fixed crash when NDOF operators were called without an NDOF_MOTION event
[blender.git] / source / blender / editors / space_image / image_ops.c
1 /*
2  * $Id$
3  *
4  * ***** BEGIN GPL LICENSE BLOCK *****
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License
8  * as published by the Free Software Foundation; either version 2
9  * of the License, or (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software Foundation,
18  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19  *
20  * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
21  * All rights reserved.
22  *
23  * Contributor(s): Blender Foundation, 2002-2009, Xavier Thomas
24  *
25  * ***** END GPL LICENSE BLOCK *****
26  */
27
28 /** \file blender/editors/space_image/image_ops.c
29  *  \ingroup spimage
30  */
31
32
33 #include <stddef.h>
34 #include <string.h>
35 #include <stdlib.h>
36 #include <errno.h>
37
38 #include "MEM_guardedalloc.h"
39
40 #include "BLI_math.h"
41 #include "BLI_blenlib.h"
42 #include "BLI_utildefines.h"
43
44 #include "DNA_object_types.h"
45 #include "DNA_node_types.h"
46 #include "DNA_packedFile_types.h"
47 #include "DNA_scene_types.h"
48
49 #include "BKE_colortools.h"
50 #include "BKE_context.h"
51 #include "BKE_image.h"
52 #include "BKE_global.h"
53 #include "BKE_library.h"
54 #include "BKE_main.h"
55 #include "BKE_node.h"
56 #include "BKE_packedFile.h"
57 #include "BKE_report.h"
58 #include "BKE_screen.h"
59
60 #include "IMB_imbuf.h"
61 #include "IMB_imbuf_types.h"
62
63 #include "RE_pipeline.h"
64
65 #include "RNA_access.h"
66 #include "RNA_define.h"
67 #include "RNA_enum_types.h"
68
69 #include "ED_image.h"
70 #include "ED_render.h"
71 #include "ED_screen.h"
72 #include "ED_space_api.h"
73 #include "ED_uvedit.h"
74 #include "ED_util.h"
75
76 #include "UI_interface.h"
77 #include "UI_resources.h"
78 #include "UI_view2d.h"
79
80 #include "WM_api.h"
81 #include "WM_types.h"
82
83 #include "image_intern.h"
84
85 /******************** view navigation utilities *********************/
86
87 static void sima_zoom_set(SpaceImage *sima, ARegion *ar, float zoom)
88 {
89         float oldzoom= sima->zoom;
90         int width, height;
91
92         sima->zoom= zoom;
93
94         if (sima->zoom > 0.1f && sima->zoom < 4.0f)
95                 return;
96
97         /* check zoom limits */
98         ED_space_image_size(sima, &width, &height);
99
100         width *= sima->zoom;
101         height *= sima->zoom;
102
103         if((width < 4) && (height < 4))
104                 sima->zoom= oldzoom;
105         else if((ar->winrct.xmax - ar->winrct.xmin) <= sima->zoom)
106                 sima->zoom= oldzoom;
107         else if((ar->winrct.ymax - ar->winrct.ymin) <= sima->zoom)
108                 sima->zoom= oldzoom;
109 }
110
111 static void sima_zoom_set_factor(SpaceImage *sima, ARegion *ar, float zoomfac)
112 {
113         sima_zoom_set(sima, ar, sima->zoom*zoomfac);
114 }
115
116 #if 0 // currently unused
117 static int image_poll(bContext *C)
118 {
119         return (CTX_data_edit_image(C) != NULL);
120 }
121 #endif
122
123 static int space_image_buffer_exists_poll(bContext *C)
124 {
125         SpaceImage *sima= CTX_wm_space_image(C);
126         if(sima && sima->spacetype==SPACE_IMAGE)
127                 if(ED_space_image_has_buffer(sima))
128                         return 1;
129         return 0;
130 }
131
132 static int space_image_file_exists_poll(bContext *C)
133 {
134         if(space_image_buffer_exists_poll(C)) {
135                 Main *bmain= CTX_data_main(C);
136                 SpaceImage *sima= CTX_wm_space_image(C);
137                 ImBuf *ibuf;
138                 void *lock;
139                 int poll= 0;
140                 char name[FILE_MAX];
141
142                 ibuf= ED_space_image_acquire_buffer(sima, &lock);
143                 if(ibuf) {
144                         BLI_strncpy(name, ibuf->name, FILE_MAX);
145                         BLI_path_abs(name, bmain->name);
146                         poll= (BLI_exists(name) && BLI_is_writable(name));
147                 }
148                 ED_space_image_release_buffer(sima, lock);
149
150                 return poll;
151         }
152         return 0;
153 }
154
155 static int space_image_poll(bContext *C)
156 {
157         SpaceImage *sima= CTX_wm_space_image(C);
158         if(sima && sima->spacetype==SPACE_IMAGE && sima->image)
159                 return 1;
160         return 0;
161 }
162
163 int space_image_main_area_poll(bContext *C)
164 {
165         SpaceImage *sima= CTX_wm_space_image(C);
166         // XXX ARegion *ar= CTX_wm_region(C);
167
168         if(sima)
169                 return 1; // XXX (ar && ar->type->regionid == RGN_TYPE_WINDOW);
170         
171         return 0;
172 }
173
174 /********************** view pan operator *********************/
175
176 typedef struct ViewPanData {
177         float x, y;
178         float xof, yof;
179         int event_type;
180 } ViewPanData;
181
182 static void view_pan_init(bContext *C, wmOperator *op, wmEvent *event)
183 {
184         SpaceImage *sima= CTX_wm_space_image(C);
185         ViewPanData *vpd;
186
187         op->customdata= vpd= MEM_callocN(sizeof(ViewPanData), "ImageViewPanData");
188         WM_cursor_modal(CTX_wm_window(C), BC_NSEW_SCROLLCURSOR);
189
190         vpd->x= event->x;
191         vpd->y= event->y;
192         vpd->xof= sima->xof;
193         vpd->yof= sima->yof;
194         vpd->event_type= event->type;
195
196         WM_event_add_modal_handler(C, op);
197 }
198
199 static void view_pan_exit(bContext *C, wmOperator *op, int cancel)
200 {
201         SpaceImage *sima= CTX_wm_space_image(C);
202         ViewPanData *vpd= op->customdata;
203
204         if(cancel) {
205                 sima->xof= vpd->xof;
206                 sima->yof= vpd->yof;
207                 ED_region_tag_redraw(CTX_wm_region(C));
208         }
209
210         WM_cursor_restore(CTX_wm_window(C));
211         MEM_freeN(op->customdata);
212 }
213
214 static int view_pan_exec(bContext *C, wmOperator *op)
215 {
216         SpaceImage *sima= CTX_wm_space_image(C);
217         float offset[2];
218
219         RNA_float_get_array(op->ptr, "offset", offset);
220         sima->xof += offset[0];
221         sima->yof += offset[1];
222
223         ED_region_tag_redraw(CTX_wm_region(C));
224
225         /* XXX notifier? */
226 #if 0
227         if(image_preview_active(curarea, NULL, NULL)) {
228                 /* recalculates new preview rect */
229                 scrarea_do_windraw(curarea);
230                 image_preview_event(2);
231         }
232 #endif
233         
234         return OPERATOR_FINISHED;
235 }
236
237 static int view_pan_invoke(bContext *C, wmOperator *op, wmEvent *event)
238 {
239         if (event->type == MOUSEPAN) {
240                 SpaceImage *sima= CTX_wm_space_image(C);
241                 float offset[2];
242                 
243                 offset[0]= (event->x - event->prevx)/sima->zoom;
244                 offset[1]= (event->y - event->prevy)/sima->zoom;
245                 RNA_float_set_array(op->ptr, "offset", offset);
246
247                 view_pan_exec(C, op);
248                 return OPERATOR_FINISHED;
249         }
250         else {
251                 view_pan_init(C, op, event);
252                 return OPERATOR_RUNNING_MODAL;
253         }
254 }
255
256 static int view_pan_modal(bContext *C, wmOperator *op, wmEvent *event)
257 {
258         SpaceImage *sima= CTX_wm_space_image(C);
259         ViewPanData *vpd= op->customdata;
260         float offset[2];
261
262         switch(event->type) {
263                 case MOUSEMOVE:
264                         sima->xof= vpd->xof;
265                         sima->yof= vpd->yof;
266                         offset[0]= (vpd->x - event->x)/sima->zoom;
267                         offset[1]= (vpd->y - event->y)/sima->zoom;
268                         RNA_float_set_array(op->ptr, "offset", offset);
269                         view_pan_exec(C, op);
270                         break;
271                 default:
272                         if(event->type==vpd->event_type &&  event->val==KM_RELEASE) {
273                                 view_pan_exit(C, op, 0);
274                                 return OPERATOR_FINISHED;
275                         }
276                         break;
277         }
278
279         return OPERATOR_RUNNING_MODAL;
280 }
281
282 static int view_pan_cancel(bContext *C, wmOperator *op)
283 {
284         view_pan_exit(C, op, 1);
285         return OPERATOR_CANCELLED;
286 }
287
288 void IMAGE_OT_view_pan(wmOperatorType *ot)
289 {
290         /* identifiers */
291         ot->name= "View Pan";
292         ot->idname= "IMAGE_OT_view_pan";
293         
294         /* api callbacks */
295         ot->exec= view_pan_exec;
296         ot->invoke= view_pan_invoke;
297         ot->modal= view_pan_modal;
298         ot->cancel= view_pan_cancel;
299         ot->poll= space_image_main_area_poll;
300
301         /* flags */
302         ot->flag= OPTYPE_BLOCKING;
303         
304         /* properties */
305         RNA_def_float_vector(ot->srna, "offset", 2, NULL, -FLT_MAX, FLT_MAX,
306                 "Offset", "Offset in floating point units, 1.0 is the width and height of the image.", -FLT_MAX, FLT_MAX);
307 }
308
309 /********************** view zoom operator *********************/
310
311 typedef struct ViewZoomData {
312         float x, y;
313         float zoom;
314         int event_type;
315 } ViewZoomData;
316
317 static void view_zoom_init(bContext *C, wmOperator *op, wmEvent *event)
318 {
319         SpaceImage *sima= CTX_wm_space_image(C);
320         ViewZoomData *vpd;
321
322         op->customdata= vpd= MEM_callocN(sizeof(ViewZoomData), "ImageViewZoomData");
323         WM_cursor_modal(CTX_wm_window(C), BC_NSEW_SCROLLCURSOR);
324
325         vpd->x= event->x;
326         vpd->y= event->y;
327         vpd->zoom= sima->zoom;
328         vpd->event_type= event->type;
329         
330         WM_event_add_modal_handler(C, op);
331 }
332
333 static void view_zoom_exit(bContext *C, wmOperator *op, int cancel)
334 {
335         SpaceImage *sima= CTX_wm_space_image(C);
336         ViewZoomData *vpd= op->customdata;
337
338         if(cancel) {
339                 sima->zoom= vpd->zoom;
340                 ED_region_tag_redraw(CTX_wm_region(C));
341         }
342
343         WM_cursor_restore(CTX_wm_window(C));
344         MEM_freeN(op->customdata);
345 }
346
347 static int view_zoom_exec(bContext *C, wmOperator *op)
348 {
349         SpaceImage *sima= CTX_wm_space_image(C);
350         ARegion *ar= CTX_wm_region(C);
351
352         sima_zoom_set_factor(sima, ar, RNA_float_get(op->ptr, "factor"));
353
354         ED_region_tag_redraw(CTX_wm_region(C));
355
356         /* XXX notifier? */
357 #if 0
358         if(image_preview_active(curarea, NULL, NULL)) {
359                 /* recalculates new preview rect */
360                 scrarea_do_windraw(curarea);
361                 image_preview_event(2);
362         }
363 #endif
364         
365         return OPERATOR_FINISHED;
366 }
367
368 static int view_zoom_invoke(bContext *C, wmOperator *op, wmEvent *event)
369 {
370         if (event->type == MOUSEZOOM) {
371                 SpaceImage *sima= CTX_wm_space_image(C);
372                 ARegion *ar= CTX_wm_region(C);
373                 float factor;
374                 
375                 factor= 1.0f + (event->x-event->prevx+event->y-event->prevy)/300.0f;
376                 RNA_float_set(op->ptr, "factor", factor);
377                 sima_zoom_set(sima, ar, sima->zoom*factor);
378                 ED_region_tag_redraw(CTX_wm_region(C));
379                 
380                 return OPERATOR_FINISHED;
381         }
382         else {
383                 view_zoom_init(C, op, event);
384                 return OPERATOR_RUNNING_MODAL;
385         }
386 }
387
388 static int view_zoom_modal(bContext *C, wmOperator *op, wmEvent *event)
389 {
390         SpaceImage *sima= CTX_wm_space_image(C);
391         ARegion *ar= CTX_wm_region(C);
392         ViewZoomData *vpd= op->customdata;
393         float factor;
394
395         switch(event->type) {
396                 case MOUSEMOVE:
397                         factor= 1.0f + (vpd->x-event->x+vpd->y-event->y)/300.0f;
398                         RNA_float_set(op->ptr, "factor", factor);
399                         sima_zoom_set(sima, ar, vpd->zoom*factor);
400                         ED_region_tag_redraw(CTX_wm_region(C));
401                         break;
402                 default:
403                         if(event->type==vpd->event_type && event->val==KM_RELEASE) {
404                                 view_zoom_exit(C, op, 0);
405                                 return OPERATOR_FINISHED;
406                         }
407                         break;
408         }
409
410         return OPERATOR_RUNNING_MODAL;
411 }
412
413 static int view_zoom_cancel(bContext *C, wmOperator *op)
414 {
415         view_zoom_exit(C, op, 1);
416         return OPERATOR_CANCELLED;
417 }
418
419 void IMAGE_OT_view_zoom(wmOperatorType *ot)
420 {
421         /* identifiers */
422         ot->name= "View Zoom";
423         ot->idname= "IMAGE_OT_view_zoom";
424         
425         /* api callbacks */
426         ot->exec= view_zoom_exec;
427         ot->invoke= view_zoom_invoke;
428         ot->modal= view_zoom_modal;
429         ot->cancel= view_zoom_cancel;
430         ot->poll= space_image_main_area_poll;
431
432         /* flags */
433         ot->flag= OPTYPE_BLOCKING;
434         
435         /* properties */
436         RNA_def_float(ot->srna, "factor", 0.0f, 0.0f, FLT_MAX,
437                 "Factor", "Zoom factor, values higher than 1.0 zoom in, lower values zoom out.", -FLT_MAX, FLT_MAX);
438 }
439
440 /********************** NDOF operator *********************/
441
442 /* Combined pan/zoom from a 3D mouse device.
443  * Z zooms, XY pans
444  * "view" (not "paper") control -- user moves the viewpoint, not the image being viewed
445  * that explains the negative signs in the code below
446  */
447
448 static int view_ndof_invoke(bContext *C, wmOperator *UNUSED(op), wmEvent *event)
449 {
450         if (event->type != NDOF_MOTION)
451                 return OPERATOR_CANCELLED;
452         else {
453                 SpaceImage *sima= CTX_wm_space_image(C);
454                 ARegion *ar= CTX_wm_region(C);
455
456                 wmNDOFMotionData* ndof = (wmNDOFMotionData*) event->customdata;
457
458                 float dt = ndof->dt;
459                 /* tune these until it feels right */
460                 const float zoom_sensitivity = 0.5f; // 50% per second (I think)
461                 const float pan_sensitivity = 300.f; // screen pixels per second
462
463                 float pan_x = pan_sensitivity * dt * ndof->tvec[0] / sima->zoom;
464                 float pan_y = pan_sensitivity * dt * ndof->tvec[1] / sima->zoom;
465
466                 /* "mouse zoom" factor = 1 + (dx + dy) / 300
467                  * what about "ndof zoom" factor? should behave like this:
468                  * at rest -> factor = 1
469                  * move forward -> factor > 1
470                  * move backward -> factor < 1
471                  */
472                 float zoom_factor = 1.f + zoom_sensitivity * dt * -ndof->tvec[2];
473
474                 if (U.ndof_flag & NDOF_ZOOM_INVERT)
475                         zoom_factor = -zoom_factor;
476
477                 sima_zoom_set_factor(sima, ar, zoom_factor);
478                 sima->xof += pan_x;
479                 sima->yof += pan_y;
480
481                 ED_region_tag_redraw(ar);       
482
483                 return OPERATOR_FINISHED;
484         }
485 }
486
487 void IMAGE_OT_view_ndof(wmOperatorType *ot)
488 {
489         /* identifiers */
490         ot->name= "NDOF Pan/Zoom";
491         ot->idname= "IMAGE_OT_view_ndof";
492         
493         /* api callbacks */
494         ot->invoke= view_ndof_invoke;
495 }
496
497 /********************** view all operator *********************/
498
499 /* Updates the fields of the View2D member of the SpaceImage struct.
500  * Default behavior is to reset the position of the image and set the zoom to 1
501  * If the image will not fit within the window rectangle, the zoom is adjusted */
502
503 static int view_all_exec(bContext *C, wmOperator *UNUSED(op))
504 {
505         SpaceImage *sima;
506         ARegion *ar;
507         float aspx, aspy, zoomx, zoomy, w, h;
508         int width, height;
509
510         /* retrieve state */
511         sima= CTX_wm_space_image(C);
512         ar= CTX_wm_region(C);
513
514         ED_space_image_size(sima, &width, &height);
515         ED_space_image_aspect(sima, &aspx, &aspy);
516
517         w= width*aspx;
518         h= height*aspy;
519         
520         /* check if the image will fit in the image with zoom==1 */
521         width = ar->winrct.xmax - ar->winrct.xmin + 1;
522         height = ar->winrct.ymax - ar->winrct.ymin + 1;
523
524         if((w >= width || h >= height) && (width > 0 && height > 0)) {
525                 /* find the zoom value that will fit the image in the image space */
526                 zoomx= width/w;
527                 zoomy= height/h;
528                 sima_zoom_set(sima, ar, 1.0f/power_of_2(1/MIN2(zoomx, zoomy)));
529         }
530         else
531                 sima_zoom_set(sima, ar, 1.0f);
532
533         sima->xof= sima->yof= 0.0f;
534
535         ED_region_tag_redraw(CTX_wm_region(C));
536         
537         return OPERATOR_FINISHED;
538 }
539
540 void IMAGE_OT_view_all(wmOperatorType *ot)
541 {
542         /* identifiers */
543         ot->name= "View All";
544         ot->idname= "IMAGE_OT_view_all";
545         
546         /* api callbacks */
547         ot->exec= view_all_exec;
548         ot->poll= space_image_main_area_poll;
549 }
550
551 /********************** view selected operator *********************/
552
553 static int view_selected_exec(bContext *C, wmOperator *UNUSED(op))
554 {
555         SpaceImage *sima;
556         ARegion *ar;
557         Scene *scene;
558         Object *obedit;
559         Image *ima;
560         float size, min[2], max[2], d[2], aspx, aspy;
561         int width, height;
562
563         /* retrieve state */
564         sima= CTX_wm_space_image(C);
565         ar= CTX_wm_region(C);
566         scene= (Scene*)CTX_data_scene(C);
567         obedit= CTX_data_edit_object(C);
568
569         ima= ED_space_image(sima);
570         ED_space_image_size(sima, &width, &height);
571         ED_image_aspect(ima, &aspx, &aspy);
572
573         width= width*aspx;
574         height= height*aspy;
575
576         /* get bounds */
577         if(!ED_uvedit_minmax(scene, ima, obedit, min, max))
578                 return OPERATOR_CANCELLED;
579
580         /* adjust offset and zoom */
581         sima->xof= (int)(((min[0] + max[0])*0.5f - 0.5f)*width);
582         sima->yof= (int)(((min[1] + max[1])*0.5f - 0.5f)*height);
583
584         d[0]= max[0] - min[0];
585         d[1]= max[1] - min[1];
586         size= 0.5f*MAX2(d[0], d[1])*MAX2(width, height)/256.0f;
587         
588         if(size<=0.01f) size= 0.01f;
589         sima_zoom_set(sima, ar, 0.7f/size);
590
591         ED_region_tag_redraw(CTX_wm_region(C));
592         
593         return OPERATOR_FINISHED;
594 }
595
596 static int view_selected_poll(bContext *C)
597 {
598         return (space_image_main_area_poll(C) && ED_operator_uvedit(C));
599 }
600
601 void IMAGE_OT_view_selected(wmOperatorType *ot)
602 {
603         /* identifiers */
604         ot->name= "View Center";
605         ot->idname= "IMAGE_OT_view_selected";
606         
607         /* api callbacks */
608         ot->exec= view_selected_exec;
609         ot->poll= view_selected_poll;
610 }
611
612 /********************** view zoom in/out operator *********************/
613
614 static int view_zoom_in_exec(bContext *C, wmOperator *UNUSED(op))
615 {
616         SpaceImage *sima= CTX_wm_space_image(C);
617         ARegion *ar= CTX_wm_region(C);
618
619         sima_zoom_set_factor(sima, ar, 1.25f);
620
621         ED_region_tag_redraw(CTX_wm_region(C));
622         
623         return OPERATOR_FINISHED;
624 }
625
626 void IMAGE_OT_view_zoom_in(wmOperatorType *ot)
627 {
628         /* identifiers */
629         ot->name= "View Zoom In";
630         ot->idname= "IMAGE_OT_view_zoom_in";
631         
632         /* api callbacks */
633         ot->exec= view_zoom_in_exec;
634         ot->poll= space_image_main_area_poll;
635 }
636
637 static int view_zoom_out_exec(bContext *C, wmOperator *UNUSED(op))
638 {
639         SpaceImage *sima= CTX_wm_space_image(C);
640         ARegion *ar= CTX_wm_region(C);
641
642         sima_zoom_set_factor(sima, ar, 0.8f);
643
644         ED_region_tag_redraw(CTX_wm_region(C));
645         
646         return OPERATOR_FINISHED;
647 }
648
649 void IMAGE_OT_view_zoom_out(wmOperatorType *ot)
650 {
651         /* identifiers */
652         ot->name= "View Zoom Out";
653         ot->idname= "IMAGE_OT_view_zoom_out";
654         
655         /* api callbacks */
656         ot->exec= view_zoom_out_exec;
657         ot->poll= space_image_main_area_poll;
658 }
659
660 /********************** view zoom ratio operator *********************/
661
662 static int view_zoom_ratio_exec(bContext *C, wmOperator *op)
663 {
664         SpaceImage *sima= CTX_wm_space_image(C);
665         ARegion *ar= CTX_wm_region(C);
666
667         sima_zoom_set(sima, ar, RNA_float_get(op->ptr, "ratio"));
668         
669         /* ensure pixel exact locations for draw */
670         sima->xof= (int)sima->xof;
671         sima->yof= (int)sima->yof;
672
673         /* XXX notifier? */
674 #if 0
675         if(image_preview_active(curarea, NULL, NULL)) {
676                 /* recalculates new preview rect */
677                 scrarea_do_windraw(curarea);
678                 image_preview_event(2);
679         }
680 #endif
681
682         ED_region_tag_redraw(CTX_wm_region(C));
683         
684         return OPERATOR_FINISHED;
685 }
686
687 void IMAGE_OT_view_zoom_ratio(wmOperatorType *ot)
688 {
689         /* identifiers */
690         ot->name= "View Zoom Ratio";
691         ot->idname= "IMAGE_OT_view_zoom_ratio";
692         
693         /* api callbacks */
694         ot->exec= view_zoom_ratio_exec;
695         ot->poll= space_image_main_area_poll;
696         
697         /* properties */
698         RNA_def_float(ot->srna, "ratio", 0.0f, 0.0f, FLT_MAX,
699                 "Ratio", "Zoom ratio, 1.0 is 1:1, higher is zoomed in, lower is zoomed out.", -FLT_MAX, FLT_MAX);
700 }
701
702 /**************** load/replace/save callbacks ******************/
703
704 /* XXX make dynamic */
705 static const EnumPropertyItem image_file_type_items[] = {
706                 {R_TARGA, "TARGA", 0, "Targa", ""},
707                 {R_RAWTGA, "TARGA RAW", 0, "Targa Raw", ""},
708                 {R_PNG, "PNG", 0, "PNG", ""},
709 #ifdef WITH_DDS
710                 {R_DDS, "DDS", 0, "DirectDraw Surface", ""},
711 #endif
712                 {R_BMP, "BMP", 0, "BMP", ""},
713                 {R_JPEG90, "JPEG", 0, "Jpeg", ""},
714 #ifdef WITH_OPENJPEG
715                 {R_JP2, "JPEG_2000", 0, "Jpeg 2000", ""},
716 #endif
717                 {R_IRIS, "IRIS", 0, "Iris", ""},
718 #ifdef WITH_TIFF
719                 {R_TIFF, "TIFF", 0, "Tiff", ""},
720 #endif
721 #ifdef WITH_DDS
722                 {R_RADHDR, "RADIANCE_HDR", 0, "Radiance HDR", ""},
723 #endif
724 #ifdef WITH_CINEON
725                 {R_CINEON, "CINEON", 0, "Cineon", ""},
726                 {R_DPX, "DPX", 0, "DPX", ""},
727 #endif
728 #ifdef WITH_OPENEXR
729                 {R_OPENEXR, "OPENEXR", 0, "OpenEXR", ""},
730         /* saving sequences of multilayer won't work, they copy buffers  */
731         /*if(ima->source==IMA_SRC_SEQUENCE && ima->type==IMA_TYPE_MULTILAYER);
732         else*/
733                 {R_MULTILAYER, "MULTILAYER", 0, "MultiLayer", ""},
734 #endif  
735                 {0, NULL, 0, NULL, NULL}};
736
737 static void image_filesel(bContext *C, wmOperator *op, const char *path)
738 {
739         RNA_string_set(op->ptr, "filepath", path);
740         WM_event_add_fileselect(C, op); 
741 }
742
743 /******************** open image operator ********************/
744
745 static void open_init(bContext *C, wmOperator *op)
746 {
747         PropertyPointerRNA *pprop;
748
749         op->customdata= pprop= MEM_callocN(sizeof(PropertyPointerRNA), "OpenPropertyPointerRNA");
750         uiIDContextProperty(C, &pprop->ptr, &pprop->prop);
751 }
752
753 static int open_cancel(bContext *UNUSED(C), wmOperator *op)
754 {
755         MEM_freeN(op->customdata);
756         op->customdata= NULL;
757         return OPERATOR_CANCELLED;
758 }
759
760 static int open_exec(bContext *C, wmOperator *op)
761 {
762         SpaceImage *sima= CTX_wm_space_image(C); /* XXX other space types can call */
763         Scene *scene= CTX_data_scene(C);
764         Object *obedit= CTX_data_edit_object(C);
765         ImageUser *iuser= NULL;
766         PropertyPointerRNA *pprop;
767         PointerRNA idptr;
768         Image *ima= NULL;
769         char str[FILE_MAX];
770
771         RNA_string_get(op->ptr, "filepath", str);
772         /* default to frame 1 if there's no scene in context */
773
774         errno= 0;
775
776         ima= BKE_add_image_file(str);
777
778         if(!ima) {
779                 if(op->customdata) MEM_freeN(op->customdata);
780                 BKE_reportf(op->reports, RPT_ERROR, "Can't read: \"%s\", %s.", str, errno ? strerror(errno) : "Unsupported image format");
781                 return OPERATOR_CANCELLED;
782         }
783         
784         if(!op->customdata)
785                 open_init(C, op);
786
787         /* hook into UI */
788         pprop= op->customdata;
789
790         if(pprop->prop) {
791                 /* when creating new ID blocks, use is already 1, but RNA
792                  * pointer se also increases user, so this compensates it */
793                 ima->id.us--;
794
795                 RNA_id_pointer_create(&ima->id, &idptr);
796                 RNA_property_pointer_set(&pprop->ptr, pprop->prop, idptr);
797                 RNA_property_update(C, &pprop->ptr, pprop->prop);
798         }
799         else if(sima) {
800                 ED_space_image_set(C, sima, scene, obedit, ima);
801                 iuser= &sima->iuser;
802         }
803         else {
804                 Tex *tex= CTX_data_pointer_get_type(C, "texture", &RNA_Texture).data;
805                 if(tex && tex->type==TEX_IMAGE)
806                         iuser= &tex->iuser;
807                 
808         }
809         
810         /* initialize because of new image */
811         if(iuser) {
812                 iuser->sfra= 1;
813                 iuser->offset= 0;
814                 iuser->fie_ima= 2;
815         }
816
817         /* XXX unpackImage frees image buffers */
818         ED_preview_kill_jobs(C);
819         
820         BKE_image_signal(ima, iuser, IMA_SIGNAL_RELOAD);
821         WM_event_add_notifier(C, NC_IMAGE|NA_EDITED, ima);
822         
823         MEM_freeN(op->customdata);
824
825         return OPERATOR_FINISHED;
826 }
827
828 static int open_invoke(bContext *C, wmOperator *op, wmEvent *UNUSED(event))
829 {
830         SpaceImage *sima= CTX_wm_space_image(C); /* XXX other space types can call */
831         char *path=U.textudir;
832         Image *ima= NULL;
833
834         if(sima) {
835                 ima= sima->image;
836         }
837
838         if (ima==NULL) {
839                 Tex *tex= CTX_data_pointer_get_type(C, "texture", &RNA_Texture).data;
840                 if(tex && tex->type==TEX_IMAGE)
841                         ima= tex->ima;
842         }
843
844         if(ima)
845                 path= ima->name;
846         
847
848         if(!RNA_property_is_set(op->ptr, "relative_path"))
849                 RNA_boolean_set(op->ptr, "relative_path", U.flag & USER_RELPATHS);
850
851         if(RNA_property_is_set(op->ptr, "filepath"))
852                 return open_exec(C, op);
853         
854         open_init(C, op);
855
856         image_filesel(C, op, path);
857
858         return OPERATOR_RUNNING_MODAL;
859 }
860
861 /* called by other space types too */
862 void IMAGE_OT_open(wmOperatorType *ot)
863 {
864         /* identifiers */
865         ot->name= "Open Image";
866         ot->description= "Open image";
867         ot->idname= "IMAGE_OT_open";
868         
869         /* api callbacks */
870         ot->exec= open_exec;
871         ot->invoke= open_invoke;
872         ot->cancel= open_cancel;
873
874         /* flags */
875         ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
876
877         /* properties */
878         WM_operator_properties_filesel(ot, FOLDERFILE|IMAGEFILE|MOVIEFILE, FILE_SPECIAL, FILE_OPENFILE, WM_FILESEL_FILEPATH|WM_FILESEL_RELPATH);
879 }
880
881 /******************** replace image operator ********************/
882
883 static int replace_exec(bContext *C, wmOperator *op)
884 {
885         SpaceImage *sima= CTX_wm_space_image(C);
886         char str[FILE_MAX];
887
888         if(!sima->image)
889                 return OPERATOR_CANCELLED;
890         
891         RNA_string_get(op->ptr, "filepath", str);
892         BLI_strncpy(sima->image->name, str, sizeof(sima->image->name)); /* we cant do much if the str is longer then 240 :/ */
893
894         /* XXX unpackImage frees image buffers */
895         ED_preview_kill_jobs(C);
896         
897         BKE_image_signal(sima->image, &sima->iuser, IMA_SIGNAL_RELOAD);
898         WM_event_add_notifier(C, NC_IMAGE|NA_EDITED, sima->image);
899
900         return OPERATOR_FINISHED;
901 }
902
903 static int replace_invoke(bContext *C, wmOperator *op, wmEvent *UNUSED(event))
904 {
905         SpaceImage *sima= CTX_wm_space_image(C);
906
907         if(!sima->image)
908                 return OPERATOR_CANCELLED;
909
910         if(RNA_property_is_set(op->ptr, "filepath"))
911                 return replace_exec(C, op);
912
913         if(!RNA_property_is_set(op->ptr, "relative_path"))
914                 RNA_boolean_set(op->ptr, "relative_path", (strncmp(sima->image->name, "//", 2))==0);
915
916         image_filesel(C, op, sima->image->name);
917
918         return OPERATOR_RUNNING_MODAL;
919 }
920
921 void IMAGE_OT_replace(wmOperatorType *ot)
922 {
923         /* identifiers */
924         ot->name= "Replace Image";
925         ot->idname= "IMAGE_OT_replace";
926         
927         /* api callbacks */
928         ot->exec= replace_exec;
929         ot->invoke= replace_invoke;
930         ot->poll= space_image_poll;
931
932         /* flags */
933         ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
934
935         /* properties */
936         WM_operator_properties_filesel(ot, FOLDERFILE|IMAGEFILE|MOVIEFILE, FILE_SPECIAL, FILE_OPENFILE, WM_FILESEL_FILEPATH|WM_FILESEL_RELPATH);
937 }
938
939 /******************** save image as operator ********************/
940
941 /* assumes name is FILE_MAX */
942 /* ima->name and ibuf->name should end up the same */
943 static void save_image_doit(bContext *C, SpaceImage *sima, Scene *scene, wmOperator *op, char *path, int do_newpath)
944 {
945         Image *ima= ED_space_image(sima);
946         void *lock;
947         ImBuf *ibuf= ED_space_image_acquire_buffer(sima, &lock);
948
949         if (ibuf) {
950                 Main *bmain= CTX_data_main(C);
951                 const short relative= (RNA_struct_find_property(op->ptr, "relative_path") && RNA_boolean_get(op->ptr, "relative_path"));
952                 const short save_copy= (RNA_struct_find_property(op->ptr, "copy") && RNA_boolean_get(op->ptr, "copy"));
953                 short ok= FALSE;
954
955                 BLI_path_abs(path, bmain->name);
956                 /* old global to ensure a 2nd save goes to same dir */
957                 BLI_strncpy(G.ima, path, sizeof(G.ima));
958
959                 WM_cursor_wait(1);
960
961                 if(ima->type == IMA_TYPE_R_RESULT) {
962                         /* enforce user setting for RGB or RGBA, but skip BW */
963                         if(scene->r.planes==32) {
964                                 ibuf->depth= 32;
965                         }
966                         else if(scene->r.planes==24) {
967                                 ibuf->depth= 24;
968                         }
969                 }
970                 else {
971                         /* TODO, better solution, if a 24bit image is painted onto it may contain alpha */
972                         if(ibuf->userflags & IB_BITMAPDIRTY) { /* it has been painted onto */
973                                 /* checks each pixel, not ideal */
974                                 ibuf->depth= BKE_alphatest_ibuf(ibuf) ? 32 : 24;
975                         }
976                 }
977
978                 if(scene->r.scemode & R_EXTENSION)  {
