src/color-profile.cpp

   1 #ifdef HAVE_CONFIG_H
   2 # include "config.h"
   3 #endif
   4
   5 #define noDEBUG_LCMS
   6
   7 #include <glib/gstdio.h>
   8 #include <sys/fcntl.h>
   9 #include <gdkmm/color.h>
  10 #include <glib/gi18n.h>
  11
  12 #ifdef DEBUG_LCMS
  13 #include <gtk/gtkmessagedialog.h>
  14 #endif // DEBUG_LCMS
  15
  16 #include <cstring>
  17 #include <string>
  18
  19 #ifdef WIN32
  20 #ifndef _WIN32_WINDOWS         // Allow use of features specific to Windows 98 or later. Required for correctly including icm.h
  21 #define _WIN32_WINDOWS 0x0410
  22 #endif
  23 #include <windows.h>
  24 #endif
  25
  26 #include "xml/repr.h"
  27 #include "color.h"
  28 #include "color-profile.h"
  29 #include "color-profile-fns.h"
  30 #include "attributes.h"
  31 #include "inkscape.h"
  32 #include "document.h"
  33 #include "preferences.h"
  34
  35 #include "dom/uri.h"
  36 #include "dom/util/digest.h"
  37
  38 #ifdef WIN32
  39 #include <icm.h>
  40 #endif // WIN32
  41
  42 using Inkscape::ColorProfile;
  43 using Inkscape::ColorProfileClass;
  44
  45 namespace Inkscape
  46 {
  47 #if ENABLE_LCMS
  48 static cmsHPROFILE colorprofile_get_system_profile_handle();
  49 static cmsHPROFILE colorprofile_get_proof_profile_handle();
  50 #endif // ENABLE_LCMS
  51 }
  52
  53 #ifdef DEBUG_LCMS
  54 extern guint update_in_progress;
  55 #define DEBUG_MESSAGE_SCISLAC(key, ...) \
  56 {\
  57     Inkscape::Preferences *prefs = Inkscape::Preferences::get();\
  58     bool dump = prefs->getBool(Glib::ustring("/options/scislac/") + #key);\
  59     bool dumpD = prefs->getBool(Glib::ustring("/options/scislac/") + #key"D");\
  60     bool dumpD2 = prefs->getBool(Glib::ustring("/options/scislac/") + #key"D2");\
  61     dumpD &= ( (update_in_progress == 0) || dumpD2 );\
  62     if ( dump )\
  63     {\
  64         g_message( __VA_ARGS__ );\
  65 \
  66     }\
  67     if ( dumpD )\
  68     {\
  69         GtkWidget *dialog = gtk_message_dialog_new(NULL,\
  70                                                    GTK_DIALOG_DESTROY_WITH_PARENT, \
  71                                                    GTK_MESSAGE_INFO,    \
  72                                                    GTK_BUTTONS_OK,      \
  73                                                    __VA_ARGS__          \
  74                                                    );\
  75         g_signal_connect_swapped(dialog, "response",\
  76                                  G_CALLBACK(gtk_widget_destroy),        \
  77                                  dialog);                               \
  78         gtk_widget_show_all( dialog );\
  79     }\
  80 }
  81
  82
  83 #define DEBUG_MESSAGE(key, ...)\
  84 {\
  85     g_message( __VA_ARGS__ );\
  86 }
  87
  88 #endif // DEBUG_LCMS
  89
  90 static SPObjectClass *cprof_parent_class;
  91
  92 #if ENABLE_LCMS
  93
  94 cmsHPROFILE ColorProfile::_sRGBProf = 0;
  95
  96 cmsHPROFILE ColorProfile::getSRGBProfile() {
  97     if ( !_sRGBProf ) {
  98         _sRGBProf = cmsCreate_sRGBProfile();
  99     }
 100     return _sRGBProf;
 101 }
 102
 103 cmsHPROFILE ColorProfile::_NullProf = 0;
 104
 105 cmsHPROFILE ColorProfile::getNULLProfile() {
 106     if ( !_NullProf ) {
 107         _NullProf = cmsCreateNULLProfile();
 108     }
 109     return _NullProf;
 110 }
 111
 112 #endif // ENABLE_LCMS
 113
 114 /**
 115  * Register ColorProfile class and return its type.
 116  */
 117 GType Inkscape::colorprofile_get_type()
 118 {
 119     return ColorProfile::getType();
 120 }
 121
 122 GType ColorProfile::getType()
 123 {
 124     static GType type = 0;
 125     if (!type) {
 126         GTypeInfo info = {
 127             sizeof(ColorProfileClass),
 128             NULL, NULL,
 129             (GClassInitFunc) ColorProfile::classInit,
 130             NULL, NULL,
 131             sizeof(ColorProfile),
 132             16,
 133             (GInstanceInitFunc) ColorProfile::init,
 134             NULL,   /* value_table */
 135         };
 136         type = g_type_register_static( SP_TYPE_OBJECT, "ColorProfile", &info, static_cast<GTypeFlags>(0) );
 137     }
 138     return type;
 139 }
 140
 141 /**
 142  * ColorProfile vtable initialization.
 143  */
 144 void ColorProfile::classInit( ColorProfileClass *klass )
 145 {
 146     SPObjectClass *sp_object_class = reinterpret_cast<SPObjectClass *>(klass);
 147
 148     cprof_parent_class = static_cast<SPObjectClass*>(g_type_class_ref(SP_TYPE_OBJECT));
 149
 150     sp_object_class->release = ColorProfile::release;
 151     sp_object_class->build = ColorProfile::build;
 152     sp_object_class->set = ColorProfile::set;
 153     sp_object_class->write = ColorProfile::write;
 154 }
 155
 156 /**
 157  * Callback for ColorProfile object initialization.
 158  */
 159 void ColorProfile::init( ColorProfile *cprof )
 160 {
 161     cprof->href = 0;
 162     cprof->local = 0;
 163     cprof->name = 0;
 164     cprof->intentStr = 0;
 165     cprof->rendering_intent = Inkscape::RENDERING_INTENT_UNKNOWN;
 166 #if ENABLE_LCMS
 167     cprof->profHandle = 0;
 168     cprof->_profileClass = icSigInputClass;
 169     cprof->_profileSpace = icSigRgbData;
 170     cprof->_transf = 0;
 171     cprof->_revTransf = 0;
 172     cprof->_gamutTransf = 0;
 173 #endif // ENABLE_LCMS
 174 }
 175
 176 /**
 177  * Callback: free object
 178  */
 179 void ColorProfile::release( SPObject *object )
 180 {
 181     // Unregister ourselves
 182     SPDocument* document = SP_OBJECT_DOCUMENT(object);
 183     if ( document ) {
 184         sp_document_remove_resource (SP_OBJECT_DOCUMENT (object), "iccprofile", SP_OBJECT (object));
 185     }
 186
 187     ColorProfile *cprof = COLORPROFILE(object);
 188     if ( cprof->href ) {
 189         g_free( cprof->href );
 190         cprof->href = 0;
 191     }
 192
 193     if ( cprof->local ) {
 194         g_free( cprof->local );
 195         cprof->local = 0;
 196     }
 197
 198     if ( cprof->name ) {
 199         g_free( cprof->name );
 200         cprof->name = 0;
 201     }
 202
 203     if ( cprof->intentStr ) {
 204         g_free( cprof->intentStr );
 205         cprof->intentStr = 0;
 206     }
 207
 208 #if ENABLE_LCMS
 209     cprof->_clearProfile();
 210 #endif // ENABLE_LCMS
 211 }
 212
 213 #if ENABLE_LCMS
 214 void ColorProfile::_clearProfile()
 215 {
 216     _profileSpace = icSigRgbData;
 217
 218     if ( _transf ) {
 219         cmsDeleteTransform( _transf );
 220         _transf = 0;
 221     }
 222     if ( _revTransf ) {
 223         cmsDeleteTransform( _revTransf );
 224         _revTransf = 0;
 225     }
 226     if ( _gamutTransf ) {
 227         cmsDeleteTransform( _gamutTransf );
 228         _gamutTransf = 0;
 229     }
 230     if ( profHandle ) {
 231         cmsCloseProfile( profHandle );
 232         profHandle = 0;
 233     }
 234 }
 235 #endif // ENABLE_LCMS
 236
 237 /**
 238  * Callback: set attributes from associated repr.
 239  */
 240 void ColorProfile::build( SPObject *object, SPDocument *document, Inkscape::XML::Node *repr )
 241 {
 242     ColorProfile *cprof = COLORPROFILE(object);
 243     g_assert(cprof->href == 0);
 244     g_assert(cprof->local == 0);
 245     g_assert(cprof->name == 0);
 246     g_assert(cprof->intentStr == 0);
 247
 248     if (cprof_parent_class->build) {
 249         (* cprof_parent_class->build)(object, document, repr);
 250     }
 251     sp_object_read_attr( object, "xlink:href" );
 252     sp_object_read_attr( object, "local" );
 253     sp_object_read_attr( object, "name" );
 254     sp_object_read_attr( object, "rendering-intent" );
 255
 256     // Register
 257     if ( document ) {
 258         sp_document_add_resource( document, "iccprofile", object );
 259     }
 260 }
 261
 262 /**
 263  * Callback: set attribute.
 264  */
 265 void ColorProfile::set( SPObject *object, unsigned key, gchar const *value )
 266 {
 267     ColorProfile *cprof = COLORPROFILE(object);
 268
 269     switch (key) {
 270         case SP_ATTR_XLINK_HREF:
 271             if ( cprof->href ) {
 272                 g_free( cprof->href );
 273                 cprof->href = 0;
 274             }
 275             if ( value ) {
 276                 cprof->href = g_strdup( value );
 277                 if ( *cprof->href ) {
 278 #if ENABLE_LCMS
 279                     cmsErrorAction( LCMS_ERROR_SHOW );
 280
 281                     // TODO open filename and URIs properly
 282                     //FILE* fp = fopen_utf8name( filename, "r" );
 283                     //LCMSAPI cmsHPROFILE   LCMSEXPORT cmsOpenProfileFromMem(LPVOID MemPtr, DWORD dwSize);
 284
 285                     // Try to open relative
 286                     SPDocument *doc = SP_OBJECT_DOCUMENT(object);
 287                     if (!doc) {
 288                         doc = SP_ACTIVE_DOCUMENT;
 289                         g_warning("object has no document.  using active");
 290                     }
 291                     //# 1.  Get complete URI of document
 292                     gchar const *docbase = SP_DOCUMENT_URI( doc );
 293                     if (!docbase)
 294                     {
 295                         // Normal for files that have not yet been saved.
 296                         docbase = "";
 297                     }
 298
 299                     gchar* escaped = g_uri_escape_string(cprof->href, "!*'();:@=+$,/?#[]", TRUE);
 300
 301                     //g_message("docbase:%s\n", docbase);
 302                     org::w3c::dom::URI docUri(docbase);
 303                     //# 2. Get href of icc file.  we don't care if it's rel or abs
 304                     org::w3c::dom::URI hrefUri(escaped);
 305                     //# 3.  Resolve the href according the docBase.  This follows
 306                     //      the w3c specs.  All absolute and relative issues are considered
 307                     org::w3c::dom::URI cprofUri = docUri.resolve(hrefUri);
 308                     gchar* fullname = g_uri_unescape_string(cprofUri.getNativePath().c_str(), "");
 309                     cprof->_clearProfile();
 310                     cprof->profHandle = cmsOpenProfileFromFile( fullname, "r" );
 311                     if ( cprof->profHandle ) {
 312                         cprof->_profileSpace = cmsGetColorSpace( cprof->profHandle );
 313                         cprof->_profileClass = cmsGetDeviceClass( cprof->profHandle );
 314                     }
 315 #ifdef DEBUG_LCMS
 316                     DEBUG_MESSAGE( lcmsOne, "cmsOpenProfileFromFile( '%s'...) = %p", fullname, (void*)cprof->profHandle );
 317 #endif // DEBUG_LCMS
 318                     g_free(escaped);
 319                     escaped = 0;
 320                     g_free(fullname);
 321 #endif // ENABLE_LCMS
 322                 }
 323             }
 324             object->requestModified(SP_OBJECT_MODIFIED_FLAG);
 325             break;
 326
 327         case SP_ATTR_LOCAL:
 328             if ( cprof->local ) {
 329                 g_free( cprof->local );
 330                 cprof->local = 0;
 331             }
 332             cprof->local = g_strdup( value );
 333             object->requestModified(SP_OBJECT_MODIFIED_FLAG);
 334             break;
 335
 336         case SP_ATTR_NAME:
 337             if ( cprof->name ) {
 338                 g_free( cprof->name );
 339                 cprof->name = 0;
 340             }
 341             cprof->name = g_strdup( value );
 342 #ifdef DEBUG_LCMS
 343             DEBUG_MESSAGE( lcmsTwo, "<color-profile> name set to '%s'", cprof->name );
 344 #endif // DEBUG_LCMS
 345             object->requestModified(SP_OBJECT_MODIFIED_FLAG);
 346             break;
 347
 348         case SP_ATTR_RENDERING_INTENT:
 349             if ( cprof->intentStr ) {
 350                 g_free( cprof->intentStr );
 351                 cprof->intentStr = 0;
 352             }
 353             cprof->intentStr = g_strdup( value );
 354
 355             if ( value ) {
 356                 if ( strcmp( value, "auto" ) == 0 ) {
 357                     cprof->rendering_intent = RENDERING_INTENT_AUTO;
 358                 } else if ( strcmp( value, "perceptual" ) == 0 ) {
 359                     cprof->rendering_intent = RENDERING_INTENT_PERCEPTUAL;
 360                 } else if ( strcmp( value, "relative-colorimetric" ) == 0 ) {
 361                     cprof->rendering_intent = RENDERING_INTENT_RELATIVE_COLORIMETRIC;
 362                 } else if ( strcmp( value, "saturation" ) == 0 ) {
 363                     cprof->rendering_intent = RENDERING_INTENT_SATURATION;
 364                 } else if ( strcmp( value, "absolute-colorimetric" ) == 0 ) {
 365                     cprof->rendering_intent = RENDERING_INTENT_ABSOLUTE_COLORIMETRIC;
 366                 } else {
 367                     cprof->rendering_intent = RENDERING_INTENT_UNKNOWN;
 368                 }
 369             } else {
 370                 cprof->rendering_intent = RENDERING_INTENT_UNKNOWN;
 371             }
 372
 373             object->requestModified(SP_OBJECT_MODIFIED_FLAG);
 374             break;
 375
 376         default:
 377             if (cprof_parent_class->set) {
 378                 (* cprof_parent_class->set)(object, key, value);
 379             }
 380             break;
 381     }
 382
 383 }
 384
 385 /**
 386  * Callback: write attributes to associated repr.
 387  */
 388 Inkscape::XML::Node* ColorProfile::write( SPObject *object, Inkscape::XML::Document *xml_doc, Inkscape::XML::Node *repr, guint flags )
 389 {
 390     ColorProfile *cprof = COLORPROFILE(object);
 391
 392     if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) {
 393         repr = xml_doc->createElement("svg:color-profile");
 394     }
 395
 396     if ( (flags & SP_OBJECT_WRITE_ALL) || cprof->href ) {
 397         repr->setAttribute( "xlink:href", cprof->href );
 398     }
 399
 400     if ( (flags & SP_OBJECT_WRITE_ALL) || cprof->local ) {
 401         repr->setAttribute( "local", cprof->local );
 402     }
 403
 404     if ( (flags & SP_OBJECT_WRITE_ALL) || cprof->name ) {
 405         repr->setAttribute( "name", cprof->name );
 406     }
 407
 408     if ( (flags & SP_OBJECT_WRITE_ALL) || cprof->intentStr ) {
 409         repr->setAttribute( "rendering-intent", cprof->intentStr );
 410     }
 411
 412     if (cprof_parent_class->write) {
 413         (* cprof_parent_class->write)(object, xml_doc, repr, flags);
 414     }
 415
 416     return repr;
 417 }
 418
 419
 420 #if ENABLE_LCMS
 421
 422 struct MapMap {
 423     icColorSpaceSignature space;
 424     DWORD inForm;
 425 };
 426
 427 DWORD ColorProfile::_getInputFormat( icColorSpaceSignature space )
 428 {
 429     MapMap possible[] = {
 430         {icSigXYZData,   TYPE_XYZ_16},
 431         {icSigLabData,   TYPE_Lab_16},
 432         //icSigLuvData
 433         {icSigYCbCrData, TYPE_YCbCr_16},
 434         {icSigYxyData,   TYPE_Yxy_16},
 435         {icSigRgbData,   TYPE_RGB_16},
 436         {icSigGrayData,  TYPE_GRAY_16},
