src/color-profile.cpp

   1
   2
   3 #include "xml/repr.h"
   4 #include "color-profile.h"
   5 #include "color-profile-fns.h"
   6 #include "attributes.h"
   7 #include "inkscape.h"
   8 #include "document.h"
   9 #include "prefs-utils.h"
  10
  11 #include "dom/uri.h"
  12
  13 //#define DEBUG_LCMS
  14
  15 #include <glib/gstdio.h>
  16 #include <sys/fcntl.h>
  17 #include <gdkmm/color.h>
  18
  19 #ifdef DEBUG_LCMS
  20 #include <gtk/gtkmessagedialog.h>
  21 #endif // DEBUG_LCMS
  22
  23 using Inkscape::ColorProfile;
  24 using Inkscape::ColorProfileClass;
  25
  26 namespace Inkscape
  27 {
  28 static void colorprofile_class_init( ColorProfileClass *klass );
  29 static void colorprofile_init( ColorProfile *cprof );
  30
  31 static void colorprofile_release( SPObject *object );
  32 static void colorprofile_build( SPObject *object, SPDocument *document, Inkscape::XML::Node *repr );
  33 static void colorprofile_set( SPObject *object, unsigned key, gchar const *value );
  34 static Inkscape::XML::Node *colorprofile_write( SPObject *object, Inkscape::XML::Node *repr, guint flags );
  35
  36 #if ENABLE_LCMS
  37 static cmsHPROFILE colorprofile_get_system_profile_handle();
  38 static cmsHPROFILE colorprofile_get_proof_profile_handle();
  39 #endif // ENABLE_LCMS
  40 }
  41
  42 #ifdef DEBUG_LCMS
  43 extern guint update_in_progress;
  44 #define DEBUG_MESSAGE(key, ...) \
  45 {\
  46     gint dump = prefs_get_int_attribute_limited("options.scislac", #key, 0, 0, 1);\
  47     gint dumpD = prefs_get_int_attribute_limited("options.scislac", #key"D", 0, 0, 1);\
  48     gint dumpD2 = prefs_get_int_attribute_limited("options.scislac", #key"D2", 0, 0, 1);\
  49     dumpD &= ( (update_in_progress == 0) || dumpD2 );\
  50     if ( dump )\
  51     {\
  52         g_message( __VA_ARGS__ );\
  53 \
  54     }\
  55     if ( dumpD )\
  56     {\
  57         GtkWidget *dialog = gtk_message_dialog_new(NULL,\
  58                                                    GTK_DIALOG_DESTROY_WITH_PARENT, \
  59                                                    GTK_MESSAGE_INFO,    \
  60                                                    GTK_BUTTONS_OK,      \
  61                                                    __VA_ARGS__          \
  62                                                    );\
  63         g_signal_connect_swapped(dialog, "response",\
  64                                  G_CALLBACK(gtk_widget_destroy),        \
  65                                  dialog);                               \
  66         gtk_widget_show_all( dialog );\
  67     }\
  68 }
  69 #endif // DEBUG_LCMS
  70
  71 static SPObject *cprof_parent_class;
  72
  73 /**
  74  * Register ColorProfile class and return its type.
  75  */
  76 GType Inkscape::colorprofile_get_type()
  77 {
  78     static GType type = 0;
  79     if (!type) {
  80         GTypeInfo info = {
  81             sizeof(ColorProfileClass),
  82             NULL, NULL,
  83             (GClassInitFunc) colorprofile_class_init,
  84             NULL, NULL,
  85             sizeof(ColorProfile),
  86             16,
  87             (GInstanceInitFunc) colorprofile_init,
  88             NULL,   /* value_table */
  89         };
  90         type = g_type_register_static( SP_TYPE_OBJECT, "ColorProfile", &info, static_cast<GTypeFlags>(0) );
  91     }
  92     return type;
  93 }
  94
  95 /**
  96  * ColorProfile vtable initialization.
  97  */
  98 static void Inkscape::colorprofile_class_init( ColorProfileClass *klass )
  99 {
 100     SPObjectClass *sp_object_class = reinterpret_cast<SPObjectClass *>(klass);
 101
 102     cprof_parent_class = static_cast<SPObject*>(g_type_class_ref(SP_TYPE_OBJECT));
 103
 104     sp_object_class->release = colorprofile_release;
 105     sp_object_class->build = colorprofile_build;
 106     sp_object_class->set = colorprofile_set;
 107     sp_object_class->write = colorprofile_write;
 108 }
 109
 110 /**
 111  * Callback for ColorProfile object initialization.
 112  */
 113 static void Inkscape::colorprofile_init( ColorProfile *cprof )
 114 {
 115     cprof->href = 0;
 116     cprof->local = 0;
 117     cprof->name = 0;
 118     cprof->intentStr = 0;
 119     cprof->rendering_intent = Inkscape::RENDERING_INTENT_UNKNOWN;
 120 #if ENABLE_LCMS
 121     cprof->profHandle = 0;
 122 #endif // ENABLE_LCMS
 123 }
 124
 125 /**
 126  * Callback: free object
 127  */
 128 static void Inkscape::colorprofile_release( SPObject *object )
 129 {
 130     ColorProfile *cprof = COLORPROFILE(object);
 131     if ( cprof->href ) {
 132         g_free( cprof->href );
 133         cprof->href = 0;
 134     }
 135
 136     if ( cprof->local ) {
 137         g_free( cprof->local );
 138         cprof->local = 0;
 139     }
 140
 141     if ( cprof->name ) {
 142         g_free( cprof->name );
 143         cprof->name = 0;
 144     }
 145
 146     if ( cprof->intentStr ) {
 147         g_free( cprof->intentStr );
 148         cprof->intentStr = 0;
 149     }
 150
 151 #if ENABLE_LCMS
 152     if ( cprof->profHandle ) {
 153         cmsCloseProfile( cprof->profHandle );
 154         cprof->profHandle = 0;
 155     }
 156 #endif // ENABLE_LCMS
 157 }
 158
 159 /**
 160  * Callback: set attributes from associated repr.
 161  */
 162 static void Inkscape::colorprofile_build( SPObject *object, SPDocument *document, Inkscape::XML::Node *repr )
 163 {
 164     ColorProfile *cprof = COLORPROFILE(object);
 165     g_assert(cprof->href == 0);
 166     g_assert(cprof->local == 0);
 167     g_assert(cprof->name == 0);
 168     g_assert(cprof->intentStr == 0);
 169
 170     if (((SPObjectClass *) cprof_parent_class)->build) {
 171         (* ((SPObjectClass *) cprof_parent_class)->build)(object, document, repr);
 172     }
 173     sp_object_read_attr( object, "xlink:href" );
 174     sp_object_read_attr( object, "local" );
 175     sp_object_read_attr( object, "name" );
 176     sp_object_read_attr( object, "rendering-intent" );
 177 }
 178
 179 /**
 180  * Callback: set attribute.
 181  */
 182 static void Inkscape::colorprofile_set( SPObject *object, unsigned key, gchar const *value )
 183 {
 184     ColorProfile *cprof = COLORPROFILE(object);
 185
 186     switch (key) {
 187         case SP_ATTR_XLINK_HREF:
 188             if ( cprof->href ) {
 189                 g_free( cprof->href );
 190                 cprof->href = 0;
 191             }
 192             if ( value ) {
 193                 cprof->href = g_strdup( value );
 194                 if ( *cprof->href ) {
 195 #if ENABLE_LCMS
 196                     cmsErrorAction( LCMS_ERROR_SHOW );
 197
 198                     // TODO open filename and URIs properly
 199                     //FILE* fp = fopen_utf8name( filename, "r" );
 200                     //LCMSAPI cmsHPROFILE   LCMSEXPORT cmsOpenProfileFromMem(LPVOID MemPtr, DWORD dwSize);
 201
 202                     // Try to open relative
 203                     SPDocument *doc = SP_OBJECT_DOCUMENT(object);
 204                     if (!doc) {
 205                         doc = SP_ACTIVE_DOCUMENT;
 206                         g_warning("object has no document.  using active");
 207                     }
 208                     //# 1.  Get complete URI of document
 209                     gchar const *docbase = SP_DOCUMENT_URI( doc );
 210                     if (!docbase)
 211                         {
 212                         g_warning("null docbase");
 213                         docbase = "";
 214                         }
 215                     //g_message("docbase:%s\n", docbase);
 216                     org::w3c::dom::URI docUri(docbase);
 217                     //# 2. Get href of icc file.  we don't care if it's rel or abs
 218                     org::w3c::dom::URI hrefUri(cprof->href);
 219                     //# 3.  Resolve the href according the docBase.  This follows
 220                     //      the w3c specs.  All absolute and relative issues are considered
 221                     org::w3c::dom::URI cprofUri = docUri.resolve(hrefUri);
 222                     gchar* fullname = (gchar *)cprofUri.getNativePath().c_str();
 223                     cprof->profHandle = cmsOpenProfileFromFile( fullname, "r" );
 224 #ifdef DEBUG_LCMS
 225                     DEBUG_MESSAGE( lcmsOne, "cmsOpenProfileFromFile( '%s'...) = %p", fullname, (void*)cprof->profHandle );
 226 #endif // DEBUG_LCMS
 227
 228 #endif // ENABLE_LCMS
 229                 }
 230             }
 231             object->requestModified(SP_OBJECT_MODIFIED_FLAG);
 232             break;
 233
 234         case SP_ATTR_LOCAL:
 235             if ( cprof->local ) {
 236                 g_free( cprof->local );
 237                 cprof->local = 0;
 238             }
 239             cprof->local = g_strdup( value );
 240             object->requestModified(SP_OBJECT_MODIFIED_FLAG);
 241             break;
 242
 243         case SP_ATTR_NAME:
 244             if ( cprof->name ) {
 245                 g_free( cprof->name );
 246                 cprof->name = 0;
 247             }
 248             cprof->name = g_strdup( value );
 249 #ifdef DEBUG_LCMS
 250             DEBUG_MESSAGE( lcmsTwo, "<color-profile> name set to '%s'", cprof->name );
 251 #endif // DEBUG_LCMS
 252             object->requestModified(SP_OBJECT_MODIFIED_FLAG);
 253             break;
 254
 255         case SP_ATTR_RENDERING_INTENT:
 256             if ( cprof->intentStr ) {
 257                 g_free( cprof->intentStr );
 258                 cprof->intentStr = 0;
 259             }
 260             cprof->intentStr = g_strdup( value );
 261
 262             if ( value ) {
 263                 if ( strcmp( value, "auto" ) == 0 ) {
 264                     cprof->rendering_intent = RENDERING_INTENT_AUTO;
 265                 } else if ( strcmp( value, "perceptual" ) == 0 ) {
 266                     cprof->rendering_intent = RENDERING_INTENT_PERCEPTUAL;
 267                 } else if ( strcmp( value, "relative-colorimetric" ) == 0 ) {
 268                     cprof->rendering_intent = RENDERING_INTENT_RELATIVE_COLORIMETRIC;
 269                 } else if ( strcmp( value, "saturation" ) == 0 ) {
 270                     cprof->rendering_intent = RENDERING_INTENT_SATURATION;
 271                 } else if ( strcmp( value, "absolute-colorimetric" ) == 0 ) {
 272                     cprof->rendering_intent = RENDERING_INTENT_ABSOLUTE_COLORIMETRIC;
 273                 } else {
 274                     cprof->rendering_intent = RENDERING_INTENT_UNKNOWN;
 275                 }
 276             } else {
 277                 cprof->rendering_intent = RENDERING_INTENT_UNKNOWN;
 278             }
 279
 280             object->requestModified(SP_OBJECT_MODIFIED_FLAG);
 281             break;
 282
 283         default:
 284             if (((SPObjectClass *) cprof_parent_class)->set) {
 285                 (* ((SPObjectClass *) cprof_parent_class)->set)(object, key, value);
 286             }
 287             break;
 288     }
 289
 290 }
 291
 292 /**
 293  * Callback: write attributes to associated repr.
 294  */
 295 static Inkscape::XML::Node* Inkscape::colorprofile_write( SPObject *object, Inkscape::XML::Node *repr, guint flags )
 296 {
 297     ColorProfile *cprof = COLORPROFILE(object);
 298
 299     if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) {
 300         Inkscape::XML::Document *xml_doc = sp_document_repr_doc(SP_OBJECT_DOCUMENT(object));
 301         repr = xml_doc->createElement("svg:color-profile");
 302     }
 303
 304     if ( (flags & SP_OBJECT_WRITE_ALL) || cprof->href ) {
 305         repr->setAttribute( "xlink:href", cprof->href );
 306     }
 307
 308     if ( (flags & SP_OBJECT_WRITE_ALL) || cprof->local ) {
 309         repr->setAttribute( "local", cprof->local );
 310     }
 311
 312     if ( (flags & SP_OBJECT_WRITE_ALL) || cprof->name ) {
 313         repr->setAttribute( "name", cprof->name );
 314     }
 315
 316     if ( (flags & SP_OBJECT_WRITE_ALL) || cprof->intentStr ) {
 317         repr->setAttribute( "rendering-intent", cprof->intentStr );
 318     }
 319
 320     if (((SPObjectClass *) cprof_parent_class)->write) {
 321         (* ((SPObjectClass *) cprof_parent_class)->write)(object, repr, flags);
 322     }
 323
 324     return repr;
 325 }
 326
 327
 328 #if ENABLE_LCMS
 329
 330
 331 static SPObject* bruteFind( SPObject* curr, gchar const* name )
 332 {
 333     SPObject* result = 0;
 334
 335     if ( curr ) {
 336         if ( IS_COLORPROFILE(curr) ) {
 337             ColorProfile* prof = COLORPROFILE(curr);
 338             if ( prof ) {
 339                 if ( prof->name && (strcmp(prof->name, name) == 0) ) {
 340                     result = curr;
 341                 }
 342             }
 343         } else {
 344             if ( curr->hasChildren() ) {
 345                 SPObject* child = curr->firstChild();
 346                 while ( child && !result ) {
 347                     result = bruteFind( child, name );
 348                     if ( !result ) {
 349                         child = child->next;
 350                     }
 351                 };
 352             }
 353         }
 354     }
 355
 356     return result;
 357 }
 358
 359 cmsHPROFILE Inkscape::colorprofile_get_handle( SPDocument* document, guint* intent, gchar const* name )
 360 {
 361     cmsHPROFILE prof = 0;
 362
 363     SPObject* root = SP_DOCUMENT_ROOT(document);
 364     SPObject* thing = bruteFind( root, name );
 365     if ( thing ) {
 366         prof = COLORPROFILE(thing)->profHandle;
 367     }
 368
 369     if ( intent ) {
 370         *intent = thing ? COLORPROFILE(thing)->rendering_intent : (guint)RENDERING_INTENT_UNKNOWN;
 371     }
 372
 373 #ifdef DEBUG_LCMS
 374     DEBUG_MESSAGE( lcmsThree, "<color-profile> queried for profile of '%s'. Returning %p with intent of %d", name, prof, (intent? *intent:0) );
 375 #endif // DEBUG_LCMS
 376
 377     return prof;
 378 }
 379
 380
 381 #include <io/sys.h>
 382
 383 class ProfileInfo
 384 {
 385 public:
 386     ProfileInfo( cmsHPROFILE, Glib::ustring const & path );
 387
 388     Glib::ustring const& getName() {return _name;}
 389     Glib::ustring const& getPath() {return _path;}
 390     icColorSpaceSignature getSpace() {return _profileSpace;}
 391     icProfileClassSignature getClass() {return _profileClass;}
 392
 393 private:
 394     Glib::ustring _path;
 395     Glib::ustring _name;
 396     icColorSpaceSignature _profileSpace;
 397     icProfileClassSignature _profileClass;
 398 };
 399
 400
 401 ProfileInfo::ProfileInfo( cmsHPROFILE prof, Glib::ustring const & path )
 402 {
 403     _path = path;
 404     _name = cmsTakeProductName(prof);
 405     _profileSpace = cmsGetColorSpace( prof );
 406     _profileClass = cmsGetDeviceClass( prof );
 407 }
 408
 409
 410
 411 static std::vector<ProfileInfo> knownProfiles;
 412
 413 std::vector<Glib::ustring> Inkscape::colorprofile_get_display_names()
 414 {
 415     std::vector<Glib::ustring> result;
 416
 417     for ( std::vector<ProfileInfo>::iterator it = knownProfiles.begin(); it != knownProfiles.end(); ++it ) {
 418         if ( it->getClass() == icSigDisplayClass && it->getSpace() == icSigRgbData ) {
 419             result.push_back( it->getName() );
 420         }
 421     }
 422
 423     return result;
 424 }
 425
 426 std::vector<Glib::ustring> Inkscape::colorprofile_get_softproof_names()
 427 {
 428     std::vector<Glib::ustring> result;
 429
 430     for ( std::vector<ProfileInfo>::iterator it = knownProfiles.begin(); it != knownProfiles.end(); ++it ) {
 431         if ( it->getClass() == icSigOutputClass ) {
 432             result.push_back( it->getName() );
 433         }
 434     }
 435
 436     return result;
 437 }
 438
 439 Glib::ustring Inkscape::get_path_for_profile(Glib::ustring const& name)
 440 {
 441     Glib::ustring result;
 442
 443     for ( std::vector<ProfileInfo>::iterator it = knownProfiles.begin(); it != knownProfiles.end(); ++it ) {
 444         if ( name == it->getName() ) {
 445             result = it->getPath();
 446             break;
 447         }
 448     }
 449
 450     return result;
 451 }
 452
 453 static void findThings() {
 454     std::list<gchar *> sources;
 455
 456     gchar* base = profile_path("XXX");
 457     {
 458         gchar* base2 = g_path_get_dirname(base);
 459         g_free(base);
 460         base = base2;
 461         base2 = g_path_get_dirname(base);
 462         g_free(base);
 463         base = base2;
 464     }
 465
 466     // first try user's local dir
 467     sources.push_back( g_build_filename(g_get_user_data_dir(), "color", "icc", NULL) );
 468     sources.push_back( g_build_filename(base, ".color", "icc", NULL) ); // OpenICC recommends to deprecate this
 469
 470     const gchar* const * dataDirs = g_get_system_data_dirs();
 471     for ( int i = 0; dataDirs[i]; i++ ) {
 472         sources.push_back(g_build_filename(dataDirs[i], "color", "icc", NULL));
 473     }
 474
 475     while (!sources.empty()) {
 476         gchar *dirname = sources.front();
 477         if ( g_file_test( dirname, G_FILE_TEST_EXISTS ) && g_file_test( dirname, G_FILE_TEST_IS_DIR ) ) {
 478             GError *err = 0;
 479             GDir *dir = g_dir_open(dirname, 0, &err);
 480
 481             if (dir) {
 482                 for (gchar const *file = g_dir_read_name(dir); file != NULL; file = g_dir_read_name(dir)) {
 483                     gchar *filepath = g_build_filename(dirname, file, NULL);
 484
 485
 486                     if ( g_file_test( filepath, G_FILE_TEST_IS_DIR ) ) {
 487                         sources.push_back(g_strdup(filepath));
 488                     } else {
 489                         bool isIccFile = false;
 490                         struct stat st;
 491                         if ( g_stat(filepath, &st) == 0 && (st.st_size > 128) ) {
 492                             //0-3 == size
 493                             //36-39 == 'acsp' 0x61637370
 494                             int fd = g_open( filepath, O_RDONLY, S_IRWXU);
 495                             if ( fd != -1 ) {
 496                                 guchar scratch[40] = {0};
 497                                 size_t len = sizeof(scratch);
 498
 499                                 //size_t left = 40;
 500                                 ssize_t got = read(fd, scratch, len);
 501                                 if ( got != -1 ) {
 502                                     size_t calcSize = (scratch[0] << 24) | (scratch[1] << 16) | (scratch[2] << 8) | scratch[3];
 503                                     if ( calcSize > 128 && calcSize <= st.st_size ) {
 504                                         isIccFile = (scratch[36] == 'a') && (scratch[37] == 'c') && (scratch[38] == 's') && (scratch[39] == 'p');
 505                                     }
 506                                 }
 507
 508                                 close(fd);
 509                             }
 510                         }
 511
 512                         if ( isIccFile ) {
 513                             cmsHPROFILE prof = cmsOpenProfileFromFile( filepath, "r" );
 514                             if ( prof ) {
 515                                 ProfileInfo info( prof, Glib::filename_to_utf8( filepath ) );
 516                                 cmsCloseProfile( prof );
 517
 518                                 bool sameName = false;
 519                                 for ( std::vector<ProfileInfo>::iterator it = knownProfiles.begin(); it != knownProfiles.end(); ++it ) {
 520                                     if ( it->getName() == info.getName() ) {
 521                                         sameName = true;
 522                                         break;
 523                                     }
 524                                 }
 525
 526                                 if ( !sameName ) {
 527                                     knownProfiles.push_back(info);
 528                                 }
 529                             }
 530                         }
 531                     }
 532
 533                     g_free(filepath);
 534                 }
 535             }
 536         }
 537
 538         // toss the dirname
 539         g_free(dirname);
 540         sources.pop_front();
 541     }
 542 }
 543
 544 int errorHandlerCB(int ErrorCode, const char *ErrorText)
 545 {
 546     g_message("lcms: Error %d; %s", ErrorCode, ErrorText);
 547
 548     return 1;
 549 }
 550
 551 static bool gamutWarn = false;
 552 static Gdk::Color lastGamutColor("#00ff00");
 553 static bool lastBPC = false;
 554 static bool lastPreserveBlack = false;
 555 static int lastIntent = INTENT_PERCEPTUAL;
 556 static int lastProofIntent = INTENT_PERCEPTUAL;
 557 static cmsHTRANSFORM transf = 0;
 558 static cmsHPROFILE srcprof = 0;
 559
 560 cmsHPROFILE Inkscape::colorprofile_get_system_profile_handle()
 561 {
 562     static cmsHPROFILE theOne = 0;
 563     static std::string lastURI;
 564
 565     static bool init = false;
 566     if ( !init ) {
 567         cmsSetErrorHandler(errorHandlerCB);
 568
 569         findThings();
 570         init = true;
 571     }
 572
 573     long long int which = prefs_get_int_attribute_limited( "options.displayprofile", "enable", 0, 0, 1 );
 574     gchar const * uri = prefs_get_string_attribute("options.displayprofile", "uri");
 575
 576     if ( which && uri && *uri ) {
 577         if ( lastURI != std::string(uri) ) {
 578             lastURI.clear();
 579             if ( theOne ) {
 580                 cmsCloseProfile( theOne );
 581             }
 582             if ( transf ) {
 583                 cmsDeleteTransform( transf );
 584                 transf = 0;
 585             }
 586             theOne = cmsOpenProfileFromFile( uri, "r" );
 587             if ( theOne ) {
 588                 // a display profile must have the proper stuff
 589                 icColorSpaceSignature space = cmsGetColorSpace(theOne);
 590                 icProfileClassSignature profClass = cmsGetDeviceClass(theOne);
 591
 592                 if ( profClass != icSigDisplayClass ) {
 593                     g_warning("Not a display profile");
 594                     cmsCloseProfile( theOne );
 595                     theOne = 0;
 596                 } else if ( space != icSigRgbData ) {
 597                     g_warning("Not an RGB profile");
 598                     cmsCloseProfile( theOne );
 599                     theOne = 0;
 600                 } else {
 601                     lastURI = uri;
 602                 }
 603             }
 604         }
 605     } else if ( theOne ) {
 606         cmsCloseProfile( theOne );
 607         theOne = 0;
 608         lastURI.clear();
 609         if ( transf ) {
 610             cmsDeleteTransform( transf );
 611             transf = 0;
 612         }
 613     }
 614
 615     return theOne;
 616 }
 617
 618
 619 cmsHPROFILE Inkscape::colorprofile_get_proof_profile_handle()
 620 {
 621     static cmsHPROFILE theOne = 0;
 622     static std::string lastURI;
 623
 624     static bool init = false;
 625     if ( !init ) {
 626         cmsSetErrorHandler(errorHandlerCB);
 627
 628         findThings();
 629         init = true;
 630     }
 631
 632     long long int which = prefs_get_int_attribute_limited( "options.softproof", "enable", 0, 0, 1 );
 633     gchar const * uri = prefs_get_string_attribute("options.softproof", "uri");
 634
 635     if ( which && uri && *uri ) {
 636         if ( lastURI != std::string(uri) ) {
 637             lastURI.clear();
 638             if ( theOne ) {
 639                 cmsCloseProfile( theOne );
 640             }
 641             if ( transf ) {
 642                 cmsDeleteTransform( transf );
 643                 transf = 0;
 644             }
 645             theOne = cmsOpenProfileFromFile( uri, "r" );
 646             if ( theOne ) {
 647                 // a display profile must have the proper stuff
 648                 icColorSpaceSignature space = cmsGetColorSpace(theOne);
 649                 icProfileClassSignature profClass = cmsGetDeviceClass(theOne);
 650
 651                 (void)space;
 652                 (void)profClass;
 653 /*
 654                 if ( profClass != icSigDisplayClass ) {
 655                     g_warning("Not a display profile");
 656                     cmsCloseProfile( theOne );
 657                     theOne = 0;
 658                 } else if ( space != icSigRgbData ) {
 659                     g_warning("Not an RGB profile");
 660                     cmsCloseProfile( theOne );
 661                     theOne = 0;
 662                 } else {
 663 */
 664                     lastURI = uri;
 665 /*
 666                 }
 667 */
 668             }
 669         }
 670     } else if ( theOne ) {
 671         cmsCloseProfile( theOne );
 672         theOne = 0;
 673         lastURI.clear();
 674         if ( transf ) {
 675             cmsDeleteTransform( transf );
 676             transf = 0;
 677         }
 678     }
 679
 680     return theOne;
 681 }
 682
 683 cmsHTRANSFORM Inkscape::colorprofile_get_display_transform()
 684 {
 685     bool warn = prefs_get_int_attribute_limited( "options.softproof", "gamutwarn", 0, 0, 1 );
 686     int intent = prefs_get_int_attribute_limited( "options.displayprofile", "intent", 0, 0, 3 );
 687     int proofIntent = prefs_get_int_attribute_limited( "options.softproof", "intent", 0, 0, 3 );
 688     bool bpc = prefs_get_int_attribute_limited( "options.softproof", "bpc", 0, 0, 1 );
 689     bool preserveBlack = prefs_get_int_attribute_limited( "options.softproof", "preserveblack", 0, 0, 1 );
 690     gchar const* colorStr = prefs_get_string_attribute("options.softproof", "gamutcolor");
 691     Gdk::Color gamutColor( (colorStr && colorStr[0]) ? colorStr : "#00ff00");
 692
 693     if ( (warn != gamutWarn)
 694          || (lastIntent != intent)
 695          || (lastProofIntent != proofIntent)
 696          || (bpc != lastBPC)
 697          || (preserveBlack != lastPreserveBlack)
 698          || (gamutColor != lastGamutColor)
 699         ) {
 700         gamutWarn = warn;
 701         if ( transf ) {
 702             cmsDeleteTransform(transf);
 703             transf = 0;
 704         }
 705         lastIntent = intent;
 706         lastProofIntent = proofIntent;
 707         lastBPC = bpc;
 708         lastPreserveBlack = preserveBlack;
 709         lastGamutColor = gamutColor;
 710     }
 711
 712     // Fecth these now, as they might clear the transform as a side effect.
 713     cmsHPROFILE hprof = Inkscape::colorprofile_get_system_profile_handle();
 714     cmsHPROFILE proofProf = hprof ? Inkscape::colorprofile_get_proof_profile_handle() : 0;
 715
 716     if ( !transf ) {
 717         if ( !srcprof ) {
 718             srcprof = cmsCreate_sRGBProfile();
 719         }
 720         if ( hprof && proofProf ) {
 721             DWORD dwFlags = cmsFLAGS_SOFTPROOFING;
 722             if ( gamutWarn ) {
 723                 dwFlags |= cmsFLAGS_GAMUTCHECK;
 724                 cmsSetAlarmCodes(gamutColor.get_red() >> 8, gamutColor.get_green() >> 8, gamutColor.get_blue() >> 8);
 725             }
 726             if ( bpc ) {
 727                 dwFlags |= cmsFLAGS_BLACKPOINTCOMPENSATION;
 728             }
 729             if ( preserveBlack ) {
 730                 dwFlags |= cmsFLAGS_PRESERVEBLACK;
 731             }
 732             transf = cmsCreateProofingTransform( srcprof, TYPE_RGB_8, hprof, TYPE_RGB_8, proofProf, intent, proofIntent, dwFlags );
 733         } else if ( hprof ) {
 734             transf = cmsCreateTransform( srcprof, TYPE_RGB_8, hprof, TYPE_RGB_8, intent, 0 );
 735         }
 736     }
 737
 738     return transf;
 739 }
 740
 741 #endif // ENABLE_LCMS
 742
 743 /*
 744   Local Variables:
 745   mode:c++
 746   c-file-style:"stroustrup"
 747   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
 748   indent-tabs-mode:nil
 749   fill-column:99
 750   End:
 751 */
 752 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :