src/color-profile.cpp

   1 #ifdef HAVE_CONFIG_H
   2 # include "config.h"
   3 #endif
   4
   5 //#define DEBUG_LCMS
   6
   7 #include <glib/gstdio.h>
   8 #include <sys/fcntl.h>
   9 #include <gdkmm/color.h>
  10
  11 #ifdef DEBUG_LCMS
  12 #include <gtk/gtkmessagedialog.h>
  13 #endif // DEBUG_LCMS
  14
  15 #include <cstring>
  16 #include <string>
  17
  18 #ifdef WIN32
  19 #ifndef _WIN32_WINDOWS         // Allow use of features specific to Windows 98 or later. Required for correctly including icm.h
  20 #define _WIN32_WINDOWS 0x0410
  21 #endif
  22 #include <windows.h>
  23 #endif
  24
  25 #include "xml/repr.h"
  26 #include "color-profile.h"
  27 #include "color-profile-fns.h"
  28 #include "attributes.h"
  29 #include "inkscape.h"
  30 #include "document.h"
  31 #include "preferences.h"
  32
  33 #include "dom/uri.h"
  34 #include "dom/util/digest.h"
  35
  36 #ifdef WIN32
  37 #include <Icm.h>
  38 #endif // WIN32
  39
  40 using Inkscape::ColorProfile;
  41 using Inkscape::ColorProfileClass;
  42
  43 namespace Inkscape
  44 {
  45 #if ENABLE_LCMS
  46 static cmsHPROFILE colorprofile_get_system_profile_handle();
  47 static cmsHPROFILE colorprofile_get_proof_profile_handle();
  48 #endif // ENABLE_LCMS
  49 }
  50
  51 #ifdef DEBUG_LCMS
  52 extern guint update_in_progress;
  53 #define DEBUG_MESSAGE(key, ...) \
  54 {\
  55     Inkscape::Preferences *prefs = Inkscape::Preferences::get();\
  56     bool dump = prefs->getBool(Glib::ustring("/options/scislac/") + #key);\
  57     bool dumpD = prefs->getBool(Glib::ustring("/options/scislac/") + #key"D");\
  58     bool dumpD2 = prefs->getBool(Glib::ustring("/options/scislac/") + #key"D2");\
  59     dumpD &= ( (update_in_progress == 0) || dumpD2 );\
  60     if ( dump )\
  61     {\
  62         g_message( __VA_ARGS__ );\
  63 \
  64     }\
  65     if ( dumpD )\
  66     {\
  67         GtkWidget *dialog = gtk_message_dialog_new(NULL,\
  68                                                    GTK_DIALOG_DESTROY_WITH_PARENT, \
  69                                                    GTK_MESSAGE_INFO,    \
  70                                                    GTK_BUTTONS_OK,      \
  71                                                    __VA_ARGS__          \
  72                                                    );\
  73         g_signal_connect_swapped(dialog, "response",\
  74                                  G_CALLBACK(gtk_widget_destroy),        \
  75                                  dialog);                               \
  76         gtk_widget_show_all( dialog );\
  77     }\
  78 }
  79 #endif // DEBUG_LCMS
  80
  81 static SPObjectClass *cprof_parent_class;
  82
  83 #if ENABLE_LCMS
  84
  85 cmsHPROFILE ColorProfile::_sRGBProf = 0;
  86
  87 cmsHPROFILE ColorProfile::getSRGBProfile() {
  88     if ( !_sRGBProf ) {
  89         _sRGBProf = cmsCreate_sRGBProfile();
  90     }
  91     return _sRGBProf;
  92 }
  93
  94 #endif // ENABLE_LCMS
  95
  96 /**
  97  * Register ColorProfile class and return its type.
  98  */
  99 GType Inkscape::colorprofile_get_type()
 100 {
 101     return ColorProfile::getType();
 102 }
 103
 104 GType ColorProfile::getType()
 105 {
 106     static GType type = 0;
 107     if (!type) {
 108         GTypeInfo info = {
 109             sizeof(ColorProfileClass),
 110             NULL, NULL,
 111             (GClassInitFunc) ColorProfile::classInit,
 112             NULL, NULL,
 113             sizeof(ColorProfile),
 114             16,
 115             (GInstanceInitFunc) ColorProfile::init,
 116             NULL,   /* value_table */
 117         };
 118         type = g_type_register_static( SP_TYPE_OBJECT, "ColorProfile", &info, static_cast<GTypeFlags>(0) );
 119     }
 120     return type;
 121 }
 122
 123 /**
 124  * ColorProfile vtable initialization.
 125  */
 126 void ColorProfile::classInit( ColorProfileClass *klass )
 127 {
 128     SPObjectClass *sp_object_class = reinterpret_cast<SPObjectClass *>(klass);
 129
 130     cprof_parent_class = static_cast<SPObjectClass*>(g_type_class_ref(SP_TYPE_OBJECT));
 131
 132     sp_object_class->release = ColorProfile::release;
 133     sp_object_class->build = ColorProfile::build;
 134     sp_object_class->set = ColorProfile::set;
 135     sp_object_class->write = ColorProfile::write;
 136 }
 137
 138 /**
 139  * Callback for ColorProfile object initialization.
 140  */
 141 void ColorProfile::init( ColorProfile *cprof )
 142 {
 143     cprof->href = 0;
 144     cprof->local = 0;
 145     cprof->name = 0;
 146     cprof->intentStr = 0;
 147     cprof->rendering_intent = Inkscape::RENDERING_INTENT_UNKNOWN;
 148 #if ENABLE_LCMS
 149     cprof->profHandle = 0;
 150     cprof->_profileClass = icSigInputClass;
 151     cprof->_profileSpace = icSigRgbData;
 152     cprof->_transf = 0;
 153     cprof->_revTransf = 0;
 154 #endif // ENABLE_LCMS
 155 }
 156
 157 /**
 158  * Callback: free object
 159  */
 160 void ColorProfile::release( SPObject *object )
 161 {
 162     // Unregister ourselves
 163     SPDocument* document = SP_OBJECT_DOCUMENT(object);
 164     if ( document ) {
 165         sp_document_remove_resource (SP_OBJECT_DOCUMENT (object), "iccprofile", SP_OBJECT (object));
 166     }
 167
 168     ColorProfile *cprof = COLORPROFILE(object);
 169     if ( cprof->href ) {
 170         g_free( cprof->href );
 171         cprof->href = 0;
 172     }
 173
 174     if ( cprof->local ) {
 175         g_free( cprof->local );
 176         cprof->local = 0;
 177     }
 178
 179     if ( cprof->name ) {
 180         g_free( cprof->name );
 181         cprof->name = 0;
 182     }
 183
 184     if ( cprof->intentStr ) {
 185         g_free( cprof->intentStr );
 186         cprof->intentStr = 0;
 187     }
 188
 189 #if ENABLE_LCMS
 190     cprof->_clearProfile();
 191 #endif // ENABLE_LCMS
 192 }
 193
 194 #if ENABLE_LCMS
 195 void ColorProfile::_clearProfile()
 196 {
 197     _profileSpace = icSigRgbData;
 198
 199     if ( _transf ) {
 200         cmsDeleteTransform( _transf );
 201         _transf = 0;
 202     }
 203     if ( _revTransf ) {
 204         cmsDeleteTransform( _revTransf );
 205         _revTransf = 0;
 206     }
 207     if ( profHandle ) {
 208         cmsCloseProfile( profHandle );
 209         profHandle = 0;
 210     }
 211 }
 212 #endif // ENABLE_LCMS
 213
 214 /**
 215  * Callback: set attributes from associated repr.
 216  */
 217 void ColorProfile::build( SPObject *object, SPDocument *document, Inkscape::XML::Node *repr )
 218 {
 219     ColorProfile *cprof = COLORPROFILE(object);
 220     g_assert(cprof->href == 0);
 221     g_assert(cprof->local == 0);
 222     g_assert(cprof->name == 0);
 223     g_assert(cprof->intentStr == 0);
 224
 225     if (cprof_parent_class->build) {
 226         (* cprof_parent_class->build)(object, document, repr);
 227     }
 228     sp_object_read_attr( object, "xlink:href" );
 229     sp_object_read_attr( object, "local" );
 230     sp_object_read_attr( object, "name" );
 231     sp_object_read_attr( object, "rendering-intent" );
 232
 233     // Register
 234     if ( document ) {
 235         sp_document_add_resource( document, "iccprofile", object );
 236     }
 237 }
 238
 239 /**
 240  * Callback: set attribute.
 241  */
 242 void ColorProfile::set( SPObject *object, unsigned key, gchar const *value )
 243 {
 244     ColorProfile *cprof = COLORPROFILE(object);
 245
 246     switch (key) {
 247         case SP_ATTR_XLINK_HREF:
 248             if ( cprof->href ) {
 249                 g_free( cprof->href );
 250                 cprof->href = 0;
 251             }
 252             if ( value ) {
 253                 cprof->href = g_strdup( value );
 254                 if ( *cprof->href ) {
 255 #if ENABLE_LCMS
 256                     cmsErrorAction( LCMS_ERROR_SHOW );
 257
 258                     // TODO open filename and URIs properly
 259                     //FILE* fp = fopen_utf8name( filename, "r" );
 260                     //LCMSAPI cmsHPROFILE   LCMSEXPORT cmsOpenProfileFromMem(LPVOID MemPtr, DWORD dwSize);
 261
 262                     // Try to open relative
 263                     SPDocument *doc = SP_OBJECT_DOCUMENT(object);
 264                     if (!doc) {
 265                         doc = SP_ACTIVE_DOCUMENT;
 266                         g_warning("object has no document.  using active");
 267                     }
 268                     //# 1.  Get complete URI of document
 269                     gchar const *docbase = SP_DOCUMENT_URI( doc );
 270                     if (!docbase)
 271                     {
 272                         // Normal for files that have not yet been saved.
 273                         docbase = "";
 274                     }
 275                     //g_message("docbase:%s\n", docbase);
 276                     org::w3c::dom::URI docUri(docbase);
 277                     //# 2. Get href of icc file.  we don't care if it's rel or abs
 278                     org::w3c::dom::URI hrefUri(cprof->href);
 279                     //# 3.  Resolve the href according the docBase.  This follows
 280                     //      the w3c specs.  All absolute and relative issues are considered
 281                     org::w3c::dom::URI cprofUri = docUri.resolve(hrefUri);
 282                     gchar* fullname = g_strdup((gchar *)cprofUri.getNativePath().c_str());
 283                     cprof->_clearProfile();
 284                     cprof->profHandle = cmsOpenProfileFromFile( fullname, "r" );
 285                     if ( cprof->profHandle ) {
 286                         cprof->_profileSpace = cmsGetColorSpace( cprof->profHandle );
 287                         cprof->_profileClass = cmsGetDeviceClass( cprof->profHandle );
 288                     }
 289 #ifdef DEBUG_LCMS
 290                     DEBUG_MESSAGE( lcmsOne, "cmsOpenProfileFromFile( '%s'...) = %p", fullname, (void*)cprof->profHandle );
 291 #endif // DEBUG_LCMS
 292                     g_free(fullname);
 293 #endif // ENABLE_LCMS
 294                 }
 295             }
 296             object->requestModified(SP_OBJECT_MODIFIED_FLAG);
 297             break;
 298
 299         case SP_ATTR_LOCAL:
 300             if ( cprof->local ) {
 301                 g_free( cprof->local );
 302                 cprof->local = 0;
 303             }
 304             cprof->local = g_strdup( value );
 305             object->requestModified(SP_OBJECT_MODIFIED_FLAG);
 306             break;
 307
 308         case SP_ATTR_NAME:
 309             if ( cprof->name ) {
 310                 g_free( cprof->name );
 311                 cprof->name = 0;
 312             }
 313             cprof->name = g_strdup( value );
 314 #ifdef DEBUG_LCMS
 315             DEBUG_MESSAGE( lcmsTwo, "<color-profile> name set to '%s'", cprof->name );
 316 #endif // DEBUG_LCMS
 317             object->requestModified(SP_OBJECT_MODIFIED_FLAG);
 318             break;
 319
 320         case SP_ATTR_RENDERING_INTENT:
 321             if ( cprof->intentStr ) {
 322                 g_free( cprof->intentStr );
 323                 cprof->intentStr = 0;
 324             }
 325             cprof->intentStr = g_strdup( value );
 326
 327             if ( value ) {
 328                 if ( strcmp( value, "auto" ) == 0 ) {
 329                     cprof->rendering_intent = RENDERING_INTENT_AUTO;
 330                 } else if ( strcmp( value, "perceptual" ) == 0 ) {
 331                     cprof->rendering_intent = RENDERING_INTENT_PERCEPTUAL;
 332                 } else if ( strcmp( value, "relative-colorimetric" ) == 0 ) {
 333                     cprof->rendering_intent = RENDERING_INTENT_RELATIVE_COLORIMETRIC;
 334                 } else if ( strcmp( value, "saturation" ) == 0 ) {
 335                     cprof->rendering_intent = RENDERING_INTENT_SATURATION;
 336                 } else if ( strcmp( value, "absolute-colorimetric" ) == 0 ) {
 337                     cprof->rendering_intent = RENDERING_INTENT_ABSOLUTE_COLORIMETRIC;
 338                 } else {
 339                     cprof->rendering_intent = RENDERING_INTENT_UNKNOWN;
 340                 }
 341             } else {
 342                 cprof->rendering_intent = RENDERING_INTENT_UNKNOWN;
 343             }
 344
 345             object->requestModified(SP_OBJECT_MODIFIED_FLAG);
 346             break;
 347
 348         default:
 349             if (cprof_parent_class->set) {
 350                 (* cprof_parent_class->set)(object, key, value);
 351             }
 352             break;
 353     }
 354
 355 }
 356
 357 /**
 358  * Callback: write attributes to associated repr.
 359  */
 360 Inkscape::XML::Node* ColorProfile::write( SPObject *object, Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags )
 361 {
 362     ColorProfile *cprof = COLORPROFILE(object);
 363
 364     if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) {
 365         repr = xml_doc->createElement("svg:color-profile");
 366     }
 367
 368     if ( (flags & SP_OBJECT_WRITE_ALL) || cprof->href ) {
 369         repr->setAttribute( "xlink:href", cprof->href );
 370     }
 371
 372     if ( (flags & SP_OBJECT_WRITE_ALL) || cprof->local ) {
 373         repr->setAttribute( "local", cprof->local );
 374     }
 375
 376     if ( (flags & SP_OBJECT_WRITE_ALL) || cprof->name ) {
 377         repr->setAttribute( "name", cprof->name );
 378     }
 379
 380     if ( (flags & SP_OBJECT_WRITE_ALL) || cprof->intentStr ) {
 381         repr->setAttribute( "rendering-intent", cprof->intentStr );
 382     }
 383
 384     if (cprof_parent_class->write) {
 385         (* cprof_parent_class->write)(object, xml_doc, repr, flags);
 386     }
 387
 388     return repr;
 389 }
 390
 391
 392 #if ENABLE_LCMS
 393
 394 struct MapMap {
 395     icColorSpaceSignature space;
 396     DWORD inForm;
 397 };
 398
 399 DWORD ColorProfile::_getInputFormat( icColorSpaceSignature space )
 400 {
 401     MapMap possible[] = {
 402         {icSigXYZData,   TYPE_XYZ_16},
 403         {icSigLabData,   TYPE_Lab_16},
 404         //icSigLuvData
 405         {icSigYCbCrData, TYPE_YCbCr_16},
 406         {icSigYxyData,   TYPE_Yxy_16},
 407         {icSigRgbData,   TYPE_RGB_16},
 408         {icSigGrayData,  TYPE_GRAY_16},
 409         {icSigHsvData,   TYPE_HSV_16},
 410         {icSigHlsData,   TYPE_HLS_16},
 411         {icSigCmykData,  TYPE_CMYK_16},
 412         {icSigCmyData,   TYPE_CMY_16},
 413     };
 414
 415     int index = 0;
 416     for ( guint i = 0; i < G_N_ELEMENTS(possible); i++ ) {
 417         if ( possible[i].space == space ) {
 418             index = i;
 419             break;
 420         }
 421     }
 422
 423     return possible[index].inForm;
 424 }
 425
 426 static int getLcmsIntent( guint svgIntent )
 427 {
 428     int intent = INTENT_PERCEPTUAL;
 429     switch ( svgIntent ) {
 430         case Inkscape::RENDERING_INTENT_RELATIVE_COLORIMETRIC:
 431             intent = INTENT_RELATIVE_COLORIMETRIC;
 432             break;
 433         case Inkscape::RENDERING_INTENT_SATURATION:
 434             intent = INTENT_SATURATION;
 435             break;
 436         case Inkscape::RENDERING_INTENT_ABSOLUTE_COLORIMETRIC:
 437             intent = INTENT_ABSOLUTE_COLORIMETRIC;
 438             break;
 439         case Inkscape::RENDERING_INTENT_PERCEPTUAL:
 440         case Inkscape::RENDERING_INTENT_UNKNOWN:
 441         case Inkscape::RENDERING_INTENT_AUTO:
 442         default:
 443             intent = INTENT_PERCEPTUAL;
 444     }
 445     return intent;
 446 }
 447
 448 static SPObject* bruteFind( SPDocument* document, gchar const* name )
 449 {
 450     SPObject* result = 0;
 451     const GSList * current = sp_document_get_resource_list(document, "iccprofile");
 452     while ( current && !result ) {
 453         if ( IS_COLORPROFILE(current->data) ) {
 454             ColorProfile* prof = COLORPROFILE(current->data);
 455             if ( prof ) {
 456                 if ( prof->name && (strcmp(prof->name, name) == 0) ) {
 457                     result = SP_OBJECT(current->data);
 458                     break;
 459                 }
 460             }
 461         }
 462         current = g_slist_next(current);
 463     }
 464
 465     return result;
 466 }
 467
 468 cmsHPROFILE Inkscape::colorprofile_get_handle( SPDocument* document, guint* intent, gchar const* name )
 469 {
 470     cmsHPROFILE prof = 0;
 471
 472     SPObject* thing = bruteFind( document, name );
 473     if ( thing ) {
 474         prof = COLORPROFILE(thing)->profHandle;
 475     }
 476
 477     if ( intent ) {
 478         *intent = thing ? COLORPROFILE(thing)->rendering_intent : (guint)RENDERING_INTENT_UNKNOWN;
 479     }
 480
 481 #ifdef DEBUG_LCMS
 482     DEBUG_MESSAGE( lcmsThree, "<color-profile> queried for profile of '%s'. Returning %p with intent of %d", name, prof, (intent? *intent:0) );
 483 #endif // DEBUG_LCMS
 484
 485     return prof;
 486 }
 487
 488 cmsHTRANSFORM ColorProfile::getTransfToSRGB8()
 489 {
 490     if ( !_transf && profHandle ) {
 491         int intent = getLcmsIntent(rendering_intent);
 492         _transf = cmsCreateTransform( profHandle, _getInputFormat(_profileSpace), getSRGBProfile(), TYPE_RGBA_8, intent, 0 );
 493     }
 494     return _transf;
 495 }
 496
 497 cmsHTRANSFORM ColorProfile::getTransfFromSRGB8()
 498 {
 499     if ( !_revTransf && profHandle ) {
 500         int intent = getLcmsIntent(rendering_intent);
 501         _revTransf = cmsCreateTransform( getSRGBProfile(), TYPE_RGBA_8, profHandle, _getInputFormat(_profileSpace), intent, 0 );
 502     }
 503     return _revTransf;
 504 }
 505
 506
 507 #include <io/sys.h>
 508
 509 class ProfileInfo
 510 {
 511 public:
 512     ProfileInfo( cmsHPROFILE, Glib::ustring const & path );
 513
 514     Glib::ustring const& getName() {return _name;}
 515     Glib::ustring const& getPath() {return _path;}
 516     icColorSpaceSignature getSpace() {return _profileSpace;}
 517     icProfileClassSignature getClass() {return _profileClass;}
 518
 519 private:
 520     Glib::ustring _path;
 521     Glib::ustring _name;
 522     icColorSpaceSignature _profileSpace;
 523     icProfileClassSignature _profileClass;
 524 };
 525
 526
 527 ProfileInfo::ProfileInfo( cmsHPROFILE prof, Glib::ustring const & path )
 528 {
 529     _path = path;
 530     _name = cmsTakeProductDesc(prof);
 531     _profileSpace = cmsGetColorSpace( prof );
 532     _profileClass = cmsGetDeviceClass( prof );
 533 }
 534
 535
 536
 537 static std::vector<ProfileInfo> knownProfiles;
 538
 539 std::vector<Glib::ustring> Inkscape::colorprofile_get_display_names()
 540 {
 541     std::vector<Glib::ustring> result;
 542
 543     for ( std::vector<ProfileInfo>::iterator it = knownProfiles.begin(); it != knownProfiles.end(); ++it ) {
 544         if ( it->getClass() == icSigDisplayClass && it->getSpace() == icSigRgbData ) {
 545             result.push_back( it->getName() );
 546         }
 547     }
 548
 549     return result;
 550 }
 551
 552 std::vector<Glib::ustring> Inkscape::colorprofile_get_softproof_names()
 553 {
 554     std::vector<Glib::ustring> result;
 555
 556     for ( std::vector<ProfileInfo>::iterator it = knownProfiles.begin(); it != knownProfiles.end(); ++it ) {
 557         if ( it->getClass() == icSigOutputClass ) {
 558             result.push_back( it->getName() );
 559         }
 560     }
 561
 562     return result;
 563 }
 564
 565 Glib::ustring Inkscape::get_path_for_profile(Glib::ustring const& name)
 566 {
 567     Glib::ustring result;
 568
 569     for ( std::vector<ProfileInfo>::iterator it = knownProfiles.begin(); it != knownProfiles.end(); ++it ) {
 570         if ( name == it->getName() ) {
 571             result = it->getPath();
 572             break;
 573         }
 574     }
 575
 576     return result;
 577 }
 578 #endif // ENABLE_LCMS
 579
 580 std::list<Glib::ustring> ColorProfile::getProfileDirs() {
 581     std::list<Glib::ustring> sources;
 582
 583     gchar* base = profile_path("XXX");
 584     {
 585         gchar* base2 = g_path_get_dirname(base);
 586         g_free(base);
 587         base = base2;
 588         base2 = g_path_get_dirname(base);
 589         g_free(base);
 590         base = base2;
 591     }
 592
 593     // first try user's local dir
 594     sources.push_back( g_build_filename(g_get_user_data_dir(), "color", "icc", NULL) );
 595
 596
 597     const gchar* const * dataDirs = g_get_system_data_dirs();
 598     for ( int i = 0; dataDirs[i]; i++ ) {
 599         gchar* path = g_build_filename(dataDirs[i], "color", "icc", NULL);
 600         sources.push_back(path);
 601         g_free(path);
 602     }
 603
 604     // On OS X:
 605     if ( g_file_test("/Library/ColorSync/Profiles", G_FILE_TEST_EXISTS)  && g_file_test("/Library/ColorSync/Profiles", G_FILE_TEST_IS_DIR) ) {
 606         sources.push_back("/Library/ColorSync/Profiles");
 607
 608         gchar* path = g_build_filename(g_get_home_dir(), "Library", "ColorSync", "Profiles", NULL);
 609         if ( g_file_test(path, G_FILE_TEST_EXISTS)  && g_file_test(path, G_FILE_TEST_IS_DIR) ) {
 610             sources.push_back(path);
 611         }
 612         g_free(path);
 613     }
 614
 615
 616 #ifdef WIN32
 617     wchar_t pathBuf[MAX_PATH + 1];
 618     pathBuf[0] = 0;
 619     DWORD pathSize = sizeof(pathBuf);
 620     g_assert(sizeof(wchar_t) == sizeof(gunichar2));
 621     if ( GetColorDirectoryW( NULL, pathBuf, &pathSize ) ) {
 622         gchar * utf8Path = g_utf16_to_utf8( (gunichar2*)(&pathBuf[0]), -1, NULL, NULL, NULL );
 623         if ( !g_utf8_validate(utf8Path, -1, NULL) ) {
 624             g_warning( "GetColorDirectoryW() resulted in invalid UTF-8" );
 625         } else {
 626             sources.push_back(utf8Path);
 627         }
 628         g_free( utf8Path );
 629     }
 630 #endif // WIN32
 631
 632     return sources;
 633 }
 634
 635 #if ENABLE_LCMS
 636 static void findThings() {
 637     std::list<Glib::ustring> sources = ColorProfile::getProfileDirs();
 638
 639     for ( std::list<Glib::ustring>::const_iterator it = sources.begin(); it != sources.end(); ++it ) {
 640         if ( g_file_test( it->c_str(), G_FILE_TEST_EXISTS ) && g_file_test( it->c_str(), G_FILE_TEST_IS_DIR ) ) {
 641             GError *err = 0;
 642             GDir *dir = g_dir_open(it->c_str(), 0, &err);
 643
 644             if (dir) {
 645                 for (gchar const *file = g_dir_read_name(dir); file != NULL; file = g_dir_read_name(dir)) {
 646                     gchar *filepath = g_build_filename(it->c_str(), file, NULL);
 647
 648
 649                     if ( g_file_test( filepath, G_FILE_TEST_IS_DIR ) ) {
 650                         sources.push_back(g_strdup(filepath));
 651                     } else {
 652                         bool isIccFile = false;
 653                         struct stat st;
 654                         if ( g_stat(filepath, &st) == 0 && (st.st_size > 128) ) {
 655                             //0-3 == size
 656                             //36-39 == 'acsp' 0x61637370
 657                             int fd = g_open( filepath, O_RDONLY, S_IRWXU);
 658                             if ( fd != -1 ) {
 659                                 guchar scratch[40] = {0};
 660                                 size_t len = sizeof(scratch);
 661
 662                                 //size_t left = 40;
 663                                 ssize_t got = read(fd, scratch, len);
 664                                 if ( got != -1 ) {
 665                                     size_t calcSize = (scratch[0] << 24) | (scratch[1] << 16) | (scratch[2] << 8) | scratch[3];
 666                                     if ( calcSize > 128 && calcSize <= static_cast<size_t>(st.st_size) ) {
 667                                         isIccFile = (scratch[36] == 'a') && (scratch[37] == 'c') && (scratch[38] == 's') && (scratch[39] == 'p');
 668                                     }
 669                                 }
 670
 671                                 close(fd);
 672                             }
 673                         }
 674
 675                         if ( isIccFile ) {
 676                             cmsHPROFILE prof = cmsOpenProfileFromFile( filepath, "r" );
 677                             if ( prof ) {
 678                                 ProfileInfo info( prof, Glib::filename_to_utf8( filepath ) );
 679                                 cmsCloseProfile( prof );
 680
 681                                 bool sameName = false;
 682                                 for ( std::vector<ProfileInfo>::iterator it = knownProfiles.begin(); it != knownProfiles.end(); ++it ) {
 683                                     if ( it->getName() == info.getName() ) {
 684                                         sameName = true;
 685                                         break;
 686                                     }
 687                                 }
 688
 689                                 if ( !sameName ) {
 690                                     knownProfiles.push_back(info);
 691                                 }
 692                             }
 693                         }
 694                     }
 695
 696                     g_free(filepath);
 697                 }
 698             }
 699         }
 700     }
 701 }
 702
 703 int errorHandlerCB(int ErrorCode, const char *ErrorText)
 704 {
 705     g_message("lcms: Error %d; %s", ErrorCode, ErrorText);
 706
 707     return 1;
 708 }
 709
 710 static bool gamutWarn = false;
 711 static Gdk::Color lastGamutColor("#808080");
 712 static bool lastBPC = false;
 713 #if defined(cmsFLAGS_PRESERVEBLACK)
 714 static bool lastPreserveBlack = false;
 715 #endif // defined(cmsFLAGS_PRESERVEBLACK)
 716 static int lastIntent = INTENT_PERCEPTUAL;
 717 static int lastProofIntent = INTENT_PERCEPTUAL;
 718 static cmsHTRANSFORM transf = 0;
 719
 720 cmsHPROFILE Inkscape::colorprofile_get_system_profile_handle()
 721 {
 722     static cmsHPROFILE theOne = 0;
 723     static Glib::ustring lastURI;
 724
 725     static bool init = false;
 726     if ( !init ) {
 727         cmsSetErrorHandler(errorHandlerCB);
 728
 729         findThings();
 730         init = true;
 731     }
 732
 733     Inkscape::Preferences *prefs = Inkscape::Preferences::get();
 734     Glib::ustring uri = prefs->getString("/options/displayprofile/uri");
 735
 736     if ( !uri.empty() ) {
 737         if ( uri != lastURI ) {
 738             lastURI.clear();
 739             if ( theOne ) {
 740                 cmsCloseProfile( theOne );
 741             }
 742             if ( transf ) {
 743                 cmsDeleteTransform( transf );
 744                 transf = 0;
 745             }
 746             theOne = cmsOpenProfileFromFile( uri.data(), "r" );
 747             if ( theOne ) {
 748                 // a display profile must have the proper stuff
 749                 icColorSpaceSignature space = cmsGetColorSpace(theOne);
 750                 icProfileClassSignature profClass = cmsGetDeviceClass(theOne);
 751
 752                 if ( profClass != icSigDisplayClass ) {
 753                     g_warning("Not a display profile");
 754                     cmsCloseProfile( theOne );
 755                     theOne = 0;
 756                 } else if ( space != icSigRgbData ) {
 757                     g_warning("Not an RGB profile");
 758                     cmsCloseProfile( theOne );
 759                     theOne = 0;
 760                 } else {
 761                     lastURI = uri;
 762                 }
 763             }
 764         }
 765     } else if ( theOne ) {
 766         cmsCloseProfile( theOne );
 767         theOne = 0;
 768         lastURI.clear();
 769         if ( transf ) {
 770             cmsDeleteTransform( transf );
 771             transf = 0;
 772         }
 773     }
 774
 775     return theOne;
 776 }
 777
 778
 779 cmsHPROFILE Inkscape::colorprofile_get_proof_profile_handle()
 780 {
 781     static cmsHPROFILE theOne = 0;
 782     static Glib::ustring lastURI;
 783
 784     static bool init = false;
 785     if ( !init ) {
 786         cmsSetErrorHandler(errorHandlerCB);
 787
 788         findThings();
 789         init = true;
 790     }
 791
 792     Inkscape::Preferences *prefs = Inkscape::Preferences::get();
 793     bool which = prefs->getBool( "/options/softproof/enable");
 794     Glib::ustring uri = prefs->getString("/options/softproof/uri");
 795
 796     if ( which && !uri.empty() ) {
 797         if ( lastURI != uri ) {
 798             lastURI.clear();
 799             if ( theOne ) {
 800                 cmsCloseProfile( theOne );
 801             }
 802             if ( transf ) {
 803                 cmsDeleteTransform( transf );
 804                 transf = 0;
 805             }
 806             theOne = cmsOpenProfileFromFile( uri.data(), "r" );
 807             if ( theOne ) {
 808                 // a display profile must have the proper stuff
 809                 icColorSpaceSignature space = cmsGetColorSpace(theOne);
 810                 icProfileClassSignature profClass = cmsGetDeviceClass(theOne);
 811
 812                 (void)space;
 813                 (void)profClass;
 814 /*
 815                 if ( profClass != icSigDisplayClass ) {
 816                     g_warning("Not a display profile");
 817                     cmsCloseProfile( theOne );
 818                     theOne = 0;
 819                 } else if ( space != icSigRgbData ) {
 820                     g_warning("Not an RGB profile");
 821                     cmsCloseProfile( theOne );
 822                     theOne = 0;
 823                 } else {
 824 */
 825                     lastURI = uri;
 826 /*
 827                 }
 828 */
 829             }
 830         }
 831     } else if ( theOne ) {
 832         cmsCloseProfile( theOne );
 833         theOne = 0;
 834         lastURI.clear();
 835         if ( transf ) {
 836             cmsDeleteTransform( transf );
 837             transf = 0;
 838         }
 839     }
 840
 841     return theOne;
 842 }
 843
 844 static void free_transforms();
 845
 846 cmsHTRANSFORM Inkscape::colorprofile_get_display_transform()
 847 {
 848     Inkscape::Preferences *prefs = Inkscape::Preferences::get();
 849     bool fromDisplay = prefs->getBool( "/options/displayprofile/from_display");
 850     if ( fromDisplay ) {
 851         if ( transf ) {
 852             cmsDeleteTransform(transf);
 853             transf = 0;
 854         }
 855         return 0;
 856     }
 857
 858     bool warn = prefs->getBool( "/options/softproof/gamutwarn");
 859     int intent = prefs->getIntLimited( "/options/displayprofile/intent", 0, 0, 3 );
 860     int proofIntent = prefs->getIntLimited( "/options/softproof/intent", 0, 0, 3 );
 861     bool bpc = prefs->getBool( "/options/softproof/bpc");
 862 #if defined(cmsFLAGS_PRESERVEBLACK)
 863     bool preserveBlack = prefs->getBool( "/options/softproof/preserveblack");
 864 #endif //defined(cmsFLAGS_PRESERVEBLACK)
 865     Glib::ustring colorStr = prefs->getString("/options/softproof/gamutcolor");
 866     Gdk::Color gamutColor( colorStr.empty() ? "#808080" : colorStr );
 867
 868     if ( (warn != gamutWarn)
 869          || (lastIntent != intent)
 870          || (lastProofIntent != proofIntent)
 871          || (bpc != lastBPC)
 872 #if defined(cmsFLAGS_PRESERVEBLACK)
 873          || (preserveBlack != lastPreserveBlack)
 874 #endif // defined(cmsFLAGS_PRESERVEBLACK)
 875          || (gamutColor != lastGamutColor)
 876         ) {
 877         gamutWarn = warn;
 878         free_transforms();
 879         lastIntent = intent;
 880         lastProofIntent = proofIntent;
 881         lastBPC = bpc;
 882 #if defined(cmsFLAGS_PRESERVEBLACK)
 883         lastPreserveBlack = preserveBlack;
 884 #endif // defined(cmsFLAGS_PRESERVEBLACK)
 885         lastGamutColor = gamutColor;
 886     }
 887
 888     // Fetch these now, as they might clear the transform as a side effect.
 889     cmsHPROFILE hprof = Inkscape::colorprofile_get_system_profile_handle();
 890     cmsHPROFILE proofProf = hprof ? Inkscape::colorprofile_get_proof_profile_handle() : 0;
 891
 892     if ( !transf ) {
 893         if ( hprof && proofProf ) {
 894             DWORD dwFlags = cmsFLAGS_SOFTPROOFING;
 895             if ( gamutWarn ) {
 896                 dwFlags |= cmsFLAGS_GAMUTCHECK;
 897                 cmsSetAlarmCodes(gamutColor.get_red() >> 8, gamutColor.get_green() >> 8, gamutColor.get_blue() >> 8);
 898             }
 899             if ( bpc ) {
 900                 dwFlags |= cmsFLAGS_BLACKPOINTCOMPENSATION;
 901             }
 902 #if defined(cmsFLAGS_PRESERVEBLACK)
 903             if ( preserveBlack ) {
 904                 dwFlags |= cmsFLAGS_PRESERVEBLACK;
 905             }
 906 #endif // defined(cmsFLAGS_PRESERVEBLACK)
 907             transf = cmsCreateProofingTransform( ColorProfile::getSRGBProfile(), TYPE_RGBA_8, hprof, TYPE_RGBA_8, proofProf, intent, proofIntent, dwFlags );
 908         } else if ( hprof ) {
 909             transf = cmsCreateTransform( ColorProfile::getSRGBProfile(), TYPE_RGBA_8, hprof, TYPE_RGBA_8, intent, 0 );
 910         }
 911     }
 912
 913     return transf;
 914 }
 915
 916
 917 class MemProfile {
 918 public:
 919     MemProfile();
 920     ~MemProfile();
 921
 922     std::string id;
 923     cmsHPROFILE hprof;
 924     cmsHTRANSFORM transf;
 925 };
 926
 927 MemProfile::MemProfile() :
 928     id(),
 929     hprof(0),
 930     transf(0)
 931 {
 932 }
 933
 934 MemProfile::~MemProfile()
 935 {
 936 }
 937
 938 static std::vector< std::vector<MemProfile> > perMonitorProfiles;
 939
 940 void free_transforms()
 941 {
 942     if ( transf ) {
 943         cmsDeleteTransform(transf);
 944         transf = 0;
 945     }
 946
 947     for ( std::vector< std::vector<MemProfile> >::iterator it = perMonitorProfiles.begin(); it != perMonitorProfiles.end(); ++it ) {
 948         for ( std::vector<MemProfile>::iterator it2 = it->begin(); it2 != it->end(); ++it2 ) {
 949             if ( it2->transf ) {
 950                 cmsDeleteTransform(it2->transf);
 951                 it2->transf = 0;
 952             }
 953         }
 954     }
 955 }
 956
 957 Glib::ustring Inkscape::colorprofile_get_display_id( int screen, int monitor )
 958 {
 959     Glib::ustring id;
 960
 961     if ( screen >= 0 && screen < static_cast<int>(perMonitorProfiles.size()) ) {
 962         std::vector<MemProfile>& row = perMonitorProfiles[screen];
 963         if ( monitor >= 0 && monitor < static_cast<int>(row.size()) ) {
 964             MemProfile& item = row[monitor];
 965             id = item.id;
 966         }
 967     }
 968
 969     return id;
 970 }
 971
 972 Glib::ustring Inkscape::colorprofile_set_display_per( gpointer buf, guint bufLen, int screen, int monitor )
 973 {
 974     Glib::ustring id;
 975
 976     while ( static_cast<int>(perMonitorProfiles.size()) <= screen ) {
 977         std::vector<MemProfile> tmp;
 978         perMonitorProfiles.push_back(tmp);
 979     }
 980     std::vector<MemProfile>& row = perMonitorProfiles[screen];
 981     while ( static_cast<int>(row.size()) <= monitor ) {
 982         MemProfile tmp;
 983         row.push_back(tmp);
 984     }
 985     MemProfile& item = row[monitor];
 986
 987     if ( item.hprof ) {
 988         cmsCloseProfile( item.hprof );
 989         item.hprof = 0;
 990     }
 991     id.clear();
 992
 993     if ( buf && bufLen ) {
 994         id = Digest::hashHex(Digest::HASH_MD5,
 995                    reinterpret_cast<unsigned char*>(buf), bufLen);
 996
 997         // Note: if this is not a valid profile, item.hprof will be set to null.
 998         item.hprof = cmsOpenProfileFromMem(buf, bufLen);
 999     }
1000     item.id = id;
1001
1002     return id;
1003 }
1004
1005 cmsHTRANSFORM Inkscape::colorprofile_get_display_per( Glib::ustring const& id )
1006 {
1007     cmsHTRANSFORM result = 0;
1008     if ( id.empty() ) {
1009         return 0;
1010     }
1011
1012     Inkscape::Preferences *prefs = Inkscape::Preferences::get();
1013     bool found = false;
1014     for ( std::vector< std::vector<MemProfile> >::iterator it = perMonitorProfiles.begin(); it != perMonitorProfiles.end() && !found; ++it ) {
1015         for ( std::vector<MemProfile>::iterator it2 = it->begin(); it2 != it->end() && !found; ++it2 ) {
1016             if ( id == it2->id ) {
1017                 MemProfile& item = *it2;
1018
1019                 bool warn = prefs->getBool( "/options/softproof/gamutwarn");
1020                 int intent = prefs->getIntLimited( "/options/displayprofile/intent", 0, 0, 3 );
1021                 int proofIntent = prefs->getIntLimited( "/options/softproof/intent", 0, 0, 3 );
1022                 bool bpc = prefs->getBool( "/options/softproof/bpc");
1023 #if defined(cmsFLAGS_PRESERVEBLACK)
1024                 bool preserveBlack = prefs->getBool( "/options/softproof/preserveblack");
1025 #endif //defined(cmsFLAGS_PRESERVEBLACK)
1026                 Glib::ustring colorStr = prefs->getString("/options/softproof/gamutcolor");
1027                 Gdk::Color gamutColor( colorStr.empty() ? "#808080" : colorStr );
1028
1029                 if ( (warn != gamutWarn)
1030                      || (lastIntent != intent)
1031                      || (lastProofIntent != proofIntent)
1032                      || (bpc != lastBPC)
1033 #if defined(cmsFLAGS_PRESERVEBLACK)
1034                      || (preserveBlack != lastPreserveBlack)
1035 #endif // defined(cmsFLAGS_PRESERVEBLACK)
1036                      || (gamutColor != lastGamutColor)
1037                     ) {
1038                     gamutWarn = warn;
1039                     free_transforms();
1040                     lastIntent = intent;
1041                     lastProofIntent = proofIntent;
1042                     lastBPC = bpc;
1043 #if defined(cmsFLAGS_PRESERVEBLACK)
1044                     lastPreserveBlack = preserveBlack;
1045 #endif // defined(cmsFLAGS_PRESERVEBLACK)
1046                     lastGamutColor = gamutColor;
1047                 }
1048
1049                 // Fetch these now, as they might clear the transform as a side effect.
1050                 cmsHPROFILE proofProf = item.hprof ? Inkscape::colorprofile_get_proof_profile_handle() : 0;
1051
1052                 if ( !item.transf ) {
1053                     if ( item.hprof && proofProf ) {
1054                         DWORD dwFlags = cmsFLAGS_SOFTPROOFING;
1055                         if ( gamutWarn ) {
1056                             dwFlags |= cmsFLAGS_GAMUTCHECK;
1057                             cmsSetAlarmCodes(gamutColor.get_red() >> 8, gamutColor.get_green() >> 8, gamutColor.get_blue() >> 8);
1058                         }
1059                         if ( bpc ) {
1060                             dwFlags |= cmsFLAGS_BLACKPOINTCOMPENSATION;
1061                         }
1062 #if defined(cmsFLAGS_PRESERVEBLACK)
1063                         if ( preserveBlack ) {
1064                             dwFlags |= cmsFLAGS_PRESERVEBLACK;
1065                         }
1066 #endif // defined(cmsFLAGS_PRESERVEBLACK)
1067                         item.transf = cmsCreateProofingTransform( ColorProfile::getSRGBProfile(), TYPE_RGBA_8, item.hprof, TYPE_RGBA_8, proofProf, intent, proofIntent, dwFlags );
1068                     } else if ( item.hprof ) {
1069                         item.transf = cmsCreateTransform( ColorProfile::getSRGBProfile(), TYPE_RGBA_8, item.hprof, TYPE_RGBA_8, intent, 0 );
1070                     }
1071                 }
1072
1073                 result = item.transf;
1074                 found = true;
1075             }
1076         }
1077     }
1078
1079     return result;
1080 }
1081
1082
1083
1084 #endif // ENABLE_LCMS
1085
1086 /*
1087   Local Variables:
1088   mode:c++
1089   c-file-style:"stroustrup"
1090   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1091   indent-tabs-mode:nil
1092   fill-column:99
1093   End:
1094 */
1095 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :