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 "preferences.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     Inkscape::Preferences *prefs = Inkscape::Preferences::get();\
  42     bool dump = prefs->getBool(Glib::ustring("/options/scislac/") + #key);\
  43     bool dumpD = prefs->getBool(Glib::ustring("/options/scislac/") + #key"D");\
  44     bool dumpD2 = prefs->getBool(Glib::ustring("/options/scislac/") + #key"D2");\
  45     dumpD &= ( (update_in_progress == 0) || dumpD2 );\
  46     if ( dump )\
  47     {\
  48         g_message( __VA_ARGS__ );\
  49 \
  50     }\
  51     if ( dumpD )\
  52     {\
  53         GtkWidget *dialog = gtk_message_dialog_new(NULL,\
  54                                                    GTK_DIALOG_DESTROY_WITH_PARENT, \
  55                                                    GTK_MESSAGE_INFO,    \
  56                                                    GTK_BUTTONS_OK,      \
  57                                                    __VA_ARGS__          \
  58                                                    );\
  59         g_signal_connect_swapped(dialog, "response",\
  60                                  G_CALLBACK(gtk_widget_destroy),        \
  61                                  dialog);                               \
  62         gtk_widget_show_all( dialog );\
  63     }\
  64 }
  65 #endif // DEBUG_LCMS
  66
  67 static SPObjectClass *cprof_parent_class;
  68
  69 #if ENABLE_LCMS
  70
  71 cmsHPROFILE ColorProfile::_sRGBProf = 0;
  72
  73 cmsHPROFILE ColorProfile::getSRGBProfile() {
  74     if ( !_sRGBProf ) {
  75         _sRGBProf = cmsCreate_sRGBProfile();
  76     }
  77     return _sRGBProf;
  78 }
  79
  80 #endif // ENABLE_LCMS
  81
  82 /**
  83  * Register ColorProfile class and return its type.
  84  */
  85 GType Inkscape::colorprofile_get_type()
  86 {
  87     return ColorProfile::getType();
  88 }
  89
  90 GType ColorProfile::getType()
  91 {
  92     static GType type = 0;
  93     if (!type) {
  94         GTypeInfo info = {
  95             sizeof(ColorProfileClass),
  96             NULL, NULL,
  97             (GClassInitFunc) ColorProfile::classInit,
  98             NULL, NULL,
  99             sizeof(ColorProfile),
 100             16,
 101             (GInstanceInitFunc) ColorProfile::init,
 102             NULL,   /* value_table */
 103         };
 104         type = g_type_register_static( SP_TYPE_OBJECT, "ColorProfile", &info, static_cast<GTypeFlags>(0) );
 105     }
 106     return type;
 107 }
 108
 109 /**
 110  * ColorProfile vtable initialization.
 111  */
 112 void ColorProfile::classInit( ColorProfileClass *klass )
 113 {
 114     SPObjectClass *sp_object_class = reinterpret_cast<SPObjectClass *>(klass);
 115
 116     cprof_parent_class = static_cast<SPObjectClass*>(g_type_class_ref(SP_TYPE_OBJECT));
 117
 118     sp_object_class->release = ColorProfile::release;
 119     sp_object_class->build = ColorProfile::build;
 120     sp_object_class->set = ColorProfile::set;
 121     sp_object_class->write = ColorProfile::write;
 122 }
 123
 124 /**
 125  * Callback for ColorProfile object initialization.
 126  */
 127 void ColorProfile::init( ColorProfile *cprof )
 128 {
 129     cprof->href = 0;
 130     cprof->local = 0;
 131     cprof->name = 0;
 132     cprof->intentStr = 0;
 133     cprof->rendering_intent = Inkscape::RENDERING_INTENT_UNKNOWN;
 134 #if ENABLE_LCMS
 135     cprof->profHandle = 0;
 136     cprof->_profileClass = icSigInputClass;
 137     cprof->_profileSpace = icSigRgbData;
 138     cprof->_transf = 0;
 139     cprof->_revTransf = 0;
 140 #endif // ENABLE_LCMS
 141 }
 142
 143 /**
 144  * Callback: free object
 145  */
 146 void ColorProfile::release( SPObject *object )
 147 {
 148     // Unregister ourselves
 149     SPDocument* document = SP_OBJECT_DOCUMENT(object);
 150     if ( document ) {
 151         sp_document_remove_resource (SP_OBJECT_DOCUMENT (object), "iccprofile", SP_OBJECT (object));
 152     }
 153
 154     ColorProfile *cprof = COLORPROFILE(object);
 155     if ( cprof->href ) {
 156         g_free( cprof->href );
 157         cprof->href = 0;
 158     }
 159
 160     if ( cprof->local ) {
 161         g_free( cprof->local );
 162         cprof->local = 0;
 163     }
 164
 165     if ( cprof->name ) {
 166         g_free( cprof->name );
 167         cprof->name = 0;
 168     }
 169
 170     if ( cprof->intentStr ) {
 171         g_free( cprof->intentStr );
 172         cprof->intentStr = 0;
 173     }
 174
 175 #if ENABLE_LCMS
 176     cprof->_clearProfile();
 177 #endif // ENABLE_LCMS
 178 }
 179
 180 #if ENABLE_LCMS
 181 void ColorProfile::_clearProfile()
 182 {
 183     _profileSpace = icSigRgbData;
 184
 185     if ( _transf ) {
 186         cmsDeleteTransform( _transf );
 187         _transf = 0;
 188     }
 189     if ( _revTransf ) {
 190         cmsDeleteTransform( _revTransf );
 191         _revTransf = 0;
 192     }
 193     if ( profHandle ) {
 194         cmsCloseProfile( profHandle );
 195         profHandle = 0;
 196     }
 197 }
 198 #endif // ENABLE_LCMS
 199
 200 /**
 201  * Callback: set attributes from associated repr.
 202  */
 203 void ColorProfile::build( SPObject *object, SPDocument *document, Inkscape::XML::Node *repr )
 204 {
 205     ColorProfile *cprof = COLORPROFILE(object);
 206     g_assert(cprof->href == 0);
 207     g_assert(cprof->local == 0);
 208     g_assert(cprof->name == 0);
 209     g_assert(cprof->intentStr == 0);
 210
 211     if (cprof_parent_class->build) {
 212         (* cprof_parent_class->build)(object, document, repr);
 213     }
 214     sp_object_read_attr( object, "xlink:href" );
 215     sp_object_read_attr( object, "local" );
 216     sp_object_read_attr( object, "name" );
 217     sp_object_read_attr( object, "rendering-intent" );
 218
 219     // Register
 220     if ( document ) {
 221         sp_document_add_resource( document, "iccprofile", object );
 222     }
 223 }
 224
 225 /**
 226  * Callback: set attribute.
 227  */
 228 void ColorProfile::set( SPObject *object, unsigned key, gchar const *value )
 229 {
 230     ColorProfile *cprof = COLORPROFILE(object);
 231
 232     switch (key) {
 233         case SP_ATTR_XLINK_HREF:
 234             if ( cprof->href ) {
 235                 g_free( cprof->href );
 236                 cprof->href = 0;
 237             }
 238             if ( value ) {
 239                 cprof->href = g_strdup( value );
 240                 if ( *cprof->href ) {
 241 #if ENABLE_LCMS
 242                     cmsErrorAction( LCMS_ERROR_SHOW );
 243
 244                     // TODO open filename and URIs properly
 245                     //FILE* fp = fopen_utf8name( filename, "r" );
 246                     //LCMSAPI cmsHPROFILE   LCMSEXPORT cmsOpenProfileFromMem(LPVOID MemPtr, DWORD dwSize);
 247
 248                     // Try to open relative
 249                     SPDocument *doc = SP_OBJECT_DOCUMENT(object);
 250                     if (!doc) {
 251                         doc = SP_ACTIVE_DOCUMENT;
 252                         g_warning("object has no document.  using active");
 253                     }
 254                     //# 1.  Get complete URI of document
 255                     gchar const *docbase = SP_DOCUMENT_URI( doc );
 256                     if (!docbase)
 257                         {
 258                         g_warning("null docbase");
 259                         docbase = "";
 260                         }
 261                     //g_message("docbase:%s\n", docbase);
 262                     org::w3c::dom::URI docUri(docbase);
 263                     //# 2. Get href of icc file.  we don't care if it's rel or abs
 264                     org::w3c::dom::URI hrefUri(cprof->href);
 265                     //# 3.  Resolve the href according the docBase.  This follows
 266                     //      the w3c specs.  All absolute and relative issues are considered
 267                     org::w3c::dom::URI cprofUri = docUri.resolve(hrefUri);
 268                     gchar* fullname = (gchar *)cprofUri.getNativePath().c_str();
 269                     cprof->_clearProfile();
 270                     cprof->profHandle = cmsOpenProfileFromFile( fullname, "r" );
 271                     if ( cprof->profHandle ) {
 272                         cprof->_profileSpace = cmsGetColorSpace( cprof->profHandle );
 273                         cprof->_profileClass = cmsGetDeviceClass( cprof->profHandle );
 274                     }
 275 #ifdef DEBUG_LCMS
 276                     DEBUG_MESSAGE( lcmsOne, "cmsOpenProfileFromFile( '%s'...) = %p", fullname, (void*)cprof->profHandle );
 277 #endif // DEBUG_LCMS
 278
 279 #endif // ENABLE_LCMS
 280                 }
 281             }
 282             object->requestModified(SP_OBJECT_MODIFIED_FLAG);
 283             break;
 284
 285         case SP_ATTR_LOCAL:
 286             if ( cprof->local ) {
 287                 g_free( cprof->local );
 288                 cprof->local = 0;
 289             }
 290             cprof->local = g_strdup( value );
 291             object->requestModified(SP_OBJECT_MODIFIED_FLAG);
 292             break;
 293
 294         case SP_ATTR_NAME:
 295             if ( cprof->name ) {
 296                 g_free( cprof->name );
 297                 cprof->name = 0;
 298             }
 299             cprof->name = g_strdup( value );
 300 #ifdef DEBUG_LCMS
 301             DEBUG_MESSAGE( lcmsTwo, "<color-profile> name set to '%s'", cprof->name );
 302 #endif // DEBUG_LCMS
 303             object->requestModified(SP_OBJECT_MODIFIED_FLAG);
 304             break;
 305
 306         case SP_ATTR_RENDERING_INTENT:
 307             if ( cprof->intentStr ) {
 308                 g_free( cprof->intentStr );
 309                 cprof->intentStr = 0;
 310             }
 311             cprof->intentStr = g_strdup( value );
 312
 313             if ( value ) {
 314                 if ( strcmp( value, "auto" ) == 0 ) {
 315                     cprof->rendering_intent = RENDERING_INTENT_AUTO;
 316                 } else if ( strcmp( value, "perceptual" ) == 0 ) {
 317                     cprof->rendering_intent = RENDERING_INTENT_PERCEPTUAL;
 318                 } else if ( strcmp( value, "relative-colorimetric" ) == 0 ) {
 319                     cprof->rendering_intent = RENDERING_INTENT_RELATIVE_COLORIMETRIC;
 320                 } else if ( strcmp( value, "saturation" ) == 0 ) {
 321                     cprof->rendering_intent = RENDERING_INTENT_SATURATION;
 322                 } else if ( strcmp( value, "absolute-colorimetric" ) == 0 ) {
 323                     cprof->rendering_intent = RENDERING_INTENT_ABSOLUTE_COLORIMETRIC;
 324                 } else {
 325                     cprof->rendering_intent = RENDERING_INTENT_UNKNOWN;
 326                 }
 327             } else {
 328                 cprof->rendering_intent = RENDERING_INTENT_UNKNOWN;
 329             }
 330
 331             object->requestModified(SP_OBJECT_MODIFIED_FLAG);
 332             break;
 333
 334         default:
 335             if (cprof_parent_class->set) {
 336                 (* cprof_parent_class->set)(object, key, value);
 337             }
 338             break;
 339     }
 340
 341 }
 342
 343 /**
 344  * Callback: write attributes to associated repr.
 345  */
 346 Inkscape::XML::Node* ColorProfile::write( SPObject *object, Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags )
 347 {
 348     ColorProfile *cprof = COLORPROFILE(object);
 349
 350     if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) {
 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, xml_doc, 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 Glib::ustring lastURI;
 677
 678     static bool init = false;
 679     if ( !init ) {
 680         cmsSetErrorHandler(errorHandlerCB);
 681
 682         findThings();
 683         init = true;
 684     }
 685
 686     Inkscape::Preferences *prefs = Inkscape::Preferences::get();
 687     Glib::ustring uri = prefs->getString("/options/displayprofile/uri");
 688
 689     if ( !uri.empty() ) {
 690         if ( uri != lastURI ) {
 691             lastURI.clear();
 692             if ( theOne ) {
 693                 cmsCloseProfile( theOne );
 694             }
 695             if ( transf ) {
 696                 cmsDeleteTransform( transf );
 697                 transf = 0;
 698             }
 699             theOne = cmsOpenProfileFromFile( uri.data(), "r" );
 700             if ( theOne ) {
 701                 // a display profile must have the proper stuff
 702                 icColorSpaceSignature space = cmsGetColorSpace(theOne);
 703                 icProfileClassSignature profClass = cmsGetDeviceClass(theOne);
 704
 705                 if ( profClass != icSigDisplayClass ) {
 706                     g_warning("Not a display profile");
 707                     cmsCloseProfile( theOne );
 708                     theOne = 0;
 709                 } else if ( space != icSigRgbData ) {
 710                     g_warning("Not an RGB profile");
 711                     cmsCloseProfile( theOne );
 712                     theOne = 0;
 713                 } else {
 714                     lastURI = uri;
 715                 }
 716             }
 717         }
 718     } else if ( theOne ) {
 719         cmsCloseProfile( theOne );
 720         theOne = 0;
 721         lastURI.clear();
 722         if ( transf ) {
 723             cmsDeleteTransform( transf );
 724             transf = 0;
 725         }
 726     }
 727
 728     return theOne;
 729 }
 730
 731
 732 cmsHPROFILE Inkscape::colorprofile_get_proof_profile_handle()
 733 {
 734     static cmsHPROFILE theOne = 0;
 735     static Glib::ustring lastURI;
 736
 737     static bool init = false;
 738     if ( !init ) {
 739         cmsSetErrorHandler(errorHandlerCB);
 740
 741         findThings();
 742         init = true;
 743     }
 744
 745     Inkscape::Preferences *prefs = Inkscape::Preferences::get();
 746     bool which = prefs->getBool( "/options/softproof/enable");
 747     Glib::ustring uri = prefs->getString("/options/softproof/uri");
 748
 749     if ( which && !uri.empty() ) {
 750         if ( lastURI != uri ) {
 751             lastURI.clear();
 752             if ( theOne ) {
 753                 cmsCloseProfile( theOne );
 754             }
 755             if ( transf ) {
 756                 cmsDeleteTransform( transf );
 757                 transf = 0;
 758             }
 759             theOne = cmsOpenProfileFromFile( uri.data(), "r" );
 760             if ( theOne ) {
 761                 // a display profile must have the proper stuff
 762                 icColorSpaceSignature space = cmsGetColorSpace(theOne);
 763                 icProfileClassSignature profClass = cmsGetDeviceClass(theOne);
 764
 765                 (void)space;
 766                 (void)profClass;
 767 /*
 768                 if ( profClass != icSigDisplayClass ) {
 769                     g_warning("Not a display profile");
 770                     cmsCloseProfile( theOne );
 771                     theOne = 0;
 772                 } else if ( space != icSigRgbData ) {
 773                     g_warning("Not an RGB profile");
 774                     cmsCloseProfile( theOne );
 775                     theOne = 0;
 776                 } else {
 777 */
 778                     lastURI = uri;
 779 /*
 780                 }
 781 */
 782             }
 783         }
 784     } else if ( theOne ) {
 785         cmsCloseProfile( theOne );
 786         theOne = 0;
 787         lastURI.clear();
 788         if ( transf ) {
 789             cmsDeleteTransform( transf );
 790             transf = 0;
 791         }
 792     }
 793
 794     return theOne;
 795 }
 796
 797 static void free_transforms();
 798
 799 cmsHTRANSFORM Inkscape::colorprofile_get_display_transform()
 800 {
 801     Inkscape::Preferences *prefs = Inkscape::Preferences::get();
 802     bool fromDisplay = prefs->getBool( "/options/displayprofile/from_display");
 803     if ( fromDisplay ) {
 804         if ( transf ) {
 805             cmsDeleteTransform(transf);
 806             transf = 0;
 807         }
 808         return 0;
 809     }
 810
 811     bool warn = prefs->getBool( "/options/softproof/gamutwarn");
 812     int intent = prefs->getIntLimited( "/options/displayprofile/intent", 0, 0, 3 );
 813     int proofIntent = prefs->getIntLimited( "/options/softproof/intent", 0, 0, 3 );
 814     bool bpc = prefs->getBool( "/options/softproof/bpc");
 815 #if defined(cmsFLAGS_PRESERVEBLACK)
 816     bool preserveBlack = prefs->getBool( "/options/softproof/preserveblack");
 817 #endif //defined(cmsFLAGS_PRESERVEBLACK)
 818     Glib::ustring colorStr = prefs->getString("/options/softproof/gamutcolor");
 819     Gdk::Color gamutColor( colorStr.empty() ? "#808080" : colorStr );
 820
 821     if ( (warn != gamutWarn)
 822          || (lastIntent != intent)
 823          || (lastProofIntent != proofIntent)
 824          || (bpc != lastBPC)
 825 #if defined(cmsFLAGS_PRESERVEBLACK)
 826          || (preserveBlack != lastPreserveBlack)
 827 #endif // defined(cmsFLAGS_PRESERVEBLACK)
 828          || (gamutColor != lastGamutColor)
 829         ) {
 830         gamutWarn = warn;
 831         free_transforms();
 832         lastIntent = intent;
 833         lastProofIntent = proofIntent;
 834         lastBPC = bpc;
 835 #if defined(cmsFLAGS_PRESERVEBLACK)
 836         lastPreserveBlack = preserveBlack;
 837 #endif // defined(cmsFLAGS_PRESERVEBLACK)
 838         lastGamutColor = gamutColor;
 839     }
 840
 841     // Fetch these now, as they might clear the transform as a side effect.
 842     cmsHPROFILE hprof = Inkscape::colorprofile_get_system_profile_handle();
 843     cmsHPROFILE proofProf = hprof ? Inkscape::colorprofile_get_proof_profile_handle() : 0;
 844
 845     if ( !transf ) {
 846         if ( hprof && proofProf ) {
 847             DWORD dwFlags = cmsFLAGS_SOFTPROOFING;
 848             if ( gamutWarn ) {
 849                 dwFlags |= cmsFLAGS_GAMUTCHECK;
 850                 cmsSetAlarmCodes(gamutColor.get_red() >> 8, gamutColor.get_green() >> 8, gamutColor.get_blue() >> 8);
 851             }
 852             if ( bpc ) {
 853                 dwFlags |= cmsFLAGS_BLACKPOINTCOMPENSATION;
 854             }
 855 #if defined(cmsFLAGS_PRESERVEBLACK)
 856             if ( preserveBlack ) {
 857                 dwFlags |= cmsFLAGS_PRESERVEBLACK;
 858             }
 859 #endif // defined(cmsFLAGS_PRESERVEBLACK)
 860             transf = cmsCreateProofingTransform( ColorProfile::getSRGBProfile(), TYPE_RGB_8, hprof, TYPE_RGB_8, proofProf, intent, proofIntent, dwFlags );
 861         } else if ( hprof ) {
 862             transf = cmsCreateTransform( ColorProfile::getSRGBProfile(), TYPE_RGB_8, hprof, TYPE_RGB_8, intent, 0 );
 863         }
 864     }
 865
 866     return transf;
 867 }
 868
 869
 870 class MemProfile {
 871 public:
 872     MemProfile();
 873     ~MemProfile();
 874
 875     std::string id;
 876     cmsHPROFILE hprof;
 877     cmsHTRANSFORM transf;
 878 };
 879
 880 MemProfile::MemProfile() :
 881     id(),
 882     hprof(0),
 883     transf(0)
 884 {
 885 }
 886
 887 MemProfile::~MemProfile()
 888 {
 889 }
 890
 891 static std::vector< std::vector<MemProfile> > perMonitorProfiles;
 892
 893 void free_transforms()
 894 {
 895     if ( transf ) {
 896         cmsDeleteTransform(transf);
 897         transf = 0;
 898     }
 899
 900     for ( std::vector< std::vector<MemProfile> >::iterator it = perMonitorProfiles.begin(); it != perMonitorProfiles.end(); ++it ) {
 901         for ( std::vector<MemProfile>::iterator it2 = it->begin(); it2 != it->end(); ++it2 ) {
 902             if ( it2->transf ) {
 903                 cmsDeleteTransform(it2->transf);
 904                 it2->transf = 0;
 905             }
 906         }
 907     }
 908 }
 909
 910 Glib::ustring Inkscape::colorprofile_get_display_id( int screen, int monitor )
 911 {
 912     Glib::ustring id;
 913
 914     if ( screen >= 0 && screen < static_cast<int>(perMonitorProfiles.size()) ) {
 915         std::vector<MemProfile>& row = perMonitorProfiles[screen];
 916         if ( monitor >= 0 && monitor < static_cast<int>(row.size()) ) {
 917             MemProfile& item = row[monitor];
 918             id = item.id;
 919         }
 920     }
 921
 922     return id;
 923 }
 924
 925 Glib::ustring Inkscape::colorprofile_set_display_per( gpointer buf, guint bufLen, int screen, int monitor )
 926 {
 927     Glib::ustring id;
 928
 929     while ( static_cast<int>(perMonitorProfiles.size()) <= screen ) {
 930         std::vector<MemProfile> tmp;
 931         perMonitorProfiles.push_back(tmp);
 932     }
 933     std::vector<MemProfile>& row = perMonitorProfiles[screen];
 934     while ( static_cast<int>(row.size()) <= monitor ) {
 935         MemProfile tmp;
 936         row.push_back(tmp);
 937     }
 938     MemProfile& item = row[monitor];
 939
 940     if ( item.hprof ) {
 941         cmsCloseProfile( item.hprof );
 942         item.hprof = 0;
 943     }
 944     id.clear();
 945
 946     if ( buf && bufLen ) {
 947         id = Digest::hashHex(Digest::HASH_MD5,
 948                    reinterpret_cast<unsigned char*>(buf), bufLen);
 949
 950         // Note: if this is not a valid profile, item.hprof will be set to null.
 951         item.hprof = cmsOpenProfileFromMem(buf, bufLen);
 952     }
 953     item.id = id;
 954
 955     return id;
 956 }
 957
 958 cmsHTRANSFORM Inkscape::colorprofile_get_display_per( Glib::ustring const& id )
 959 {
 960     cmsHTRANSFORM result = 0;
 961     if ( id.empty() ) {
 962         return 0;
 963     }
 964
 965     Inkscape::Preferences *prefs = Inkscape::Preferences::get();
 966     bool found = false;
 967     for ( std::vector< std::vector<MemProfile> >::iterator it = perMonitorProfiles.begin(); it != perMonitorProfiles.end() && !found; ++it ) {
 968         for ( std::vector<MemProfile>::iterator it2 = it->begin(); it2 != it->end() && !found; ++it2 ) {
 969             if ( id == it2->id ) {
 970                 MemProfile& item = *it2;
 971
 972                 bool warn = prefs->getBool( "/options/softproof/gamutwarn");
 973                 int intent = prefs->getIntLimited( "/options/displayprofile/intent", 0, 0, 3 );
 974                 int proofIntent = prefs->getIntLimited( "/options/softproof/intent", 0, 0, 3 );
 975                 bool bpc = prefs->getBool( "/options/softproof/bpc");
 976 #if defined(cmsFLAGS_PRESERVEBLACK)
 977                 bool preserveBlack = prefs->getBool( "/options/softproof/preserveblack");
 978 #endif //defined(cmsFLAGS_PRESERVEBLACK)
 979                 Glib::ustring colorStr = prefs->getString("/options/softproof/gamutcolor");
 980                 Gdk::Color gamutColor( colorStr.empty() ? "#808080" : colorStr );
 981
 982                 if ( (warn != gamutWarn)
 983                      || (lastIntent != intent)
 984                      || (lastProofIntent != proofIntent)
 985                      || (bpc != lastBPC)
 986 #if defined(cmsFLAGS_PRESERVEBLACK)
 987                      || (preserveBlack != lastPreserveBlack)
 988 #endif // defined(cmsFLAGS_PRESERVEBLACK)
 989                      || (gamutColor != lastGamutColor)
 990                     ) {
 991                     gamutWarn = warn;
 992                     free_transforms();
 993                     lastIntent = intent;
 994                     lastProofIntent = proofIntent;
 995                     lastBPC = bpc;
 996 #if defined(cmsFLAGS_PRESERVEBLACK)
 997                     lastPreserveBlack = preserveBlack;
 998 #endif // defined(cmsFLAGS_PRESERVEBLACK)
 999                     lastGamutColor = gamutColor;
1000                 }
1001
1002                 // Fetch these now, as they might clear the transform as a side effect.
1003                 cmsHPROFILE proofProf = item.hprof ? Inkscape::colorprofile_get_proof_profile_handle() : 0;
1004
1005                 if ( !item.transf ) {
1006                     if ( item.hprof && proofProf ) {
1007                         DWORD dwFlags = cmsFLAGS_SOFTPROOFING;
1008                         if ( gamutWarn ) {
1009                             dwFlags |= cmsFLAGS_GAMUTCHECK;
1010                             cmsSetAlarmCodes(gamutColor.get_red() >> 8, gamutColor.get_green() >> 8, gamutColor.get_blue() >> 8);
1011                         }
1012                         if ( bpc ) {
1013                             dwFlags |= cmsFLAGS_BLACKPOINTCOMPENSATION;
1014                         }
1015 #if defined(cmsFLAGS_PRESERVEBLACK)
1016                         if ( preserveBlack ) {
1017                             dwFlags |= cmsFLAGS_PRESERVEBLACK;
1018                         }
1019 #endif // defined(cmsFLAGS_PRESERVEBLACK)
1020                         item.transf = cmsCreateProofingTransform( ColorProfile::getSRGBProfile(), TYPE_RGB_8, item.hprof, TYPE_RGB_8, proofProf, intent, proofIntent, dwFlags );
1021                     } else if ( item.hprof ) {
1022                         item.transf = cmsCreateTransform( ColorProfile::getSRGBProfile(), TYPE_RGB_8, item.hprof, TYPE_RGB_8, intent, 0 );
1023                     }
1024                 }
1025
1026                 result = item.transf;
1027                 found = true;
1028             }
1029         }
1030     }
1031
1032     return result;
1033 }
1034
1035
1036
1037 #endif // ENABLE_LCMS
1038
1039 /*
1040   Local Variables:
1041   mode:c++
1042   c-file-style:"stroustrup"
1043   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1044   indent-tabs-mode:nil
1045   fill-column:99
1046   End:
1047 */
1048 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :