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 typedef struct {
 942         /* matching scene->r settings */
 943         short planes, imtype, subimtype, quality;
 944         char filepath[FILE_MAX]; /* keep absolute */
 945 } SaveImageOptions;
 946
 947 static void save_image_options_defaults(SaveImageOptions *simopts)
 948 {
 949         simopts->planes= R_PLANES24;
 950         simopts->imtype= R_PNG;
 951         simopts->subimtype= 0;
 952         simopts->quality= 90;
 953         simopts->filepath[0]= '\0';
 954 }
 955
 956 static int save_image_options_init(SaveImageOptions *simopts, SpaceImage *sima, Scene *scene, const short guess_path)
 957 {
 958         void *lock;
 959         ImBuf *ibuf= ED_space_image_acquire_buffer(sima, &lock);
 960
 961         if(ibuf) {
 962                 Image *ima= sima->image;
 963                 RenderResult *rr= BKE_image_acquire_renderresult(scene, ima);
 964
 965                 simopts->planes= ibuf->depth;
 966
 967                 /* cant save multilayer sequence, ima->rr isn't valid for a specific frame */
 968                 if(rr && !(ima->source==IMA_SRC_SEQUENCE && ima->type==IMA_TYPE_MULTILAYER))
 969                         simopts->imtype= R_MULTILAYER;
 970                 else if(ima->type==IMA_TYPE_R_RESULT)
 971                         simopts->imtype= scene->r.imtype;
 972                 else if (ima->source == IMA_SRC_GENERATED)
 973                         simopts->imtype= R_PNG;
 974                 else
 975                         simopts->imtype= BKE_ftype_to_imtype(ibuf->ftype);
 976
 977                 simopts->subimtype= scene->r.subimtype; /* XXX - this is lame, we need to make these available too! */
 978                 simopts->quality= ibuf->ftype & 0xff;
 979
 980                 BLI_strncpy(simopts->filepath, ibuf->name, sizeof(simopts->filepath));
 981
 982                 /* sanitize all settings */
 983
 984                 /* unlikely but just incase */
 985                 if (ELEM3(simopts->planes, R_PLANESBW, R_PLANES24, R_PLANES32) == 0) {
 986                         simopts->planes= R_PLANES32;
 987                 }
 988
 989                 /* some formats dont use quality so fallback to scenes quality */
 990                 if (simopts->quality == 0) {
 991                         simopts->quality= scene->r.quality;
 992                 }
 993
 994                 /* check for empty path */
 995                 if(guess_path && simopts->filepath[0]==0) {
 996                         if ( (G.ima[0] == '/') && (G.ima[1] == '/') && (G.ima[2] == '\0') ) {
 997                                 BLI_strncpy(simopts->filepath, "//untitled", FILE_MAX);
 998                         } else {
 999                                 BLI_strncpy(simopts->filepath, G.ima, FILE_MAX);
1000                         }
1001                         BLI_path_abs(simopts->filepath, G.main->name);
1002                 }
1003                 /* cleanup */
1004                 BKE_image_release_renderresult(scene, ima);
1005         }
1006
1007         ED_space_image_release_buffer(sima, lock);
1008
1009         return (ibuf != NULL);
1010 }
1011
1012 static void save_image_options_from_op(SaveImageOptions *simopts, wmOperator *op)
1013 {
1014         if (RNA_property_is_set(op->ptr, "color_mode")) simopts->planes= RNA_enum_get(op->ptr, "color_mode");
1015         if (RNA_property_is_set(op->ptr, "file_format")) simopts->imtype= RNA_enum_get(op->ptr, "file_format");
1016         // if (RNA_property_is_set(op->ptr, "subimtype")) simopts->subimtype= RNA_enum_get(op->ptr, "subimtype"); // XXX
1017         if (RNA_property_is_set(op->ptr, "file_quality")) simopts->quality= RNA_int_get(op->ptr, "file_quality");
1018
1019         if (RNA_property_is_set(op->ptr, "filepath")) RNA_string_get(op->ptr, "filepath", simopts->filepath);
1020 }
1021
1022 static void save_image_options_to_op(SaveImageOptions *simopts, wmOperator *op)
1023 {
1024         RNA_enum_set(op->ptr, "color_mode", simopts->planes);
1025         RNA_enum_set(op->ptr, "file_format", simopts->imtype);
1026         // RNA_enum_set(op->ptr, "subimtype", simopts->subimtype);
1027         RNA_int_set(op->ptr, "file_quality", simopts->quality);
1028
1029         RNA_string_set(op->ptr, "filepath", simopts->filepath);
1030 }
1031
1032 /* assumes name is FILE_MAX */
1033 /* ima->name and ibuf->name should end up the same */
1034 static void save_image_doit(bContext *C, SpaceImage *sima, wmOperator *op, SaveImageOptions *simopts, int do_newpath)
1035 {
1036         Image *ima= ED_space_image(sima);
1037         void *lock;
1038         ImBuf *ibuf= ED_space_image_acquire_buffer(sima, &lock);
1039
1040         if (ibuf) {
1041                 Main *bmain= CTX_data_main(C);
1042                 const short relative= (RNA_struct_find_property(op->ptr, "relative_path") && RNA_boolean_get(op->ptr, "relative_path"));
1043                 const short save_copy= (RNA_struct_find_property(op->ptr, "copy") && RNA_boolean_get(op->ptr, "copy"));
1044                 short ok= FALSE;
1045
1046                 /* old global to ensure a 2nd save goes to same dir */
1047                 BLI_strncpy(G.ima, simopts->filepath, sizeof(G.ima));
1048
1049                 WM_cursor_wait(1);
1050
1051                 if(ima->type == IMA_TYPE_R_RESULT) {
1052                         /* enforce user setting for RGB or RGBA, but skip BW */
1053                         if(simopts->planes==R_PLANES32) {
1054                                 ibuf->depth= 32;
1055                         }
1056                         else if(simopts->planes==R_PLANES24) {
1057                                 ibuf->depth= 24;
1058                         }
1059                 }
1060                 else {
1061                         /* TODO, better solution, if a 24bit image is painted onto it may contain alpha */
1062                         if(ibuf->userflags & IB_BITMAPDIRTY) { /* it has been painted onto */
1063                                 /* checks each pixel, not ideal */
1064                                 ibuf->depth= BKE_alphatest_ibuf(ibuf) ? 32 : 24;
1065                         }
1066                 }
1067
1068                 if(simopts->imtype==R_MULTILAYER) {
1069                         Scene *scene= CTX_data_scene(C);
1070                         RenderResult *rr= BKE_image_acquire_renderresult(scene, ima);
1071                         if(rr) {
1072                                 RE_WriteRenderResult(op->reports, rr, simopts->filepath, simopts->quality);
1073                                 ok= TRUE;
1074                         }
1075                         else {
1076                                 BKE_report(op->reports, RPT_ERROR, "Did not write, no Multilayer Image");
1077                         }
1078                         BKE_image_release_renderresult(scene, ima);
1079                 }