 437         {icSigHsvData,   TYPE_HSV_16},
 438         {icSigHlsData,   TYPE_HLS_16},
 439         {icSigCmykData,  TYPE_CMYK_16},
 440         {icSigCmyData,   TYPE_CMY_16},
 441     };
 442
 443     int index = 0;
 444     for ( guint i = 0; i < G_N_ELEMENTS(possible); i++ ) {
 445         if ( possible[i].space == space ) {
 446             index = i;
 447             break;
 448         }
 449     }
 450
 451     return possible[index].inForm;
 452 }
 453
 454 static int getLcmsIntent( guint svgIntent )
 455 {
 456     int intent = INTENT_PERCEPTUAL;
 457     switch ( svgIntent ) {
 458         case Inkscape::RENDERING_INTENT_RELATIVE_COLORIMETRIC:
 459             intent = INTENT_RELATIVE_COLORIMETRIC;
 460             break;
 461         case Inkscape::RENDERING_INTENT_SATURATION:
 462             intent = INTENT_SATURATION;
 463             break;
 464         case Inkscape::RENDERING_INTENT_ABSOLUTE_COLORIMETRIC:
 465             intent = INTENT_ABSOLUTE_COLORIMETRIC;
 466             break;
 467         case Inkscape::RENDERING_INTENT_PERCEPTUAL:
 468         case Inkscape::RENDERING_INTENT_UNKNOWN:
 469         case Inkscape::RENDERING_INTENT_AUTO:
 470         default:
 471             intent = INTENT_PERCEPTUAL;
 472     }
 473     return intent;
 474 }
 475
 476 static SPObject* bruteFind( SPDocument* document, gchar const* name )
 477 {
 478     SPObject* result = 0;
 479     const GSList * current = sp_document_get_resource_list(document, "iccprofile");
 480     while ( current && !result ) {
 481         if ( IS_COLORPROFILE(current->data) ) {
 482             ColorProfile* prof = COLORPROFILE(current->data);
 483             if ( prof ) {
 484                 if ( prof->name && (strcmp(prof->name, name) == 0) ) {
 485                     result = SP_OBJECT(current->data);
 486                     break;
 487                 }
 488             }
 489         }
 490         current = g_slist_next(current);
 491     }
 492
 493     return result;
 494 }
 495
 496 cmsHPROFILE Inkscape::colorprofile_get_handle( SPDocument* document, guint* intent, gchar const* name )
 497 {
 498     cmsHPROFILE prof = 0;
 499
 500     SPObject* thing = bruteFind( document, name );
 501     if ( thing ) {
 502         prof = COLORPROFILE(thing)->profHandle;
 503     }
 504
 505     if ( intent ) {
 506         *intent = thing ? COLORPROFILE(thing)->rendering_intent : (guint)RENDERING_INTENT_UNKNOWN;
 507     }
 508
 509 #ifdef DEBUG_LCMS
 510     DEBUG_MESSAGE( lcmsThree, "<color-profile> queried for profile of '%s'. Returning %p with intent of %d", name, prof, (intent? *intent:0) );
 511 #endif // DEBUG_LCMS
 512
 513     return prof;
 514 }
 515
 516 cmsHTRANSFORM ColorProfile::getTransfToSRGB8()
 517 {
 518     if ( !_transf && profHandle ) {
 519         int intent = getLcmsIntent(rendering_intent);
 520         _transf = cmsCreateTransform( profHandle, _getInputFormat(_profileSpace), getSRGBProfile(), TYPE_RGBA_8, intent, 0 );
 521     }
 522     return _transf;
 523 }
 524
 525 cmsHTRANSFORM ColorProfile::getTransfFromSRGB8()
 526 {
 527     if ( !_revTransf && profHandle ) {
 528         int intent = getLcmsIntent(rendering_intent);
 529         _revTransf = cmsCreateTransform( getSRGBProfile(), TYPE_RGBA_8, profHandle, _getInputFormat(_profileSpace), intent, 0 );
 530     }
 531     return _revTransf;
 532 }
 533
 534 cmsHTRANSFORM ColorProfile::getTransfGamutCheck()
 535 {
 536     if ( !_gamutTransf ) {
 537         _gamutTransf = cmsCreateProofingTransform(getSRGBProfile(), TYPE_RGBA_8, getNULLProfile(), TYPE_GRAY_8, profHandle, INTENT_RELATIVE_COLORIMETRIC, INTENT_RELATIVE_COLORIMETRIC, (cmsFLAGS_GAMUTCHECK|cmsFLAGS_SOFTPROOFING));
 538     }
 539     return _gamutTransf;
 540 }
 541
 542 bool ColorProfile::GamutCheck(SPColor color){
 543     BYTE outofgamut = 0;
 544
 545     guint32 val = color.toRGBA32(0);
 546     guchar check_color[4] = {
 547         SP_RGBA32_R_U(val),
 548         SP_RGBA32_G_U(val),
 549         SP_RGBA32_B_U(val),
 550         255};
 551
 552     int alarm_r, alarm_g, alarm_b;
 553     cmsGetAlarmCodes(&alarm_r, &alarm_g, &alarm_b);
 554     cmsSetAlarmCodes(255, 255, 255);
 555     cmsDoTransform(ColorProfile::getTransfGamutCheck(), &check_color, &outofgamut, 1);
 556     cmsSetAlarmCodes(alarm_r, alarm_g, alarm_b);
 557     return (outofgamut == 255);
 558 }
 559
 560
 561 #include <io/sys.h>
 562
 563 class ProfileInfo
 564 {
 565 public:
 566     ProfileInfo( cmsHPROFILE, Glib::ustring const & path );
 567
 568     Glib::ustring const& getName() {return _name;}
 569     Glib::ustring const& getPath() {return _path;}
 570     icColorSpaceSignature getSpace() {return _profileSpace;}
 571     icProfileClassSignature getClass() {return _profileClass;}
 572
 573 private:
 574     Glib::ustring _path;
 575     Glib::ustring _name;
 576     icColorSpaceSignature _profileSpace;
 577     icProfileClassSignature _profileClass;
 578 };
 579
 580
 581 ProfileInfo::ProfileInfo( cmsHPROFILE prof, Glib::ustring const & path )
 582 {
 583     _path = path;
 584     _name = cmsTakeProductDesc(prof);
 585     _profileSpace = cmsGetColorSpace( prof );
 586     _profileClass = cmsGetDeviceClass( prof );
 587 }
 588
 589
 590
 591 static std::vector<ProfileInfo> knownProfiles;
 592
 593 std::vector<Glib::ustring> Inkscape::colorprofile_get_display_names()
 594 {
 595     std::vector<Glib::ustring> result;
 596
 597     for ( std::vector<ProfileInfo>::iterator it = knownProfiles.begin(); it != knownProfiles.end(); ++it ) {
 598         if ( it->getClass() == icSigDisplayClass && it->getSpace() == icSigRgbData ) {
 599             result.push_back( it->getName() );
 600         }
 601     }
 602
 603     return result;
 604 }
 605
 606 std::vector<Glib::ustring> Inkscape::colorprofile_get_softproof_names()
 607 {
 608     std::vector<Glib::ustring> result;
 609
 610     for ( std::vector<ProfileInfo>::iterator it = knownProfiles.begin(); it != knownProfiles.end(); ++it ) {
 611         if ( it->getClass() == icSigOutputClass ) {
 612             result.push_back( it->getName() );
 613         }
 614     }
 615
 616     return result;
 617 }
 618
 619 Glib::ustring Inkscape::get_path_for_profile(Glib::ustring const& name)
 620 {
 621     Glib::ustring result;
 622
 623     for ( std::vector<ProfileInfo>::iterator it = knownProfiles.begin(); it != knownProfiles.end(); ++it ) {
 624         if ( name == it->getName() ) {
 625             result = it->getPath();
 626             break;
 627         }
 628     }
 629
 630     return result;
 631 }
 632 #endif // ENABLE_LCMS
 633
 634 std::list<Glib::ustring> ColorProfile::getBaseProfileDirs() {
 635 #if ENABLE_LCMS
 636     static bool warnSet = false;
 637     if (!warnSet) {
 638         cmsErrorAction( LCMS_ERROR_SHOW );
 639         warnSet = true;
 640     }
 641 #endif // ENABLE_LCMS
 642     std::list<Glib::ustring> sources;
 643
 644     gchar* base = profile_path("XXX");
 645     {
 646         gchar* base2 = g_path_get_dirname(base);
 647         g_free(base);
 648         base = base2;
 649         base2 = g_path_get_dirname(base);
 650         g_free(base);
 651         base = base2;
 652     }
 653
 654     // first try user's local dir
 655     sources.push_back( g_build_filename(g_get_user_data_dir(), "color", "icc", NULL) );
 656
 657
 658     const gchar* const * dataDirs = g_get_system_data_dirs();
 659     for ( int i = 0; dataDirs[i]; i++ ) {
 660         gchar* path = g_build_filename(dataDirs[i], "color", "icc", NULL);
 661         sources.push_back(path);
 662         g_free(path);
 663     }
 664
 665     // On OS X:
 666     {
 667         bool onOSX = false;
 668         std::list<Glib::ustring> possible;
 669         possible.push_back("/System/Library/ColorSync/Profiles");
 670         possible.push_back("/Library/ColorSync/Profiles");
 671         for ( std::list<Glib::ustring>::const_iterator it = possible.begin(); it != possible.end(); ++it ) {
 672             if ( g_file_test(it->c_str(), G_FILE_TEST_EXISTS)  && g_file_test(it->c_str(), G_FILE_TEST_IS_DIR) ) {
 673                 sources.push_back(it->c_str());
 674                 onOSX = true;
 675             }
 676         }
 677         if ( onOSX ) {
 678             gchar* path = g_build_filename(g_get_home_dir(), "Library", "ColorSync", "Profiles", NULL);
 679             if ( g_file_test(path, G_FILE_TEST_EXISTS)  && g_file_test(path, G_FILE_TEST_IS_DIR) ) {
 680                 sources.push_back(path);
 681             }
 682             g_free(path);
 683         }
 684     }
 685
 686 #ifdef WIN32
 687     wchar_t pathBuf[MAX_PATH + 1];
 688     pathBuf[0] = 0;
 689     DWORD pathSize = sizeof(pathBuf);
 690     g_assert(sizeof(wchar_t) == sizeof(gunichar2));
 691     if ( GetColorDirectoryW( NULL, pathBuf, &pathSize ) ) {
 692         gchar * utf8Path = g_utf16_to_utf8( (gunichar2*)(&pathBuf[0]), -1, NULL, NULL, NULL );
 693         if ( !g_utf8_validate(utf8Path, -1, NULL) ) {
 694             g_warning( "GetColorDirectoryW() resulted in invalid UTF-8" );
 695         } else {
 696             sources.push_back(utf8Path);
 697         }
 698         g_free( utf8Path );
 699     }
 700 #endif // WIN32
 701
 702     return sources;
 703 }
 704
 705 static bool isIccFile( gchar const *filepath )
 706 {
 707     bool isIccFile = false;
 708     struct stat st;
 709     if ( g_stat(filepath, &st) == 0 && (st.st_size > 128) ) {
 710         //0-3 == size
 711         //36-39 == 'acsp' 0x61637370
 712         int fd = g_open( filepath, O_RDONLY, S_IRWXU);
 713         if ( fd != -1 ) {
 714             guchar scratch[40] = {0};
 715             size_t len = sizeof(scratch);
 716
 717             //size_t left = 40;
 718             ssize_t got = read(fd, scratch, len);
 719             if ( got != -1 ) {
 720                 size_t calcSize = (scratch[0] << 24) | (scratch[1] << 16) | (scratch[2] << 8) | scratch[3];
 721                 if ( calcSize > 128 && calcSize <= static_cast<size_t>(st.st_size) ) {
 722                     isIccFile = (scratch[36] == 'a') && (scratch[37] == 'c') && (scratch[38] == 's') && (scratch[39] == 'p');
 723                 }
 724             }
 725
 726             close(fd);
 727         }
 728     }
 729     return isIccFile;
 730 }
 731
 732 std::list<Glib::ustring> ColorProfile::getProfileFiles()
 733 {
 734     std::list<Glib::ustring> files;
 735
 736     std::list<Glib::ustring> sources = ColorProfile::getBaseProfileDirs();
 737     for ( std::list<Glib::ustring>::const_iterator it = sources.begin(); it != sources.end(); ++it ) {
 738         if ( g_file_test( it->c_str(), G_FILE_TEST_EXISTS ) && g_file_test( it->c_str(), G_FILE_TEST_IS_DIR ) ) {
 739             GError *err = 0;
 740             GDir *dir = g_dir_open(it->c_str(), 0, &err);
 741
 742             if (dir) {
 743                 for (gchar const *file = g_dir_read_name(dir); file != NULL; file = g_dir_read_name(dir)) {
 744                     gchar *filepath = g_build_filename(it->c_str(), file, NULL);
 745                     if ( g_file_test( filepath, G_FILE_TEST_IS_DIR ) ) {
 746                         sources.push_back(g_strdup(filepath));
 747                     } else {
 748                         if ( isIccFile( filepath ) ) {
 749                             files.push_back( filepath );
 750                         }
 751                     }
 752
 753                     g_free(filepath);
 754                 }
 755                 g_dir_close(dir);
 756                 dir = 0;
 757             } else {
 758                 gchar *safeDir = Inkscape::IO::sanitizeString(it->c_str());
 759                 g_warning(_("Color profiles directory (%s) is unavailable."), safeDir);
 760                 g_free(safeDir);
 761             }
 762         }
 763     }
 764
 765     return files;
 766 }
 767
 768 #if ENABLE_LCMS
 769 static void findThings() {
 770     std::list<Glib::ustring> files = ColorProfile::getProfileFiles();
 771
 772     for ( std::list<Glib::ustring>::const_iterator it = files.begin(); it != files.end(); ++it ) {
 773         cmsHPROFILE prof = cmsOpenProfileFromFile( it->c_str(), "r" );
 774         if ( prof ) {
 775             ProfileInfo info( prof, Glib::filename_to_utf8( it->c_str() ) );
 776             cmsCloseProfile( prof );
 777
 778             bool sameName = false;
 779             for ( std::vector<ProfileInfo>::iterator it = knownProfiles.begin(); it != knownProfiles.end(); ++it ) {
 780                 if ( it->getName() == info.getName() ) {
 781                     sameName = true;
 782                     break;
 783                 }
 784             }
 785
 786             if ( !sameName ) {
 787                 knownProfiles.push_back(info);
 788             }
 789         }
 790     }
 791 }
 792
 793 int errorHandlerCB(int ErrorCode, const char *ErrorText)
 794 {
 795     g_message("lcms: Error %d; %s", ErrorCode, ErrorText);
 796
 797     return 1;
 798 }
 799
 800 static bool gamutWarn = false;
 801 static Gdk::Color lastGamutColor("#808080");
 802 static bool lastBPC = false;
 803 #if defined(cmsFLAGS_PRESERVEBLACK)
 804 static bool lastPreserveBlack = false;
 805 #endif // defined(cmsFLAGS_PRESERVEBLACK)
 806 static int lastIntent = INTENT_PERCEPTUAL;
 807 static int lastProofIntent = INTENT_PERCEPTUAL;
 808 static cmsHTRANSFORM transf = 0;
 809
 810 cmsHPROFILE Inkscape::colorprofile_get_system_profile_handle()
 811 {
 812     static cmsHPROFILE theOne = 0;
 813     static Glib::ustring lastURI;
 814
 815     static bool init = false;
 816     if ( !init ) {
 817         cmsSetErrorHandler(errorHandlerCB);
 818
 819         findThings();
 820         init = true;
 821     }
 822
 823     Inkscape::Preferences *prefs = Inkscape::Preferences::get();
 824     Glib::ustring uri = prefs->getString("/options/displayprofile/uri");
 825
 826     if ( !uri.empty() ) {
 827         if ( uri != lastURI ) {
 828             lastURI.clear();
 829             if ( theOne ) {
 830                 cmsCloseProfile( theOne );
 831             }
 832             if ( transf ) {
 833                 cmsDeleteTransform( transf );
 834                 transf = 0;
 835             }
 836             theOne = cmsOpenProfileFromFile( uri.data(), "r" );
 837             if ( theOne ) {
 838                 // a display profile must have the proper stuff
 839                 icColorSpaceSignature space = cmsGetColorSpace(theOne);
 840                 icProfileClassSignature profClass = cmsGetDeviceClass(theOne);
 841
 842                 if ( profClass != icSigDisplayClass ) {
 843                     g_warning("Not a display profile");
 844                     cmsCloseProfile( theOne );
 845                     theOne = 0;
 846                 } else if ( space != icSigRgbData ) {
 847                     g_warning("Not an RGB profile");
 848                     cmsCloseProfile( theOne );
 849                     theOne = 0;
 850                 } else {
 851                     lastURI = uri;
 852                 }
 853             }
 854         }
 855     } else if ( theOne ) {
 856         cmsCloseProfile( theOne );
 857         theOne = 0;
 858         lastURI.clear();
 859         if ( transf ) {
 860             cmsDeleteTransform( transf );
 861             transf = 0;
 862         }
 863     }
 864
 865     return theOne;
 866 }
 867
 868
 869 cmsHPROFILE Inkscape::colorprofile_get_proof_profile_handle()
 870 {
 871     static cmsHPROFILE theOne = 0;
 872     static Glib::ustring lastURI;
 873
 874     static bool init = false;
 875     if ( !init ) {
 876         cmsSetErrorHandler(errorHandlerCB);
 877
 878         findThings();
 879         init = true;
 880     }
 881
 882     Inkscape::Preferences *prefs = Inkscape::Preferences::get();
 883     bool which = prefs->getBool( "/options/softproof/enable");
 884     Glib::ustring uri = prefs->getString("/options/softproof/uri");
 885
 886     if ( which && !uri.empty() ) {
 887         if ( lastURI != uri ) {
 888             lastURI.clear();
 889             if ( theOne ) {
 890                 cmsCloseProfile( theOne );
 891             }
 892             if ( transf ) {
 893                 cmsDeleteTransform( transf );
 894                 transf = 0;
 895             }
 896             theOne = cmsOpenProfileFromFile( uri.data(), "r" );
 897             if ( theOne ) {
 898                 // a display profile must have the proper stuff
 899                 icColorSpaceSignature space = cmsGetColorSpace(theOne);
 900                 icProfileClassSignature profClass = cmsGetDeviceClass(theOne);
 901
 902                 (void)space;
 903                 (void)profClass;
 904 /*
 905                 if ( profClass != icSigDisplayClass ) {
 906                     g_warning("Not a display profile");
 907                     cmsCloseProfile( theOne );
 908                     theOne = 0;
 909                 } else if ( space != icSigRgbData ) {
 910                     g_warning("Not an RGB profile");
 911                     cmsCloseProfile( theOne );
 912                     theOne = 0;
 913                 } else {
 914 */
 915                     lastURI = uri;
 916 /*
 917                 }
 918 */
 919             }
 920         }
 921     } else if ( theOne ) {
 922         cmsCloseProfile( theOne );
 923         theOne = 0;
 924         lastURI.clear();
 925         if ( transf ) {
 926             cmsDeleteTransform( transf );
 927             transf = 0;
 928         }
 929     }
 930
 931     return theOne;
 932 }
 933
 934 static void free_transforms();
 935
 936 cmsHTRANSFORM Inkscape::colorprofile_get_display_transform()
 937 {
 938     Inkscape::Preferences *prefs = Inkscape::Preferences::get();
 939     bool fromDisplay = prefs->getBool( "/options/displayprofile/from_display");
 940     if ( fromDisplay ) {
 941         if ( transf ) {
 942             cmsDeleteTransform(transf);
 943             transf = 0;
 944         }
 945         return 0;
 946     }
 947
 948     bool warn = prefs->getBool( "/options/softproof/gamutwarn");
 949     int intent = prefs->getIntLimited( "/options/displayprofile/intent", 0, 0, 3 );
 950     int proofIntent = prefs->getIntLimited( "/options/softproof/intent", 0, 0, 3 );
 951     bool bpc = prefs->getBool( "/options/softproof/bpc");
 952 #if defined(cmsFLAGS_PRESERVEBLACK)
 953     bool preserveBlack = prefs->getBool( "/options/softproof/preserveblack");
 954 #endif //defined(cmsFLAGS_PRESERVEBLACK)
 955     Glib::ustring colorStr = prefs->getString("/options/softproof/gamutcolor");
 956     Gdk::Color gamutColor( colorStr.empty() ? "#808080" : colorStr );
 957
 958     if ( (warn != gamutWarn)
 959          || (lastIntent != intent)
 960          || (lastProofIntent != proofIntent)
 961          || (bpc != lastBPC)
 962 #if defined(cmsFLAGS_PRESERVEBLACK)
 963          || (preserveBlack != lastPreserveBlack)
 964 #endif // defined(cmsFLAGS_PRESERVEBLACK)
 965          || (gamutColor != lastGamutColor)
 966         ) {
 967         gamutWarn = warn;
 968         free_transforms();
 969         lastIntent = intent;
 970         lastProofIntent = proofIntent;
 971         lastBPC = bpc;
 972 #if defined(cmsFLAGS_PRESERVEBLACK)
 973         lastPreserveBlack = preserveBlack;
 974 #endif // defined(cmsFLAGS_PRESERVEBLACK)
 975         lastGamutColor = gamutColor;
 976     }
 977
 978     // Fetch these now, as they might clear the transform as a side effect.
 979     cmsHPROFILE hprof = Inkscape::colorprofile_get_system_profile_handle();
 980     cmsHPROFILE proofProf = hprof ? Inkscape::colorprofile_get_proof_profile_handle() : 0;
 981
 982     if ( !transf ) {
 983         if ( hprof && proofProf ) {
 984             DWORD dwFlags = cmsFLAGS_SOFTPROOFING;
 985             if ( gamutWarn ) {
 986                 dwFlags |= cmsFLAGS_GAMUTCHECK;
 987                 cmsSetAlarmCodes(gamutColor.get_red() >> 8, gamutColor.get_green() >> 8, gamutColor.get_blue() >> 8);
 988             }
 989             if ( bpc ) {
 990                 dwFlags |= cmsFLAGS_BLACKPOINTCOMPENSATION;
 991             }
 992 #if defined(cmsFLAGS_PRESERVEBLACK)
 993             if ( preserveBlack ) {
 994                 dwFlags |= cmsFLAGS_PRESERVEBLACK;
 995             }
 996 #endif // defined(cmsFLAGS_PRESERVEBLACK)
 997             transf = cmsCreateProofingTransform( ColorProfile::getSRGBProfile(), TYPE_RGBA_8, hprof, TYPE_RGBA_8, proofProf, intent, proofIntent, dwFlags );
 998         } else if ( hprof ) {
 999             transf = cmsCreateTransform( ColorProfile::getSRGBProfile(), TYPE_RGBA_8, hprof, TYPE_RGBA_8, intent, 0 );
1000         }
1001     }
1002
1003     return transf;
1004 }
1005
1006
1007 class MemProfile {
1008 public:
1009     MemProfile();
1010     ~MemProfile();
1011
1012     std::string id;
1013     cmsHPROFILE hprof;
1014     cmsHTRANSFORM transf;
1015 };
1016
1017 MemProfile::MemProfile() :
1018     id(),
1019     hprof(0),
1020     transf(0)
1021 {
1022 }
1023
1024 MemProfile::~MemProfile()
1025 {
1026 }
1027
1028 static std::vector< std::vector<MemProfile> > perMonitorProfiles;
1029
1030 void free_transforms()
1031 {
1032     if ( transf ) {
1033         cmsDeleteTransform(transf);
1034         transf = 0;
1035     }
1036
1037     for ( std::vector< std::vector<MemProfile> >::iterator it = perMonitorProfiles.begin(); it != perMonitorProfiles.end(); ++it ) {
1038         for ( std::vector<MemProfile>::iterator it2 = it->begin(); it2 != it->end(); ++it2 ) {
1039             if ( it2->transf ) {
1040                 cmsDeleteTransform(it2->transf);
1041                 it2->transf = 0;
1042             }
1043         }
1044     }
1045 }
1046
1047 Glib::ustring Inkscape::colorprofile_get_display_id( int screen, int monitor )
1048 {
1049     Glib::ustring id;
1050
1051     if ( screen >= 0 && screen < static_cast<int>(perMonitorProfiles.size()) ) {
1052         std::vector<MemProfile>& row = perMonitorProfiles[screen];
1053         if ( monitor >= 0 && monitor < static_cast<int>(row.size()) ) {
1054             MemProfile& item = row[monitor];
1055             id = item.id;
1056         }
1057     }
1058
1059     return id;
1060 }
1061
1062 Glib::ustring Inkscape::colorprofile_set_display_per( gpointer buf, guint bufLen, int screen, int monitor )
1063 {
1064     Glib::ustring id;
1065
1066     while ( static_cast<int>(perMonitorProfiles.size()) <= screen ) {
1067         std::vector<MemProfile> tmp;
1068         perMonitorProfiles.push_back(tmp);
1069     }
1070     std::vector<MemProfile>& row = perMonitorProfiles[screen];
1071     while ( static_cast<int>(row.size()) <= monitor ) {
1072         MemProfile tmp;
1073         row.push_back(tmp);
1074     }
1075     MemProfile& item = row[monitor];
1076
1077     if ( item.hprof ) {
1078         cmsCloseProfile( item.hprof );
1079         item.hprof = 0;
1080     }
1081     id.clear();
1082
1083     if ( buf && bufLen ) {
1084         id = Digest::hashHex(Digest::HASH_MD5,
1085                    reinterpret_cast<unsigned char*>(buf), bufLen);
1086
1087         // Note: if this is not a valid profile, item.hprof will be set to null.
1088         item.hprof = cmsOpenProfileFromMem(buf, bufLen);
1089     }
1090     item.id = id;
1091
1092     return id;
1093 }
1094
1095 cmsHTRANSFORM Inkscape::colorprofile_get_display_per( Glib::ustring const& id )
1096 {
1097     cmsHTRANSFORM result = 0;
1098     if ( id.empty() ) {
1099         return 0;
1100     }
1101
1102     Inkscape::Preferences *prefs = Inkscape::Preferences::get();
1103     bool found = false;
1104     for ( std::vector< std::vector<MemProfile> >::iterator it = perMonitorProfiles.begin(); it != perMonitorProfiles.end() && !found; ++it ) {
1105         for ( std::vector<MemProfile>::iterator it2 = it->begin(); it2 != it->end() && !found; ++it2 ) {
1106             if ( id == it2->id ) {
1107                 MemProfile& item = *it2;
1108
1109                 bool warn = prefs->getBool( "/options/softproof/gamutwarn");
1110                 int intent = prefs->getIntLimited( "/options/displayprofile/intent", 0, 0, 3 );
1111                 int proofIntent = prefs->getIntLimited( "/options/softproof/intent", 0, 0, 3 );
1112                 bool bpc = prefs->getBool( "/options/softproof/bpc");
1113 #if defined(cmsFLAGS_PRESERVEBLACK)
1114                 bool preserveBlack = prefs->getBool( "/options/softproof/preserveblack");
1115 #endif //defined(cmsFLAGS_PRESERVEBLACK)
1116                 Glib::ustring colorStr = prefs->getString("/options/softproof/gamutcolor");
1117                 Gdk::Color gamutColor( colorStr.empty() ? "#808080" : colorStr );
1118
1119                 if ( (warn != gamutWarn)
1120                      || (lastIntent != intent)
1121                      || (lastProofIntent != proofIntent)
1122                      || (bpc != lastBPC)
1123 #if defined(cmsFLAGS_PRESERVEBLACK)
1124                      || (preserveBlack != lastPreserveBlack)
1125 #endif // defined(cmsFLAGS_PRESERVEBLACK)
1126                      || (gamutColor != lastGamutColor)
1127                     ) {
1128                     gamutWarn = warn;
1129                     free_transforms();
1130                     lastIntent = intent;
1131                     lastProofIntent = proofIntent;
1132                     lastBPC = bpc;
1133 #if defined(cmsFLAGS_PRESERVEBLACK)
1134                     lastPreserveBlack = preserveBlack;
1135 #endif // defined(cmsFLAGS_PRESERVEBLACK)
1136                     lastGamutColor = gamutColor;
1137                 }
1138
1139                 // Fetch these now, as they might clear the transform as a side effect.
1140                 cmsHPROFILE proofProf = item.hprof ? Inkscape::colorprofile_get_proof_profile_handle() : 0;
1141
1142                 if ( !item.transf ) {
1143                     if ( item.hprof && proofProf ) {
1144                         DWORD dwFlags = cmsFLAGS_SOFTPROOFING;
1145                         if ( gamutWarn ) {
1146                             dwFlags |= cmsFLAGS_GAMUTCHECK;
1147                             cmsSetAlarmCodes(gamutColor.get_red() >> 8, gamutColor.get_green() >> 8, gamutColor.get_blue() >> 8);
1148                         }
1149                         if ( bpc ) {
1150                             dwFlags |= cmsFLAGS_BLACKPOINTCOMPENSATION;
1151                         }
1152 #if defined(cmsFLAGS_PRESERVEBLACK)
1153                         if ( preserveBlack ) {
1154                             dwFlags |= cmsFLAGS_PRESERVEBLACK;
1155                         }
1156 #endif // defined(cmsFLAGS_PRESERVEBLACK)
1157                         item.transf = cmsCreateProofingTransform( ColorProfile::getSRGBProfile(), TYPE_RGBA_8, item.hprof, TYPE_RGBA_8, proofProf, intent, proofIntent, dwFlags );
1158                     } else if ( item.hprof ) {
1159                         item.transf = cmsCreateTransform( ColorProfile::getSRGBProfile(), TYPE_RGBA_8, item.hprof, TYPE_RGBA_8, intent, 0 );
1160                     }
1161                 }
1162
1163                 result = item.transf;
1164                 found = true;
1165             }
1166         }
1167     }
1168
1169     return result;
1170 }
1171
1172
1173
1174 #endif // ENABLE_LCMS
1175
1176 /*
1177   Local Variables:
1178   mode:c++
1179   c-file-style:"stroustrup"
1180   c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
1181   indent-tabs-mode:nil
1182   fill-column:99
1183   End:
1184 */
1185 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :