src/color-profile.cpp

   1
   2
   3 //#define DEBUG_LCMS
   4
   5 #include <glib/gstdio.h>
   6 #include <sys/fcntl.h>
   7 #include <gdkmm/color.h>
   8
   9 #ifdef DEBUG_LCMS
  10 #include <gtk/gtkmessagedialog.h>
  11 #endif // DEBUG_LCMS
  12
  13 #include <cstring>
  14 #include <string>
  15 #include "xml/repr.h"
  16 #include "color-profile.h"
  17 #include "color-profile-fns.h"
  18 #include "attributes.h"
  19 #include "inkscape.h"
  20 #include "document.h"
  21 #include "prefs-utils.h"
  22
  23 #include "dom/uri.h"
  24 #include "dom/util/digest.h"
  25
  26 using Inkscape::ColorProfile;
  27 using Inkscape::ColorProfileClass;
  28
  29 namespace Inkscape
  30 {
  31 #if ENABLE_LCMS
  32 static cmsHPROFILE colorprofile_get_system_profile_handle();
  33 static cmsHPROFILE colorprofile_get_proof_profile_handle();
  34 #endif // ENABLE_LCMS
  35 }
  36
  37 #ifdef DEBUG_LCMS
  38 extern guint update_in_progress;
  39 #define DEBUG_MESSAGE(key, ...) \
  40 {\
  41     gint dump = prefs_get_int_attribute_limited("options.scislac", #key, 0, 0, 1);\
  42     gint dumpD = prefs_get_int_attribute_limited("options.scislac", #key"D", 0, 0, 1);\
  43     gint dumpD2 = prefs_get_int_attribute_limited("options.scislac", #key"D2", 0, 0, 1);\
  44     dumpD &= ( (update_in_progress == 0) || dumpD2 );\
  45     if ( dump )\
  46     {\
  47         g_message( __VA_ARGS__ );\
  48 \
  49     }\
  50     if ( dumpD )\
  51     {\
  52         GtkWidget *dialog = gtk_message_dialog_new(NULL,\
  53                                                    GTK_DIALOG_DESTROY_WITH_PARENT, \
  54                                                    GTK_MESSAGE_INFO,    \
  55                                                    GTK_BUTTONS_OK,      \
  56                                                    __VA_ARGS__          \
  57                                                    );\
  58         g_signal_connect_swapped(dialog, "response",\
  59                                  G_CALLBACK(gtk_widget_destroy),        \
  60                                  dialog);                               \
  61         gtk_widget_show_all( dialog );\
  62     }\
  63 }
  64 #endif // DEBUG_LCMS
  65
  66 static SPObjectClass *cprof_parent_class;
  67
  68 #if ENABLE_LCMS
  69
  70 cmsHPROFILE ColorProfile::_sRGBProf = 0;
  71
  72 cmsHPROFILE ColorProfile::getSRGBProfile() {
  73     if ( !_sRGBProf ) {
  74         _sRGBProf = cmsCreate_sRGBProfile();
  75     }
  76     return _sRGBProf;
  77 }
  78
  79 #endif // ENABLE_LCMS
  80
  81 /**
  82  * Register ColorProfile class and return its type.
  83  */
  84 GType Inkscape::colorprofile_get_type()
  85 {
  86     return ColorProfile::getType();
  87 }
  88
  89 GType ColorProfile::getType()
  90 {
  91     static GType type = 0;
  92     if (!type) {
  93         GTypeInfo info = {
  94             sizeof(ColorProfileClass),
  95             NULL, NULL,
  96             (GClassInitFunc) ColorProfile::classInit,
  97             NULL, NULL,
  98             sizeof(ColorProfile),
  99             16,
 100             (GInstanceInitFunc) ColorProfile::init,
 101             NULL,   /* value_table */
 102         };
 103         type = g_type_register_static( SP_TYPE_OBJECT, "ColorProfile", &info, static_cast<GTypeFlags>(0) );
 104     }
 105     return type;
 106 }
 107
 108 /**
 109  * ColorProfile vtable initialization.
 110  */
 111 void ColorProfile::classInit( ColorProfileClass *klass )
 112 {
 113     SPObjectClass *sp_object_class = reinterpret_cast<SPObjectClass *>(klass);
 114
 115     cprof_parent_class = static_cast<SPObjectClass*>(g_type_class_ref(SP_TYPE_OBJECT));
 116
 117     sp_object_class->release = ColorProfile::release;
 118     sp_object_class->build = ColorProfile::build;
 119     sp_object_class->set = ColorProfile::set;
 120     sp_object_class->write = ColorProfile::write;
 121 }
 122
 123 /**
 124  * Callback for ColorProfile object initialization.
 125  */
 126 void ColorProfile::init( ColorProfile *cprof )
 127 {
 128     cprof->href = 0;
 129     cprof->local = 0;
 130     cprof->name = 0;
 131     cprof->intentStr = 0;
 132     cprof->rendering_intent = Inkscape::RENDERING_INTENT_UNKNOWN;
 133 #if ENABLE_LCMS
 134     cprof->profHandle = 0;
 135     cprof->_profileClass = icSigInputClass;
 136     cprof->_profileSpace = icSigRgbData;
 137     cprof->_transf = 0;
 138     cprof->_revTransf = 0;
 139 #endif // ENABLE_LCMS
 140 }
 141
 142 /**
 143  * Callback: free object
 144  */
 145 void ColorProfile::release( SPObject *object )
 146 {
 147     // Unregister ourselves
 148     SPDocument* document = SP_OBJECT_DOCUMENT(object);
 149     if ( document ) {
 150         sp_document_remove_resource (SP_OBJECT_DOCUMENT (object), "iccprofile", SP_OBJECT (object));
 151     }
 152
 153     ColorProfile *cprof = COLORPROFILE(object);
 154     if ( cprof->href ) {
 155         g_free( cprof->href );
 156         cprof->href = 0;
 157     }
 158
 159     if ( cprof->local ) {
 160         g_free( cprof->local );
 161         cprof->local = 0;
 162     }
 163
 164     if ( cprof->name ) {
 165         g_free( cprof->name );
 166         cprof->name = 0;
 167     }
 168
 169     if ( cprof->intentStr ) {
 170         g_free( cprof->intentStr );
 171         cprof->intentStr = 0;
 172     }
 173
 174 #if ENABLE_LCMS
 175     cprof->_clearProfile();
 176 #endif // ENABLE_LCMS
 177 }
 178
 179 #if ENABLE_LCMS
 180 void ColorProfile::_clearProfile()
 181 {
 182     _profileSpace = icSigRgbData;
 183
 184     if ( _transf ) {
 185         cmsDeleteTransform( _transf );
 186         _transf = 0;
 187     }
 188     if ( _revTransf ) {
 189         cmsDeleteTransform( _revTransf );
 190         _revTransf = 0;
 191     }
 192     if ( profHandle ) {
 193         cmsCloseProfile( profHandle );
 194         profHandle = 0;
 195     }
 196 }
 197 #endif // ENABLE_LCMS
 198
 199 /**
 200  * Callback: set attributes from associated repr.
 201  */
 202 void ColorProfile::build( SPObject *object, SPDocument *document, Inkscape::XML::Node *repr )
 203 {
 204     ColorProfile *cprof = COLORPROFILE(object);
 205     g_assert(cprof->href == 0);
 206     g_assert(cprof->local == 0);
 207     g_assert(cprof->name == 0);
 208     g_assert(cprof->intentStr == 0);
 209
 210     if (cprof_parent_class->build) {
 211         (* cprof_parent_class->build)(object, document, repr);
 212     }
 213     sp_object_read_attr( object, "xlink:href" );
 214     sp_object_read_attr( object, "local" );
 215     sp_object_read_attr( object, "name" );
 216     sp_object_read_attr( object, "rendering-intent" );
 217
 218     // Register
 219     if ( document ) {
 220         sp_document_add_resource( document, "iccprofile", object );
 221     }
 222 }
 223
 224 /**
 225  * Callback: set attribute.
 226  */
 227 void ColorProfile::set( SPObject *object, unsigned key, gchar const *value )
 228 {
 229     ColorProfile *cprof = COLORPROFILE(object);
 230
 231     switch (key) {
 232         case SP_ATTR_XLINK_HREF:
 233             if ( cprof->href ) {
 234                 g_free( cprof->href );
 235                 cprof->href = 0;
 236             }
 237             if ( value ) {
 238                 cprof->href = g_strdup( value );
 239                 if ( *cprof->href ) {
 240 #if ENABLE_LCMS
 241                     cmsErrorAction( LCMS_ERROR_SHOW );
 242
 243                     // TODO open filename and URIs properly
 244                     //FILE* fp = fopen_utf8name( filename, "r" );
 245                     //LCMSAPI cmsHPROFILE   LCMSEXPORT cmsOpenProfileFromMem(LPVOID MemPtr, DWORD dwSize);
 246
 247                     // Try to open relative
 248                     SPDocument *doc = SP_OBJECT_DOCUMENT(object);
 249                     if (!doc) {
 250                         doc = SP_ACTIVE_DOCUMENT;
 251                         g_warning("object has no document.  using active");
 252                     }
 253                     //# 1.  Get complete URI of document
 254                     gchar const *docbase = SP_DOCUMENT_URI( doc );
 255                     if (!docbase)
 256                         {
 257                         g_warning("null docbase");
 258                         docbase = "";
 259                         }
 260                     //g_message("docbase:%s\n", docbase);
 261                     org::w3c::dom::URI docUri(docbase);
 262                     //# 2. Get href of icc file.  we don't care if it's rel or abs
 263                     org::w3c::dom::URI hrefUri(cprof->href);
 264                     //# 3.  Resolve the href according the docBase.  This follows
 265                     //      the w3c specs.  All absolute and relative issues are considered
 266                     org::w3c::dom::URI cprofUri = docUri.resolve(hrefUri);
 267                     gchar* fullname = (gchar *)cprofUri.getNativePath().c_str();
 268                     cprof->_clearProfile();
 269                     cprof->profHandle = cmsOpenProfileFromFile( fullname, "r" );
 270                     if ( cprof->profHandle ) {
 271                         cprof->_profileSpace = cmsGetColorSpace( cprof->profHandle );
 272                         cprof->_profileClass = cmsGetDeviceClass( cprof->profHandle );
 273                     }
 274 #ifdef DEBUG_LCMS
 275                     DEBUG_MESSAGE( lcmsOne, "cmsOpenProfileFromFile( '%s'...) = %p", fullname, (void*)cprof->profHandle );
 276 #endif // DEBUG_LCMS
 277
 278 #endif // ENABLE_LCMS
 279                 }
 280             }
 281             object->requestModified(SP_OBJECT_MODIFIED_FLAG);
 282             break;
 283
 284         case SP_ATTR_LOCAL:
 285             if ( cprof->local ) {
 286                 g_free( cprof->local );
 287                 cprof->local = 0;
 288             }
 289             cprof->local = g_strdup( value );
 290             object->requestModified(SP_OBJECT_MODIFIED_FLAG);
 291             break;
 292
 293         case SP_ATTR_NAME:
 294             if ( cprof->name ) {
 295                 g_free( cprof->name );
 296                 cprof->name = 0;
 297             }
 298             cprof->name = g_strdup( value );
 299 #ifdef DEBUG_LCMS
 300             DEBUG_MESSAGE( lcmsTwo, "<color-profile> name set to '%s'", cprof->name );
 301 #endif // DEBUG_LCMS
 302             object->requestModified(SP_OBJECT_MODIFIED_FLAG);
 303             break;
 304
 305         case SP_ATTR_RENDERING_INTENT:
 306             if ( cprof->intentStr ) {
 307                 g_free( cprof->intentStr );
 308                 cprof->intentStr = 0;
 309             }
 310             cprof->intentStr = g_strdup( value );
 311
 312             if ( value ) {
 313                 if ( strcmp( value, "auto" ) == 0 ) {
 314                     cprof->rendering_intent = RENDERING_INTENT_AUTO;
 315                 } else if ( strcmp( value, "perceptual" ) == 0 ) {
 316                     cprof->rendering_intent = RENDERING_INTENT_PERCEPTUAL;
 317                 } else if ( strcmp( value, "relative-colorimetric" ) == 0 ) {
 318                     cprof->rendering_intent = RENDERING_INTENT_RELATIVE_COLORIMETRIC;
 319                 } else if ( strcmp( value, "saturation" ) == 0 ) {
 320                     cprof->rendering_intent = RENDERING_INTENT_SATURATION;
 321                 } else if ( strcmp( value, "absolute-colorimetric" ) == 0 ) {
 322                     cprof->rendering_intent = RENDERING_INTENT_ABSOLUTE_COLORIMETRIC;
 323                 } else {
 324                     cprof->rendering_intent = RENDERING_INTENT_UNKNOWN;
 325                 }
 326             } else {
 327                 cprof->rendering_intent = RENDERING_INTENT_UNKNOWN;
 328             }
 329
 330             object->requestModified(SP_OBJECT_MODIFIED_FLAG);
 331             break;
 332
 333         default:
 334             if (cprof_parent_class->set) {
 335                 (* cprof_parent_class->set)(object, key, value);
 336             }
 337             break;
 338     }
 339
 340 }
 341
 342 /**
 343  * Callback: write attributes to associated repr.
 344  */
 345 Inkscape::XML::Node* ColorProfile::write( SPObject *object, Inkscape::XML::Node *repr, guint flags )
 346 {
 347     ColorProfile *cprof = COLORPROFILE(object);
 348
 349     if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) {
 350         Inkscape::XML::Document *xml_doc = sp_document_repr_doc(SP_OBJECT_DOCUMENT(object));
 351         repr = xml_doc->createElement("svg:color-profile");
 352     }
 353
 354     if ( (flags & SP_OBJECT_WRITE_ALL) || cprof->href ) {
 355         repr->setAttribute( "xlink:href", cprof->href );
 356     }
 357
 358     if ( (flags & SP_OBJECT_WRITE_ALL) || cprof->local ) {
 359         repr->setAttribute( "local", cprof->local );
 360     }
 361
 362     if ( (flags & SP_OBJECT_WRITE_ALL) || cprof->name ) {
 363         repr->setAttribute( "name", cprof->name );
 364     }
 365
 366     if ( (flags & SP_OBJECT_WRITE_ALL) || cprof->intentStr ) {
 367         repr->setAttribute( "rendering-intent", cprof->intentStr );
 368     }
 369
 370     if (cprof_parent_class->write) {
 371         (* cprof_parent_class->write)(object, repr, flags);
 372     }
 373
 374     return repr;
 375 }
 376
 377
 378 #if ENABLE_LCMS
 379
 380 struct MapMap {
 381     icColorSpaceSignature space;
 382     DWORD inForm;
 383 };
 384
 385 DWORD ColorProfile::_getInputFormat( icColorSpaceSignature space )
 386 {
 387     MapMap possible[] = {
 388         {icSigXYZData,   TYPE_XYZ_16},
 389         {icSigLabData,   TYPE_Lab_16},
 390         //icSigLuvData
 391         {icSigYCbCrData, TYPE_YCbCr_16},
 392         {icSigYxyData,   TYPE_Yxy_16},
 393         {icSigRgbData,   TYPE_RGB_16},
 394         {icSigGrayData,  TYPE_GRAY_16},
 395         {icSigHsvData,   TYPE_HSV_16},
 396         {icSigHlsData,   TYPE_HLS_16},
 397         {icSigCmykData,  TYPE_CMYK_16},
 398         {icSigCmyData,   TYPE_CMY_16},
 399     };
 400
 401     int index = 0;
 402     for ( guint i = 0; i < G_N_ELEMENTS(possible); i++ ) {
 403         if ( possible[i].space == space ) {
 404             index = i;
 405             break;
 406         }
 407     }
 408
 409     return possible[index].inForm;
 410 }
 411
 412 static int getLcmsIntent( guint svgIntent )
 413 {
 414     int intent = INTENT_PERCEPTUAL;
 415     switch ( svgIntent ) {
 416         case Inkscape::RENDERING_INTENT_RELATIVE_COLORIMETRIC:
 417             intent = INTENT_RELATIVE_COLORIMETRIC;
 418             break;
 419         case Inkscape::RENDERING_INTENT_SATURATION:
 420             intent = INTENT_SATURATION;
 421             break;
 422         case Inkscape::RENDERING_INTENT_ABSOLUTE_COLORIMETRIC:
 423             intent = INTENT_ABSOLUTE_COLORIMETRIC;
 424             break;
 425         case Inkscape::RENDERING_INTENT_PERCEPTUAL:
 426         case Inkscape::RENDERING_INTENT_UNKNOWN:
 427         case Inkscape::RENDERING_INTENT_AUTO:
 428         default:
 429             intent = INTENT_PERCEPTUAL;
 430     }
 431     return intent;
 432 }
 433
 434 static SPObject* bruteFind( SPDocument* document, gchar const* name )
 435 {
 436     SPObject* result = 0;
 437     const GSList * current = sp_document_get_resource_list(document, "iccprofile");
 438     while ( current && !result ) {
 439         if ( IS_COLORPROFILE(current->data) ) {
 440             ColorProfile* prof = COLORPROFILE(current->data);
 441             if ( prof ) {
 442                 if ( prof->name && (strcmp(prof->name, name) == 0) ) {
 443                     result = SP_OBJECT(current->data);
 444                     break;
 445                 }
 446             }
 447         }
 448         current = g_slist_next(current);
 449     }
 450
 451     return result;
 452 }
 453
 454 cmsHPROFILE Inkscape::colorprofile_get_handle( SPDocument* document, guint* intent, gchar const* name )
 455 {
 456     cmsHPROFILE prof = 0;
 457
 458     SPObject* thing = bruteFind( document, name );
 459     if ( thing ) {
 460         prof = COLORPROFILE(thing)->profHandle;
 461     }
 462
 463     if ( intent ) {
 464         *intent = thing ? COLORPROFILE(thing)->rendering_intent : (guint)RENDERING_INTENT_UNKNOWN;
 465     }
 466
 467 #ifdef DEBUG_LCMS
 468     DEBUG_MESSAGE( lcmsThree, "<color-profile> queried for profile of '%s'. Returning %p with intent of %d", name, prof, (intent? *intent:0) );
 469 #endif // DEBUG_LCMS
 470
 471     return prof;
 472 }
 473
 474 cmsHTRANSFORM ColorProfile::getTransfToSRGB8()
 475 {
 476     if ( !_transf ) {
 477         int intent = getLcmsIntent(rendering_intent);
 478         _transf = cmsCreateTransform( profHandle, _getInputFormat(_profileSpace), getSRGBProfile(), TYPE_RGBA_8, intent, 0 );
 479     }
 480     return _transf;
 481 }
 482
 483 cmsHTRANSFORM ColorProfile::getTransfFromSRGB8()
 484 {
 485     if ( !_revTransf ) {
 486         int intent = getLcmsIntent(rendering_intent);
 487         _revTransf = cmsCreateTransform( getSRGBProfile(), TYPE_RGBA_8, profHandle, _getInputFormat(_profileSpace), intent, 0 );
 488     }
 489     return _revTransf;
 490 }
 491
 492
 493 #include <io/sys.h>
 494
 495 class ProfileInfo
 496 {
 497 public:
 498     ProfileInfo( cmsHPROFILE, Glib::ustring const & path );
 499
 500     Glib::ustring const& getName() {return _name;}
 501     Glib::ustring const& getPath() {return _path;}
 502     icColorSpaceSignature getSpace() {return _profileSpace;}
 503     icProfileClassSignature getClass() {return _profileClass;}
 504
 505 private:
 506     Glib::ustring _path;
 507     Glib::ustring _name;
 508     icColorSpaceSignature _profileSpace;
 509     icProfileClassSignature _profileClass;
 510 };
 511
 512
 513 ProfileInfo::ProfileInfo( cmsHPROFILE prof, Glib::ustring const & path )
 514 {
 515     _path = path;
 516     _name = cmsTakeProductDesc(prof);
 517     _profileSpace = cmsGetColorSpace( prof );
 518     _profileClass = cmsGetDeviceClass( prof );
 519 }
 520
 521
 522
 523 static std::vector<ProfileInfo> knownProfiles;
 524
 525 std::vector<Glib::ustring> Inkscape::colorprofile_get_display_names()
 526 {
 527     std::vector<Glib::ustring> result;
 528
 529     for ( std::vector<ProfileInfo>::iterator it = knownProfiles.begin(); it != knownProfiles.end(); ++it ) {
 530         if ( it->getClass() == icSigDisplayClass && it->getSpace() == icSigRgbData ) {
 531             result.push_back( it->getName() );
 532         }
 533     }
 534
 535     return result;
 536 }
 537
 538 std::vector<Glib::ustring> Inkscape::colorprofile_get_softproof_names()
 539 {
 540     std::vector<Glib::ustring> result;
 541
 542     for ( std::vector<ProfileInfo>::iterator it = knownProfiles.begin(); it != knownProfiles.end(); ++it ) {
 543         if ( it->getClass() == icSigOutputClass ) {
 544             result.push_back( it->getName() );
 545         }
 546     }
 547
 548     return result;
 549 }
 550
 551 Glib::ustring Inkscape::get_path_for_profile(Glib::ustring const& name)
 552 {
 553     Glib::ustring result;
 554
 555     for ( std::vector<ProfileInfo>::iterator it = knownProfiles.begin(); it != knownProfiles.end(); ++it ) {
 556         if ( name == it->getName() ) {
 557             result = it->getPath();
 558             break;
 559         }
 560     }
 561
 562     return result;
 563 }
 564
 565 static void findThings() {
 566     std::list<gchar *> sources;
 567
 568     gchar* base = profile_path("XXX");
 569     {
 570         gchar* base2 = g_path_get_dirname(base);
 571         g_free(base);
 572         base = base2;
 573         base2 = g_path_get_dirname(base);
 574         g_free(base);
 575         base = base2;
 576     }
 577
 578     // first try user's local dir
 579     sources.push_back( g_build_filename(g_get_user_data_dir(), "color", "icc", NULL) );
 580     sources.push_back( g_build_filename(base, ".color", "icc", NULL) ); // OpenICC recommends to deprecate this
 581
 582     const gchar* const * dataDirs = g_get_system_data_dirs();
 583     for ( int i = 0; dataDirs[i]; i++ ) {
 584         sources.push_back(g_build_filename(dataDirs[i], "color", "icc", NULL));
 585     }
 586
 587     while (!sources.empty()) {
 588         gchar *dirname = sources.front();
 589         if ( g_file_test( dirname, G_FILE_TEST_EXISTS ) && g_file_test( dirname, G_FILE_TEST_IS_DIR ) ) {
 590             GError *err = 0;
 591             GDir *dir = g_dir_open(dirname, 0, &err);
 592
 593             if (dir) {
 594                 for (gchar const *file = g_dir_read_name(dir); file != NULL; file = g_dir_read_name(dir)) {
 595                     gchar *filepath = g_build_filename(dirname, file, NULL);
 596
 597
 598                     if ( g_file_test( filepath, G_FILE_TEST_IS_DIR ) ) {
 599                         sources.push_back(g_strdup(filepath));
 600                     } else {
 601                         bool isIccFile = false;
 602                         struct stat st;
 603                         if ( g_stat(filepath, &st) == 0 && (st.st_size > 128) ) {
 604                             //0-3 == size
 605                             //36-39 == 'acsp' 0x61637370
 606                             int fd = g_open( filepath, O_RDONLY, S_IRWXU);
 607                             if ( fd != -1 ) {
 608                                 guchar scratch[40] = {0};
 609                                 size_t len = sizeof(scratch);
 610
 611                                 //size_t left = 40;
 612                                 ssize_t got = read(fd, scratch, len);
 613                                 if ( got != -1 ) {
 614                                     size_t calcSize = (scratch[0] << 24) | (scratch[1] << 16) | (scratch[2] << 8) | scratch[3];
 615                                     if ( calcSize > 128 && calcSize <= static_cast<size_t>(st.st_size) ) {
 616                                         isIccFile = (scratch[36] == 'a') && (scratch[37] == 'c') && (scratch[38] == 's') && (scratch[39] == 'p');
 617                                     }
 618                                 }
 619
 620                                 close(fd);
 621                             }
 622                         }
 623
 624                         if ( isIccFile ) {
 625                             cmsHPROFILE prof = cmsOpenProfileFromFile( filepath, "r" );
 626                             if ( prof ) {
 627                                 ProfileInfo info( prof, Glib::filename_to_utf8( filepath ) );
 628                                 cmsCloseProfile( prof );
 629
 630                                 bool sameName = false;
 631                                 for ( std::vector<ProfileInfo>::iterator it = knownProfiles.begin(); it != knownProfiles.end(); ++it ) {
 632                                     if ( it->getName() == info.getName() ) {
 633                                         sameName = true;
 634                                         break;
 635                                     }
 636                                 }
 637
 638                                 if ( !sameName ) {
 639                                     knownProfiles.push_back(info);
 640                                 }
 641                             }
 642                         }
 643                     }
 644
 645                     g_free(filepath);
 646                 }
 647             }
 648         }
 649
 650         // toss the dirname
 651         g_free(dirname);
 652         sources.pop_front();
 653     }
 654 }
 655
 656 int errorHandlerCB(int ErrorCode, const char *ErrorText)
 657 {
 658     g_message("lcms: Error %d; %s", ErrorCode, ErrorText);
 659
 660     return 1;
 661 }
 662
 663 static bool gamutWarn = false;
 664 static Gdk::Color lastGamutColor("#808080");
 665 static bool lastBPC = false;
 666 #if defined(cmsFLAGS_PRESERVEBLACK)
 667 static bool lastPreserveBlack = false;
 668 #endif // defined(cmsFLAGS_PRESERVEBLACK)
 669 static int lastIntent = INTENT_PERCEPTUAL;
 670 static int lastProofIntent = INTENT_PERCEPTUAL;
 671 static cmsHTRANSFORM transf = 0;
 672
 673 cmsHPROFILE Inkscape::colorprofile_get_system_profile_handle()
 674 {
 675     static cmsHPROFILE theOne = 0;
 676     static std::string lastURI;
 677
 678     static bool init = false;
 679     if ( !init ) {
 680         cmsSetErrorHandler(errorHandlerCB);
 681
 682         findThings();
 683         init = true;
 684     }
 685
 686     gchar const * uri = prefs_get_string_attribute("options.displayprofile", "uri");
 687
 688     if ( uri && *uri ) {
 689         if ( lastURI != std::string(uri) ) {
 690             lastURI.clear();
 691             if ( theOne ) {
 692                 cmsCloseProfile( theOne );
 693             }
 694             if ( transf ) {
 695                 cmsDeleteTransform( transf );
 696                 transf = 0;
 697             }
 698             theOne = cmsOpenProfileFromFile( uri, "r" );
 699             if ( theOne ) {
 700                 // a display profile must have the proper stuff
 701                 icColorSpaceSignature space = cmsGetColorSpace(theOne);
 702                 icProfileClassSignature profClass = cmsGetDeviceClass(theOne);
 703
 704                 if ( profClass != icSigDisplayClass ) {
 705                     g_warning("Not a display profile");
 706                     cmsCloseProfile( theOne );
 707                     theOne = 0;
 708                 } else if ( space != icSigRgbData ) {
 709                     g_warning("Not an RGB profile");
 710                     cmsCloseProfile( theOne );
 711                     theOne = 0;
 712                 } else {
 713                     lastURI = uri;
 714                 }
 715             }
 716         }
 717     } else if ( theOne ) {
 718         cmsCloseProfile( theOne );
 719         theOne = 0;
 720         lastURI.clear();
 721         if ( transf ) {
 722             cmsDeleteTransform( transf );
 723             transf = 0;
 724         }
 725     }
 726
 727     return theOne;
 728 }
 729
 730
 731 cmsHPROFILE Inkscape::colorprofile_get_proof_profile_handle()
 732 {
 733     static cmsHPROFILE theOne = 0;
 734     static std::string lastURI;
 735
 736     static bool init = false;
 737     if ( !init ) {
 738         cmsSetErrorHandler(errorHandlerCB);
 739
 740         findThings();
 741         init = true;
 742     }
 743
 744     long long int which = prefs_get_int_attribute_limited( "options.softproof", "enable", 0, 0, 1 );
 745     gchar const * uri = prefs_get_string_attribute("options.softproof", "uri");
 746
 747     if ( which && uri && *uri ) {
 748         if ( lastURI != std::string(uri) ) {
 749             lastURI.clear();
 750             if ( theOne ) {
 751                 cmsCloseProfile( theOne );
 752             }
 753             if ( transf ) {
 754                 cmsDeleteTransform( transf );
 755                 transf = 0;
 756             }
 757             theOne = cmsOpenProfileFromFile( uri, "r" );
 758             if ( theOne ) {
 759                 // a display profile must have the proper stuff
 760                 icColorSpaceSignature space = cmsGetColorSpace(theOne);
 761                 icProfileClassSignature profClass = cmsGetDeviceClass(theOne);
 762
 763                 (void)space;
 764                 (void)profClass;
 765 /*
 766                 if ( profClass != icSigDisplayClass ) {
 767                     g_warning("Not a display profile");
 768                     cmsCloseProfile( theOne );
 769                     theOne = 0;
 770                 } else if ( space != icSigRgbData ) {
 771                     g_warning("Not an RGB profile");
 772                     cmsCloseProfile( theOne );
 773                     theOne = 0;
 774                 } else {
 775 */
 776                     lastURI = uri;
 777 /*
 778                 }
 779 */
 780             }
 781         }
 782     } else if ( theOne ) {
 783         cmsCloseProfile( theOne );
 784         theOne = 0;
 785         lastURI.clear();
 786         if ( transf ) {
 787             cmsDeleteTransform( transf );
 788             transf = 0;
 789         }
 790     }
 791
 792     return theOne;
 793 }
 794
 795 static void free_transforms();
 796
 797 cmsHTRANSFORM Inkscape::colorprofile_get_display_transform()
 798 {
 799     long long int fromDisplay = prefs_get_int_attribute_limited( "options.displayprofile", "from_display", 0, 0, 1 );
 800     if ( fromDisplay ) {
 801         if ( transf ) {
 802             cmsDeleteTransform(transf);
 803             transf = 0;
 804         }
 805         return 0;
 806     }
 807
 808     bool warn = prefs_get_int_attribute_limited( "options.softproof", "gamutwarn", 0, 0, 1 );
 809     int intent = prefs_get_int_attribute_limited( "options.displayprofile", "intent", 0, 0, 3 );
 810     int proofIntent = prefs_get_int_attribute_limited( "options.softproof", "intent", 0, 0, 3 );
 811     bool bpc = prefs_get_int_attribute_limited( "options.softproof", "bpc", 0, 0, 1 );
 812 #if defined(cmsFLAGS_PRESERVEBLACK)
 813     bool preserveBlack = prefs_get_int_attribute_limited( "options.softproof", "preserveblack", 0, 0, 1 );
 814 #endif //defined(cmsFLAGS_PRESERVEBLACK)
 815     gchar const* colorStr = prefs_get_string_attribute("options.softproof", "gamutcolor");
 816     Gdk::Color gamutColor( (colorStr && colorStr[0]) ? colorStr : "#808080");
 817
 818     if ( (warn != gamutWarn)
 819          || (lastIntent != intent)
 820          || (lastProofIntent != proofIntent)
 821          || (bpc != lastBPC)
 822 #if defined(cmsFLAGS_PRESERVEBLACK)
 823          || (preserveBlack != lastPreserveBlack)
 824 #endif // defined(cmsFLAGS_PRESERVEBLACK)
 825          || (gamutColor != lastGamutColor)
 826         ) {
 827         gamutWarn = warn;
 828         free_transforms();
 829         lastIntent = intent;
 830         lastProofIntent = proofIntent;
 831         lastBPC = bpc;
 832 #if defined(cmsFLAGS_PRESERVEBLACK)
 833         lastPreserveBlack = preserveBlack;
 834 #endif // defined(cmsFLAGS_PRESERVEBLACK)
 835         lastGamutColor = gamutColor;
 836     }
 837
 838     // Fetch these now, as they might clear the transform as a side effect.
 839     cmsHPROFILE hprof = Inkscape::colorprofile_get_system_profile_handle();
 840     cmsHPROFILE proofProf = hprof ? Inkscape::colorprofile_get_proof_profile_handle() : 0;
 841
 842     if ( !transf ) {
 843         if ( hprof && proofProf ) {
 844             DWORD dwFlags = cmsFLAGS_SOFTPROOFING;
 845             if ( gamutWarn ) {
 846                 dwFlags |= cmsFLAGS_GAMUTCHECK;
 847                 cmsSetAlarmCodes(gamutColor.get_red() >> 8, gamutColor.get_green() >> 8, gamutColor.get_blue() >> 8);
 848             }
 849             if ( bpc ) {
 850                 dwFlags |= cmsFLAGS_BLACKPOINTCOMPENSATION;
 851             }
 852 #if defined(cmsFLAGS_PRESERVEBLACK)
 853             if ( preserveBlack ) {
 854                 dwFlags |= cmsFLAGS_PRESERVEBLACK;
 855             }
 856 #endif // defined(cmsFLAGS_PRESERVEBLACK)
 857             transf = cmsCreateProofingTransform( ColorProfile::getSRGBProfile(), TYPE_RGB_8, hprof, TYPE_RGB_8, proofProf, intent, proofIntent, dwFlags );
 858         } else if ( hprof ) {
 859             transf = cmsCreateTransform( ColorProfile::getSRGBProfile(), TYPE_RGB_8, hprof, TYPE_RGB_8, intent, 0 );
 860         }
 861     }
 862
 863     return transf;
 864 }
 865
 866
 867 class MemProfile {
 868 public:
 869     MemProfile();
 870     ~MemProfile();
 871
 872     std::string id;
 873     cmsHPROFILE hprof;
 874     cmsHTRANSFORM transf;
 875 };
 876
 877 MemProfile::MemProfile() :
 878     id(),
 879     hprof(0),
 880     transf(0)
 881 {
 882 }
 883
 884 MemProfile::~MemProfile()
 885 {
 886 }
 887
 888 static std::vector< std::vector<MemProfile> > perMonitorProfiles;
 889
 890 void free_transforms()
 891 {
 892     if ( transf ) {
 893         cmsDeleteTransform(transf);
 894         transf = 0;
 895     }
 896
 897     for ( std::vector< std::vector<MemProfile> >::iterator it = perMonitorProfiles.begin(); it != perMonitorProfiles.end(); ++it ) {
 898         for ( std::vector<MemProfile>::iterator it2 = it->begin(); it2 != it->end(); ++it2 ) {
 899             if ( it2->transf ) {
 900                 cmsDeleteTransform(it2->transf);
 901                 it2->transf = 0;
 902             }
 903         }
 904     }
 905 }
 906
 907 Glib::ustring Inkscape::colorprofile_get_display_id( int screen, int monitor )
 908 {
 909     Glib::ustring id;
 910
 911     if ( screen >= 0 && screen < static_cast<int>(perMonitorProfiles.size()) ) {
 912         std::vector<MemProfile>& row = perMonitorProfiles[screen];
 913         if ( monitor >= 0 && monitor < static_cast<int>(row.size()) ) {
 914             MemProfile& item = row[monitor];
 915             id = item.id;
 916         }
 917     }
 918
 919     return id;
 920 }
 921
 922 Glib::ustring Inkscape::colorprofile_set_display_per( gpointer buf, guint bufLen, int screen, int monitor )
 923 {
 924     Glib::ustring id;
 925
 926     while ( static_cast<int>(perMonitorProfiles.size()) <= screen ) {
 927         std::vector<MemProfile> tmp;
 928         perMonitorProfiles.push_back(tmp);
 929     }
 930     std::vector<MemProfile>& row = perMonitorProfiles[screen];
 931     while ( static_cast<int>(row.size()) <= monitor ) {
 932         MemProfile tmp;
 933         row.push_back(tmp);
 934     }
 935     MemProfile& item = row[monitor];
 936
 937     if ( item.hprof ) {
 938         cmsCloseProfile( item.hprof );
 939         item.hprof = 0;
 940     }
 941     id.clear();
 942
 943     if ( buf && bufLen ) {
 944         id = Digest::hashHex(Digest::HASH_MD5,
 945                    reinterpret_cast<unsigned char*>(buf), bufLen);
 946
 947         // Note: if this is not a valid profile, item.hprof will be set to null.
 948         item.hprof = cmsOpenProfileFromMem(buf, bufLen);
 949     }
 950     item.id = id;
 951
 952     return id;
 953 }
 954
 955 cmsHTRANSFORM Inkscape::colorprofile_get_display_per( Glib::ustring const& id )
 956 {
 957     cmsHTRANSFORM result = 0;
 958     if ( id.empty() ) {
 959         return 0;
 960     }
 961
 962     bool found = false;
 963     for ( std::vector< std::vector<MemProfile> >::iterator it = perMonitorProfiles.begin(); it != perMonitorProfiles.end() && !found; ++it ) {
 964         for ( std::vector<MemProfile>::iterator it2 = it->begin(); it2 != it->end() && !found; ++it2 ) {
 965             if ( id == it2->id ) {
 966                 MemProfile& item = *it2;
 967
 968                 bool warn = prefs_get_int_attribute_limited( "options.softproof", "gamutwarn", 0, 0, 1 );
 969                 int intent = prefs_get_int_attribute_limited( "options.displayprofile", "intent", 0, 0, 3 );
 970                 int proofIntent = prefs_get_int_attribute_limited( "options.softproof", "intent", 0, 0, 3 );
 971                 bool bpc = prefs_get_int_attribute_limited( "options.softproof", "bpc", 0, 0, 1 );
 972 #if defined(cmsFLAGS_PRESERVEBLACK)
 973                 bool preserveBlack = prefs_get_int_attribute_limited( "options.softproof", "preserveblack", 0, 0, 1 );
 974 #endif //defined(cmsFLAGS_PRESERVEBLACK)
 975                 gchar const* colorStr = prefs_get_string_attribute("options.softproof", "gamutcolor");
 976                 Gdk::Color gamutColor( (colorStr && colorStr[0]) ? colorStr : "#808080");
 977
 978                 if ( (warn != gamutWarn)
 979                      || (lastIntent != intent)
 980                      || (lastProofIntent != proofIntent)
 981                      || (bpc != lastBPC)
 982 #if defined(cmsFLAGS_PRESERVEBLACK)
 983                      || (preserveBlack != lastPreserveBlack)
 984 #endif // defined(cmsFLAGS_PRESERVEBLACK)
 985                      || (gamutColor != lastGamutColor)
 986                     ) {
 987                     gamutWarn = warn;
 988                     free_transforms();
 989                     lastIntent = intent;
 990                     lastProofIntent = proofIntent;
 991                     lastBPC = bpc;
 992 #if defined(cmsFLAGS_PRESERVEBLACK)
 993                     lastPreserveBlack = preserveBlack;
 994 #endif // defined(cmsFLAGS_PRESERVEBLACK)
 995                     lastGamutColor = gamutColor;
 996                 }
 997
 998                 // Fetch these now, as they might clear the transform as a side effect.
 999                 cmsHPROFILE proofProf = item.hprof ? Inkscape::colorprofile_get_proof_profile_handle() : 0;
1000
1001                 if ( !item.transf ) {
1002                     if ( item.hprof && proofProf ) {
1003                         DWORD dwFlags = cmsFLAGS_SOFTPROOFING;
1004                         if ( gamutWarn ) {
1005                             dwFlags |= cmsFLAGS_GAMUTCHECK;
1006                             cmsSetAlarmCodes(gamutColor.get_red() >> 8, gamutColor.get_green() >> 8, gamutColor.get_blue() >> 8);
1007                         }
1008                         if ( bpc ) {
1009                             dwFlags |= cmsFLAGS_BLACKPOINTCOMPENSATION;
1010                         }
1011 #if defined(cmsFLAGS_PRESERVEBLACK)
1012                         if ( preserveBlack ) {
1013                             dwFlags |= cmsFLAGS_PRESERVEBLACK;
1014                         }
1015 #endif // defined(cmsFLAGS_PRESERVEBLACK)
1016                         item.transf = cmsCreateProofingTransform( ColorProfile::getSRGBProfile(), TYPE_RGB_8, item.hprof, TYPE_RGB_8, proofProf, intent, proofIntent, dwFlags );
1017                     } else if ( item.hprof ) {
1018                         item.transf = cmsCreateTransform( ColorProfile::getSRGBProfile(), TYPE_RGB_8, item.hprof, TYPE_RGB_8, intent, 0 );
1019                     }
1020                 }
1021
1022                 result = item.transf;
1023                 found = true;
1024             }
1025         }
1026     }
1027
1028     return result;
1029 }
1030
1031
1032
1033 #endif // ENABLE_LCMS
1034
1035 /*
1036   Local Variables:
1037   mode:c++
1038   c-file-style:"stroustrup"
1039   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1040   indent-tabs-mode:nil
1041   fill-column:99
1042   End:
1043 */
1044 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :