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