D2607: Switch eye dropper to use linear color space internally
[blender.git] / source / blender / editors / space_image / image_ops.c
1 /*
2  * ***** BEGIN GPL LICENSE BLOCK *****
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License
6  * as published by the Free Software Foundation; either version 2
7  * of the License, or (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software Foundation,
16  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17  *
18  * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
19  * All rights reserved.
20  *
21  * Contributor(s): Blender Foundation, 2002-2009, Xavier Thomas
22  *
23  * ***** END GPL LICENSE BLOCK *****
24  */
25
26 /** \file blender/editors/space_image/image_ops.c
27  *  \ingroup spimage
28  */
29
30
31 #include <stddef.h>
32 #include <string.h>
33 #include <fcntl.h>
34 #include <stdlib.h>
35 #include <errno.h>
36 #ifndef WIN32
37 #  include <unistd.h>
38 #else
39 #  include <io.h>
40 #endif
41
42 #include "MEM_guardedalloc.h"
43
44 #include "BLI_math.h"
45 #include "BLI_blenlib.h"
46 #include "BLI_utildefines.h"
47 #include "BLI_string_utf8.h"
48
49 #include "BLT_translation.h"
50
51 #include "DNA_object_types.h"
52 #include "DNA_node_types.h"
53 #include "DNA_packedFile_types.h"
54 #include "DNA_scene_types.h"
55 #include "DNA_screen_types.h"
56
57 #include "BKE_colortools.h"
58 #include "BKE_context.h"
59 #include "BKE_depsgraph.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 "GPU_draw.h"
74 #include "GPU_buffers.h"
75
76 #include "IMB_colormanagement.h"
77 #include "IMB_imbuf.h"
78 #include "IMB_imbuf_types.h"
79 #include "IMB_moviecache.h"
80 #include "intern/openexr/openexr_multi.h"
81
82 #include "RE_pipeline.h"
83
84 #include "RNA_access.h"
85 #include "RNA_define.h"
86 #include "RNA_enum_types.h"
87
88 #include "ED_image.h"
89 #include "ED_mask.h"
90 #include "ED_paint.h"
91 #include "ED_render.h"
92 #include "ED_screen.h"
93 #include "ED_space_api.h"
94 #include "ED_uvedit.h"
95 #include "ED_util.h"
96
97 #include "UI_interface.h"
98 #include "UI_resources.h"
99 #include "UI_view2d.h"
100
101 #include "WM_api.h"
102 #include "WM_types.h"
103
104 #include "PIL_time.h"
105
106 #include "RE_engine.h"
107
108 #include "image_intern.h"
109
110 /******************** view navigation utilities *********************/
111
112 static void sima_zoom_set(SpaceImage *sima, ARegion *ar, float zoom, const float location[2])
113 {
114         float oldzoom = sima->zoom;
115         int width, height;
116
117         sima->zoom = zoom;
118
119         if (sima->zoom < 0.1f || sima->zoom > 4.0f) {
120                 /* check zoom limits */
121                 ED_space_image_get_size(sima, &width, &height);
122
123                 width *= sima->zoom;
124                 height *= sima->zoom;
125
126                 if ((width < 4) && (height < 4) && sima->zoom < oldzoom)
127                         sima->zoom = oldzoom;
128                 else if (BLI_rcti_size_x(&ar->winrct) <= sima->zoom)
129                         sima->zoom = oldzoom;
130                 else if (BLI_rcti_size_y(&ar->winrct) <= sima->zoom)
131                         sima->zoom = oldzoom;
132         }
133
134         if ((U.uiflag & USER_ZOOM_TO_MOUSEPOS) && location) {
135                 float aspx, aspy, w, h;
136
137                 ED_space_image_get_size(sima, &width, &height);
138                 ED_space_image_get_aspect(sima, &aspx, &aspy);
139
140                 w = width * aspx;
141                 h = height * aspy;
142
143                 sima->xof += ((location[0] - 0.5f) * w - sima->xof) * (sima->zoom - oldzoom) / sima->zoom;
144                 sima->yof += ((location[1] - 0.5f) * h - sima->yof) * (sima->zoom - oldzoom) / sima->zoom;
145         }
146 }
147
148 static void sima_zoom_set_factor(SpaceImage *sima, ARegion *ar, float zoomfac, const float location[2])
149 {
150         sima_zoom_set(sima, ar, sima->zoom * zoomfac, location);
151 }
152
153 /**
154  * Fits the view to the bounds exactly, caller should add margin if needed.
155  */
156 static void sima_zoom_set_from_bounds(SpaceImage *sima, ARegion *ar, const rctf *bounds)
157 {
158         int image_size[2];
159         float aspx, aspy;
160
161         ED_space_image_get_size(sima, &image_size[0], &image_size[1]);
162         ED_space_image_get_aspect(sima, &aspx, &aspy);
163
164         image_size[0] = image_size[0] * aspx;
165         image_size[1] = image_size[1] * aspy;
166
167         /* adjust offset and zoom */
168         sima->xof = roundf((BLI_rctf_cent_x(bounds) - 0.5f) * image_size[0]);
169         sima->yof = roundf((BLI_rctf_cent_y(bounds) - 0.5f) * image_size[1]);
170
171         float size_xy[2], size;
172         size_xy[0] = BLI_rcti_size_x(&ar->winrct) / (BLI_rctf_size_x(bounds) * image_size[0]);
173         size_xy[1] = BLI_rcti_size_y(&ar->winrct) / (BLI_rctf_size_y(bounds) * image_size[1]);
174
175         size = min_ff(size_xy[0], size_xy[1]);
176         CLAMP_MAX(size, 100.0f);
177
178         sima_zoom_set(sima, ar, size, NULL);
179 }
180
181 #if 0 // currently unused
182 static int image_poll(bContext *C)
183 {
184         return (CTX_data_edit_image(C) != NULL);
185 }
186 #endif
187
188 static int space_image_buffer_exists_poll(bContext *C)
189 {
190         SpaceImage *sima = CTX_wm_space_image(C);
191         if (sima && ED_space_image_has_buffer(sima)) {
192                 return true;
193         }
194         return false;
195 }
196
197 static int image_not_packed_poll(bContext *C)
198 {
199         SpaceImage *sima = CTX_wm_space_image(C);
200
201         /* Do not run 'replace' on packed images, it does not give user expected results at all. */
202         if (sima && sima->image && BLI_listbase_is_empty(&sima->image->packedfiles)) {
203                 return true;
204         }
205         return false;
206 }
207
208 static bool imbuf_format_writeable(const ImBuf *ibuf)
209 {
210         ImageFormatData im_format;
211         ImbFormatOptions options_dummy;
212         BKE_imbuf_to_image_format(&im_format, ibuf);
213         return (BKE_image_imtype_to_ftype(im_format.imtype, &options_dummy) == ibuf->ftype);
214 }
215
216 static int space_image_file_exists_poll(bContext *C)
217 {
218         if (space_image_buffer_exists_poll(C)) {
219                 Main *bmain = CTX_data_main(C);
220                 SpaceImage *sima = CTX_wm_space_image(C);
221                 ImBuf *ibuf;
222                 void *lock;
223                 bool ret = false;
224                 char name[FILE_MAX];
225
226                 ibuf = ED_space_image_acquire_buffer(sima, &lock);
227                 if (ibuf) {
228                         BLI_strncpy(name, ibuf->name, FILE_MAX);
229                         BLI_path_abs(name, bmain->name);
230
231                         if (BLI_exists(name) == false) {
232                                 CTX_wm_operator_poll_msg_set(C, "image file not found");
233                         }
234                         else if (!BLI_file_is_writable(name)) {
235                                 CTX_wm_operator_poll_msg_set(C, "image path can't be written to");
236                         }
237                         else if (!imbuf_format_writeable(ibuf)) {
238                                 CTX_wm_operator_poll_msg_set(C, "image format is read-only");
239                         }
240                         else {
241                                 ret = true;
242                         }
243                 }
244                 ED_space_image_release_buffer(sima, ibuf, lock);
245
246                 return ret;
247         }
248         return false;
249 }
250
251 #if 0  /* UNUSED */
252 static int space_image_poll(bContext *C)
253 {
254         SpaceImage *sima = CTX_wm_space_image(C);
255         if (sima && sima->image) {
256                 return true;
257         }
258         return false;
259 }
260 #endif
261
262 int space_image_main_region_poll(bContext *C)
263 {
264         SpaceImage *sima = CTX_wm_space_image(C);
265         /* XXX ARegion *ar = CTX_wm_region(C); */
266
267         if (sima) {
268                 return true;  /* XXX (ar && ar->type->regionid == RGN_TYPE_WINDOW); */
269         }
270         return false;
271 }
272
273 /* For IMAGE_OT_curves_point_set to avoid sampling when in uv smooth mode or editmode */
274 static int space_image_main_area_not_uv_brush_poll(bContext *C)
275 {
276         SpaceImage *sima = CTX_wm_space_image(C);
277         Scene *scene = CTX_data_scene(C);
278         ToolSettings *toolsettings = scene->toolsettings;
279
280         if (sima && !toolsettings->uvsculpt && !scene->obedit)
281                 return 1;
282
283         return 0;
284 }
285
286 static int image_sample_poll(bContext *C)
287 {
288         SpaceImage *sima = CTX_wm_space_image(C);
289         if (sima) {
290                 Scene *scene = CTX_data_scene(C);
291                 Object *obedit = CTX_data_edit_object(C);
292                 ToolSettings *toolsettings = scene->toolsettings;
293
294                 if (obedit) {
295                         if (ED_space_image_show_uvedit(sima, obedit) && (toolsettings->use_uv_sculpt))
296                                 return false;
297                 }
298                 else if (sima->mode != SI_MODE_VIEW) {
299                         return false;
300                 }
301
302                 return space_image_main_region_poll(C);
303         }
304         else {
305                 return false;
306         }
307 }
308 /********************** view pan operator *********************/
309
310 typedef struct ViewPanData {
311         float x, y;
312         float xof, yof;
313         int event_type;
314 } ViewPanData;
315
316 static void image_view_pan_init(bContext *C, wmOperator *op, const wmEvent *event)
317 {
318         SpaceImage *sima = CTX_wm_space_image(C);
319         ViewPanData *vpd;
320
321         op->customdata = vpd = MEM_callocN(sizeof(ViewPanData), "ImageViewPanData");
322         WM_cursor_modal_set(CTX_wm_window(C), BC_NSEW_SCROLLCURSOR);
323
324         vpd->x = event->x;
325         vpd->y = event->y;
326         vpd->xof = sima->xof;
327         vpd->yof = sima->yof;
328         vpd->event_type = event->type;
329
330         WM_event_add_modal_handler(C, op);
331 }
332
333 static void image_view_pan_exit(bContext *C, wmOperator *op, bool cancel)
334 {
335         SpaceImage *sima = CTX_wm_space_image(C);
336         ViewPanData *vpd = op->customdata;
337
338         if (cancel) {
339                 sima->xof = vpd->xof;
340                 sima->yof = vpd->yof;
341                 ED_region_tag_redraw(CTX_wm_region(C));
342         }
343
344         WM_cursor_modal_restore(CTX_wm_window(C));
345         MEM_freeN(op->customdata);
346 }
347
348 static int image_view_pan_exec(bContext *C, wmOperator *op)
349 {
350         SpaceImage *sima = CTX_wm_space_image(C);
351         float offset[2];
352
353         RNA_float_get_array(op->ptr, "offset", offset);
354         sima->xof += offset[0];
355         sima->yof += offset[1];
356
357         ED_region_tag_redraw(CTX_wm_region(C));
358
359         /* XXX notifier? */
360 #if 0
361         if (image_preview_active(curarea, NULL, NULL)) {
362                 /* recalculates new preview rect */
363                 scrarea_do_windraw(curarea);
364                 image_preview_event(2);
365         }
366 #endif
367         
368         return OPERATOR_FINISHED;
369 }
370
371 static int image_view_pan_invoke(bContext *C, wmOperator *op, const wmEvent *event)
372 {
373         if (event->type == MOUSEPAN) {
374                 SpaceImage *sima = CTX_wm_space_image(C);
375                 float offset[2];
376                 
377                 offset[0] = (event->prevx - event->x) / sima->zoom;
378                 offset[1] = (event->prevy - event->y) / sima->zoom;
379                 RNA_float_set_array(op->ptr, "offset", offset);
380
381                 image_view_pan_exec(C, op);
382                 return OPERATOR_FINISHED;
383         }
384         else {
385                 image_view_pan_init(C, op, event);
386                 return OPERATOR_RUNNING_MODAL;
387         }
388 }
389
390 static int image_view_pan_modal(bContext *C, wmOperator *op, const wmEvent *event)
391 {
392         SpaceImage *sima = CTX_wm_space_image(C);
393         ViewPanData *vpd = op->customdata;
394         float offset[2];
395
396         switch (event->type) {
397                 case MOUSEMOVE:
398                         sima->xof = vpd->xof;
399                         sima->yof = vpd->yof;
400                         offset[0] = (vpd->x - event->x) / sima->zoom;
401                         offset[1] = (vpd->y - event->y) / sima->zoom;
402                         RNA_float_set_array(op->ptr, "offset", offset);
403                         image_view_pan_exec(C, op);
404                         break;
405                 default:
406                         if (event->type == vpd->event_type && event->val == KM_RELEASE) {
407                                 image_view_pan_exit(C, op, false);
408                                 return OPERATOR_FINISHED;
409                         }
410                         break;
411         }
412
413         return OPERATOR_RUNNING_MODAL;
414 }
415
416 static void image_view_pan_cancel(bContext *C, wmOperator *op)
417 {
418         image_view_pan_exit(C, op, true);
419 }
420
421 void IMAGE_OT_view_pan(wmOperatorType *ot)
422 {
423         /* identifiers */
424         ot->name = "View Pan";
425         ot->idname = "IMAGE_OT_view_pan";
426         ot->description = "Pan the view";
427         
428         /* api callbacks */
429         ot->exec = image_view_pan_exec;
430         ot->invoke = image_view_pan_invoke;
431         ot->modal = image_view_pan_modal;
432         ot->cancel = image_view_pan_cancel;
433         ot->poll = space_image_main_region_poll;
434
435         /* flags */
436         ot->flag = OPTYPE_BLOCKING | OPTYPE_GRAB_CURSOR | OPTYPE_LOCK_BYPASS;
437         
438         /* properties */
439         RNA_def_float_vector(ot->srna, "offset", 2, NULL, -FLT_MAX, FLT_MAX,
440                              "Offset", "Offset in floating point units, 1.0 is the width and height of the image", -FLT_MAX, FLT_MAX);
441 }
442
443 /********************** view zoom operator *********************/
444
445 typedef struct ViewZoomData {
446         float origx, origy;
447         float zoom;
448         int event_type;
449         float location[2];
450
451         /* needed for continuous zoom */
452         wmTimer *timer;
453         double timer_lastdraw;
454
455         /* */
456         SpaceImage *sima;
457         ARegion *ar;
458 } ViewZoomData;
459
460 static void image_view_zoom_init(bContext *C, wmOperator *op, const wmEvent *event)
461 {
462         SpaceImage *sima = CTX_wm_space_image(C);
463         ARegion *ar = CTX_wm_region(C);
464         ViewZoomData *vpd;
465
466         op->customdata = vpd = MEM_callocN(sizeof(ViewZoomData), "ImageViewZoomData");
467         WM_cursor_modal_set(CTX_wm_window(C), BC_NSEW_SCROLLCURSOR);
468
469         vpd->origx = event->x;
470         vpd->origy = event->y;
471         vpd->zoom = sima->zoom;
472         vpd->event_type = event->type;
473
474         UI_view2d_region_to_view(&ar->v2d, event->mval[0], event->mval[1], &vpd->location[0], &vpd->location[1]);
475
476         if (U.viewzoom == USER_ZOOM_CONT) {
477                 /* needs a timer to continue redrawing */
478                 vpd->timer = WM_event_add_timer(CTX_wm_manager(C), CTX_wm_window(C), TIMER, 0.01f);
479                 vpd->timer_lastdraw = PIL_check_seconds_timer();
480         }
481
482         vpd->sima = sima;
483         vpd->ar = ar;
484
485         WM_event_add_modal_handler(C, op);
486 }
487
488 static void image_view_zoom_exit(bContext *C, wmOperator *op, bool cancel)
489 {
490         SpaceImage *sima = CTX_wm_space_image(C);
491         ViewZoomData *vpd = op->customdata;
492
493         if (cancel) {
494                 sima->zoom = vpd->zoom;
495                 ED_region_tag_redraw(CTX_wm_region(C));
496         }
497
498         if (vpd->timer)
499                 WM_event_remove_timer(CTX_wm_manager(C), vpd->timer->win, vpd->timer);
500
501         WM_cursor_modal_restore(CTX_wm_window(C));
502         MEM_freeN(op->customdata);
503 }
504
505 static int image_view_zoom_exec(bContext *C, wmOperator *op)
506 {
507         SpaceImage *sima = CTX_wm_space_image(C);
508         ARegion *ar = CTX_wm_region(C);
509
510         sima_zoom_set_factor(sima, ar, RNA_float_get(op->ptr, "factor"), NULL);
511
512         ED_region_tag_redraw(ar);
513
514         /* XXX notifier? */
515 #if 0
516         if (image_preview_active(curarea, NULL, NULL)) {
517                 /* recalculates new preview rect */
518                 scrarea_do_windraw(curarea);
519                 image_preview_event(2);
520         }
521 #endif
522         
523         return OPERATOR_FINISHED;
524 }
525
526 enum {
527         VIEW_PASS = 0,
528         VIEW_APPLY,
529         VIEW_CONFIRM
530 };
531
532 static int image_view_zoom_invoke(bContext *C, wmOperator *op, const wmEvent *event)
533 {
534         if (event->type == MOUSEZOOM || event->type == MOUSEPAN) {
535                 SpaceImage *sima = CTX_wm_space_image(C);
536                 ARegion *ar = CTX_wm_region(C);
537                 float delta, factor, location[2];
538
539                 UI_view2d_region_to_view(&ar->v2d, event->mval[0], event->mval[1], &location[0], &location[1]);
540
541                 delta = event->prevx - event->x + event->prevy - event->y;
542
543                 if (U.uiflag & USER_ZOOM_INVERT)
544                         delta *= -1;
545
546                 factor = 1.0f + delta / 300.0f;
547                 RNA_float_set(op->ptr, "factor", factor);
548                 sima_zoom_set(sima, ar, sima->zoom * factor, location);
549                 ED_region_tag_redraw(ar);
550                 
551                 return OPERATOR_FINISHED;
552         }
553         else {
554                 image_view_zoom_init(C, op, event);
555                 return OPERATOR_RUNNING_MODAL;
556         }
557 }
558
559 static void image_zoom_apply(ViewZoomData *vpd, wmOperator *op, const int x, const int y, const short viewzoom, const short zoom_invert)
560 {
561         float factor;
562
563         if (viewzoom == USER_ZOOM_CONT) {
564                 double time = PIL_check_seconds_timer();
565                 float time_step = (float)(time - vpd->timer_lastdraw);
566                 float fac;
567                 float zfac;
568
569                 if (U.uiflag & USER_ZOOM_HORIZ) {
570                         fac = (float)(x - vpd->origx);
571                 }
572                 else {
573                         fac = (float)(y - vpd->origy);
574                 }
575
576                 if (zoom_invert) {
577                         fac = -fac;
578                 }
579
580                 /* oldstyle zoom */
581                 zfac = 1.0f + ((fac / 20.0f) * time_step);
582                 vpd->timer_lastdraw = time;
583                 /* this is the final zoom, but instead make it into a factor */
584                 //zoom = vpd->sima->zoom * zfac;
585                 factor = (vpd->sima->zoom * zfac) / vpd->zoom;
586         }
587         else {
588                 /* for now do the same things for scale and dolly */
589                 float delta = x - vpd->origx + y - vpd->origy;
590
591                 if (zoom_invert)
592                         delta *= -1.0f;
593
594                 factor = 1.0f + delta / 300.0f;
595         }
596
597         RNA_float_set(op->ptr, "factor", factor);
598         sima_zoom_set(vpd->sima, vpd->ar, vpd->zoom * factor, vpd->location);
599         ED_region_tag_redraw(vpd->ar);
600 }
601
602 static int image_view_zoom_modal(bContext *C, wmOperator *op, const wmEvent *event)
603 {
604         ViewZoomData *vpd = op->customdata;
605         short event_code = VIEW_PASS;
606
607         /* execute the events */
608         if (event->type == TIMER && event->customdata == vpd->timer) {
609                 /* continuous zoom */
610                 event_code = VIEW_APPLY;
611         }
612         else if (event->type == MOUSEMOVE) {
613                 event_code = VIEW_APPLY;
614         }
615         else if (event->type == vpd->event_type && event->val == KM_RELEASE) {
616                 event_code = VIEW_CONFIRM;
617         }
618
619         if (event_code == VIEW_APPLY) {
620                 image_zoom_apply(vpd, op, event->x, event->y, U.viewzoom, (U.uiflag & USER_ZOOM_INVERT) != 0);
621         }
622         else if (event_code == VIEW_CONFIRM) {
623                 image_view_zoom_exit(C, op, false);
624                 return OPERATOR_FINISHED;
625         }
626
627         return OPERATOR_RUNNING_MODAL;
628 }
629
630 static void image_view_zoom_cancel(bContext *C, wmOperator *op)
631 {
632         image_view_zoom_exit(C, op, true);
633 }
634
635 void IMAGE_OT_view_zoom(wmOperatorType *ot)
636 {
637         PropertyRNA *prop;
638
639         /* identifiers */
640         ot->name = "View Zoom";
641         ot->idname = "IMAGE_OT_view_zoom";
642         ot->description = "Zoom in/out the image";
643         
644         /* api callbacks */
645         ot->exec = image_view_zoom_exec;
646         ot->invoke = image_view_zoom_invoke;
647         ot->modal = image_view_zoom_modal;
648         ot->cancel = image_view_zoom_cancel;
649         ot->poll = space_image_main_region_poll;
650
651         /* flags */
652         ot->flag = OPTYPE_BLOCKING | OPTYPE_GRAB_CURSOR | OPTYPE_LOCK_BYPASS;
653         
654         /* properties */
655         prop = RNA_def_float(ot->srna, "factor", 0.0f, -FLT_MAX, FLT_MAX, "Factor",
656                              "Zoom factor, values higher than 1.0 zoom in, lower values zoom out", -FLT_MAX, FLT_MAX);
657         RNA_def_property_flag(prop, PROP_HIDDEN);
658 }
659
660 #ifdef WITH_INPUT_NDOF
661 /********************** NDOF operator *********************/
662
663 /* Combined pan/zoom from a 3D mouse device.
664  * Z zooms, XY pans
665  * "view" (not "paper") control -- user moves the viewpoint, not the image being viewed
666  * that explains the negative signs in the code below
667  */
668
669 static int image_view_ndof_invoke(bContext *C, wmOperator *UNUSED(op), const wmEvent *event)
670 {
671         if (event->type != NDOF_MOTION)
672                 return OPERATOR_CANCELLED;
673         else {
674                 SpaceImage *sima = CTX_wm_space_image(C);
675                 ARegion *ar = CTX_wm_region(C);
676                 float pan_vec[3];
677
678                 const wmNDOFMotionData *ndof = event->customdata;
679                 const float speed = NDOF_PIXELS_PER_SECOND;
680
681                 WM_event_ndof_pan_get(ndof, pan_vec, true);
682
683                 mul_v2_fl(pan_vec, (speed * ndof->dt) / sima->zoom);
684                 pan_vec[2] *= -ndof->dt;
685
686                 sima_zoom_set_factor(sima, ar, 1.0f + pan_vec[2], NULL);
687                 sima->xof += pan_vec[0];
688                 sima->yof += pan_vec[1];
689
690                 ED_region_tag_redraw(ar);
691
692                 return OPERATOR_FINISHED;
693         }
694 }
695
696 void IMAGE_OT_view_ndof(wmOperatorType *ot)
697 {
698         /* identifiers */
699         ot->name = "NDOF Pan/Zoom";
700         ot->idname = "IMAGE_OT_view_ndof";
701         ot->description = "Use a 3D mouse device to pan/zoom the view";
702         
703         /* api callbacks */
704         ot->invoke = image_view_ndof_invoke;
705         ot->poll = space_image_main_region_poll;
706
707         /* flags */
708         ot->flag = OPTYPE_LOCK_BYPASS;
709 }
710 #endif /* WITH_INPUT_NDOF */
711
712 /********************** view all operator *********************/
713
714 /* Updates the fields of the View2D member of the SpaceImage struct.
715  * Default behavior is to reset the position of the image and set the zoom to 1
716  * If the image will not fit within the window rectangle, the zoom is adjusted */
717
718 static int image_view_all_exec(bContext *C, wmOperator *op)
719 {
720         SpaceImage *sima;
721         ARegion *ar;
722         float aspx, aspy, zoomx, zoomy, w, h;
723         int width, height;
724         const bool fit_view = RNA_boolean_get(op->ptr, "fit_view");
725
726         /* retrieve state */
727         sima = CTX_wm_space_image(C);
728         ar = CTX_wm_region(C);
729
730         ED_space_image_get_size(sima, &width, &height);
731         ED_space_image_get_aspect(sima, &aspx, &aspy);
732
733         w = width * aspx;
734         h = height * aspy;
735         
736         /* check if the image will fit in the image with (zoom == 1) */
737         width  = BLI_rcti_size_x(&ar->winrct) + 1;
738         height = BLI_rcti_size_y(&ar->winrct) + 1;
739
740         if (fit_view) {
741                 const int margin = 5; /* margin from border */
742
743                 zoomx = (float) width / (w + 2 * margin);
744                 zoomy = (float) height / (h + 2 * margin);
745
746                 sima_zoom_set(sima, ar, min_ff(zoomx, zoomy), NULL);
747         }
748         else {
749                 if ((w >= width || h >= height) && (width > 0 && height > 0)) {
750                         zoomx = (float) width / w;
751                         zoomy = (float) height / h;
752
753                         /* find the zoom value that will fit the image in the image space */
754                         sima_zoom_set(sima, ar, 1.0f / power_of_2(1.0f / min_ff(zoomx, zoomy)), NULL);
755                 }
756                 else
757                         sima_zoom_set(sima, ar, 1.0f, NULL);
758         }
759
760         sima->xof = sima->yof = 0.0f;
761
762         ED_region_tag_redraw(ar);
763         
764         return OPERATOR_FINISHED;
765 }
766
767 void IMAGE_OT_view_all(wmOperatorType *ot)
768 {
769         PropertyRNA *prop;
770
771         /* identifiers */
772         ot->name = "View All";
773         ot->idname = "IMAGE_OT_view_all";
774         ot->description = "View the entire image";
775         
776         /* api callbacks */
777         ot->exec = image_view_all_exec;
778         ot->poll = space_image_main_region_poll;
779
780         /* flags */
781         ot->flag = OPTYPE_LOCK_BYPASS;
782
783         /* properties */
784         prop = RNA_def_boolean(ot->srna, "fit_view", 0, "Fit View", "Fit frame to the viewport");
785         RNA_def_property_flag(prop, PROP_SKIP_SAVE);
786 }
787
788 /********************** view selected operator *********************/
789
790 static int image_view_selected_exec(bContext *C, wmOperator *UNUSED(op))
791 {
792         SpaceImage *sima;
793         ARegion *ar;
794         Scene *scene;
795         Object *obedit;
796         Image *ima;
797
798         /* retrieve state */
799         sima = CTX_wm_space_image(C);
800         ar = CTX_wm_region(C);
801         scene = CTX_data_scene(C);
802         obedit = CTX_data_edit_object(C);
803
804         ima = ED_space_image(sima);
805
806         /* get bounds */
807         float min[2], max[2];
808         if (ED_space_image_show_uvedit(sima, obedit)) {
809                 if (!ED_uvedit_minmax(scene, ima, obedit, min, max)) {
810                         return OPERATOR_CANCELLED;
811                 }
812         }
813         else if (ED_space_image_check_show_maskedit(scene, sima)) {
814                 if (!ED_mask_selected_minmax(C, min, max)) {
815                         return OPERATOR_CANCELLED;
816                 }
817         }
818         rctf bounds = {
819             .xmin = min[0], .ymin = min[1],
820             .xmax = max[0], .ymax = max[1],
821         };
822
823         /* add some margin */
824         BLI_rctf_scale(&bounds, 1.4f);
825
826         sima_zoom_set_from_bounds(sima, ar, &bounds);
827
828         ED_region_tag_redraw(ar);
829         
830         return OPERATOR_FINISHED;
831 }
832
833 static int image_view_selected_poll(bContext *C)
834 {
835         return (space_image_main_region_poll(C) && (ED_operator_uvedit(C) || ED_operator_mask(C)));
836 }
837
838 void IMAGE_OT_view_selected(wmOperatorType *ot)
839 {
840         /* identifiers */
841         ot->name = "View Center";
842         ot->idname = "IMAGE_OT_view_selected";
843         ot->description = "View all selected UVs";
844         
845         /* api callbacks */
846         ot->exec = image_view_selected_exec;
847         ot->poll = image_view_selected_poll;
848 }
849
850 /********************** view zoom in/out operator *********************/
851
852 static int image_view_zoom_in_exec(bContext *C, wmOperator *op)
853 {
854         SpaceImage *sima = CTX_wm_space_image(C);
855         ARegion *ar = CTX_wm_region(C);
856         float location[2];
857         
858         RNA_float_get_array(op->ptr, "location", location);
859
860         sima_zoom_set_factor(sima, ar, powf(2.0f, 1.0f / 3.0f), location);
861
862         ED_region_tag_redraw(ar);
863         
864         return OPERATOR_FINISHED;
865 }
866
867 static int image_view_zoom_in_invoke(bContext *C, wmOperator *op, const wmEvent *event)
868 {
869         ARegion *ar = CTX_wm_region(C);
870         float location[2];
871
872         UI_view2d_region_to_view(&ar->v2d, event->mval[0], event->mval[1], &location[0], &location[1]);
873         RNA_float_set_array(op->ptr, "location", location);
874
875         return image_view_zoom_in_exec(C, op);
876 }
877
878 void IMAGE_OT_view_zoom_in(wmOperatorType *ot)
879 {
880         PropertyRNA *prop;
881
882         /* identifiers */
883         ot->name = "View Zoom In";
884         ot->idname = "IMAGE_OT_view_zoom_in";
885         ot->description = "Zoom in the image (centered around 2D cursor)";
886         
887         /* api callbacks */
888         ot->invoke = image_view_zoom_in_invoke;
889         ot->exec = image_view_zoom_in_exec;
890         ot->poll = space_image_main_region_poll;
891
892         /* flags */
893         ot->flag = OPTYPE_LOCK_BYPASS;
894
895         /* properties */
896         prop = RNA_def_float_vector(ot->srna, "location", 2, NULL, -FLT_MAX, FLT_MAX,
897                                     "Location", "Cursor location in screen coordinates", -10.0f, 10.0f);
898         RNA_def_property_flag(prop, PROP_HIDDEN);
899 }
900
901 static int image_view_zoom_out_exec(bContext *C, wmOperator *op)
902 {
903         SpaceImage *sima = CTX_wm_space_image(C);
904         ARegion *ar = CTX_wm_region(C);
905         float location[2];
906         
907         RNA_float_get_array(op->ptr, "location", location);
908
909         sima_zoom_set_factor(sima, ar, powf(0.5f, 1.0f / 3.0f), location);
910         
911         ED_region_tag_redraw(ar);
912         
913         return OPERATOR_FINISHED;
914 }
915
916 static int image_view_zoom_out_invoke(bContext *C, wmOperator *op, const wmEvent *event)
917 {
918         ARegion *ar = CTX_wm_region(C);
919         float location[2];
920
921         UI_view2d_region_to_view(&ar->v2d, event->mval[0], event->mval[1], &location[0], &location[1]);
922         RNA_float_set_array(op->ptr, "location", location);
923
924         return image_view_zoom_out_exec(C, op);
925 }
926
927 void IMAGE_OT_view_zoom_out(wmOperatorType *ot)
928 {
929         PropertyRNA *prop;
930
931         /* identifiers */
932         ot->name = "View Zoom Out";
933         ot->idname = "IMAGE_OT_view_zoom_out";
934         ot->description = "Zoom out the image (centered around 2D cursor)";
935         
936         /* api callbacks */
937         ot->invoke = image_view_zoom_out_invoke;
938         ot->exec = image_view_zoom_out_exec;
939         ot->poll = space_image_main_region_poll;
940
941         /* flags */
942         ot->flag = OPTYPE_LOCK_BYPASS;
943
944         /* properties */
945         prop = RNA_def_float_vector(ot->srna, "location", 2, NULL, -FLT_MAX, FLT_MAX,
946                                     "Location", "Cursor location in screen coordinates", -10.0f, 10.0f);
947         RNA_def_property_flag(prop, PROP_HIDDEN);
948 }
949
950 /********************** view zoom ratio operator *********************/
951
952 static int image_view_zoom_ratio_exec(bContext *C, wmOperator *op)
953 {
954         SpaceImage *sima = CTX_wm_space_image(C);
955         ARegion *ar = CTX_wm_region(C);
956
957         sima_zoom_set(sima, ar, RNA_float_get(op->ptr, "ratio"), NULL);
958         
959         /* ensure pixel exact locations for draw */
960         sima->xof = (int)sima->xof;
961         sima->yof = (int)sima->yof;
962
963         /* XXX notifier? */
964 #if 0
965         if (image_preview_active(curarea, NULL, NULL)) {
966                 /* recalculates new preview rect */
967                 scrarea_do_windraw(curarea);
968                 image_preview_event(2);
969         }
970 #endif
971
972         ED_region_tag_redraw(ar);
973         
974         return OPERATOR_FINISHED;
975 }
976
977 void IMAGE_OT_view_zoom_ratio(wmOperatorType *ot)
978 {
979         /* identifiers */
980         ot->name = "View Zoom Ratio";
981         ot->idname = "IMAGE_OT_view_zoom_ratio";
982         ot->description = "Set zoom ratio of the view";
983         
984         /* api callbacks */
985         ot->exec = image_view_zoom_ratio_exec;
986         ot->poll = space_image_main_region_poll;
987
988         /* flags */
989         ot->flag = OPTYPE_LOCK_BYPASS;
990
991         /* properties */
992         RNA_def_float(ot->srna, "ratio", 0.0f, -FLT_MAX, FLT_MAX,
993                       "Ratio", "Zoom ratio, 1.0 is 1:1, higher is zoomed in, lower is zoomed out", -FLT_MAX, FLT_MAX);
994 }
995
996 /********************** view border-zoom operator *********************/
997
998 static int image_view_zoom_border_exec(bContext *C, wmOperator *op)
999 {
1000         SpaceImage *sima = CTX_wm_space_image(C);
1001         ARegion *ar = CTX_wm_region(C);
1002         rctf bounds;
1003         const int gesture_mode = RNA_int_get(op->ptr, "gesture_mode");
1004
1005         WM_operator_properties_border_to_rctf(op, &bounds);
1006
1007         UI_view2d_region_to_view_rctf(&ar->v2d, &bounds, &bounds);
1008
1009         const struct {
1010                 float xof;
1011                 float yof;
1012                 float zoom;
1013         } sima_view_prev = {
1014                 .xof = sima->xof,
1015                 .yof = sima->yof,
1016                 .zoom = sima->zoom,
1017         };
1018
1019         sima_zoom_set_from_bounds(sima, ar, &bounds);
1020
1021         /* zoom out */
1022         if (gesture_mode == GESTURE_MODAL_OUT) {
1023                 sima->xof = sima_view_prev.xof + (sima->xof - sima_view_prev.xof);
1024                 sima->yof = sima_view_prev.yof + (sima->yof - sima_view_prev.yof);
1025                 sima->zoom = sima_view_prev.zoom * (sima_view_prev.zoom / sima->zoom);
1026         }
1027
1028         ED_region_tag_redraw(ar);
1029
1030         return OPERATOR_FINISHED;
1031 }
1032
1033 void IMAGE_OT_view_zoom_border(wmOperatorType *ot)
1034 {
1035         /* identifiers */
1036         ot->name = "Zoom to Border";
1037         ot->description = "Zoom in the view to the nearest item contained in the border";
1038         ot->idname = "IMAGE_OT_view_zoom_border";
1039
1040         /* api callbacks */
1041         ot->invoke = WM_border_select_invoke;
1042         ot->exec = image_view_zoom_border_exec;
1043         ot->modal = WM_border_select_modal;
1044         ot->cancel = WM_border_select_cancel;
1045
1046         ot->poll = space_image_main_region_poll;
1047
1048         /* rna */
1049         WM_operator_properties_gesture_border(ot, false);
1050 }
1051
1052 /**************** load/replace/save callbacks ******************/
1053 static void image_filesel(bContext *C, wmOperator *op, const char *path)
1054 {
1055         RNA_string_set(op->ptr, "filepath", path);
1056         WM_event_add_fileselect(C, op); 
1057 }
1058
1059 /******************** open image operator ********************/
1060
1061 typedef struct ImageOpenData {
1062         PropertyPointerRNA pprop;
1063         ImageUser *iuser;
1064         ImageFormatData im_format;
1065 } ImageOpenData;
1066
1067 typedef struct ImageFrameRange {
1068         struct ImageFrameRange *next, *prev;
1069         ListBase frames;
1070         char filepath[FILE_MAX];
1071 } ImageFrameRange;
1072
1073 typedef struct ImageFrame {
1074         struct ImageFrame *next, *prev;
1075         int framenr;
1076 } ImageFrame;
1077
1078 static void image_open_init(bContext *C, wmOperator *op)
1079 {
1080         ImageOpenData *iod;
1081         op->customdata = iod = MEM_callocN(sizeof(ImageOpenData), __func__);
1082         iod->iuser = CTX_data_pointer_get_type(C, "image_user", &RNA_ImageUser).data;
1083         UI_context_active_but_prop_get_templateID(C, &iod->pprop.ptr, &iod->pprop.prop);
1084 }
1085
1086 static void image_open_cancel(bContext *UNUSED(C), wmOperator *op)
1087 {
1088         MEM_freeN(op->customdata);
1089         op->customdata = NULL;
1090 }
1091
1092 /**
1093  * \brief Get a list of frames from the list of image files matching the first file name sequence pattern
1094  * \param ptr [in] the RNA pointer containing the "directory" entry and "files" collection
1095  * \param frames [out] the list of frame numbers found in the files matching the first one by name
1096  * \param path [out] the full path of the first file in the list of image files
1097  */
1098 static void image_sequence_get_frame_ranges(PointerRNA *ptr, ListBase *frames_all)
1099 {
1100         char dir[FILE_MAXDIR];
1101         ImageFrameRange *frame_range = NULL;
1102
1103         RNA_string_get(ptr, "directory", dir);
1104         RNA_BEGIN (ptr, itemptr, "files")
1105         {
1106                 char base_head[FILE_MAX], base_tail[FILE_MAX];
1107                 char head[FILE_MAX], tail[FILE_MAX];
1108                 unsigned short digits;
1109                 char *filename = RNA_string_get_alloc(&itemptr, "name", NULL, 0);
1110                 ImageFrame *frame = MEM_callocN(sizeof(ImageFrame), "image_frame");
1111
1112                 /* use the first file in the list as base filename */
1113                 frame->framenr = BLI_stringdec(filename, head, tail, &digits);
1114
1115                 /* still in the same sequence */
1116                 if ((frame_range != NULL) &&
1117                     (STREQLEN(base_head, head, FILE_MAX)) &&
1118                     (STREQLEN(base_tail, tail, FILE_MAX)))
1119                 {
1120                         /* pass */
1121                 }
1122                 else {
1123                         /* start a new frame range */
1124                         frame_range = MEM_callocN(sizeof(*frame_range), __func__);
1125                         BLI_join_dirfile(frame_range->filepath, sizeof(frame_range->filepath), dir, filename);
1126                         BLI_addtail(frames_all, frame_range);
1127
1128                         BLI_strncpy(base_head, head, sizeof(base_head));
1129                         BLI_strncpy(base_tail, tail, sizeof(base_tail));
1130                 }
1131
1132                 BLI_addtail(&frame_range->frames, frame);
1133                 MEM_freeN(filename);
1134         }
1135         RNA_END
1136 }
1137
1138 static int image_cmp_frame(const void *a, const void *b)
1139 {
1140         const ImageFrame *frame_a = a;
1141         const ImageFrame *frame_b = b;
1142
1143         if (frame_a->framenr < frame_b->framenr) return -1;
1144         if (frame_a->framenr > frame_b->framenr) return 1;
1145         return 0;
1146 }
1147
1148 /**
1149  * \brief Return the start (offset) and the length of the sequence of continuous frames in the list of frames
1150  * \param frames [in] the list of frame numbers, as a side-effect the list is sorted
1151  * \param ofs [out] offest, the first frame number in the sequence
1152  * \return the number of contiguous frames in the sequence
1153  */
1154 static int image_sequence_get_len(ListBase *frames, int *ofs)
1155 {
1156         ImageFrame *frame;
1157
1158         BLI_listbase_sort(frames, image_cmp_frame);
1159
1160         frame = frames->first;
1161         if (frame) {
1162                 int frame_curr = frame->framenr;
1163                 (*ofs) = frame_curr;
1164                 while (frame && (frame->framenr == frame_curr)) {
1165                         frame_curr++;
1166                         frame = frame->next;
1167                 }
1168                 return frame_curr - (*ofs);
1169         }
1170         return 0;
1171 }
1172
1173 static Image *image_open_single(
1174         wmOperator *op, const char *filepath, const char *relbase,
1175         bool is_relative_path, bool use_multiview, int frame_seq_len)
1176 {
1177         bool exists = false;
1178         Image *ima = NULL;
1179
1180         errno = 0;
1181         ima = BKE_image_load_exists_ex(filepath, &exists);
1182
1183         if (!ima) {
1184                 if (op->customdata) MEM_freeN(op->customdata);
1185                 BKE_reportf(op->reports, RPT_ERROR, "Cannot read '%s': %s",
1186                             filepath, errno ? strerror(errno) : TIP_("unsupported image format"));
1187                 return NULL;
1188         }
1189
1190         if (!exists) {
1191                 /* only image path after save, never ibuf */
1192                 if (is_relative_path) {
1193                         BLI_path_rel(ima->name, relbase);
1194                 }
1195
1196                 /* handle multiview images */
1197                 if (use_multiview) {
1198                         ImageOpenData *iod = op->customdata;
1199                         ImageFormatData *imf = &iod->im_format;
1200
1201                         ima->flag |= IMA_USE_VIEWS;
1202                         ima->views_format = imf->views_format;
1203                         *ima->stereo3d_format = imf->stereo3d_format;
1204                 }
1205                 else {
1206                         ima->flag &= ~IMA_USE_VIEWS;
1207                         BKE_image_free_views(ima);
1208                 }
1209
1210                 if ((frame_seq_len > 1) && (ima->source == IMA_SRC_FILE)) {
1211                         ima->source = IMA_SRC_SEQUENCE;
1212                 }
1213         }
1214
1215         return ima;
1216 }
1217
1218
1219 static int image_open_exec(bContext *C, wmOperator *op)
1220 {
1221         Main *bmain = CTX_data_main(C);
1222         ScrArea *sa = CTX_wm_area(C);
1223         Scene *scene = CTX_data_scene(C);
1224         Object *obedit = CTX_data_edit_object(C);
1225         ImageUser *iuser = NULL;
1226         ImageOpenData *iod = op->customdata;
1227         PointerRNA idptr;
1228         Image *ima = NULL;
1229         char filepath[FILE_MAX];
1230         int frame_seq_len = 0;
1231         int frame_ofs = 1;
1232
1233         const bool is_relative_path = RNA_boolean_get(op->ptr, "relative_path");
1234         const bool use_multiview    = RNA_boolean_get(op->ptr, "use_multiview");
1235
1236         if (!op->customdata)
1237                 image_open_init(C, op);
1238
1239         RNA_string_get(op->ptr, "filepath", filepath);
1240
1241         if (RNA_struct_property_is_set(op->ptr, "directory") &&
1242             RNA_struct_property_is_set(op->ptr, "files"))
1243         {
1244                 bool was_relative = BLI_path_is_rel(filepath);
1245                 ListBase frame_ranges_all;
1246
1247                 BLI_listbase_clear(&frame_ranges_all);
1248                 image_sequence_get_frame_ranges(op->ptr, &frame_ranges_all);
1249                 for (ImageFrameRange *frame_range = frame_ranges_all.first; frame_range; frame_range = frame_range->next) {
1250                         int frame_range_ofs;
1251                         int frame_range_seq_len = image_sequence_get_len(&frame_range->frames, &frame_range_ofs);
1252                         BLI_freelistN(&frame_range->frames);
1253
1254                         char filepath_range[FILE_MAX];
1255                         BLI_strncpy(filepath_range, frame_range->filepath, sizeof(filepath_range));
1256
1257                         if (was_relative) {
1258                                 BLI_path_rel(filepath_range, bmain->name);
1259                         }
1260
1261                         Image *ima_range = image_open_single(
1262                                  op, filepath_range, bmain->name,
1263                                  is_relative_path, use_multiview, frame_range_seq_len);
1264
1265                         /* take the first image */
1266                         if ((ima == NULL) && ima_range) {
1267                                 ima = ima_range;
1268                                 frame_seq_len = frame_range_seq_len;
1269                                 frame_ofs = frame_range_ofs;
1270                         }
1271                 }
1272                 BLI_freelistN(&frame_ranges_all);
1273         }
1274         else {
1275                 /* for drag & drop etc. */
1276                 ima = image_open_single(
1277                         op, filepath, bmain->name,
1278                         is_relative_path, use_multiview, 1);
1279         }
1280
1281         if (ima == NULL) {
1282                 return OPERATOR_CANCELLED;
1283         }
1284
1285         /* hook into UI */
1286         iod = op->customdata;
1287
1288         if (iod->pprop.prop) {
1289                 /* when creating new ID blocks, use is already 1, but RNA
1290                  * pointer use also increases user, so this compensates it */
1291                 id_us_min(&ima->id);
1292
1293                 RNA_id_pointer_create(&ima->id, &idptr);
1294                 RNA_property_pointer_set(&iod->pprop.ptr, iod->pprop.prop, idptr);
1295                 RNA_property_update(C, &iod->pprop.ptr, iod->pprop.prop);
1296         }
1297
1298         if (iod->iuser) {
1299                 iuser = iod->iuser;
1300         }
1301         else if (sa->spacetype == SPACE_IMAGE) {
1302                 SpaceImage *sima = sa->spacedata.first;
1303                 ED_space_image_set(sima, scene, obedit, ima);
1304                 iuser = &sima->iuser;
1305         }
1306         else if (sa->spacetype == SPACE_VIEW3D) {
1307                 View3D *v3d = sa->spacedata.first;
1308
1309                 for (BGpic *bgpic = v3d->bgpicbase.first; bgpic; bgpic = bgpic->next) {
1310                         if (bgpic->ima == ima) {
1311                                 iuser = &bgpic->iuser;
1312                                 break;
1313                         }
1314                 }
1315         }
1316         else {
1317                 Tex *tex = CTX_data_pointer_get_type(C, "texture", &RNA_Texture).data;
1318                 if (tex && tex->type == TEX_IMAGE) {
1319                         iuser = &tex->iuser;
1320                 }
1321         }
1322
1323         /* initialize because of new image */
1324         if (iuser) {
1325                 iuser->frames = frame_seq_len;
1326                 iuser->sfra = 1;
1327                 iuser->framenr = 1;
1328                 iuser->offset = frame_ofs - 1;
1329                 iuser->fie_ima = 2;
1330                 iuser->scene = scene;
1331                 BKE_image_init_imageuser(ima, iuser);
1332         }
1333
1334         /* XXX unpackImage frees image buffers */
1335         ED_preview_kill_jobs(CTX_wm_manager(C), bmain);
1336         
1337         BKE_image_signal(ima, iuser, IMA_SIGNAL_RELOAD);
1338         WM_event_add_notifier(C, NC_IMAGE | NA_EDITED, ima);
1339         
1340         MEM_freeN(op->customdata);
1341
1342         return OPERATOR_FINISHED;
1343 }
1344
1345 static int image_open_invoke(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
1346 {
1347         SpaceImage *sima = CTX_wm_space_image(C); /* XXX other space types can call */
1348         const char *path = U.textudir;
1349         Image *ima = NULL;
1350         Scene *scene = CTX_data_scene(C);
1351
1352         if (sima) {
1353                 ima = sima->image;
1354         }
1355
1356         if (ima == NULL) {
1357                 Tex *tex = CTX_data_pointer_get_type(C, "texture", &RNA_Texture).data;
1358                 if (tex && tex->type == TEX_IMAGE)
1359                         ima = tex->ima;
1360         }
1361
1362         if (ima == NULL) {
1363                 PointerRNA ptr;
1364                 PropertyRNA *prop;
1365
1366                 /* hook into UI */
1367                 UI_context_active_but_prop_get_templateID(C, &ptr, &prop);
1368
1369                 if (prop) {
1370                         PointerRNA oldptr;
1371                         Image *oldima;
1372
1373                         oldptr = RNA_property_pointer_get(&ptr, prop);
1374                         oldima = (Image *)oldptr.id.data;
1375                         /* unlikely to fail but better avoid strange crash */
1376                         if (oldima && GS(oldima->id.name) == ID_IM) {
1377                                 ima = oldima;
1378                         }
1379                 }
1380         }
1381
1382         if (ima)
1383                 path = ima->name;
1384
1385         if (RNA_struct_property_is_set(op->ptr, "filepath"))
1386                 return image_open_exec(C, op);
1387         
1388         image_open_init(C, op);
1389
1390         /* show multiview save options only if scene has multiviews */
1391         PropertyRNA *prop;
1392         prop = RNA_struct_find_property(op->ptr, "show_multiview");
1393         RNA_property_boolean_set(op->ptr, prop, (scene->r.scemode & R_MULTIVIEW) != 0);
1394
1395         image_filesel(C, op, path);
1396
1397         return OPERATOR_RUNNING_MODAL;
1398 }
1399
1400 static bool image_open_draw_check_prop(PointerRNA *UNUSED(ptr), PropertyRNA *prop)
1401 {
1402         const char *prop_id = RNA_property_identifier(prop);
1403
1404         return !(STREQ(prop_id, "filepath") ||
1405                  STREQ(prop_id, "directory") ||
1406                  STREQ(prop_id, "filename")
1407                  );
1408 }
1409
1410 static void image_open_draw(bContext *UNUSED(C), wmOperator *op)
1411 {
1412         uiLayout *layout = op->layout;
1413         ImageOpenData *iod = op->customdata;
1414         ImageFormatData *imf = &iod->im_format;
1415         PointerRNA imf_ptr, ptr;
1416
1417         /* main draw call */
1418         RNA_pointer_create(NULL, op->type->srna, op->properties, &ptr);
1419         uiDefAutoButsRNA(layout, &ptr, image_open_draw_check_prop, '\0');
1420
1421         /* image template */
1422         RNA_pointer_create(NULL, &RNA_ImageFormatSettings, imf, &imf_ptr);
1423
1424         /* multiview template */
1425         if (RNA_boolean_get(op->ptr, "show_multiview"))
1426                 uiTemplateImageFormatViews(layout, &imf_ptr, op->ptr);
1427 }
1428
1429 /* called by other space types too */
1430 void IMAGE_OT_open(wmOperatorType *ot)
1431 {
1432         /* identifiers */
1433         ot->name = "Open Image";
1434         ot->description = "Open image";
1435         ot->idname = "IMAGE_OT_open";
1436         
1437         /* api callbacks */
1438         ot->exec = image_open_exec;
1439         ot->invoke = image_open_invoke;
1440         ot->cancel = image_open_cancel;
1441         ot->ui = image_open_draw;
1442
1443         /* flags */
1444         ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
1445
1446         /* properties */
1447         WM_operator_properties_filesel(
1448                 ot, FILE_TYPE_FOLDER | FILE_TYPE_IMAGE | FILE_TYPE_MOVIE, FILE_SPECIAL, FILE_OPENFILE,
1449                 WM_FILESEL_FILEPATH | WM_FILESEL_DIRECTORY | WM_FILESEL_FILES | WM_FILESEL_RELPATH,
1450                 FILE_DEFAULTDISPLAY, FILE_SORT_ALPHA);
1451 }
1452
1453 /******************** Match movie length operator ********************/
1454 static int image_match_len_exec(bContext *C, wmOperator *UNUSED(op))
1455 {
1456         Scene *scene = CTX_data_scene(C);
1457         Image *ima = CTX_data_pointer_get_type(C, "edit_image", &RNA_Image).data;
1458         ImageUser *iuser = CTX_data_pointer_get_type(C, "edit_image_user", &RNA_ImageUser).data;
1459
1460         if (!ima || !iuser) {
1461                 /* Try to get a Texture, or a SpaceImage from context... */
1462                 SpaceImage *sima = CTX_wm_space_image(C);
1463                 Tex *tex = CTX_data_pointer_get_type(C, "texture", &RNA_Texture).data;
1464                 if (tex && tex->type == TEX_IMAGE) {
1465                         ima = tex->ima;
1466                         iuser = &tex->iuser;
1467                 }
1468                 else if (sima) {
1469                         ima = sima->image;
1470                         iuser = &sima->iuser;
1471                 }
1472                 
1473         }
1474
1475         if (!ima || !iuser || !BKE_image_has_anim(ima))
1476                 return OPERATOR_CANCELLED;
1477
1478         struct anim *anim = ((ImageAnim *)ima->anims.first)->anim;
1479         if (!anim)
1480                 return OPERATOR_CANCELLED;
1481         iuser->frames = IMB_anim_get_duration(anim, IMB_TC_RECORD_RUN);
1482         BKE_image_user_frame_calc(iuser, scene->r.cfra, 0);
1483
1484         return OPERATOR_FINISHED;
1485 }
1486
1487 /* called by other space types too */
1488 void IMAGE_OT_match_movie_length(wmOperatorType *ot)
1489 {
1490         /* identifiers */
1491         ot->name = "Match Movie Length";
1492         ot->description = "Set image's user's length to the one of this video";
1493         ot->idname = "IMAGE_OT_match_movie_length";
1494         
1495         /* api callbacks */
1496         ot->exec = image_match_len_exec;
1497
1498         /* flags */
1499         ot->flag = OPTYPE_REGISTER | OPTYPE_INTERNAL/* | OPTYPE_UNDO */; /* Don't think we need undo for that. */
1500 }
1501
1502 /******************** replace image operator ********************/
1503
1504 static int image_replace_exec(bContext *C, wmOperator *op)
1505 {
1506         SpaceImage *sima = CTX_wm_space_image(C);
1507         char str[FILE_MAX];
1508
1509         if (!sima->image)
1510                 return OPERATOR_CANCELLED;
1511         
1512         RNA_string_get(op->ptr, "filepath", str);
1513
1514         /* we cant do much if the str is longer then FILE_MAX :/ */
1515         BLI_strncpy(sima->image->name, str, sizeof(sima->image->name));
1516
1517         if (sima->image->source == IMA_SRC_GENERATED) {
1518                 sima->image->source = IMA_SRC_FILE;
1519                 BKE_image_signal(sima->image, &sima->iuser, IMA_SIGNAL_SRC_CHANGE);
1520         }
1521         
1522         if (BLI_testextensie_array(str, imb_ext_movie))
1523                 sima->image->source = IMA_SRC_MOVIE;
1524         else
1525                 sima->image->source = IMA_SRC_FILE;
1526
1527         /* XXX unpackImage frees image buffers */
1528         ED_preview_kill_jobs(CTX_wm_manager(C), CTX_data_main(C));
1529         
1530         BKE_icon_changed(BKE_icon_id_ensure(&sima->image->id));
1531         BKE_image_signal(sima->image, &sima->iuser, IMA_SIGNAL_RELOAD);
1532         WM_event_add_notifier(C, NC_IMAGE | NA_EDITED, sima->image);
1533
1534         return OPERATOR_FINISHED;
1535 }
1536
1537 static int image_replace_invoke(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
1538 {
1539         SpaceImage *sima = CTX_wm_space_image(C);
1540
1541         if (!sima->image)
1542                 return OPERATOR_CANCELLED;
1543
1544         if (RNA_struct_property_is_set(op->ptr, "filepath"))
1545                 return image_replace_exec(C, op);
1546
1547         if (!RNA_struct_property_is_set(op->ptr, "relative_path"))
1548                 RNA_boolean_set(op->ptr, "relative_path", BLI_path_is_rel(sima->image->name));
1549
1550         image_filesel(C, op, sima->image->name);
1551
1552         return OPERATOR_RUNNING_MODAL;
1553 }
1554
1555 void IMAGE_OT_replace(wmOperatorType *ot)
1556 {
1557         /* identifiers */
1558         ot->name = "Replace Image";
1559         ot->idname = "IMAGE_OT_replace";
1560         ot->description = "Replace current image by another one from disk";
1561         
1562         /* api callbacks */
1563         ot->exec = image_replace_exec;
1564         ot->invoke = image_replace_invoke;
1565         ot->poll = image_not_packed_poll;
1566
1567         /* flags */
1568         ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
1569
1570         /* properties */
1571         WM_operator_properties_filesel(
1572                 ot, FILE_TYPE_FOLDER | FILE_TYPE_IMAGE | FILE_TYPE_MOVIE, FILE_SPECIAL, FILE_OPENFILE,
1573                 WM_FILESEL_FILEPATH | WM_FILESEL_RELPATH, FILE_DEFAULTDISPLAY, FILE_SORT_ALPHA);
1574 }
1575
1576 /******************** save image as operator ********************/
1577
1578 typedef struct {
1579         /* matching scene->r settings */
1580         //short planes, imtype, subimtype, quality;
1581         ImageFormatData im_format;
1582         char filepath[FILE_MAX]; /* keep absolute */
1583 } SaveImageOptions;
1584
1585 static void save_image_options_defaults(SaveImageOptions *simopts)
1586 {
1587         BKE_imformat_defaults(&simopts->im_format);
1588         simopts->filepath[0] = '\0';
1589 }
1590
1591 static char imtype_best_depth(ImBuf *ibuf, const char imtype)
1592 {
1593         const char depth_ok = BKE_imtype_valid_depths(imtype);
1594
1595         if (ibuf->rect_float) {
1596                 if (depth_ok & R_IMF_CHAN_DEPTH_32) return R_IMF_CHAN_DEPTH_32;
1597                 if (depth_ok & R_IMF_CHAN_DEPTH_24) return R_IMF_CHAN_DEPTH_24;
1598                 if (depth_ok & R_IMF_CHAN_DEPTH_16) return R_IMF_CHAN_DEPTH_16;
1599                 if (depth_ok & R_IMF_CHAN_DEPTH_12) return R_IMF_CHAN_DEPTH_12;
1600                 return R_IMF_CHAN_DEPTH_8;
1601         }
1602         else {
1603                 if (depth_ok & R_IMF_CHAN_DEPTH_8) return R_IMF_CHAN_DEPTH_8;
1604                 if (depth_ok & R_IMF_CHAN_DEPTH_12) return R_IMF_CHAN_DEPTH_12;
1605                 if (depth_ok & R_IMF_CHAN_DEPTH_16) return R_IMF_CHAN_DEPTH_16;
1606                 if (depth_ok & R_IMF_CHAN_DEPTH_24) return R_IMF_CHAN_DEPTH_24;
1607                 if (depth_ok & R_IMF_CHAN_DEPTH_32) return R_IMF_CHAN_DEPTH_32;
1608                 return R_IMF_CHAN_DEPTH_8; /* fallback, should not get here */
1609         }
1610 }
1611
1612 static int save_image_options_init(SaveImageOptions *simopts, SpaceImage *sima, Scene *scene,
1613                                    const bool guess_path, const bool save_as_render)
1614 {
1615         void *lock;
1616         ImBuf *ibuf = ED_space_image_acquire_buffer(sima, &lock);
1617
1618         if (ibuf) {
1619                 Image *ima = sima->image;
1620                 bool is_depth_set = false;
1621
1622                 if (ELEM(ima->type, IMA_TYPE_R_RESULT, IMA_TYPE_COMPOSITE)) {
1623                         /* imtype */
1624                         simopts->im_format = scene->r.im_format;
1625                         is_depth_set = true;
1626                         if (!BKE_image_is_multiview(ima)) {
1627                                 /* In case multiview is disabled, render settings would be invalid for render result in this area. */
1628                                 simopts->im_format.stereo3d_format = *ima->stereo3d_format;
1629                                 simopts->im_format.views_format = ima->views_format;
1630                         }
1631                 }
1632                 else {
1633                         if (ima->source == IMA_SRC_GENERATED) {
1634                                 simopts->im_format.imtype = R_IMF_IMTYPE_PNG;
1635                                 simopts->im_format.compress = ibuf->foptions.quality;
1636                                 simopts->im_format.planes = ibuf->planes;
1637                         }
1638                         else {
1639                                 BKE_imbuf_to_image_format(&simopts->im_format, ibuf);
1640                         }
1641
1642                         /* use the multiview image settings as the default */
1643                         simopts->im_format.stereo3d_format = *ima->stereo3d_format;
1644                         simopts->im_format.views_format = ima->views_format;
1645                 }
1646
1647                 //simopts->subimtype = scene->r.subimtype; /* XXX - this is lame, we need to make these available too! */
1648
1649                 BLI_strncpy(simopts->filepath, ibuf->name, sizeof(simopts->filepath));
1650
1651                 /* sanitize all settings */
1652
1653                 /* unlikely but just in case */
1654                 if (ELEM(simopts->im_format.planes, R_IMF_PLANES_BW, R_IMF_PLANES_RGB, R_IMF_PLANES_RGBA) == 0) {
1655                         simopts->im_format.planes = R_IMF_PLANES_RGBA;
1656                 }
1657
1658                 /* depth, account for float buffer and format support */
1659                 if (is_depth_set == false) {
1660                         simopts->im_format.depth = imtype_best_depth(ibuf, simopts->im_format.imtype);
1661                 }
1662
1663                 /* some formats don't use quality so fallback to scenes quality */
1664                 if (simopts->im_format.quality == 0) {
1665                         simopts->im_format.quality = scene->r.im_format.quality;
1666                 }
1667
1668                 /* check for empty path */
1669                 if (guess_path && simopts->filepath[0] == 0) {
1670                         const bool is_prev_save = !STREQ(G.ima, "//");
1671                         if (save_as_render) {
1672                                 if (is_prev_save) {
1673                                         BLI_strncpy(simopts->filepath, G.ima, sizeof(simopts->filepath));
1674                                 }
1675                                 else {
1676                                         BLI_strncpy(simopts->filepath, "//untitled", sizeof(simopts->filepath));
1677                                         BLI_path_abs(simopts->filepath, G.main->name);
1678                                 }
1679                         }
1680                         else {
1681                                 BLI_snprintf(simopts->filepath, sizeof(simopts->filepath), "//%s", ima->id.name + 2);
1682                                 BLI_path_abs(simopts->filepath, is_prev_save ? G.ima : G.main->name);
1683                         }
1684                 }
1685
1686                 /* color management */
1687                 BKE_color_managed_display_settings_copy(&simopts->im_format.display_settings, &scene->display_settings);
1688                 BKE_color_managed_view_settings_copy(&simopts->im_format.view_settings, &scene->view_settings);
1689         }
1690
1691         ED_space_image_release_buffer(sima, ibuf, lock);
1692
1693         return (ibuf != NULL);
1694 }
1695
1696 static void save_image_options_from_op(SaveImageOptions *simopts, wmOperator *op)
1697 {
1698         if (op->customdata) {
1699                 BKE_color_managed_view_settings_free(&simopts->im_format.view_settings);
1700
1701                 simopts->im_format = *(ImageFormatData *)op->customdata;
1702         }
1703
1704         if (RNA_struct_property_is_set(op->ptr, "filepath")) {
1705                 RNA_string_get(op->ptr, "filepath", simopts->filepath);
1706                 BLI_path_abs(simopts->filepath, G.main->name);
1707         }
1708 }
1709
1710 static void save_image_options_to_op(SaveImageOptions *simopts, wmOperator *op)
1711 {
1712         if (op->customdata) {
1713                 BKE_color_managed_view_settings_free(&((ImageFormatData *)op->customdata)->view_settings);
1714
1715                 *(ImageFormatData *)op->customdata = simopts->im_format;
1716         }
1717
1718         RNA_string_set(op->ptr, "filepath", simopts->filepath);
1719 }
1720
1721 static void save_image_post(
1722         wmOperator *op, ImBuf *ibuf, Image *ima, int ok, int save_copy,
1723         const char *relbase, int relative, int do_newpath, const char *filepath)
1724 {
1725         if (ok) {
1726                 if (!save_copy) {
1727                         ColorManagedColorspaceSettings old_colorspace_settings;
1728
1729                         if (do_newpath) {
1730                                 BLI_strncpy(ibuf->name, filepath, sizeof(ibuf->name));
1731                                 BLI_strncpy(ima->name, filepath, sizeof(ima->name));
1732                         }
1733
1734                         ibuf->userflags &= ~IB_BITMAPDIRTY;
1735
1736                         /* change type? */
1737                         if (ima->type == IMA_TYPE_R_RESULT) {
1738                                 ima->type = IMA_TYPE_IMAGE;
1739
1740                                 /* workaround to ensure the render result buffer is no longer used
1741                                  * by this image, otherwise can crash when a new render result is
1742                                  * created. */
1743                                 if (ibuf->rect && !(ibuf->mall & IB_rect))
1744                                         imb_freerectImBuf(ibuf);
1745                                 if (ibuf->rect_float && !(ibuf->mall & IB_rectfloat))
1746                                         imb_freerectfloatImBuf(ibuf);
1747                                 if (ibuf->zbuf && !(ibuf->mall & IB_zbuf))
1748                                         IMB_freezbufImBuf(ibuf);
1749                                 if (ibuf->zbuf_float && !(ibuf->mall & IB_zbuffloat))
1750                                         IMB_freezbuffloatImBuf(ibuf);
1751                         }
1752                         if (ELEM(ima->source, IMA_SRC_GENERATED, IMA_SRC_VIEWER)) {
1753                                 ima->source = IMA_SRC_FILE;
1754                                 ima->type = IMA_TYPE_IMAGE;
1755                         }
1756
1757                         /* only image path, never ibuf */
1758                         if (relative) {
1759                                 BLI_path_rel(ima->name, relbase); /* only after saving */
1760                         }
1761
1762                         BKE_color_managed_colorspace_settings_copy(&old_colorspace_settings,
1763                                                                    &ima->colorspace_settings);
1764                         IMB_colormanagment_colorspace_from_ibuf_ftype(&ima->colorspace_settings, ibuf);
1765                         if (!BKE_color_managed_colorspace_settings_equals(&old_colorspace_settings,
1766                                                                           &ima->colorspace_settings))
1767                         {
1768                                 BKE_image_signal(ima, NULL, IMA_SIGNAL_COLORMANAGE);
1769                         }
1770                 }
1771         }
1772         else {
1773                 BKE_reportf(op->reports, RPT_ERROR, "Could not write image: %s", strerror(errno));
1774         }
1775 }
1776
1777 static void save_imbuf_post(ImBuf *ibuf, ImBuf *colormanaged_ibuf)
1778 {
1779         if (colormanaged_ibuf != ibuf) {
1780                 /* This guys might be modified by image buffer write functions,
1781                  * need to copy them back from color managed image buffer to an
1782                  * original one, so file type of image is being properly updated.
1783                  */
1784                 ibuf->ftype = colormanaged_ibuf->ftype;
1785                 ibuf->foptions = colormanaged_ibuf->foptions;
1786                 ibuf->planes = colormanaged_ibuf->planes;
1787
1788                 IMB_freeImBuf(colormanaged_ibuf);
1789         }
1790 }
1791
1792 /**
1793  * \return success.
1794  * \note ``ima->name`` and ``ibuf->name`` should end up the same.
1795  * \note for multiview the first ``ibuf`` is important to get the settings.
1796  */
1797 static bool save_image_doit(bContext *C, SpaceImage *sima, wmOperator *op, SaveImageOptions *simopts, bool do_newpath)
1798 {
1799         Image *ima = ED_space_image(sima);
1800         void *lock;
1801         ImBuf *ibuf = ED_space_image_acquire_buffer(sima, &lock);
1802         Scene *scene;
1803         RenderResult *rr = NULL;
1804         bool ok = false;
1805
1806         WM_cursor_wait(1);
1807
1808         if (ibuf) {
1809                 ImBuf *colormanaged_ibuf = NULL;
1810                 const char *relbase = ID_BLEND_PATH(CTX_data_main(C), &ima->id);
1811                 const bool relative = (RNA_struct_find_property(op->ptr, "relative_path") && RNA_boolean_get(op->ptr, "relative_path"));
1812                 const bool save_copy = (RNA_struct_find_property(op->ptr, "copy") && RNA_boolean_get(op->ptr, "copy"));
1813                 const bool save_as_render = (RNA_struct_find_property(op->ptr, "save_as_render") && RNA_boolean_get(op->ptr, "save_as_render"));
1814                 ImageFormatData *imf = &simopts->im_format;
1815
1816                 const bool is_multilayer = imf->imtype == R_IMF_IMTYPE_MULTILAYER;
1817                 bool is_mono;
1818
1819                 /* old global to ensure a 2nd save goes to same dir */
1820                 BLI_strncpy(G.ima, simopts->filepath, sizeof(G.ima));
1821
1822                 if (ima->type == IMA_TYPE_R_RESULT) {
1823                         /* enforce user setting for RGB or RGBA, but skip BW */
1824                         if (simopts->im_format.planes == R_IMF_PLANES_RGBA) {
1825                                 ibuf->planes = R_IMF_PLANES_RGBA;
1826                         }
1827                         else if (simopts->im_format.planes == R_IMF_PLANES_RGB) {
1828                                 ibuf->planes = R_IMF_PLANES_RGB;
1829                         }
1830                 }
1831                 else {
1832                         /* TODO, better solution, if a 24bit image is painted onto it may contain alpha */
1833                         if ((simopts->im_format.planes == R_IMF_PLANES_RGBA) &&
1834                             /* it has been painted onto */
1835                             (ibuf->userflags & IB_BITMAPDIRTY))
1836                         {
1837                                 /* checks each pixel, not ideal */
1838                                 ibuf->planes = BKE_imbuf_alpha_test(ibuf) ? R_IMF_PLANES_RGBA : R_IMF_PLANES_RGB;
1839                         }
1840                 }
1841
1842                 /* we need renderresult for exr and rendered multiview */
1843                 scene = CTX_data_scene(C);
1844                 rr = BKE_image_acquire_renderresult(scene, ima);
1845                 is_mono = rr ? BLI_listbase_count_ex(&rr->views, 2) < 2 : BLI_listbase_count_ex(&ima->views, 2) < 2;
1846
1847                 /* error handling */
1848                 if (!rr) {
1849                         if (imf->imtype == R_IMF_IMTYPE_MULTILAYER) {
1850                                 BKE_report(op->reports, RPT_ERROR, "Did not write, no Multilayer Image");
1851                                 goto cleanup;
1852                         }
1853                 }
1854                 else {
1855                         if (imf->views_format == R_IMF_VIEWS_STEREO_3D) {
1856                                 if (!BKE_image_is_stereo(ima)) {
1857                                         BKE_reportf(op->reports, RPT_ERROR, "Did not write, the image doesn't have a \"%s\" and \"%s\" views",
1858                                                    STEREO_LEFT_NAME, STEREO_RIGHT_NAME);
1859                                         goto cleanup;
1860                                 }
1861
1862                                 /* it shouldn't ever happen*/
1863                                 if ((BLI_findstring(&rr->views, STEREO_LEFT_NAME, offsetof(RenderView, name)) == NULL) ||
1864                                     (BLI_findstring(&rr->views, STEREO_RIGHT_NAME, offsetof(RenderView, name)) == NULL))
1865                                 {
1866                                         BKE_reportf(op->reports, RPT_ERROR, "Did not write, the image doesn't have a \"%s\" and \"%s\" views",
1867                                                    STEREO_LEFT_NAME, STEREO_RIGHT_NAME);
1868                                         goto cleanup;
1869                                 }
1870                         }
1871                         BKE_imbuf_stamp_info(rr, ibuf);
1872                 }
1873
1874                 /* fancy multiview OpenEXR */
1875                 if ((imf->imtype == R_IMF_IMTYPE_MULTILAYER) && (imf->views_format == R_IMF_VIEWS_MULTIVIEW)) {
1876                         ok = RE_WriteRenderResult(op->reports, rr, simopts->filepath, imf, true, NULL);
1877                         save_image_post(op, ibuf, ima, ok, true, relbase, relative, do_newpath, simopts->filepath);
1878                         ED_space_image_release_buffer(sima, ibuf, lock);
1879                 }
1880                 else if ((imf->imtype == R_IMF_IMTYPE_OPENEXR) && (imf->views_format == R_IMF_VIEWS_MULTIVIEW)) {
1881                         /* treat special Openexr case separetely (this is the singlelayer multiview OpenEXR */
1882                         BKE_imbuf_write_prepare(ibuf, imf);
1883                         ok = BKE_image_save_openexr_multiview(ima, ibuf, simopts->filepath, (IB_rect | IB_zbuf | IB_zbuffloat | IB_multiview));
1884                         ED_space_image_release_buffer(sima, ibuf, lock);
1885                 }
1886                 /* regular mono pipeline */
1887                 else if (is_mono) {
1888                         if (is_multilayer) {
1889                                 ok = RE_WriteRenderResult(op->reports, rr, simopts->filepath, imf, false, NULL);
1890                         }
1891                         else {
1892                                 colormanaged_ibuf = IMB_colormanagement_imbuf_for_write(ibuf, save_as_render, true, &imf->view_settings, &imf->display_settings, imf);
1893                                 IMB_metadata_copy(colormanaged_ibuf, ibuf);
1894                                 ok = BKE_imbuf_write_as(colormanaged_ibuf, simopts->filepath, imf, save_copy);
1895                                 save_imbuf_post(ibuf, colormanaged_ibuf);
1896                         }
1897                         save_image_post(op, ibuf, ima, ok, (is_multilayer ? true : save_copy), relbase, relative, do_newpath, simopts->filepath);
1898                         ED_space_image_release_buffer(sima, ibuf, lock);
1899                 }
1900                 /* individual multiview images */
1901                 else if (imf->views_format == R_IMF_VIEWS_INDIVIDUAL) {
1902                         int i;
1903                         unsigned char planes = ibuf->planes;
1904                         const int totviews = (rr ? BLI_listbase_count(&rr->views) : BLI_listbase_count(&ima->views));
1905
1906                         if (!is_multilayer) {
1907                                 ED_space_image_release_buffer(sima, ibuf, lock);
1908                         }
1909
1910                         for (i = 0; i < totviews; i++) {
1911                                 char filepath[FILE_MAX];
1912                                 bool ok_view = false;
1913                                 const char *view = rr ? ((RenderView *) BLI_findlink(&rr->views, i))->name :
1914                                                         ((ImageView *) BLI_findlink(&ima->views, i))->name;
1915
1916                                 if (is_multilayer) {
1917                                         BKE_scene_multiview_view_filepath_get(&scene->r, simopts->filepath, view, filepath);
1918                                         ok_view = RE_WriteRenderResult(op->reports, rr, filepath, imf, false, view);
1919                                         save_image_post(op, ibuf, ima, ok_view, true, relbase, relative, do_newpath, filepath);
1920                                 }
1921                                 else {
1922                                         /* copy iuser to get the correct ibuf for this view */
1923                                         ImageUser iuser = sima->iuser;
1924                                         iuser.view = i;
1925                                         iuser.flag &= ~IMA_SHOW_STEREO;
1926
1927                                         if (rr)
1928                                                 BKE_image_multilayer_index(rr, &iuser);
1929                                         else
1930                                                 BKE_image_multiview_index(ima, &iuser);
1931
1932                                         ibuf = BKE_image_acquire_ibuf(sima->image, &iuser, &lock);
1933                                         ibuf->planes = planes;
1934
1935                                         BKE_scene_multiview_view_filepath_get(&scene->r, simopts->filepath, view, filepath);
1936
1937                                         colormanaged_ibuf = IMB_colormanagement_imbuf_for_write(ibuf, save_as_render, true, &imf->view_settings, &imf->display_settings, imf);
1938                                         ok_view = BKE_imbuf_write_as(colormanaged_ibuf, filepath, &simopts->im_format, save_copy);
1939                                         save_imbuf_post(ibuf, colormanaged_ibuf);
1940                                         save_image_post(op, ibuf, ima, ok_view, true, relbase, relative, do_newpath, filepath);
1941                                         BKE_image_release_ibuf(sima->image, ibuf, lock);
1942                                 }
1943                                 ok &= ok_view;
1944                         }
1945
1946                         if (is_multilayer) {
1947                                 ED_space_image_release_buffer(sima, ibuf, lock);
1948                         }
1949                 }
1950                 /* stereo (multiview) images */
1951                 else if (simopts->im_format.views_format == R_IMF_VIEWS_STEREO_3D) {
1952                         if (imf->imtype == R_IMF_IMTYPE_MULTILAYER) {
1953                                 ok = RE_WriteRenderResult(op->reports, rr, simopts->filepath, imf, false, NULL);
1954                                 save_image_post(op, ibuf, ima, ok, true, relbase, relative, do_newpath, simopts->filepath);
1955                                 ED_space_image_release_buffer(sima, ibuf, lock);
1956                         }
1957                         else {
1958                                 ImBuf *ibuf_stereo[2] = {NULL};
1959
1960                                 unsigned char planes = ibuf->planes;
1961                                 const char *names[2] = {STEREO_LEFT_NAME, STEREO_RIGHT_NAME};
1962                                 int i;
1963
1964                                 /* we need to get the specific per-view buffers */
1965                                 ED_space_image_release_buffer(sima, ibuf, lock);
1966
1967                                 for (i = 0; i < 2; i ++) {
1968                                         ImageUser iuser = sima->iuser;
1969                                         iuser.flag &= ~IMA_SHOW_STEREO;
1970
1971                                         if (rr) {
1972                                                 int id = BLI_findstringindex(&rr->views, names[i], offsetof(RenderView, name));
1973                                                 iuser.view = id;
1974                                                 BKE_image_multilayer_index(rr, &iuser);
1975                                         }
1976                                         else {
1977                                                 iuser.view = i;
1978                                                 BKE_image_multiview_index(ima, &iuser);
1979                                         }
1980
1981                                         ibuf = BKE_image_acquire_ibuf(sima->image, &iuser, &lock);
1982
1983                                         if (ibuf == NULL) {
1984                                                 BKE_report(op->reports, RPT_ERROR, "Did not write, unexpected error when saving stereo image");
1985                                                 goto cleanup;
1986                                         }
1987
1988                                         ibuf->planes = planes;
1989
1990                                         /* color manage the ImBuf leaving it ready for saving */
1991                                         colormanaged_ibuf = IMB_colormanagement_imbuf_for_write(ibuf, save_as_render, true,
1992                                                                                                 &imf->view_settings, &imf->display_settings, imf);
1993
1994                                         BKE_imbuf_write_prepare(colormanaged_ibuf, imf);
1995                                         IMB_prepare_write_ImBuf(IMB_isfloat(colormanaged_ibuf), colormanaged_ibuf);
1996
1997                                         /* duplicate buffer to prevent locker issue when using render result */
1998                                         ibuf_stereo[i] = IMB_dupImBuf(colormanaged_ibuf);
1999
2000                                         save_imbuf_post(ibuf, colormanaged_ibuf);
2001                                         BKE_image_release_ibuf(sima->image, ibuf, lock);
2002                                 }
2003
2004                                 ibuf = IMB_stereo3d_ImBuf(imf, ibuf_stereo[0], ibuf_stereo[1]);
2005
2006                                 /* save via traditional path */
2007                                 ok = BKE_imbuf_write_as(ibuf, simopts->filepath, imf, save_copy);
2008
2009                                 IMB_freeImBuf(ibuf);
2010
2011                                 for (i = 0; i < 2; i ++) {
2012                                         IMB_freeImBuf(ibuf_stereo[i]);
2013                                 }
2014                         }
2015                 }
2016
2017                 WM_event_add_notifier(C, NC_IMAGE | NA_EDITED, sima->image);
2018
2019         }
2020         else {
2021 cleanup:
2022                 ED_space_image_release_buffer(sima, ibuf, lock);
2023         }
2024
2025         if (rr) {
2026                 BKE_image_release_renderresult(scene, ima);
2027         }
2028
2029         WM_cursor_wait(0);
2030
2031         return ok;
2032 }
2033
2034 static void image_save_as_free(wmOperator *op)
2035 {
2036         if (op->customdata) {
2037                 ImageFormatData *im_format = (ImageFormatData *)op->customdata;
2038                 BKE_color_managed_view_settings_free(&im_format->view_settings);
2039
2040                 MEM_freeN(op->customdata);
2041                 op->customdata = NULL;
2042         }
2043 }
2044
2045 static int image_save_as_exec(bContext *C, wmOperator *op)
2046 {
2047         SpaceImage *sima = CTX_wm_space_image(C);
2048         SaveImageOptions simopts;
2049
2050         save_image_options_defaults(&simopts);
2051
2052         /* just in case to initialize values,
2053          * these should be set on invoke or by the caller. */
2054         save_image_options_init(&simopts, sima, CTX_data_scene(C), false, false);
2055
2056         save_image_options_from_op(&simopts, op);
2057
2058         save_image_doit(C, sima, op, &simopts, true);
2059
2060         image_save_as_free(op);
2061         return OPERATOR_FINISHED;
2062 }
2063
2064
2065 static bool image_save_as_check(bContext *UNUSED(C), wmOperator *op)
2066 {
2067         ImageFormatData *imf = op->customdata;
2068         return WM_operator_filesel_ensure_ext_imtype(op, imf);
2069 }
2070
2071 static int image_save_as_invoke(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
2072 {
2073         SpaceImage *sima = CTX_wm_space_image(C);
2074         Image *ima = ED_space_image(sima);
2075         Scene *scene = CTX_data_scene(C);
2076         SaveImageOptions simopts;
2077         PropertyRNA *prop;
2078         const bool save_as_render = ((ima->source == IMA_SRC_VIEWER) || (ima->flag & IMA_VIEW_AS_RENDER));
2079
2080         if (RNA_struct_property_is_set(op->ptr, "filepath"))
2081                 return image_save_as_exec(C, op);
2082
2083         save_image_options_defaults(&simopts);
2084
2085         if (save_image_options_init(&simopts, sima, scene, true, save_as_render) == 0)
2086                 return OPERATOR_CANCELLED;
2087         save_image_options_to_op(&simopts, op);
2088
2089         /* enable save_copy by default for render results */
2090         if (ELEM(ima->type, IMA_TYPE_R_RESULT, IMA_TYPE_COMPOSITE) && !RNA_struct_property_is_set(op->ptr, "copy")) {
2091                 RNA_boolean_set(op->ptr, "copy", true);
2092         }
2093
2094         RNA_boolean_set(op->ptr, "save_as_render", save_as_render);
2095
2096         op->customdata = MEM_mallocN(sizeof(simopts.im_format), __func__);
2097         memcpy(op->customdata, &simopts.im_format, sizeof(simopts.im_format));
2098
2099         /* show multiview save options only if image has multiviews */
2100         prop = RNA_struct_find_property(op->ptr, "show_multiview");
2101         RNA_property_boolean_set(op->ptr, prop, BKE_image_is_multiview(ima));
2102         prop = RNA_struct_find_property(op->ptr, "use_multiview");
2103         RNA_property_boolean_set(op->ptr, prop, BKE_image_is_multiview(ima));
2104
2105         image_filesel(C, op, simopts.filepath);
2106
2107         return OPERATOR_RUNNING_MODAL;
2108 }
2109
2110 static void image_save_as_cancel(bContext *UNUSED(C), wmOperator *op)
2111 {
2112         image_save_as_free(op);
2113 }
2114
2115 static bool image_save_as_draw_check_prop(PointerRNA *ptr, PropertyRNA *prop)
2116 {
2117         const char *prop_id = RNA_property_identifier(prop);
2118
2119         return !(STREQ(prop_id, "filepath") ||
2120                  STREQ(prop_id, "directory") ||
2121                  STREQ(prop_id, "filename") ||
2122                  /* when saving a copy, relative path has no effect */
2123                  ((STREQ(prop_id, "relative_path")) && RNA_boolean_get(ptr, "copy"))
2124                  );
2125 }
2126
2127 static void image_save_as_draw(bContext *UNUSED(C), wmOperator *op)
2128 {
2129         uiLayout *layout = op->layout;
2130         ImageFormatData *imf = op->customdata;
2131         PointerRNA imf_ptr, ptr;
2132         const bool is_multiview = RNA_boolean_get(op->ptr, "show_multiview");
2133
2134         /* image template */
2135         RNA_pointer_create(NULL, &RNA_ImageFormatSettings, imf, &imf_ptr);
2136         uiTemplateImageSettings(layout, &imf_ptr, false);
2137
2138         /* main draw call */
2139         RNA_pointer_create(NULL, op->type->srna, op->properties, &ptr);
2140         uiDefAutoButsRNA(layout, &ptr, image_save_as_draw_check_prop, '\0');
2141
2142         /* multiview template */
2143         if (is_multiview)
2144                 uiTemplateImageFormatViews(layout, &imf_ptr, op->ptr);
2145 }
2146
2147 static int image_save_as_poll(bContext *C)
2148 {
2149         if (space_image_buffer_exists_poll(C)) {
2150                 if (G.is_rendering) {
2151                         /* no need to NULL check here */
2152                         SpaceImage *sima = CTX_wm_space_image(C);
2153                         Image *ima = ED_space_image(sima);
2154
2155                         if (ima->source == IMA_SRC_VIEWER) {
2156                                 CTX_wm_operator_poll_msg_set(C, "can't save image while rendering");
2157                                 return false;
2158                         }
2159                 }
2160                 return true;
2161         }
2162         return false;
2163 }
2164
2165 void IMAGE_OT_save_as(wmOperatorType *ot)
2166 {
2167         /* identifiers */
2168         ot->name = "Save As Image";
2169         ot->idname = "IMAGE_OT_save_as";
2170         ot->description = "Save the image with another name and/or settings";
2171         
2172         /* api callbacks */
2173         ot->exec = image_save_as_exec;
2174         ot->check = image_save_as_check;
2175         ot->invoke = image_save_as_invoke;
2176         ot->cancel = image_save_as_cancel;
2177         ot->ui = image_save_as_draw;
2178         ot->poll = image_save_as_poll;
2179
2180         /* flags */
2181         ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
2182
2183         /* properties */
2184         RNA_def_boolean(ot->srna, "save_as_render", 0, "Save As Render", "Apply render part of display transform when saving byte image");
2185         RNA_def_boolean(ot->srna, "copy", 0, "Copy", "Create a new image file without modifying the current image in blender");
2186
2187         WM_operator_properties_filesel(
2188                 ot, FILE_TYPE_FOLDER | FILE_TYPE_IMAGE | FILE_TYPE_MOVIE, FILE_SPECIAL, FILE_SAVE,
2189                 WM_FILESEL_FILEPATH | WM_FILESEL_RELPATH, FILE_DEFAULTDISPLAY, FILE_SORT_ALPHA);
2190 }
2191
2192 /******************** save image operator ********************/
2193
2194 static int image_save_exec(bContext *C, wmOperator *op)
2195 {
2196         SpaceImage *sima = CTX_wm_space_image(C);
2197         Scene *scene = CTX_data_scene(C);
2198         SaveImageOptions simopts;
2199
2200         save_image_options_defaults(&simopts);
2201         if (save_image_options_init(&simopts, sima, scene, false, false) == 0)
2202                 return OPERATOR_CANCELLED;
2203         save_image_options_from_op(&simopts, op);
2204
2205         if (BLI_exists(simopts.filepath) && BLI_file_is_writable(simopts.filepath)) {
2206                 if (save_image_doit(C, sima, op, &simopts, false)) {
2207                         /* report since this can be called from key-shortcuts */
2208                         BKE_reportf(op->reports, RPT_INFO, "Saved Image '%s'", simopts.filepath);
2209                 }
2210         }
2211         else {
2212                 BKE_reportf(op->reports, RPT_ERROR, "Cannot save image, path '%s' is not writable", simopts.filepath);
2213                 return OPERATOR_CANCELLED;
2214         }
2215
2216         return OPERATOR_FINISHED;
2217 }
2218
2219 void IMAGE_OT_save(wmOperatorType *ot)
2220 {
2221         /* identifiers */
2222         ot->name = "Save Image";
2223         ot->idname = "IMAGE_OT_save";
2224         ot->description = "Save the image with current name and settings";
2225         
2226         /* api callbacks */
2227         ot->exec = image_save_exec;
2228         ot->poll = space_image_file_exists_poll;
2229
2230         /* flags */
2231         ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
2232 }
2233
2234 /******************* save sequence operator ********************/
2235
2236 static int image_save_sequence_exec(bContext *C, wmOperator *op)
2237 {
2238         Main *bmain = CTX_data_main(C);
2239         SpaceImage *sima = CTX_wm_space_image(C);
2240         ImBuf *ibuf, *first_ibuf = NULL;
2241         int tot = 0;
2242         char di[FILE_MAX];
2243         struct MovieCacheIter *iter;
2244         
2245         if (sima->image == NULL)
2246                 return OPERATOR_CANCELLED;
2247
2248         if (sima->image->source != IMA_SRC_SEQUENCE) {
2249                 BKE_report(op->reports, RPT_ERROR, "Can only save sequence on image sequences");
2250                 return OPERATOR_CANCELLED;
2251         }
2252
2253         if (sima->image->type == IMA_TYPE_MULTILAYER) {
2254                 BKE_report(op->reports, RPT_ERROR, "Cannot save multilayer sequences");
2255                 return OPERATOR_CANCELLED;
2256         }
2257         
2258         /* get total dirty buffers and first dirty buffer which is used for menu */
2259         ibuf = NULL;
2260         if (sima->image->cache != NULL) {
2261                 iter = IMB_moviecacheIter_new(sima->image->cache);
2262                 while (!IMB_moviecacheIter_done(iter)) {
2263                         ibuf = IMB_moviecacheIter_getImBuf(iter);
2264                         if (ibuf->userflags & IB_BITMAPDIRTY) {
2265                                 if (first_ibuf == NULL) {
2266                                         first_ibuf = ibuf;
2267                                 }
2268                                 tot++;
2269                         }
2270                         IMB_moviecacheIter_step(iter);
2271                 }
2272                 IMB_moviecacheIter_free(iter);
2273         }
2274         
2275         if (tot == 0) {
2276                 BKE_report(op->reports, RPT_WARNING, "No images have been changed");
2277                 return OPERATOR_CANCELLED;
2278         }
2279
2280         /* get a filename for menu */
2281         BLI_split_dir_part(first_ibuf->name, di, sizeof(di));
2282         BKE_reportf(op->reports, RPT_INFO, "%d image(s) will be saved in %s", tot, di);
2283
2284         iter = IMB_moviecacheIter_new(sima->image->cache);
2285         while (!IMB_moviecacheIter_done(iter)) {
2286                 ibuf = IMB_moviecacheIter_getImBuf(iter);
2287
2288                 if (ibuf->userflags & IB_BITMAPDIRTY) {
2289                         char name[FILE_MAX];
2290                         BLI_strncpy(name, ibuf->name, sizeof(name));
2291
2292                         BLI_path_abs(name, bmain->name);
2293
2294                         if (0 == IMB_saveiff(ibuf, name, IB_rect | IB_zbuf | IB_zbuffloat)) {
2295                                 BKE_reportf(op->reports, RPT_ERROR, "Could not write image: %s", strerror(errno));
2296                                 break;
2297                         }
2298
2299                         BKE_reportf(op->reports, RPT_INFO, "Saved %s", ibuf->name);
2300                         ibuf->userflags &= ~IB_BITMAPDIRTY;
2301                 }
2302
2303                 IMB_moviecacheIter_step(iter);
2304         }
2305         IMB_moviecacheIter_free(iter);
2306
2307         return OPERATOR_FINISHED;
2308 }
2309
2310 void IMAGE_OT_save_sequence(wmOperatorType *ot)
2311 {
2312         /* identifiers */
2313         ot->name = "Save Sequence";
2314         ot->idname = "IMAGE_OT_save_sequence";
2315         ot->description = "Save a sequence of images";
2316         
2317         /* api callbacks */
2318         ot->exec = image_save_sequence_exec;
2319         ot->poll = space_image_buffer_exists_poll;
2320
2321         /* flags */
2322         ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
2323 }
2324
2325 /******************** reload image operator ********************/
2326
2327 static int image_reload_exec(bContext *C, wmOperator *UNUSED(op))
2328 {
2329         Image *ima = CTX_data_edit_image(C);
2330         SpaceImage *sima = CTX_wm_space_image(C);
2331
2332         if (!ima)
2333                 return OPERATOR_CANCELLED;
2334
2335         /* XXX unpackImage frees image buffers */
2336         ED_preview_kill_jobs(CTX_wm_manager(C), CTX_data_main(C));
2337         
2338         // XXX other users?
2339         BKE_image_signal(ima, (sima) ? &sima->iuser : NULL, IMA_SIGNAL_RELOAD);
2340         DAG_id_tag_update(&ima->id, 0);
2341
2342         WM_event_add_notifier(C, NC_IMAGE | NA_EDITED, ima);
2343         
2344         return OPERATOR_FINISHED;
2345 }
2346
2347 void IMAGE_OT_reload(wmOperatorType *ot)
2348 {
2349         /* identifiers */
2350         ot->name = "Reload Image";
2351         ot->idname = "IMAGE_OT_reload";
2352         ot->description = "Reload current image from disk";
2353         
2354         /* api callbacks */
2355         ot->exec = image_reload_exec;
2356
2357         /* flags */
2358         ot->flag = OPTYPE_REGISTER; /* no undo, image buffer is not handled by undo */
2359 }
2360
2361 /********************** new image operator *********************/
2362 #define IMA_DEF_NAME N_("Untitled")
2363
2364 enum {
2365         GEN_CONTEXT_NONE = 0,
2366         GEN_CONTEXT_PAINT_CANVAS = 1,
2367         GEN_CONTEXT_PAINT_STENCIL = 2
2368 };
2369
2370 static int image_new_exec(bContext *C, wmOperator *op)
2371 {
2372         SpaceImage *sima;
2373         Scene *scene;
2374         Object *obedit;
2375         Image *ima;
2376         Main *bmain;
2377         PointerRNA ptr, idptr;
2378         PropertyRNA *prop;
2379         char _name[MAX_ID_NAME - 2];
2380         char *name = _name;
2381         float color[4];
2382         int width, height, floatbuf, gen_type, alpha;
2383         int gen_context;
2384         int stereo3d;
2385
2386         /* retrieve state */
2387         sima = CTX_wm_space_image(C);
2388         scene = CTX_data_scene(C);
2389         obedit = CTX_data_edit_object(C);
2390         bmain = CTX_data_main(C);
2391
2392         prop = RNA_struct_find_property(op->ptr, "name");
2393         RNA_property_string_get(op->ptr, prop, name);
2394         if (!RNA_property_is_set(op->ptr, prop)) {
2395                 /* Default value, we can translate! */
2396                 name = (char *)DATA_(name);
2397         }
2398         width = RNA_int_get(op->ptr, "width");
2399         height = RNA_int_get(op->ptr, "height");
2400         floatbuf = RNA_boolean_get(op->ptr, "float");
2401         gen_type = RNA_enum_get(op->ptr, "generated_type");
2402         RNA_float_get_array(op->ptr, "color", color);
2403         alpha = RNA_boolean_get(op->ptr, "alpha");
2404         gen_context = RNA_enum_get(op->ptr, "gen_context");
2405         stereo3d = RNA_boolean_get(op->ptr, "use_stereo_3d");
2406
2407         if (!alpha)
2408                 color[3] = 1.0f;
2409
2410         ima = BKE_image_add_generated(bmain, width, height, name, alpha ? 32 : 24, floatbuf, gen_type, color, stereo3d);
2411
2412         if (!ima)
2413                 return OPERATOR_CANCELLED;
2414
2415         /* hook into UI */
2416         UI_context_active_but_prop_get_templateID(C, &ptr, &prop);
2417
2418         if (prop) {
2419                 /* when creating new ID blocks, use is already 1, but RNA
2420                  * pointer use also increases user, so this compensates it */
2421                 id_us_min(&ima->id);
2422
2423                 RNA_id_pointer_create(&ima->id, &idptr);
2424                 RNA_property_pointer_set(&ptr, prop, idptr);
2425                 RNA_property_update(C, &ptr, prop);
2426         }
2427         else if (sima) {
2428                 ED_space_image_set(sima, scene, obedit, ima);
2429         }
2430         else if (gen_context == GEN_CONTEXT_PAINT_CANVAS) {
2431                 bScreen *sc;
2432                 Object *ob = CTX_data_active_object(C);
2433                 
2434                 GPU_drawobject_free(ob->derivedFinal);  
2435                 if (scene->toolsettings->imapaint.canvas)
2436                         id_us_min(&scene->toolsettings->imapaint.canvas->id);
2437                 scene->toolsettings->imapaint.canvas = ima;
2438                 
2439                 for (sc = bmain->screen.first; sc; sc = sc->id.next) {
2440                         ScrArea *sa;
2441                         for (sa = sc->areabase.first; sa; sa = sa->next) {
2442                                 SpaceLink *sl;
2443                                 for (sl = sa->spacedata.first; sl; sl = sl->next) {
2444                                         if (sl->spacetype == SPACE_IMAGE) {
2445                                                 SpaceImage *sima_other = (SpaceImage *)sl;
2446                                                 
2447                                                 if (!sima_other->pin) {
2448                                                         ED_space_image_set(sima_other, scene, scene->obedit, ima);
2449                                                 }
2450                                         }
2451                                 }
2452                         }
2453                 }
2454                 BKE_paint_proj_mesh_data_check(scene, ob, NULL, NULL, NULL, NULL);
2455                 WM_event_add_notifier(C, NC_SCENE | ND_TOOLSETTINGS, NULL);
2456         }
2457         else if (gen_context == GEN_CONTEXT_PAINT_STENCIL) {
2458                 Object *ob = CTX_data_active_object(C);
2459                 if (scene->toolsettings->imapaint.stencil)
2460                         id_us_min(&scene->toolsettings->imapaint.stencil->id);
2461                 scene->toolsettings->imapaint.stencil = ima;
2462                 BKE_paint_proj_mesh_data_check(scene, ob, NULL, NULL, NULL, NULL);      
2463                 WM_event_add_notifier(C, NC_SCENE | ND_TOOLSETTINGS, NULL);             
2464         }
2465         else {
2466                 Tex *tex = CTX_data_pointer_get_type(C, "texture", &RNA_Texture).data;
2467                 if (tex && tex->type == TEX_IMAGE) {
2468                         if (tex->ima)
2469                                 id_us_min(&tex->ima->id);
2470                         tex->ima = ima;
2471                         ED_area_tag_redraw(CTX_wm_area(C));
2472                 }
2473         }
2474
2475         BKE_image_signal(ima, (sima) ? &sima->iuser : NULL, IMA_SIGNAL_USER_NEW_IMAGE);
2476         
2477         WM_event_add_notifier(C, NC_IMAGE | NA_ADDED, ima);
2478         
2479         return OPERATOR_FINISHED;
2480 }
2481
2482 /* XXX, Ton is not a fan of OK buttons but using this function to avoid undo/redo bug while in mesh-editmode, - campbell */
2483 /* 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 */
2484 static int image_new_invoke(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
2485 {
2486         /* Better for user feedback. */
2487         RNA_string_set(op->ptr, "name", DATA_(IMA_DEF_NAME));
2488         return WM_operator_props_dialog_popup(C, op, 15 * UI_UNIT_X, 5 * UI_UNIT_Y);
2489 }
2490
2491 static void image_new_draw(bContext *UNUSED(C), wmOperator *op)
2492 {
2493         uiLayout *split, *col[2];
2494         uiLayout *layout = op->layout;
2495         PointerRNA ptr;
2496 #if 0
2497         Scene *scene = CTX_data_scene(C);
2498         const bool is_multiview = (scene->r.scemode & R_MULTIVIEW) != 0;
2499 #endif
2500
2501         RNA_pointer_create(NULL, op->type->srna, op->properties, &ptr);
2502
2503         /* copy of WM_operator_props_dialog_popup() layout */
2504
2505         split = uiLayoutSplit(layout, 0.5f, false);
2506         col[0] = uiLayoutColumn(split, false);
2507         col[1] = uiLayoutColumn(split, false);
2508
2509         uiItemL(col[0], IFACE_("Name"), ICON_NONE);
2510         uiItemR(col[1], &ptr, "name", 0, "", ICON_NONE);
2511
2512         uiItemL(col[0], IFACE_("Width"), ICON_NONE);
2513         uiItemR(col[1], &ptr, "width", 0, "", ICON_NONE);
2514
2515         uiItemL(col[0], IFACE_("Height"), ICON_NONE);
2516         uiItemR(col[1], &ptr, "height", 0, "", ICON_NONE);
2517
2518         uiItemL(col[0], IFACE_("Color"), ICON_NONE);
2519         uiItemR(col[1], &ptr, "color", 0, "", ICON_NONE);
2520
2521         uiItemL(col[0], "", ICON_NONE);
2522         uiItemR(col[1], &ptr, "alpha", 0, NULL, ICON_NONE);
2523
2524         uiItemL(col[0], IFACE_("Generated Type"), ICON_NONE);
2525         uiItemR(col[1], &ptr, "generated_type", 0, "", ICON_NONE);
2526
2527         uiItemL(col[0], "", ICON_NONE);
2528         uiItemR(col[1], &ptr, "float", 0, NULL, ICON_NONE);
2529
2530 #if 0
2531         if (is_multiview) {
2532                 uiItemL(col[0], "", ICON_NONE);
2533                 uiItemR(col[1], &ptr, "use_stereo_3d", 0, NULL, ICON_NONE);
2534         }
2535 #endif
2536 }
2537
2538 void IMAGE_OT_new(wmOperatorType *ot)
2539 {
2540         PropertyRNA *prop;
2541         static float default_color[4] = {0.0f, 0.0f, 0.0f, 1.0f};
2542
2543         static EnumPropertyItem gen_context_items[] = {
2544                 {GEN_CONTEXT_NONE, "NONE", 0, "None", ""},
2545                 {GEN_CONTEXT_PAINT_CANVAS, "PAINT_CANVAS", 0, "Paint Canvas", ""},
2546                 {GEN_CONTEXT_PAINT_STENCIL, "PAINT_STENCIL", 0, "Paint Stencil", ""},
2547                 {0, NULL, 0, NULL, NULL}
2548         };
2549         
2550         /* identifiers */
2551         ot->name = "New Image";
2552         ot->description = "Create a new image";
2553         ot->idname = "IMAGE_OT_new";
2554         
2555         /* api callbacks */
2556         ot->exec = image_new_exec;
2557         ot->invoke = image_new_invoke;
2558         ot->ui = image_new_draw;
2559         
2560         /* flags */
2561         ot->flag = OPTYPE_UNDO;
2562
2563         /* properties */
2564         RNA_def_string(ot->srna, "name", IMA_DEF_NAME, MAX_ID_NAME - 2, "Name", "Image data-block name");
2565         prop = RNA_def_int(ot->srna, "width", 1024, 1, INT_MAX, "Width", "Image width", 1, 16384);
2566         RNA_def_property_subtype(prop, PROP_PIXEL);
2567         prop = RNA_def_int(ot->srna, "height", 1024, 1, INT_MAX, "Height", "Image height", 1, 16384);
2568         RNA_def_property_subtype(prop, PROP_PIXEL);
2569         prop = RNA_def_float_color(ot->srna, "color", 4, NULL, 0.0f, FLT_MAX, "Color", "Default fill color", 0.0f, 1.0f);
2570         RNA_def_property_subtype(prop, PROP_COLOR_GAMMA);
2571         RNA_def_property_float_array_default(prop, default_color);
2572         RNA_def_boolean(ot->srna, "alpha", 1, "Alpha", "Create an image with an alpha channel");
2573         RNA_def_enum(ot->srna, "generated_type", rna_enum_image_generated_type_items, IMA_GENTYPE_BLANK,
2574                      "Generated Type", "Fill the image with a grid for UV map testing");
2575         RNA_def_boolean(ot->srna, "float", 0, "32 bit Float", "Create image with 32 bit floating point bit depth");
2576         prop = RNA_def_enum(ot->srna, "gen_context", gen_context_items, 0, "Gen Context", "Generation context");
2577         RNA_def_property_flag(prop, PROP_HIDDEN);
2578         prop = RNA_def_boolean(ot->srna, "use_stereo_3d", 0, "Stereo 3D", "Create an image with left and right views");
2579         RNA_def_property_flag(prop, PROP_SKIP_SAVE | PROP_HIDDEN);
2580 }
2581
2582 #undef IMA_DEF_NAME
2583
2584 /********************* invert operators *********************/
2585
2586 static int image_invert_poll(bContext *C)
2587 {
2588         Image *ima = CTX_data_edit_image(C);
2589
2590         return BKE_image_has_ibuf(ima, NULL);
2591 }
2592
2593 static int image_invert_exec(bContext *C, wmOperator *op)
2594 {
2595         Image *ima = CTX_data_edit_image(C);
2596         ImBuf *ibuf = BKE_image_acquire_ibuf(ima, NULL, NULL);
2597         SpaceImage *sima = CTX_wm_space_image(C);
2598         /* undo is supported only on image paint mode currently */
2599         bool support_undo = ((sima != NULL) && (sima->mode == SI_MODE_PAINT));
2600
2601         /* flags indicate if this channel should be inverted */
2602         const bool r = RNA_boolean_get(op->ptr, "invert_r");
2603         const bool g = RNA_boolean_get(op->ptr, "invert_g");
2604         const bool b = RNA_boolean_get(op->ptr, "invert_b");
2605         const bool a = RNA_boolean_get(op->ptr, "invert_a");
2606
2607         size_t i;
2608
2609         if (ibuf == NULL)  /* TODO: this should actually never happen, but does for render-results -> cleanup */
2610                 return OPERATOR_CANCELLED;
2611
2612         if (support_undo) {
2613                 ED_undo_paint_push_begin(UNDO_PAINT_IMAGE, op->type->name,
2614                                          ED_image_undo_restore, ED_image_undo_free, NULL);
2615                 /* not strictly needed, because we only imapaint_dirty_region to invalidate all tiles
2616                  * but better do this right in case someone copies this for a tool that uses partial redraw better */
2617                 ED_imapaint_clear_partial_redraw();
2618                 ED_imapaint_dirty_region(ima, ibuf, 0, 0, ibuf->x, ibuf->y, false);
2619         }
2620         /* TODO: make this into an IMB_invert_channels(ibuf,r,g,b,a) method!? */
2621         if (ibuf->rect_float) {
2622                 
2623                 float *fp = (float *) ibuf->rect_float;
2624                 for (i = ((size_t)ibuf->x) * ibuf->y; i > 0; i--, fp += 4) {
2625                         if (r) fp[0] = 1.0f - fp[0];
2626                         if (g) fp[1] = 1.0f - fp[1];
2627                         if (b) fp[2] = 1.0f - fp[2];
2628                         if (a) fp[3] = 1.0f - fp[3];
2629                 }
2630
2631                 if (ibuf->rect) {
2632                         IMB_rect_from_float(ibuf);
2633                 }
2634         }
2635         else if (ibuf->rect) {
2636                 
2637                 char *cp = (char *) ibuf->rect;
2638                 for (i = ((size_t)ibuf->x) * ibuf->y; i > 0; i--, cp += 4) {
2639                         if (r) cp[0] = 255 - cp[0];
2640                         if (g) cp[1] = 255 - cp[1];
2641                         if (b) cp[2] = 255 - cp[2];
2642                         if (a) cp[3] = 255 - cp[3];
2643                 }
2644         }
2645         else {
2646                 BKE_image_release_ibuf(ima, ibuf, NULL);
2647                 return OPERATOR_CANCELLED;
2648         }
2649
2650         ibuf->userflags |= IB_BITMAPDIRTY | IB_DISPLAY_BUFFER_INVALID;
2651
2652         if (ibuf->mipmap[0])
2653                 ibuf->userflags |= IB_MIPMAP_INVALID;
2654
2655         if (support_undo)
2656                 ED_undo_paint_push_end(UNDO_PAINT_IMAGE);
2657
2658         /* force GPU reupload, all image is invalid */
2659         GPU_free_image(ima);
2660
2661         WM_event_add_notifier(C, NC_IMAGE | NA_EDITED, ima);
2662
2663         BKE_image_release_ibuf(ima, ibuf, NULL);
2664
2665         return OPERATOR_FINISHED;
2666 }
2667
2668 void IMAGE_OT_invert(wmOperatorType *ot)
2669 {
2670         PropertyRNA *prop;
2671
2672         /* identifiers */
2673         ot->name = "Invert Channels";
2674         ot->idname = "IMAGE_OT_invert";
2675         ot->description = "Invert image's channels";
2676         
2677         /* api callbacks */
2678         ot->exec = image_invert_exec;
2679         ot->poll = image_invert_poll;
2680         
2681         /* properties */
2682         prop = RNA_def_boolean(ot->srna, "invert_r", 0, "Red", "Invert Red Channel");
2683         RNA_def_property_flag(prop, PROP_SKIP_SAVE);
2684         prop = RNA_def_boolean(ot->srna, "invert_g", 0, "Green", "Invert Green Channel");
2685         RNA_def_property_flag(prop, PROP_SKIP_SAVE);
2686         prop = RNA_def_boolean(ot->srna, "invert_b", 0, "Blue", "Invert Blue Channel");
2687         RNA_def_property_flag(prop, PROP_SKIP_SAVE);
2688         prop = RNA_def_boolean(ot->srna, "invert_a", 0, "Alpha", "Invert Alpha Channel");
2689         RNA_def_property_flag(prop, PROP_SKIP_SAVE);
2690         
2691         /* flags */
2692         ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
2693 }
2694
2695 /********************* pack operator *********************/
2696
2697 static bool image_pack_test(bContext *C, wmOperator *op)
2698 {
2699         Image *ima = CTX_data_edit_image(C);
2700         const bool as_png = RNA_boolean_get(op->ptr, "as_png");
2701
2702         if (!ima)
2703                 return 0;
2704         if (!as_png && BKE_image_has_packedfile(ima))
2705                 return 0;
2706
2707         if (ima->source == IMA_SRC_SEQUENCE || ima->source == IMA_SRC_MOVIE) {
2708                 BKE_report(op->reports, RPT_ERROR, "Packing movies or image sequences not supported");
2709                 return 0;
2710         }
2711
2712         return 1;
2713 }
2714
2715 static int image_pack_exec(bContext *C, wmOperator *op)
2716 {
2717         struct Main *bmain = CTX_data_main(C);
2718         Image *ima = CTX_data_edit_image(C);
2719         ImBuf *ibuf = BKE_image_acquire_ibuf(ima, NULL, NULL);
2720         const bool as_png = RNA_boolean_get(op->ptr, "as_png");
2721
2722         if (!image_pack_test(C, op))
2723                 return OPERATOR_CANCELLED;
2724         
2725         if (!as_png && (ibuf && (ibuf->userflags & IB_BITMAPDIRTY))) {
2726                 BKE_report(op->reports, RPT_ERROR, "Cannot pack edited image from disk, only as internal PNG");
2727                 return OPERATOR_CANCELLED;
2728         }
2729
2730         if (as_png)
2731                 BKE_image_memorypack(ima);
2732         else
2733                 BKE_image_packfiles(op->reports, ima, ID_BLEND_PATH(bmain, &ima->id));
2734
2735         WM_event_add_notifier(C, NC_IMAGE | NA_EDITED, ima);
2736
2737         BKE_image_release_ibuf(ima, ibuf, NULL);
2738
2739         return OPERATOR_FINISHED;
2740 }
2741
2742 static int image_pack_invoke(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
2743 {
2744         Image *ima = CTX_data_edit_image(C);
2745         ImBuf *ibuf;
2746         uiPopupMenu *pup;
2747         uiLayout *layout;
2748         const bool as_png = RNA_boolean_get(op->ptr, "as_png");
2749
2750         if (!image_pack_test(C, op))
2751                 return OPERATOR_CANCELLED;
2752
2753         ibuf = BKE_image_acquire_ibuf(ima, NULL, NULL);
2754
2755         if (!as_png && (ibuf && (ibuf->userflags & IB_BITMAPDIRTY))) {
2756                 pup = UI_popup_menu_begin(C, IFACE_("OK"), ICON_QUESTION);
2757                 layout = UI_popup_menu_layout(pup);
2758                 uiItemBooleanO(layout, IFACE_("Can't pack edited image from disk, pack as internal PNG?"), ICON_NONE,
2759                                op->idname, "as_png", 1);
2760                 UI_popup_menu_end(C, pup);
2761
2762                 BKE_image_release_ibuf(ima, ibuf, NULL);
2763
2764                 return OPERATOR_INTERFACE;
2765         }
2766
2767         BKE_image_release_ibuf(ima, ibuf, NULL);
2768
2769         return image_pack_exec(C, op);
2770 }
2771
2772 void IMAGE_OT_pack(wmOperatorType *ot)
2773 {
2774         /* identifiers */
2775         ot->name = "Pack Image";
2776         ot->description = "Pack an image as embedded data into the .blend file"; 
2777         ot->idname = "IMAGE_OT_pack";
2778         
2779         /* api callbacks */
2780         ot->exec = image_pack_exec;
2781         ot->invoke = image_pack_invoke;
2782
2783         /* flags */
2784         ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
2785
2786         /* properties */
2787         RNA_def_boolean(ot->srna, "as_png", 0, "Pack As PNG", "Pack image as lossless PNG");
2788 }
2789
2790 /********************* unpack operator *********************/
2791
2792 static int image_unpack_exec(bContext *C, wmOperator *op)
2793 {
2794         Image *ima = CTX_data_edit_image(C);
2795         int method = RNA_enum_get(op->ptr, "method");
2796
2797         /* find the suppplied image by name */
2798         if (RNA_struct_property_is_set(op->ptr, "id")) {
2799                 char imaname[MAX_ID_NAME - 2];
2800                 RNA_string_get(op->ptr, "id", imaname);
2801                 ima = BLI_findstring(&CTX_data_main(C)->image, imaname, offsetof(ID, name) + 2);
2802                 if (!ima) ima = CTX_data_edit_image(C);
2803         }
2804         
2805         if (!ima || !BKE_image_has_packedfile(ima))
2806                 return OPERATOR_CANCELLED;
2807
2808         if (ima->source == IMA_SRC_SEQUENCE || ima->source == IMA_SRC_MOVIE) {
2809                 BKE_report(op->reports, RPT_ERROR, "Unpacking movies or image sequences not supported");
2810                 return OPERATOR_CANCELLED;
2811         }
2812
2813         if (G.fileflags & G_AUTOPACK)
2814                 BKE_report(op->reports, RPT_WARNING, "AutoPack is enabled, so image will be packed again on file save");
2815         
2816         /* XXX unpackImage frees image buffers */
2817         ED_preview_kill_jobs(CTX_wm_manager(C), CTX_data_main(C));
2818         
2819         unpackImage(op->reports, ima, method);
2820         
2821         WM_event_add_notifier(C, NC_IMAGE | NA_EDITED, ima);
2822
2823         return OPERATOR_FINISHED;
2824 }
2825
2826 static int image_unpack_invoke(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
2827 {
2828         Image *ima = CTX_data_edit_image(C);
2829
2830         if (RNA_struct_property_is_set(op->ptr, "id"))
2831                 return image_unpack_exec(C, op);
2832                 
2833         if (!ima || !BKE_image_has_packedfile(ima))
2834                 return OPERATOR_CANCELLED;
2835
2836         if (ima->source == IMA_SRC_SEQUENCE || ima->source == IMA_SRC_MOVIE) {
2837                 BKE_report(op->reports, RPT_ERROR, "Unpacking movies or image sequences not supported");
2838                 return OPERATOR_CANCELLED;
2839         }
2840
2841         if (G.fileflags & G_AUTOPACK)
2842                 BKE_report(op->reports, RPT_WARNING, "AutoPack is enabled, so image will be packed again on file save");
2843
2844         unpack_menu(C, "IMAGE_OT_unpack", ima->id.name + 2, ima->name, "textures", BKE_image_has_packedfile(ima) ? ((ImagePackedFile *)ima->packedfiles.first)->packedfile : NULL);
2845
2846         return OPERATOR_FINISHED;
2847 }
2848
2849 void IMAGE_OT_unpack(wmOperatorType *ot)
2850 {
2851         /* identifiers */
2852         ot->name = "Unpack Image";
2853         ot->description = "Save an image packed in the .blend file to disk"; 
2854         ot->idname = "IMAGE_OT_unpack";
2855         
2856         /* api callbacks */
2857         ot->exec = image_unpack_exec;
2858         ot->invoke = image_unpack_invoke;
2859
2860         /* flags */
2861         ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO;
2862         
2863         /* properties */
2864         RNA_def_enum(ot->srna, "method", rna_enum_unpack_method_items, PF_USE_LOCAL, "Method", "How to unpack");
2865         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 */
2866 }
2867
2868 /******************** sample image operator ********************/
2869
2870 typedef struct ImageSampleInfo {
2871         ARegionType *art;
2872         void *draw_handle;
2873         int x, y;
2874         int channels;
2875
2876         unsigned char col[4];
2877         float colf[4];
2878         float linearcol[4];
2879         int z;
2880         float zf;
2881
2882         unsigned char *colp;
2883         const float *colfp;
2884         int *zp;
2885         float *zfp;
2886
2887         bool draw;
2888         bool color_manage;
2889         int use_default_view;
2890 } ImageSampleInfo;
2891
2892 static void image_sample_draw(const bContext *C, ARegion *ar, void *arg_info)
2893 {
2894         ImageSampleInfo *info = arg_info;
2895         if (info->draw) {
2896                 Scene *scene = CTX_data_scene(C);
2897
2898                 ED_image_draw_info(scene, ar, info->color_manage, info->use_default_view, info->channels,
2899                                    info->x, info->y, info->colp, info->colfp, info->linearcol, info->zp, info->zfp);
2900         }
2901 }
2902
2903 /* Returns color in linear space, matching ED_space_node_color_sample(). */
2904 bool ED_space_image_color_sample(SpaceImage *sima, ARegion *ar, int mval[2], float r_col[3])
2905 {
2906         void *lock;
2907         ImBuf *ibuf = ED_space_image_acquire_buffer(sima, &lock);
2908         float fx, fy;
2909         bool ret = false;
2910
2911         if (ibuf == NULL) {
2912                 ED_space_image_release_buffer(sima, ibuf, lock);
2913                 return false;
2914         }
2915
2916         UI_view2d_region_to_view(&ar->v2d, mval[0], mval[1], &fx, &fy);
2917
2918         if (fx >= 0.0f && fy >= 0.0f && fx < 1.0f && fy < 1.0f) {
2919                 const float *fp;
2920                 unsigned char *cp;
2921                 int x = (int)(fx * ibuf->x), y = (int)(fy * ibuf->y);
2922
2923                 CLAMP(x, 0, ibuf->x - 1);
2924                 CLAMP(y, 0, ibuf->y - 1);
2925
2926                 if (ibuf->rect_float) {
2927                         fp = (ibuf->rect_float + (ibuf->channels) * (y * ibuf->x + x));
2928                         copy_v3_v3(r_col, fp);
2929                         ret = true;
2930                 }
2931                 else if (ibuf->rect) {
2932                         cp = (unsigned char *)(ibuf->rect + y * ibuf->x + x);
2933                         rgb_uchar_to_float(r_col, cp);
2934                         IMB_colormanagement_colorspace_to_scene_linear_v3(r_col, ibuf->rect_colorspace);
2935                         ret = true;
2936                 }
2937         }
2938
2939         ED_space_image_release_buffer(sima, ibuf, lock);
2940         return ret;
2941 }
2942
2943 static void image_sample_apply(bContext *C, wmOperator *op, const wmEvent *event)
2944 {
2945         SpaceImage *sima = CTX_wm_space_image(C);
2946         ARegion *ar = CTX_wm_region(C);
2947         void *lock;
2948         ImBuf *ibuf = ED_space_image_acquire_buffer(sima, &lock);
2949         ImageSampleInfo *info = op->customdata;
2950         float fx, fy;
2951         Scene *scene = CTX_data_scene(C);
2952         CurveMapping *curve_mapping = scene->view_settings.curve_mapping;
2953
2954         if (ibuf == NULL) {
2955                 ED_space_image_release_buffer(sima, ibuf, lock);
2956                 info->draw = false;
2957                 return;
2958         }
2959
2960         UI_view2d_region_to_view(&ar->v2d, event->mval[0], event->mval[1], &fx, &fy);
2961
2962         if (fx >= 0.0f && fy >= 0.0f && fx < 1.0f && fy < 1.0f) {
2963                 const float *fp;
2964                 unsigned char *cp;
2965                 int x = (int)(fx * ibuf->x), y = (int)(fy * ibuf->y);
2966                 Image *image = ED_space_image(sima);
2967
2968                 CLAMP(x, 0, ibuf->x - 1);
2969                 CLAMP(y, 0, ibuf->y - 1);
2970
2971                 info->x = x;
2972                 info->y = y;
2973                 info->draw = true;
2974                 info->channels = ibuf->channels;
2975
2976                 info->colp = NULL;
2977                 info->colfp = NULL;
2978                 info->zp = NULL;
2979                 info->zfp = NULL;
2980
2981                 info->use_default_view = (image->flag & IMA_VIEW_AS_RENDER) ? false : true;
2982
2983                 if (ibuf->rect) {
2984                         cp = (unsigned char *)(ibuf->rect + y * ibuf->x + x);
2985
2986                         info->col[0] = cp[0];
2987                         info->col[1] = cp[1];
2988                         info->col[2] = cp[2];
2989                         info->col[3] = cp[3];
2990                         info->colp = info->col;
2991
2992                         info->colf[0] = (float)cp[0] / 255.0f;
2993                         info->colf[1] = (float)cp[1] / 255.0f;
2994                         info->colf[2] = (float)cp[2] / 255.0f;
2995                         info->colf[3] = (float)cp[3] / 255.0f;
2996                         info->colfp = info->colf;
2997
2998                         copy_v4_v4(info->linearcol, info->colf);
2999                         IMB_colormanagement_colorspace_to_scene_linear_v4(info->linearcol, false, ibuf->rect_colorspace);
3000
3001                         info->color_manage = true;
3002                 }
3003                 if (ibuf->rect_float) {
3004                         fp = (ibuf->rect_float + (ibuf->channels) * (y * ibuf->x + x));
3005
3006                         if (ibuf->channels == 4) {
3007                                 info->colf[0] = fp[0];
3008                                 info->colf[1] = fp[1];
3009                                 info->colf[2] = fp[2];
3010                                 info->colf[3] = fp[3];
3011                         }
3012                         else if (ibuf->channels == 3) {
3013                                 info->colf[0] = fp[0];
3014                                 info->colf[1] = fp[1];
3015                                 info->colf[2] = fp[2];
3016                                 info->colf[3] = 1.0f;
3017                         }
3018                         else {
3019                                 info->colf[0] = fp[0];
3020                                 info->colf[1] = fp[0];
3021                                 info->colf[2] = fp[0];
3022                                 info->colf[3] = 1.0f;
3023                         }
3024                         info->colfp = info->colf;
3025
3026                         copy_v4_v4(info->linearcol, info->colf);
3027
3028                         info->color_manage = true;
3029                 }
3030
3031                 if (ibuf->zbuf) {
3032                         info->z = ibuf->zbuf[y * ibuf->x + x];
3033                         info->zp = &info->z;
3034                         if (ibuf->zbuf == (int *)ibuf->rect) {
3035                                 info->colp = NULL;
3036                         }
3037                 }
3038                 if (ibuf->zbuf_float) {
3039                         info->zf = ibuf->zbuf_float[y * ibuf->x + x];
3040                         info->zfp = &info->zf;
3041                         if (ibuf->zbuf_float == ibuf->rect_float) {
3042                                 info->colfp = NULL;
3043                         }
3044                 }
3045
3046                 if (curve_mapping && ibuf->channels == 4) {
3047                         /* we reuse this callback for set curves point operators */
3048                         if (RNA_struct_find_property(op->ptr, "point")) {
3049                                 int point = RNA_enum_get(op->ptr, "point");
3050
3051                                 if (point == 1) {
3052                                         curvemapping_set_black_white(curve_mapping, NULL, info->linearcol);
3053                                 }
3054                                 else if (point == 0) {
3055                                         curvemapping_set_black_white(curve_mapping, info->linearcol, NULL);
3056                                 }
3057                                 WM_event_add_notifier(C, NC_WINDOW, NULL);
3058                         }
3059                 }
3060
3061                 // XXX node curve integration ..
3062 #if 0
3063                 {
3064                         ScrArea *sa, *cur = curarea;
3065                         
3066                         node_curvemap_sample(fp);   /* sends global to node editor */
3067                         for (sa = G.curscreen->areabase.first; sa; sa = sa->next) {
3068                                 if (sa->spacetype == SPACE_NODE) {
3069                                         areawinset(sa->win);
3070                                         scrarea_do_windraw(sa);
3071                                 }
3072                         }
3073                         node_curvemap_sample(NULL);     /* clears global in node editor */
3074                         curarea = cur;
3075                 }
3076 #endif
3077         }
3078         else {
3079                 info->draw = 0;
3080         }
3081
3082         ED_space_image_release_buffer(sima, ibuf, lock);
3083         ED_area_tag_redraw(CTX_wm_area(C));
3084 }
3085
3086 static void image_sample_exit(bContext *C, wmOperator *op)
3087 {
3088         ImageSampleInfo *info = op->customdata;
3089
3090         ED_region_draw_cb_exit(info->art, info->draw_handle);
3091         ED_area_tag_redraw(CTX_wm_area(C));
3092         MEM_freeN(info);
3093 }
3094
3095 static int image_sample_invoke(bContext *C, wmOperator *op, const wmEvent *event)
3096 {
3097         SpaceImage *sima = CTX_wm_space_image(C);
3098         ARegion *ar = CTX_wm_region(C);
3099         ImageSampleInfo *info;
3100
3101         if (ar->regiontype == RGN_TYPE_WINDOW) {
3102                 if (event->mval[1] <= 16 && ED_space_image_show_cache(sima)) {
3103                         return OPERATOR_PASS_THROUGH;
3104                 }
3105         }
3106
3107         if (!ED_space_image_has_buffer(sima))
3108                 return OPERATOR_CANCELLED;
3109         
3110         info = MEM_callocN(sizeof(ImageSampleInfo), "ImageSampleInfo");
3111         info->art = ar->type;
3112         info->draw_handle = ED_region_draw_cb_activate(ar->type, image_sample_draw, info, REGION_DRAW_POST_PIXEL);
3113         op->customdata = info;
3114
3115         image_sample_apply(C, op, event);
3116
3117         WM_event_add_modal_handler(C, op);
3118
3119         return OPERATOR_RUNNING_MODAL;
3120 }
3121
3122 static int image_sample_modal(bContext *C, wmOperator *op, const wmEvent *event)
3123 {
3124         switch (event->type) {
3125                 case LEFTMOUSE:
3126                 case RIGHTMOUSE: // XXX hardcoded
3127                         if (event->val == KM_RELEASE) {
3128                                 image_sample_exit(C, op);
3129                                 return OPERATOR_CANCELLED;
3130                         }
3131                         break;
3132                 case MOUSEMOVE:
3133                         image_sample_apply(C, op, event);
3134                         break;
3135         }
3136
3137         return OPERATOR_RUNNING_MODAL;
3138 }
3139
3140 static void image_sample_cancel(bContext *C, wmOperator *op)
3141 {
3142         image_sample_exit(C, op);
3143 }
3144
3145 void IMAGE_OT_sample(wmOperatorType *ot)
3146 {
3147         /* identifiers */
3148         ot->name = "Sample Color";
3149         ot->idname = "IMAGE_OT_sample";
3150         ot->description = "Use mouse to sample a color in current image";
3151         
3152         /* api callbacks */
3153         ot->invoke = image_sample_invoke;
3154         ot->modal = image_sample_modal;
3155         ot->cancel = image_sample_cancel;
3156         ot->poll = image_sample_poll;
3157
3158         /* flags */
3159         ot->flag = OPTYPE_BLOCKING;
3160 }
3161
3162 /******************** sample line operator ********************/
3163 static int image_sample_line_exec(bContext *C, wmOperator *op)
3164 {
3165         SpaceImage *sima = CTX_wm_space_image(C);
3166         ARegion *ar = CTX_wm_region(C);
3167         Scene *scene = CTX_data_scene(C);
3168
3169         int x_start = RNA_int_get(op->ptr, "xstart");
3170         int y_start = RNA_int_get(op->ptr, "ystart");
3171         int x_end = RNA_int_get(op->ptr, "xend");
3172         int y_end = RNA_int_get(op->ptr, "yend");
3173         
3174         void *lock;
3175         ImBuf *ibuf = ED_space_image_acquire_buffer(sima, &lock);
3176         Histogram *hist = &sima->sample_line_hist;
3177         
3178         float x1f, y1f, x2f, y2f;
3179         
3180         if (ibuf == NULL) {
3181                 ED_space_image_release_buffer(sima, ibuf, lock);
3182                 return OPERATOR_CANCELLED;
3183         }
3184         /* hmmmm */
3185         if (ibuf->channels < 3) {
3186                 ED_space_image_release_buffer(sima, ibuf, lock);
3187                 return OPERATOR_CANCELLED;
3188         }
3189         
3190         UI_view2d_region_to_view(&ar->v2d, x_start, y_start, &x1f, &y1f);
3191         UI_view2d_region_to_view(&ar->v2d, x_end, y_end, &x2f, &y2f);
3192
3193         hist->co[0][0] = x1f;
3194         hist->co[0][1] = y1f;
3195         hist->co[1][0] = x2f;
3196         hist->co[1][1] = y2f;
3197
3198         /* enable line drawing */
3199         hist->flag |= HISTO_FLAG_SAMPLELINE;
3200
3201         BKE_histogram_update_sample_line(hist, ibuf, &scene->view_settings, &scene->display_settings);
3202         
3203         /* reset y zoom */
3204         hist->ymax = 1.0f;
3205
3206         ED_space_image_release_buffer(sima, ibuf, lock);
3207         
3208         ED_area_tag_redraw(CTX_wm_area(C));
3209         
3210         return OPERATOR_FINISHED;
3211 }
3212
3213 static int image_sample_line_invoke(bContext *C, wmOperator *op, const wmEvent *event)
3214 {
3215         SpaceImage *sima = CTX_wm_space_image(C);
3216
3217         Histogram *hist = &sima->sample_line_hist;
3218         hist->flag &= ~HISTO_FLAG_SAMPLELINE;
3219
3220         if (!ED_space_image_has_buffer(sima))
3221                 return OPERATOR_CANCELLED;
3222         
3223         return WM_gesture_straightline_invoke(C, op, event);
3224 }
3225
3226 void IMAGE_OT_sample_line(wmOperatorType *ot)
3227 {
3228         /* identifiers */
3229         ot->name = "Sample Line";
3230         ot->idname = "IMAGE_OT_sample_line";
3231         ot->description = "Sample a line and show it in Scope panels";
3232         
3233         /* api callbacks */
3234         ot->invoke = image_sample_line_invoke;
3235         ot->modal = WM_gesture_straightline_modal;
3236         ot->exec = image_sample_line_exec;
3237         ot->poll = space_image_main_region_poll;
3238         ot->cancel = WM_gesture_straightline_cancel;
3239         
3240         /* flags */
3241         ot->flag = 0; /* no undo/register since this operates on the space */
3242         
3243         WM_operator_properties_gesture_straightline(ot, CURSOR_EDIT);
3244 }
3245
3246 /******************** set curve point operator ********************/
3247
3248 void IMAGE_OT_curves_point_set(wmOperatorType *ot)
3249 {
3250         static EnumPropertyItem point_items[] = {
3251                 {0, "BLACK_POINT", 0, "Black Point", ""},
3252                 {1, "WHITE_POINT", 0, "White Point", ""},
3253                 {0, NULL, 0, NULL, NULL}
3254         };
3255
3256         /* identifiers */
3257         ot->name = "Set Curves Point";