979                         BKE_add_image_extension(path, sima->imtypenr);
980                 }
981                 
982                 if(sima->imtypenr==R_MULTILAYER) {
983                         RenderResult *rr= BKE_image_acquire_renderresult(scene, ima);
984                         if(rr) {
985                                 RE_WriteRenderResult(rr, path, scene->r.quality);
986                                 ok= TRUE;
987                         }
988                         else {
989                                 BKE_report(op->reports, RPT_ERROR, "Did not write, no Multilayer Image");
990                         }
991                         BKE_image_release_renderresult(scene, ima);
992                 }
993                 else if (BKE_write_ibuf(ibuf, path, sima->imtypenr, scene->r.subimtype, scene->r.quality)) {
994                         ok= TRUE;
995                 }
996
997                 if(ok)  {
998                         if(relative)
999                                 BLI_path_rel(path, bmain->name); /* only after saving */
1000
1001                         if(ibuf->name[0]==0) {
1002                                 BLI_strncpy(ibuf->name, path, sizeof(ibuf->name));
1003                                 BLI_strncpy(ima->name, path, sizeof(ima->name));
1004                         }
1005
1006                         if(!save_copy) {
1007                                 if(do_newpath) {
1008                                         BLI_strncpy(ima->name, path, sizeof(ima->name));
1009                                         BLI_strncpy(ibuf->name, path, sizeof(ibuf->name));
1010                                 }
1011
1012                                 ibuf->userflags &= ~IB_BITMAPDIRTY;
1013
1014                                 /* change type? */
1015                                 if(ima->type==IMA_TYPE_R_RESULT) {
1016                                         ima->type= IMA_TYPE_IMAGE;
1017
1018                                         /* workaround to ensure the render result buffer is no longer used
1019                                          * by this image, otherwise can crash when a new render result is
1020                                          * created. */
1021                                         if(ibuf->rect && !(ibuf->mall & IB_rect))
1022                                                 imb_freerectImBuf(ibuf);
1023                                         if(ibuf->rect_float && !(ibuf->mall & IB_rectfloat))
1024                                                 imb_freerectfloatImBuf(ibuf);
1025                                         if(ibuf->zbuf && !(ibuf->mall & IB_zbuf))
1026                                                 IMB_freezbufImBuf(ibuf);
1027                                         if(ibuf->zbuf_float && !(ibuf->mall & IB_zbuffloat))
1028                                                 IMB_freezbuffloatImBuf(ibuf);
1029                                 }
1030                                 if( ELEM(ima->source, IMA_SRC_GENERATED, IMA_SRC_VIEWER)) {
1031                                         ima->source= IMA_SRC_FILE;
1032                                         ima->type= IMA_TYPE_IMAGE;
1033                                 }
1034                         }
1035                 }
1036                 else {
1037                         BKE_reportf(op->reports, RPT_ERROR, "Couldn't write image: %s", path);
1038                 }
1039
1040
1041                 WM_event_add_notifier(C, NC_IMAGE|NA_EDITED, sima->image);
1042
1043                 WM_cursor_wait(0);
1044         }
1045
1046         ED_space_image_release_buffer(sima, lock);
1047 }
1048
1049 static int save_as_exec(bContext *C, wmOperator *op)
1050 {
1051         SpaceImage *sima= CTX_wm_space_image(C);
1052         Scene *scene= CTX_data_scene(C);
1053         Image *ima = ED_space_image(sima);
1054         char str[FILE_MAX];
1055
1056         if(!ima)
1057                 return OPERATOR_CANCELLED;
1058
1059         sima->imtypenr= RNA_enum_get(op->ptr, "file_type");
1060         RNA_string_get(op->ptr, "filepath", str);
1061
1062         save_image_doit(C, sima, scene, op, str, TRUE);
1063
1064         return OPERATOR_FINISHED;
1065 }
1066
1067
1068 static int save_as_check(bContext *UNUSED(C), wmOperator *op)
1069 {
1070         char filepath[FILE_MAX];
1071         RNA_string_get(op->ptr, "filepath", filepath);
1072         if(BKE_add_image_extension(filepath, RNA_enum_get(op->ptr, "file_type"))) {
1073                 RNA_string_set(op->ptr, "filepath", filepath);
1074                 return TRUE;
1075         }
1076         return FALSE;
1077 }
1078
1079 static int save_as_invoke(bContext *C, wmOperator *op, wmEvent *UNUSED(event))
1080 {
1081         SpaceImage *sima= CTX_wm_space_image(C);
1082         Image *ima = ED_space_image(sima);
1083         Scene *scene= CTX_data_scene(C);
1084         ImBuf *ibuf;
1085         char filename[FILE_MAX];
1086         
1087         void *lock;
1088
1089         if(!RNA_property_is_set(op->ptr, "relative_path"))
1090                 RNA_boolean_set(op->ptr, "relative_path", U.flag & USER_RELPATHS);
1091
1092         if(RNA_property_is_set(op->ptr, "filepath"))
1093                 return save_as_exec(C, op);
1094         
1095         if(!ima)
1096                 return OPERATOR_CANCELLED;
1097
1098         /* always opens fileselect */
1099         ibuf= ED_space_image_acquire_buffer(sima, &lock);
1100
1101         if(ibuf) {
1102                 /* cant save multilayer sequence, ima->rr isn't valid for a specific frame */
1103                 if(ima->rr && !(ima->source==IMA_SRC_SEQUENCE && ima->type==IMA_TYPE_MULTILAYER))
1104                         sima->imtypenr= R_MULTILAYER;
1105                 else if(ima->type==IMA_TYPE_R_RESULT)
1106                         sima->imtypenr= scene->r.imtype;
1107                 else if (ima->source == IMA_SRC_GENERATED)
1108                         sima->imtypenr= R_PNG;
1109                 else
1110                         sima->imtypenr= BKE_ftype_to_imtype(ibuf->ftype);
1111
1112                 RNA_enum_set(op->ptr, "file_type", sima->imtypenr);
1113                 
1114                 if(ibuf->name[0]==0)
1115                         if ( (G.ima[0] == '/') && (G.ima[1] == '/') && (G.ima[2] == '\0') ) {
1116                                 BLI_strncpy(filename, "//untitled", FILE_MAX);
1117                         } else {
1118                                 BLI_strncpy(filename, G.ima, FILE_MAX);
1119                         }
1120                 else
1121                         BLI_strncpy(filename, ibuf->name, FILE_MAX);
1122                 
1123                 /* enable save_copy by default for render results */
1124                 if(ELEM(ima->type, IMA_TYPE_R_RESULT, IMA_TYPE_COMPOSITE) && !RNA_property_is_set(op->ptr, "copy")) {
1125                         RNA_boolean_set(op->ptr, "copy", TRUE);
1126                 }
1127
1128                 // XXX note: we can give default menu enums to operator for this 
1129                 image_filesel(C, op, filename);
1130
1131                 ED_space_image_release_buffer(sima, lock);
1132                 
1133                 return OPERATOR_RUNNING_MODAL;
1134         }
1135
1136         ED_space_image_release_buffer(sima, lock);
1137
1138         return OPERATOR_CANCELLED;
1139 }
1140
1141 void IMAGE_OT_save_as(wmOperatorType *ot)
1142 {
1143         /* identifiers */
1144         ot->name= "Save As Image";
1145         ot->idname= "IMAGE_OT_save_as";
1146         
1147         /* api callbacks */
1148         ot->exec= save_as_exec;
1149         ot->check= save_as_check;
1150         ot->invoke= save_as_invoke;
1151         ot->poll= space_image_buffer_exists_poll;
1152
1153         /* flags */
1154         ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
1155
1156         /* properties */
1157         RNA_def_enum(ot->srna, "file_type", image_file_type_items, R_PNG, "File Type", "File type to save image as.");
1158         WM_operator_properties_filesel(ot, FOLDERFILE|IMAGEFILE|MOVIEFILE, FILE_SPECIAL, FILE_SAVE, WM_FILESEL_FILEPATH|WM_FILESEL_RELPATH);
1159
1160         RNA_def_boolean(ot->srna, "copy", 0, "Copy", "Create a new image file without modifying the current image in blender");
1161 }
1162
1163 /******************** save image operator ********************/
1164
1165 static int save_exec(bContext *C, wmOperator *op)
1166 {
1167         Main *bmain= CTX_data_main(C);
1168         SpaceImage *sima= CTX_wm_space_image(C);
1169         Image *ima = ED_space_image(sima);
1170         void *lock;
1171         ImBuf *ibuf= ED_space_image_acquire_buffer(sima, &lock);
1172         Scene *scene= CTX_data_scene(C);
1173         RenderResult *rr;
1174         char name[FILE_MAX];
1175
1176         if(!ima || !ibuf) {
1177                 ED_space_image_release_buffer(sima, lock);
1178                 return OPERATOR_CANCELLED;
1179         }
1180
1181         /* if exists, saves over without fileselect */
1182         
1183         BLI_strncpy(name, ima->name, FILE_MAX);
1184         if(name[0]==0)
1185                 BLI_strncpy(name, G.ima, FILE_MAX);
1186         else
1187                 BLI_path_abs(name, bmain->name);
1188         
1189         if(BLI_exists(name) && BLI_is_writable(name)) {
1190                 rr= BKE_image_acquire_renderresult(scene, ima);
1191
1192                 if(rr)
1193                         sima->imtypenr= R_MULTILAYER;
1194                 else 
1195                         sima->imtypenr= BKE_ftype_to_imtype(ibuf->ftype);
1196
1197                 BKE_image_release_renderresult(scene, ima);
1198                 ED_space_image_release_buffer(sima, lock);
1199                 
1200                 save_image_doit(C, sima, scene, op, name, FALSE);
1201         }
1202         else {
1203                 ED_space_image_release_buffer(sima, lock);
1204
1205                 BKE_report(op->reports, RPT_ERROR, "Can not save image.");
1206                 return OPERATOR_CANCELLED;
1207         }
1208
1209         return OPERATOR_FINISHED;
1210 }
1211
1212 void IMAGE_OT_save(wmOperatorType *ot)
1213 {
1214         /* identifiers */
1215         ot->name= "Save Image";
1216         ot->idname= "IMAGE_OT_save";
1217         
1218         /* api callbacks */
1219         ot->exec= save_exec;
1220         ot->poll= space_image_file_exists_poll;
1221
1222         /* flags */
1223         ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
1224 }
1225
1226 /******************* save sequence operator ********************/
1227
1228 static int save_sequence_exec(bContext *C, wmOperator *op)
1229 {
1230         Main *bmain= CTX_data_main(C);
1231         SpaceImage *sima= CTX_wm_space_image(C);
1232         ImBuf *ibuf;
1233         int tot= 0;
1234         char di[FILE_MAX], fi[FILE_MAX];
1235         
1236         if(sima->image==NULL)
1237                 return OPERATOR_CANCELLED;
1238
1239         if(sima->image->source!=IMA_SRC_SEQUENCE) {
1240                 BKE_report(op->reports, RPT_ERROR, "Can only save sequence on image sequences.");
1241                 return OPERATOR_CANCELLED;
1242         }
1243
1244         if(sima->image->type==IMA_TYPE_MULTILAYER) {
1245                 BKE_report(op->reports, RPT_ERROR, "Can't save multilayer sequences.");
1246                 return OPERATOR_CANCELLED;
1247         }
1248         
1249         /* get total */
1250         for(ibuf= sima->image->ibufs.first; ibuf; ibuf= ibuf->next) 
1251                 if(ibuf->userflags & IB_BITMAPDIRTY)
1252                         tot++;
1253         
1254         if(tot==0) {
1255                 BKE_report(op->reports, RPT_WARNING, "No images have been changed.");
1256                 return OPERATOR_CANCELLED;
1257         }
1258
1259         /* get a filename for menu */
1260         for(ibuf= sima->image->ibufs.first; ibuf; ibuf= ibuf->next) 
1261                 if(ibuf->userflags & IB_BITMAPDIRTY)
1262                         break;
1263         
1264         BLI_strncpy(di, ibuf->name, FILE_MAX);
1265         BLI_splitdirstring(di, fi);
1266         
1267         BKE_reportf(op->reports, RPT_INFO, "%d Image(s) will be saved in %s", tot, di);
1268
1269         for(ibuf= sima->image->ibufs.first; ibuf; ibuf= ibuf->next) {
1270                 if(ibuf->userflags & IB_BITMAPDIRTY) {
1271                         char name[FILE_MAX];
1272                         BLI_strncpy(name, ibuf->name, sizeof(name));
1273                         
1274                         BLI_path_abs(name, bmain->name);
1275
1276                         if(0 == IMB_saveiff(ibuf, name, IB_rect | IB_zbuf | IB_zbuffloat)) {
1277                                 BKE_reportf(op->reports, RPT_ERROR, "Could not write image %s.", name);
1278                                 break;
1279                         }
1280
1281                         BKE_reportf(op->reports, RPT_INFO, "Saved: %s\n", ibuf->name);
1282                         ibuf->userflags &= ~IB_BITMAPDIRTY;
1283                 }
1284         }
1285
1286         return OPERATOR_FINISHED;
1287 }
1288
1289 void IMAGE_OT_save_sequence(wmOperatorType *ot)
1290 {
1291         /* identifiers */
1292         ot->name= "Save Sequence";
1293         ot->idname= "IMAGE_OT_save_sequence";
1294         
1295         /* api callbacks */
1296         ot->exec= save_sequence_exec;
1297         ot->poll= space_image_buffer_exists_poll;
1298
1299         /* flags */
1300         ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
1301 }
1302
1303 /******************** reload image operator ********************/
1304
1305 static int reload_exec(bContext *C, wmOperator *UNUSED(op))
1306 {
1307         Image *ima= CTX_data_edit_image(C);
1308         SpaceImage *sima= CTX_wm_space_image(C);
1309
1310         if(!ima)
1311                 return OPERATOR_CANCELLED;
1312
1313         /* XXX unpackImage frees image buffers */
1314         ED_preview_kill_jobs(C);
1315         
1316         // XXX other users?
1317         BKE_image_signal(ima, (sima)? &sima->iuser: NULL, IMA_SIGNAL_RELOAD);
1318
1319         WM_event_add_notifier(C, NC_IMAGE|NA_EDITED, ima);
1320         
1321         return OPERATOR_FINISHED;
1322 }
1323
1324 void IMAGE_OT_reload(wmOperatorType *ot)
1325 {
1326         /* identifiers */
1327         ot->name= "Reload Image";
1328         ot->idname= "IMAGE_OT_reload";
1329         
1330         /* api callbacks */
1331         ot->exec= reload_exec;
1332
1333         /* flags */
1334         ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
1335 }
1336
1337 /********************** new image operator *********************/
1338
1339 static int image_new_exec(bContext *C, wmOperator *op)
1340 {
1341         SpaceImage *sima;
1342         Scene *scene;
1343         Object *obedit;
1344         Image *ima;
1345         PointerRNA ptr, idptr;
1346         PropertyRNA *prop;
1347         char name[MAX_ID_NAME-2];
1348         float color[4];
1349         int width, height, floatbuf, uvtestgrid, alpha;
1350
1351         /* retrieve state */
1352         sima= CTX_wm_space_image(C);
1353         scene= (Scene*)CTX_data_scene(C);
1354         obedit= CTX_data_edit_object(C);
1355
1356         RNA_string_get(op->ptr, "name", name);
1357         width= RNA_int_get(op->ptr, "width");
1358         height= RNA_int_get(op->ptr, "height");
1359         floatbuf= RNA_boolean_get(op->ptr, "float");
1360         uvtestgrid= RNA_boolean_get(op->ptr, "uv_test_grid");
1361         RNA_float_get_array(op->ptr, "color", color);
1362         alpha= RNA_boolean_get(op->ptr, "alpha");
1363         
1364         if (!floatbuf && scene->r.color_mgt_flag & R_COLOR_MANAGEMENT)
1365                 linearrgb_to_srgb_v3_v3(color, color);
1366
1367         if(!alpha)
1368                 color[3]= 1.0f;
1369
1370         ima = BKE_add_image_size(width, height, name, alpha ? 32 : 24, floatbuf, uvtestgrid, color);
1371
1372         if(!ima)
1373                 return OPERATOR_CANCELLED;
1374
1375         /* hook into UI */
1376         uiIDContextProperty(C, &ptr, &prop);
1377
1378         if(prop) {
1379                 /* when creating new ID blocks, use is already 1, but RNA
1380                  * pointer se also increases user, so this compensates it */
1381                 ima->id.us--;
1382
1383                 RNA_id_pointer_create(&ima->id, &idptr);
1384                 RNA_property_pointer_set(&ptr, prop, idptr);
1385                 RNA_property_update(C, &ptr, prop);
1386         }
1387         else if(sima)
1388                 ED_space_image_set(C, sima, scene, obedit, ima);
1389
1390         // XXX other users?
1391         BKE_image_signal(ima, (sima)? &sima->iuser: NULL, IMA_SIGNAL_USER_NEW_IMAGE);
1392         
1393         return OPERATOR_FINISHED;
1394 }
1395
1396 /* XXX, Ton is not a fan of OK buttons but using this function to avoid undo/redo bug while in mesh-editmode, - campbell */
1397 static int image_new_invoke(bContext *C, wmOperator *op, wmEvent *UNUSED(event))
1398 {
1399         return WM_operator_props_dialog_popup(C, op, 300, 100);
1400
1401 }
1402
1403 void IMAGE_OT_new(wmOperatorType *ot)
1404 {
1405         PropertyRNA *prop;
1406         static float default_color[4]= {0.0f, 0.0f, 0.0f, 1.0f};
1407         
1408         /* identifiers */
1409         ot->name= "New Image";
1410         ot->description= "Create a new image";
1411         ot->idname= "IMAGE_OT_new";
1412         
1413         /* api callbacks */
1414         ot->exec= image_new_exec;
1415         ot->invoke= image_new_invoke;
1416         
1417         /* flags */
1418         ot->flag= OPTYPE_UNDO;
1419
1420         /* properties */
1421         RNA_def_string(ot->srna, "name", "untitled", MAX_ID_NAME-2, "Name", "Image datablock name.");
1422         RNA_def_int(ot->srna, "width", 1024, 1, INT_MAX, "Width", "Image width.", 1, 16384);
1423         RNA_def_int(ot->srna, "height", 1024, 1, INT_MAX, "Height", "Image height.", 1, 16384);
1424         prop= RNA_def_float_color(ot->srna, "color", 4, NULL, 0.0f, FLT_MAX, "Color", "Default fill color.", 0.0f, 1.0f);
1425         RNA_def_property_float_array_default(prop, default_color);
1426         RNA_def_boolean(ot->srna, "alpha", 1, "Alpha", "Create an image with an alpha channel.");
1427         RNA_def_boolean(ot->srna, "uv_test_grid", 0, "UV Test Grid", "Fill the image with a grid for UV map testing.");
1428         RNA_def_boolean(ot->srna, "float", 0, "32 bit Float", "Create image with 32 bit floating point bit depth.");
1429 }
1430
1431 /********************* invert operators *********************/
1432
1433 static int image_invert_poll(bContext *C)
1434 {
1435         Image *ima= CTX_data_edit_image(C);
1436         ImBuf *ibuf= BKE_image_get_ibuf(ima, NULL);
1437         
1438         if( ibuf != NULL )
1439                 return 1;
1440         return 0;
1441 }
1442
1443 static int image_invert_exec(bContext *C, wmOperator *op)
1444 {
1445         Image *ima= CTX_data_edit_image(C);
1446         ImBuf *ibuf= BKE_image_get_ibuf(ima, NULL);
1447
1448         // flags indicate if this channel should be inverted
1449         const short r= RNA_boolean_get(op->ptr, "invert_r");
1450         const short g= RNA_boolean_get(op->ptr, "invert_g");
1451         const short b= RNA_boolean_get(op->ptr, "invert_b");
1452         const short a= RNA_boolean_get(op->ptr, "invert_a");
1453
1454         int i;
1455
1456         if( ibuf == NULL) // TODO: this should actually never happen, but does for render-results -> cleanup
1457                 return OPERATOR_CANCELLED;
1458
1459         /* TODO: make this into an IMB_invert_channels(ibuf,r,g,b,a) method!? */
1460         if (ibuf->rect_float) {
1461                 
1462                 float *fp = (float *) ibuf->rect_float;
1463                 for( i = ibuf->x * ibuf->y; i > 0; i--, fp+=4 ) {
1464                         if( r ) fp[0] = 1.0f - fp[0];
1465                         if( g ) fp[1] = 1.0f - fp[1];
1466                         if( b ) fp[2] = 1.0f - fp[2];
1467                         if( a ) fp[3] = 1.0f - fp[3];
1468                 }
1469
1470                 if(ibuf->rect) {
1471                         IMB_rect_from_float(ibuf);
1472                 }
1473         }
1474         else if(ibuf->rect) {
1475                 
1476                 char *cp = (char *) ibuf->rect;
1477                 for( i = ibuf->x * ibuf->y; i > 0; i--, cp+=4 ) {
1478                         if( r ) cp[0] = 255 - cp[0];
1479                         if( g ) cp[1] = 255 - cp[1];
1480                         if( b ) cp[2] = 255 - cp[2];
1481                         if( a ) cp[3] = 255 - cp[3];
1482                 }
1483         }
1484         else {
1485                 return OPERATOR_CANCELLED;
1486         }
1487
1488         ibuf->userflags |= IB_BITMAPDIRTY;
1489         if(ibuf->mipmap[0])
1490                 ibuf->userflags |= IB_MIPMAP_INVALID;
1491
1492         WM_event_add_notifier(C, NC_IMAGE|NA_EDITED, ima);
1493         return OPERATOR_FINISHED;
1494 }
1495
1496 void IMAGE_OT_invert(wmOperatorType *ot)
1497 {
1498         /* identifiers */
1499         ot->name= "Invert Channels";
1500         ot->idname= "IMAGE_OT_invert";
1501         
1502         /* api callbacks */
1503         ot->exec= image_invert_exec;
1504         ot->poll= image_invert_poll;
1505         
1506         /* properties */
1507         RNA_def_boolean(ot->srna, "invert_r", 0, "Red", "Invert Red Channel");
1508         RNA_def_boolean(ot->srna, "invert_g", 0, "Green", "Invert Green Channel");
1509         RNA_def_boolean(ot->srna, "invert_b", 0, "Blue", "Invert Blue Channel");
1510         RNA_def_boolean(ot->srna, "invert_a", 0, "Alpha", "Invert Alpha Channel");
1511         
1512         /* flags */
1513         ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
1514 }
1515
1516 /********************* pack operator *********************/
1517
1518 static int pack_test(bContext *C, wmOperator *op)
1519 {
1520         Image *ima= CTX_data_edit_image(C);
1521         int as_png= RNA_boolean_get(op->ptr, "as_png");
1522
1523         if(!ima)
1524                 return 0;
1525         if(!as_png && ima->packedfile)
1526                 return 0;
1527
1528         if(ima->source==IMA_SRC_SEQUENCE || ima->source==IMA_SRC_MOVIE) {
1529                 BKE_report(op->reports, RPT_ERROR, "Packing movies or image sequences not supported.");
1530                 return 0;
1531         }
1532
1533         return 1;
1534 }
1535
1536 static int pack_exec(bContext *C, wmOperator *op)
1537 {
1538         Image *ima= CTX_data_edit_image(C);
1539         ImBuf *ibuf= BKE_image_get_ibuf(ima, NULL);
1540         int as_png= RNA_boolean_get(op->ptr, "as_png");
1541
1542         if(!pack_test(C, op))
1543                 return OPERATOR_CANCELLED;
1544         
1545         if(!as_png && (ibuf && (ibuf->userflags & IB_BITMAPDIRTY))) {
1546                 BKE_report(op->reports, RPT_ERROR, "Can't pack edited image from disk, only as internal PNG.");
1547                 return OPERATOR_CANCELLED;
1548         }
1549
1550         if(as_png)
1551                 BKE_image_memorypack(ima);
1552         else
1553                 ima->packedfile= newPackedFile(op->reports, ima->name);
1554
1555         WM_event_add_notifier(C, NC_IMAGE|NA_EDITED, ima);
1556         
1557         return OPERATOR_FINISHED;
1558 }
1559
1560 static int pack_invoke(bContext *C, wmOperator *op, wmEvent *UNUSED(event))
1561 {
1562         Image *ima= CTX_data_edit_image(C);
1563         ImBuf *ibuf= BKE_image_get_ibuf(ima, NULL);
1564         uiPopupMenu *pup;
1565         uiLayout *layout;
1566         int as_png= RNA_boolean_get(op->ptr, "as_png");
1567
1568         if(!pack_test(C, op))
1569                 return OPERATOR_CANCELLED;
1570         
1571         if(!as_png && (ibuf && (ibuf->userflags & IB_BITMAPDIRTY))) {
1572                 pup= uiPupMenuBegin(C, "OK", ICON_QUESTION);
1573                 layout= uiPupMenuLayout(pup);
1574                 uiItemBooleanO(layout, "Can't pack edited image from disk. Pack as internal PNG?", ICON_NONE, op->idname, "as_png", 1);
1575                 uiPupMenuEnd(C, pup);
1576
1577                 return OPERATOR_CANCELLED;
1578         }
1579
1580         return pack_exec(C, op);
1581 }
1582
1583 void IMAGE_OT_pack(wmOperatorType *ot)
1584 {
1585         /* identifiers */
1586         ot->name= "Pack Image";
1587         ot->description= "Pack an image as embedded data into the .blend file"; 
1588         ot->idname= "IMAGE_OT_pack";
1589         
1590         /* api callbacks */
1591         ot->exec= pack_exec;
1592         ot->invoke= pack_invoke;
1593
1594         /* flags */
1595         ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
1596
1597         /* properties */
1598         RNA_def_boolean(ot->srna, "as_png", 0, "Pack As PNG", "Pack image as lossless PNG.");
1599 }
1600
1601 /********************* unpack operator *********************/
1602
1603 static int image_unpack_exec(bContext *C, wmOperator *op)
1604 {
1605         Image *ima= CTX_data_edit_image(C);
1606         int method= RNA_enum_get(op->ptr, "method");
1607
1608         /* find the suppplied image by name */
1609         if (RNA_property_is_set(op->ptr, "id")) {
1610                 char imaname[MAX_ID_NAME-2];
1611                 RNA_string_get(op->ptr, "id", imaname);
1612                 ima = BLI_findstring(&CTX_data_main(C)->image, imaname, offsetof(ID, name) + 2);
1613                 if (!ima) ima = CTX_data_edit_image(C);
1614         }
1615         
1616         if(!ima || !ima->packedfile)
1617                 return OPERATOR_CANCELLED;
1618
1619         if(ima->source==IMA_SRC_SEQUENCE || ima->source==IMA_SRC_MOVIE) {
1620                 BKE_report(op->reports, RPT_ERROR, "Unpacking movies or image sequences not supported.");
1621                 return OPERATOR_CANCELLED;
1622         }
1623
1624         if(G.fileflags & G_AUTOPACK)
1625                 BKE_report(op->reports, RPT_WARNING, "AutoPack is enabled, so image will be packed again on file save.");
1626         
1627         /* XXX unpackImage frees image buffers */
1628         ED_preview_kill_jobs(C);
1629         
1630         unpackImage(op->reports, ima, method);
1631         
1632         WM_event_add_notifier(C, NC_IMAGE|NA_EDITED, ima);
1633
1634         return OPERATOR_FINISHED;
1635 }
1636
1637 static int image_unpack_invoke(bContext *C, wmOperator *op, wmEvent *UNUSED(event))
1638 {
1639         Image *ima= CTX_data_edit_image(C);
1640
1641         if(RNA_property_is_set(op->ptr, "id"))
1642                 return image_unpack_exec(C, op);
1643                 
1644         if(!ima || !ima->packedfile)
1645                 return OPERATOR_CANCELLED;
1646
1647         if(ima->source==IMA_SRC_SEQUENCE || ima->source==IMA_SRC_MOVIE) {
1648                 BKE_report(op->reports, RPT_ERROR, "Unpacking movies or image sequences not supported.");
1649                 return OPERATOR_CANCELLED;
1650         }
1651
1652         if(G.fileflags & G_AUTOPACK)
1653                 BKE_report(op->reports, RPT_WARNING, "AutoPack is enabled, so image will be packed again on file save.");
1654
1655         unpack_menu(C, "IMAGE_OT_unpack", ima->id.name+2, ima->name, "textures", ima->packedfile);
1656
1657         return OPERATOR_FINISHED;
1658 }
1659
1660 void IMAGE_OT_unpack(wmOperatorType *ot)
1661 {
1662         /* identifiers */
1663         ot->name= "Unpack Image";
1664         ot->description= "Save an image packed in the .blend file to disk"; 
1665         ot->idname= "IMAGE_OT_unpack";
1666         
1667         /* api callbacks */
1668         ot->exec= image_unpack_exec;
1669         ot->invoke= image_unpack_invoke;
1670
1671         /* flags */
1672         ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
1673         
1674         /* properties */
1675         RNA_def_enum(ot->srna, "method", unpack_method_items, PF_USE_LOCAL, "Method", "How to unpack.");
1676         RNA_def_string(ot->srna, "id", "", MAX_ID_NAME-2, "Image Name", "Image datablock name to unpack."); /* XXX, weark!, will fail with library, name collisions */
1677 }
1678
1679 /******************** sample image operator ********************/
1680
1681 typedef struct ImageSampleInfo {
1682         ARegionType *art;
1683         void *draw_handle;
1684         int x, y;
1685         int channels;
1686
1687         char col[4];
1688         float colf[4];
1689         int z;
1690         float zf;
1691
1692         char *colp;
1693         float *colfp;
1694         int *zp;
1695         float *zfp;
1696
1697         int draw;
1698 } ImageSampleInfo;
1699
1700 static void sample_draw(const bContext *UNUSED(C), ARegion *ar, void *arg_info)
1701 {
1702         ImageSampleInfo *info= arg_info;
1703         if(info->draw) {
1704                 /* no color management needed for images (color_manage=0) */
1705                 draw_image_info(ar, 0, info->channels, info->x, info->y, info->colp, info->colfp, info->zp, info->zfp);
1706         }
1707 }
1708
1709 static void sample_apply(bContext *C, wmOperator *op, wmEvent *event)
1710 {
1711         SpaceImage *sima= CTX_wm_space_image(C);
1712         ARegion *ar= CTX_wm_region(C);
1713         void *lock;
1714         ImBuf *ibuf= ED_space_image_acquire_buffer(sima, &lock);
1715         ImageSampleInfo *info= op->customdata;
1716         float fx, fy;
1717         
1718         if(ibuf == NULL) {
1719                 ED_space_image_release_buffer(sima, lock);
1720                 return;
1721         }
1722
1723         UI_view2d_region_to_view(&ar->v2d, event->mval[0], event->mval[1], &fx, &fy);
1724
1725         if(fx>=0.0f && fy>=0.0f && fx<1.0f && fy<1.0f) {
1726                 float *fp;
1727                 char *cp;
1728                 int x= (int)(fx*ibuf->x), y= (int)(fy*ibuf->y);
1729
1730                 CLAMP(x, 0, ibuf->x-1);
1731                 CLAMP(y, 0, ibuf->y-1);
1732
1733                 info->x= x;
1734                 info->y= y;
1735                 info->draw= 1;
1736                 info->channels= ibuf->channels;
1737
1738                 info->colp= NULL;
1739                 info->colfp= NULL;
1740                 info->zp= NULL;
1741                 info->zfp= NULL;
1742                 
1743                 if(ibuf->rect) {
1744                         cp= (char *)(ibuf->rect + y*ibuf->x + x);
1745
1746                         info->col[0]= cp[0];
1747                         info->col[1]= cp[1];
1748                         info->col[2]= cp[2];
1749                         info->col[3]= cp[3];
1750                         info->colp= info->col;
1751
1752                         info->colf[0]= (float)cp[0]/255.0f;
1753                         info->colf[1]= (float)cp[1]/255.0f;
1754                         info->colf[2]= (float)cp[2]/255.0f;
1755                         info->colf[3]= (float)cp[3]/255.0f;
1756                         info->colfp= info->colf;
1757                 }
1758                 if(ibuf->rect_float) {
1759                         fp= (ibuf->rect_float + (ibuf->channels)*(y*ibuf->x + x));
1760
1761                         info->colf[0]= fp[0];
1762                         info->colf[1]= fp[1];
1763                         info->colf[2]= fp[2];
1764                         info->colf[3]= fp[3];
1765                         info->colfp= info->colf;
1766                 }
1767
1768                 if(ibuf->zbuf) {
1769                         info->z= ibuf->zbuf[y*ibuf->x + x];
1770                         info->zp= &info->z;
1771                 }
1772                 if(ibuf->zbuf_float) {
1773                         info->zf= ibuf->zbuf_float[y*ibuf->x + x];
1774                         info->zfp= &info->zf;
1775                 }
1776                 
1777                 if(sima->cumap && ibuf->channels==4) {
1778                         /* we reuse this callback for set curves point operators */
1779                         if(RNA_struct_find_property(op->ptr, "point")) {
1780                                 int point= RNA_enum_get(op->ptr, "point");
1781
1782                                 if(point == 1) {
1783                                         curvemapping_set_black_white(sima->cumap, NULL, info->colfp);
1784                                         if(ibuf->rect_float)
1785                                                 curvemapping_do_ibuf(sima->cumap, ibuf);
1786                                 }
1787                                 else if(point == 0) {
1788                                         curvemapping_set_black_white(sima->cumap, info->colfp, NULL);
1789                                         if(ibuf->rect_float)
1790                                                 curvemapping_do_ibuf(sima->cumap, ibuf);
1791                                 }
1792                         }
1793                 }
1794                                 
1795                 // XXX node curve integration ..
1796 #if 0
1797                 {
1798                         ScrArea *sa, *cur= curarea;
1799                         
1800                         node_curvemap_sample(fp);       /* sends global to node editor */
1801                         for(sa= G.curscreen->areabase.first; sa; sa= sa->next) {
1802                                 if(sa->spacetype==SPACE_NODE) {
1803                                         areawinset(sa->win);
1804                                         scrarea_do_windraw(sa);
1805                                 }
1806                         }
1807                         node_curvemap_sample(NULL);             /* clears global in node editor */
1808                         curarea= cur;
1809                 }
1810 #endif
1811         }
1812         else
1813                 info->draw= 0;
1814
1815         ED_space_image_release_buffer(sima, lock);
1816         ED_area_tag_redraw(CTX_wm_area(C));
1817 }
1818
1819 static void sample_exit(bContext *C, wmOperator *op)
1820 {
1821         ImageSampleInfo *info= op->customdata;
1822
1823         ED_region_draw_cb_exit(info->art, info->draw_handle);
1824         ED_area_tag_redraw(CTX_wm_area(C));
1825         MEM_freeN(info);
1826 }
1827
1828 static int sample_invoke(bContext *C, wmOperator *op, wmEvent *event)
1829 {
1830         SpaceImage *sima= CTX_wm_space_image(C);
1831         ARegion *ar= CTX_wm_region(C);
1832         ImageSampleInfo *info;
1833
1834         if(!ED_space_image_has_buffer(sima))
1835                 return OPERATOR_CANCELLED;
1836         
1837         info= MEM_callocN(sizeof(ImageSampleInfo), "ImageSampleInfo");
1838         info->art= ar->type;
1839         info->draw_handle = ED_region_draw_cb_activate(ar->type, sample_draw, info, REGION_DRAW_POST_PIXEL);
1840         op->customdata= info;
1841
1842         sample_apply(C, op, event);
1843
1844         WM_event_add_modal_handler(C, op);
1845
1846         return OPERATOR_RUNNING_MODAL;
1847 }
1848
1849 static int sample_modal(bContext *C, wmOperator *op, wmEvent *event)
1850 {
1851         switch(event->type) {
1852                 case LEFTMOUSE:
1853                 case RIGHTMOUSE: // XXX hardcoded
1854                         sample_exit(C, op);
1855                         return OPERATOR_CANCELLED;
1856                 case MOUSEMOVE:
1857                         sample_apply(C, op, event);
1858                         break;
1859         }
1860
1861         return OPERATOR_RUNNING_MODAL;
1862 }
1863
1864 static int sample_cancel(bContext *C, wmOperator *op)
1865 {
1866         sample_exit(C, op);
1867         return OPERATOR_CANCELLED;
1868 }
1869
1870 void IMAGE_OT_sample(wmOperatorType *ot)
1871 {
1872         /* identifiers */
1873         ot->name= "Sample Color";
1874         ot->idname= "IMAGE_OT_sample";
1875         
1876         /* api callbacks */
1877         ot->invoke= sample_invoke;
1878         ot->modal= sample_modal;
1879         ot->cancel= sample_cancel;
1880         ot->poll= space_image_main_area_poll;
1881
1882         /* flags */
1883         ot->flag= OPTYPE_BLOCKING;
1884 }
1885
1886 /******************** sample line operator ********************/
1887 static int sample_line_exec(bContext *C, wmOperator *op)
1888 {
1889         SpaceImage *sima= CTX_wm_space_image(C);
1890         ARegion *ar= CTX_wm_region(C);
1891         Scene *scene= CTX_data_scene(C);
1892         
1893         int x_start= RNA_int_get(op->ptr, "xstart");
1894         int y_start= RNA_int_get(op->ptr, "ystart");
1895         int x_end= RNA_int_get(op->ptr, "xend");
1896         int y_end= RNA_int_get(op->ptr, "yend");
1897         
1898         void *lock;
1899         ImBuf *ibuf= ED_space_image_acquire_buffer(sima, &lock);
1900         Histogram *hist= &sima->sample_line_hist;
1901         
1902         float x1f, y1f, x2f, y2f;
1903         int x1, y1, x2, y2;
1904         int i, x, y;
1905         float *fp;
1906         float rgb[3];
1907         unsigned char *cp;
1908         
1909         if (ibuf == NULL) {
1910                 ED_space_image_release_buffer(sima, lock);
1911                 return OPERATOR_CANCELLED;
1912         }
1913         /* hmmmm */
1914         if (ibuf->channels < 3) {
1915                 ED_space_image_release_buffer(sima, lock);
1916                 return OPERATOR_CANCELLED;
1917         }
1918         
1919         UI_view2d_region_to_view(&ar->v2d, x_start, y_start, &x1f, &y1f);
1920         UI_view2d_region_to_view(&ar->v2d, x_end, y_end, &x2f, &y2f);
1921         x1= 0.5f+ x1f*ibuf->x;
1922         x2= 0.5f+ x2f*ibuf->x;
1923         y1= 0.5f+ y1f*ibuf->y;
1924         y2= 0.5f+ y2f*ibuf->y;
1925         
1926         hist->channels = 3;
1927         hist->x_resolution = 256;
1928         hist->xmax = 1.0f;
1929         hist->ymax = 1.0f;
1930         
1931         for (i=0; i<256; i++) {
1932                 x= (int)(0.5f + x1 + (float)i*(x2-x1)/255.0f);
1933                 y= (int)(0.5f + y1 + (float)i*(y2-y1)/255.0f);
1934                 
1935                 if (x<0 || y<0 || x>=ibuf->x || y>=ibuf->y) {
1936                         hist->data_luma[i] = hist->data_r[i] = hist->data_g[i]= hist->data_b[i] = 0.0f;
1937                 } else {
1938                         if (ibuf->rect_float) {
1939                                 fp= (ibuf->rect_float + (ibuf->channels)*(y*ibuf->x + x));
1940
1941                                 if (scene->r.color_mgt_flag & R_COLOR_MANAGEMENT)
1942                                         linearrgb_to_srgb_v3_v3(rgb, fp);
1943                                 else
1944                                         copy_v3_v3(rgb, fp);
1945
1946                                 hist->data_r[i] = rgb[0];
1947                                 hist->data_g[i] = rgb[1];
1948                                 hist->data_b[i] = rgb[2];
1949                                 hist->data_luma[i] = (0.299f*rgb[0] + 0.587f*rgb[1] + 0.114f*rgb[2]);
1950                         }
1951                         else if (ibuf->rect) {
1952                                 cp= (unsigned char *)(ibuf->rect + y*ibuf->x + x);
1953                                 hist->data_r[i] = (float)cp[0]/255.0f;
1954                                 hist->data_g[i] = (float)cp[1]/255.0f;
1955                                 hist->data_b[i] = (float)cp[2]/255.0f;
1956                                 hist->data_luma[i] = (0.299f*cp[0] + 0.587f*cp[1] + 0.114f*cp[2])/255;
1957                         }
1958                 }
1959         }
1960         
1961         ED_space_image_release_buffer(sima, lock);
1962         
1963         ED_area_tag_redraw(CTX_wm_area(C));
1964         
1965         return OPERATOR_FINISHED;
1966 }
1967
1968 static int sample_line_invoke(bContext *C, wmOperator *op, wmEvent *event)
1969 {
1970         SpaceImage *sima= CTX_wm_space_image(C);
1971         
1972         if(!ED_space_image_has_buffer(sima))
1973                 return OPERATOR_CANCELLED;
1974         
1975         return WM_gesture_straightline_invoke(C, op, event);
1976 }
1977
1978 void IMAGE_OT_sample_line(wmOperatorType *ot)
1979 {
1980         /* identifiers */
1981         ot->name= "Sample Line";
1982         ot->idname= "IMAGE_OT_sample_line";
1983         
1984         /* api callbacks */
1985         ot->invoke= sample_line_invoke;
1986         ot->modal= WM_gesture_straightline_modal;
1987         ot->exec= sample_line_exec;
1988         ot->poll= space_image_main_area_poll;
1989         ot->cancel= WM_gesture_straightline_cancel;
1990         
1991         /* flags */
1992         ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
1993         
1994         WM_operator_properties_gesture_straightline(ot, CURSOR_EDIT);
1995 }
1996
1997 /******************** set curve point operator ********************/
1998
1999 void IMAGE_OT_curves_point_set(wmOperatorType *ot)
2000 {
2001         static EnumPropertyItem point_items[]= {
2002                 {0, "BLACK_POINT", 0, "Black Point", ""},
2003                 {1, "WHITE_POINT", 0, "White Point", ""},
2004                 {0, NULL, 0, NULL, NULL}};
2005
2006         /* identifiers */
2007         ot->name= "Set Curves Point";
2008         ot->idname= "IMAGE_OT_curves_point_set";
2009
2010         /* flags */
2011         ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
2012         
2013         /* api callbacks */
2014         ot->invoke= sample_invoke;
2015         ot->modal= sample_modal;
2016         ot->cancel= sample_cancel;
2017         ot->poll= space_image_main_area_poll;
2018
2019         /* properties */
2020         RNA_def_enum(ot->srna, "point", point_items, 0, "Point", "Set black point or white point for curves.");
2021 }
2022
2023 /******************** record composite operator *********************/
2024
2025 typedef struct RecordCompositeData {
2026         wmTimer *timer;
2027         int old_cfra;
2028         int sfra, efra;
2029 } RecordCompositeData;
2030
2031 static int record_composite_apply(bContext *C, wmOperator *op)
2032 {
2033         SpaceImage *sima= CTX_wm_space_image(C);
2034         RecordCompositeData *rcd= op->customdata;
2035         Scene *scene= CTX_data_scene(C);
2036         ImBuf *ibuf;
2037         
2038         WM_timecursor(CTX_wm_window(C), scene->r.cfra);
2039
2040         // XXX scene->nodetree->test_break= blender_test_break;
2041         // XXX scene->nodetree->test_break= NULL;
2042         
2043         BKE_image_all_free_anim_ibufs(scene->r.cfra);
2044         ntreeCompositTagAnimated(scene->nodetree);
2045         ntreeCompositExecTree(scene->nodetree, &scene->r, scene->r.cfra != rcd->old_cfra);      /* 1 is no previews */
2046
2047         ED_area_tag_redraw(CTX_wm_area(C));
2048         
2049         ibuf= BKE_image_get_ibuf(sima->image, &sima->iuser);
2050         /* save memory in flipbooks */
2051         if(ibuf)
2052                 imb_freerectfloatImBuf(ibuf);
2053         
2054         scene->r.cfra++;
2055
2056         return (scene->r.cfra <= rcd->efra);
2057 }
2058
2059 static int record_composite_init(bContext *C, wmOperator *op)
2060 {
2061         SpaceImage *sima= CTX_wm_space_image(C);
2062         Scene *scene= CTX_data_scene(C);
2063         RecordCompositeData *rcd;
2064
2065         if(sima->iuser.frames < 2)
2066                 return 0;
2067         if(scene->nodetree == NULL)
2068                 return 0;
2069         
2070         op->customdata= rcd= MEM_callocN(sizeof(RecordCompositeData), "ImageRecordCompositeData");
2071
2072         rcd->old_cfra= scene->r.cfra;
2073         rcd->sfra= sima->iuser.sfra;
2074         rcd->efra= sima->iuser.sfra + sima->iuser.frames-1;
2075         scene->r.cfra= rcd->sfra;
2076
2077         return 1;
2078 }
2079
2080 static void record_composite_exit(bContext *C, wmOperator *op)
2081 {
2082         Scene *scene= CTX_data_scene(C);
2083         SpaceImage *sima= CTX_wm_space_image(C);
2084         RecordCompositeData *rcd= op->customdata;
2085
2086         scene->r.cfra= rcd->old_cfra;
2087
2088         WM_cursor_restore(CTX_wm_window(C));
2089
2090         if(rcd->timer)
2091                 WM_event_remove_timer(CTX_wm_manager(C), CTX_wm_window(C), rcd->timer);
2092
2093         WM_event_add_notifier(C, NC_IMAGE|NA_EDITED, sima->image);
2094
2095         // XXX play_anim(0);
2096         // XXX allqueue(REDRAWNODE, 1);
2097
2098         MEM_freeN(rcd);
2099 }
2100
2101 static int record_composite_exec(bContext *C, wmOperator *op)
2102 {
2103         if(!record_composite_init(C, op))
2104                 return OPERATOR_CANCELLED;
2105         
2106         while(record_composite_apply(C, op))
2107                 ;
2108         
2109         record_composite_exit(C, op);
2110         
2111         return OPERATOR_FINISHED;
2112 }
2113
2114 static int record_composite_invoke(bContext *C, wmOperator *op, wmEvent *UNUSED(event))
2115 {
2116         RecordCompositeData *rcd;
2117         
2118         if(!record_composite_init(C, op))
2119                 return OPERATOR_CANCELLED;
2120
2121         rcd= op->customdata;
2122         rcd->timer= WM_event_add_timer(CTX_wm_manager(C), CTX_wm_window(C), TIMER, 0.0f);
2123         WM_event_add_modal_handler(C, op);
2124
2125         if(!record_composite_apply(C, op))
2126                 return OPERATOR_FINISHED;
2127
2128         return OPERATOR_RUNNING_MODAL;
2129 }
2130
2131 static int record_composite_modal(bContext *C, wmOperator *op, wmEvent *event)
2132 {
2133         RecordCompositeData *rcd= op->customdata;
2134
2135         switch(event->type) {
2136                 case TIMER:
2137                         if(rcd->timer == event->customdata) {
2138                                 if(!record_composite_apply(C, op)) {
2139                                         record_composite_exit(C, op);
2140                                         return OPERATOR_FINISHED;
2141                                 }
2142                         }
2143                         break;
2144                 case ESCKEY:
2145                         record_composite_exit(C, op);
2146                         return OPERATOR_FINISHED;
2147         }
2148
2149         return OPERATOR_RUNNING_MODAL;
2150 }
2151
2152 static int record_composite_cancel(bContext *C, wmOperator *op)
2153 {
2154         record_composite_exit(C, op);
2155         return OPERATOR_CANCELLED;
2156 }
2157
2158 void IMAGE_OT_record_composite(wmOperatorType *ot)
2159 {
2160         /* identifiers */
2161         ot->name= "Record Composite";
2162         ot->idname= "IMAGE_OT_record_composite";
2163         
2164         /* api callbacks */
2165         ot->exec= record_composite_exec;
2166         ot->invoke= record_composite_invoke;
2167         ot->modal= record_composite_modal;
2168         ot->cancel= record_composite_cancel;
2169         ot->poll= space_image_buffer_exists_poll;
2170 }
2171
2172 /********************* cycle render slot operator *********************/
2173
2174 static int cycle_render_slot_poll(bContext *C)
2175 {
2176         Image *ima= CTX_data_edit_image(C);
2177
2178         return (ima && ima->type == IMA_TYPE_R_RESULT);
2179 }
2180
2181 static int cycle_render_slot_exec(bContext *C, wmOperator *op)
2182 {
2183         Image *ima= CTX_data_edit_image(C);
2184         int a, slot, cur= ima->render_slot;
2185         const short use_reverse= RNA_boolean_get(op->ptr, "reverse");
2186
2187         for(a=1; a<IMA_MAX_RENDER_SLOT; a++) {
2188                 slot= (cur + (use_reverse ? -a:a))%IMA_MAX_RENDER_SLOT;
2189                 if(slot<0) slot+=IMA_MAX_RENDER_SLOT;
2190
2191                 if(ima->renders[slot] || slot == ima->last_render_slot) {
2192                         ima->render_slot= slot;
2193                         break;
2194                 }
2195                 else if((slot - 1) == ima->last_render_slot && slot < IMA_MAX_RENDER_SLOT) {
2196                         ima->render_slot= slot;
2197                         break;
2198                 }
2199         }
2200
2201         if(a == IMA_MAX_RENDER_SLOT)
2202                 ima->render_slot= ((cur == 1)? 0: 1);
2203         
2204         WM_event_add_notifier(C, NC_IMAGE|ND_DRAW, NULL);
2205
2206         /* no undo push for browsing existing */
2207         if(ima->renders[ima->render_slot] || ima->render_slot==ima->last_render_slot)
2208                 return OPERATOR_CANCELLED;
2209         
2210         return OPERATOR_FINISHED;
2211 }
2212
2213 void IMAGE_OT_cycle_render_slot(wmOperatorType *ot)
2214 {
2215         /* identifiers */
2216         ot->name= "Cycle Render Slot";
2217         ot->idname= "IMAGE_OT_cycle_render_slot";
2218         
2219         /* api callbacks */
2220         ot->exec= cycle_render_slot_exec;
2221         ot->poll= cycle_render_slot_poll;
2222
2223         /* flags */
2224         ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
2225
2226         RNA_def_boolean(ot->srna, "reverse", 0, "Cycle in Reverse", "");
2227 }
2228
2229 /******************** TODO ********************/
2230
2231 /* XXX notifier? */
2232
2233 /* goes over all ImageUsers, and sets frame numbers if auto-refresh is set */
2234
2235 void ED_image_update_frame(const Main *mainp, int cfra)
2236 {
2237         wmWindowManager *wm;
2238         wmWindow *win;
2239         Tex *tex;
2240         
2241         /* texture users */
2242         for(tex= mainp->tex.first; tex; tex= tex->id.next) {
2243                 if(tex->type==TEX_IMAGE && tex->ima) {
2244                         if(ELEM(tex->ima->source, IMA_SRC_MOVIE, IMA_SRC_SEQUENCE)) {
2245                                 if(tex->iuser.flag & IMA_ANIM_ALWAYS)
2246                                         BKE_image_user_calc_frame(&tex->iuser, cfra, 0);
2247                         }
2248                 }
2249         }
2250         
2251         /* image window, compo node users */
2252         for(wm=mainp->wm.first; wm; wm= wm->id.next) { /* only 1 wm */
2253                 for(win= wm->windows.first; win; win= win->next) {
2254                         ScrArea *sa;
2255                         for(sa= win->screen->areabase.first; sa; sa= sa->next) {
2256                                 if(sa->spacetype==SPACE_VIEW3D) {
2257                                         View3D *v3d= sa->spacedata.first;
2258                                         BGpic *bgpic;
2259                                         for(bgpic= v3d->bgpicbase.first; bgpic; bgpic= bgpic->next)
2260                                                 if(bgpic->iuser.flag & IMA_ANIM_ALWAYS)
2261                                                         BKE_image_user_calc_frame(&bgpic->iuser, cfra, 0);
2262                                 }
2263                                 else if(sa->spacetype==SPACE_IMAGE) {
2264                                         SpaceImage *sima= sa->spacedata.first;
2265                                         if(sima->iuser.flag & IMA_ANIM_ALWAYS)
2266                                                 BKE_image_user_calc_frame(&sima->iuser, cfra, 0);
2267                                 }
2268                                 else if(sa->spacetype==SPACE_NODE) {
2269                                         SpaceNode *snode= sa->spacedata.first;
2270                                         if((snode->treetype==NTREE_COMPOSIT) && (snode->nodetree)) {
2271                                                 bNode *node;
2272                                                 for(node= snode->nodetree->nodes.first; node; node= node->next) {
2273                                                         if(node->id && node->type==CMP_NODE_IMAGE) {
2274                                                                 Image *ima= (Image *)node->id;
2275                                                                 ImageUser *iuser= node->storage;
2276                                                                 if(ELEM(ima->source, IMA_SRC_MOVIE, IMA_SRC_SEQUENCE))
2277                                                                         if(iuser->flag & IMA_ANIM_ALWAYS)
2278                                                                                 BKE_image_user_calc_frame(iuser, cfra, 0);
2279                                                         }
2280                                                 }
2281                                         }
2282                                 }
2283                         }
2284                 }
2285         }
2286 }
2287