source/blender/editors/space_image/space_image.c

   1 /*
   2  * ***** BEGIN GPL LICENSE BLOCK *****
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License
   6  * as published by the Free Software Foundation; either version 2
   7  * of the License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software Foundation,
  16  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  17  *
  18  * The Original Code is Copyright (C) 2008 Blender Foundation.
  19  * All rights reserved.
  20  *
  21  *
  22  * Contributor(s): Blender Foundation
  23  *
  24  * ***** END GPL LICENSE BLOCK *****
  25  */
  26
  27 /** \file blender/editors/space_image/space_image.c
  28  *  \ingroup spimage
  29  */
  30
  31 #include "DNA_mesh_types.h"
  32 #include "DNA_mask_types.h"
  33 #include "DNA_meshdata_types.h"
  34 #include "DNA_object_types.h"
  35 #include "DNA_scene_types.h"
  36
  37 #include "MEM_guardedalloc.h"
  38
  39 #include "BLI_blenlib.h"
  40 #include "BLI_math.h"
  41
  42 #include "BKE_colortools.h"
  43 #include "BKE_context.h"
  44 #include "BKE_image.h"
  45 #include "BKE_global.h"
  46 #include "BKE_scene.h"
  47 #include "BKE_screen.h"
  48 #include "BKE_tessmesh.h"
  49 #include "BKE_sequencer.h"
  50 #include "BKE_node.h"
  51
  52 #include "IMB_imbuf_types.h"
  53
  54 #include "ED_image.h"
  55 #include "ED_mask.h"
  56 #include "ED_mesh.h"
  57 #include "ED_node.h"
  58 #include "ED_space_api.h"
  59 #include "ED_screen.h"
  60 #include "ED_uvedit.h"
  61
  62 #include "BIF_gl.h"
  63
  64 #include "RNA_access.h"
  65
  66 #include "WM_api.h"
  67 #include "WM_types.h"
  68
  69 #include "UI_resources.h"
  70 #include "UI_view2d.h"
  71
  72 #include "image_intern.h"
  73
  74 /**************************** common state *****************************/
  75
  76 static void image_scopes_tag_refresh(ScrArea *sa)
  77 {
  78         SpaceImage *sima = (SpaceImage *)sa->spacedata.first;
  79         ARegion *ar;
  80
  81         /* only while histogram is visible */
  82         for (ar = sa->regionbase.first; ar; ar = ar->next) {
  83                 if (ar->regiontype == RGN_TYPE_PREVIEW && ar->flag & RGN_FLAG_HIDDEN)
  84                         return;
  85         }
  86
  87         sima->scopes.ok = 0;
  88 }
  89
  90
  91 /* ******************** manage regions ********************* */
  92
  93 ARegion *image_has_buttons_region(ScrArea *sa)
  94 {
  95         ARegion *ar, *arnew;
  96
  97         ar = BKE_area_find_region_type(sa, RGN_TYPE_UI);
  98         if (ar) return ar;
  99
 100         /* add subdiv level; after header */
 101         ar = BKE_area_find_region_type(sa, RGN_TYPE_HEADER);
 102
 103         /* is error! */
 104         if (ar == NULL) return NULL;
 105
 106         arnew = MEM_callocN(sizeof(ARegion), "buttons for image");
 107
 108         BLI_insertlinkafter(&sa->regionbase, ar, arnew);
 109         arnew->regiontype = RGN_TYPE_UI;
 110         arnew->alignment = RGN_ALIGN_LEFT;
 111
 112         arnew->flag = RGN_FLAG_HIDDEN;
 113
 114         return arnew;
 115 }
 116
 117 ARegion *image_has_scope_region(ScrArea *sa)
 118 {
 119         ARegion *ar, *arnew;
 120
 121         ar = BKE_area_find_region_type(sa, RGN_TYPE_PREVIEW);
 122         if (ar) return ar;
 123
 124         /* add subdiv level; after buttons */
 125         ar = BKE_area_find_region_type(sa, RGN_TYPE_UI);
 126
 127         /* is error! */
 128         if (ar == NULL) return NULL;
 129
 130         arnew = MEM_callocN(sizeof(ARegion), "scopes for image");
 131
 132         BLI_insertlinkafter(&sa->regionbase, ar, arnew);
 133         arnew->regiontype = RGN_TYPE_PREVIEW;
 134         arnew->alignment = RGN_ALIGN_RIGHT;
 135
 136         arnew->flag = RGN_FLAG_HIDDEN;
 137
 138         image_scopes_tag_refresh(sa);
 139
 140         return arnew;
 141 }
 142
 143 /* ******************** default callbacks for image space ***************** */
 144
 145 static SpaceLink *image_new(const bContext *UNUSED(C))
 146 {
 147         ARegion *ar;
 148         SpaceImage *simage;
 149
 150         simage = MEM_callocN(sizeof(SpaceImage), "initimage");
 151         simage->spacetype = SPACE_IMAGE;
 152         simage->zoom = 1.0f;
 153         simage->lock = TRUE;
 154
 155         simage->iuser.ok = TRUE;
 156         simage->iuser.fie_ima = 2;
 157         simage->iuser.frames = 100;
 158
 159         scopes_new(&simage->scopes);
 160         simage->sample_line_hist.height = 100;
 161
 162         /* header */
 163         ar = MEM_callocN(sizeof(ARegion), "header for image");
 164
 165         BLI_addtail(&simage->regionbase, ar);
 166         ar->regiontype = RGN_TYPE_HEADER;
 167         ar->alignment = RGN_ALIGN_BOTTOM;
 168
 169         /* buttons/list view */
 170         ar = MEM_callocN(sizeof(ARegion), "buttons for image");
 171
 172         BLI_addtail(&simage->regionbase, ar);
 173         ar->regiontype = RGN_TYPE_UI;
 174         ar->alignment = RGN_ALIGN_LEFT;
 175         ar->flag = RGN_FLAG_HIDDEN;
 176
 177         /* scopes */
 178         ar = MEM_callocN(sizeof(ARegion), "buttons for image");
 179
 180         BLI_addtail(&simage->regionbase, ar);
 181         ar->regiontype = RGN_TYPE_PREVIEW;
 182         ar->alignment = RGN_ALIGN_RIGHT;
 183         ar->flag = RGN_FLAG_HIDDEN;
 184
 185         /* main area */
 186         ar = MEM_callocN(sizeof(ARegion), "main area for image");
 187
 188         BLI_addtail(&simage->regionbase, ar);
 189         ar->regiontype = RGN_TYPE_WINDOW;
 190
 191         return (SpaceLink *)simage;
 192 }
 193
 194 /* not spacelink itself */
 195 static void image_free(SpaceLink *sl)
 196 {
 197         SpaceImage *simage = (SpaceImage *) sl;
 198
 199         if (simage->cumap)
 200                 curvemapping_free(simage->cumap);
 201         scopes_free(&simage->scopes);
 202 }
 203
 204
 205 /* spacetype; init callback, add handlers */
 206 static void image_init(struct wmWindowManager *UNUSED(wm), ScrArea *sa)
 207 {
 208         ListBase *lb = WM_dropboxmap_find("Image", SPACE_IMAGE, 0);
 209
 210         /* add drop boxes */
 211         WM_event_add_dropbox_handler(&sa->handlers, lb);
 212
 213 }
 214
 215 static SpaceLink *image_duplicate(SpaceLink *sl)
 216 {
 217         SpaceImage *simagen = MEM_dupallocN(sl);
 218
 219         /* clear or remove stuff from old */
 220         if (simagen->cumap)
 221                 simagen->cumap = curvemapping_copy(simagen->cumap);
 222
 223         scopes_new(&simagen->scopes);
 224
 225         return (SpaceLink *)simagen;
 226 }
 227
 228 static void image_operatortypes(void)
 229 {
 230         WM_operatortype_append(IMAGE_OT_view_all);
 231         WM_operatortype_append(IMAGE_OT_view_pan);
 232         WM_operatortype_append(IMAGE_OT_view_selected);
 233         WM_operatortype_append(IMAGE_OT_view_zoom);
 234         WM_operatortype_append(IMAGE_OT_view_zoom_in);
 235         WM_operatortype_append(IMAGE_OT_view_zoom_out);
 236         WM_operatortype_append(IMAGE_OT_view_zoom_ratio);
 237         WM_operatortype_append(IMAGE_OT_view_ndof);
 238
 239         WM_operatortype_append(IMAGE_OT_new);
 240         WM_operatortype_append(IMAGE_OT_open);
 241         WM_operatortype_append(IMAGE_OT_match_movie_length);
 242         WM_operatortype_append(IMAGE_OT_replace);
 243         WM_operatortype_append(IMAGE_OT_reload);
 244         WM_operatortype_append(IMAGE_OT_save);
 245         WM_operatortype_append(IMAGE_OT_save_as);
 246         WM_operatortype_append(IMAGE_OT_save_sequence);
 247         WM_operatortype_append(IMAGE_OT_pack);
 248         WM_operatortype_append(IMAGE_OT_unpack);
 249
 250         WM_operatortype_append(IMAGE_OT_invert);
 251
 252         WM_operatortype_append(IMAGE_OT_cycle_render_slot);
 253
 254         WM_operatortype_append(IMAGE_OT_sample);
 255         WM_operatortype_append(IMAGE_OT_sample_line);
 256         WM_operatortype_append(IMAGE_OT_curves_point_set);
 257
 258         WM_operatortype_append(IMAGE_OT_record_composite);
 259
 260         WM_operatortype_append(IMAGE_OT_properties);
 261         WM_operatortype_append(IMAGE_OT_scopes);
 262 }
 263
 264 static void image_keymap(struct wmKeyConfig *keyconf)
 265 {
 266         wmKeyMap *keymap = WM_keymap_find(keyconf, "Image Generic", SPACE_IMAGE, 0);
 267         wmKeyMapItem *kmi;
 268         int i;
 269
 270         WM_keymap_add_item(keymap, "IMAGE_OT_new", NKEY, KM_PRESS, KM_ALT, 0);
 271         WM_keymap_add_item(keymap, "IMAGE_OT_open", OKEY, KM_PRESS, KM_ALT, 0);
 272         WM_keymap_add_item(keymap, "IMAGE_OT_reload", RKEY, KM_PRESS, KM_ALT, 0);
 273         WM_keymap_add_item(keymap, "IMAGE_OT_save", SKEY, KM_PRESS, KM_ALT, 0);
 274         WM_keymap_add_item(keymap, "IMAGE_OT_save_as", F3KEY, KM_PRESS, 0, 0);
 275         WM_keymap_add_item(keymap, "IMAGE_OT_properties", NKEY, KM_PRESS, 0, 0);
 276         WM_keymap_add_item(keymap, "IMAGE_OT_scopes", TKEY, KM_PRESS, 0, 0);
 277
 278         WM_keymap_add_item(keymap, "IMAGE_OT_cycle_render_slot", JKEY, KM_PRESS, 0, 0);
 279         RNA_boolean_set(WM_keymap_add_item(keymap, "IMAGE_OT_cycle_render_slot", JKEY, KM_PRESS, KM_ALT, 0)->ptr, "reverse", TRUE);
 280
 281         keymap = WM_keymap_find(keyconf, "Image", SPACE_IMAGE, 0);
 282
 283         WM_keymap_add_item(keymap, "IMAGE_OT_view_all", HOMEKEY, KM_PRESS, 0, 0);
 284         WM_keymap_add_item(keymap, "IMAGE_OT_view_selected", PADPERIOD, KM_PRESS, 0, 0);
 285         WM_keymap_add_item(keymap, "IMAGE_OT_view_pan", MIDDLEMOUSE, KM_PRESS, 0, 0);
 286         WM_keymap_add_item(keymap, "IMAGE_OT_view_pan", MIDDLEMOUSE, KM_PRESS, KM_SHIFT, 0);
 287         WM_keymap_add_item(keymap, "IMAGE_OT_view_pan", MOUSEPAN, 0, 0, 0);
 288
 289         WM_keymap_add_item(keymap, "IMAGE_OT_view_all", NDOF_BUTTON_FIT, KM_PRESS, 0, 0); // or view selected?
 290         WM_keymap_add_item(keymap, "IMAGE_OT_view_ndof", NDOF_MOTION, 0, 0, 0);
 291
 292         WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_in", WHEELINMOUSE, KM_PRESS, 0, 0);
 293         WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_out", WHEELOUTMOUSE, KM_PRESS, 0, 0);
 294         WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_in", PADPLUSKEY, KM_PRESS, 0, 0);
 295         WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_out", PADMINUS, KM_PRESS, 0, 0);
 296         WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom", MIDDLEMOUSE, KM_PRESS, KM_CTRL, 0);
 297         WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom", MOUSEZOOM, 0, 0, 0);
 298
 299         RNA_float_set(WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_ratio", PAD8, KM_PRESS, KM_SHIFT, 0)->ptr, "ratio", 8.0f);
 300         RNA_float_set(WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_ratio", PAD4, KM_PRESS, KM_SHIFT, 0)->ptr, "ratio", 4.0f);
 301         RNA_float_set(WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_ratio", PAD2, KM_PRESS, KM_SHIFT, 0)->ptr, "ratio", 2.0f);
 302         RNA_float_set(WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_ratio", PAD1, KM_PRESS, 0, 0)->ptr, "ratio", 1.0f);
 303         RNA_float_set(WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_ratio", PAD2, KM_PRESS, 0, 0)->ptr, "ratio", 0.5f);
 304         RNA_float_set(WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_ratio", PAD4, KM_PRESS, 0, 0)->ptr, "ratio", 0.25f);
 305         RNA_float_set(WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_ratio", PAD8, KM_PRESS, 0, 0)->ptr, "ratio", 0.125f);
 306
 307         WM_keymap_add_item(keymap, "IMAGE_OT_sample", ACTIONMOUSE, KM_PRESS, 0, 0);
 308         RNA_enum_set(WM_keymap_add_item(keymap, "IMAGE_OT_curves_point_set", ACTIONMOUSE, KM_PRESS, KM_CTRL, 0)->ptr, "point", 0);
 309         RNA_enum_set(WM_keymap_add_item(keymap, "IMAGE_OT_curves_point_set", ACTIONMOUSE, KM_PRESS, KM_SHIFT, 0)->ptr, "point", 1);
 310
 311         /* toggle editmode is handy to have while UV unwrapping */
 312         kmi = WM_keymap_add_item(keymap, "OBJECT_OT_mode_set", TABKEY, KM_PRESS, 0, 0);
 313         RNA_enum_set(kmi->ptr, "mode", OB_MODE_EDIT);
 314         RNA_boolean_set(kmi->ptr, "toggle", TRUE);
 315
 316         /* fast switch to render slots */
 317         for (i = 0; i < MAX2(IMA_MAX_RENDER_SLOT, 9); i++) {
 318                 kmi = WM_keymap_add_item(keymap, "WM_OT_context_set_int", ONEKEY + i, KM_PRESS, 0, 0);
 319                 RNA_string_set(kmi->ptr, "data_path", "space_data.image.render_slot");
 320                 RNA_int_set(kmi->ptr, "value", i);
 321         }
 322
 323         /* pivot */
 324         kmi = WM_keymap_add_item(keymap, "WM_OT_context_set_enum", COMMAKEY, KM_PRESS, 0, 0);
 325         RNA_string_set(kmi->ptr, "data_path", "space_data.pivot_point");
 326         RNA_string_set(kmi->ptr, "value", "CENTER");
 327
 328         kmi = WM_keymap_add_item(keymap, "WM_OT_context_set_enum", COMMAKEY, KM_PRESS, KM_CTRL, 0);
 329         RNA_string_set(kmi->ptr, "data_path", "space_data.pivot_point");
 330         RNA_string_set(kmi->ptr, "value", "MEDIAN");
 331
 332         kmi = WM_keymap_add_item(keymap, "WM_OT_context_set_enum", PERIODKEY, KM_PRESS, 0, 0);
 333         RNA_string_set(kmi->ptr, "data_path", "space_data.pivot_point");
 334         RNA_string_set(kmi->ptr, "value", "CURSOR");
 335 }
 336
 337 /* dropboxes */
 338 static int image_drop_poll(bContext *UNUSED(C), wmDrag *drag, wmEvent *UNUSED(event))
 339 {
 340         if (drag->type == WM_DRAG_PATH)
 341                 if (ELEM3(drag->icon, 0, ICON_FILE_IMAGE, ICON_FILE_BLANK)) /* rule might not work? */
 342                         return 1;
 343         return 0;
 344 }
 345
 346 static void image_drop_copy(wmDrag *drag, wmDropBox *drop)
 347 {
 348         /* copy drag path to properties */
 349         RNA_string_set(drop->ptr, "filepath", drag->path);
 350 }
 351
 352 /* area+region dropbox definition */
 353 static void image_dropboxes(void)
 354 {
 355         ListBase *lb = WM_dropboxmap_find("Image", SPACE_IMAGE, 0);
 356
 357         WM_dropbox_add(lb, "IMAGE_OT_open", image_drop_poll, image_drop_copy);
 358 }
 359
 360 /**
 361  * \note take care not to get into feedback loop here,
 362  *       calling composite job causes viewer to refresh.
 363  */
 364 static void image_refresh(const bContext *C, ScrArea *sa)
 365 {
 366         Scene *scene = CTX_data_scene(C);
 367         SpaceImage *sima = sa->spacedata.first;
 368         Object *obedit = CTX_data_edit_object(C);
 369         Image *ima;
 370
 371         ima = ED_space_image(sima);
 372
 373         BKE_image_user_check_frame_calc(&sima->iuser, scene->r.cfra, 0);
 374
 375         /* check if we have to set the image from the editmesh */
 376         if (ima && (ima->source == IMA_SRC_VIEWER && sima->mode == SI_MODE_MASK)) {
 377                 if (sima->lock == FALSE && G.moving) {
 378                         /* pass */
 379                 }
 380                 else {
 381                         if (scene->nodetree) {
 382                                 Mask *mask = ED_space_image_get_mask(sima);
 383                                 if (mask) {
 384                                         ED_node_composite_job(C, scene->nodetree, scene);
 385                                 }
 386                         }
 387                 }
 388         }
 389         else if (ima && (ima->source == IMA_SRC_VIEWER || sima->pin)) {
 390                 /* pass */
 391         }
 392         else if (obedit && obedit->type == OB_MESH) {
 393                 Mesh *me = (Mesh *)obedit->data;
 394                 struct BMEditMesh *em = me->edit_btmesh;
 395                 int sloppy = TRUE; /* partially selected face is ok */
 396                 int selected = !(scene->toolsettings->uv_flag & UV_SYNC_SELECTION); /* only selected active face? */
 397
 398                 if (BKE_scene_use_new_shading_nodes(scene)) {
 399                         /* new shading system, get image from material */
 400                         BMFace *efa = BM_active_face_get(em->bm, sloppy, selected);
 401
 402                         if (efa) {
 403                                 Image *node_ima;
 404                                 ED_object_get_active_image(obedit, efa->mat_nr + 1, &node_ima, NULL, NULL);
 405
 406                                 if (node_ima)
 407                                         sima->image = node_ima;
 408                         }
 409                 }
 410                 else {
 411                         /* old shading system, we set texface */
 412                         MTexPoly *tf;
 413
 414                         if (em && EDBM_mtexpoly_check(em)) {
 415                                 sima->image = NULL;
 416
 417                                 tf = EDBM_mtexpoly_active_get(em, NULL, sloppy, selected);
 418
 419                                 if (tf) {
 420                                         /* don't need to check for pin here, see above */
 421                                         sima->image = tf->tpage;
 422
 423                                         if (sima->flag & SI_EDITTILE) ;
 424                                         else sima->curtile = tf->tile;
 425                                 }
 426                         }
 427                 }
 428         }
 429 }
 430
 431 static void image_listener(ScrArea *sa, wmNotifier *wmn)
 432 {
 433         SpaceImage *sima = (SpaceImage *)sa->spacedata.first;
 434
 435         /* context changes */
 436         switch (wmn->category) {
 437                 case NC_SCENE:
 438                         switch (wmn->data) {
 439                                 case ND_FRAME:
 440                                         image_scopes_tag_refresh(sa);
 441                                         ED_area_tag_refresh(sa);
 442                                         ED_area_tag_redraw(sa);
 443                                         break;
 444                                 case ND_MODE:
 445                                 case ND_RENDER_RESULT:
 446                                 case ND_COMPO_RESULT:
 447                                         if (ED_space_image_show_render(sima))
 448                                                 image_scopes_tag_refresh(sa);
 449                                         ED_area_tag_redraw(sa);
 450                                         break;
 451                         }
 452                         break;
 453                 case NC_IMAGE:
 454                         if (wmn->reference == sima->image || !wmn->reference) {
 455                                 image_scopes_tag_refresh(sa);
 456                                 ED_area_tag_refresh(sa);
 457                                 ED_area_tag_redraw(sa);
 458                         }
 459                         break;
 460                 case NC_SPACE:
 461                         if (wmn->data == ND_SPACE_IMAGE) {
 462                                 image_scopes_tag_refresh(sa);
 463                                 ED_area_tag_redraw(sa);
 464                         }
 465                         break;
 466                 case NC_MASK:
 467                 {
 468                         // Scene *scene = wmn->window->screen->scene;
 469                         /* ideally would check for: ED_space_image_check_show_maskedit(scene, sima) but we cant get the scene */
 470                         if (sima->mode == SI_MODE_MASK) {
 471                                 switch (wmn->data) {
 472                                         case ND_SELECT:
 473                                                 ED_area_tag_redraw(sa);
 474                                                 break;
 475                                         case ND_DATA:
 476                                         case ND_DRAW:
 477                                                 /* causes node-recalc */
 478                                                 ED_area_tag_redraw(sa);
 479                                                 ED_area_tag_refresh(sa);
 480                                                 break;
 481                                 }
 482                                 switch (wmn->action) {
 483                                         case NA_SELECTED:
 484                                                 ED_area_tag_redraw(sa);
 485                                                 break;
 486                                         case NA_EDITED:
 487                                                 /* causes node-recalc */
 488                                                 ED_area_tag_redraw(sa);
 489                                                 ED_area_tag_refresh(sa);
 490                                                 break;
 491                                 }
 492                         }
 493                         break;
 494                 }
 495                 case NC_GEOM:
 496                         switch (wmn->data) {
 497                                 case ND_DATA:
 498                                 case ND_SELECT:
 499                                         image_scopes_tag_refresh(sa);
 500                                         ED_area_tag_refresh(sa);
 501                                         ED_area_tag_redraw(sa);
 502                                         break;
 503                         }
 504                 case NC_OBJECT:
 505                 {
 506                         Object *ob = (Object *)wmn->reference;
 507                         switch (wmn->data) {
 508                                 case ND_TRANSFORM:
 509                                 case ND_MODIFIER:
 510                                         if (ob && (ob->mode & OB_MODE_EDIT) && sima->lock && (sima->flag & SI_DRAWSHADOW)) {
 511                                                 ED_area_tag_refresh(sa);
 512                                                 ED_area_tag_redraw(sa);
 513                                         }
 514                                         break;
 515                         }
 516                 }
 517         }
 518 }
 519
 520 const char *image_context_dir[] = {"edit_image", "edit_mask", NULL};
 521
 522 static int image_context(const bContext *C, const char *member, bContextDataResult *result)
 523 {
 524         SpaceImage *sima = CTX_wm_space_image(C);
 525
 526         if (CTX_data_dir(member)) {
 527                 CTX_data_dir_set(result, image_context_dir);
 528         }
 529         else if (CTX_data_equals(member, "edit_image")) {
 530                 CTX_data_id_pointer_set(result, (ID *)ED_space_image(sima));
 531                 return 1;
 532         }
 533         else if (CTX_data_equals(member, "edit_mask")) {
 534                 Mask *mask = ED_space_image_get_mask(sima);
 535                 if (mask) {
 536                         CTX_data_id_pointer_set(result, &mask->id);
 537                 }
 538                 return TRUE;
 539         }
 540         return 0;
 541 }
 542
 543 /************************** main region ***************************/
 544
 545 /* sets up the fields of the View2D from zoom and offset */
 546 static void image_main_area_set_view2d(SpaceImage *sima, ARegion *ar)
 547 {
 548         Image *ima = ED_space_image(sima);
 549         float x1, y1, w, h;
 550         int width, height, winx, winy;
 551
 552 #if 0
 553         if (image_preview_active(curarea, &width, &height)) ;
 554         else
 555 #endif
 556         ED_space_image_get_size(sima, &width, &height);
 557
 558         w = width;
 559         h = height;
 560
 561         if (ima)
 562                 h *= ima->aspy / ima->aspx;
 563
 564         winx = BLI_RCT_SIZE_X(&ar->winrct) + 1;
 565         winy = BLI_RCT_SIZE_Y(&ar->winrct) + 1;
 566
 567         ar->v2d.tot.xmin = 0;
 568         ar->v2d.tot.ymin = 0;
 569         ar->v2d.tot.xmax = w;
 570         ar->v2d.tot.ymax = h;
 571
 572         ar->v2d.mask.xmin = ar->v2d.mask.ymin = 0;
 573         ar->v2d.mask.xmax = winx;
 574         ar->v2d.mask.ymax = winy;
 575
 576         /* which part of the image space do we see? */
 577         x1 = ar->winrct.xmin + (winx - sima->zoom * w) / 2.0f;
 578         y1 = ar->winrct.ymin + (winy - sima->zoom * h) / 2.0f;
 579
 580         x1 -= sima->zoom * sima->xof;
 581         y1 -= sima->zoom * sima->yof;
 582
 583         /* relative display right */
 584         ar->v2d.cur.xmin = ((ar->winrct.xmin - (float)x1) / sima->zoom);
 585         ar->v2d.cur.xmax = ar->v2d.cur.xmin + ((float)winx / sima->zoom);
 586
 587         /* relative display left */
 588         ar->v2d.cur.ymin = ((ar->winrct.ymin - (float)y1) / sima->zoom);
 589         ar->v2d.cur.ymax = ar->v2d.cur.ymin + ((float)winy / sima->zoom);
 590
 591         /* normalize 0.0..1.0 */
 592         ar->v2d.cur.xmin /= w;
 593         ar->v2d.cur.xmax /= w;
 594         ar->v2d.cur.ymin /= h;
 595         ar->v2d.cur.ymax /= h;
 596 }
 597
 598 /* add handlers, stuff you only do once or on area/region changes */
 599 static void image_main_area_init(wmWindowManager *wm, ARegion *ar)
 600 {
 601         wmKeyMap *keymap;
 602
 603         // image space manages own v2d
 604         // UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_STANDARD, ar->winx, ar->winy);
 605
 606         /* mask polls mode */
 607         keymap = WM_keymap_find(wm->defaultconf, "Mask Editing", 0, 0);
 608         WM_event_add_keymap_handler_bb(&ar->handlers, keymap, &ar->v2d.mask, &ar->winrct);
 609
 610         /* image paint polls for mode */
 611         keymap = WM_keymap_find(wm->defaultconf, "Image Paint", 0, 0);
 612         WM_event_add_keymap_handler_bb(&ar->handlers, keymap, &ar->v2d.mask, &ar->winrct);
 613
 614         keymap = WM_keymap_find(wm->defaultconf, "UV Editor", 0, 0);
 615         WM_event_add_keymap_handler(&ar->handlers, keymap);
 616
 617         keymap = WM_keymap_find(wm->defaultconf, "UV Sculpt", 0, 0);
 618         WM_event_add_keymap_handler(&ar->handlers, keymap);
 619
 620         /* own keymaps */
 621         keymap = WM_keymap_find(wm->defaultconf, "Image Generic", SPACE_IMAGE, 0);
 622         WM_event_add_keymap_handler(&ar->handlers, keymap);
 623         keymap = WM_keymap_find(wm->defaultconf, "Image", SPACE_IMAGE, 0);
 624         WM_event_add_keymap_handler_bb(&ar->handlers, keymap, &ar->v2d.mask, &ar->winrct);
 625
 626 }
 627
 628 static void image_main_area_draw(const bContext *C, ARegion *ar)
 629 {
 630         /* draw entirely, view changes should be handled here */
 631         SpaceImage *sima = CTX_wm_space_image(C);
 632         Object *obact = CTX_data_active_object(C);
 633         Object *obedit = CTX_data_edit_object(C);
 634         Mask *mask = NULL;
 635         Scene *scene = CTX_data_scene(C);
 636         View2D *v2d = &ar->v2d;
 637         //View2DScrollers *scrollers;
 638         float col[3];
 639
 640         /* XXX not supported yet, disabling for now */
 641         scene->r.scemode &= ~R_COMP_CROP;
 642
 643         /* clear and setup matrix */
 644         UI_GetThemeColor3fv(TH_BACK, col);
 645         glClearColor(col[0], col[1], col[2], 0.0);
 646         glClear(GL_COLOR_BUFFER_BIT);
 647
 648         /* put scene context variable in iuser */
 649         sima->iuser.scene = scene;
 650
 651         /* we set view2d from own zoom and offset each time */
 652         image_main_area_set_view2d(sima, ar);
 653
 654         /* we draw image in pixelspace */
 655         draw_image_main(sima, ar, scene);
 656
 657         /* and uvs in 0.0-1.0 space */
 658         UI_view2d_view_ortho(v2d);
 659         draw_uvedit_main(sima, ar, scene, obedit, obact);
 660
 661         /* check for mask (delay draw) */
 662         if (ED_space_image_show_uvedit(sima, obedit)) {
 663                 /* pass */
 664         }
 665         else if (sima->mode == SI_MODE_MASK) {
 666                 mask = ED_space_image_get_mask(sima);
 667                 draw_image_cursor(sima, ar);
 668         }
 669
 670         ED_region_draw_cb_draw(C, ar, REGION_DRAW_POST_VIEW);
 671
 672         /* Grease Pencil too (in addition to UV's) */
 673         draw_image_grease_pencil((bContext *)C, 1);
 674
 675         /* sample line */
 676         draw_image_sample_line(sima);
 677
 678         UI_view2d_view_restore(C);
 679
 680         /* draw Grease Pencil - screen space only */
 681         draw_image_grease_pencil((bContext *)C, 0);
 682
 683         if (mask) {
 684                 int width, height;
 685                 float aspx, aspy;
 686                 ED_space_image_get_size(sima, &width, &height);
 687                 ED_space_image_get_aspect(sima, &aspx, &aspy);
 688                 ED_mask_draw_region(mask, ar,
 689                                     sima->mask_info.draw_flag, sima->mask_info.draw_type,
 690                                     width, height,
 691                                     aspx, aspy,
 692                                     TRUE, FALSE,
 693                                     NULL, C);
 694
 695                 ED_mask_draw_frames(mask, ar, CFRA, mask->sfra, mask->efra);
 696
 697                 draw_image_cursor(sima, ar);
 698         }
 699
 700         /* scrollers? */
 701 #if 0
 702         scrollers = UI_view2d_scrollers_calc(C, v2d, V2D_UNIT_VALUES, V2D_GRID_CLAMP, V2D_ARG_DUMMY, V2D_ARG_DUMMY);
 703         UI_view2d_scrollers_draw(C, v2d, scrollers);
 704         UI_view2d_scrollers_free(scrollers);
 705 #endif
 706 }
 707
 708 static void image_main_area_listener(ARegion *ar, wmNotifier *wmn)
 709 {
 710         /* context changes */
 711         switch (wmn->category) {
 712                 case NC_SCREEN:
 713                         if (wmn->data == ND_GPENCIL)
 714                                 ED_region_tag_redraw(ar);
 715                         break;
 716         }
 717 }
 718
 719 /* *********************** buttons region ************************ */
 720
 721 /* add handlers, stuff you only do once or on area/region changes */
 722 static void image_buttons_area_init(wmWindowManager *wm, ARegion *ar)
 723 {
 724         wmKeyMap *keymap;
 725
 726         ED_region_panels_init(wm, ar);
 727
 728         keymap = WM_keymap_find(wm->defaultconf, "Image Generic", SPACE_IMAGE, 0);
 729         WM_event_add_keymap_handler(&ar->handlers, keymap);
 730 }
 731
 732 static void image_buttons_area_draw(const bContext *C, ARegion *ar)
 733 {
 734         ED_region_panels(C, ar, 1, NULL, -1);
 735 }
 736
 737 static void image_buttons_area_listener(ARegion *ar, wmNotifier *wmn)
 738 {
 739         /* context changes */
 740         switch (wmn->category) {
 741                 case NC_SCREEN:
 742                         if (wmn->data == ND_GPENCIL)
 743                                 ED_region_tag_redraw(ar);
 744                         break;
 745                 case NC_BRUSH:
 746                         if (wmn->action == NA_EDITED)
 747                                 ED_region_tag_redraw(ar);
 748                         break;
 749                 case NC_TEXTURE:
 750                 case NC_MATERIAL:
 751                         /* sending by texture render job and needed to properly update displaying
 752                          * brush texture icon */
 753                         ED_region_tag_redraw(ar);
 754                         break;
 755         }
 756 }
 757
 758 /* *********************** scopes region ************************ */
 759
 760 /* add handlers, stuff you only do once or on area/region changes */
 761 static void image_scope_area_init(wmWindowManager *wm, ARegion *ar)
 762 {
 763         wmKeyMap *keymap;
 764
 765         ED_region_panels_init(wm, ar);
 766
 767         keymap = WM_keymap_find(wm->defaultconf, "Image Generic", SPACE_IMAGE, 0);
 768         WM_event_add_keymap_handler(&ar->handlers, keymap);
 769 }
 770
 771 static void image_scope_area_draw(const bContext *C, ARegion *ar)
 772 {
 773         SpaceImage *sima = CTX_wm_space_image(C);
 774         Scene *scene = CTX_data_scene(C);
 775         void *lock;
 776         ImBuf *ibuf = ED_space_image_acquire_buffer(sima, &lock);
 777         if (ibuf) {
 778                 if (!sima->scopes.ok) {
 779                         BKE_histogram_update_sample_line(&sima->sample_line_hist, ibuf, scene->r.color_mgt_flag & R_COLOR_MANAGEMENT);
 780                 }
 781                 scopes_update(&sima->scopes, ibuf, scene->r.color_mgt_flag & R_COLOR_MANAGEMENT);
 782         }
 783         ED_space_image_release_buffer(sima, lock);
 784
 785         ED_region_panels(C, ar, 1, NULL, -1);
 786 }
 787
 788 static void image_scope_area_listener(ARegion *ar, wmNotifier *wmn)
 789 {
 790         /* context changes */
 791         switch (wmn->category) {
 792                 case NC_SCENE:
 793                         switch (wmn->data) {
 794                                 case ND_MODE:
 795                                 case ND_RENDER_RESULT:
 796                                 case ND_COMPO_RESULT:
 797                                         ED_region_tag_redraw(ar);
 798                                         break;
 799                         }
 800                         break;
 801                 case NC_IMAGE:
 802                         ED_region_tag_redraw(ar);
 803                         break;
 804                 case NC_NODE:
 805                         ED_region_tag_redraw(ar);
 806                         break;
 807
 808         }
 809 }
 810
 811 /************************* header region **************************/
 812
 813 /* add handlers, stuff you only do once or on area/region changes */
 814 static void image_header_area_init(wmWindowManager *UNUSED(wm), ARegion *ar)
 815 {
 816         ED_region_header_init(ar);
 817 }
 818
 819 static void image_header_area_draw(const bContext *C, ARegion *ar)
 820 {
 821         ED_region_header(C, ar);
 822 }
 823
 824 static void image_header_area_listener(ARegion *ar, wmNotifier *wmn)
 825 {
 826         /* context changes */
 827         switch (wmn->category) {
 828                 case NC_SCENE:
 829                         switch (wmn->data) {
 830                                 case ND_MODE:
 831                                 case ND_TOOLSETTINGS:
 832                                         ED_region_tag_redraw(ar);
 833                                         break;
 834                         }
 835                         break;
 836                 case NC_GEOM:
 837                         switch (wmn->data) {
 838                                 case ND_DATA:
 839                                 case ND_SELECT:
 840                                         ED_region_tag_redraw(ar);
 841                                         break;
 842                         }
 843
 844         }
 845 }
 846
 847 /**************************** spacetype *****************************/
 848
 849 /* only called once, from space/spacetypes.c */
 850 void ED_spacetype_image(void)
 851 {
 852         SpaceType *st = MEM_callocN(sizeof(SpaceType), "spacetype image");
 853         ARegionType *art;
 854
 855         st->spaceid = SPACE_IMAGE;
 856         strncpy(st->name, "Image", BKE_ST_MAXNAME);
 857
 858         st->new = image_new;
 859         st->free = image_free;
 860         st->init = image_init;
 861         st->duplicate = image_duplicate;
 862         st->operatortypes = image_operatortypes;
 863         st->keymap = image_keymap;
 864         st->dropboxes = image_dropboxes;
 865         st->refresh = image_refresh;
 866         st->listener = image_listener;
 867         st->context = image_context;
 868
 869         /* regions: main window */
 870         art = MEM_callocN(sizeof(ARegionType), "spacetype image region");
 871         art->regionid = RGN_TYPE_WINDOW;
 872         art->keymapflag = ED_KEYMAP_FRAMES | ED_KEYMAP_GPENCIL;
 873         art->init = image_main_area_init;
 874         art->draw = image_main_area_draw;
 875         art->listener = image_main_area_listener;
 876
 877         BLI_addhead(&st->regiontypes, art);
 878
 879         /* regions: listview/buttons */
 880         art = MEM_callocN(sizeof(ARegionType), "spacetype image region");
 881         art->regionid = RGN_TYPE_UI;
 882         art->prefsizex = 220; // XXX
 883         art->keymapflag = ED_KEYMAP_UI | ED_KEYMAP_FRAMES;
 884         art->listener = image_buttons_area_listener;
 885         art->init = image_buttons_area_init;
 886         art->draw = image_buttons_area_draw;
 887         BLI_addhead(&st->regiontypes, art);
 888
 889         image_buttons_register(art);
 890         ED_uvedit_buttons_register(art);
 891
 892         /* regions: statistics/scope buttons */
 893         art = MEM_callocN(sizeof(ARegionType), "spacetype image region");
 894         art->regionid = RGN_TYPE_PREVIEW;
 895         art->prefsizex = 220; // XXX
 896         art->keymapflag = ED_KEYMAP_UI | ED_KEYMAP_FRAMES;
 897         art->listener = image_scope_area_listener;
 898         art->init = image_scope_area_init;
 899         art->draw = image_scope_area_draw;
 900         BLI_addhead(&st->regiontypes, art);
 901
 902         /* regions: header */
 903         art = MEM_callocN(sizeof(ARegionType), "spacetype image region");
 904         art->regionid = RGN_TYPE_HEADER;
 905         art->prefsizey = HEADERY;
 906         art->keymapflag = ED_KEYMAP_UI | ED_KEYMAP_VIEW2D | ED_KEYMAP_FRAMES | ED_KEYMAP_HEADER;
 907         art->listener = image_header_area_listener;
 908         art->init = image_header_area_init;
 909         art->draw = image_header_area_draw;
 910
 911         BLI_addhead(&st->regiontypes, art);
 912
 913         BKE_spacetype_register(st);
 914 }
 915