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 /********************** view all operator *********************/
 441
 442 /* Updates the fields of the View2D member of the SpaceImage struct.
 443  * Default behavior is to reset the position of the image and set the zoom to 1
 444  * If the image will not fit within the window rectangle, the zoom is adjusted */
 445
 446 static int view_all_exec(bContext *C, wmOperator *UNUSED(op))
 447 {
 448         SpaceImage *sima;
 449         ARegion *ar;
 450         float aspx, aspy, zoomx, zoomy, w, h;
 451         int width, height;
 452
 453         /* retrieve state */
 454         sima= CTX_wm_space_image(C);
 455         ar= CTX_wm_region(C);
 456
 457         ED_space_image_size(sima, &width, &height);
 458         ED_space_image_aspect(sima, &aspx, &aspy);
 459
 460         w= width*aspx;
 461         h= height*aspy;
 462
 463         /* check if the image will fit in the image with zoom==1 */
 464         width = ar->winrct.xmax - ar->winrct.xmin + 1;
 465         height = ar->winrct.ymax - ar->winrct.ymin + 1;
 466
 467         if((w >= width || h >= height) && (width > 0 && height > 0)) {
 468                 /* find the zoom value that will fit the image in the image space */
 469                 zoomx= width/w;
 470                 zoomy= height/h;
 471                 sima_zoom_set(sima, ar, 1.0f/power_of_2(1/MIN2(zoomx, zoomy)));
 472         }
 473         else
 474                 sima_zoom_set(sima, ar, 1.0f);
 475
 476         sima->xof= sima->yof= 0.0f;
 477
 478         ED_region_tag_redraw(CTX_wm_region(C));
 479
 480         return OPERATOR_FINISHED;
 481 }
 482
 483 void IMAGE_OT_view_all(wmOperatorType *ot)
 484 {
 485         /* identifiers */
 486         ot->name= "View All";
 487         ot->idname= "IMAGE_OT_view_all";
 488
 489         /* api callbacks */
 490         ot->exec= view_all_exec;
 491         ot->poll= space_image_main_area_poll;
 492 }
 493
 494 /********************** view selected operator *********************/
 495
 496 static int view_selected_exec(bContext *C, wmOperator *UNUSED(op))
 497 {
 498         SpaceImage *sima;
 499         ARegion *ar;
 500         Scene *scene;
 501         Object *obedit;
 502         Image *ima;
 503         float size, min[2], max[2], d[2];
 504         int width, height;
 505
 506         /* retrieve state */
 507         sima= CTX_wm_space_image(C);
 508         ar= CTX_wm_region(C);
 509         scene= (Scene*)CTX_data_scene(C);
 510         obedit= CTX_data_edit_object(C);
 511
 512         ima= ED_space_image(sima);
 513         ED_space_image_size(sima, &width, &height);
 514
 515         /* get bounds */
 516         if(!ED_uvedit_minmax(scene, ima, obedit, min, max))
 517                 return OPERATOR_CANCELLED;
 518
 519         /* adjust offset and zoom */
 520         sima->xof= (int)(((min[0] + max[0])*0.5f - 0.5f)*width);
 521         sima->yof= (int)(((min[1] + max[1])*0.5f - 0.5f)*height);
 522
 523         d[0]= max[0] - min[0];
 524         d[1]= max[1] - min[1];
 525         size= 0.5f*MAX2(d[0], d[1])*MAX2(width, height)/256.0f;
 526
 527         if(size<=0.01f) size= 0.01f;
 528         sima_zoom_set(sima, ar, 0.7f/size);
 529
 530         ED_region_tag_redraw(CTX_wm_region(C));
 531
 532         return OPERATOR_FINISHED;
 533 }
 534
 535 static int view_selected_poll(bContext *C)
 536 {
 537         return (space_image_main_area_poll(C) && ED_operator_uvedit(C));
 538 }
 539
 540 void IMAGE_OT_view_selected(wmOperatorType *ot)
 541 {
 542         /* identifiers */
 543         ot->name= "View Center";
 544         ot->idname= "IMAGE_OT_view_selected";
 545
 546         /* api callbacks */
 547         ot->exec= view_selected_exec;
 548         ot->poll= view_selected_poll;
 549 }
 550
 551 /********************** view zoom in/out operator *********************/
 552
 553 static int view_zoom_in_exec(bContext *C, wmOperator *UNUSED(op))
 554 {
 555         SpaceImage *sima= CTX_wm_space_image(C);
 556         ARegion *ar= CTX_wm_region(C);
 557
 558         sima_zoom_set_factor(sima, ar, 1.25f);
 559
 560         ED_region_tag_redraw(CTX_wm_region(C));
 561
 562         return OPERATOR_FINISHED;
 563 }
 564
 565 void IMAGE_OT_view_zoom_in(wmOperatorType *ot)
 566 {
 567         /* identifiers */
 568         ot->name= "View Zoom In";
 569         ot->idname= "IMAGE_OT_view_zoom_in";
 570
 571         /* api callbacks */
 572         ot->exec= view_zoom_in_exec;
 573         ot->poll= space_image_main_area_poll;
 574 }
 575
 576 static int view_zoom_out_exec(bContext *C, wmOperator *UNUSED(op))
 577 {
 578         SpaceImage *sima= CTX_wm_space_image(C);
 579         ARegion *ar= CTX_wm_region(C);
 580
 581         sima_zoom_set_factor(sima, ar, 0.8f);
 582
 583         ED_region_tag_redraw(CTX_wm_region(C));
 584
 585         return OPERATOR_FINISHED;
 586 }
 587
 588 void IMAGE_OT_view_zoom_out(wmOperatorType *ot)
 589 {
 590         /* identifiers */
 591         ot->name= "View Zoom Out";
 592         ot->idname= "IMAGE_OT_view_zoom_out";
 593
 594         /* api callbacks */
 595         ot->exec= view_zoom_out_exec;
 596         ot->poll= space_image_main_area_poll;
 597 }
 598
 599 /********************** view zoom ratio operator *********************/
 600
 601 static int view_zoom_ratio_exec(bContext *C, wmOperator *op)
 602 {
 603         SpaceImage *sima= CTX_wm_space_image(C);
 604         ARegion *ar= CTX_wm_region(C);
 605
 606         sima_zoom_set(sima, ar, RNA_float_get(op->ptr, "ratio"));
 607
 608         /* ensure pixel exact locations for draw */
 609         sima->xof= (int)sima->xof;
 610         sima->yof= (int)sima->yof;
 611
 612         /* XXX notifier? */
 613 #if 0
 614         if(image_preview_active(curarea, NULL, NULL)) {
 615                 /* recalculates new preview rect */
 616                 scrarea_do_windraw(curarea);
 617                 image_preview_event(2);
 618         }
 619 #endif
 620
 621         ED_region_tag_redraw(CTX_wm_region(C));
 622
 623         return OPERATOR_FINISHED;
 624 }
 625
 626 void IMAGE_OT_view_zoom_ratio(wmOperatorType *ot)
 627 {
 628         /* identifiers */
 629         ot->name= "View Zoom Ratio";
 630         ot->idname= "IMAGE_OT_view_zoom_ratio";
 631
 632         /* api callbacks */
 633         ot->exec= view_zoom_ratio_exec;
 634         ot->poll= space_image_main_area_poll;
 635
 636         /* properties */
 637         RNA_def_float(ot->srna, "ratio", 0.0f, 0.0f, FLT_MAX,
 638                 "Ratio", "Zoom ratio, 1.0 is 1:1, higher is zoomed in, lower is zoomed out.", -FLT_MAX, FLT_MAX);
 639 }
 640
 641 /**************** load/replace/save callbacks ******************/
 642
 643 /* XXX make dynamic */
 644 static const EnumPropertyItem image_file_type_items[] = {
 645                 {R_TARGA, "TARGA", 0, "Targa", ""},
 646                 {R_RAWTGA, "TARGA RAW", 0, "Targa Raw", ""},
 647                 {R_PNG, "PNG", 0, "PNG", ""},
 648                 {R_BMP, "BMP", 0, "BMP", ""},
 649                 {R_JPEG90, "JPEG", 0, "Jpeg", ""},
 650 #ifdef WITH_OPENJPEG
 651                 {R_JP2, "JPEG_2000", 0, "Jpeg 2000", ""},
 652 #endif
 653                 {R_IRIS, "IRIS", 0, "Iris", ""},
 654 #ifdef WITH_TIFF
 655                 {R_TIFF, "TIFF", 0, "Tiff", ""},
 656 #endif
 657 #ifdef WITH_DDS
 658                 {R_RADHDR, "RADIANCE_HDR", 0, "Radiance HDR", ""},
 659 #endif
 660 #ifdef WITH_CINEON
 661                 {R_CINEON, "CINEON", 0, "Cineon", ""},
 662                 {R_DPX, "DPX", 0, "DPX", ""},
 663 #endif
 664 #ifdef WITH_OPENEXR
 665                 {R_OPENEXR, "OPENEXR", 0, "OpenEXR", ""},
 666         /* saving sequences of multilayer won't work, they copy buffers  */
 667         /*if(ima->source==IMA_SRC_SEQUENCE && ima->type==IMA_TYPE_MULTILAYER);
 668         else*/
 669                 {R_MULTILAYER, "MULTILAYER", 0, "MultiLayer", ""},
 670 #endif
 671                 {0, NULL, 0, NULL, NULL}};
 672
 673 static void image_filesel(bContext *C, wmOperator *op, const char *path)
 674 {
 675         RNA_string_set(op->ptr, "filepath", path);
 676         WM_event_add_fileselect(C, op);
 677 }
 678
 679 /******************** open image operator ********************/
 680
 681 static void open_init(bContext *C, wmOperator *op)
 682 {
 683         PropertyPointerRNA *pprop;
 684
 685         op->customdata= pprop= MEM_callocN(sizeof(PropertyPointerRNA), "OpenPropertyPointerRNA");
 686         uiIDContextProperty(C, &pprop->ptr, &pprop->prop);
 687 }
 688
 689 static int open_cancel(bContext *UNUSED(C), wmOperator *op)
 690 {
 691         MEM_freeN(op->customdata);
 692         op->customdata= NULL;
 693         return OPERATOR_CANCELLED;
 694 }
 695
 696 static int open_exec(bContext *C, wmOperator *op)
 697 {
 698         SpaceImage *sima= CTX_wm_space_image(C); /* XXX other space types can call */
 699         Scene *scene= CTX_data_scene(C);
 700         Object *obedit= CTX_data_edit_object(C);
 701         ImageUser *iuser= NULL;
 702         PropertyPointerRNA *pprop;
 703         PointerRNA idptr;
 704         Image *ima= NULL;
 705         char str[FILE_MAX];
 706
 707         RNA_string_get(op->ptr, "filepath", str);
 708         /* default to frame 1 if there's no scene in context */
 709
 710         errno= 0;
 711
 712         ima= BKE_add_image_file(str);
 713
 714         if(!ima) {
 715                 if(op->customdata) MEM_freeN(op->customdata);
 716                 BKE_reportf(op->reports, RPT_ERROR, "Can't read: \"%s\", %s.", str, errno ? strerror(errno) : "Unsupported image format");
 717                 return OPERATOR_CANCELLED;
 718         }
 719
 720         if(!op->customdata)
 721                 open_init(C, op);
 722
 723         /* hook into UI */
 724         pprop= op->customdata;
 725
 726         if(pprop->prop) {
 727                 /* when creating new ID blocks, use is already 1, but RNA
 728                  * pointer se also increases user, so this compensates it */
 729                 ima->id.us--;
 730
 731                 RNA_id_pointer_create(&ima->id, &idptr);
 732                 RNA_property_pointer_set(&pprop->ptr, pprop->prop, idptr);
 733                 RNA_property_update(C, &pprop->ptr, pprop->prop);
 734         }
 735         else if(sima) {
 736                 ED_space_image_set(C, sima, scene, obedit, ima);
 737                 iuser= &sima->iuser;
 738         }
 739         else {
 740                 Tex *tex= CTX_data_pointer_get_type(C, "texture", &RNA_Texture).data;
 741                 if(tex && tex->type==TEX_IMAGE)
 742                         iuser= &tex->iuser;
 743
 744         }
 745
 746         /* initialize because of new image */
 747         if(iuser) {
 748                 iuser->sfra= 1;
 749                 iuser->offset= 0;
 750                 iuser->fie_ima= 2;
 751         }
 752
 753         /* XXX unpackImage frees image buffers */
 754         ED_preview_kill_jobs(C);
 755
 756         BKE_image_signal(ima, iuser, IMA_SIGNAL_RELOAD);
 757         WM_event_add_notifier(C, NC_IMAGE|NA_EDITED, ima);
 758
 759         MEM_freeN(op->customdata);
 760
 761         return OPERATOR_FINISHED;
 762 }
 763
 764 static int open_invoke(bContext *C, wmOperator *op, wmEvent *UNUSED(event))
 765 {
 766         SpaceImage *sima= CTX_wm_space_image(C); /* XXX other space types can call */
 767         char *path=U.textudir;
 768         Image *ima= NULL;
 769
 770         if(sima) {
 771                 ima= sima->image;
 772         }
 773
 774         if (ima==NULL) {
 775                 Tex *tex= CTX_data_pointer_get_type(C, "texture", &RNA_Texture).data;
 776                 if(tex && tex->type==TEX_IMAGE)
 777                         ima= tex->ima;
 778         }
 779
 780         if(ima)
 781                 path= ima->name;
 782
 783
 784         if(!RNA_property_is_set(op->ptr, "relative_path"))
 785                 RNA_boolean_set(op->ptr, "relative_path", U.flag & USER_RELPATHS);
 786
 787         if(RNA_property_is_set(op->ptr, "filepath"))
 788                 return open_exec(C, op);
 789
 790         open_init(C, op);
 791
 792         image_filesel(C, op, path);
 793
 794         return OPERATOR_RUNNING_MODAL;
 795 }
 796
 797 /* called by other space types too */
 798 void IMAGE_OT_open(wmOperatorType *ot)
 799 {
 800         /* identifiers */
 801         ot->name= "Open Image";
 802         ot->idname= "IMAGE_OT_open";
 803
 804         /* api callbacks */
 805         ot->exec= open_exec;
 806         ot->invoke= open_invoke;
 807         ot->cancel= open_cancel;
 808
 809         /* flags */
 810         ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
 811
 812         /* properties */
 813         WM_operator_properties_filesel(ot, FOLDERFILE|IMAGEFILE|MOVIEFILE, FILE_SPECIAL, FILE_OPENFILE, WM_FILESEL_FILEPATH|WM_FILESEL_RELPATH);
 814 }
 815
 816 /******************** replace image operator ********************/
 817
 818 static int replace_exec(bContext *C, wmOperator *op)
 819 {
 820         SpaceImage *sima= CTX_wm_space_image(C);
 821         char str[FILE_MAX];
 822
 823         if(!sima->image)
 824                 return OPERATOR_CANCELLED;
 825
 826         RNA_string_get(op->ptr, "filepath", str);
 827         BLI_strncpy(sima->image->name, str, sizeof(sima->image->name)); /* we cant do much if the str is longer then 240 :/ */
 828
 829         /* XXX unpackImage frees image buffers */
 830         ED_preview_kill_jobs(C);
 831
 832         BKE_image_signal(sima->image, &sima->iuser, IMA_SIGNAL_RELOAD);
 833         WM_event_add_notifier(C, NC_IMAGE|NA_EDITED, sima->image);
 834
 835         return OPERATOR_FINISHED;
 836 }
 837
 838 static int replace_invoke(bContext *C, wmOperator *op, wmEvent *UNUSED(event))
 839 {
 840         SpaceImage *sima= CTX_wm_space_image(C);
 841
 842         if(!sima->image)
 843                 return OPERATOR_CANCELLED;
 844
 845         if(RNA_property_is_set(op->ptr, "filepath"))
 846                 return replace_exec(C, op);
 847
 848         if(!RNA_property_is_set(op->ptr, "relative_path"))
 849                 RNA_boolean_set(op->ptr, "relative_path", (strncmp(sima->image->name, "//", 2))==0);
 850
 851         image_filesel(C, op, sima->image->name);
 852
 853         return OPERATOR_RUNNING_MODAL;
 854 }
 855
 856 void IMAGE_OT_replace(wmOperatorType *ot)
 857 {
 858         /* identifiers */
 859         ot->name= "Replace Image";
 860         ot->idname= "IMAGE_OT_replace";
 861
 862         /* api callbacks */
 863         ot->exec= replace_exec;
 864         ot->invoke= replace_invoke;
 865         ot->poll= space_image_poll;
 866
 867         /* flags */
 868         ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
 869
 870         /* properties */
 871         WM_operator_properties_filesel(ot, FOLDERFILE|IMAGEFILE|MOVIEFILE, FILE_SPECIAL, FILE_OPENFILE, WM_FILESEL_FILEPATH|WM_FILESEL_RELPATH);
 872 }
 873
 874 /******************** save image as operator ********************/
 875
 876 /* assumes name is FILE_MAX */
 877 /* ima->name and ibuf->name should end up the same */
 878 static void save_image_doit(bContext *C, SpaceImage *sima, Scene *scene, wmOperator *op, char *path, int do_newpath)
 879 {
 880         Image *ima= ED_space_image(sima);
 881         void *lock;
 882         ImBuf *ibuf= ED_space_image_acquire_buffer(sima, &lock);
 883
 884         if (ibuf) {
 885                 Main *bmain= CTX_data_main(C);
 886                 const short relative= (RNA_struct_find_property(op->ptr, "relative_path") && RNA_boolean_get(op->ptr, "relative_path"));
 887                 const short save_copy= (RNA_struct_find_property(op->ptr, "copy") && RNA_boolean_get(op->ptr, "copy"));
 888                 short ok= FALSE;
 889
 890                 BLI_path_abs(path, bmain->name);
 891                 /* old global to ensure a 2nd save goes to same dir */
 892                 BLI_strncpy(G.ima, path, sizeof(G.ima));
 893
 894                 WM_cursor_wait(1);
 895
 896                 if(ima->type == IMA_TYPE_R_RESULT) {
 897                         /* enforce user setting for RGB or RGBA, but skip BW */
 898                         if(scene->r.planes==32) {
 899                                 ibuf->depth= 32;
 900                         }
 901                         else if(scene->r.planes==24) {
 902                                 ibuf->depth= 24;
 903                         }
 904                 }
 905                 else {
 906                         /* TODO, better solution, if a 24bit image is painted onto it may contain alpha */
 907                         if(ibuf->userflags & IB_BITMAPDIRTY) { /* it has been painted onto */
