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
  32 #include <string.h>
  33 #include <stdio.h>
  34
  35 #include "DNA_meshdata_types.h"
  36 #include "DNA_object_types.h"
  37 #include "DNA_scene_types.h"
  38
  39 #include "MEM_guardedalloc.h"
  40
  41 #include "BLI_blenlib.h"
  42 #include "BLI_math.h"
  43 #include "BLI_editVert.h"
  44 #include "BLI_rand.h"
  45 #include "BLI_utildefines.h"
  46
  47 #include "BKE_colortools.h"
  48 #include "BKE_context.h"
  49 #include "BKE_image.h"
  50 #include "BKE_global.h"
  51 #include "BKE_main.h"
  52 #include "BKE_mesh.h"
  53 #include "BKE_scene.h"
  54 #include "BKE_screen.h"
  55
  56 #include "IMB_imbuf_types.h"
  57
  58 #include "ED_image.h"
  59 #include "ED_mesh.h"
  60 #include "ED_space_api.h"
  61 #include "ED_screen.h"
  62 #include "ED_uvedit.h"
  63
  64 #include "BIF_gl.h"
  65
  66 #include "RNA_access.h"
  67
  68 #include "WM_api.h"
  69 #include "WM_types.h"
  70
  71 #include "UI_resources.h"
  72 #include "UI_view2d.h"
  73
  74 #include "image_intern.h"
  75
  76 /**************************** common state *****************************/
  77
  78 /* note; image_panel_properties() uses pointer to sima->image directly */
  79 Image *ED_space_image(SpaceImage *sima)
  80 {
  81         return sima->image;
  82 }
  83
  84 /* called to assign images to UV faces */
  85 void ED_space_image_set(SpaceImage *sima, Scene *scene, Object *obedit, Image *ima)
  86 {
  87         /* context may be NULL, so use global */
  88         ED_uvedit_assign_image(G.main, scene, obedit, ima, sima->image);
  89
  90         /* change the space ima after because uvedit_face_visible uses the space ima
  91          * to check if the face is displayed in UV-localview */
  92         sima->image= ima;
  93
  94         if(ima == NULL || ima->type==IMA_TYPE_R_RESULT || ima->type==IMA_TYPE_COMPOSITE)
  95                 sima->flag &= ~SI_DRAWTOOL;
  96
  97         if(sima->image)
  98                 BKE_image_signal(sima->image, &sima->iuser, IMA_SIGNAL_USER_NEW_IMAGE);
  99
 100         if(sima->image && sima->image->id.us==0)
 101                 sima->image->id.us= 1;
 102
 103         if(obedit)
 104                 WM_main_add_notifier(NC_GEOM|ND_DATA, obedit->data);
 105
 106         WM_main_add_notifier(NC_SPACE|ND_SPACE_IMAGE, NULL);
 107 }
 108
 109 ImBuf *ED_space_image_acquire_buffer(SpaceImage *sima, void **lock_r)
 110 {
 111         ImBuf *ibuf;
 112
 113         if(sima && sima->image) {
 114 #if 0
 115                 if(sima->image->type==IMA_TYPE_R_RESULT && BIF_show_render_spare())
 116                         return BIF_render_spare_imbuf();
 117                 else
 118 #endif
 119                         ibuf= BKE_image_acquire_ibuf(sima->image, &sima->iuser, lock_r);
 120
 121                 if(ibuf && (ibuf->rect || ibuf->rect_float))
 122                         return ibuf;
 123         }
 124
 125         return NULL;
 126 }
 127
 128 void ED_space_image_release_buffer(SpaceImage *sima, void *lock)
 129 {
 130         if(sima && sima->image)
 131                 BKE_image_release_ibuf(sima->image, lock);
 132 }
 133
 134 int ED_space_image_has_buffer(SpaceImage *sima)
 135 {
 136         ImBuf *ibuf;
 137         void *lock;
 138         int has_buffer;
 139
 140         ibuf= ED_space_image_acquire_buffer(sima, &lock);
 141         has_buffer= (ibuf != NULL);
 142         ED_space_image_release_buffer(sima, lock);
 143
 144         return has_buffer;
 145 }
 146
 147 void ED_image_size(Image *ima, int *width, int *height)
 148 {
 149         ImBuf *ibuf= NULL;
 150         void *lock;
 151
 152         if(ima)
 153                 ibuf= BKE_image_acquire_ibuf(ima, NULL, &lock);
 154
 155         if(ibuf && ibuf->x > 0 && ibuf->y > 0) {
 156                 *width= ibuf->x;
 157                 *height= ibuf->y;
 158         }
 159         else {
 160                 *width= 256;
 161                 *height= 256;
 162         }
 163
 164         if(ima)
 165                 BKE_image_release_ibuf(ima, lock);
 166 }
 167
 168 void ED_space_image_size(SpaceImage *sima, int *width, int *height)
 169 {
 170         Scene *scene= sima->iuser.scene;
 171         ImBuf *ibuf;
 172         void *lock;
 173
 174         ibuf= ED_space_image_acquire_buffer(sima, &lock);
 175
 176         if(ibuf && ibuf->x > 0 && ibuf->y > 0) {
 177                 *width= ibuf->x;
 178                 *height= ibuf->y;
 179         }
 180         else if(sima->image && sima->image->type==IMA_TYPE_R_RESULT && scene) {
 181                 /* not very important, just nice */
 182                 *width= (scene->r.xsch*scene->r.size)/100;
 183                 *height= (scene->r.ysch*scene->r.size)/100;
 184
 185                 if((scene->r.mode & R_BORDER) && (scene->r.mode & R_CROP)) {
 186                         *width *= (scene->r.border.xmax - scene->r.border.xmin);
 187                         *height *= (scene->r.border.ymax - scene->r.border.ymin);
 188                 }
 189
 190         }
 191         /* I know a bit weak... but preview uses not actual image size */
 192         // XXX else if(image_preview_active(sima, width, height));
 193         else {
 194                 *width= 256;
 195                 *height= 256;
 196         }
 197
 198         ED_space_image_release_buffer(sima, lock);
 199 }
 200
 201 void ED_image_aspect(Image *ima, float *aspx, float *aspy)
 202 {
 203         *aspx= *aspy= 1.0;
 204
 205         if((ima == NULL) || (ima->type == IMA_TYPE_R_RESULT) || (ima->type == IMA_TYPE_COMPOSITE) ||
 206            (ima->aspx==0.0f || ima->aspy==0.0f))
 207                 return;
 208
 209         /* x is always 1 */
 210         *aspy = ima->aspy/ima->aspx;
 211 }
 212
 213 void ED_space_image_aspect(SpaceImage *sima, float *aspx, float *aspy)
 214 {
 215         ED_image_aspect(ED_space_image(sima), aspx, aspy);
 216 }
 217
 218 void ED_space_image_zoom(SpaceImage *sima, ARegion *ar, float *zoomx, float *zoomy)
 219 {
 220         int width, height;
 221
 222         ED_space_image_size(sima, &width, &height);
 223
 224         *zoomx= (float)(ar->winrct.xmax - ar->winrct.xmin + 1)/(float)((ar->v2d.cur.xmax - ar->v2d.cur.xmin)*width);
 225         *zoomy= (float)(ar->winrct.ymax - ar->winrct.ymin + 1)/(float)((ar->v2d.cur.ymax - ar->v2d.cur.ymin)*height);
 226 }
 227
 228 void ED_space_image_uv_aspect(SpaceImage *sima, float *aspx, float *aspy)
 229 {
 230         int w, h;
 231
 232         ED_space_image_aspect(sima, aspx, aspy);
 233         ED_space_image_size(sima, &w, &h);
 234
 235         *aspx *= (float)w;
 236         *aspy *= (float)h;
 237
 238         if(*aspx < *aspy) {
 239                 *aspy= *aspy / *aspx;
 240                 *aspx= 1.0f;
 241         }
 242         else {
 243                 *aspx= *aspx / *aspy;
 244                 *aspy= 1.0f;
 245         }
 246 }
 247
 248 void ED_image_uv_aspect(Image *ima, float *aspx, float *aspy)
 249 {
 250         int w, h;
 251
 252         ED_image_aspect(ima, aspx, aspy);
 253         ED_image_size(ima, &w, &h);
 254
 255         *aspx *= (float)w;
 256         *aspy *= (float)h;
 257 }
 258
 259 int ED_space_image_show_render(SpaceImage *sima)
 260 {
 261         return (sima->image && ELEM(sima->image->type, IMA_TYPE_R_RESULT, IMA_TYPE_COMPOSITE));
 262 }
 263
 264 int ED_space_image_show_paint(SpaceImage *sima)
 265 {
 266         if(ED_space_image_show_render(sima))
 267                 return 0;
 268
 269         return (sima->flag & SI_DRAWTOOL);
 270 }
 271
 272 int ED_space_image_show_uvedit(SpaceImage *sima, Object *obedit)
 273 {
 274         if(sima && (ED_space_image_show_render(sima) || ED_space_image_show_paint(sima)))
 275                 return 0;
 276
 277         if(obedit && obedit->type == OB_MESH) {
 278                 EditMesh *em = BKE_mesh_get_editmesh(obedit->data);
 279                 int ret;
 280
 281                 ret = EM_texFaceCheck(em);
 282
 283                 BKE_mesh_end_editmesh(obedit->data, em);
 284                 return ret;
 285         }
 286
 287         return 0;
 288 }
 289
 290 int ED_space_image_show_uvshadow(SpaceImage *sima, Object *obedit)
 291 {
 292         if(ED_space_image_show_render(sima))
 293                 return 0;
 294
 295         if(ED_space_image_show_paint(sima))
 296                 if(obedit && obedit->type == OB_MESH) {
 297                         EditMesh *em = BKE_mesh_get_editmesh(obedit->data);
 298                         int ret;
 299
 300                         ret = EM_texFaceCheck(em);
 301
 302                         BKE_mesh_end_editmesh(obedit->data, em);
 303                         return ret;
 304                 }
 305
 306         return 0;
 307 }
 308
 309
 310 static void image_scopes_tag_refresh(ScrArea *sa)
 311 {
 312         SpaceImage *sima= (SpaceImage *)sa->spacedata.first;
 313         ARegion *ar;
 314
 315         /* only while histogram is visible */
 316         for (ar=sa->regionbase.first; ar; ar=ar->next) {
 317                 if (ar->regiontype == RGN_TYPE_PREVIEW && ar->flag & RGN_FLAG_HIDDEN)
 318                         return;
 319         }
 320
 321         sima->scopes.ok=0;
 322 }
 323
 324
 325 /* ******************** manage regions ********************* */
 326
 327 ARegion *image_has_buttons_region(ScrArea *sa)
 328 {
 329         ARegion *ar, *arnew;
 330
 331         ar= BKE_area_find_region_type(sa, RGN_TYPE_UI);
 332         if(ar) return ar;
 333
 334         /* add subdiv level; after header */
 335         ar= BKE_area_find_region_type(sa, RGN_TYPE_HEADER);
 336
 337         /* is error! */
 338         if(ar==NULL) return NULL;
 339
 340         arnew= MEM_callocN(sizeof(ARegion), "buttons for image");
 341
 342         BLI_insertlinkafter(&sa->regionbase, ar, arnew);
 343         arnew->regiontype= RGN_TYPE_UI;
 344         arnew->alignment= RGN_ALIGN_LEFT;
 345
 346         arnew->flag = RGN_FLAG_HIDDEN;
 347
 348         return arnew;
 349 }
 350
 351 ARegion *image_has_scope_region(ScrArea *sa)
 352 {
 353         ARegion *ar, *arnew;
 354
 355         ar= BKE_area_find_region_type(sa, RGN_TYPE_PREVIEW);
 356         if(ar) return ar;
 357
 358         /* add subdiv level; after buttons */
 359         ar= BKE_area_find_region_type(sa, RGN_TYPE_UI);
 360
 361         /* is error! */
 362         if(ar==NULL) return NULL;
 363
 364         arnew= MEM_callocN(sizeof(ARegion), "scopes for image");
 365
 366         BLI_insertlinkafter(&sa->regionbase, ar, arnew);
 367         arnew->regiontype= RGN_TYPE_PREVIEW;
 368         arnew->alignment= RGN_ALIGN_RIGHT;
 369
 370         arnew->flag = RGN_FLAG_HIDDEN;
 371
 372         image_scopes_tag_refresh(sa);
 373
 374         return arnew;
 375 }
 376
 377 /* ******************** default callbacks for image space ***************** */
 378
 379 static SpaceLink *image_new(const bContext *UNUSED(C))
 380 {
 381         ARegion *ar;
 382         SpaceImage *simage;
 383
 384         simage= MEM_callocN(sizeof(SpaceImage), "initimage");
 385         simage->spacetype= SPACE_IMAGE;
 386         simage->zoom= 1;
 387         simage->lock= 1;
 388
 389         simage->iuser.ok= 1;
 390         simage->iuser.fie_ima= 2;
 391         simage->iuser.frames= 100;
 392
 393         scopes_new(&simage->scopes);
 394         simage->sample_line_hist.height= 100;
 395
 396         /* header */
 397         ar= MEM_callocN(sizeof(ARegion), "header for image");
 398
 399         BLI_addtail(&simage->regionbase, ar);
 400         ar->regiontype= RGN_TYPE_HEADER;
 401         ar->alignment= RGN_ALIGN_BOTTOM;
 402
 403         /* buttons/list view */
 404         ar= MEM_callocN(sizeof(ARegion), "buttons for image");
 405
 406         BLI_addtail(&simage->regionbase, ar);
 407         ar->regiontype= RGN_TYPE_UI;
 408         ar->alignment= RGN_ALIGN_LEFT;
 409         ar->flag = RGN_FLAG_HIDDEN;
 410
 411         /* scopes */
 412         ar= MEM_callocN(sizeof(ARegion), "buttons for image");
 413
 414         BLI_addtail(&simage->regionbase, ar);
 415         ar->regiontype= RGN_TYPE_PREVIEW;
 416         ar->alignment= RGN_ALIGN_RIGHT;
 417         ar->flag = RGN_FLAG_HIDDEN;
 418
 419         /* main area */
 420         ar= MEM_callocN(sizeof(ARegion), "main area for image");
 421
 422         BLI_addtail(&simage->regionbase, ar);
 423         ar->regiontype= RGN_TYPE_WINDOW;
 424
 425         return (SpaceLink *)simage;
 426 }
 427
 428 /* not spacelink itself */
 429 static void image_free(SpaceLink *sl)
 430 {
 431         SpaceImage *simage= (SpaceImage*) sl;
 432
 433         if(simage->cumap)
 434                 curvemapping_free(simage->cumap);
 435         scopes_free(&simage->scopes);
 436 }
 437
 438
 439 /* spacetype; init callback, add handlers */
 440 static void image_init(struct wmWindowManager *UNUSED(wm), ScrArea *sa)
 441 {
 442         ListBase *lb= WM_dropboxmap_find("Image", SPACE_IMAGE, 0);
 443
 444         /* add drop boxes */
 445         WM_event_add_dropbox_handler(&sa->handlers, lb);
 446
 447 }
 448
 449 static SpaceLink *image_duplicate(SpaceLink *sl)
 450 {
 451         SpaceImage *simagen= MEM_dupallocN(sl);
 452
 453         /* clear or remove stuff from old */
 454         if(simagen->cumap)
 455                 simagen->cumap= curvemapping_copy(simagen->cumap);
 456
 457         scopes_new(&simagen->scopes);
 458
 459         return (SpaceLink *)simagen;
 460 }
 461
 462 static void image_operatortypes(void)
 463 {
 464         WM_operatortype_append(IMAGE_OT_view_all);
 465         WM_operatortype_append(IMAGE_OT_view_pan);
 466         WM_operatortype_append(IMAGE_OT_view_selected);
 467         WM_operatortype_append(IMAGE_OT_view_zoom);
 468         WM_operatortype_append(IMAGE_OT_view_zoom_in);
 469         WM_operatortype_append(IMAGE_OT_view_zoom_out);
 470         WM_operatortype_append(IMAGE_OT_view_zoom_ratio);
 471         WM_operatortype_append(IMAGE_OT_view_ndof);
 472
 473         WM_operatortype_append(IMAGE_OT_new);
 474         WM_operatortype_append(IMAGE_OT_open);
 475         WM_operatortype_append(IMAGE_OT_replace);
 476         WM_operatortype_append(IMAGE_OT_reload);
 477         WM_operatortype_append(IMAGE_OT_save);
 478         WM_operatortype_append(IMAGE_OT_save_as);
 479         WM_operatortype_append(IMAGE_OT_save_sequence);
 480         WM_operatortype_append(IMAGE_OT_pack);
 481         WM_operatortype_append(IMAGE_OT_unpack);
 482
 483         WM_operatortype_append(IMAGE_OT_invert);
 484
 485         WM_operatortype_append(IMAGE_OT_cycle_render_slot);
 486
 487         WM_operatortype_append(IMAGE_OT_sample);
 488         WM_operatortype_append(IMAGE_OT_sample_line);
 489         WM_operatortype_append(IMAGE_OT_curves_point_set);
 490
 491         WM_operatortype_append(IMAGE_OT_record_composite);
 492
 493         WM_operatortype_append(IMAGE_OT_properties);
 494         WM_operatortype_append(IMAGE_OT_scopes);
 495 }
 496
 497 static void image_keymap(struct wmKeyConfig *keyconf)
 498 {
 499         wmKeyMap *keymap= WM_keymap_find(keyconf, "Image Generic", SPACE_IMAGE, 0);
 500         wmKeyMapItem *kmi;
 501
 502         WM_keymap_add_item(keymap, "IMAGE_OT_new", NKEY, KM_PRESS, KM_ALT, 0);
 503         WM_keymap_add_item(keymap, "IMAGE_OT_open", OKEY, KM_PRESS, KM_ALT, 0);
 504         WM_keymap_add_item(keymap, "IMAGE_OT_reload", RKEY, KM_PRESS, KM_ALT, 0);
 505         WM_keymap_add_item(keymap, "IMAGE_OT_save", SKEY, KM_PRESS, KM_ALT, 0);
 506         WM_keymap_add_item(keymap, "IMAGE_OT_save_as", F3KEY, KM_PRESS, 0, 0);
 507         WM_keymap_add_item(keymap, "IMAGE_OT_properties", NKEY, KM_PRESS, 0, 0);
 508         WM_keymap_add_item(keymap, "IMAGE_OT_scopes", TKEY, KM_PRESS, 0, 0);
 509
 510         WM_keymap_add_item(keymap, "IMAGE_OT_cycle_render_slot", JKEY, KM_PRESS, 0, 0);
 511         RNA_boolean_set(WM_keymap_add_item(keymap, "IMAGE_OT_cycle_render_slot", JKEY, KM_PRESS, KM_ALT, 0)->ptr, "reverse", TRUE);
 512
 513         keymap= WM_keymap_find(keyconf, "Image", SPACE_IMAGE, 0);
 514
 515         WM_keymap_add_item(keymap, "IMAGE_OT_view_all", HOMEKEY, KM_PRESS, 0, 0);
 516         WM_keymap_add_item(keymap, "IMAGE_OT_view_selected", PADPERIOD, KM_PRESS, 0, 0);
 517         WM_keymap_add_item(keymap, "IMAGE_OT_view_pan", MIDDLEMOUSE, KM_PRESS, 0, 0);
 518         WM_keymap_add_item(keymap, "IMAGE_OT_view_pan", MIDDLEMOUSE, KM_PRESS, KM_SHIFT, 0);
 519         WM_keymap_add_item(keymap, "IMAGE_OT_view_pan", MOUSEPAN, 0, 0, 0);
 520
 521         WM_keymap_add_item(keymap, "IMAGE_OT_view_all", NDOF_BUTTON_FIT, KM_PRESS, 0, 0); // or view selected?
 522         WM_keymap_add_item(keymap, "IMAGE_OT_view_ndof", NDOF_MOTION, 0, 0, 0);
 523
 524         WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_in", WHEELINMOUSE, KM_PRESS, 0, 0);
 525         WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_out", WHEELOUTMOUSE, KM_PRESS, 0, 0);
 526         WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_in", PADPLUSKEY, KM_PRESS, 0, 0);
 527         WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_out", PADMINUS, KM_PRESS, 0, 0);
 528         WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom", MIDDLEMOUSE, KM_PRESS, KM_CTRL, 0);
 529         WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom", MOUSEZOOM, 0, 0, 0);
 530
 531         RNA_float_set(WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_ratio", PAD8, KM_PRESS, KM_SHIFT, 0)->ptr, "ratio", 8.0f);
 532         RNA_float_set(WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_ratio", PAD4, KM_PRESS, KM_SHIFT, 0)->ptr, "ratio", 4.0f);
 533         RNA_float_set(WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_ratio", PAD2, KM_PRESS, KM_SHIFT, 0)->ptr, "ratio", 2.0f);
 534         RNA_float_set(WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_ratio", PAD1, KM_PRESS, 0, 0)->ptr, "ratio", 1.0f);
 535         RNA_float_set(WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_ratio", PAD2, KM_PRESS, 0, 0)->ptr, "ratio", 0.5f);
 536         RNA_float_set(WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_ratio", PAD4, KM_PRESS, 0, 0)->ptr, "ratio", 0.25f);
 537         RNA_float_set(WM_keymap_add_item(keymap, "IMAGE_OT_view_zoom_ratio", PAD8, KM_PRESS, 0, 0)->ptr, "ratio", 0.125f);
 538
 539         WM_keymap_add_item(keymap, "IMAGE_OT_sample", ACTIONMOUSE, KM_PRESS, 0, 0);
 540         RNA_enum_set(WM_keymap_add_item(keymap, "IMAGE_OT_curves_point_set", ACTIONMOUSE, KM_PRESS, KM_CTRL, 0)->ptr, "point", 0);
 541         RNA_enum_set(WM_keymap_add_item(keymap, "IMAGE_OT_curves_point_set", ACTIONMOUSE, KM_PRESS, KM_SHIFT, 0)->ptr, "point", 1);
 542
 543         /* toggle editmode is handy to have while UV unwrapping */
 544         kmi= WM_keymap_add_item(keymap, "OBJECT_OT_mode_set", TABKEY, KM_PRESS, 0, 0);
 545         RNA_enum_set(kmi->ptr, "mode", OB_MODE_EDIT);
 546         RNA_boolean_set(kmi->ptr, "toggle", 1);
 547 }
 548
 549 /* dropboxes */
 550 static int image_drop_poll(bContext *UNUSED(C), wmDrag *drag, wmEvent *UNUSED(event))
 551 {
 552         if(drag->type==WM_DRAG_PATH)
 553                 if(ELEM3(drag->icon, 0, ICON_FILE_IMAGE, ICON_FILE_BLANK))      /* rule might not work? */
 554                         return 1;
 555         return 0;
 556 }
 557
 558 static void image_drop_copy(wmDrag *drag, wmDropBox *drop)
 559 {
 560         /* copy drag path to properties */
 561         RNA_string_set(drop->ptr, "filepath", drag->path);
 562 }
 563
 564 /* area+region dropbox definition */
 565 static void image_dropboxes(void)
 566 {
 567         ListBase *lb= WM_dropboxmap_find("Image", SPACE_IMAGE, 0);
 568
 569         WM_dropbox_add(lb, "IMAGE_OT_open", image_drop_poll, image_drop_copy);
 570 }
 571
 572
 573
 574 static void image_refresh(const bContext *C, ScrArea *UNUSED(sa))
 575 {
 576         Scene *scene = CTX_data_scene(C);
 577         SpaceImage *sima= CTX_wm_space_image(C);
 578         Object *obedit= CTX_data_edit_object(C);
 579         Image *ima;
 580
 581         ima= ED_space_image(sima);
 582
 583         if(sima->iuser.flag & IMA_ANIM_ALWAYS)
 584                 BKE_image_user_calc_frame(&sima->iuser, CTX_data_scene(C)->r.cfra, 0);
 585
 586         /* check if we have to set the image from the editmesh */
 587         if(ima && (ima->source==IMA_SRC_VIEWER || sima->pin));
 588         else if(obedit && obedit->type == OB_MESH) {
 589                 Mesh *me= (Mesh*)obedit->data;
 590                 EditMesh *em= BKE_mesh_get_editmesh(me);
 591                 int sloppy= 1; /* partially selected face is ok */
 592
 593                 if(scene_use_new_shading_nodes(scene)) {
 594                         /* new shading system, get image from material */
 595                         EditFace *efa= EM_get_actFace(em, sloppy);
 596
 597                         if(efa) {
 598                                 Image *node_ima;
 599                                 ED_object_get_active_image(obedit, efa->mat_nr, &node_ima, NULL, NULL);
 600
 601                                 if(node_ima)
 602                                         sima->image= node_ima;
 603                         }
 604                 }
 605                 else {
 606                         /* old shading system, we set texface */
 607                         MTFace *tf;
 608
 609                         if(em && EM_texFaceCheck(em)) {
 610                                 sima->image= NULL;
 611
 612                                 tf = EM_get_active_mtface(em, NULL, NULL, sloppy);
 613
 614                                 if(tf) {
 615                                         /* don't need to check for pin here, see above */
 616                                         sima->image= tf->tpage;
 617
 618                                         if(sima->flag & SI_EDITTILE);
 619                                         else sima->curtile= tf->tile;
 620                                 }
 621                         }
 622                 }
 623
 624                 BKE_mesh_end_editmesh(obedit->data, em);
 625         }
 626 }
 627
 628 static void image_listener(ScrArea *sa, wmNotifier *wmn)
 629 {
 630         SpaceImage *sima= (SpaceImage *)sa->spacedata.first;
 631
 632         /* context changes */
 633         switch(wmn->category) {
 634                 case NC_SCENE:
 635                         switch(wmn->data) {
 636                                 case ND_FRAME:
 637                                         image_scopes_tag_refresh(sa);
 638                                         ED_area_tag_refresh(sa);
 639                                         ED_area_tag_redraw(sa);
 640                                         break;
 641                                 case ND_MODE:
 642                                 case ND_RENDER_RESULT:
 643                                 case ND_COMPO_RESULT:
 644                                         if (ED_space_image_show_render(sima))
 645                                                 image_scopes_tag_refresh(sa);
 646                                         ED_area_tag_refresh(sa);
 647                                         ED_area_tag_redraw(sa);
 648                                         break;
 649                         }
 650                         break;
 651                 case NC_IMAGE:
 652                         if (wmn->reference == sima->image || !wmn->reference) {
 653                                 image_scopes_tag_refresh(sa);
 654                                 ED_area_tag_refresh(sa);
 655                                 ED_area_tag_redraw(sa);
 656                         }
 657                         break;
 658                 case NC_SPACE:
 659                         if(wmn->data == ND_SPACE_IMAGE) {
 660                                 image_scopes_tag_refresh(sa);
 661                                 ED_area_tag_redraw(sa);
 662                         }
 663                         break;
 664                 case NC_GEOM:
 665                         switch(wmn->data) {
 666                                 case ND_DATA:
 667                                 case ND_SELECT:
 668                                         image_scopes_tag_refresh(sa);
 669                                         ED_area_tag_refresh(sa);
 670                                         ED_area_tag_redraw(sa);
 671                                         break;
 672                         }
 673                 case NC_OBJECT:
 674                 {
 675                         Object *ob= (Object *)wmn->reference;
 676                         switch(wmn->data) {
 677                                 case ND_TRANSFORM:
 678                                 case ND_MODIFIER:
 679                                         if(ob && (ob->mode & OB_MODE_EDIT) && sima->lock && (sima->flag & SI_DRAWSHADOW)) {
 680                                                 ED_area_tag_refresh(sa);
 681                                                 ED_area_tag_redraw(sa);
 682                                         }
 683                                         break;
 684                         }
 685                 }
 686         }
 687 }
 688
 689 const char *image_context_dir[] = {"edit_image", NULL};
 690
 691 static int image_context(const bContext *C, const char *member, bContextDataResult *result)
 692 {
 693         SpaceImage *sima= CTX_wm_space_image(C);
 694
 695         if(CTX_data_dir(member)) {
 696                 CTX_data_dir_set(result, image_context_dir);
 697         }
 698         else if(CTX_data_equals(member, "edit_image")) {
 699                 CTX_data_id_pointer_set(result, (ID*)ED_space_image(sima));
 700                 return 1;
 701         }
 702
 703         return 0;
 704 }
 705
 706 /************************** main region ***************************/
 707
 708 /* sets up the fields of the View2D from zoom and offset */
 709 static void image_main_area_set_view2d(SpaceImage *sima, ARegion *ar)
 710 {
 711         Image *ima= ED_space_image(sima);
 712         float x1, y1, w, h;
 713         int width, height, winx, winy;
 714
 715 #if 0
 716         if(image_preview_active(curarea, &width, &height));
 717         else
 718 #endif
 719         ED_space_image_size(sima, &width, &height);
 720
 721         w= width;
 722         h= height;
 723
 724         if(ima)
 725                 h *= ima->aspy/ima->aspx;
 726
 727         winx= ar->winrct.xmax - ar->winrct.xmin + 1;
 728         winy= ar->winrct.ymax - ar->winrct.ymin + 1;
 729
 730         ar->v2d.tot.xmin= 0;
 731         ar->v2d.tot.ymin= 0;
 732         ar->v2d.tot.xmax= w;
 733         ar->v2d.tot.ymax= h;
 734
 735         ar->v2d.mask.xmin= ar->v2d.mask.ymin= 0;
 736         ar->v2d.mask.xmax= winx;
 737         ar->v2d.mask.ymax= winy;
 738
 739         /* which part of the image space do we see? */
 740         x1= ar->winrct.xmin+(winx-sima->zoom*w)/2.0f;
 741         y1= ar->winrct.ymin+(winy-sima->zoom*h)/2.0f;
 742
 743         x1-= sima->zoom*sima->xof;
 744         y1-= sima->zoom*sima->yof;
 745
 746         /* relative display right */
 747         ar->v2d.cur.xmin= ((ar->winrct.xmin - (float)x1)/sima->zoom);
 748         ar->v2d.cur.xmax= ar->v2d.cur.xmin + ((float)winx/sima->zoom);
 749
 750         /* relative display left */
 751         ar->v2d.cur.ymin= ((ar->winrct.ymin-(float)y1)/sima->zoom);
 752         ar->v2d.cur.ymax= ar->v2d.cur.ymin + ((float)winy/sima->zoom);
 753
 754         /* normalize 0.0..1.0 */
 755         ar->v2d.cur.xmin /= w;
 756         ar->v2d.cur.xmax /= w;
 757         ar->v2d.cur.ymin /= h;
 758         ar->v2d.cur.ymax /= h;
 759 }
 760
 761 /* add handlers, stuff you only do once or on area/region changes */
 762 static void image_main_area_init(wmWindowManager *wm, ARegion *ar)
 763 {
 764         wmKeyMap *keymap;
 765
 766         // image space manages own v2d
 767         // UI_view2d_region_reinit(&ar->v2d, V2D_COMMONVIEW_STANDARD, ar->winx, ar->winy);
 768
 769         /* image paint polls for mode */
 770         keymap= WM_keymap_find(wm->defaultconf, "Image Paint", 0, 0);
 771         WM_event_add_keymap_handler_bb(&ar->handlers, keymap, &ar->v2d.mask, &ar->winrct);
 772
 773         keymap= WM_keymap_find(wm->defaultconf, "UV Editor", 0, 0);
 774         WM_event_add_keymap_handler(&ar->handlers, keymap);
 775
 776         /* own keymaps */
 777         keymap= WM_keymap_find(wm->defaultconf, "Image Generic", SPACE_IMAGE, 0);
 778         WM_event_add_keymap_handler(&ar->handlers, keymap);
 779         keymap= WM_keymap_find(wm->defaultconf, "Image", SPACE_IMAGE, 0);
 780         WM_event_add_keymap_handler_bb(&ar->handlers, keymap, &ar->v2d.mask, &ar->winrct);
 781
 782 }
 783
 784 static void image_main_area_draw(const bContext *C, ARegion *ar)
 785 {
 786         /* draw entirely, view changes should be handled here */
 787         SpaceImage *sima= CTX_wm_space_image(C);
 788         Object *obedit= CTX_data_edit_object(C);
 789         Scene *scene= CTX_data_scene(C);
 790         View2D *v2d= &ar->v2d;
 791         //View2DScrollers *scrollers;
 792         float col[3];
 793
 794         /* XXX not supported yet, disabling for now */
 795         scene->r.scemode &= ~R_COMP_CROP;
 796
 797         /* clear and setup matrix */
 798         UI_GetThemeColor3fv(TH_BACK, col);
 799         glClearColor(col[0], col[1], col[2], 0.0);
 800         glClear(GL_COLOR_BUFFER_BIT);
 801
 802         /* put scene context variable in iuser */
 803         sima->iuser.scene= scene;
 804
 805         /* we set view2d from own zoom and offset each time */
 806         image_main_area_set_view2d(sima, ar);
 807
 808         /* we draw image in pixelspace */
 809         draw_image_main(sima, ar, scene);
 810
 811         /* and uvs in 0.0-1.0 space */
 812         UI_view2d_view_ortho(v2d);
 813         draw_uvedit_main(sima, ar, scene, obedit);
 814
 815         ED_region_draw_cb_draw(C, ar, REGION_DRAW_POST_VIEW);
 816
 817         /* Grease Pencil too (in addition to UV's) */
 818         draw_image_grease_pencil((bContext *)C, 1);
 819
 820         UI_view2d_view_restore(C);
 821
 822         /* draw Grease Pencil - screen space only */
 823         draw_image_grease_pencil((bContext *)C, 0);
 824
 825         /* scrollers? */
 826         /*scrollers= UI_view2d_scrollers_calc(C, v2d, V2D_UNIT_VALUES, V2D_GRID_CLAMP, V2D_ARG_DUMMY, V2D_ARG_DUMMY);
 827         UI_view2d_scrollers_draw(C, v2d, scrollers);
 828         UI_view2d_scrollers_free(scrollers);*/
 829 }
 830
 831 static void image_main_area_listener(ARegion *ar, wmNotifier *wmn)
 832 {
 833         /* context changes */
 834         switch(wmn->category) {
 835                 case NC_SCREEN:
 836                         if (wmn->data==ND_GPENCIL)
 837                                 ED_region_tag_redraw(ar);
 838                 break;
 839         }
 840 }
 841
 842 /* *********************** buttons region ************************ */
 843
 844 /* add handlers, stuff you only do once or on area/region changes */
 845 static void image_buttons_area_init(wmWindowManager *wm, ARegion *ar)
 846 {
 847         wmKeyMap *keymap;
 848
 849         ED_region_panels_init(wm, ar);
 850
 851         keymap= WM_keymap_find(wm->defaultconf, "Image Generic", SPACE_IMAGE, 0);
 852         WM_event_add_keymap_handler(&ar->handlers, keymap);
 853 }
 854
 855 static void image_buttons_area_draw(const bContext *C, ARegion *ar)
 856 {
 857         ED_region_panels(C, ar, 1, NULL, -1);
 858 }
 859
 860 static void image_buttons_area_listener(ARegion *ar, wmNotifier *wmn)
 861 {
 862         /* context changes */
 863         switch(wmn->category) {
 864                 case NC_SCREEN:
 865                         if (wmn->data==ND_GPENCIL)
 866                                 ED_region_tag_redraw(ar);
 867                         break;
 868                 case NC_BRUSH:
 869                         if(wmn->action==NA_EDITED)
 870                                 ED_region_tag_redraw(ar);
 871                         break;
 872         }
 873 }
 874
 875 /* *********************** scopes region ************************ */
 876
 877 /* add handlers, stuff you only do once or on area/region changes */
 878 static void image_scope_area_init(wmWindowManager *wm, ARegion *ar)
 879 {
 880         wmKeyMap *keymap;
 881
 882         ED_region_panels_init(wm, ar);
 883
 884         keymap= WM_keymap_find(wm->defaultconf, "Image Generic", SPACE_IMAGE, 0);
 885         WM_event_add_keymap_handler(&ar->handlers, keymap);
 886 }
 887
 888 static void image_scope_area_draw(const bContext *C, ARegion *ar)
 889 {
 890         SpaceImage *sima= CTX_wm_space_image(C);
 891         Scene *scene= CTX_data_scene(C);
 892         void *lock;
 893         ImBuf *ibuf= ED_space_image_acquire_buffer(sima, &lock);
 894         if(ibuf) {
 895                 scopes_update(&sima->scopes, ibuf, scene->r.color_mgt_flag & R_COLOR_MANAGEMENT );
 896         }
 897         ED_space_image_release_buffer(sima, lock);
 898
 899         ED_region_panels(C, ar, 1, NULL, -1);
 900 }
 901
 902 static void image_scope_area_listener(ARegion *ar, wmNotifier *wmn)
 903 {
 904         /* context changes */
 905         switch(wmn->category) {
 906                 case NC_SCENE:
 907                         switch(wmn->data) {
 908                                 case ND_MODE:
 909                                 case ND_RENDER_RESULT:
 910                                 case ND_COMPO_RESULT:
 911                                         ED_region_tag_redraw(ar);
 912                                         break;
 913                         }
 914                         break;
 915                 case NC_IMAGE:
 916                         ED_region_tag_redraw(ar);
 917                         break;
 918                 case NC_NODE:
 919                         ED_region_tag_redraw(ar);
 920                         break;
 921
 922         }
 923 }
 924
 925 /************************* header region **************************/
 926
 927 /* add handlers, stuff you only do once or on area/region changes */
 928 static void image_header_area_init(wmWindowManager *UNUSED(wm), ARegion *ar)
 929 {
 930         ED_region_header_init(ar);
 931 }
 932
 933 static void image_header_area_draw(const bContext *C, ARegion *ar)
 934 {
 935         ED_region_header(C, ar);
 936 }
 937
 938 static void image_header_area_listener(ARegion *ar, wmNotifier *wmn)
 939 {
 940         /* context changes */
 941         switch(wmn->category) {
 942                 case NC_SCENE:
 943                         switch(wmn->data) {
 944                                 case ND_MODE:
 945                                 case ND_TOOLSETTINGS:
 946                                         ED_region_tag_redraw(ar);
 947                                         break;
 948                         }
 949                         break;
 950                 case NC_GEOM:
 951                         switch(wmn->data) {
 952                                 case ND_DATA:
 953                                 case ND_SELECT:
 954                                         ED_region_tag_redraw(ar);
 955                                         break;
 956                         }
 957
 958         }
 959 }
 960
 961 /**************************** spacetype *****************************/
 962
 963 /* only called once, from space/spacetypes.c */
 964 void ED_spacetype_image(void)
 965 {
 966         SpaceType *st= MEM_callocN(sizeof(SpaceType), "spacetype image");
 967         ARegionType *art;
 968
 969         st->spaceid= SPACE_IMAGE;
 970         strncpy(st->name, "Image", BKE_ST_MAXNAME);
 971
 972         st->new= image_new;
 973         st->free= image_free;
 974         st->init= image_init;
 975         st->duplicate= image_duplicate;
 976         st->operatortypes= image_operatortypes;
 977         st->keymap= image_keymap;
 978         st->dropboxes= image_dropboxes;
 979         st->refresh= image_refresh;
 980         st->listener= image_listener;
 981         st->context= image_context;
 982
 983         /* regions: main window */
 984         art= MEM_callocN(sizeof(ARegionType), "spacetype image region");
 985         art->regionid = RGN_TYPE_WINDOW;
 986         art->keymapflag= ED_KEYMAP_FRAMES|ED_KEYMAP_GPENCIL;
 987         art->init= image_main_area_init;
 988         art->draw= image_main_area_draw;
 989         art->listener= image_main_area_listener;
 990
 991         BLI_addhead(&st->regiontypes, art);
 992
 993         /* regions: listview/buttons */
 994         art= MEM_callocN(sizeof(ARegionType), "spacetype image region");
 995         art->regionid = RGN_TYPE_UI;
 996         art->prefsizex= 220; // XXX
 997         art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_FRAMES;
 998         art->listener= image_buttons_area_listener;
 999         art->init= image_buttons_area_init;
1000         art->draw= image_buttons_area_draw;
1001         BLI_addhead(&st->regiontypes, art);
1002
1003         image_buttons_register(art);
1004         ED_uvedit_buttons_register(art);
1005
1006         /* regions: statistics/scope buttons */
1007         art= MEM_callocN(sizeof(ARegionType), "spacetype image region");
1008         art->regionid = RGN_TYPE_PREVIEW;
1009         art->prefsizex= 220; // XXX
1010         art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_FRAMES;
1011         art->listener= image_scope_area_listener;
1012         art->init= image_scope_area_init;
1013         art->draw= image_scope_area_draw;
1014         BLI_addhead(&st->regiontypes, art);
1015
1016         /* regions: header */
1017         art= MEM_callocN(sizeof(ARegionType), "spacetype image region");
1018         art->regionid = RGN_TYPE_HEADER;
1019         art->prefsizey= HEADERY;
1020         art->keymapflag= ED_KEYMAP_UI|ED_KEYMAP_VIEW2D|ED_KEYMAP_FRAMES|ED_KEYMAP_HEADER;
1021         art->listener= image_header_area_listener;
1022         art->init= image_header_area_init;
1023         art->draw= image_header_area_draw;
1024
1025         BLI_addhead(&st->regiontypes, art);
1026
1027         BKE_spacetype_register(st);
1028 }
1029