1 /*****************************************************************************/ 2 // Copyright 2006-2012 Adobe Systems Incorporated 3 // All Rights Reserved. 4 // 5 // NOTICE: Adobe permits you to use, modify, and distribute this file in 6 // accordance with the terms of the Adobe license agreement accompanying it. 7 /*****************************************************************************/ 8 9 /* $Id: //mondo/dng_sdk_1_4/dng_sdk/source/dng_xmp_sdk.cpp#4 $ */ 10 /* $DateTime: 2012/09/05 12:31:51 $ */ 11 /* $Change: 847652 $ */ 12 /* $Author: tknoll $ */ 13 14 /*****************************************************************************/ 15 16 #include "dng_xmp_sdk.h" 17 18 #include "dng_auto_ptr.h" 19 #include "dng_assertions.h" 20 #include "dng_exceptions.h" 21 #include "dng_flags.h" 22 #include "dng_host.h" 23 #include "dng_memory.h" 24 #include "dng_string.h" 25 #include "dng_string_list.h" 26 #include "dng_utils.h" 27 28 /*****************************************************************************/ 29 30 #if qMacOS 31 #ifndef MAC_ENV 32 #define MAC_ENV 1 33 #endif 34 #endif 35 36 #if qWinOS 37 #ifndef WIN_ENV 38 #define WIN_ENV 1 39 #endif 40 #endif 41 42 #include <new> 43 #include <string> 44 45 #define TXMP_STRING_TYPE std::string 46 47 #define XMP_INCLUDE_XMPFILES qDNGXMPFiles 48 49 #define XMP_StaticBuild 1 50 51 #include "XMP.incl_cpp" 52 53 /*****************************************************************************/ 54 55 const char *XMP_NS_TIFF = "http://ns.adobe.com/tiff/1.0/"; 56 const char *XMP_NS_EXIF = "http://ns.adobe.com/exif/1.0/"; 57 const char *XMP_NS_PHOTOSHOP = "http://ns.adobe.com/photoshop/1.0/"; 58 const char *XMP_NS_XAP = "http://ns.adobe.com/xap/1.0/"; 59 const char *XMP_NS_XAP_RIGHTS = "http://ns.adobe.com/xap/1.0/rights/"; 60 const char *XMP_NS_DC = "http://purl.org/dc/elements/1.1/"; 61 const char *XMP_NS_XMP_NOTE = "http://ns.adobe.com/xmp/note/"; 62 const char *XMP_NS_MM = "http://ns.adobe.com/xap/1.0/mm/"; 63 64 const char *XMP_NS_CRS = "http://ns.adobe.com/camera-raw-settings/1.0/"; 65 const char *XMP_NS_CRSS = "http://ns.adobe.com/camera-raw-saved-settings/1.0/"; 66 const char *XMP_NS_AUX = "http://ns.adobe.com/exif/1.0/aux/"; 67 68 const char *XMP_NS_LCP = "http://ns.adobe.com/photoshop/1.0/camera-profile"; 69 70 const char *XMP_NS_IPTC = "http://iptc.org/std/Iptc4xmpCore/1.0/xmlns/"; 71 const char *XMP_NS_IPTC_EXT = "http://iptc.org/std/Iptc4xmpExt/2008-02-29/"; 72 73 const char *XMP_NS_CRX = "http://ns.adobe.com/lightroom-settings-experimental/1.0/"; 74 75 const char *XMP_NS_DNG = "http://ns.adobe.com/dng/1.0/"; 76 77 /******************************************************************************/ 78 79 #define CATCH_XMP(routine, fatal)\ 80 \ 81 catch (std::bad_alloc &)\ 82 {\ 83 DNG_REPORT ("Info: XMP " routine " threw memory exception");\ 84 ThrowMemoryFull ();\ 85 }\ 86 \ 87 catch (XMP_Error &error)\ 88 {\ 89 const char *errMessage = error.GetErrMsg ();\ 90 if (errMessage && strlen (errMessage) <= 128)\ 91 {\ 92 char errBuffer [256];\ 93 sprintf (errBuffer, "Info: XMP " routine " threw '%s' exception", errMessage);\ 94 DNG_REPORT ( errBuffer);\ 95 }\ 96 else\ 97 {\ 98 DNG_REPORT ("Info: XMP " routine " threw unnamed exception");\ 99 }\ 100 if (fatal) ThrowProgramError ();\ 101 }\ 102 \ 103 catch (...)\ 104 {\ 105 DNG_REPORT ("Info: XMP " routine " threw unknown exception");\ 106 if (fatal) ThrowProgramError ();\ 107 } 108 109 /*****************************************************************************/ 110 111 class dng_xmp_private 112 { 113 114 public: 115 116 SXMPMeta *fMeta; 117 118 dng_xmp_private () 119 : fMeta (NULL) 120 { 121 } 122 123 dng_xmp_private (const dng_xmp_private &xmp); 124 125 ~dng_xmp_private () 126 { 127 if (fMeta) 128 { 129 delete fMeta; 130 } 131 } 132 133 private: 134 135 // Hidden assignment operator. 136 137 dng_xmp_private & operator= (const dng_xmp_private &xmp); 138 139 }; 140 141 /*****************************************************************************/ 142 143 dng_xmp_private::dng_xmp_private (const dng_xmp_private &xmp) 144 145 : fMeta (NULL) 146 147 { 148 149 if (xmp.fMeta) 150 { 151 152 fMeta = new SXMPMeta (xmp.fMeta->Clone (0)); 153 154 if (!fMeta) 155 { 156 ThrowMemoryFull (); 157 } 158 159 } 160 161 } 162 163 /*****************************************************************************/ 164 165 dng_xmp_sdk::dng_xmp_sdk () 166 167 : fPrivate (NULL) 168 169 { 170 171 fPrivate = new dng_xmp_private; 172 173 if (!fPrivate) 174 { 175 ThrowMemoryFull (); 176 } 177 178 } 179 180 /*****************************************************************************/ 181 182 dng_xmp_sdk::dng_xmp_sdk (const dng_xmp_sdk &sdk) 183 184 : fPrivate (NULL) 185 186 { 187 188 fPrivate = new dng_xmp_private (*sdk.fPrivate); 189 190 if (!fPrivate) 191 { 192 ThrowMemoryFull (); 193 } 194 195 } 196 197 /*****************************************************************************/ 198 199 dng_xmp_sdk::~dng_xmp_sdk () 200 { 201 202 if (fPrivate) 203 { 204 delete fPrivate; 205 } 206 207 } 208 209 /*****************************************************************************/ 210 211 static bool gInitializedXMP = false; 212 213 /*****************************************************************************/ 214 215 void dng_xmp_sdk::InitializeSDK (dng_xmp_namespace * extraNamespaces, 216 const char *software) 217 { 218 219 if (!gInitializedXMP) 220 { 221 222 try 223 { 224 225 if (!SXMPMeta::Initialize ()) 226 { 227 ThrowProgramError (); 228 } 229 230 // Register Lightroom beta settings namespace. 231 // We no longer read this but I don't want to cut it out this close 232 // to a release. [bruzenak] 233 234 { 235 236 TXMP_STRING_TYPE ss; 237 238 SXMPMeta::RegisterNamespace (XMP_NS_CRX, 239 "crx", 240 &ss); 241 242 } 243 244 // Register CRSS snapshots namespace 245 246 { 247 248 TXMP_STRING_TYPE ss; 249 250 SXMPMeta::RegisterNamespace (XMP_NS_CRSS, 251 "crss", 252 &ss); 253 254 } 255 256 // Register LCP (lens correction profiles) namespace 257 258 { 259 260 TXMP_STRING_TYPE ss; 261 262 SXMPMeta::RegisterNamespace (XMP_NS_LCP, 263 "stCamera", 264 &ss); 265 266 } 267 268 // Register DNG format metadata namespace 269 270 { 271 272 TXMP_STRING_TYPE ss; 273 274 SXMPMeta::RegisterNamespace (XMP_NS_DNG, 275 "dng", 276 &ss); 277 278 } 279 280 // Register extra namespaces. 281 282 if (extraNamespaces != NULL) 283 { 284 285 for (; extraNamespaces->fullName != NULL; ++extraNamespaces) 286 { 287 288 TXMP_STRING_TYPE ss; 289 290 SXMPMeta::RegisterNamespace (extraNamespaces->fullName, 291 extraNamespaces->shortName, 292 &ss); 293 294 } 295 296 } 297 298 #if qDNGXMPFiles 299 300 #if qLinux 301 if (!SXMPFiles::Initialize (kXMPFiles_IgnoreLocalText)) 302 #else 303 if (!SXMPFiles::Initialize ()) 304 #endif 305 { 306 ThrowProgramError (); 307 } 308 309 #endif 310 311 #if qDNGXMPDocOps 312 313 if (software) 314 { 315 316 SXMPDocOps::SetAppName (software); 317 318 } 319 320 #else 321 322 (void) software; 323 324 #endif 325 326 } 327 328 CATCH_XMP ("Initialization", true) 329 330 gInitializedXMP = true; 331 332 } 333 334 } 335 336 /******************************************************************************/ 337 338 void dng_xmp_sdk::TerminateSDK () 339 { 340 341 if (gInitializedXMP) 342 { 343 344 try 345 { 346 347 #if qDNGXMPFiles 348 349 SXMPFiles::Terminate (); 350 351 #endif 352 353 SXMPMeta::Terminate (); 354 355 } 356 357 catch (...) 358 { 359 360 } 361 362 gInitializedXMP = false; 363 364 } 365 366 } 367 368 /******************************************************************************/ 369 370 bool dng_xmp_sdk::HasMeta () const 371 { 372 373 if (fPrivate->fMeta) 374 { 375 376 return true; 377 378 } 379 380 return false; 381 382 } 383 384 /******************************************************************************/ 385 386 void dng_xmp_sdk::ClearMeta () 387 { 388 389 if (HasMeta ()) 390 { 391 392 delete fPrivate->fMeta; 393 394 fPrivate->fMeta = NULL; 395 396 } 397 398 } 399 400 /******************************************************************************/ 401 402 void dng_xmp_sdk::MakeMeta () 403 { 404 405 ClearMeta (); 406 407 InitializeSDK (); 408 409 try 410 { 411 412 fPrivate->fMeta = new SXMPMeta; 413 414 if (!fPrivate->fMeta) 415 { 416 417 ThrowMemoryFull (); 418 419 } 420 421 } 422 423 CATCH_XMP ("MakeMeta", true) 424 425 } 426 427 /******************************************************************************/ 428 429 void dng_xmp_sdk::NeedMeta () 430 { 431 432 if (!HasMeta ()) 433 { 434 435 MakeMeta (); 436 437 } 438 439 } 440 441 /******************************************************************************/ 442 443 void * dng_xmp_sdk::GetPrivateMeta () 444 { 445 446 NeedMeta (); 447 448 return (void *) fPrivate->fMeta; 449 450 } 451 452 /******************************************************************************/ 453 454 void dng_xmp_sdk::Parse (dng_host &host, 455 const char *buffer, 456 uint32 count) 457 { 458 459 MakeMeta (); 460 461 try 462 { 463 464 try 465 { 466 467 fPrivate->fMeta->ParseFromBuffer (buffer, count); 468 469 } 470 471 CATCH_XMP ("ParseFromBuffer", true) 472 473 } 474 475 catch (dng_exception &except) 476 { 477 478 ClearMeta (); 479 480 if (host.IsTransientError (except.ErrorCode ())) 481 { 482 483 throw; 484 485 } 486 487 ThrowBadFormat (); 488 489 } 490 491 } 492 493 /*****************************************************************************/ 494 495 void dng_xmp_sdk::AppendArrayItem (const char *ns, 496 const char *arrayName, 497 const char *itemValue, 498 bool isBag, 499 bool propIsStruct) 500 { 501 502 NeedMeta(); 503 504 try 505 { 506 507 fPrivate->fMeta->AppendArrayItem (ns, 508 arrayName, 509 isBag ? kXMP_PropValueIsArray 510 : kXMP_PropArrayIsOrdered, 511 itemValue, 512 propIsStruct ? kXMP_PropValueIsStruct 513 : 0); 514 515 } 516 CATCH_XMP ("AppendArrayItem", true ) 517 518 } 519 520 /*****************************************************************************/ 521 522 int32 dng_xmp_sdk::CountArrayItems (const char *ns, 523 const char *path) const 524 { 525 526 if (HasMeta ()) 527 { 528 529 try 530 { 531 532 return fPrivate->fMeta->CountArrayItems (ns, path); 533 534 } 535 536 CATCH_XMP ("CountArrayItems", false) 537 538 } 539 540 return 0; 541 542 } 543 544 /*****************************************************************************/ 545 546 bool dng_xmp_sdk::Exists (const char *ns, 547 const char *path) const 548 { 549 550 if (HasMeta ()) 551 { 552 553 try 554 { 555 556 return fPrivate->fMeta->DoesPropertyExist (ns, path); 557 558 } 559 560 catch (...) 561 { 562 563 // Does not exist... 564 565 } 566 567 } 568 569 return false; 570 571 } 572 573 /*****************************************************************************/ 574 575 bool dng_xmp_sdk::HasNameSpace (const char *ns) const 576 { 577 578 bool result = false; 579 580 if (HasMeta ()) 581 { 582 583 try 584 { 585 586 SXMPIterator iter (*fPrivate->fMeta, ns); 587 588 TXMP_STRING_TYPE nsTemp; 589 TXMP_STRING_TYPE prop; 590 591 if (iter.Next (&nsTemp, 592 &prop, 593 NULL, 594 NULL)) 595 { 596 597 result = true; 598 599 } 600 601 } 602 603 CATCH_XMP ("HasNameSpace", true) 604 605 } 606 607 return result; 608 609 } 610 611 /*****************************************************************************/ 612 613 void dng_xmp_sdk::Remove (const char *ns, 614 const char *path) 615 { 616 617 if (HasMeta ()) 618 { 619 620 try 621 { 622 623 fPrivate->fMeta->DeleteProperty (ns, path); 624 625 } 626 627 CATCH_XMP ("DeleteProperty", false) 628 629 } 630 631 } 632 633 /*****************************************************************************/ 634 635 void dng_xmp_sdk::RemoveProperties (const char *ns) 636 { 637 638 if (HasMeta ()) 639 { 640 641 try 642 { 643 644 SXMPUtils::RemoveProperties (fPrivate->fMeta, 645 ns, 646 NULL, 647 kXMPUtil_DoAllProperties); 648 649 } 650 651 catch (...) 652 { 653 654 } 655 656 } 657 658 } 659 660 /*****************************************************************************/ 661 662 bool dng_xmp_sdk::IsEmptyString (const char *ns, 663 const char *path) 664 { 665 666 if (HasMeta ()) 667 { 668 669 try 670 { 671 672 TXMP_STRING_TYPE ss; 673 674 XMP_OptionBits options = 0; 675 676 if (fPrivate->fMeta->GetProperty (ns, 677 path, 678 &ss, 679 &options)) 680 { 681 682 // Item must be simple. 683 684 if (XMP_PropIsSimple (options)) 685 { 686 687 // Check for null strings. 688 689 return (ss.c_str () == 0 || 690 ss.c_str () [0] == 0); 691 692 } 693 694 } 695 696 } 697 698 CATCH_XMP ("IsEmptyString", false) 699 700 } 701 702 return false; 703 704 } 705 706 /*****************************************************************************/ 707 708 bool dng_xmp_sdk::IsEmptyArray (const char *ns, 709 const char *path) 710 { 711 712 if (HasMeta ()) 713 { 714 715 try 716 { 717 718 TXMP_STRING_TYPE ss; 719 720 XMP_OptionBits options = 0; 721 722 if (fPrivate->fMeta->GetProperty (ns, 723 path, 724 &ss, 725 &options)) 726 { 727 728 if (XMP_PropIsArray (options)) 729 { 730 731 if (fPrivate->fMeta->GetArrayItem (ns, 732 path, 733 1, 734 &ss, 735 &options)) 736 { 737 738 // If the first item is a null string... 739 740 if (XMP_PropIsSimple (options)) 741 { 742 743 if ((ss.c_str () == 0 || 744 ss.c_str () [0] == 0)) 745 { 746 747 // And there is no second item. 748 749 if (!fPrivate->fMeta->GetArrayItem (ns, 750 path, 751 2, 752 &ss, 753 &options)) 754 { 755 756 // Then we have an empty array. 757 758 return true; 759 760 } 761 762 } 763 764 } 765 766 } 767 768 else 769 { 770 771 // Unable to get first item, so array is empty. 772 773 return true; 774 775 } 776 777 } 778 779 } 780 781 } 782 783 CATCH_XMP ("IsEmptyArray", false) 784 785 } 786 787 return false; 788 789 } 790 791 /*****************************************************************************/ 792 793 void dng_xmp_sdk::ComposeArrayItemPath (const char *ns, 794 const char *arrayName, 795 int32 index, 796 dng_string &s) const 797 { 798 799 try 800 { 801 802 std::string ss; 803 804 SXMPUtils::ComposeArrayItemPath (ns, arrayName, index, &ss); 805 806 s.Set (ss.c_str ()); 807 808 return; 809 810 } 811 812 CATCH_XMP ("ComposeArrayItemPath", true) 813 814 } 815 816 /*****************************************************************************/ 817 818 void dng_xmp_sdk::ComposeStructFieldPath (const char *ns, 819 const char *structName, 820 const char *fieldNS, 821 const char *fieldName, 822 dng_string &s) const 823 { 824 825 try 826 { 827 828 std::string ss; 829 830 SXMPUtils::ComposeStructFieldPath (ns, 831 structName, 832 fieldNS, 833 fieldName, 834 &ss); 835 836 s.Set (ss.c_str ()); 837 838 return; 839 840 } 841 842 CATCH_XMP ("ComposeStructFieldPath", true) 843 844 } 845 846 /*****************************************************************************/ 847 848 bool dng_xmp_sdk::GetNamespacePrefix (const char *uri, 849 dng_string &s) const 850 { 851 852 bool result = false; 853 854 if (HasMeta ()) 855 { 856 857 try 858 { 859 860 std::string ss; 861 862 fPrivate->fMeta->GetNamespacePrefix (uri, &ss); 863 864 s.Set (ss.c_str ()); 865 866 result = true; 867 868 } 869 870 CATCH_XMP ("GetNamespacePrefix", false) 871 872 } 873 874 return result; 875 876 } 877 878 /*****************************************************************************/ 879 880 bool dng_xmp_sdk::GetString (const char *ns, 881 const char *path, 882 dng_string &s) const 883 { 884 885 bool result = false; 886 887 if (HasMeta ()) 888 { 889 890 try 891 { 892 893 TXMP_STRING_TYPE ss; 894 895 if (fPrivate->fMeta->GetProperty (ns, path, &ss, NULL)) 896 { 897 898 s.Set (ss.c_str ()); 899 900 result = true; 901 902 } 903 904 } 905 906 CATCH_XMP ("GetProperty", false) 907 908 } 909 910 return result; 911 912 } 913 914 /*****************************************************************************/ 915 916 void dng_xmp_sdk::ValidateStringList (const char *ns, 917 const char *path) 918 { 919 920 if (Exists (ns, path)) 921 { 922 923 bool bogus = true; 924 925 try 926 { 927 928 XMP_Index index = 1; 929 930 TXMP_STRING_TYPE ss; 931 932 while (fPrivate->fMeta->GetArrayItem (ns, 933 path, 934 index++, 935 &ss, 936 NULL)) 937 { 938 939 } 940 941 bogus = false; 942 943 } 944 945 CATCH_XMP ("GetArrayItem", false) 946 947 if (bogus) 948 { 949 950 Remove (ns, path); 951 952 } 953 954 } 955 956 } 957 958 /*****************************************************************************/ 959 960 bool dng_xmp_sdk::GetStringList (const char *ns, 961 const char *path, 962 dng_string_list &list) const 963 { 964 965 bool result = false; 966 967 if (HasMeta ()) 968 { 969 970 try 971 { 972 973 XMP_Index index = 1; 974 975 TXMP_STRING_TYPE ss; 976 977 while (fPrivate->fMeta->GetArrayItem (ns, 978 path, 979 index++, 980 &ss, 981 NULL)) 982 { 983 984 dng_string s; 985 986 s.Set (ss.c_str ()); 987 988 list.Append (s); 989 990 result = true; 991 992 } 993 994 } 995 996 CATCH_XMP ("GetArrayItem", false) 997 998 } 999 1000 return result; 1001 1002 } 1003 1004 /*****************************************************************************/ 1005 1006 bool dng_xmp_sdk::GetAltLangDefault (const char *ns, 1007 const char *path, 1008 dng_string &s) const 1009 { 1010 1011 bool result = false; 1012 1013 if (HasMeta ()) 1014 { 1015 1016 try 1017 { 1018 1019 TXMP_STRING_TYPE ss; 1020 1021 if (fPrivate->fMeta->GetLocalizedText (ns, 1022 path, 1023 "x-default", 1024 "x-default", 1025 NULL, 1026 &ss, 1027 NULL)) 1028 { 1029 1030 s.Set (ss.c_str ()); 1031 1032 result = true; 1033 1034 } 1035 // 1036 // Special Case: treat the following two representation equivalently. 1037 // The first is an empty alt lang array; the second is an array with 1038 // an empty item. It seems that xmp lib could be generating both under 1039 // some circumstances! 1040 // 1041 // <dc:description> 1042 // <rdf:Alt/> 1043 // </dc:description> 1044 // 1045 // and 1046 // 1047 // <dc:description> 1048 // <rdf:Alt> 1049 // <rdf:li xml:lang="x-default"/> 1050 // </rdf:Alt> 1051 // </dc:description> 1052 // 1053 else if (fPrivate->fMeta->GetProperty (ns, 1054 path, 1055 &ss, 1056 NULL)) 1057 { 1058 1059 if (ss.empty ()) 1060 { 1061 1062 s.Clear (); 1063 1064 result = true; 1065 1066 } 1067 1068 } 1069 1070 } 1071 1072 CATCH_XMP ("GetLocalizedText", false) 1073 1074 } 1075 1076 return result; 1077 1078 } 1079 1080 /*****************************************************************************/ 1081 1082 bool dng_xmp_sdk::GetStructField (const char *ns, 1083 const char *path, 1084 const char *fieldNS, 1085 const char *fieldName, 1086 dng_string &s) const 1087 { 1088 1089 bool result = false; 1090 1091 if (HasMeta ()) 1092 { 1093 1094 try 1095 { 1096 1097 TXMP_STRING_TYPE ss; 1098 1099 if (fPrivate->fMeta->GetStructField (ns, 1100 path, 1101 fieldNS, 1102 fieldName, 1103 &ss, 1104 NULL)) 1105 { 1106 1107 s.Set (ss.c_str ()); 1108 1109 result = true; 1110 1111 } 1112 1113 } 1114 1115 CATCH_XMP ("GetStructField", false) 1116 1117 } 1118 1119 return result; 1120 1121 } 1122 1123 /*****************************************************************************/ 1124 1125 void dng_xmp_sdk::Set (const char *ns, 1126 const char *path, 1127 const char *text) 1128 { 1129 1130 NeedMeta (); 1131 1132 try 1133 { 1134 1135 fPrivate->fMeta->SetProperty (ns, path, text); 1136 1137 return; 1138 1139 } 1140 1141 catch (...) 1142 { 1143 1144 // Failed for some reason. 1145 1146 } 1147 1148 // Remove existing value and try again. 1149 1150 Remove (ns, path); 1151 1152 try 1153 { 1154 1155 fPrivate->fMeta->SetProperty (ns, path, text); 1156 1157 } 1158 1159 CATCH_XMP ("SetProperty", true) 1160 1161 } 1162 1163 /*****************************************************************************/ 1164 1165 void dng_xmp_sdk::SetString (const char *ns, 1166 const char *path, 1167 const dng_string &s) 1168 { 1169 1170 dng_string ss (s); 1171 1172 ss.SetLineEndings ('\n'); 1173 1174 ss.StripLowASCII (); 1175 1176 Set (ns, path, ss.Get ()); 1177 1178 } 1179 1180 /*****************************************************************************/ 1181 1182 void dng_xmp_sdk::SetStringList (const char *ns, 1183 const char *path, 1184 const dng_string_list &list, 1185 bool isBag) 1186 { 1187 1188 // Remove any existing structure. 1189 1190 Remove (ns, path); 1191 1192 // If list is not empty, add the items. 1193 1194 if (list.Count ()) 1195 { 1196 1197 NeedMeta (); 1198 1199 for (uint32 index = 0; index < list.Count (); index++) 1200 { 1201 1202 dng_string s (list [index]); 1203 1204 s.SetLineEndings ('\n'); 1205 1206 s.StripLowASCII (); 1207 1208 try 1209 { 1210 1211 fPrivate->fMeta->AppendArrayItem (ns, 1212 path, 1213 isBag ? kXMP_PropValueIsArray 1214 : kXMP_PropArrayIsOrdered, 1215 s.Get ()); 1216 1217 } 1218 1219 CATCH_XMP ("AppendArrayItem", true) 1220 1221 } 1222 1223 } 1224 1225 } 1226 1227 /*****************************************************************************/ 1228 1229 void dng_xmp_sdk::SetAltLangDefault (const char *ns, 1230 const char *path, 1231 const dng_string &s) 1232 { 1233 1234 NeedMeta (); 1235 1236 Remove (ns, path); 1237 1238 dng_string ss (s); 1239 1240 ss.SetLineEndings ('\n'); 1241 1242 ss.StripLowASCII (); 1243 1244 try 1245 { 1246 1247 fPrivate->fMeta->SetLocalizedText (ns, 1248 path, 1249 "x-default", 1250 "x-default", 1251 ss.Get ()); 1252 1253 } 1254 1255 CATCH_XMP ("SetLocalizedText", true) 1256 1257 } 1258 1259 /*****************************************************************************/ 1260 1261 void dng_xmp_sdk::SetStructField (const char *ns, 1262 const char *path, 1263 const char *fieldNS, 1264 const char *fieldName, 1265 const char *text) 1266 { 1267 1268 NeedMeta (); 1269 1270 try 1271 { 1272 1273 fPrivate->fMeta->SetStructField (ns, 1274 path, 1275 fieldNS, 1276 fieldName, 1277 text); 1278 1279 } 1280 1281 CATCH_XMP ("SetStructField", true) 1282 1283 } 1284 1285 /*****************************************************************************/ 1286 1287 void dng_xmp_sdk::DeleteStructField (const char *ns, 1288 const char *structName, 1289 const char *fieldNS, 1290 const char *fieldName) 1291 { 1292 1293 if (HasMeta ()) 1294 { 1295 1296 try 1297 { 1298 1299 fPrivate->fMeta->DeleteStructField (ns, structName, fieldNS, fieldName); 1300 1301 } 1302 1303 catch (...) 1304 { 1305 1306 } 1307 1308 } 1309 1310 } 1311 1312 /*****************************************************************************/ 1313 1314 dng_memory_block * dng_xmp_sdk::Serialize (dng_memory_allocator &allocator, 1315 bool asPacket, 1316 uint32 targetBytes, 1317 uint32 padBytes, 1318 bool forJPEG, 1319 bool compact) const 1320 { 1321 1322 // The largest XMP packet you can embed in JPEG using normal methods: 1323 1324 const uint32 kJPEG_XMP_Limit = 65504; 1325 1326 if (HasMeta ()) 1327 { 1328 1329 TXMP_STRING_TYPE s; 1330 1331 bool havePacket = false; 1332 1333 // Note that the XMP lib is changing its default to compact format 1334 // in the future, so the following line will need to change. 1335 1336 uint32 formatOption = compact ? kXMP_UseCompactFormat : 0; 1337 1338 if (asPacket && targetBytes) 1339 { 1340 1341 try 1342 { 1343 1344 fPrivate->fMeta->SerializeToBuffer (&s, 1345 formatOption | kXMP_ExactPacketLength, 1346 targetBytes, 1347 "", 1348 " "); 1349 1350 havePacket = true; 1351 1352 } 1353 1354 catch (...) 1355 { 1356 1357 // Most likely the packet cannot fit in the target 1358 // byte count. So try again without the limit. 1359 1360 } 1361 1362 } 1363 1364 if (!havePacket) 1365 { 1366 1367 try 1368 { 1369 1370 fPrivate->fMeta->SerializeToBuffer (&s, 1371 formatOption | 1372 (asPacket ? 0 1373 : kXMP_OmitPacketWrapper), 1374 (asPacket ? padBytes 1375 : 0), 1376 "", 1377 " "); 1378 1379 } 1380 1381 CATCH_XMP ("SerializeToBuffer", true) 1382 1383 } 1384 1385 uint32 packetLen = (uint32) s.size (); 1386 1387 if (forJPEG && asPacket && padBytes > 0 && targetBytes <= kJPEG_XMP_Limit && 1388 packetLen > kJPEG_XMP_Limit) 1389 { 1390 1391 uint32 overLimitCount = packetLen - kJPEG_XMP_Limit; 1392 1393 if (overLimitCount > padBytes) 1394 { 1395 padBytes = 0; 1396 } 1397 else 1398 { 1399 padBytes -= overLimitCount; 1400 } 1401 1402 try 1403 { 1404 1405 fPrivate->fMeta->SerializeToBuffer (&s, 1406 formatOption, 1407 padBytes, 1408 "", 1409 " "); 1410 1411 } 1412 1413 CATCH_XMP ("SerializeToBuffer", true) 1414 1415 packetLen = (uint32) s.size (); 1416 1417 } 1418 1419 if (packetLen) 1420 { 1421 1422 AutoPtr<dng_memory_block> buffer (allocator.Allocate (packetLen)); 1423 1424 memcpy (buffer->Buffer (), s.c_str (), packetLen); 1425 1426 return buffer.Release (); 1427 1428 } 1429 1430 } 1431 1432 return NULL; 1433 1434 } 1435 1436 /*****************************************************************************/ 1437 1438 void dng_xmp_sdk::PackageForJPEG (dng_memory_allocator &allocator, 1439 AutoPtr<dng_memory_block> &stdBlock, 1440 AutoPtr<dng_memory_block> &extBlock, 1441 dng_string &extDigest) const 1442 { 1443 1444 if (HasMeta ()) 1445 { 1446 1447 TXMP_STRING_TYPE stdStr; 1448 TXMP_STRING_TYPE extStr; 1449 TXMP_STRING_TYPE digestStr; 1450 1451 try 1452 { 1453 1454 SXMPUtils::PackageForJPEG (*fPrivate->fMeta, 1455 &stdStr, 1456 &extStr, 1457 &digestStr); 1458 1459 } 1460 1461 CATCH_XMP ("PackageForJPEG", true) 1462 1463 uint32 stdLen = (uint32) stdStr.size (); 1464 uint32 extLen = (uint32) extStr.size (); 1465 1466 if (stdLen) 1467 { 1468 1469 stdBlock.Reset (allocator.Allocate (stdLen)); 1470 1471 memcpy (stdBlock->Buffer (), stdStr.c_str (), stdLen); 1472 1473 } 1474 1475 if (extLen) 1476 { 1477 1478 extBlock.Reset (allocator.Allocate (extLen)); 1479 1480 memcpy (extBlock->Buffer (), extStr.c_str (), extLen); 1481 1482 if (digestStr.size () != 32) 1483 { 1484 ThrowProgramError (); 1485 } 1486 1487 extDigest.Set (digestStr.c_str ()); 1488 1489 } 1490 1491 } 1492 1493 } 1494 1495 /*****************************************************************************/ 1496 1497 void dng_xmp_sdk::MergeFromJPEG (const dng_xmp_sdk *xmp) 1498 { 1499 1500 if (xmp && xmp->HasMeta ()) 1501 { 1502 1503 NeedMeta (); 1504 1505 try 1506 { 1507 1508 SXMPUtils::MergeFromJPEG (fPrivate->fMeta, 1509 *xmp->fPrivate->fMeta); 1510 1511 } 1512 1513 CATCH_XMP ("MergeFromJPEG", true) 1514 1515 } 1516 1517 } 1518 1519 /*****************************************************************************/ 1520 1521 void dng_xmp_sdk::ReplaceXMP (dng_xmp_sdk *xmp) 1522 { 1523 1524 ClearMeta (); 1525 1526 if (xmp && xmp->HasMeta ()) 1527 { 1528 1529 fPrivate->fMeta = xmp->fPrivate->fMeta; 1530 1531 xmp->fPrivate->fMeta = NULL; 1532 1533 } 1534 1535 } 1536 1537 /*****************************************************************************/ 1538 1539 bool dng_xmp_sdk::IteratePaths (IteratePathsCallback *callback, 1540 void *callbackData, 1541 const char* startingNS, 1542 const char* startingPath) 1543 { 1544 1545 if (HasMeta ()) 1546 { 1547 1548 try 1549 { 1550 1551 SXMPIterator iter (*fPrivate->fMeta, startingNS, startingPath); 1552 1553 TXMP_STRING_TYPE ns; 1554 TXMP_STRING_TYPE prop; 1555 1556 while (iter.Next (&ns, 1557 &prop, 1558 NULL, 1559 NULL)) 1560 { 1561 1562 if (!callback (ns .c_str (), 1563 prop.c_str (), 1564 callbackData)) 1565 { 1566 1567 return false; 1568 1569 } 1570 1571 } 1572 1573 } 1574 1575 CATCH_XMP ("IteratePaths", true) 1576 1577 } 1578 1579 return true; 1580 1581 } 1582 1583 /*****************************************************************************/ 1584 1585 #if qDNGXMPDocOps 1586 1587 /*****************************************************************************/ 1588 1589 void dng_xmp_sdk::DocOpsOpenXMP (const char *srcMIMI) 1590 { 1591 1592 if (srcMIMI [0]) 1593 { 1594 1595 NeedMeta (); 1596 1597 try 1598 { 1599 1600 SXMPDocOps docOps; 1601 1602 docOps.OpenXMP (fPrivate->fMeta, 1603 srcMIMI); 1604 1605 } 1606 1607 CATCH_XMP ("DocOpsOpenXMP", false) 1608 1609 Set (XMP_NS_DC, 1610 "format", 1611 srcMIMI); 1612 1613 } 1614 1615 } 1616 1617 /*****************************************************************************/ 1618 1619 void dng_xmp_sdk::DocOpsPrepareForSave (const char *srcMIMI, 1620 const char *dstMIMI, 1621 bool newPath) 1622 { 1623 1624 NeedMeta (); 1625 1626 try 1627 { 1628 1629 SXMPDocOps docOps; 1630 1631 docOps.OpenXMP (fPrivate->fMeta, 1632 srcMIMI, 1633 "old path"); 1634 1635 docOps.NoteChange (kXMP_Part_All); 1636 1637 docOps.PrepareForSave (dstMIMI, 1638 newPath ? "new path" : "old path"); 1639 1640 } 1641 1642 CATCH_XMP ("DocOpsPrepareForSave", false) 1643 1644 Set (XMP_NS_DC, 1645 "format", 1646 dstMIMI); 1647 1648 } 1649 1650 /*****************************************************************************/ 1651 1652 void dng_xmp_sdk::DocOpsUpdateMetadata (const char *srcMIMI) 1653 { 1654 1655 NeedMeta (); 1656 1657 try 1658 { 1659 1660 SXMPDocOps docOps; 1661 1662 docOps.OpenXMP (fPrivate->fMeta, 1663 srcMIMI); 1664 1665 docOps.NoteChange (kXMP_Part_Metadata); 1666 1667 docOps.PrepareForSave (srcMIMI); 1668 1669 } 1670 1671 CATCH_XMP ("DocOpsUpdateMetadata", false) 1672 1673 } 1674 1675 /*****************************************************************************/ 1676 1677 #endif 1678 1679 /*****************************************************************************/ 1680