1080                 else if (BKE_write_ibuf(ibuf, simopts->filepath, simopts->imtype, simopts->subimtype, simopts->quality)) {
1081                         ok= TRUE;
1082                 }
1083
1084                 if(ok)  {
1085                         if(relative)
1086                                 BLI_path_rel(simopts->filepath, bmain->name); /* only after saving */
1087
1088                         if(ibuf->name[0]==0) {
1089                                 BLI_strncpy(ibuf->name, simopts->filepath, sizeof(ibuf->name));
1090                                 BLI_strncpy(ima->name, simopts->filepath, sizeof(ima->name));
1091                         }
1092
1093                         if(!save_copy) {
1094                                 if(do_newpath) {
1095                                         BLI_strncpy(ima->name, simopts->filepath, sizeof(ima->name));
1096                                         BLI_strncpy(ibuf->name, simopts->filepath, sizeof(ibuf->name));
1097                                 }
1098
1099                                 ibuf->userflags &= ~IB_BITMAPDIRTY;
1100
1101                                 /* change type? */
1102                                 if(ima->type==IMA_TYPE_R_RESULT) {
1103                                         ima->type= IMA_TYPE_IMAGE;
1104
1105                                         /* workaround to ensure the render result buffer is no longer used
1106                                          * by this image, otherwise can crash when a new render result is
1107                                          * created. */
1108                                         if(ibuf->rect && !(ibuf->mall & IB_rect))
1109                                                 imb_freerectImBuf(ibuf);
1110                                         if(ibuf->rect_float && !(ibuf->mall & IB_rectfloat))
1111                                                 imb_freerectfloatImBuf(ibuf);
1112                                         if(ibuf->zbuf && !(ibuf->mall & IB_zbuf))
1113                                                 IMB_freezbufImBuf(ibuf);
1114                                         if(ibuf->zbuf_float && !(ibuf->mall & IB_zbuffloat))
1115                                                 IMB_freezbuffloatImBuf(ibuf);
1116                                 }
1117                                 if( ELEM(ima->source, IMA_SRC_GENERATED, IMA_SRC_VIEWER)) {
1118                                         ima->source= IMA_SRC_FILE;
1119                                         ima->type= IMA_TYPE_IMAGE;
1120                                 }
1121                         }
1122                 }
1123                 else {
1124                         BKE_reportf(op->reports, RPT_ERROR, "Couldn't write image: %s", simopts->filepath);
1125                 }
1126
1127
1128                 WM_event_add_notifier(C, NC_IMAGE|NA_EDITED, sima->image);
1129
1130                 WM_cursor_wait(0);
1131         }
1132
1133         ED_space_image_release_buffer(sima, lock);
1134 }
1135
1136 static int save_as_exec(bContext *C, wmOperator *op)
1137 {
1138         SpaceImage *sima= CTX_wm_space_image(C);
1139         SaveImageOptions simopts;
1140
1141         /* just incase to initialize values,
1142          * these should be set on invoke or by the caller. */
1143         save_image_options_defaults(&simopts);
1144         save_image_options_from_op(&simopts, op);
1145
1146         save_image_doit(C, sima, op, &simopts, TRUE);
1147
1148         return OPERATOR_FINISHED;
1149 }
1150
1151
1152 static int save_as_check(bContext *UNUSED(C), wmOperator *op)
1153 {
1154         char filepath[FILE_MAX];
1155         RNA_string_get(op->ptr, "filepath", filepath);
1156         if(BKE_add_image_extension(filepath, RNA_enum_get(op->ptr, "file_format"))) {
1157                 RNA_string_set(op->ptr, "filepath", filepath);
1158                 return TRUE;
1159         }
1160         return FALSE;
1161 }
1162
1163 static int save_as_invoke(bContext *C, wmOperator *op, wmEvent *UNUSED(event))
1164 {
1165         SpaceImage *sima= CTX_wm_space_image(C);
1166         Image *ima = ED_space_image(sima);
1167         Scene *scene= CTX_data_scene(C);
1168         SaveImageOptions simopts;
1169
1170         if(!RNA_property_is_set(op->ptr, "relative_path"))
1171                 RNA_boolean_set(op->ptr, "relative_path", U.flag & USER_RELPATHS);
1172
1173         if(RNA_property_is_set(op->ptr, "filepath"))
1174                 return save_as_exec(C, op);
1175
1176         if (save_image_options_init(&simopts, sima, scene, TRUE) == 0)
1177                 return OPERATOR_CANCELLED;
1178         save_image_options_to_op(&simopts, op);
1179
1180         /* enable save_copy by default for render results */
1181         if(ELEM(ima->type, IMA_TYPE_R_RESULT, IMA_TYPE_COMPOSITE) && !RNA_property_is_set(op->ptr, "copy")) {
1182                 RNA_boolean_set(op->ptr, "copy", TRUE);
1183         }
1184
1185         // XXX note: we can give default menu enums to operator for this
1186         image_filesel(C, op, simopts.filepath);
1187
1188         return OPERATOR_RUNNING_MODAL;
1189 }
1190
1191 void IMAGE_OT_save_as(wmOperatorType *ot)
1192 {
1193         PropertyRNA *prop;
1194
1195         /* identifiers */
1196         ot->name= "Save As Image";
1197         ot->idname= "IMAGE_OT_save_as";
1198
1199         /* api callbacks */
1200         ot->exec= save_as_exec;
1201         ot->check= save_as_check;
1202         ot->invoke= save_as_invoke;
1203         ot->poll= space_image_buffer_exists_poll;
1204
1205         /* flags */
1206         ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
1207
1208         /* properties */
1209
1210         /* format options */
1211         RNA_def_enum(ot->srna, "file_format", image_file_type_items, R_PNG, "File Type", "File type to save image as.");
1212         RNA_def_enum(ot->srna, "color_mode", image_color_mode_items, R_PLANES24, "Channels", "Image channels to save");
1213         prop= RNA_def_int(ot->srna, "file_quality", 90, 0, 100, "Quality", "", 0, 100);
1214         RNA_def_property_subtype(prop, PROP_PERCENTAGE);
1215
1216         WM_operator_properties_filesel(ot, FOLDERFILE|IMAGEFILE|MOVIEFILE, FILE_SPECIAL, FILE_SAVE, WM_FILESEL_FILEPATH|WM_FILESEL_RELPATH);
1217
1218         RNA_def_boolean(ot->srna, "copy", 0, "Copy", "Create a new image file without modifying the current image in blender");
1219 }
1220
1221 /******************** save image operator ********************/
1222
1223 static int save_exec(bContext *C, wmOperator *op)
1224 {
1225         SpaceImage *sima= CTX_wm_space_image(C);
1226         Scene *scene= CTX_data_scene(C);
1227         SaveImageOptions simopts;
1228
1229         if (save_image_options_init(&simopts, sima, scene, FALSE) == 0)
1230                 return OPERATOR_CANCELLED;
1231         save_image_options_from_op(&simopts, op);
1232
1233         if (BLI_exists(simopts.filepath) && BLI_is_writable(simopts.filepath)) {
1234                 save_image_doit(C, sima, op, &simopts, FALSE);
1235         }
1236         else {
1237                 BKE_reportf(op->reports, RPT_ERROR, "Can not save image, path '%s' is not writable.", simopts.filepath);
1238                 return OPERATOR_CANCELLED;
1239         }
1240
1241         return OPERATOR_FINISHED;
1242 }
1243
1244 void IMAGE_OT_save(wmOperatorType *ot)
1245 {
1246         /* identifiers */
1247         ot->name= "Save Image";
1248         ot->idname= "IMAGE_OT_save";
1249
1250         /* api callbacks */
1251         ot->exec= save_exec;
1252         ot->poll= space_image_file_exists_poll;
1253
1254         /* flags */
1255         ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
1256 }
1257
1258 /******************* save sequence operator ********************/
1259
1260 static int save_sequence_exec(bContext *C, wmOperator *op)
1261 {
1262         Main *bmain= CTX_data_main(C);
1263         SpaceImage *sima= CTX_wm_space_image(C);
1264         ImBuf *ibuf;
1265         int tot= 0;
1266         char di[FILE_MAX], fi[FILE_MAX];
1267
1268         if(sima->image==NULL)
1269                 return OPERATOR_CANCELLED;
1270
1271         if(sima->image->source!=IMA_SRC_SEQUENCE) {
1272                 BKE_report(op->reports, RPT_ERROR, "Can only save sequence on image sequences.");
1273                 return OPERATOR_CANCELLED;
1274         }
1275
1276         if(sima->image->type==IMA_TYPE_MULTILAYER) {
1277                 BKE_report(op->reports, RPT_ERROR, "Can't save multilayer sequences.");
1278                 return OPERATOR_CANCELLED;
1279         }
1280
1281         /* get total */
1282         for(ibuf= sima->image->ibufs.first; ibuf; ibuf= ibuf->next)
1283                 if(ibuf->userflags & IB_BITMAPDIRTY)
1284                         tot++;
1285
1286         if(tot==0) {
1287                 BKE_report(op->reports, RPT_WARNING, "No images have been changed.");
1288                 return OPERATOR_CANCELLED;
1289         }
1290
1291         /* get a filename for menu */
1292         for(ibuf= sima->image->ibufs.first; ibuf; ibuf= ibuf->next)
1293                 if(ibuf->userflags & IB_BITMAPDIRTY)
1294                         break;
1295
1296         BLI_strncpy(di, ibuf->name, FILE_MAX);
1297         BLI_splitdirstring(di, fi);
1298
1299         BKE_reportf(op->reports, RPT_INFO, "%d Image(s) will be saved in %s", tot, di);
1300
1301         for(ibuf= sima->image->ibufs.first; ibuf; ibuf= ibuf->next) {
1302                 if(ibuf->userflags & IB_BITMAPDIRTY) {
1303                         char name[FILE_MAX];
1304                         BLI_strncpy(name, ibuf->name, sizeof(name));
1305
1306                         BLI_path_abs(name, bmain->name);
1307
1308                         if(0 == IMB_saveiff(ibuf, name, IB_rect | IB_zbuf | IB_zbuffloat)) {
1309                                 BKE_reportf(op->reports, RPT_ERROR, "Could not write image %s.", name);
1310                                 break;
1311                         }
1312
1313                         BKE_reportf(op->reports, RPT_INFO, "Saved: %s\n", ibuf->name);
1314                         ibuf->userflags &= ~IB_BITMAPDIRTY;
1315                 }
1316         }
1317
1318         return OPERATOR_FINISHED;
1319 }
1320
1321 void IMAGE_OT_save_sequence(wmOperatorType *ot)
1322 {
1323         /* identifiers */
1324         ot->name= "Save Sequence";
1325         ot->idname= "IMAGE_OT_save_sequence";
1326
1327         /* api callbacks */
1328         ot->exec= save_sequence_exec;
1329         ot->poll= space_image_buffer_exists_poll;
1330
1331         /* flags */
1332         ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
1333 }
1334
1335 /******************** reload image operator ********************/
1336
1337 static int reload_exec(bContext *C, wmOperator *UNUSED(op))
1338 {
1339         Image *ima= CTX_data_edit_image(C);
1340         SpaceImage *sima= CTX_wm_space_image(C);
1341
1342         if(!ima)
1343                 return OPERATOR_CANCELLED;
1344
1345         /* XXX unpackImage frees image buffers */
1346         ED_preview_kill_jobs(C);
1347
1348         // XXX other users?
1349         BKE_image_signal(ima, (sima)? &sima->iuser: NULL, IMA_SIGNAL_RELOAD);
1350
1351         WM_event_add_notifier(C, NC_IMAGE|NA_EDITED, ima);
1352
1353         return OPERATOR_FINISHED;
1354 }
1355
1356 void IMAGE_OT_reload(wmOperatorType *ot)
1357 {
1358         /* identifiers */
1359         ot->name= "Reload Image";
1360         ot->idname= "IMAGE_OT_reload";
1361
1362         /* api callbacks */
1363         ot->exec= reload_exec;
1364
1365         /* flags */
1366         ot->flag= OPTYPE_REGISTER; /* no undo, image buffer is not handled by undo */
1367 }
1368
1369 /********************** new image operator *********************/
1370
1371 static int image_new_exec(bContext *C, wmOperator *op)
1372 {
1373         SpaceImage *sima;
1374         Scene *scene;
1375         Object *obedit;
1376         Image *ima;
1377         PointerRNA ptr, idptr;
1378         PropertyRNA *prop;
1379         char name[MAX_ID_NAME-2];
1380         float color[4];
1381         int width, height, floatbuf, uvtestgrid, alpha;
1382
1383         /* retrieve state */
1384         sima= CTX_wm_space_image(C);
1385         scene= (Scene*)CTX_data_scene(C);
1386         obedit= CTX_data_edit_object(C);
1387
1388         RNA_string_get(op->ptr, "name", name);
1389         width= RNA_int_get(op->ptr, "width");
1390         height= RNA_int_get(op->ptr, "height");
1391         floatbuf= RNA_boolean_get(op->ptr, "float");
1392         uvtestgrid= RNA_boolean_get(op->ptr, "uv_test_grid");
1393         RNA_float_get_array(op->ptr, "color", color);
1394         alpha= RNA_boolean_get(op->ptr, "alpha");
1395
1396         if (!floatbuf && scene->r.color_mgt_flag & R_COLOR_MANAGEMENT)
1397                 linearrgb_to_srgb_v3_v3(color, color);
1398
1399         if(!alpha)
1400                 color[3]= 1.0f;
1401
1402         ima = BKE_add_image_size(width, height, name, alpha ? 32 : 24, floatbuf, uvtestgrid, color);
1403
1404         if(!ima)
1405                 return OPERATOR_CANCELLED;
1406
1407         /* hook into UI */
1408         uiIDContextProperty(C, &ptr, &prop);
1409
1410         if(prop) {
1411                 /* when creating new ID blocks, use is already 1, but RNA
1412                  * pointer se also increases user, so this compensates it */
1413                 ima->id.us--;
1414
1415                 RNA_id_pointer_create(&ima->id, &idptr);
1416                 RNA_property_pointer_set(&ptr, prop, idptr);
1417                 RNA_property_update(C, &ptr, prop);
1418         }
1419         else if(sima)
1420                 ED_space_image_set(C, sima, scene, obedit, ima);
1421
1422         // XXX other users?
1423         BKE_image_signal(ima, (sima)? &sima->iuser: NULL, IMA_SIGNAL_USER_NEW_IMAGE);
1424
1425         return OPERATOR_FINISHED;
1426 }
1427
1428 /* XXX, Ton is not a fan of OK buttons but using this function to avoid undo/redo bug while in mesh-editmode, - campbell */
1429 static int image_new_invoke(bContext *C, wmOperator *op, wmEvent *UNUSED(event))
1430 {
1431         return WM_operator_props_dialog_popup(C, op, 300, 100);
1432
1433 }
1434
1435 void IMAGE_OT_new(wmOperatorType *ot)
1436 {
1437         PropertyRNA *prop;
1438         static float default_color[4]= {0.0f, 0.0f, 0.0f, 1.0f};
1439
1440         /* identifiers */
1441         ot->name= "New Image";
1442         ot->description= "Create a new image";
1443         ot->idname= "IMAGE_OT_new";
1444
1445         /* api callbacks */
1446         ot->exec= image_new_exec;
1447         ot->invoke= image_new_invoke;
1448
1449         /* flags */
1450         ot->flag= OPTYPE_UNDO;
1451
1452         /* properties */
1453         RNA_def_string(ot->srna, "name", "untitled", MAX_ID_NAME-2, "Name", "Image datablock name.");
1454         RNA_def_int(ot->srna, "width", 1024, 1, INT_MAX, "Width", "Image width.", 1, 16384);
1455         RNA_def_int(ot->srna, "height", 1024, 1, INT_MAX, "Height", "Image height.", 1, 16384);
1456         prop= RNA_def_float_color(ot->srna, "color", 4, NULL, 0.0f, FLT_MAX, "Color", "Default fill color.", 0.0f, 1.0f);
1457         RNA_def_property_float_array_default(prop, default_color);
1458         RNA_def_boolean(ot->srna, "alpha", 1, "Alpha", "Create an image with an alpha channel.");
1459         RNA_def_boolean(ot->srna, "uv_test_grid", 0, "UV Test Grid", "Fill the image with a grid for UV map testing.");
1460         RNA_def_boolean(ot->srna, "float", 0, "32 bit Float", "Create image with 32 bit floating point bit depth.");
1461 }
1462
1463 /********************* invert operators *********************/
1464
1465 static int image_invert_poll(bContext *C)
1466 {
1467         Image *ima= CTX_data_edit_image(C);
1468         ImBuf *ibuf= BKE_image_get_ibuf(ima, NULL);
1469
1470         if( ibuf != NULL )
1471                 return 1;
1472         return 0;
1473 }
1474
1475 static int image_invert_exec(bContext *C, wmOperator *op)
1476 {
1477         Image *ima= CTX_data_edit_image(C);
1478         ImBuf *ibuf= BKE_image_get_ibuf(ima, NULL);
1479
1480         // flags indicate if this channel should be inverted
1481         const short r= RNA_boolean_get(op->ptr, "invert_r");
1482         const short g= RNA_boolean_get(op->ptr, "invert_g");
1483         const short b= RNA_boolean_get(op->ptr, "invert_b");
1484         const short a= RNA_boolean_get(op->ptr, "invert_a");
1485
1486         int i;
1487
1488         if( ibuf == NULL) // TODO: this should actually never happen, but does for render-results -> cleanup
1489                 return OPERATOR_CANCELLED;
1490
1491         /* TODO: make this into an IMB_invert_channels(ibuf,r,g,b,a) method!? */
1492         if (ibuf->rect_float) {
1493
1494                 float *fp = (float *) ibuf->rect_float;
1495                 for( i = ibuf->x * ibuf->y; i > 0; i--, fp+=4 ) {
1496                         if( r ) fp[0] = 1.0f - fp[0];
1497                         if( g ) fp[1] = 1.0f - fp[1];
1498                         if( b ) fp[2] = 1.0f - fp[2];
1499                         if( a ) fp[3] = 1.0f - fp[3];
1500                 }
1501
1502                 if(ibuf->rect) {
1503                         IMB_rect_from_float(ibuf);
1504                 }
1505         }
1506         else if(ibuf->rect) {
1507
1508                 char *cp = (char *) ibuf->rect;
1509                 for( i = ibuf->x * ibuf->y; i > 0; i--, cp+=4 ) {
1510                         if( r ) cp[0] = 255 - cp[0];
1511                         if( g ) cp[1] = 255 - cp[1];
1512                         if( b ) cp[2] = 255 - cp[2];
1513                         if( a ) cp[3] = 255 - cp[3];
1514                 }
1515         }
1516         else {
1517                 return OPERATOR_CANCELLED;
1518         }
1519
1520         ibuf->userflags |= IB_BITMAPDIRTY;
1521         if(ibuf->mipmap[0])
1522                 ibuf->userflags |= IB_MIPMAP_INVALID;
1523
1524         WM_event_add_notifier(C, NC_IMAGE|NA_EDITED, ima);
1525         return OPERATOR_FINISHED;
1526 }
1527
1528 void IMAGE_OT_invert(wmOperatorType *ot)
1529 {
1530         /* identifiers */
1531         ot->name= "Invert Channels";
1532         ot->idname= "IMAGE_OT_invert";
1533
1534         /* api callbacks */
1535         ot->exec= image_invert_exec;
1536         ot->poll= image_invert_poll;
1537
1538         /* properties */
1539         RNA_def_boolean(ot->srna, "invert_r", 0, "Red", "Invert Red Channel");
1540         RNA_def_boolean(ot->srna, "invert_g", 0, "Green", "Invert Green Channel");
1541         RNA_def_boolean(ot->srna, "invert_b", 0, "Blue", "Invert Blue Channel");
1542         RNA_def_boolean(ot->srna, "invert_a", 0, "Alpha", "Invert Alpha Channel");
1543
1544         /* flags */
1545         ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
1546 }
1547
1548 /********************* pack operator *********************/
1549
1550 static int pack_test(bContext *C, wmOperator *op)
1551 {
1552         Image *ima= CTX_data_edit_image(C);
1553         int as_png= RNA_boolean_get(op->ptr, "as_png");
1554
1555         if(!ima)
1556                 return 0;
1557         if(!as_png && ima->packedfile)
1558                 return 0;
1559
1560         if(ima->source==IMA_SRC_SEQUENCE || ima->source==IMA_SRC_MOVIE) {
1561                 BKE_report(op->reports, RPT_ERROR, "Packing movies or image sequences not supported.");
1562                 return 0;
1563         }
1564
1565         return 1;
1566 }
1567
1568 static int pack_exec(bContext *C, wmOperator *op)
1569 {
1570         Image *ima= CTX_data_edit_image(C);
1571         ImBuf *ibuf= BKE_image_get_ibuf(ima, NULL);
1572         int as_png= RNA_boolean_get(op->ptr, "as_png");
1573
1574         if(!pack_test(C, op))
1575                 return OPERATOR_CANCELLED;
1576
1577         if(!as_png && (ibuf && (ibuf->userflags & IB_BITMAPDIRTY))) {
1578                 BKE_report(op->reports, RPT_ERROR, "Can't pack edited image from disk, only as internal PNG.");
1579                 return OPERATOR_CANCELLED;
1580         }
1581
1582         if(as_png)
1583                 BKE_image_memorypack(ima);
1584         else
1585                 ima->packedfile= newPackedFile(op->reports, ima->name);
1586
1587         WM_event_add_notifier(C, NC_IMAGE|NA_EDITED, ima);
1588
1589         return OPERATOR_FINISHED;
1590 }
1591
1592 static int pack_invoke(bContext *C, wmOperator *op, wmEvent *UNUSED(event))
1593 {
1594         Image *ima= CTX_data_edit_image(C);
1595         ImBuf *ibuf= BKE_image_get_ibuf(ima, NULL);
1596         uiPopupMenu *pup;
1597         uiLayout *layout;
1598         int as_png= RNA_boolean_get(op->ptr, "as_png");
1599
1600         if(!pack_test(C, op))
1601                 return OPERATOR_CANCELLED;
1602
1603         if(!as_png && (ibuf && (ibuf->userflags & IB_BITMAPDIRTY))) {
1604                 pup= uiPupMenuBegin(C, "OK", ICON_QUESTION);
1605                 layout= uiPupMenuLayout(pup);
1606                 uiItemBooleanO(layout, "Can't pack edited image from disk. Pack as internal PNG?", ICON_NONE, op->idname, "as_png", 1);
1607                 uiPupMenuEnd(C, pup);
1608
1609                 return OPERATOR_CANCELLED;
1610         }
1611
1612         return pack_exec(C, op);
1613 }
1614
1615 void IMAGE_OT_pack(wmOperatorType *ot)
1616 {
1617         /* identifiers */
1618         ot->name= "Pack Image";
1619         ot->description= "Pack an image as embedded data into the .blend file";
1620         ot->idname= "IMAGE_OT_pack";
1621
1622         /* api callbacks */
1623         ot->exec= pack_exec;
1624         ot->invoke= pack_invoke;
1625
1626         /* flags */
1627         ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
1628
1629         /* properties */
1630         RNA_def_boolean(ot->srna, "as_png", 0, "Pack As PNG", "Pack image as lossless PNG.");
1631 }
1632
1633 /********************* unpack operator *********************/
1634
1635 static int image_unpack_exec(bContext *C, wmOperator *op)
1636 {
1637         Image *ima= CTX_data_edit_image(C);
1638         int method= RNA_enum_get(op->ptr, "method");
1639
1640         /* find the suppplied image by name */
1641         if (RNA_property_is_set(op->ptr, "id")) {
1642                 char imaname[MAX_ID_NAME-2];
1643                 RNA_string_get(op->ptr, "id", imaname);
1644                 ima = BLI_findstring(&CTX_data_main(C)->image, imaname, offsetof(ID, name) + 2);
1645                 if (!ima) ima = CTX_data_edit_image(C);
1646         }
1647
1648         if(!ima || !ima->packedfile)
1649                 return OPERATOR_CANCELLED;
1650
1651         if(ima->source==IMA_SRC_SEQUENCE || ima->source==IMA_SRC_MOVIE) {
1652                 BKE_report(op->reports, RPT_ERROR, "Unpacking movies or image sequences not supported.");
1653                 return OPERATOR_CANCELLED;
1654         }
1655
1656         if(G.fileflags & G_AUTOPACK)
1657                 BKE_report(op->reports, RPT_WARNING, "AutoPack is enabled, so image will be packed again on file save.");
1658
1659         /* XXX unpackImage frees image buffers */
1660         ED_preview_kill_jobs(C);
1661
1662         unpackImage(op->reports, ima, method);
1663
1664         WM_event_add_notifier(C, NC_IMAGE|NA_EDITED, ima);
1665
1666         return OPERATOR_FINISHED;
1667 }
1668
1669 static int image_unpack_invoke(bContext *C, wmOperator *op, wmEvent *UNUSED(event))
1670 {
1671         Image *ima= CTX_data_edit_image(C);
1672
1673         if(RNA_property_is_set(op->ptr, "id"))
1674                 return image_unpack_exec(C, op);
1675
1676         if(!ima || !ima->packedfile)
1677                 return OPERATOR_CANCELLED;
1678
1679         if(ima->source==IMA_SRC_SEQUENCE || ima->source==IMA_SRC_MOVIE) {
1680                 BKE_report(op->reports, RPT_ERROR, "Unpacking movies or image sequences not supported.");
1681                 return OPERATOR_CANCELLED;
1682         }
1683
1684         if(G.fileflags & G_AUTOPACK)
1685                 BKE_report(op->reports, RPT_WARNING, "AutoPack is enabled, so image will be packed again on file save.");
1686
1687         unpack_menu(C, "IMAGE_OT_unpack", ima->id.name+2, ima->name, "textures", ima->packedfile);
1688
1689         return OPERATOR_FINISHED;
1690 }
1691
1692 void IMAGE_OT_unpack(wmOperatorType *ot)
1693 {
1694         /* identifiers */
1695         ot->name= "Unpack Image";
1696         ot->description= "Save an image packed in the .blend file to disk";
1697         ot->idname= "IMAGE_OT_unpack";
1698
1699         /* api callbacks */
1700         ot->exec= image_unpack_exec;
1701         ot->invoke= image_unpack_invoke;
1702
1703         /* flags */
1704         ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
1705
1706         /* properties */
1707         RNA_def_enum(ot->srna, "method", unpack_method_items, PF_USE_LOCAL, "Method", "How to unpack.");
1708         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 */
1709 }
1710
1711 /******************** sample image operator ********************/
1712
1713 typedef struct ImageSampleInfo {
1714         ARegionType *art;
1715         void *draw_handle;
1716         int x, y;
1717         int channels;
1718
1719         char col[4];
1720         float colf[4];
1721         int z;
1722         float zf;
1723
1724         char *colp;
1725         float *colfp;
1726         int *zp;
1727         float *zfp;
1728
1729         int draw;
1730 } ImageSampleInfo;
1731
1732 static void sample_draw(const bContext *UNUSED(C), ARegion *ar, void *arg_info)
1733 {
1734         ImageSampleInfo *info= arg_info;
1735         if(info->draw) {
1736                 /* no color management needed for images (color_manage=0) */
1737                 draw_image_info(ar, 0, info->channels, info->x, info->y, info->colp, info->colfp, info->zp, info->zfp);
1738         }
1739 }
1740
1741 static void sample_apply(bContext *C, wmOperator *op, wmEvent *event)
1742 {
1743         SpaceImage *sima= CTX_wm_space_image(C);
1744         ARegion *ar= CTX_wm_region(C);
1745         void *lock;
1746         ImBuf *ibuf= ED_space_image_acquire_buffer(sima, &lock);
1747         ImageSampleInfo *info= op->customdata;
1748         float fx, fy;
1749
1750         if(ibuf == NULL) {
1751                 ED_space_image_release_buffer(sima, lock);
1752                 return;
1753         }
1754
1755         UI_view2d_region_to_view(&ar->v2d, event->mval[0], event->mval[1], &fx, &fy);
1756
1757         if(fx>=0.0f && fy>=0.0f && fx<1.0f && fy<1.0f) {
1758                 float *fp;
1759                 char *cp;
1760                 int x= (int)(fx*ibuf->x), y= (int)(fy*ibuf->y);
1761
1762                 CLAMP(x, 0, ibuf->x-1);
1763                 CLAMP(y, 0, ibuf->y-1);
1764
1765                 info->x= x;
1766                 info->y= y;
1767                 info->draw= 1;
1768                 info->channels= ibuf->channels;
1769
1770                 info->colp= NULL;
1771                 info->colfp= NULL;
1772                 info->zp= NULL;
1773                 info->zfp= NULL;
1774
1775                 if(ibuf->rect) {
1776                         cp= (char *)(ibuf->rect + y*ibuf->x + x);
1777
1778                         info->col[0]= cp[0];
1779                         info->col[1]= cp[1];
1780                         info->col[2]= cp[2];
1781                         info->col[3]= cp[3];
1782                         info->colp= info->col;
1783
1784                         info->colf[0]= (float)cp[0]/255.0f;
1785                         info->colf[1]= (float)cp[1]/255.0f;
1786                         info->colf[2]= (float)cp[2]/255.0f;
1787                         info->colf[3]= (float)cp[3]/255.0f;
1788                         info->colfp= info->colf;
1789                 }
1790                 if(ibuf->rect_float) {
1791                         fp= (ibuf->rect_float + (ibuf->channels)*(y*ibuf->x + x));
1792
1793                         info->colf[0]= fp[0];
1794                         info->colf[1]= fp[1];
1795                         info->colf[2]= fp[2];
1796                         info->colf[3]= fp[3];
1797                         info->colfp= info->colf;
1798                 }
1799
1800                 if(ibuf->zbuf) {
1801                         info->z= ibuf->zbuf[y*ibuf->x + x];
1802                         info->zp= &info->z;
1803                 }
1804                 if(ibuf->zbuf_float) {
1805                         info->zf= ibuf->zbuf_float[y*ibuf->x + x];
1806                         info->zfp= &info->zf;
1807                 }
1808
1809                 if(sima->cumap && ibuf->channels==4) {
1810                         /* we reuse this callback for set curves point operators */
1811                         if(RNA_struct_find_property(op->ptr, "point")) {
1812                                 int point= RNA_enum_get(op->ptr, "point");
1813
1814                                 if(point == 1) {
1815                                         curvemapping_set_black_white(sima->cumap, NULL, info->colfp);
1816                                         if(ibuf->rect_float)
1817                                                 curvemapping_do_ibuf(sima->cumap, ibuf);
1818                                 }
1819                                 else if(point == 0) {
1820                                         curvemapping_set_black_white(sima->cumap, info->colfp, NULL);
1821                                         if(ibuf->rect_float)
1822                                                 curvemapping_do_ibuf(sima->cumap, ibuf);
1823                                 }
1824                         }
1825                 }
1826
1827                 // XXX node curve integration ..
1828 #if 0
1829                 {
1830                         ScrArea *sa, *cur= curarea;
1831
1832                         node_curvemap_sample(fp);       /* sends global to node editor */
1833                         for(sa= G.curscreen->areabase.first; sa; sa= sa->next) {
1834                                 if(sa->spacetype==SPACE_NODE) {
1835                                         areawinset(sa->win);
1836                                         scrarea_do_windraw(sa);
1837                                 }
1838                         }
1839                         node_curvemap_sample(NULL);             /* clears global in node editor */
1840                         curarea= cur;
1841                 }
1842 #endif
1843         }
1844         else
1845                 info->draw= 0;
1846
1847         ED_space_image_release_buffer(sima, lock);
1848         ED_area_tag_redraw(CTX_wm_area(C));
1849 }
1850
1851 static void sample_exit(bContext *C, wmOperator *op)
1852 {
1853         ImageSampleInfo *info= op->customdata;
1854
1855         ED_region_draw_cb_exit(info->art, info->draw_handle);
1856         ED_area_tag_redraw(CTX_wm_area(C));
1857         MEM_freeN(info);
1858 }
1859
1860 static int sample_invoke(bContext *C, wmOperator *op, wmEvent *event)
1861 {
1862         SpaceImage *sima= CTX_wm_space_image(C);
1863         ARegion *ar= CTX_wm_region(C);
1864         ImageSampleInfo *info;
1865
1866         if(!ED_space_image_has_buffer(sima))
1867                 return OPERATOR_CANCELLED;
1868
1869         info= MEM_callocN(sizeof(ImageSampleInfo), "ImageSampleInfo");
1870         info->art= ar->type;
1871         info->draw_handle = ED_region_draw_cb_activate(ar->type, sample_draw, info, REGION_DRAW_POST_PIXEL);
1872         op->customdata= info;
1873
1874         sample_apply(C, op, event);
1875
1876         WM_event_add_modal_handler(C, op);
1877
1878         return OPERATOR_RUNNING_MODAL;
1879 }
1880
1881 static int sample_modal(bContext *C, wmOperator *op, wmEvent *event)
1882 {
1883         switch(event->type) {
1884                 case LEFTMOUSE:
1885                 case RIGHTMOUSE: // XXX hardcoded
1886                         sample_exit(C, op);
1887                         return OPERATOR_CANCELLED;
1888                 case MOUSEMOVE:
1889                         sample_apply(C, op, event);
1890                         break;
1891         }
1892
1893         return OPERATOR_RUNNING_MODAL;
1894 }
1895
1896 static int sample_cancel(bContext *C, wmOperator *op)
1897 {
1898         sample_exit(C, op);
1899         return OPERATOR_CANCELLED;
1900 }
1901
1902 void IMAGE_OT_sample(wmOperatorType *ot)
1903 {
1904         /* identifiers */
1905         ot->name= "Sample Color";
1906         ot->idname= "IMAGE_OT_sample";
1907
1908         /* api callbacks */
1909         ot->invoke= sample_invoke;
1910         ot->modal= sample_modal;
1911         ot->cancel= sample_cancel;
1912         ot->poll= space_image_main_area_poll;
1913
1914         /* flags */
1915         ot->flag= OPTYPE_BLOCKING;
1916 }
1917
1918 /******************** sample line operator ********************/
1919 static int sample_line_exec(bContext *C, wmOperator *op)
1920 {
1921         SpaceImage *sima= CTX_wm_space_image(C);
1922         ARegion *ar= CTX_wm_region(C);
1923         Scene *scene= CTX_data_scene(C);
1924
1925         int x_start= RNA_int_get(op->ptr, "xstart");
1926         int y_start= RNA_int_get(op->ptr, "ystart");
1927         int x_end= RNA_int_get(op->ptr, "xend");
1928         int y_end= RNA_int_get(op->ptr, "yend");
1929
1930         void *lock;
1931         ImBuf *ibuf= ED_space_image_acquire_buffer(sima, &lock);
1932         Histogram *hist= &sima->sample_line_hist;
1933
1934         float x1f, y1f, x2f, y2f;
1935         int x1, y1, x2, y2;
1936         int i, x, y;
1937         float *fp;
1938         float rgb[3];
1939         unsigned char *cp;
1940
1941         if (ibuf == NULL) {
1942                 ED_space_image_release_buffer(sima, lock);
1943                 return OPERATOR_CANCELLED;
1944         }
1945         /* hmmmm */
1946         if (ibuf->channels < 3) {
1947                 ED_space_image_release_buffer(sima, lock);
1948                 return OPERATOR_CANCELLED;
1949         }
1950
1951         UI_view2d_region_to_view(&ar->v2d, x_start, y_start, &x1f, &y1f);
1952         UI_view2d_region_to_view(&ar->v2d, x_end, y_end, &x2f, &y2f);
1953         x1= 0.5f+ x1f*ibuf->x;
1954         x2= 0.5f+ x2f*ibuf->x;
1955         y1= 0.5f+ y1f*ibuf->y;
1956         y2= 0.5f+ y2f*ibuf->y;
1957
1958         hist->channels = 3;
1959         hist->x_resolution = 256;
1960         hist->xmax = 1.0f;
1961         hist->ymax = 1.0f;
1962
1963         for (i=0; i<256; i++) {
1964                 x= (int)(0.5f + x1 + (float)i*(x2-x1)/255.0f);
1965                 y= (int)(0.5f + y1 + (float)i*(y2-y1)/255.0f);
1966
1967                 if (x<0 || y<0 || x>=ibuf->x || y>=ibuf->y) {
1968                         hist->data_luma[i] = hist->data_r[i] = hist->data_g[i]= hist->data_b[i] = 0.0f;
1969                 } else {
1970                         if (ibuf->rect_float) {
1971                                 fp= (ibuf->rect_float + (ibuf->channels)*(y*ibuf->x + x));
1972
1973                                 if (scene->r.color_mgt_flag & R_COLOR_MANAGEMENT)
1974                                         linearrgb_to_srgb_v3_v3(rgb, fp);
1975                                 else
1976                                         copy_v3_v3(rgb, fp);
1977
1978                                 hist->data_r[i] = rgb[0];
1979                                 hist->data_g[i] = rgb[1];
1980                                 hist->data_b[i] = rgb[2];
1981                                 hist->data_luma[i] = (0.299f*rgb[0] + 0.587f*rgb[1] + 0.114f*rgb[2]);
1982                         }
1983                         else if (ibuf->rect) {
1984                                 cp= (unsigned char *)(ibuf->rect + y*ibuf->x + x);
1985                                 hist->data_r[i] = (float)cp[0]/255.0f;
1986                                 hist->data_g[i] = (float)cp[1]/255.0f;
1987                                 hist->data_b[i] = (float)cp[2]/255.0f;
1988                                 hist->data_luma[i] = (0.299f*cp[0] + 0.587f*cp[1] + 0.114f*cp[2])/255;
1989                         }
1990                 }
1991         }
1992
1993         ED_space_image_release_buffer(sima, lock);
1994
1995         ED_area_tag_redraw(CTX_wm_area(C));
1996
1997         return OPERATOR_FINISHED;
1998 }
1999
2000 static int sample_line_invoke(bContext *C, wmOperator *op, wmEvent *event)
2001 {
2002         SpaceImage *sima= CTX_wm_space_image(C);
2003
2004         if(!ED_space_image_has_buffer(sima))
2005                 return OPERATOR_CANCELLED;
2006
2007         return WM_gesture_straightline_invoke(C, op, event);
2008 }
2009
2010 void IMAGE_OT_sample_line(wmOperatorType *ot)
2011 {
2012         /* identifiers */
2013         ot->name= "Sample Line";
2014         ot->idname= "IMAGE_OT_sample_line";
2015
2016         /* api callbacks */
2017         ot->invoke= sample_line_invoke;
2018         ot->modal= WM_gesture_straightline_modal;
2019         ot->exec= sample_line_exec;
2020         ot->poll= space_image_main_area_poll;
2021         ot->cancel= WM_gesture_straightline_cancel;
2022
2023         /* flags */
2024         ot->flag= 0; /* no undo/register since this operates on the space */
2025
2026         WM_operator_properties_gesture_straightline(ot, CURSOR_EDIT);
2027 }
2028
2029 /******************** set curve point operator ********************/
2030
2031 void IMAGE_OT_curves_point_set(wmOperatorType *ot)
2032 {
2033         static EnumPropertyItem point_items[]= {
2034                 {0, "BLACK_POINT", 0, "Black Point", ""},
2035                 {1, "WHITE_POINT", 0, "White Point", ""},
2036                 {0, NULL, 0, NULL, NULL}};
2037
2038         /* identifiers */
2039         ot->name= "Set Curves Point";
2040         ot->idname= "IMAGE_OT_curves_point_set";
2041
2042         /* flags */
2043         ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
2044
2045         /* api callbacks */
2046         ot->invoke= sample_invoke;
2047         ot->modal= sample_modal;
2048         ot->cancel= sample_cancel;
2049         ot->poll= space_image_main_area_poll;
2050
2051         /* properties */
2052         RNA_def_enum(ot->srna, "point", point_items, 0, "Point", "Set black point or white point for curves.");
2053 }
2054
2055 /******************** record composite operator *********************/
2056
2057 typedef struct RecordCompositeData {
2058         wmTimer *timer;
2059         int old_cfra;
2060         int sfra, efra;
2061 } RecordCompositeData;
2062
2063 static int record_composite_apply(bContext *C, wmOperator *op)
2064 {
2065         SpaceImage *sima= CTX_wm_space_image(C);
2066         RecordCompositeData *rcd= op->customdata;
2067         Scene *scene= CTX_data_scene(C);
2068         ImBuf *ibuf;
2069
2070         WM_timecursor(CTX_wm_window(C), scene->r.cfra);
2071
2072         // XXX scene->nodetree->test_break= blender_test_break;
2073         // XXX scene->nodetree->test_break= NULL;
2074
2075         BKE_image_all_free_anim_ibufs(scene->r.cfra);
2076         ntreeCompositTagAnimated(scene->nodetree);
2077         ntreeCompositExecTree(scene->nodetree, &scene->r, scene->r.cfra != rcd->old_cfra);      /* 1 is no previews */
2078
2079         ED_area_tag_redraw(CTX_wm_area(C));
2080
2081         ibuf= BKE_image_get_ibuf(sima->image, &sima->iuser);
2082         /* save memory in flipbooks */
2083         if(ibuf)
2084                 imb_freerectfloatImBuf(ibuf);
2085
2086         scene->r.cfra++;
2087
2088         return (scene->r.cfra <= rcd->efra);
2089 }
2090
2091 static int record_composite_init(bContext *C, wmOperator *op)
2092 {
2093         SpaceImage *sima= CTX_wm_space_image(C);
2094         Scene *scene= CTX_data_scene(C);
2095         RecordCompositeData *rcd;
2096
2097         if(sima->iuser.frames < 2)
2098                 return 0;
2099         if(scene->nodetree == NULL)
2100                 return 0;
2101
2102         op->customdata= rcd= MEM_callocN(sizeof(RecordCompositeData), "ImageRecordCompositeData");
2103
2104         rcd->old_cfra= scene->r.cfra;
2105         rcd->sfra= sima->iuser.sfra;
2106         rcd->efra= sima->iuser.sfra + sima->iuser.frames-1;
2107         scene->r.cfra= rcd->sfra;
2108
2109         return 1;
2110 }
2111
2112 static void record_composite_exit(bContext *C, wmOperator *op)
2113 {
2114         Scene *scene= CTX_data_scene(C);
2115         SpaceImage *sima= CTX_wm_space_image(C);
2116         RecordCompositeData *rcd= op->customdata;
2117
2118         scene->r.cfra= rcd->old_cfra;
2119
2120         WM_cursor_restore(CTX_wm_window(C));
2121
2122         if(rcd->timer)
2123                 WM_event_remove_timer(CTX_wm_manager(C), CTX_wm_window(C), rcd->timer);
2124
2125         WM_event_add_notifier(C, NC_IMAGE|NA_EDITED, sima->image);
2126
2127         // XXX play_anim(0);
2128         // XXX allqueue(REDRAWNODE, 1);
2129
2130         MEM_freeN(rcd);
2131 }
2132
2133 static int record_composite_exec(bContext *C, wmOperator *op)
2134 {
2135         if(!record_composite_init(C, op))
2136                 return OPERATOR_CANCELLED;
2137
2138         while(record_composite_apply(C, op))
2139                 ;
2140
2141         record_composite_exit(C, op);
2142
2143         return OPERATOR_FINISHED;
2144 }
2145
2146 static int record_composite_invoke(bContext *C, wmOperator *op, wmEvent *UNUSED(event))
2147 {
2148         RecordCompositeData *rcd;
2149
2150         if(!record_composite_init(C, op))
2151                 return OPERATOR_CANCELLED;
2152
2153         rcd= op->customdata;
2154         rcd->timer= WM_event_add_timer(CTX_wm_manager(C), CTX_wm_window(C), TIMER, 0.0f);
2155         WM_event_add_modal_handler(C, op);
2156
2157         if(!record_composite_apply(C, op))
2158                 return OPERATOR_FINISHED;
2159
2160         return OPERATOR_RUNNING_MODAL;
2161 }
2162
2163 static int record_composite_modal(bContext *C, wmOperator *op, wmEvent *event)
2164 {
2165         RecordCompositeData *rcd= op->customdata;
2166
2167         switch(event->type) {
2168                 case TIMER:
2169                         if(rcd->timer == event->customdata) {
2170                                 if(!record_composite_apply(C, op)) {
2171                                         record_composite_exit(C, op);
2172                                         return OPERATOR_FINISHED;
2173                                 }
2174                         }
2175                         break;
2176                 case ESCKEY:
2177                         record_composite_exit(C, op);
2178                         return OPERATOR_FINISHED;
2179         }
2180
2181         return OPERATOR_RUNNING_MODAL;
2182 }
2183
2184 static int record_composite_cancel(bContext *C, wmOperator *op)
2185 {
2186         record_composite_exit(C, op);
2187         return OPERATOR_CANCELLED;
2188 }
2189
2190 void IMAGE_OT_record_composite(wmOperatorType *ot)
2191 {
2192         /* identifiers */
2193         ot->name= "Record Composite";
2194         ot->idname= "IMAGE_OT_record_composite";
2195
2196         /* api callbacks */
2197         ot->exec= record_composite_exec;
2198         ot->invoke= record_composite_invoke;
2199         ot->modal= record_composite_modal;
2200         ot->cancel= record_composite_cancel;
2201         ot->poll= space_image_buffer_exists_poll;
2202 }
2203
2204 /********************* cycle render slot operator *********************/
2205
2206 static int cycle_render_slot_poll(bContext *C)
2207 {
2208         Image *ima= CTX_data_edit_image(C);
2209
2210         return (ima && ima->type == IMA_TYPE_R_RESULT);
2211 }
2212
2213 static int cycle_render_slot_exec(bContext *C, wmOperator *op)
2214 {
2215         Image *ima= CTX_data_edit_image(C);
2216         int a, slot, cur= ima->render_slot;
2217         const short use_reverse= RNA_boolean_get(op->ptr, "reverse");
2218
2219         for(a=1; a<IMA_MAX_RENDER_SLOT; a++) {
2220                 slot= (cur + (use_reverse ? -a:a))%IMA_MAX_RENDER_SLOT;
2221                 if(slot<0) slot+=IMA_MAX_RENDER_SLOT;
2222
2223                 if(ima->renders[slot] || slot == ima->last_render_slot) {
2224                         ima->render_slot= slot;
2225                         break;
2226                 }
2227                 else if((slot - 1) == ima->last_render_slot && slot < IMA_MAX_RENDER_SLOT) {
2228                         ima->render_slot= slot;
2229                         break;
2230                 }
2231         }
2232
2233         if(a == IMA_MAX_RENDER_SLOT)
2234                 ima->render_slot= ((cur == 1)? 0: 1);
2235
2236         WM_event_add_notifier(C, NC_IMAGE|ND_DRAW, NULL);
2237
2238         /* no undo push for browsing existing */
2239         if(ima->renders[ima->render_slot] || ima->render_slot==ima->last_render_slot)
2240                 return OPERATOR_CANCELLED;
2241
2242         return OPERATOR_FINISHED;
2243 }
2244
2245 void IMAGE_OT_cycle_render_slot(wmOperatorType *ot)
2246 {
2247         /* identifiers */
2248         ot->name= "Cycle Render Slot";
2249         ot->idname= "IMAGE_OT_cycle_render_slot";
2250
2251         /* api callbacks */
2252         ot->exec= cycle_render_slot_exec;
2253         ot->poll= cycle_render_slot_poll;
2254
2255         /* flags */
2256         ot->flag= OPTYPE_REGISTER|OPTYPE_UNDO;
2257
2258         RNA_def_boolean(ot->srna, "reverse", 0, "Cycle in Reverse", "");
2259 }
2260
2261 /******************** TODO ********************/
2262
2263 /* XXX notifier? */
2264
2265 /* goes over all ImageUsers, and sets frame numbers if auto-refresh is set */
2266
2267 void ED_image_update_frame(const Main *mainp, int cfra)
2268 {
2269         wmWindowManager *wm;
2270         wmWindow *win;
2271         Tex *tex;
2272
2273         /* texture users */
2274         for(tex= mainp->tex.first; tex; tex= tex->id.next) {
2275                 if(tex->type==TEX_IMAGE && tex->ima) {
2276                         if(ELEM(tex->ima->source, IMA_SRC_MOVIE, IMA_SRC_SEQUENCE)) {
2277                                 if(tex->iuser.flag & IMA_ANIM_ALWAYS)
2278                                         BKE_image_user_calc_frame(&tex->iuser, cfra, 0);
2279                         }
2280                 }
2281         }
2282
2283         /* image window, compo node users */
2284         for(wm=mainp->wm.first; wm; wm= wm->id.next) { /* only 1 wm */
2285                 for(win= wm->windows.first; win; win= win->next) {
2286                         ScrArea *sa;
2287                         for(sa= win->screen->areabase.first; sa; sa= sa->next) {
2288                                 if(sa->spacetype==SPACE_VIEW3D) {
2289                                         View3D *v3d= sa->spacedata.first;
2290                                         BGpic *bgpic;
2291                                         for(bgpic= v3d->bgpicbase.first; bgpic; bgpic= bgpic->next)
2292                                                 if(bgpic->iuser.flag & IMA_ANIM_ALWAYS)
2293                                                         BKE_image_user_calc_frame(&bgpic->iuser, cfra, 0);
2294                                 }
2295                                 else if(sa->spacetype==SPACE_IMAGE) {
2296                                         SpaceImage *sima= sa->spacedata.first;
2297                                         if(sima->iuser.flag & IMA_ANIM_ALWAYS)
2298                                                 BKE_image_user_calc_frame(&sima->iuser, cfra, 0);
2299                                 }
2300                                 else if(sa->spacetype==SPACE_NODE) {
2301                                         SpaceNode *snode= sa->spacedata.first;
2302                                         if((snode->treetype==NTREE_COMPOSIT) && (snode->nodetree)) {
2303                                                 bNode *node;
2304                                                 for(node= snode->nodetree->nodes.first; node; node= node->next) {
2305                                                         if(node->id && node->type==CMP_NODE_IMAGE) {
2306                                                                 Image *ima= (Image *)node->id;
2307                                                                 ImageUser *iuser= node->storage;
2308                                                                 if(ELEM(ima->source, IMA_SRC_MOVIE, IMA_SRC_SEQUENCE))
2309                                                                         if(iuser->flag & IMA_ANIM_ALWAYS)
2310                                                                                 BKE_image_user_calc_frame(iuser, cfra, 0);
2311                                                         }
2312                                                 }
2313                                         }
2314                                 }
2315                         }
2316                 }
2317         }
2318 }
2319