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