source/blender/editors/interface/interface_icons.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  * Contributors: Blender Foundation, full recode
  24  *
  25  * ***** END GPL LICENSE BLOCK *****
  26  */
  27
  28 /** \file blender/editors/interface/interface_icons.c
  29  *  \ingroup edinterface
  30  */
  31
  32
  33 #include <math.h>
  34 #include <stdlib.h>
  35 #include <string.h>
  36
  37 #ifndef WIN32
  38 #include <unistd.h>
  39 #else
  40 #include <io.h>
  41 #include <direct.h>
  42 #include "BLI_winstuff.h"
  43 #endif
  44 #include "MEM_guardedalloc.h"
  45
  46 #include "GPU_extensions.h"
  47
  48 #include "BLI_math.h"
  49 #include "BLI_blenlib.h"
  50 #include "BLI_storage_types.h"
  51 #include "BLI_utildefines.h"
  52
  53 #include "DNA_brush_types.h"
  54 #include "DNA_object_types.h"
  55 #include "DNA_screen_types.h"
  56 #include "DNA_space_types.h"
  57
  58 #include "RNA_access.h"
  59 #include "RNA_enum_types.h"
  60
  61 #include "BKE_context.h"
  62 #include "BKE_global.h"
  63 #include "BKE_icons.h"
  64 #include "BKE_utildefines.h"
  65
  66 #include "IMB_imbuf.h"
  67 #include "IMB_imbuf_types.h"
  68
  69 #include "BIF_gl.h"
  70 #include "BIF_glutil.h"
  71
  72 #include "ED_datafiles.h"
  73 #include "ED_render.h"
  74
  75 #include "UI_interface.h"
  76 #include "UI_interface_icons.h"
  77
  78 #include "interface_intern.h"
  79
  80
  81 #define ICON_IMAGE_W            600
  82 #define ICON_IMAGE_H            640
  83
  84 #define ICON_GRID_COLS          26
  85 #define ICON_GRID_ROWS          30
  86
  87 #define ICON_GRID_MARGIN        5
  88 #define ICON_GRID_W             16
  89 #define ICON_GRID_H             16
  90
  91 typedef struct IconImage {
  92         int w;
  93         int h;
  94         unsigned int *rect;
  95 } IconImage;
  96
  97 typedef void (*VectorDrawFunc)(int x, int y, int w, int h, float alpha);
  98
  99 #define ICON_TYPE_PREVIEW       0
 100 #define ICON_TYPE_TEXTURE       1
 101 #define ICON_TYPE_BUFFER        2
 102 #define ICON_TYPE_VECTOR        3
 103
 104 typedef struct DrawInfo {
 105         int type;
 106
 107         union {
 108                 /* type specific data */
 109                 struct {
 110                         VectorDrawFunc func;
 111                 } vector;
 112                 struct {
 113                         IconImage* image;
 114                 } buffer;
 115                 struct {
 116                         int x, y, w, h;
 117                 } texture;
 118         } data;
 119 } DrawInfo;
 120
 121 typedef struct IconTexture {
 122         GLuint id;
 123         int w;
 124         int h;
 125         float invw;
 126         float invh;
 127 } IconTexture;
 128
 129 /* ******************* STATIC LOCAL VARS ******************* */
 130 /* static here to cache results of icon directory scan, so it's not
 131  * scanning the filesystem each time the menu is drawn */
 132 static struct ListBase iconfilelist = {NULL, NULL};
 133 static IconTexture icongltex = {0, 0, 0, 0.0f, 0.0f};
 134
 135 /* **************************************************** */
 136
 137 static void def_internal_icon(ImBuf *bbuf, int icon_id, int xofs, int yofs, int size, int type)
 138 {
 139         Icon *new_icon = NULL;
 140         IconImage *iimg = NULL;
 141         DrawInfo *di;
 142         int y = 0;
 143         int imgsize = 0;
 144
 145         new_icon = MEM_callocN(sizeof(Icon), "texicon");
 146
 147         new_icon->obj = NULL; /* icon is not for library object */
 148         new_icon->type = 0;
 149
 150         di = MEM_callocN(sizeof(DrawInfo), "drawinfo");
 151         di->type= type;
 152
 153         if(type == ICON_TYPE_TEXTURE) {
 154                 di->data.texture.x= xofs;
 155                 di->data.texture.y= yofs;
 156                 di->data.texture.w= size;
 157                 di->data.texture.h= size;
 158         }
 159         else if(type == ICON_TYPE_BUFFER) {
 160                 iimg = MEM_mallocN(sizeof(IconImage), "icon_img");
 161                 iimg->rect = MEM_mallocN(size*size*sizeof(unsigned int), "icon_rect");
 162                 iimg->w = size;
 163                 iimg->h = size;
 164
 165                 /* Here we store the rect in the icon - same as before */
 166                 imgsize = bbuf->x;
 167                 for (y=0; y<size; y++) {
 168                         memcpy(&iimg->rect[y*size], &bbuf->rect[(y+yofs)*imgsize+xofs], size*sizeof(int));
 169                 }
 170
 171                 di->data.buffer.image = iimg;
 172         }
 173
 174         new_icon->drawinfo_free = UI_icons_free_drawinfo;
 175         new_icon->drawinfo = di;
 176
 177         BKE_icon_set(icon_id, new_icon);
 178 }
 179
 180 static void def_internal_vicon( int icon_id, VectorDrawFunc drawFunc)
 181 {
 182         Icon *new_icon = NULL;
 183         DrawInfo* di;
 184
 185         new_icon = MEM_callocN(sizeof(Icon), "texicon");
 186
 187         new_icon->obj = NULL; /* icon is not for library object */
 188         new_icon->type = 0;
 189
 190         di = MEM_callocN(sizeof(DrawInfo), "drawinfo");
 191         di->type= ICON_TYPE_VECTOR;
 192         di->data.vector.func =drawFunc;
 193
 194         new_icon->drawinfo_free = NULL;
 195         new_icon->drawinfo = di;
 196
 197         BKE_icon_set(icon_id, new_icon);
 198 }
 199
 200 /* Vector Icon Drawing Routines */
 201
 202         /* Utilities */
 203
 204 static void viconutil_set_point(GLint pt[2], int x, int y)
 205 {
 206         pt[0] = x;
 207         pt[1] = y;
 208 }
 209
 210 static void viconutil_draw_tri(GLint (*pts)[2])
 211 {
 212         glBegin(GL_TRIANGLES);
 213         glVertex2iv(pts[0]);
 214         glVertex2iv(pts[1]);
 215         glVertex2iv(pts[2]);
 216         glEnd();
 217 }
 218
 219 static void viconutil_draw_lineloop(GLint (*pts)[2], int numPoints)
 220 {
 221         int i;
 222
 223         glBegin(GL_LINE_LOOP);
 224         for (i=0; i<numPoints; i++) {
 225                 glVertex2iv(pts[i]);
 226         }
 227         glEnd();
 228 }
 229
 230 static void viconutil_draw_lineloop_smooth(GLint (*pts)[2], int numPoints)
 231 {
 232         glEnable(GL_LINE_SMOOTH);
 233         viconutil_draw_lineloop(pts, numPoints);
 234         glDisable(GL_LINE_SMOOTH);
 235 }
 236
 237 static void viconutil_draw_points(GLint (*pts)[2], int numPoints, int pointSize)
 238 {
 239         int i;
 240
 241         glBegin(GL_QUADS);
 242         for (i=0; i<numPoints; i++) {
 243                 int x = pts[i][0], y = pts[i][1];
 244
 245                 glVertex2i(x-pointSize,y-pointSize);
 246                 glVertex2i(x+pointSize,y-pointSize);
 247                 glVertex2i(x+pointSize,y+pointSize);
 248                 glVertex2i(x-pointSize,y+pointSize);
 249         }
 250         glEnd();
 251 }
 252
 253         /* Drawing functions */
 254
 255 static void vicon_x_draw(int x, int y, int w, int h, float alpha)
 256 {
 257         x += 3;
 258         y += 3;
 259         w -= 6;
 260         h -= 6;
 261
 262         glEnable( GL_LINE_SMOOTH );
 263
 264         glLineWidth(2.5);
 265
 266         glColor4f(0.0, 0.0, 0.0, alpha);
 267         glBegin(GL_LINES);
 268         glVertex2i(x  ,y  );
 269         glVertex2i(x+w,y+h);
 270         glVertex2i(x+w,y  );
 271         glVertex2i(x  ,y+h);
 272         glEnd();
 273
 274         glLineWidth(1.0);
 275
 276         glDisable( GL_LINE_SMOOTH );
 277 }
 278
 279 static void vicon_view3d_draw(int x, int y, int w, int h, float alpha)
 280 {
 281         int cx = x + w/2;
 282         int cy = y + h/2;
 283         int d = MAX2(2, h/3);
 284
 285         glColor4f(0.5, 0.5, 0.5, alpha);
 286         glBegin(GL_LINES);
 287         glVertex2i(x  , cy-d);
 288         glVertex2i(x+w, cy-d);
 289         glVertex2i(x  , cy+d);
 290         glVertex2i(x+w, cy+d);
 291
 292         glVertex2i(cx-d, y  );
 293         glVertex2i(cx-d, y+h);
 294         glVertex2i(cx+d, y  );
 295         glVertex2i(cx+d, y+h);
 296         glEnd();
 297
 298         glColor4f(0.0, 0.0, 0.0, alpha);
 299         glBegin(GL_LINES);
 300         glVertex2i(x  , cy);
 301         glVertex2i(x+w, cy);
 302         glVertex2i(cx, y  );
 303         glVertex2i(cx, y+h);
 304         glEnd();
 305 }
 306
 307 static void vicon_edit_draw(int x, int y, int w, int h, float alpha)
 308 {
 309         GLint pts[4][2];
 310
 311         viconutil_set_point(pts[0], x+3  , y+3  );
 312         viconutil_set_point(pts[1], x+w-3, y+3  );
 313         viconutil_set_point(pts[2], x+w-3, y+h-3);
 314         viconutil_set_point(pts[3], x+3  , y+h-3);
 315
 316         glColor4f(0.0, 0.0, 0.0, alpha);
 317         viconutil_draw_lineloop(pts, 4);
 318
 319         glColor3f(1, 1, 0.0);
 320         viconutil_draw_points(pts, 4, 1);
 321 }
 322
 323 static void vicon_editmode_hlt_draw(int x, int y, int w, int h, float alpha)
 324 {
 325         GLint pts[3][2];
 326
 327         viconutil_set_point(pts[0], x+w/2, y+h-2);
 328         viconutil_set_point(pts[1], x+3, y+4);
 329         viconutil_set_point(pts[2], x+w-3, y+4);
 330
 331         glColor4f(0.5, 0.5, 0.5, alpha);
 332         viconutil_draw_tri(pts);
 333
 334         glColor4f(0.0, 0.0, 0.0, 1);
 335         viconutil_draw_lineloop_smooth(pts, 3);
 336
 337         glColor3f(1, 1, 0.0);
 338         viconutil_draw_points(pts, 3, 1);
 339 }
 340
 341 static void vicon_editmode_dehlt_draw(int x, int y, int w, int h, float UNUSED(alpha))
 342 {
 343         GLint pts[3][2];
 344
 345         viconutil_set_point(pts[0], x+w/2, y+h-2);
 346         viconutil_set_point(pts[1], x+3, y+4);
 347         viconutil_set_point(pts[2], x+w-3, y+4);
 348
 349         glColor4f(0.0f, 0.0f, 0.0f, 1);
 350         viconutil_draw_lineloop_smooth(pts, 3);
 351
 352         glColor3f(.9f, .9f, .9f);
 353         viconutil_draw_points(pts, 3, 1);
 354 }
 355
 356 static void vicon_disclosure_tri_right_draw(int x, int y, int w, int UNUSED(h), float alpha)
 357 {
 358         GLint pts[3][2];
 359         int cx = x+w/2;
 360         int cy = y+w/2;
 361         int d = w/3, d2 = w/5;
 362
 363         viconutil_set_point(pts[0], cx-d2, cy+d);
 364         viconutil_set_point(pts[1], cx-d2, cy-d);
 365         viconutil_set_point(pts[2], cx+d2, cy);
 366
 367         glShadeModel(GL_SMOOTH);
 368         glBegin(GL_TRIANGLES);
 369         glColor4f(0.8f, 0.8f, 0.8f, alpha);
 370         glVertex2iv(pts[0]);
 371         glVertex2iv(pts[1]);
 372         glColor4f(0.3f, 0.3f, 0.3f, alpha);
 373         glVertex2iv(pts[2]);
 374         glEnd();
 375         glShadeModel(GL_FLAT);
 376
 377         glColor4f(0.0f, 0.0f, 0.0f, 1);
 378         viconutil_draw_lineloop_smooth(pts, 3);
 379 }
 380
 381 static void vicon_small_tri_right_draw(int x, int y, int w, int UNUSED(h), float alpha)
 382 {
 383         GLint pts[3][2];
 384         int cx = x+w/2-4;
 385         int cy = y+w/2;
 386         int d = w/5, d2 = w/7;
 387
 388         viconutil_set_point(pts[0], cx-d2, cy+d);
 389         viconutil_set_point(pts[1], cx-d2, cy-d);
 390         viconutil_set_point(pts[2], cx+d2, cy);
 391
 392         glColor4f(0.2f, 0.2f, 0.2f, alpha);
 393
 394         glShadeModel(GL_SMOOTH);
 395         glBegin(GL_TRIANGLES);
 396         glVertex2iv(pts[0]);
 397         glVertex2iv(pts[1]);
 398         glVertex2iv(pts[2]);
 399         glEnd();
 400         glShadeModel(GL_FLAT);
 401 }
 402
 403 static void vicon_disclosure_tri_down_draw(int x, int y, int w, int UNUSED(h), float alpha)
 404 {
 405         GLint pts[3][2];
 406         int cx = x+w/2;
 407         int cy = y+w/2;
 408         int d = w/3, d2 = w/5;
 409
 410         viconutil_set_point(pts[0], cx+d, cy+d2);
 411         viconutil_set_point(pts[1], cx-d, cy+d2);
 412         viconutil_set_point(pts[2], cx, cy-d2);
 413
 414         glShadeModel(GL_SMOOTH);
 415         glBegin(GL_TRIANGLES);
 416         glColor4f(0.8f, 0.8f, 0.8f, alpha);
 417         glVertex2iv(pts[0]);
 418         glVertex2iv(pts[1]);
 419         glColor4f(0.3f, 0.3f, 0.3f, alpha);
 420         glVertex2iv(pts[2]);
 421         glEnd();
 422         glShadeModel(GL_FLAT);
 423
 424         glColor4f(0.0f, 0.0f, 0.0f, 1);
 425         viconutil_draw_lineloop_smooth(pts, 3);
 426 }
 427
 428 static void vicon_move_up_draw(int x, int y, int w, int h, float UNUSED(alpha))
 429 {
 430         int d=-2;
 431
 432         glEnable(GL_LINE_SMOOTH);
 433         glLineWidth(1);
 434         glColor3f(0.0, 0.0, 0.0);
 435
 436         glBegin(GL_LINE_STRIP);
 437         glVertex2i(x+w/2-d*2, y+h/2+d);
 438         glVertex2i(x+w/2, y+h/2-d + 1);
 439         glVertex2i(x+w/2+d*2, y+h/2+d);
 440         glEnd();
 441
 442         glLineWidth(1.0);
 443         glDisable(GL_LINE_SMOOTH);
 444 }
 445
 446 static void vicon_move_down_draw(int x, int y, int w, int h, float UNUSED(alpha))
 447 {
 448         int d=2;
 449
 450         glEnable(GL_LINE_SMOOTH);
 451         glLineWidth(1);
 452         glColor3f(0.0, 0.0, 0.0);
 453
 454         glBegin(GL_LINE_STRIP);
 455         glVertex2i(x+w/2-d*2, y+h/2+d);
 456         glVertex2i(x+w/2, y+h/2-d - 1);
 457         glVertex2i(x+w/2+d*2, y+h/2+d);
 458         glEnd();
 459
 460         glLineWidth(1.0);
 461         glDisable(GL_LINE_SMOOTH);
 462 }
 463
 464 #ifndef WITH_HEADLESS
 465 static void init_brush_icons(void)
 466 {
 467
 468 #define INIT_BRUSH_ICON(icon_id, name)                                       \
 469         bbuf = IMB_ibImageFromMemory((unsigned char*)datatoc_ ##name## _png, \
 470                                      datatoc_ ##name## _png_size, IB_rect);  \
 471         def_internal_icon(bbuf, icon_id, 0, 0, w, ICON_TYPE_BUFFER);         \
 472         IMB_freeImBuf(bbuf);
 473         // end INIT_BRUSH_ICON
 474
 475         ImBuf *bbuf;
 476         const int w = 96;
 477
 478         INIT_BRUSH_ICON(ICON_BRUSH_ADD, add);
 479         INIT_BRUSH_ICON(ICON_BRUSH_BLOB, blob);
 480         INIT_BRUSH_ICON(ICON_BRUSH_BLUR, blur);
 481         INIT_BRUSH_ICON(ICON_BRUSH_CLAY, clay);
 482         INIT_BRUSH_ICON(ICON_BRUSH_CLONE, clone);
 483         INIT_BRUSH_ICON(ICON_BRUSH_CREASE, crease);
 484         INIT_BRUSH_ICON(ICON_BRUSH_DARKEN, darken);
 485         INIT_BRUSH_ICON(ICON_BRUSH_SCULPT_DRAW, draw);
 486         INIT_BRUSH_ICON(ICON_BRUSH_FILL, fill);
 487         INIT_BRUSH_ICON(ICON_BRUSH_FLATTEN, flatten);
 488         INIT_BRUSH_ICON(ICON_BRUSH_GRAB, grab);
 489         INIT_BRUSH_ICON(ICON_BRUSH_INFLATE, inflate);
 490         INIT_BRUSH_ICON(ICON_BRUSH_LAYER, layer);
 491         INIT_BRUSH_ICON(ICON_BRUSH_LIGHTEN, lighten);
 492         INIT_BRUSH_ICON(ICON_BRUSH_MIX, mix);
 493         INIT_BRUSH_ICON(ICON_BRUSH_MULTIPLY, multiply);
 494         INIT_BRUSH_ICON(ICON_BRUSH_NUDGE, nudge);
 495         INIT_BRUSH_ICON(ICON_BRUSH_PINCH, pinch);
 496         INIT_BRUSH_ICON(ICON_BRUSH_SCRAPE, scrape);
 497         INIT_BRUSH_ICON(ICON_BRUSH_SMEAR, smear);
 498         INIT_BRUSH_ICON(ICON_BRUSH_SMOOTH, smooth);
 499         INIT_BRUSH_ICON(ICON_BRUSH_SNAKE_HOOK, snake_hook);
 500         INIT_BRUSH_ICON(ICON_BRUSH_SOFTEN, soften);
 501         INIT_BRUSH_ICON(ICON_BRUSH_SUBTRACT, subtract);
 502         INIT_BRUSH_ICON(ICON_BRUSH_TEXDRAW, texdraw);
 503         INIT_BRUSH_ICON(ICON_BRUSH_THUMB, thumb);
 504         INIT_BRUSH_ICON(ICON_BRUSH_ROTATE, twist);
 505         INIT_BRUSH_ICON(ICON_BRUSH_VERTEXDRAW, vertexdraw);
 506
 507 #undef INIT_BRUSH_ICON
 508 }
 509
 510 static void init_internal_icons(void)
 511 {
 512         bTheme *btheme= U.themes.first;
 513         ImBuf *bbuf= NULL;
 514         int x, y, icontype;
 515         char iconfilestr[FILE_MAXDIR+FILE_MAXFILE];
 516
 517         if ((btheme!=NULL) && btheme->tui.iconfile[0]) {
 518                 char *icondir= BLI_get_folder(BLENDER_DATAFILES, "icons");
 519                 if (icondir) {
 520                         BLI_join_dirfile(iconfilestr, sizeof(iconfilestr), icondir, btheme->tui.iconfile);
 521                         bbuf = IMB_loadiffname(iconfilestr, IB_rect); /* if the image is missing bbuf will just be NULL */
 522                         if(bbuf && (bbuf->x < ICON_IMAGE_W || bbuf->y < ICON_IMAGE_H)) {
 523                                 printf("\n***WARNING***\nIcons file %s too small.\nUsing built-in Icons instead\n", iconfilestr);
 524                                 IMB_freeImBuf(bbuf);
 525                                 bbuf= NULL;
 526                         }
 527                 }
 528                 else {
 529                         printf("%s: 'icons' data path not found, continuing\n", __func__);
 530                 }
 531         }
 532         if(bbuf==NULL)
 533                 bbuf = IMB_ibImageFromMemory((unsigned char*)datatoc_blenderbuttons, datatoc_blenderbuttons_size, IB_rect);
 534
 535         if(bbuf) {
 536                 /* free existing texture if any */
 537                 if(icongltex.id) {
 538                         glDeleteTextures(1, &icongltex.id);
 539                         icongltex.id= 0;
 540                 }
 541
 542                 /* we only use a texture for cards with non-power of two */
 543                 if(GPU_non_power_of_two_support()) {
 544                         glGenTextures(1, &icongltex.id);
 545
 546                         if(icongltex.id) {
 547                                 icongltex.w = bbuf->x;
 548                                 icongltex.h = bbuf->y;
 549                                 icongltex.invw = 1.0f/bbuf->x;
 550                                 icongltex.invh = 1.0f/bbuf->y;
 551
 552                                 glBindTexture(GL_TEXTURE_2D, icongltex.id);
 553                                 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, bbuf->x, bbuf->y, 0, GL_RGBA, GL_UNSIGNED_BYTE, bbuf->rect);
 554                                 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
 555                                 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
 556                                 glBindTexture(GL_TEXTURE_2D, 0);
 557
 558                                 if(glGetError() == GL_OUT_OF_MEMORY) {
 559                                         glDeleteTextures(1, &icongltex.id);
 560                                         icongltex.id= 0;
 561                                 }
 562                         }
 563                 }
 564         }
 565
 566         if(icongltex.id)
 567                 icontype= ICON_TYPE_TEXTURE;
 568         else
 569                 icontype= ICON_TYPE_BUFFER;
 570
 571         if(bbuf) {
 572                 for (y=0; y<ICON_GRID_ROWS; y++) {
 573                         for (x=0; x<ICON_GRID_COLS; x++) {
 574                                 def_internal_icon(bbuf, BIFICONID_FIRST + y*ICON_GRID_COLS + x,
 575                                         x*(ICON_GRID_W+ICON_GRID_MARGIN)+ICON_GRID_MARGIN,
 576                                         y*(ICON_GRID_H+ICON_GRID_MARGIN)+ICON_GRID_MARGIN, ICON_GRID_W,
 577                                         icontype);
 578                         }
 579                 }
 580         }
 581
 582         def_internal_vicon(VICO_VIEW3D_VEC, vicon_view3d_draw);
 583         def_internal_vicon(VICO_EDIT_VEC, vicon_edit_draw);
 584         def_internal_vicon(VICO_EDITMODE_DEHLT, vicon_editmode_dehlt_draw);
 585         def_internal_vicon(VICO_EDITMODE_HLT, vicon_editmode_hlt_draw);
 586         def_internal_vicon(VICO_DISCLOSURE_TRI_RIGHT_VEC, vicon_disclosure_tri_right_draw);
 587         def_internal_vicon(VICO_DISCLOSURE_TRI_DOWN_VEC, vicon_disclosure_tri_down_draw);
 588         def_internal_vicon(VICO_MOVE_UP_VEC, vicon_move_up_draw);
 589         def_internal_vicon(VICO_MOVE_DOWN_VEC, vicon_move_down_draw);
 590         def_internal_vicon(VICO_X_VEC, vicon_x_draw);
 591         def_internal_vicon(VICO_SMALL_TRI_RIGHT_VEC, vicon_small_tri_right_draw);
 592
 593         IMB_freeImBuf(bbuf);
 594 }
 595 #endif // WITH_HEADLESS
 596
 597 static void init_iconfile_list(struct ListBase *list)
 598 {
 599         IconFile *ifile;
 600         struct direntry *dir;
 601         int restoredir = 1; /* restore to current directory */
 602         int totfile, i, index=1;
 603         const char *icondir;
 604         char olddir[FILE_MAX];
 605
 606         list->first = list->last = NULL;
 607         icondir = BLI_get_folder(BLENDER_DATAFILES, "icons");
 608
 609         if(icondir==NULL)
 610                 return;
 611
 612         /* since BLI_getdir changes the current working directory, restore it
 613            back to old value afterwards */
 614         if(!BLI_getwdN(olddir, sizeof(olddir)))
 615                 restoredir = 0;
 616         totfile = BLI_getdir(icondir, &dir);
 617         if (restoredir && !chdir(olddir)) {} /* fix warning about checking return value */
 618
 619         for(i=0; i<totfile; i++) {
 620                 if( (dir[i].type & S_IFREG) ) {
 621                         char *filename = dir[i].relname;
 622
 623                         if(BLI_testextensie(filename, ".png")) {
 624                                 /* loading all icons on file start is overkill & slows startup
 625                                  * its possible they change size after blender load anyway. */
 626 #if 0
 627                                 int ifilex, ifiley;
 628                                 char iconfilestr[FILE_MAX+16]; /* allow 256 chars for file+dir */
 629                                 ImBuf *bbuf= NULL;
 630                                 /* check to see if the image is the right size, continue if not */
 631                                 /* copying strings here should go ok, assuming that we never get back
 632                                    a complete path to file longer than 256 chars */
 633                                 BLI_join_dirfile(iconfilestr, sizeof(iconfilestr), icondir, filename);
 634                                 bbuf= IMB_loadiffname(iconfilestr, IB_rect);
 635
 636                                 if(bbuf) {
 637                                         ifilex = bbuf->x;
 638                                         ifiley = bbuf->y;
 639                                         IMB_freeImBuf(bbuf);
 640                                 }
 641                                 else {
 642                                         ifilex= ifiley= 0;
 643                                 }
 644
 645                                 /* bad size or failed to load */
 646                                 if ((ifilex != ICON_IMAGE_W) || (ifiley != ICON_IMAGE_H)) {
 647                                         printf("icon '%s' is wrong size %dx%d\n", iconfilestr, ifilex, ifiley);
 648                                         continue;
 649                                 }
 650 #endif                  /* removed */
 651
 652                                 /* found a potential icon file, so make an entry for it in the cache list */
 653                                 ifile = MEM_callocN(sizeof(IconFile), "IconFile");
 654
 655                                 BLI_strncpy(ifile->filename, filename, sizeof(ifile->filename));
 656                                 ifile->index = index;
 657
 658                                 BLI_addtail(list, ifile);
 659
 660                                 index++;
 661                         }
 662                 }
 663         }
 664
 665         /* free temporary direntry structure that's been created by BLI_getdir() */
 666         i= totfile-1;
 667
 668         for(; i>=0; i--){
 669                 MEM_freeN(dir[i].relname);
 670                 MEM_freeN(dir[i].path);
 671                 if (dir[i].string) MEM_freeN(dir[i].string);
 672         }
 673         free(dir);
 674         dir= NULL;
 675 }
 676
 677 static void free_iconfile_list(struct ListBase *list)
 678 {
 679         IconFile *ifile=NULL, *next_ifile=NULL;
 680
 681         for(ifile=list->first; ifile; ifile=next_ifile) {
 682                 next_ifile = ifile->next;
 683                 BLI_freelinkN(list, ifile);
 684         }
 685 }
 686
 687 int UI_iconfile_get_index(const char *filename)
 688 {
 689         IconFile *ifile;
 690         ListBase *list=&(iconfilelist);
 691
 692         for(ifile=list->first; ifile; ifile=ifile->next) {
 693                 if (BLI_path_cmp(filename, ifile->filename) == 0) {
 694                         return ifile->index;
 695                 }
 696         }
 697
 698         return 0;
 699 }
 700
 701 ListBase *UI_iconfile_list(void)
 702 {
 703         ListBase *list=&(iconfilelist);
 704
 705         return list;
 706 }
 707
 708
 709 void UI_icons_free(void)
 710 {
 711 #ifndef WITH_HEADLESS
 712         if(icongltex.id) {
 713                 glDeleteTextures(1, &icongltex.id);
 714                 icongltex.id= 0;
 715         }
 716
 717         free_iconfile_list(&iconfilelist);
 718         BKE_icons_free();
 719 #endif
 720 }
 721
 722 void UI_icons_free_drawinfo(void *drawinfo)
 723 {
 724         DrawInfo *di = drawinfo;
 725
 726         if(di) {
 727                 if(di->type == ICON_TYPE_BUFFER) {
 728                         if(di->data.buffer.image) {
 729                                 MEM_freeN(di->data.buffer.image->rect);
 730                                 MEM_freeN(di->data.buffer.image);
 731                         }
 732                 }
 733
 734                 MEM_freeN(di);
 735         }
 736 }
 737
 738 static DrawInfo *icon_create_drawinfo(void)
 739 {
 740         DrawInfo *di = NULL;
 741
 742         di = MEM_callocN(sizeof(DrawInfo), "di_icon");
 743         di->type= ICON_TYPE_PREVIEW;
 744
 745         return di;
 746 }
 747
 748 /* note!, returns unscaled by DPI, may need to multiply result by UI_DPI_ICON_FAC */
 749 int UI_icon_get_width(int icon_id)
 750 {
 751         Icon *icon = NULL;
 752         DrawInfo *di = NULL;
 753
 754         icon = BKE_icon_get(icon_id);
 755
 756         if (icon==NULL) {
 757                 if (G.f & G_DEBUG)
 758                         printf("%s: Internal error, no icon for icon ID: %d\n", __func__, icon_id);
 759                 return 0;
 760         }
 761
 762         di = (DrawInfo *)icon->drawinfo;
 763         if (!di) {
 764                 di = icon_create_drawinfo();
 765                 icon->drawinfo = di;
 766         }
 767
 768         if (di)
 769                 return ICON_DEFAULT_WIDTH;
 770
 771         return 0;
 772 }
 773
 774 int UI_icon_get_height(int icon_id)
 775 {
 776         Icon *icon = NULL;
 777         DrawInfo *di = NULL;
 778
 779         icon = BKE_icon_get(icon_id);
 780
 781         if (icon==NULL) {
 782                 if (G.f & G_DEBUG)
 783                         printf("%s: Internal error, no icon for icon ID: %d\n", __func__, icon_id);
 784                 return 0;
 785         }
 786
 787         di = (DrawInfo*)icon->drawinfo;
 788
 789         if (!di) {
 790                 di = icon_create_drawinfo();
 791                 icon->drawinfo = di;
 792         }
 793
 794         if (di)
 795                 return ICON_DEFAULT_HEIGHT;
 796
 797         return 0;
 798 }
 799
 800 void UI_icons_init(int first_dyn_id)
 801 {
 802 #ifdef WITH_HEADLESS
 803         (void)first_dyn_id;
 804 #else
 805         init_iconfile_list(&iconfilelist);
 806         BKE_icons_init(first_dyn_id);
 807         init_internal_icons();
 808         init_brush_icons();
 809 #endif
 810 }
 811
 812 /* Render size for preview images and icons
 813  */
 814 static int preview_render_size(enum eIconSizes size)
 815 {
 816         switch (size) {
 817                 case ICON_SIZE_ICON:    return 32;
 818                 case ICON_SIZE_PREVIEW: return PREVIEW_DEFAULT_HEIGHT;
 819         }
 820         return 0;
 821 }
 822
 823 /* Create rect for the icon
 824  */
 825 static void icon_create_rect(struct PreviewImage* prv_img, enum eIconSizes size)
 826 {
 827         unsigned int render_size = preview_render_size(size);
 828
 829         if (!prv_img) {
 830                 if (G.f & G_DEBUG)
 831                         printf("%s, error: requested preview image does not exist", __func__);
 832         }
 833         if (!prv_img->rect[size]) {
 834                 prv_img->w[size] = render_size;
 835                 prv_img->h[size] = render_size;
 836                 prv_img->changed[size] = 1;
 837                 prv_img->changed_timestamp[size] = 0;
 838                 prv_img->rect[size] = MEM_callocN(render_size*render_size*sizeof(unsigned int), "prv_rect");
 839         }
 840 }
 841
 842 /* only called when icon has changed */
 843 /* only call with valid pointer from UI_icon_draw */
 844 static void icon_set_image(bContext *C, ID *id, PreviewImage* prv_img, enum eIconSizes size)
 845 {
 846         if (!prv_img) {
 847                 if (G.f & G_DEBUG)
 848                         printf("%s: no preview image for this ID: %s\n", __func__, id->name);
 849                 return;
 850         }
 851
 852         icon_create_rect(prv_img, size);
 853
 854         ED_preview_icon_job(C, prv_img, id, prv_img->rect[size],
 855                 prv_img->w[size], prv_img->h[size]);
 856 }
 857
 858 static void icon_draw_rect(float x, float y, int w, int h, float UNUSED(aspect), int rw, int rh, unsigned int *rect, float alpha, float *rgb, short is_preview)
 859 {
 860         ImBuf *ima= NULL;
 861
 862         /* sanity check */
 863         if(w<=0 || h<=0 || w>2000 || h>2000) {
 864                 printf("%s: icons are %i x %i pixels?\n", __func__, w, h);
 865                 BLI_assert(!"invalid icon size");
 866                 return;
 867         }
 868
 869         /* modulate color */
 870         if(alpha != 1.0f)
 871                 glPixelTransferf(GL_ALPHA_SCALE, alpha);
 872
 873         if(rgb) {
 874                 glPixelTransferf(GL_RED_SCALE, rgb[0]);
 875                 glPixelTransferf(GL_GREEN_SCALE, rgb[1]);
 876                 glPixelTransferf(GL_BLUE_SCALE, rgb[2]);
 877         }
 878
 879         /* rect contains image in 'rendersize', we only scale if needed */
 880         if(rw!=w && rh!=h) {
 881                 /* first allocate imbuf for scaling and copy preview into it */
 882                 ima = IMB_allocImBuf(rw, rh, 32, IB_rect);
 883                 memcpy(ima->rect, rect, rw*rh*sizeof(unsigned int));
 884                 IMB_scaleImBuf(ima, w, h); /* scale it */
 885                 rect= ima->rect;
 886         }
 887
 888         /* draw */
 889         if(is_preview) {
 890                 glaDrawPixelsSafe(x, y, w, h, w, GL_RGBA, GL_UNSIGNED_BYTE, rect);
 891         }
 892         else {
 893                 glRasterPos2f(x, y);
 894                 glDrawPixels(w, h, GL_RGBA, GL_UNSIGNED_BYTE, rect);
 895         }
 896
 897         if(ima)
 898                 IMB_freeImBuf(ima);
 899
 900         /* restore color */
 901         if(alpha != 0.0f)
 902                 glPixelTransferf(GL_ALPHA_SCALE, 1.0f);
 903
 904         if(rgb) {
 905                 glPixelTransferf(GL_RED_SCALE, 1.0f);
 906                 glPixelTransferf(GL_GREEN_SCALE, 1.0f);
 907                 glPixelTransferf(GL_BLUE_SCALE, 1.0f);
 908         }
 909 }
 910
 911 static void icon_draw_texture(float x, float y, float w, float h, int ix, int iy, int UNUSED(iw), int ih, float alpha, float *rgb)
 912 {
 913         float x1, x2, y1, y2;
 914
 915         if(rgb) glColor4f(rgb[0], rgb[1], rgb[2], alpha);
 916         else glColor4f(1.0f, 1.0f, 1.0f, alpha);
 917
 918         x1= ix*icongltex.invw;
 919         x2= (ix + ih)*icongltex.invw;
 920         y1= iy*icongltex.invh;
 921         y2= (iy + ih)*icongltex.invh;
 922
 923         glEnable(GL_TEXTURE_2D);
 924         glBindTexture(GL_TEXTURE_2D, icongltex.id);
 925
 926         glBegin(GL_QUADS);
 927         glTexCoord2f(x1, y1);
 928         glVertex2f(x, y);
 929
 930         glTexCoord2f(x2, y1);
 931         glVertex2f(x+w, y);
 932
 933         glTexCoord2f(x2, y2);
 934         glVertex2f(x+w, y+h);
 935
 936         glTexCoord2f(x1, y2);
 937         glVertex2f(x, y+h);
 938         glEnd();
 939
 940         glBindTexture(GL_TEXTURE_2D, 0);
 941         glDisable(GL_TEXTURE_2D);
 942 }
 943
 944 /* Drawing size for preview images */
 945 static int get_draw_size(enum eIconSizes size)
 946 {
 947         switch (size) {
 948                 case ICON_SIZE_ICON: return ICON_DEFAULT_HEIGHT;
 949                 case ICON_SIZE_PREVIEW: return PREVIEW_DEFAULT_HEIGHT;
 950         }
 951         return 0;
 952 }
 953
 954 static void icon_draw_size(float x, float y, int icon_id, float aspect, float alpha, float *rgb, enum eIconSizes size, int draw_size, int UNUSED(nocreate), short is_preview)
 955 {
 956         Icon *icon = NULL;
 957         DrawInfo *di = NULL;
 958         IconImage *iimg;
 959         float fdraw_size= is_preview ? draw_size : (draw_size * UI_DPI_ICON_FAC);
 960         int w, h;
 961
 962         icon = BKE_icon_get(icon_id);
 963         alpha *= 0.75f;
 964
 965         if (icon==NULL) {
 966                 if (G.f & G_DEBUG)
 967                         printf("%s: Internal error, no icon for icon ID: %d\n", __func__, icon_id);
 968                 return;
 969         }
 970
 971         di = (DrawInfo*)icon->drawinfo;
 972
 973         if (!di) {
 974                 di = icon_create_drawinfo();
 975
 976                 icon->drawinfo = di;
 977                 icon->drawinfo_free = UI_icons_free_drawinfo;
 978         }
 979
 980         /* scale width and height according to aspect */
 981         w = (int)(fdraw_size/aspect + 0.5f);
 982         h = (int)(fdraw_size/aspect + 0.5f);
 983
 984         if(di->type == ICON_TYPE_VECTOR) {
 985                 /* vector icons use the uiBlock transformation, they are not drawn
 986                 with untransformed coordinates like the other icons */
 987                 di->data.vector.func((int)x, (int)y, ICON_DEFAULT_HEIGHT, ICON_DEFAULT_HEIGHT, 1.0f);
 988         }
 989         else if(di->type == ICON_TYPE_TEXTURE) {
 990                 icon_draw_texture(x, y, (float)w, (float)h, di->data.texture.x, di->data.texture.y,
 991                         di->data.texture.w, di->data.texture.h, alpha, rgb);
 992         }
 993         else if(di->type == ICON_TYPE_BUFFER) {
 994                 /* it is a builtin icon */
 995                 iimg= di->data.buffer.image;
 996
 997                 if(!iimg->rect) return; /* something has gone wrong! */
 998
 999                 icon_draw_rect(x, y, w, h, aspect, iimg->w, iimg->h, iimg->rect, alpha, rgb, is_preview);
1000         }
1001         else if(di->type == ICON_TYPE_PREVIEW) {
1002                 PreviewImage* pi = BKE_previewimg_get((ID*)icon->obj);
1003
1004                 if(pi) {
1005                         /* no create icon on this level in code */
1006                         if(!pi->rect[size]) return; /* something has gone wrong! */
1007
1008                         /* preview images use premul alpha ... */
1009                         glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
1010                         icon_draw_rect(x, y, w, h, aspect, pi->w[size], pi->h[size], pi->rect[size], 1.0f, NULL, is_preview);
1011                         glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
1012                 }
1013         }
1014 }
1015
1016 static void ui_id_icon_render(bContext *C, ID *id, int big)
1017 {
1018         PreviewImage *pi = BKE_previewimg_get(id);
1019
1020         if (pi) {
1021                 if ((pi->changed[0] ||!pi->rect[0])) /* changed only ever set by dynamic icons */
1022                 {
1023                         /* create the rect if necessary */
1024
1025                         icon_set_image(C, id, pi, ICON_SIZE_ICON);              /* icon size */
1026                         if (big)
1027                                 icon_set_image(C, id, pi, ICON_SIZE_PREVIEW);   /* bigger preview size */
1028
1029                         pi->changed[0] = 0;
1030                 }
1031         }
1032 }
1033
1034 static void ui_id_brush_render(bContext *C, ID *id)
1035 {
1036         PreviewImage *pi = BKE_previewimg_get(id);
1037         enum eIconSizes i;
1038
1039         if(!pi)
1040                 return;
1041
1042         for(i = 0; i < NUM_ICON_SIZES; i++) {
1043                 /* check if rect needs to be created; changed
1044                  only set by dynamic icons */
1045                 if((pi->changed[i] || !pi->rect[i])) {
1046                         icon_set_image(C, id, pi, i);
1047                         pi->changed[i] = 0;
1048                 }
1049         }
1050 }
1051
1052
1053 static int ui_id_brush_get_icon(bContext *C, ID *id)
1054 {
1055         Brush *br = (Brush*)id;
1056
1057         if(br->flag & BRUSH_CUSTOM_ICON) {
1058                 BKE_icon_getid(id);
1059                 ui_id_brush_render(C, id);
1060         }
1061         else {
1062                 Object *ob = CTX_data_active_object(C);
1063                 SpaceImage *sima;
1064                 EnumPropertyItem *items = NULL;
1065                 int tool, mode = 0;
1066
1067                 /* XXX: this is not nice, should probably make brushes
1068                    be strictly in one paint mode only to avoid
1069                    checking various context stuff here */
1070
1071                 if(CTX_wm_view3d(C) && ob) {
1072                         if(ob->mode & OB_MODE_SCULPT)
1073                                 mode = OB_MODE_SCULPT;
1074                         else if(ob->mode & (OB_MODE_VERTEX_PAINT|OB_MODE_WEIGHT_PAINT))
1075                                 mode = OB_MODE_VERTEX_PAINT;
1076                         else if(ob->mode & OB_MODE_TEXTURE_PAINT)
1077                                 mode = OB_MODE_TEXTURE_PAINT;
1078                 }
1079                 else if((sima = CTX_wm_space_image(C)) &&
1080                         (sima->flag & SI_DRAWTOOL)) {
1081                         mode = OB_MODE_TEXTURE_PAINT;
1082                 }
1083
1084                 /* reset the icon */
1085                 if(mode == OB_MODE_SCULPT) {
1086                         items = brush_sculpt_tool_items;
1087                         tool = br->sculpt_tool;
1088                 }
1089                 else if(mode == OB_MODE_VERTEX_PAINT) {
1090                         items = brush_vertex_tool_items;
1091                         tool = br->vertexpaint_tool;
1092                 }
1093                 else if(mode == OB_MODE_TEXTURE_PAINT) {
1094                         items = brush_image_tool_items;
1095                         tool = br->imagepaint_tool;
1096                 }
1097
1098                 if(!items || !RNA_enum_icon_from_value(items, tool, &id->icon_id))
1099                         id->icon_id = 0;
1100         }
1101
1102         return id->icon_id;
1103 }
1104
1105 int ui_id_icon_get(bContext *C, ID *id, int big)
1106 {
1107         int iconid= 0;
1108
1109         /* icon */
1110         switch(GS(id->name)) {
1111                 case ID_BR:
1112                         iconid= ui_id_brush_get_icon(C, id);
1113                         break;
1114                 case ID_MA: /* fall through */
1115                 case ID_TE: /* fall through */
1116                 case ID_IM: /* fall through */
1117                 case ID_WO: /* fall through */
1118                 case ID_LA: /* fall through */
1119                         iconid= BKE_icon_getid(id);
1120                         /* checks if not exists, or changed */
1121                         ui_id_icon_render(C, id, big);
1122                         break;
1123                 default:
1124                         break;
1125         }
1126
1127         return iconid;
1128 }
1129
1130 static void icon_draw_at_size(float x, float y, int icon_id, float aspect, float alpha, enum eIconSizes size, int nocreate)
1131 {
1132         int draw_size = get_draw_size(size);
1133         icon_draw_size(x, y, icon_id, aspect, alpha, NULL, size, draw_size, nocreate, FALSE);
1134 }
1135
1136 void UI_icon_draw_aspect(float x, float y, int icon_id, float aspect, float alpha)
1137 {
1138         icon_draw_at_size(x, y, icon_id, aspect, alpha, ICON_SIZE_ICON, 0);
1139 }
1140
1141 void UI_icon_draw_aspect_color(float x, float y, int icon_id, float aspect, float *rgb)
1142 {
1143         int draw_size = get_draw_size(ICON_SIZE_ICON);
1144         icon_draw_size(x, y, icon_id, aspect, 1.0f, rgb, ICON_SIZE_ICON, draw_size, FALSE, FALSE);
1145 }
1146
1147 void UI_icon_draw(float x, float y, int icon_id)
1148 {
1149         UI_icon_draw_aspect(x, y, icon_id, 1.0f, 1.0f);
1150 }
1151
1152 void UI_icon_draw_size(float x, float y, int size, int icon_id, float alpha)
1153 {
1154         icon_draw_size(x, y, icon_id, 1.0f, alpha, NULL, ICON_SIZE_ICON, size, TRUE, FALSE);
1155 }
1156
1157 void UI_icon_draw_preview(float x, float y, int icon_id)
1158 {
1159         icon_draw_at_size(x, y, icon_id, 1.0f, 1.0f, ICON_SIZE_PREVIEW, 0);
1160 }
1161
1162 void UI_icon_draw_preview_aspect(float x, float y, int icon_id, float aspect)
1163 {
1164         icon_draw_at_size(x, y, icon_id, aspect, 1.0f, ICON_SIZE_PREVIEW, 0);
1165 }
1166
1167 void UI_icon_draw_preview_aspect_size(float x, float y, int icon_id, float aspect, int size)
1168 {
1169         icon_draw_size(x, y, icon_id, aspect, 1.0f, NULL, ICON_SIZE_PREVIEW, size, FALSE, TRUE);
1170 }
1171