogram_update_sample_line(hist, ibuf, &scene->view_settings, &scene->display_settings);
3209         
3210         /* reset y zoom */
3211         hist->ymax = 1.0f;
3212
3213         ED_space_image_release_buffer(sima, ibuf, lock);
3214         
3215         ED_area_tag_redraw(CTX_wm_area(C));
3216         
3217         return OPERATOR_FINISHED;
3218 }
3219
3220 static int image_sample_line_invoke(bContext *C, wmOperator *op, const wmEvent *event)
3221 {
3222         SpaceImage *sima = CTX_wm_space_image(C);
3223
3224         Histogram *hist = &sima->sample_line_hist;
3225         hist->flag &= ~HISTO_FLAG_SAMPLELINE;
3226
3227         if (!ED_space_image_has_buffer(sima))
3228                 return OPERATOR_CANCELLED;
3229         
3230         return WM_gesture_straightline_invoke(C, op, event);
3231 }
3232
3233 void IMAGE_OT_sample_line(wmOperatorType *ot)
3234 {
3235         /* identifiers */
3236         ot->name = "Sample Line";
3237         ot->idname = "IMAGE_OT_sample_line";
3238         ot->description = "Sample a line and show it in Scope panels";
3239         
3240         /* api callbacks */
3241         ot->invoke = image_sample_line_invoke;
3242         ot->modal = WM_gesture_straightline_modal;
3243         ot->exec = image_sample_line_exec;
3244         ot->poll = space_image_main_region_poll;
3245         ot->cancel = WM_gesture_straightline_cancel;
3246         
3247         /* flags */
3248         ot->flag = 0; /* no undo/register since this operates on the space */
3249         
3250         WM_operator_properties_gesture_straightline(ot, CURSOR_EDIT);
3251 }
3252
3253 /******************** set curve point operator ********************/
3254
3255 void IMAGE_OT_curves_point_set(wmOperatorType *ot)
3256 {
3257         static EnumPropertyItem point_items[] = {