 908                                 /* checks each pixel, not ideal */
 909                                 ibuf->depth= BKE_alphatest_ibuf(ibuf) ? 32 : 24;
 910                         }
 911                 }
 912
 913                 if(scene->r.scemode & R_EXTENSION)  {
 914                         BKE_add_image_extension(path, sima->imtypenr);
 915                 }
 916
 917                 if(sima->imtypenr==R_MULTILAYER) {
 918                         RenderResult *rr= BKE_image_acquire_renderresult(scene, ima);
 919                         if(rr) {
 920                                 RE_WriteRenderResult(rr, path, scene->r.quality);
 921                                 ok= TRUE;
 922                         }
 923                         else {
 924                                 BKE_report(op->reports, RPT_ERROR, "Did not write, no Multilayer Image");
 925                         }
 926                         BKE_image_release_renderresult(scene, ima);
 927                 }
 928                 else if (BKE_write_ibuf(scene, ibuf, path, sima->imtypenr, scene->r.subimtype, scene->r.quality)) {
 929                         ok= TRUE;
 930                 }
 931
 932                 if(ok)  {
 933                         if(relative)
 934                                 BLI_path_rel(path, bmain->name); /* only after saving */
 935
 936                         if(ibuf->name[0]==0) {
 937                                 BLI_strncpy(ibuf->name, path, sizeof(ibuf->name));
 938                                 BLI_strncpy(ima->name, path, sizeof(ima->name));
 939                         }
 940
 941                         if(!save_copy) {
 942                                 if(do_newpath) {
 943                                         BLI_strncpy(ima->name, path, sizeof(ima->name));
 944                                         BLI_strncpy(ibuf->name, path, sizeof(ibuf->name));
 945                                 }
 946
 947                                 ibuf->userflags &= ~IB_BITMAPDIRTY;
 948
 949                                 /* change type? */
 950                                 if(ima->type==IMA_TYPE_R_RESULT) {
 951                                         ima->type= IMA_TYPE_IMAGE;
 952
 953                                         /* workaround to ensure the render result buffer is no longer used
 954                                          * by this image, otherwise can crash when a new render result is
 955                                          * created. */
 956                                         if(ibuf->rect && !(ibuf->mall & IB_rect))
 957                                                 imb_freerectImBuf(ibuf);
 958                                         if(ibuf->rect_float && !(ibuf->mall & IB_rectfloat))
 959                                                 imb_freerectfloatImBuf(ibuf);
 960                                         if(ibuf->zbuf && !(ibuf->mall & IB_zbuf))
 961                                                 IMB_freezbufImBuf(ibuf);
 962                                         if(ibuf->zbuf_float && !(ibuf->mall & IB_zbuffloat))
 963                                                 IMB_freezbuffloatImBuf(ibuf);
 964                                 }
 965                                 if( ELEM(ima->source, IMA_SRC_GENERATED, IMA_SRC_VIEWER)) {
 966                                         ima->source= IMA_SRC_FILE;
 967                                         ima->type= IMA_TYPE_IMAGE;
 968                                 }
 969                         }
 970                 }
 971                 else {
 972                         BKE_reportf(op->reports, RPT_ERROR, "Couldn't write image: %s", path);
 973                 }
 974
 975
 976                 WM_event_add_notifier(C, NC_IMAGE|NA_EDITED, sima->image);
 977
 978                 WM_cursor_wait(0);
 979         }
 980
 981         ED_space_image_release_buffer(sima, lock);
 982 }
 983
 984 static int save_as_exec(bContext *C, wmOperator *op)
 985 {
 986         SpaceImage *sima= CTX_wm_space_image(C);
 987         Scene *scene= CTX_data_scene(C);
 988         Image *ima = ED_space_image(sima);
 989         char str[FILE_MAX];
 990
 991         if(!ima)
 992                 return OPERATOR_CANCELLED;
 993
 994         sima->imtypenr= RNA_enum_get(op->ptr, "file_type");
 995         RNA_string_get(op->ptr, "filepath", str);
 996
 997         save_image_doit(C, sima, scene, op, str, TRUE);
 998
 999         return OPERATOR_FINISHED;
1000 }
1001
1002
1003 static int save_as_check(bContext *UNUSED(C), wmOperator *op)
1004 {
1005         char filepath[FILE_MAX];
1006         RNA_string_get(op->ptr, "filepath", filepath);
1007         if(BKE_add_image_extension(filepath, RNA_enum_get(op->ptr, "file_type"))) {
1008                 RNA_string_set(op->ptr, "filepath", filepath);
1009                 return TRUE;
1010         }
1011         return FALSE;
1012 }
1013
1014 static int save_as_invoke(bContext *C, wmOperator *op, wmEvent *UNUSED(event))
1015 {
1016         SpaceImage *sima= CTX_wm_space_image(C);
1017         Image *ima = ED_space_image(sima);
1018         Scene *scene= CTX_data_scene(C);
1019         ImBuf *ibuf;
1020         char filename[FILE_MAX];
1021
1022         void *lock;
1023
1024         if(!RNA_property_is_set(op->ptr, "relative_path"))
1025                 RNA_boolean_set(op->ptr, "relative_path", U.flag & USER_RELPATHS);
1026
1027         if(RNA_property_is_set(op->ptr, "filepath"))
1028                 return save_as_exec(C, op);
1029
1030         if(!ima)
1031                 return OPERATOR_CANCELLED;
1032
1033         /* always opens fileselect */
1034         ibuf= ED_space_image_acquire_buffer(sima, &lock);
1035
1036         if(ibuf) {
1037                 /* cant save multilayer sequence, ima->rr isn't valid for a specific frame */
1038                 if(ima->rr && !(ima->source==IMA_SRC_SEQUENCE && ima->type==IMA_TYPE_MULTILAYER))
1039                         sima->imtypenr= R_MULTILAYER;
1040                 else if(ima->type==IMA_TYPE_R_RESULT)
1041                         sima->imtypenr= scene->r.imtype;
1042                 else if (ima->source == IMA_SRC_GENERATED)
1043                         sima->imtypenr= R_PNG;
1044                 else
1045                         sima->imtypenr= BKE_ftype_to_imtype(ibuf->ftype);
1046
1047                 RNA_enum_set(op->ptr, "file_type", sima->imtypenr);
1048
1049                 if(ibuf->name[0]==0)
1050                         if ( (G.ima[0] == '/') && (G.ima[1] == '/') && (G.ima[2] == '\0') ) {
1051                                 BLI_strncpy(filename, "//untitled", FILE_MAX);
1052                         } else {
1053                                 BLI_strncpy(filename, G.ima, FILE_MAX);
1054                         }
1055                 else
1056                         BLI_strncpy(filename, ibuf->name, FILE_MAX);
1057
1058                 /* enable save_copy by default for render results */
1059                 if(ELEM(ima->type, IMA_TYPE_R_RESULT, IMA_TYPE_COMPOSITE) && !RNA_property_is_set(op->ptr, "copy")) {
1060                         RNA_boolean_set(op->ptr, "copy", TRUE);
1061                 }
1062
1063                 // XXX note: we can give default menu enums to operator for this
1064                 image_filesel(C, op, filename);
1065
1066                 ED_space_image_release_buffer(sima, lock);
1067
1068                 return OPERATOR_RUNNING_MODAL;
1069         }
1070
1071         ED_space_image_release_buffer(sima, lock);
1072
1073         return OPERATOR_CANCELLED;
1074 }
1075
1076 void IMAGE_OT_save_as(wmOperatorType *ot)
1077 {
1078         /* identifiers */
1079         ot->name= "Save As Image";
1080         ot->idname= "IMAGE_OT_save_as";
1081
1082         /* api callbacks */
1083         ot->exec= save_as_exec;
1084         ot->check= save_as_check;
1085         ot->invoke= save_as_invoke;
1086         ot->poll= space_image_buffer_exists_poll;
1087
1088         /* flags */
1089         ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
1090
1091         /* properties */
1092         RNA_def_enum(ot->srna, "file_type", image_file_type_items, R_PNG, "File Type", "File type to save image as.");
1093         WM_operator_properties_filesel(ot, FOLDERFILE|IMAGEFILE|MOVIEFILE, FILE_SPECIAL, FILE_SAVE, WM_FILESEL_FILEPATH|WM_FILESEL_RELPATH);
1094
1095         RNA_def_boolean(ot->srna, "copy", 0, "Copy", "Create a new image file without modifying the current image in blender");
1096 }
1097
1098 /******************** save image operator ********************/
1099
1100 static int save_exec(bContext *C, wmOperator *op)
1101 {
1102         Main *bmain= CTX_data_main(C);
1103         SpaceImage *sima= CTX_wm_space_image(C);
1104         Image *ima = ED_space_image(sima);
1105         void *lock;
1106         ImBuf *ibuf= ED_space_image_acquire_buffer(sima, &lock);
1107         Scene *scene= CTX_data_scene(C);
1108         RenderResult *rr;
1109         char name[FILE_MAX];
1110
1111         if(!ima || !ibuf) {
1112                 ED_space_image_release_buffer(sima, lock);
1113                 return OPERATOR_CANCELLED;
1114         }
1115
1116         /* if exists, saves over without fileselect */
1117
1118         BLI_strncpy(name, ima->name, FILE_MAX);
1119         if(name[0]==0)
1120                 BLI_strncpy(name, G.ima, FILE_MAX);
1121         else
1122                 BLI_path_abs(name, bmain->name);
1123
1124         if(BLI_exists(name) && BLI_is_writable(name)) {
1125                 rr= BKE_image_acquire_renderresult(scene, ima);
1126
1127                 if(rr)
1128                         sima->imtypenr= R_MULTILAYER;
1129                 else
1130                         sima->imtypenr= BKE_ftype_to_imtype(ibuf->ftype);
1131
1132                 BKE_image_release_renderresult(scene, ima);
1133                 ED_space_image_release_buffer(sima, lock);
1134
1135                 save_image_doit(C, sima, scene, op, name, FALSE);
1136         }
1137         else {
1138                 ED_space_image_release_buffer(sima, lock);
1139
1140                 BKE_report(op->reports, RPT_ERROR, "Can not save image.");
1141                 return OPERATOR_CANCELLED;
1142         }
1143
1144         return OPERATOR_FINISHED;
1145 }
1146
1147 void IMAGE_OT_save(wmOperatorType *ot)
1148 {
1149         /* identifiers */
1150         ot->name= "Save Image";
1151         ot->idname= "IMAGE_OT_save";
1152
1153         /* api callbacks */
1154         ot->exec= save_exec;
1155         ot->poll= space_image_file_exists_poll;
1156
1157         /* flags */
1158         ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
1159 }
1160
1161 /******************* save sequence operator ********************/
1162
1163 static int save_sequence_exec(bContext *C, wmOperator *op)
1164 {
1165         Main *bmain= CTX_data_main(C);
1166         SpaceImage *sima= CTX_wm_space_image(C);
1167         ImBuf *ibuf;
1168         int tot= 0;
1169         char di[FILE_MAX], fi[FILE_MAX];
1170
1171         if(sima->image==NULL)
1172                 return OPERATOR_CANCELLED;
1173
1174         if(sima->image->source!=IMA_SRC_SEQUENCE) {
1175                 BKE_report(op->reports, RPT_ERROR, "Can only save sequence on image sequences.");
1176                 return OPERATOR_CANCELLED;
1177         }
1178
1179         if(sima->image->type==IMA_TYPE_MULTILAYER) {
1180                 BKE_report(op->reports, RPT_ERROR, "Can't save multilayer sequences.");
1181                 return OPERATOR_CANCELLED;
1182         }
1183
1184         /* get total */
1185         for(ibuf= sima->image->ibufs.first; ibuf; ibuf= ibuf->next)
1186                 if(ibuf->userflags & IB_BITMAPDIRTY)
1187                         tot++;
1188
1189         if(tot==0) {
1190                 BKE_report(op->reports, RPT_WARNING, "No images have been changed.");
1191                 return OPERATOR_CANCELLED;
1192         }
1193
1194         /* get a filename for menu */
1195         for(ibuf= sima->image->ibufs.first; ibuf; ibuf= ibuf->next)
1196                 if(ibuf->userflags & IB_BITMAPDIRTY)
1197                         break;
1198
1199         BLI_strncpy(di, ibuf->name, FILE_MAX);
1200         BLI_splitdirstring(di, fi);
1201
1202         BKE_reportf(op->reports, RPT_INFO, "%d Image(s) will be saved in %s", tot, di);
1203
1204         for(ibuf= sima->image->ibufs.first; ibuf; ibuf= ibuf->next) {
1205                 if(ibuf->userflags & IB_BITMAPDIRTY) {
1206                         char name[FILE_MAX];
1207                         BLI_strncpy(name, ibuf->name, sizeof(name));
1208
1209                         BLI_path_abs(name, bmain->name);
1210
1211                         if(0 == IMB_saveiff(ibuf, name, IB_rect | IB_zbuf | IB_zbuffloat)) {
1212                                 BKE_reportf(op->reports, RPT_ERROR, "Could not write image %s.", name);
1213                                 break;
1214                         }
1215
1216                         BKE_reportf(op->reports, RPT_INFO, "Saved: %s\n", ibuf->name);
1217                         ibuf->userflags &= ~IB_BITMAPDIRTY;
1218                 }
1219         }
1220
1221         return OPERATOR_FINISHED;
1222 }
1223
1224 void IMAGE_OT_save_sequence(wmOperatorType *ot)
1225 {
1226         /* identifiers */
1227         ot->name= "Save Sequence";
1228         ot->idname= "IMAGE_OT_save_sequence";
1229
1230         /* api callbacks */
1231         ot->exec= save_sequence_exec;
1232         ot->poll= space_image_buffer_exists_poll;
1233
1234         /* flags */
1235         ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
1236 }
1237
1238 /******************** reload image operator ********************/
1239
1240 static int reload_exec(bContext *C, wmOperator *UNUSED(op))
1241 {
1242         Image *ima= CTX_data_edit_image(C);
1243         SpaceImage *sima= CTX_wm_space_image(C);
1244
1245         if(!ima)
1246                 return OPERATOR_CANCELLED;
1247
1248         /* XXX unpackImage frees image buffers */
1249         ED_preview_kill_jobs(C);
1250
1251         // XXX other users?
1252         BKE_image_signal(ima, (sima)? &sima->iuser: NULL, IMA_SIGNAL_RELOAD);
1253
1254         WM_event_add_notifier(C, NC_IMAGE|NA_EDITED, ima);
1255
1256         return OPERATOR_FINISHED;
1257 }
1258
1259 void IMAGE_OT_reload(wmOperatorType *ot)
1260 {
1261         /* identifiers */
1262         ot->name= "Reload Image";
1263         ot->idname= "IMAGE_OT_reload";
1264
1265         /* api callbacks */
1266         ot->exec= reload_exec;
1267
1268         /* flags */
1269         ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
1270 }
1271
1272 /********************** new image operator *********************/
1273
1274 static int image_new_exec(bContext *C, wmOperator *op)
1275 {
1276         SpaceImage *sima;
1277         Scene *scene;
1278         Object *obedit;
1279         Image *ima;
1280         PointerRNA ptr, idptr;
1281         PropertyRNA *prop;
1282         char name[MAX_ID_NAME-2];
1283         float color[4];
1284         int width, height, floatbuf, uvtestgrid, alpha;
1285
1286         /* retrieve state */
1287         sima= CTX_wm_space_image(C);
1288         scene= (Scene*)CTX_data_scene(C);
1289         obedit= CTX_data_edit_object(C);
1290
1291         RNA_string_get(op->ptr, "name", name);
1292         width= RNA_int_get(op->ptr, "width");
1293         height= RNA_int_get(op->ptr, "height");
1294         floatbuf= RNA_boolean_get(op->ptr, "float");
1295         uvtestgrid= RNA_boolean_get(op->ptr, "uv_test_grid");
1296         RNA_float_get_array(op->ptr, "color", color);
1297         alpha= RNA_boolean_get(op->ptr, "alpha");
1298
1299         if (!floatbuf && scene->r.color_mgt_flag & R_COLOR_MANAGEMENT)
1300                 linearrgb_to_srgb_v3_v3(color, color);
1301
1302         if(!alpha)
1303                 color[3]= 1.0f;
1304
1305         ima = BKE_add_image_size(width, height, name, alpha ? 32 : 24, floatbuf, uvtestgrid, color);
1306
1307         if(!ima)
1308                 return OPERATOR_CANCELLED;
1309
1310         /* hook into UI */
1311         uiIDContextProperty(C, &ptr, &prop);
1312
1313         if(prop) {
1314                 /* when creating new ID blocks, use is already 1, but RNA
1315                  * pointer se also increases user, so this compensates it */
1316                 ima->id.us--;
1317
1318                 RNA_id_pointer_create(&ima->id, &idptr);
1319                 RNA_property_pointer_set(&ptr, prop, idptr);
1320                 RNA_property_update(C, &ptr, prop);
1321         }
1322         else if(sima)
1323                 ED_space_image_set(C, sima, scene, obedit, ima);
1324
1325         // XXX other users?
1326         BKE_image_signal(ima, (sima)? &sima->iuser: NULL, IMA_SIGNAL_USER_NEW_IMAGE);
1327
1328         return OPERATOR_FINISHED;
1329 }
1330
1331 /* XXX, Ton is not a fan of OK buttons but using this function to avoid undo/redo bug while in mesh-editmode, - campbell */
1332 static int image_new_invoke(bContext *C, wmOperator *op, wmEvent *UNUSED(event))
1333 {
1334         return WM_operator_props_dialog_popup(C, op, 300, 100);
1335
1336 }
1337
1338 void IMAGE_OT_new(wmOperatorType *ot)
1339 {
1340         PropertyRNA *prop;
1341         static float default_color[4]= {0.0f, 0.0f, 0.0f, 1.0f};
1342
1343         /* identifiers */
1344         ot->name= "New Image";
1345         ot->idname= "IMAGE_OT_new";
1346
1347         /* api callbacks */
1348         ot->exec= image_new_exec;
1349         ot->invoke= image_new_invoke;
1350
1351         /* flags */
1352         ot->flag= OPTYPE_UNDO;
1353
1354         /* properties */
1355         RNA_def_string(ot->srna, "name", "untitled", MAX_ID_NAME-2, "Name", "Image datablock name.");
1356         RNA_def_int(ot->srna, "width", 1024, 1, INT_MAX, "Width", "Image width.", 1, 16384);
1357         RNA_def_int(ot->srna, "height", 1024, 1, INT_MAX, "Height", "Image height.", 1, 16384);
1358         prop= RNA_def_float_color(ot->srna, "color", 4, NULL, 0.0f, FLT_MAX, "Color", "Default fill color.", 0.0f, 1.0f);
1359         RNA_def_property_float_array_default(prop, default_color);
1360         RNA_def_boolean(ot->srna, "alpha", 1, "Alpha", "Create an image with an alpha channel.");
1361         RNA_def_boolean(ot->srna, "uv_test_grid", 0, "UV Test Grid", "Fill the image with a grid for UV map testing.");
1362         RNA_def_boolean(ot->srna, "float", 0, "32 bit Float", "Create image with 32 bit floating point bit depth.");
1363 }
1364
1365 /********************* invert operators *********************/
1366
1367 static int image_invert_poll(bContext *C)
1368 {
1369         Image *ima= CTX_data_edit_image(C);
1370         ImBuf *ibuf= BKE_image_get_ibuf(ima, NULL);
1371
1372         if( ibuf != NULL )
1373                 return 1;
1374         return 0;
1375 }
1376
1377 static int image_invert_exec(bContext *C, wmOperator *op)
1378 {
1379         Image *ima= CTX_data_edit_image(C);
1380         ImBuf *ibuf= BKE_image_get_ibuf(ima, NULL);
1381
1382         // flags indicate if this channel should be inverted
1383         const short r= RNA_boolean_get(op->ptr, "invert_r");
1384         const short g= RNA_boolean_get(op->ptr, "invert_g");
1385         const short b= RNA_boolean_get(op->ptr, "invert_b");
1386         const short a= RNA_boolean_get(op->ptr, "invert_a");
1387
1388         int i;
1389
1390         if( ibuf == NULL) // TODO: this should actually never happen, but does for render-results -> cleanup
1391                 return OPERATOR_CANCELLED;
1392
1393         /* TODO: make this into an IMB_invert_channels(ibuf,r,g,b,a) method!? */
1394         if (ibuf->rect_float) {
1395
1396                 float *fp = (float *) ibuf->rect_float;
1397                 for( i = ibuf->x * ibuf->y; i > 0; i--, fp+=4 ) {
1398                         if( r ) fp[0] = 1.0f - fp[0];
1399                         if( g ) fp[1] = 1.0f - fp[1];
1400                         if( b ) fp[2] = 1.0f - fp[2];
1401                         if( a ) fp[3] = 1.0f - fp[3];
1402                 }
1403
1404                 if(ibuf->rect) {
1405                         IMB_rect_from_float(ibuf);
1406                 }
1407         }
1408         else if(ibuf->rect) {
1409
1410                 char *cp = (char *) ibuf->rect;
1411                 for( i = ibuf->x * ibuf->y; i > 0; i--, cp+=4 ) {
1412                         if( r ) cp[0] = 255 - cp[0];
1413                         if( g ) cp[1] = 255 - cp[1];
1414                         if( b ) cp[2] = 255 - cp[2];
1415                         if( a ) cp[3] = 255 - cp[3];
1416                 }
1417         }
1418         else {
1419                 return OPERATOR_CANCELLED;
1420         }
1421
1422         ibuf->userflags |= IB_BITMAPDIRTY;
1423         WM_event_add_notifier(C, NC_IMAGE|NA_EDITED, ima);
1424         return OPERATOR_FINISHED;
1425 }
1426
1427 void IMAGE_OT_invert(wmOperatorType *ot)
1428 {
1429         /* identifiers */
1430         ot->name= "Invert Channels";
1431         ot->idname= "IMAGE_OT_invert";
1432
1433         /* api callbacks */
1434         ot->exec= image_invert_exec;
1435         ot->poll= image_invert_poll;
1436
1437         /* properties */
1438         RNA_def_boolean(ot->srna, "invert_r", 0, "Red", "Invert Red Channel");
1439         RNA_def_boolean(ot->srna, "invert_g", 0, "Green", "Invert Green Channel");
1440         RNA_def_boolean(ot->srna, "invert_b", 0, "Blue", "Invert Blue Channel");
1441         RNA_def_boolean(ot->srna, "invert_a", 0, "Alpha", "Invert Alpha Channel");
1442
1443         /* flags */
1444         ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
1445 }
1446
1447 /********************* pack operator *********************/
1448
1449 static int pack_test(bContext *C, wmOperator *op)
1450 {
1451         Image *ima= CTX_data_edit_image(C);
1452         int as_png= RNA_boolean_get(op->ptr, "as_png");
1453
1454         if(!ima)
1455                 return 0;
1456         if(!as_png && ima->packedfile)
1457                 return 0;
1458
1459         if(ima->source==IMA_SRC_SEQUENCE || ima->source==IMA_SRC_MOVIE) {
1460                 BKE_report(op->reports, RPT_ERROR, "Packing movies or image sequences not supported.");
1461                 return 0;
1462         }
1463
1464         return 1;
1465 }
1466
1467 static int pack_exec(bContext *C, wmOperator *op)
1468 {
1469         Image *ima= CTX_data_edit_image(C);
1470         ImBuf *ibuf= BKE_image_get_ibuf(ima, NULL);
1471         int as_png= RNA_boolean_get(op->ptr, "as_png");
1472
1473         if(!pack_test(C, op))
1474                 return OPERATOR_CANCELLED;
1475
1476         if(!as_png && (ibuf && (ibuf->userflags & IB_BITMAPDIRTY))) {
1477                 BKE_report(op->reports, RPT_ERROR, "Can't pack edited image from disk, only as internal PNG.");
1478                 return OPERATOR_CANCELLED;
1479         }
1480
1481         if(as_png)
1482                 BKE_image_memorypack(ima);
1483         else
1484                 ima->packedfile= newPackedFile(op->reports, ima->name);
1485
1486         WM_event_add_notifier(C, NC_IMAGE|NA_EDITED, ima);
1487
1488         return OPERATOR_FINISHED;
1489 }
1490
1491 static int pack_invoke(bContext *C, wmOperator *op, wmEvent *UNUSED(event))
1492 {
1493         Image *ima= CTX_data_edit_image(C);
1494         ImBuf *ibuf= BKE_image_get_ibuf(ima, NULL);
1495         uiPopupMenu *pup;
1496         uiLayout *layout;
1497         int as_png= RNA_boolean_get(op->ptr, "as_png");
1498
1499         if(!pack_test(C, op))
1500                 return OPERATOR_CANCELLED;
1501
1502         if(!as_png && (ibuf && (ibuf->userflags & IB_BITMAPDIRTY))) {
1503                 pup= uiPupMenuBegin(C, "OK", ICON_QUESTION);
1504                 layout= uiPupMenuLayout(pup);
1505                 uiItemBooleanO(layout, "Can't pack edited image from disk. Pack as internal PNG?", ICON_NONE, op->idname, "as_png", 1);
1506                 uiPupMenuEnd(C, pup);
1507
1508                 return OPERATOR_CANCELLED;
1509         }
1510
1511         return pack_exec(C, op);
1512 }
1513
1514 void IMAGE_OT_pack(wmOperatorType *ot)
1515 {
1516         /* identifiers */
1517         ot->name= "Pack Image";
1518         ot->description= "Pack an image as embedded data into the .blend file";
1519         ot->idname= "IMAGE_OT_pack";
1520
1521         /* api callbacks */
1522         ot->exec= pack_exec;
1523         ot->invoke= pack_invoke;
1524
1525         /* flags */
1526         ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
1527
1528         /* properties */
1529         RNA_def_boolean(ot->srna, "as_png", 0, "Pack As PNG", "Pack image as lossless PNG.");
1530 }
1531
1532 /********************* unpack operator *********************/
1533
1534 static int image_unpack_exec(bContext *C, wmOperator *op)
1535 {
1536         Image *ima= CTX_data_edit_image(C);
1537         int method= RNA_enum_get(op->ptr, "method");
1538
1539         /* find the suppplied image by name */
1540         if (RNA_property_is_set(op->ptr, "id")) {
1541                 char imaname[MAX_ID_NAME-2];
1542                 RNA_string_get(op->ptr, "id", imaname);
1543                 ima = BLI_findstring(&CTX_data_main(C)->image, imaname, offsetof(ID, name) + 2);
1544                 if (!ima) ima = CTX_data_edit_image(C);
1545         }
1546
1547         if(!ima || !ima->packedfile)
1548                 return OPERATOR_CANCELLED;
1549
1550         if(ima->source==IMA_SRC_SEQUENCE || ima->source==IMA_SRC_MOVIE) {
1551                 BKE_report(op->reports, RPT_ERROR, "Unpacking movies or image sequences not supported.");
1552                 return OPERATOR_CANCELLED;
1553         }
1554
1555         if(G.fileflags & G_AUTOPACK)
1556                 BKE_report(op->reports, RPT_WARNING, "AutoPack is enabled, so image will be packed again on file save.");
1557
1558         /* XXX unpackImage frees image buffers */
1559         ED_preview_kill_jobs(C);
1560
1561         unpackImage(op->reports, ima, method);
1562
1563         WM_event_add_notifier(C, NC_IMAGE|NA_EDITED, ima);
1564
1565         return OPERATOR_FINISHED;
1566 }
1567
1568 static int image_unpack_invoke(bContext *C, wmOperator *op, wmEvent *UNUSED(event))
1569 {
1570         Image *ima= CTX_data_edit_image(C);
1571
1572         if(RNA_property_is_set(op->ptr, "id"))
1573                 return image_unpack_exec(C, op);
1574
1575         if(!ima || !ima->packedfile)
1576                 return OPERATOR_CANCELLED;
1577
1578         if(ima->source==IMA_SRC_SEQUENCE || ima->source==IMA_SRC_MOVIE) {
1579                 BKE_report(op->reports, RPT_ERROR, "Unpacking movies or image sequences not supported.");
1580                 return OPERATOR_CANCELLED;
1581         }
1582
1583         if(G.fileflags & G_AUTOPACK)
1584                 BKE_report(op->reports, RPT_WARNING, "AutoPack is enabled, so image will be packed again on file save.");
1585
1586         unpack_menu(C, "IMAGE_OT_unpack", ima->id.name+2, ima->name, "textures", ima->packedfile);
1587
1588         return OPERATOR_FINISHED;
1589 }
1590
1591 void IMAGE_OT_unpack(wmOperatorType *ot)
1592 {
1593         /* identifiers */
1594         ot->name= "Unpack Image";
1595         ot->description= "Save an image packed in the .blend file to disk";
1596         ot->idname= "IMAGE_OT_unpack";
1597
1598         /* api callbacks */
1599         ot->exec= image_unpack_exec;
1600         ot->invoke= image_unpack_invoke;
1601
1602         /* flags */
1603         ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
1604
1605         /* properties */
1606         RNA_def_enum(ot->srna, "method", unpack_method_items, PF_USE_LOCAL, "Method", "How to unpack.");
1607         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 */
1608 }
1609
1610 /******************** sample image operator ********************/
1611
1612 typedef struct ImageSampleInfo {
1613         ARegionType *art;
1614         void *draw_handle;
1615         int x, y;
1616         int channels;
1617
1618         char col[4];
1619         float colf[4];
1620         int z;
1621         float zf;
1622
1623         char *colp;
1624         float *colfp;
1625         int *zp;
1626         float *zfp;
1627
1628         int draw;
1629 } ImageSampleInfo;
1630
1631 static void sample_draw(const bContext *UNUSED(C), ARegion *ar, void *arg_info)
1632 {
1633         ImageSampleInfo *info= arg_info;
1634         if(info->draw) {
1635                 /* no color management needed for images (color_manage=0) */
1636                 draw_image_info(ar, 0, info->channels, info->x, info->y, info->colp, info->colfp, info->zp, info->zfp);
1637         }
1638 }
1639
1640 static void sample_apply(bContext *C, wmOperator *op, wmEvent *event)
1641 {
1642         SpaceImage *sima= CTX_wm_space_image(C);
1643         ARegion *ar= CTX_wm_region(C);
1644         void *lock;
1645         ImBuf *ibuf= ED_space_image_acquire_buffer(sima, &lock);
1646         ImageSampleInfo *info= op->customdata;
1647         float fx, fy;
1648         int mx, my;
1649
1650         if(ibuf == NULL) {
1651                 ED_space_image_release_buffer(sima, lock);
1652                 return;
1653         }
1654
1655         mx= event->x - ar->winrct.xmin;
1656         my= event->y - ar->winrct.ymin;
1657         UI_view2d_region_to_view(&ar->v2d, mx, my, &fx, &fy);
1658
1659         if(fx>=0.0f && fy>=0.0f && fx<1.0f && fy<1.0f) {
1660                 float *fp;
1661                 char *cp;
1662                 int x= (int)(fx*ibuf->x), y= (int)(fy*ibuf->y);
1663
1664                 CLAMP(x, 0, ibuf->x-1);
1665                 CLAMP(y, 0, ibuf->y-1);
1666
1667                 info->x= x;
1668                 info->y= y;
1669                 info->draw= 1;
1670                 info->channels= ibuf->channels;
1671
1672                 info->colp= NULL;
1673                 info->colfp= NULL;
1674                 info->zp= NULL;
1675                 info->zfp= NULL;
1676
1677                 if(ibuf->rect) {
1678                         cp= (char *)(ibuf->rect + y*ibuf->x + x);
1679
1680                         info->col[0]= cp[0];
1681                         info->col[1]= cp[1];
1682                         info->col[2]= cp[2];
1683                         info->col[3]= cp[3];
1684                         info->colp= info->col;
1685
1686                         info->colf[0]= (float)cp[0]/255.0f;
1687                         info->colf[1]= (float)cp[1]/255.0f;
1688                         info->colf[2]= (float)cp[2]/255.0f;
1689                         info->colf[3]= (float)cp[3]/255.0f;
1690                         info->colfp= info->colf;
1691                 }
1692                 if(ibuf->rect_float) {
1693                         fp= (ibuf->rect_float + (ibuf->channels)*(y*ibuf->x + x));
1694
1695                         info->colf[0]= fp[0];
1696                         info->colf[1]= fp[1];
1697                         info->colf[2]= fp[2];
1698                         info->colf[3]= fp[3];
1699                         info->colfp= info->colf;
1700                 }
1701
1702                 if(ibuf->zbuf) {
1703                         info->z= ibuf->zbuf[y*ibuf->x + x];
1704                         info->zp= &info->z;
1705                 }
1706                 if(ibuf->zbuf_float) {
1707                         info->zf= ibuf->zbuf_float[y*ibuf->x + x];
1708                         info->zfp= &info->zf;
1709                 }
1710
1711                 if(sima->cumap && ibuf->channels==4) {
1712                         /* we reuse this callback for set curves point operators */
1713                         if(RNA_struct_find_property(op->ptr, "point")) {
1714                                 int point= RNA_enum_get(op->ptr, "point");
1715
1716                                 if(point == 1) {
1717                                         curvemapping_set_black_white(sima->cumap, NULL, info->colfp);
1718                                         if(ibuf->rect_float)
1719                                                 curvemapping_do_ibuf(sima->cumap, ibuf);
1720                                 }
1721                                 else if(point == 0) {
1722                                         curvemapping_set_black_white(sima->cumap, info->colfp, NULL);
1723                                         if(ibuf->rect_float)
1724                                                 curvemapping_do_ibuf(sima->cumap, ibuf);
1725                                 }
1726                         }
1727                 }
1728
1729                 // XXX node curve integration ..
1730 #if 0
1731                 {
1732                         ScrArea *sa, *cur= curarea;
1733
1734                         node_curvemap_sample(fp);       /* sends global to node editor */
1735                         for(sa= G.curscreen->areabase.first; sa; sa= sa->next) {
1736                                 if(sa->spacetype==SPACE_NODE) {
1737                                         areawinset(sa->win);
1738                                         scrarea_do_windraw(sa);
1739                                 }
1740                         }
1741                         node_curvemap_sample(NULL);             /* clears global in node editor */
1742                         curarea= cur;
1743                 }
1744 #endif
1745         }
1746         else
1747                 info->draw= 0;
1748
1749         ED_space_image_release_buffer(sima, lock);
1750         ED_area_tag_redraw(CTX_wm_area(C));
1751 }
1752
1753 static void sample_exit(bContext *C, wmOperator *op)
1754 {
1755         ImageSampleInfo *info= op->customdata;
1756
1757         ED_region_draw_cb_exit(info->art, info->draw_handle);
1758         ED_area_tag_redraw(CTX_wm_area(C));
1759         MEM_freeN(info);
1760 }
1761
1762 static int sample_invoke(bContext *C, wmOperator *op, wmEvent *event)
1763 {
1764         SpaceImage *sima= CTX_wm_space_image(C);
1765         ARegion *ar= CTX_wm_region(C);
1766         ImageSampleInfo *info;
1767
1768         if(!ED_space_image_has_buffer(sima))
1769                 return OPERATOR_CANCELLED;
1770
1771         info= MEM_callocN(sizeof(ImageSampleInfo), "ImageSampleInfo");
1772         info->art= ar->type;
1773         info->draw_handle = ED_region_draw_cb_activate(ar->type, sample_draw, info, REGION_DRAW_POST_PIXEL);
1774         op->customdata= info;
1775
1776         sample_apply(C, op, event);
1777
1778         WM_event_add_modal_handler(C, op);
1779
1780         return OPERATOR_RUNNING_MODAL;
1781 }
1782
1783 static int sample_modal(bContext *C, wmOperator *op, wmEvent *event)
1784 {
1785         switch(event->type) {
1786                 case LEFTMOUSE:
1787                 case RIGHTMOUSE: // XXX hardcoded
1788                         sample_exit(C, op);
1789                         return OPERATOR_CANCELLED;
1790                 case MOUSEMOVE:
1791                         sample_apply(C, op, event);
1792                         break;
1793         }
1794
1795         return OPERATOR_RUNNING_MODAL;
1796 }
1797
1798 static int sample_cancel(bContext *C, wmOperator *op)
1799 {
1800         sample_exit(C, op);
1801         return OPERATOR_CANCELLED;
1802 }
1803
1804 void IMAGE_OT_sample(wmOperatorType *ot)
1805 {
1806         /* identifiers */
1807         ot->name= "Sample Color";
1808         ot->idname= "IMAGE_OT_sample";
1809
1810         /* api callbacks */
1811         ot->invoke= sample_invoke;
1812         ot->modal= sample_modal;
1813         ot->cancel= sample_cancel;
1814         ot->poll= space_image_main_area_poll;
1815
1816         /* flags */
1817         ot->flag= OPTYPE_BLOCKING;
1818 }
1819
1820 /******************** sample line operator ********************/
1821 static int sample_line_exec(bContext *C, wmOperator *op)
1822 {
1823         SpaceImage *sima= CTX_wm_space_image(C);
1824         ARegion *ar= CTX_wm_region(C);
1825         Scene *scene= CTX_data_scene(C);
1826
1827         int x_start= RNA_int_get(op->ptr, "xstart");
1828         int y_start= RNA_int_get(op->ptr, "ystart");
1829         int x_end= RNA_int_get(op->ptr, "xend");
1830         int y_end= RNA_int_get(op->ptr, "yend");
1831
1832         void *lock;
1833         ImBuf *ibuf= ED_space_image_acquire_buffer(sima, &lock);
1834         Histogram *hist= &sima->sample_line_hist;
1835
1836         float x1f, y1f, x2f, y2f;
1837         int x1, y1, x2, y2;
1838         int i, x, y;
1839         float *fp;
1840         float rgb[3];
1841         unsigned char *cp;
1842
1843         if (ibuf == NULL) {
1844                 ED_space_image_release_buffer(sima, lock);
1845                 return OPERATOR_CANCELLED;
1846         }
1847         /* hmmmm */
1848         if (ibuf->channels < 3) {
1849                 ED_space_image_release_buffer(sima, lock);
1850                 return OPERATOR_CANCELLED;
1851         }
1852
1853         UI_view2d_region_to_view(&ar->v2d, x_start, y_start, &x1f, &y1f);
1854         UI_view2d_region_to_view(&ar->v2d, x_end, y_end, &x2f, &y2f);
1855         x1= 0.5f+ x1f*ibuf->x;
1856         x2= 0.5f+ x2f*ibuf->x;
1857         y1= 0.5f+ y1f*ibuf->y;
1858         y2= 0.5f+ y2f*ibuf->y;
1859
1860         hist->channels = 3;
1861         hist->x_resolution = 256;
1862         hist->xmax = 1.0f;
1863         hist->ymax = 1.0f;
1864
1865         for (i=0; i<256; i++) {
1866                 x= (int)(0.5f + x1 + (float)i*(x2-x1)/255.0f);
1867                 y= (int)(0.5f + y1 + (float)i*(y2-y1)/255.0f);
1868
1869                 if (x<0 || y<0 || x>=ibuf->x || y>=ibuf->y) {
1870                         hist->data_luma[i] = hist->data_r[i] = hist->data_g[i]= hist->data_b[i] = 0.0f;
1871                 } else {
1872                         if (ibuf->rect_float) {
1873                                 fp= (ibuf->rect_float + (ibuf->channels)*(y*ibuf->x + x));
1874
1875                                 if (scene->r.color_mgt_flag & R_COLOR_MANAGEMENT)
1876                                         linearrgb_to_srgb_v3_v3(rgb, fp);
1877                                 else
1878                                         copy_v3_v3(rgb, fp);
1879
1880                                 hist->data_r[i] = rgb[0];
1881                                 hist->data_g[i] = rgb[1];
1882                                 hist->data_b[i] = rgb[2];
1883                                 hist->data_luma[i] = (0.299f*rgb[0] + 0.587f*rgb[1] + 0.114f*rgb[2]);
1884                         }
1885                         else if (ibuf->rect) {
1886                                 cp= (unsigned char *)(ibuf->rect + y*ibuf->x + x);
1887                                 hist->data_r[i] = (float)cp[0]/255.0f;
1888                                 hist->data_g[i] = (float)cp[1]/255.0f;
1889                                 hist->data_b[i] = (float)cp[2]/255.0f;
1890                                 hist->data_luma[i] = (0.299f*cp[0] + 0.587f*cp[1] + 0.114f*cp[2])/255;
1891                         }
1892                 }
1893         }
1894
1895         ED_space_image_release_buffer(sima, lock);
1896
1897         ED_area_tag_redraw(CTX_wm_area(C));
1898
1899         return OPERATOR_FINISHED;
1900 }
1901
1902 static int sample_line_invoke(bContext *C, wmOperator *op, wmEvent *event)
1903 {
1904         SpaceImage *sima= CTX_wm_space_image(C);
1905
1906         if(!ED_space_image_has_buffer(sima))
1907                 return OPERATOR_CANCELLED;
1908
1909         return WM_gesture_straightline_invoke(C, op, event);
1910 }
1911
1912 void IMAGE_OT_sample_line(wmOperatorType *ot)
1913 {
1914         /* identifiers */
1915         ot->name= "Sample Line";
1916         ot->idname= "IMAGE_OT_sample_line";
1917
1918         /* api callbacks */
1919         ot->invoke= sample_line_invoke;
1920         ot->modal= WM_gesture_straightline_modal;
1921         ot->exec= sample_line_exec;
1922         ot->poll= space_image_main_area_poll;
1923
1924         /* flags */
1925         ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
1926
1927         WM_operator_properties_gesture_straightline(ot, CURSOR_EDIT);
1928 }
1929
1930 /******************** set curve point operator ********************/
1931
1932 void IMAGE_OT_curves_point_set(wmOperatorType *ot)
1933 {
1934         static EnumPropertyItem point_items[]= {
1935                 {0, "BLACK_POINT", 0, "Black Point", ""},
1936                 {1, "WHITE_POINT", 0, "White Point", ""},
1937                 {0, NULL, 0, NULL, NULL}};
1938
1939         /* identifiers */
1940         ot->name= "Set Curves Point";
1941         ot->idname= "IMAGE_OT_curves_point_set";
1942
1943         /* flags */
1944         ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
1945
1946         /* api callbacks */
1947         ot->invoke= sample_invoke;
1948         ot->modal= sample_modal;
1949         ot->cancel= sample_cancel;
1950         ot->poll= space_image_main_area_poll;
1951
1952         /* properties */
1953         RNA_def_enum(ot->srna, "point", point_items, 0, "Point", "Set black point or white point for curves.");
1954 }
1955
1956 /******************** record composite operator *********************/
1957
1958 typedef struct RecordCompositeData {
1959         wmTimer *timer;
1960         int old_cfra;
1961         int sfra, efra;
1962 } RecordCompositeData;
1963
1964 static int record_composite_apply(bContext *C, wmOperator *op)
1965 {
1966         SpaceImage *sima= CTX_wm_space_image(C);
1967         RecordCompositeData *rcd= op->customdata;
1968         Scene *scene= CTX_data_scene(C);
1969         ImBuf *ibuf;
1970
1971         WM_timecursor(CTX_wm_window(C), scene->r.cfra);
1972
1973         // XXX scene->nodetree->test_break= blender_test_break;
1974         // XXX scene->nodetree->test_break= NULL;
1975
1976         BKE_image_all_free_anim_ibufs(scene->r.cfra);
1977         ntreeCompositTagAnimated(scene->nodetree);
1978         ntreeCompositExecTree(scene->nodetree, &scene->r, scene->r.cfra != rcd->old_cfra);      /* 1 is no previews */
1979
1980         ED_area_tag_redraw(CTX_wm_area(C));
1981
1982         ibuf= BKE_image_get_ibuf(sima->image, &sima->iuser);
1983         /* save memory in flipbooks */
1984         if(ibuf)
1985                 imb_freerectfloatImBuf(ibuf);
1986
1987         scene->r.cfra++;
1988
1989         return (scene->r.cfra <= rcd->efra);
1990 }
1991
1992 static int record_composite_init(bContext *C, wmOperator *op)
1993 {
1994         SpaceImage *sima= CTX_wm_space_image(C);
1995         Scene *scene= CTX_data_scene(C);
1996         RecordCompositeData *rcd;
1997
1998         if(sima->iuser.frames < 2)
1999                 return 0;
2000         if(scene->nodetree == NULL)
2001                 return 0;
2002
2003         op->customdata= rcd= MEM_callocN(sizeof(RecordCompositeData), "ImageRecordCompositeData");
2004
2005         rcd->old_cfra= scene->r.cfra;
2006         rcd->sfra= sima->iuser.sfra;
2007         rcd->efra= sima->iuser.sfra + sima->iuser.frames-1;
2008         scene->r.cfra= rcd->sfra;
2009
2010         return 1;
2011 }
2012
2013 static void record_composite_exit(bContext *C, wmOperator *op)
2014 {
2015         Scene *scene= CTX_data_scene(C);
2016         SpaceImage *sima= CTX_wm_space_image(C);
2017         RecordCompositeData *rcd= op->customdata;
2018
2019         scene->r.cfra= rcd->old_cfra;
2020
2021         WM_cursor_restore(CTX_wm_window(C));
2022
2023         if(rcd->timer)
2024                 WM_event_remove_timer(CTX_wm_manager(C), CTX_wm_window(C), rcd->timer);
2025
2026         WM_event_add_notifier(C, NC_IMAGE|NA_EDITED, sima->image);
2027
2028         // XXX play_anim(0);
2029         // XXX allqueue(REDRAWNODE, 1);
2030
2031         MEM_freeN(rcd);
2032 }
2033
2034 static int record_composite_exec(bContext *C, wmOperator *op)
2035 {
2036         if(!record_composite_init(C, op))
2037                 return OPERATOR_CANCELLED;
2038
2039         while(record_composite_apply(C, op))
2040                 ;
2041
2042         record_composite_exit(C, op);
2043
2044         return OPERATOR_FINISHED;
2045 }
2046
2047 static int record_composite_invoke(bContext *C, wmOperator *op, wmEvent *UNUSED(event))
2048 {
2049         RecordCompositeData *rcd;
2050
2051         if(!record_composite_init(C, op))
2052                 return OPERATOR_CANCELLED;
2053
2054         rcd= op->customdata;
2055         rcd->timer= WM_event_add_timer(CTX_wm_manager(C), CTX_wm_window(C), TIMER, 0.0f);
2056         WM_event_add_modal_handler(C, op);
2057
2058         if(!record_composite_apply(C, op))
2059                 return OPERATOR_FINISHED;
2060
2061         return OPERATOR_RUNNING_MODAL;
2062 }
2063
2064 static int record_composite_modal(bContext *C, wmOperator *op, wmEvent *event)
2065 {
2066         RecordCompositeData *rcd= op->customdata;
2067
2068         switch(event->type) {
2069                 case TIMER:
2070                         if(rcd->timer == event->customdata) {
2071                                 if(!record_composite_apply(C, op)) {
2072                                         record_composite_exit(C, op);
2073                                         return OPERATOR_FINISHED;
2074                                 }
2075                         }
2076                         break;
2077                 case ESCKEY:
2078                         record_composite_exit(C, op);
2079                         return OPERATOR_FINISHED;
2080         }
2081
2082         return OPERATOR_RUNNING_MODAL;
2083 }
2084
2085 static int record_composite_cancel(bContext *C, wmOperator *op)
2086 {
2087         record_composite_exit(C, op);
2088         return OPERATOR_CANCELLED;
2089 }
2090
2091 void IMAGE_OT_record_composite(wmOperatorType *ot)
2092 {
2093         /* identifiers */
2094         ot->name= "Record Composite";
2095         ot->idname= "IMAGE_OT_record_composite";
2096
2097         /* api callbacks */
2098         ot->exec= record_composite_exec;
2099         ot->invoke= record_composite_invoke;
2100         ot->modal= record_composite_modal;
2101         ot->cancel= record_composite_cancel;
2102         ot->poll= space_image_buffer_exists_poll;
2103 }
2104
2105 /********************* cycle render slot operator *********************/
2106
2107 static int cycle_render_slot_poll(bContext *C)
2108 {
2109         Image *ima= CTX_data_edit_image(C);
2110
2111         return (ima && ima->type == IMA_TYPE_R_RESULT);
2112 }
2113
2114 static int cycle_render_slot_exec(bContext *C, wmOperator *op)
2115 {
2116         Image *ima= CTX_data_edit_image(C);
2117         int a, slot, cur= ima->render_slot;
2118         const short use_reverse= RNA_boolean_get(op->ptr, "reverse");
2119
2120         for(a=1; a<IMA_MAX_RENDER_SLOT; a++) {
2121                 slot= (cur + (use_reverse ? -a:a))%IMA_MAX_RENDER_SLOT;
2122                 if(slot<0) slot+=IMA_MAX_RENDER_SLOT;
2123
2124                 if(ima->renders[slot] || slot == ima->last_render_slot) {
2125                         ima->render_slot= slot;
2126                         break;
2127                 }
2128                 else if((slot - 1) == ima->last_render_slot && slot < IMA_MAX_RENDER_SLOT) {
2129                         ima->render_slot= slot;
2130                         break;
2131                 }
2132         }
2133
2134         if(a == IMA_MAX_RENDER_SLOT)
2135                 ima->render_slot= ((cur == 1)? 0: 1);
2136
2137         WM_event_add_notifier(C, NC_IMAGE|ND_DRAW, NULL);
2138
2139         /* no undo push for browsing existing */
2140         if(ima->renders[ima->render_slot] || ima->render_slot==ima->last_render_slot)
2141                 return OPERATOR_CANCELLED;
2142
2143         return OPERATOR_FINISHED;
2144 }
2145
2146 void IMAGE_OT_cycle_render_slot(wmOperatorType *ot)
2147 {
2148         /* identifiers */
2149         ot->name= "Cycle Render Slot";
2150         ot->idname= "IMAGE_OT_cycle_render_slot";
2151
2152         /* api callbacks */
2153         ot->exec= cycle_render_slot_exec;
2154         ot->poll= cycle_render_slot_poll;
2155
2156         /* flags */
2157         ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
2158
2159         RNA_def_boolean(ot->srna, "reverse", 0, "Cycle in Reverse", "");
2160 }
2161
2162 /******************** TODO ********************/
2163
2164 /* XXX notifier? */
2165
2166 /* goes over all ImageUsers, and sets frame numbers if auto-refresh is set */
2167
2168 void ED_image_update_frame(const Main *mainp, int cfra)
2169 {
2170         wmWindowManager *wm;
2171         wmWindow *win;
2172         Tex *tex;
2173
2174         /* texture users */
2175         for(tex= mainp->tex.first; tex; tex= tex->id.next) {
2176                 if(tex->type==TEX_IMAGE && tex->ima) {
2177                         if(ELEM(tex->ima->source, IMA_SRC_MOVIE, IMA_SRC_SEQUENCE)) {
2178                                 if(tex->iuser.flag & IMA_ANIM_ALWAYS)
2179                                         BKE_image_user_calc_frame(&tex->iuser, cfra, 0);
2180                         }
2181                 }
2182         }
2183
2184         /* image window, compo node users */
2185         for(wm=mainp->wm.first; wm; wm= wm->id.next) { /* only 1 wm */
2186                 for(win= wm->windows.first; win; win= win->next) {
2187                         ScrArea *sa;
2188                         for(sa= win->screen->areabase.first; sa; sa= sa->next) {
2189                                 if(sa->spacetype==SPACE_VIEW3D) {
2190                                         View3D *v3d= sa->spacedata.first;
2191                                         BGpic *bgpic;
2192                                         for(bgpic= v3d->bgpicbase.first; bgpic; bgpic= bgpic->next)
2193                                                 if(bgpic->iuser.flag & IMA_ANIM_ALWAYS)
2194                                                         BKE_image_user_calc_frame(&bgpic->iuser, cfra, 0);
2195                                 }
2196                                 else if(sa->spacetype==SPACE_IMAGE) {
2197                                         SpaceImage *sima= sa->spacedata.first;
2198                                         if(sima->iuser.flag & IMA_ANIM_ALWAYS)
2199                                                 BKE_image_user_calc_frame(&sima->iuser, cfra, 0);
2200                                 }
2201                                 else if(sa->spacetype==SPACE_NODE) {
2202                                         SpaceNode *snode= sa->spacedata.first;
2203                                         if((snode->treetype==NTREE_COMPOSIT) && (snode->nodetree)) {
2204                                                 bNode *node;
2205                                                 for(node= snode->nodetree->nodes.first; node; node= node->next) {
2206                                                         if(node->id && node->type==CMP_NODE_IMAGE) {
2207                                                                 Image *ima= (Image *)node->id;
2208                                                                 ImageUser *iuser= node->storage;
2209                                                                 if(ELEM(ima->source, IMA_SRC_MOVIE, IMA_SRC_SEQUENCE))
2210                                                                         if(iuser->flag & IMA_ANIM_ALWAYS)
2211                                                                                 BKE_image_user_calc_frame(iuser, cfra, 0);
2212                                                         }
2213                                                 }
2214                                         }
2215                                 }
2216                         }
2217                 }
2218         }
2219 }
2220