cffload.c revision 049d6fea481044fcc000e7782e5bc7046fc70844
19258b6bc66e09368ada54001f619d53b4fc976d5ager@chromium.org/***************************************************************************/ 243d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen/* */ 343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen/* cffload.c */ 443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen/* */ 543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen/* OpenType and CFF data/program tables loader (body). */ 643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen/* */ 743d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007 by */ 843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen/* David Turner, Robert Wilhelm, and Werner Lemberg. */ 943d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen/* */ 1043d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen/* This file is part of the FreeType project, and may only be used, */ 1143d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen/* modified, and distributed under the terms of the FreeType project */ 1243d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ 1343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen/* this file you indicate that you have read the license and */ 1443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen/* understand and accept it fully. */ 1543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen/* */ 1643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen/***************************************************************************/ 1743d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 1843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 1943d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen#include <ft2build.h> 2043d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen#include FT_INTERNAL_DEBUG_H 2143d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen#include FT_INTERNAL_OBJECTS_H 2243d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen#include FT_INTERNAL_STREAM_H 2343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen#include FT_SERVICE_POSTSCRIPT_CMAPS_H 2443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen#include FT_TRUETYPE_TAGS_H 2543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen#include FT_TYPE1_TABLES_H 2643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 2743d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen#include "cffload.h" 2843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen#include "cffparse.h" 2943d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 3043d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen#include "cfferrs.h" 311c09276ce2ac5214e81ca554360b9f101187893blrn@chromium.org 329d58c2b1c27d8b2890b9bd46e57d3842b09e0292christian.plesner.hansen@gmail.com 33ce5e87bd905d592a8bd612b3dedf7a994177c13aager@chromium.org#if 1 349d58c2b1c27d8b2890b9bd46e57d3842b09e0292christian.plesner.hansen@gmail.com static const FT_UShort cff_isoadobe_charset[229] = 3571affb54842da76b24f0bb3184e9f0960523f89dkasperl@chromium.org { 3671affb54842da76b24f0bb3184e9f0960523f89dkasperl@chromium.org 0, 1, 2, 3, 4, 5, 6, 7, 3743d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 8, 9, 10, 11, 12, 13, 14, 15, 38a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 16, 17, 18, 19, 20, 21, 22, 23, 39a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 24, 25, 26, 27, 28, 29, 30, 31, 40a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 32, 33, 34, 35, 36, 37, 38, 39, 41a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 40, 41, 42, 43, 44, 45, 46, 47, 4243d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 48, 49, 50, 51, 52, 53, 54, 55, 4343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 56, 57, 58, 59, 60, 61, 62, 63, 4468ac009f55a85e6891742d58914eaf717f667b26kasperl@chromium.org 64, 65, 66, 67, 68, 69, 70, 71, 4568ac009f55a85e6891742d58914eaf717f667b26kasperl@chromium.org 72, 73, 74, 75, 76, 77, 78, 79, 46c9c80823e038328f2e1060d7feef0762a50adf06ricow@chromium.org 80, 81, 82, 83, 84, 85, 86, 87, 4768ac009f55a85e6891742d58914eaf717f667b26kasperl@chromium.org 88, 89, 90, 91, 92, 93, 94, 95, 48c9c80823e038328f2e1060d7feef0762a50adf06ricow@chromium.org 96, 97, 98, 99, 100, 101, 102, 103, 49c9c80823e038328f2e1060d7feef0762a50adf06ricow@chromium.org 104, 105, 106, 107, 108, 109, 110, 111, 50bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org 112, 113, 114, 115, 116, 117, 118, 119, 51bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org 120, 121, 122, 123, 124, 125, 126, 127, 5268ac009f55a85e6891742d58914eaf717f667b26kasperl@chromium.org 128, 129, 130, 131, 132, 133, 134, 135, 5343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 136, 137, 138, 139, 140, 141, 142, 143, 5443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 144, 145, 146, 147, 148, 149, 150, 151, 559a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com 152, 153, 154, 155, 156, 157, 158, 159, 569a4089a092cad9ff23b6416b92cd5d818dc101d1mads.s.ager@gmail.com 160, 161, 162, 163, 164, 165, 166, 167, 5743d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 168, 169, 170, 171, 172, 173, 174, 175, 5843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 176, 177, 178, 179, 180, 181, 182, 183, 5943d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 184, 185, 186, 187, 188, 189, 190, 191, 6043d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 192, 193, 194, 195, 196, 197, 198, 199, 6143d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 200, 201, 202, 203, 204, 205, 206, 207, 6243d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 208, 209, 210, 211, 212, 213, 214, 215, 6343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 216, 217, 218, 219, 220, 221, 222, 223, 6443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 224, 225, 226, 227, 228 658bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org }; 668bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org 678bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org static const FT_UShort cff_expert_charset[166] = 687be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org { 6941044eb0969b0d7d5c041a077519a36efa6aff27kasperl@chromium.org 0, 1, 229, 230, 231, 232, 233, 234, 7041044eb0969b0d7d5c041a077519a36efa6aff27kasperl@chromium.org 235, 236, 237, 238, 13, 14, 15, 99, 7141044eb0969b0d7d5c041a077519a36efa6aff27kasperl@chromium.org 239, 240, 241, 242, 243, 244, 245, 246, 7243d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 247, 248, 27, 28, 249, 250, 251, 252, 7343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 253, 254, 255, 256, 257, 258, 259, 260, 7443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 261, 262, 263, 264, 265, 266, 109, 110, 7541044eb0969b0d7d5c041a077519a36efa6aff27kasperl@chromium.org 267, 268, 269, 270, 271, 272, 273, 274, 7641044eb0969b0d7d5c041a077519a36efa6aff27kasperl@chromium.org 275, 276, 277, 278, 279, 280, 281, 282, 777be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 283, 284, 285, 286, 287, 288, 289, 290, 787be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 291, 292, 293, 294, 295, 296, 297, 298, 7943d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 299, 300, 301, 302, 303, 304, 305, 306, 808bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org 307, 308, 309, 310, 311, 312, 313, 314, 81cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org 315, 316, 317, 318, 158, 155, 163, 319, 82cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org 320, 321, 322, 323, 324, 325, 326, 150, 83cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org 164, 169, 327, 328, 329, 330, 331, 332, 84cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org 333, 334, 335, 336, 337, 338, 339, 340, 85a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 341, 342, 343, 344, 345, 346, 347, 348, 86a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 349, 350, 351, 352, 353, 354, 355, 356, 877be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 357, 358, 359, 360, 361, 362, 363, 364, 887be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 365, 366, 367, 368, 369, 370, 371, 372, 897be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 373, 374, 375, 376, 377, 378 907be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org }; 917be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 9241044eb0969b0d7d5c041a077519a36efa6aff27kasperl@chromium.org static const FT_UShort cff_expertsubset_charset[87] = 9341044eb0969b0d7d5c041a077519a36efa6aff27kasperl@chromium.org { 947be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 0, 1, 231, 232, 235, 236, 237, 238, 957be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 13, 14, 15, 99, 239, 240, 241, 242, 9641044eb0969b0d7d5c041a077519a36efa6aff27kasperl@chromium.org 243, 244, 245, 246, 247, 248, 27, 28, 97cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org 249, 250, 251, 253, 254, 255, 256, 257, 98cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org 258, 259, 260, 261, 262, 263, 264, 265, 99cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org 266, 109, 110, 267, 268, 269, 270, 272, 100cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org 300, 301, 302, 305, 314, 315, 158, 155, 101cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org 163, 320, 321, 322, 323, 324, 325, 326, 102cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org 150, 164, 169, 327, 328, 329, 330, 331, 103cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org 332, 333, 334, 335, 336, 337, 338, 339, 104cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org 340, 341, 342, 343, 344, 345, 346 105cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org }; 106cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org 107cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org static const FT_UShort cff_standard_encoding[256] = 108cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org { 109cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org 0, 0, 0, 0, 0, 0, 0, 0, 110cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org 0, 0, 0, 0, 0, 0, 0, 0, 111cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org 0, 0, 0, 0, 0, 0, 0, 0, 112cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org 0, 0, 0, 0, 0, 0, 0, 0, 113cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org 1, 2, 3, 4, 5, 6, 7, 8, 114cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org 9, 10, 11, 12, 13, 14, 15, 16, 115cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org 17, 18, 19, 20, 21, 22, 23, 24, 116cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org 25, 26, 27, 28, 29, 30, 31, 32, 117cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org 33, 34, 35, 36, 37, 38, 39, 40, 118c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.org 41, 42, 43, 44, 45, 46, 47, 48, 119cec079d8ed1f0920a0ea3dc9a3e81966013287c1whesse@chromium.org 49, 50, 51, 52, 53, 54, 55, 56, 120a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 57, 58, 59, 60, 61, 62, 63, 64, 12141826e77311db718135ef6517b846933dfd275f3ager@chromium.org 65, 66, 67, 68, 69, 70, 71, 72, 12241826e77311db718135ef6517b846933dfd275f3ager@chromium.org 73, 74, 75, 76, 77, 78, 79, 80, 12341826e77311db718135ef6517b846933dfd275f3ager@chromium.org 81, 82, 83, 84, 85, 86, 87, 88, 124a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 89, 90, 91, 92, 93, 94, 95, 0, 125a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 0, 0, 0, 0, 0, 0, 0, 0, 1267be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 0, 0, 0, 0, 0, 0, 0, 0, 1277be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 0, 0, 0, 0, 0, 0, 0, 0, 128a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 0, 0, 0, 0, 0, 0, 0, 0, 1290c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 0, 96, 97, 98, 99, 100, 101, 102, 1307be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 103, 104, 105, 106, 107, 108, 109, 110, 1317be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 0, 111, 112, 113, 114, 0, 115, 116, 1327be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 117, 118, 119, 120, 121, 122, 0, 123, 133bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org 0, 124, 125, 126, 127, 128, 129, 130, 1347be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 131, 0, 132, 133, 0, 134, 135, 136, 1357be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 137, 0, 0, 0, 0, 0, 0, 0, 1360c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 0, 0, 0, 0, 0, 0, 0, 0, 1370c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 0, 138, 0, 139, 0, 0, 0, 0, 1380c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 140, 141, 142, 143, 0, 0, 0, 0, 1390c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 0, 144, 0, 0, 0, 145, 0, 0, 1400c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 146, 147, 148, 149, 0, 0, 0, 0 1410c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org }; 1420c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 1430c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org static const FT_UShort cff_expert_encoding[256] = 1440c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org { 1450c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 0, 0, 0, 0, 0, 0, 0, 0, 146bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org 0, 0, 0, 0, 0, 0, 0, 0, 1477be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 0, 0, 0, 0, 0, 0, 0, 0, 1487be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 0, 0, 0, 0, 0, 0, 0, 0, 1497be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 1, 229, 230, 0, 231, 232, 233, 234, 1507be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 235, 236, 237, 238, 13, 14, 15, 99, 1517be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 239, 240, 241, 242, 243, 244, 245, 246, 1527be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 247, 248, 27, 28, 249, 250, 251, 252, 1537be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 0, 253, 254, 255, 256, 257, 0, 0, 1547be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 0, 258, 0, 0, 259, 260, 261, 262, 1557be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 0, 0, 263, 264, 265, 0, 266, 109, 156bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org 110, 267, 268, 269, 0, 270, 271, 272, 1577be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 273, 274, 275, 276, 277, 278, 279, 280, 1587be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 281, 282, 283, 284, 285, 286, 287, 288, 1597be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 289, 290, 291, 292, 293, 294, 295, 296, 160bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org 297, 298, 299, 300, 301, 302, 303, 0, 1617be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 0, 0, 0, 0, 0, 0, 0, 0, 1627be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 0, 0, 0, 0, 0, 0, 0, 0, 1637be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 0, 0, 0, 0, 0, 0, 0, 0, 1647be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 0, 0, 0, 0, 0, 0, 0, 0, 1657be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 0, 304, 305, 306, 0, 0, 307, 308, 166a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 309, 310, 311, 0, 312, 0, 0, 312, 167bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org 0, 0, 314, 315, 0, 0, 316, 317, 168bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org 318, 0, 0, 0, 158, 155, 163, 319, 169bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org 320, 321, 322, 323, 324, 325, 0, 0, 1707be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 326, 150, 164, 169, 327, 328, 329, 330, 171bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org 331, 332, 333, 334, 335, 336, 337, 338, 1727be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 339, 340, 341, 342, 343, 344, 345, 346, 1737be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 347, 348, 349, 350, 351, 352, 353, 354, 1747be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 355, 356, 357, 358, 359, 360, 361, 362, 1757be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 363, 364, 365, 366, 367, 368, 369, 370, 1767be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 371, 372, 373, 374, 375, 376, 377, 378 1777be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org }; 17843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen#endif /* 1 */ 17983a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org 18083a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org 18183a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org FT_LOCAL_DEF( FT_UShort ) 18283a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org cff_get_standard_encoding( FT_UInt charcode ) 18383a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org { 18483a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org return (FT_UShort)( charcode < 256 ? cff_standard_encoding[charcode] 18583a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org : 0 ); 18683a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org } 187bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org 188bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org 189bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org /*************************************************************************/ 190bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org /* */ 19168ac009f55a85e6891742d58914eaf717f667b26kasperl@chromium.org /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ 19268ac009f55a85e6891742d58914eaf717f667b26kasperl@chromium.org /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ 193bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org /* messages during execution. */ 194bb29dc9819bb6f495ab6eddd2543965eb97a8e43ager@chromium.org /* */ 19543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen#undef FT_COMPONENT 19643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen#define FT_COMPONENT trace_cffload 197a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 198a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 199a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* read an offset from the index's stream current position */ 200a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org static FT_ULong 20143d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen cff_index_read_offset( CFF_Index idx, 20243d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen FT_Error *errorp ) 20343d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen { 20443d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen FT_Error error; 20543d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen FT_Stream stream = idx->stream; 20643d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen FT_Byte tmp[4]; 20743d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen FT_ULong result = 0; 20843d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 20943d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 21043d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen if ( !FT_STREAM_READ( tmp, idx->off_size ) ) 21143d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen { 21243d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen FT_Int nn; 2130c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 2140c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 2150c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org for ( nn = 0; nn < idx->off_size; nn++ ) 2160c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org result = ( result << 8 ) | tmp[nn]; 2170c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org } 2180c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 2190c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org *errorp = error; 2200c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org return result; 2210c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org } 2220c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 2230c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 2240c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org static FT_Error 2250c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org cff_index_init( CFF_Index idx, 2260c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org FT_Stream stream, 2270c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org FT_Bool load ) 2280c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org { 2290c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org FT_Error error; 2300c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org FT_Memory memory = stream->memory; 2310c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org FT_UShort count; 2320c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 2330c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 2340c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org FT_MEM_ZERO( idx, sizeof ( *idx ) ); 2350c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 2360c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org idx->stream = stream; 2370c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org idx->start = FT_STREAM_POS(); 2380c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org if ( !FT_READ_USHORT( count ) && 2390c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org count > 0 ) 2400c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org { 2410c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org FT_Byte offsize; 2420c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org FT_ULong size; 2430c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 2440c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 2450c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org /* there is at least one element; read the offset size, */ 2460c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org /* then access the offset table to compute the index's total size */ 2470c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org if ( FT_READ_BYTE( offsize ) ) 2480c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org goto Exit; 2490c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 2500c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org if ( offsize < 1 || offsize > 4 ) 2510c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org { 2520c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org error = FT_Err_Invalid_Table; 2530c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org goto Exit; 2540c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org } 2550c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 2560c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org idx->count = count; 2570c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org idx->off_size = offsize; 2580c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org size = (FT_ULong)( count + 1 ) * offsize; 2590c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 2600c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org idx->data_offset = idx->start + 3 + size; 2610c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 2620c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org if ( FT_STREAM_SKIP( size - offsize ) ) 2630c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org goto Exit; 264a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 265a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org size = cff_index_read_offset( idx, &error ); 266a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( error ) 267a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org goto Exit; 268a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 269a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( size == 0 ) 270a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 271a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org error = CFF_Err_Invalid_Table; 272a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org goto Exit; 273a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org } 274a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 275a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org idx->data_size = --size; 276a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 277a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( load ) 278a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 279a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* load the data */ 280a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( FT_FRAME_EXTRACT( size, idx->bytes ) ) 281a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org goto Exit; 282a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org } 283a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org else 284a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 285a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* skip the data */ 286a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( FT_STREAM_SKIP( size ) ) 287a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org goto Exit; 2888bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org } 289a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org } 29038e4c715e3a3df4ef11ccd3b86525be8f686ecb5ager@chromium.org 291a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org Exit: 292a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( error ) 293a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_FREE( idx->offsets ); 294a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 2950c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org return error; 2960c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org } 2970c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 2980c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 2990c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org static void 3000c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org cff_index_done( CFF_Index idx ) 3010c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org { 3020c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org if ( idx->stream ) 3030c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org { 3040c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org FT_Stream stream = idx->stream; 3050c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org FT_Memory memory = stream->memory; 3060c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 3070c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 3080c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org if ( idx->bytes ) 3090c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org FT_FRAME_RELEASE( idx->bytes ); 3100c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 3110c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org FT_FREE( idx->offsets ); 3120c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org FT_MEM_ZERO( idx, sizeof ( *idx ) ); 3130c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org } 3140c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org } 3150c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 3160c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 3170c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org static FT_Error 3180c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org cff_index_load_offsets( CFF_Index idx ) 3190c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org { 3200c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org FT_Error error = 0; 3210c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org FT_Stream stream = idx->stream; 3220c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org FT_Memory memory = stream->memory; 3230c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 3240c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 3250c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org if ( idx->count > 0 && idx->offsets == NULL ) 3260c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org { 3270c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org FT_Byte offsize = idx->off_size; 328a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_ULong data_size; 329a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_Byte* p; 330a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_Byte* p_end; 331a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_ULong* poff; 332a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 333a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 334a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org data_size = (FT_ULong)( idx->count + 1 ) * offsize; 335a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 336a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( FT_NEW_ARRAY( idx->offsets, idx->count + 1 ) || 337a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_STREAM_SEEK( idx->start + 3 ) || 338a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_FRAME_ENTER( data_size ) ) 339a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org goto Exit; 340a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 341a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org poff = idx->offsets; 342a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org p = (FT_Byte*)stream->cursor; 343a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org p_end = p + data_size; 344a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 345a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org switch ( offsize ) 346a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 347a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org case 1: 348a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org for ( ; p < p_end; p++, poff++ ) 349a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org poff[0] = p[0]; 350a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org break; 351a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 352a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org case 2: 353a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org for ( ; p < p_end; p += 2, poff++ ) 354a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org poff[0] = FT_PEEK_USHORT( p ); 355a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org break; 356a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 357a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org case 3: 358a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org for ( ; p < p_end; p += 3, poff++ ) 359a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org poff[0] = FT_PEEK_OFF3( p ); 360a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org break; 361a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 3623291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org default: 363a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org for ( ; p < p_end; p += 4, poff++ ) 364a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org poff[0] = FT_PEEK_ULONG( p ); 365a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org } 366a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 367a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_FRAME_EXIT(); 368a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org } 369a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 370a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org Exit: 371a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( error ) 372a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_FREE( idx->offsets ); 373a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 374a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org return error; 375a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org } 376a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 377a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 378a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* allocate a table containing pointers to an index's elements */ 379a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org static FT_Error 380a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org cff_index_get_pointers( CFF_Index idx, 381a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_Byte*** table ) 382a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 383a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_Error error = CFF_Err_Ok; 384a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_Memory memory = idx->stream->memory; 385a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_ULong n, offset, old_offset; 386a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_Byte** t; 387a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 388a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 389a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org *table = 0; 390a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 391a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( idx->offsets == NULL ) 392a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 393a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org error = cff_index_load_offsets( idx ); 394a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( error ) 395a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org goto Exit; 396a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org } 397a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 398a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( idx->count > 0 && !FT_NEW_ARRAY( t, idx->count + 1 ) ) 399a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 400a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org old_offset = 1; 401a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org for ( n = 0; n <= idx->count; n++ ) 402a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 403a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org offset = idx->offsets[n]; 404a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( !offset ) 405a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org offset = old_offset; 406a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 407a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* two sanity checks for invalid offset tables */ 408a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org else if ( offset < old_offset ) 409a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org offset = old_offset; 410a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 411a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org else if ( offset - 1 >= idx->data_size && n < idx->count ) 412a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org offset = old_offset; 413a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 414a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org t[n] = idx->bytes + offset - 1; 415a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 416a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org old_offset = offset; 417a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org } 418a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org *table = t; 419a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org } 420a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 421a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org Exit: 422a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org return error; 423ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org } 424a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 425a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 426a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_LOCAL_DEF( FT_Error ) 427a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org cff_index_access_element( CFF_Index idx, 428a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_UInt element, 429a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_Byte** pbytes, 430a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_ULong* pbyte_len ) 431a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 432a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_Error error = CFF_Err_Ok; 433a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 434a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 435a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( idx && idx->count > element ) 436a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 437a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* compute start and end offsets */ 438a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_Stream stream = idx->stream; 439a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_ULong off1, off2 = 0; 440a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 441a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 442a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* load offsets from file or the offset table */ 443a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( !idx->offsets ) 444a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 445a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_ULong pos = element * idx->off_size; 446a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 447a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 448a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( FT_STREAM_SEEK( idx->start + 3 + pos ) ) 449a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org goto Exit; 4508bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org 451a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org off1 = cff_index_read_offset( idx, &error ); 452a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( error ) 45337abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com goto Exit; 454a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 455a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( off1 != 0 ) 456a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 457a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org do 458a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 4598bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org element++; 460a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org off2 = cff_index_read_offset( idx, &error ); 461a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org } 462a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org while ( off2 == 0 && element < idx->count ); 4633291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org } 4648bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org } 4658bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org else /* use offsets table */ 466a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 467a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org off1 = idx->offsets[element]; 468a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( off1 ) 469a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 470a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org do 471a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 472a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org element++; 473a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org off2 = idx->offsets[element]; 474a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 475a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org } while ( off2 == 0 && element < idx->count ); 476a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org } 477a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org } 478a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 479a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* access element */ 480a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( off1 && off2 > off1 ) 481a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 48237abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com *pbyte_len = off2 - off1; 483a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 484a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( idx->bytes ) 485a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 486a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* this index was completely loaded in memory, that's easy */ 487a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org *pbytes = idx->bytes + off1 - 1; 488a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org } 489a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org else 490a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 491a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* this index is still on disk/file, access it through a frame */ 492a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( FT_STREAM_SEEK( idx->data_offset + off1 - 1 ) || 493a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_FRAME_EXTRACT( off2 - off1, *pbytes ) ) 4948bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org goto Exit; 4958bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org } 4968bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org } 4978bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org else 4988bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org { 4998bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org /* empty index element */ 500a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org *pbytes = 0; 501a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org *pbyte_len = 0; 502a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org } 503a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org } 504a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org else 505a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org error = CFF_Err_Invalid_Argument; 506a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 507a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org Exit: 508a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org return error; 509a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org } 510a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 511a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 512a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_LOCAL_DEF( void ) 513a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org cff_index_forget_element( CFF_Index idx, 514a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_Byte** pbytes ) 515a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 516a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( idx->bytes == 0 ) 517a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 518a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_Stream stream = idx->stream; 519a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 520a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 521a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_FRAME_RELEASE( *pbytes ); 522a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org } 523a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org } 524a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 525a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 526a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_LOCAL_DEF( FT_String* ) 527a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org cff_index_get_name( CFF_Index idx, 528a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_UInt element ) 529a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 530a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_Memory memory = idx->stream->memory; 531a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_Byte* bytes; 532a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_ULong byte_len; 533a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_Error error; 534a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_String* name = 0; 535a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 536a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 537a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org error = cff_index_access_element( idx, element, &bytes, &byte_len ); 538a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( error ) 539a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org goto Exit; 540a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 541a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( !FT_ALLOC( name, byte_len + 1 ) ) 542a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 543a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_MEM_COPY( name, bytes, byte_len ); 544a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org name[byte_len] = 0; 545a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org } 54637abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com cff_index_forget_element( idx, &bytes ); 54737abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com 54837abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com Exit: 54937abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com return name; 55037abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com } 55137abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com 55237abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com 553245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org FT_LOCAL_DEF( FT_String* ) 554245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org cff_index_get_sid_string( CFF_Index idx, 55537abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com FT_UInt sid, 55637abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com FT_Service_PsCMaps psnames ) 55737abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com { 558245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org /* value 0xFFFFU indicates a missing dictionary entry */ 559245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org if ( sid == 0xFFFFU ) 56037abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com return 0; 56137abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com 56237abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com /* if it is not a standard string, return it */ 56337abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com if ( sid > 390 ) 56437abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com return cff_index_get_name( idx, sid - 391 ); 56537abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com 566245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org /* CID-keyed CFF fonts don't have glyph names */ 567245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org if ( !psnames ) 56837abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com return 0; 56937abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com 57037abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com /* that's a standard string, fetch a copy from the PSName module */ 57137abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com { 57237abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com FT_String* name = 0; 57337abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com const char* adobe_name = psnames->adobe_std_strings( sid ); 57437abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com 57537abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com 57637abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com if ( adobe_name ) 57737abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com { 57837abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com FT_Memory memory = idx->stream->memory; 57937abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com FT_Error error; 58037abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com 58137abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com 58237abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com (void)FT_STRDUP( name, adobe_name ); 58337abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com 58437abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com FT_UNUSED( error ); 58537abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com } 58637abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com 58737abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com return name; 58837abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com } 58937abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com } 59037abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com 59137abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com 592245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org /*************************************************************************/ 593245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org /*************************************************************************/ 594245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org /*** ***/ 59537abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com /*** FD Select table support ***/ 59637abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com /*** ***/ 59737abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com /*************************************************************************/ 598a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /*************************************************************************/ 599a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 6000c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 60137abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com static void 602a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org CFF_Done_FD_Select( CFF_FDSelect fdselect, 603a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_Stream stream ) 604ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org { 60537abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com if ( fdselect->data ) 606ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org FT_FRAME_RELEASE( fdselect->data ); 607ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org 608a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org fdselect->data_size = 0; 609a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org fdselect->format = 0; 610a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org fdselect->range_count = 0; 611a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org } 612a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 613a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 614a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org static FT_Error 61537abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com CFF_Load_FD_Select( CFF_FDSelect fdselect, 61637abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com FT_UInt num_glyphs, 61737abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com FT_Stream stream, 61837abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com FT_ULong offset ) 6193291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org { 62037abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com FT_Error error; 62137abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com FT_Byte format; 62237abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com FT_UInt num_ranges; 62337abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com 62437abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com 62537abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com /* read format */ 62637abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com if ( FT_STREAM_SEEK( offset ) || FT_READ_BYTE( format ) ) 62737abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com goto Exit; 62837abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com 62937abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com fdselect->format = format; 630245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org fdselect->cache_count = 0; /* clear cache */ 631245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org 6328bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org switch ( format ) 6338bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org { 6348bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org case 0: /* format 0, that's simple */ 6353291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org fdselect->data_size = num_glyphs; 6363291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org goto Load_Data; 6373291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org 6383291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org case 3: /* format 3, a tad more complex */ 6393291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org if ( FT_READ_USHORT( num_ranges ) ) 6403291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org goto Exit; 641a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 642a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org fdselect->data_size = num_ranges * 3 + 2; 643a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 644a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org Load_Data: 645a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( FT_FRAME_EXTRACT( fdselect->data_size, fdselect->data ) ) 646a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org goto Exit; 647a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org break; 648a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 649a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org default: /* hmm... that's wrong */ 650a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org error = CFF_Err_Invalid_File_Format; 651a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org } 652a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 653a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org Exit: 654a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org return error; 655a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org } 6560c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 6570c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 6580c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org FT_LOCAL_DEF( FT_Byte ) 6590c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org cff_fd_select_get( CFF_FDSelect fdselect, 6600c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org FT_UInt glyph_index ) 6610c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org { 6620c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org FT_Byte fd = 0; 6630c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 6640c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 6650c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org switch ( fdselect->format ) 6660c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org { 6670c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org case 0: 6680c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org fd = fdselect->data[glyph_index]; 6690c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org break; 6700c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 6710c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org case 3: 6720c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org /* first, compare to cache */ 6730c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org if ( (FT_UInt)( glyph_index - fdselect->cache_first ) < 6740c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org fdselect->cache_count ) 675a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 676ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org fd = fdselect->cache_fd; 6770c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org break; 6780c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org } 6793291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org 680a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* then, lookup the ranges array */ 681a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 682a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_Byte* p = fdselect->data; 683a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_Byte* p_limit = p + fdselect->data_size; 684a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_Byte fd2; 685a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_UInt first, limit; 686a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 687a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 688a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org first = FT_NEXT_USHORT( p ); 689a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org do 690a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 691a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( glyph_index < first ) 692a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org break; 693a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 694a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org fd2 = *p++; 6953291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org limit = FT_NEXT_USHORT( p ); 696a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 697a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( glyph_index < limit ) 698a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 6990c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org fd = fd2; 700a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 701a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* update cache */ 702a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org fdselect->cache_first = first; 7030c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org fdselect->cache_count = limit-first; 7043291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org fdselect->cache_fd = fd2; 7053291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org break; 7063291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org } 7073291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org first = limit; 7083291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org 7093291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org } while ( p < p_limit ); 7103291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org } 7113291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org break; 7123291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org 7133291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org default: 7143291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org ; 7153291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org } 7163291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org 7173291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org return fd; 7183291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org } 7193291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org 7203291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org 7213291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org /*************************************************************************/ 7223291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org /*************************************************************************/ 7233291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org /*** ***/ 7243291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org /*** CFF font support ***/ 7253291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org /*** ***/ 7263291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org /*************************************************************************/ 7273291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org /*************************************************************************/ 7283291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org 7293291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org static FT_Error 7303291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org cff_charset_compute_cids( CFF_Charset charset, 7313291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org FT_UInt num_glyphs, 7323291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org FT_Memory memory ) 7333291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org { 7343291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org FT_Error error = FT_Err_Ok; 7353291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org FT_UInt i; 7363291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org FT_UShort max_cid = 0; 737a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 738a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 739a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( charset->max_cid > 0 ) 740a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org goto Exit; 741a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 742a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org for ( i = 0; i < num_glyphs; i++ ) 743a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( charset->sids[i] > max_cid ) 744a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org max_cid = charset->sids[i]; 745a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org max_cid++; 746a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 747a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( FT_NEW_ARRAY( charset->cids, max_cid ) ) 748a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org goto Exit; 749a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 750a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org for ( i = 0; i < num_glyphs; i++ ) 751a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org charset->cids[charset->sids[i]] = (FT_UShort)i; 752a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 753a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org charset->max_cid = max_cid; 7548bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org charset->num_glyphs = num_glyphs; 755a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 756a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org Exit: 757a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org return error; 7583291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org } 7593291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org 7603291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org 761a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_LOCAL_DEF( FT_UInt ) 7628bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org cff_charset_cid_to_gindex( CFF_Charset charset, 763a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_UInt cid ) 764ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org { 765ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org FT_UInt result = 0; 766ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org 7673291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org 7683291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org if ( cid < charset->max_cid ) 7693291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org result = charset->cids[cid]; 7703291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org 7713291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org return result; 7723291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org } 773ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org 774ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org 7753291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org static void 7763291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org cff_charset_free_cids( CFF_Charset charset, 7773291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org FT_Memory memory ) 7783291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org { 7793291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org FT_FREE( charset->cids ); 780a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org charset->max_cid = 0; 781ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org } 782a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 783a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 784a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org static void 78537abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com cff_charset_done( CFF_Charset charset, 78637abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com FT_Stream stream ) 787245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org { 788245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org FT_Memory memory = stream->memory; 789245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org 790245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org 79137abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com cff_charset_free_cids( charset, memory ); 7928bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org 7938bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org FT_FREE( charset->sids ); 7948bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org charset->format = 0; 795a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org charset->offset = 0; 7960c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org } 797a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 798a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 799a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org static FT_Error 800a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org cff_charset_load( CFF_Charset charset, 801a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_UInt num_glyphs, 802a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_Stream stream, 803a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_ULong base_offset, 804a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_ULong offset, 805a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_Bool invert ) 806a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 807a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_Memory memory = stream->memory; 808ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org FT_Error error = CFF_Err_Ok; 809a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_UShort glyph_sid; 810a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 811a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 812a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* If the the offset is greater than 2, we have to parse the */ 813ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org /* charset table. */ 814ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org if ( offset > 2 ) 815a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 8163291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org FT_UInt j; 8173291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org 8183291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org 8193291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org charset->offset = base_offset + offset; 8203291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org 8213291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org /* Get the format of the table. */ 8223291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org if ( FT_STREAM_SEEK( charset->offset ) || 8233291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org FT_READ_BYTE( charset->format ) ) 8243291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org goto Exit; 825a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 826a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* Allocate memory for sids. */ 827a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( FT_NEW_ARRAY( charset->sids, num_glyphs ) ) 828a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org goto Exit; 829a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 830a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* assign the .notdef glyph */ 831a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org charset->sids[0] = 0; 832a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 833a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org switch ( charset->format ) 834a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 835a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org case 0: 836a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( num_glyphs > 0 ) 8378bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org { 838a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( FT_FRAME_ENTER( ( num_glyphs - 1 ) * 2 ) ) 839a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org goto Exit; 840a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 8418bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org for ( j = 1; j < num_glyphs; j++ ) 842a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org charset->sids[j] = FT_GET_USHORT(); 843a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 844a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_FRAME_EXIT(); 845a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org } 846a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org break; 847ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org 848a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org case 1: 849a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org case 2: 850a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org { 85137abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com FT_UInt nleft; 85237abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com FT_UInt i; 853245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org 854245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org 855a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org j = 1; 85638e4c715e3a3df4ef11ccd3b86525be8f686ecb5ager@chromium.org 8578bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org while ( j < num_glyphs ) 8588bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org { 8598bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org /* Read the first glyph sid of the range. */ 8608bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org if ( FT_READ_USHORT( glyph_sid ) ) 8618bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org goto Exit; 8628bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org 8638bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org /* Read the number of glyphs in the range. */ 8640c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org if ( charset->format == 2 ) 86537abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com { 86637abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com if ( FT_READ_USHORT( nleft ) ) 867381abbb58260f2fc7d346d0e2f83d0f132a4c14bager@chromium.org goto Exit; 868381abbb58260f2fc7d346d0e2f83d0f132a4c14bager@chromium.org } 869381abbb58260f2fc7d346d0e2f83d0f132a4c14bager@chromium.org else 870381abbb58260f2fc7d346d0e2f83d0f132a4c14bager@chromium.org { 871381abbb58260f2fc7d346d0e2f83d0f132a4c14bager@chromium.org if ( FT_READ_BYTE( nleft ) ) 87237abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com goto Exit; 873381abbb58260f2fc7d346d0e2f83d0f132a4c14bager@chromium.org } 874381abbb58260f2fc7d346d0e2f83d0f132a4c14bager@chromium.org 875381abbb58260f2fc7d346d0e2f83d0f132a4c14bager@chromium.org /* Fill in the range of sids -- `nleft + 1' glyphs. */ 87637abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com for ( i = 0; j < num_glyphs && i <= nleft; i++, j++, glyph_sid++ ) 87737abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com charset->sids[j] = glyph_sid; 87837abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com } 8793291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org } 88037abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com break; 88137abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com 88237abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com default: 883a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_ERROR(( "cff_charset_load: invalid table format!\n" )); 884a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org error = CFF_Err_Invalid_File_Format; 885a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org goto Exit; 886a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org } 887ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org } 888ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org else 889ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org { 890ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org /* Parse default tables corresponding to offset == 0, 1, or 2. */ 891ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org /* CFF specification intimates the following: */ 892ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org /* */ 893ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org /* In order to use a predefined charset, the following must be */ 8940c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org /* true: The charset constructed for the glyphs in the font's */ 8950c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org /* charstrings dictionary must match the predefined charset in */ 8960c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org /* the first num_glyphs. */ 8970c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 8980c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org charset->offset = offset; /* record charset type */ 8990c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 900ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org switch ( (FT_UInt)offset ) 901ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org { 902ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org case 0: 903ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org if ( num_glyphs > 229 ) 904ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org { 905ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org FT_ERROR(( "cff_charset_load: implicit charset larger than\n" 906ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org "predefined charset (Adobe ISO-Latin)!\n" )); 907ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org error = CFF_Err_Invalid_File_Format; 908ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org goto Exit; 909ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org } 910ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org 911ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org /* Allocate memory for sids. */ 912ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org if ( FT_NEW_ARRAY( charset->sids, num_glyphs ) ) 913ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org goto Exit; 914ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org 915ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org /* Copy the predefined charset into the allocated memory. */ 916ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org FT_ARRAY_COPY( charset->sids, cff_isoadobe_charset, num_glyphs ); 917ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org 918a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org break; 919a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 920a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org case 1: 921ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org if ( num_glyphs > 166 ) 922ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org { 923245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org FT_ERROR(( "cff_charset_load: implicit charset larger than\n" 924245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org "predefined charset (Adobe Expert)!\n" )); 9250c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org error = CFF_Err_Invalid_File_Format; 926ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org goto Exit; 927ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org } 9280c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 929ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org /* Allocate memory for sids. */ 930ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org if ( FT_NEW_ARRAY( charset->sids, num_glyphs ) ) 931ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org goto Exit; 932ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org 933ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org /* Copy the predefined charset into the allocated memory. */ 934ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org FT_ARRAY_COPY( charset->sids, cff_expert_charset, num_glyphs ); 935ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org 936a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org break; 937a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 938a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org case 2: 939a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( num_glyphs > 87 ) 9408bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org { 941a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_ERROR(( "cff_charset_load: implicit charset larger than\n" 942a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org "predefined charset (Adobe Expert Subset)!\n" )); 943a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org error = CFF_Err_Invalid_File_Format; 944a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org goto Exit; 945a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org } 946a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 947ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org /* Allocate memory for sids. */ 948a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org if ( FT_NEW_ARRAY( charset->sids, num_glyphs ) ) 949a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org goto Exit; 950a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 95137abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com /* Copy the predefined charset into the allocated memory. */ 95237abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com FT_ARRAY_COPY( charset->sids, cff_expertsubset_charset, num_glyphs ); 953245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org 954245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org break; 95537abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com 95637abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com default: 957a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org error = CFF_Err_Invalid_File_Format; 9580c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org goto Exit; 959a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org } 960a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org } 961a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 962a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* we have to invert the `sids' array for subsetted CID-keyed fonts */ 963a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( invert ) 964a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org error = cff_charset_compute_cids( charset, num_glyphs, memory ); 965a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 966a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org Exit: 9678bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org /* Clean up if there was an error. */ 968a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( error ) 969a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 970ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org FT_FREE( charset->sids ); 971a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org FT_FREE( charset->cids ); 972a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org charset->format = 0; 973a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org charset->offset = 0; 97437abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com charset->sids = 0; 97537abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com } 976245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org 977245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org return error; 97837abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com } 97937abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com 98037abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com 981a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org static void 982a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org cff_encoding_done( CFF_Encoding encoding ) 983a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 984a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org encoding->format = 0; 985a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org encoding->offset = 0; 986a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org encoding->count = 0; 9878bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org } 9888bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org 989ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org 990ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org static FT_Error 991ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org cff_encoding_load( CFF_Encoding encoding, 992ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org CFF_Charset charset, 9938bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org FT_UInt num_glyphs, 9948bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org FT_Stream stream, 995ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org FT_ULong base_offset, 996ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org FT_ULong offset ) 997ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org { 998ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org FT_Error error = CFF_Err_Ok; 9998bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org FT_UInt count; 10008bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org FT_UInt j; 10018bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org FT_UShort glyph_sid; 10028bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org FT_UInt glyph_code; 1003ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org 1004ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org 10058bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org /* Check for charset->sids. If we do not have this, we fail. */ 10068bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org if ( !charset->sids ) 10078bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org { 1008a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org error = CFF_Err_Invalid_File_Format; 1009a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org goto Exit; 1010a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org } 1011a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 1012a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* Zero out the code to gid/sid mappings. */ 1013a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org for ( j = 0; j < 256; j++ ) 1014a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 1015a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org encoding->sids [j] = 0; 1016a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org encoding->codes[j] = 0; 1017a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org } 1018a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 1019a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* Note: The encoding table in a CFF font is indexed by glyph index; */ 1020a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* the first encoded glyph index is 1. Hence, we read the character */ 1021a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* code (`glyph_code') at index j and make the assignment: */ 1022a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* */ 1023a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* encoding->codes[glyph_code] = j + 1 */ 1024a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* */ 1025a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* We also make the assignment: */ 1026a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* */ 1027a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* encoding->sids[glyph_code] = charset->sids[j + 1] */ 1028a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* */ 1029a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* This gives us both a code to GID and a code to SID mapping. */ 1030a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 1031a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( offset > 1 ) 1032a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 1033a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org encoding->offset = base_offset + offset; 1034a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 1035a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* we need to parse the table to determine its size */ 1036a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( FT_STREAM_SEEK( encoding->offset ) || 1037a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_READ_BYTE( encoding->format ) || 1038a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_READ_BYTE( count ) ) 1039a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org goto Exit; 104037abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com 104137abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com switch ( encoding->format & 0x7F ) 104237abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com { 1043a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org case 0: 1044a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 10458bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org FT_Byte* p; 10468bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org 1047a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 1048245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org /* By convention, GID 0 is always ".notdef" and is never */ 1049a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* coded in the font. Hence, the number of codes found */ 1050a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* in the table is `count+1'. */ 1051a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* */ 1052a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org encoding->count = count + 1; 1053a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 1054ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org if ( FT_FRAME_ENTER( count ) ) 1055a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org goto Exit; 1056a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 1057a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org p = (FT_Byte*)stream->cursor; 1058ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org 1059ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org for ( j = 1; j <= count; j++ ) 1060a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org { 1061a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org glyph_code = *p++; 106237abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com 106337abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com /* Make sure j is not too big. */ 1064245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org if ( j < num_glyphs ) 1065245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org { 1066a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* Assign code to GID mapping. */ 1067a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org encoding->codes[glyph_code] = (FT_UShort)j; 1068a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 1069245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org /* Assign code to SID mapping. */ 1070245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org encoding->sids[glyph_code] = charset->sids[j]; 1071a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org } 1072ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org } 1073a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 10748bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org FT_FRAME_EXIT(); 10755ec4892aef9cca42940d7d92302abf674365f6b7ager@chromium.org } 10768bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org break; 10778bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org 1078a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org case 1: 1079a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 108037abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com FT_UInt nleft; 1081a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_UInt i = 1; 10825ec4892aef9cca42940d7d92302abf674365f6b7ager@chromium.org FT_UInt k; 10833291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org 1084a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 1085ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org encoding->count = 0; 10863291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org 108737abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com /* Parse the Format1 ranges. */ 108837abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com for ( j = 0; j < count; j++, i += nleft ) 108937abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com { 109037abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com /* Read the first glyph code of the range. */ 1091a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( FT_READ_BYTE( glyph_code ) ) 1092245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org goto Exit; 1093245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org 1094245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org /* Read the number of codes in the range. */ 1095a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( FT_READ_BYTE( nleft ) ) 1096a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org goto Exit; 1097a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 1098a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* Increment nleft, so we read `nleft + 1' codes/sids. */ 1099ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org nleft++; 1100ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org 1101ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org /* compute max number of character codes */ 1102ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org if ( (FT_UInt)nleft > encoding->count ) 1103ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org encoding->count = nleft; 1104ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org 1105ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org /* Fill in the range of codes/sids. */ 1106ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org for ( k = i; k < nleft + i; k++, glyph_code++ ) 1107a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org { 1108a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org /* Make sure k is not too big. */ 1109a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org if ( k < num_glyphs && glyph_code < 256 ) 1110ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org { 1111ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org /* Assign code to GID mapping. */ 1112245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org encoding->codes[glyph_code] = (FT_UShort)k; 1113245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org 1114ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org /* Assign code to SID mapping. */ 1115ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org encoding->sids[glyph_code] = charset->sids[k]; 1116ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org } 1117ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org } 1118ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org } 1119ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org 11200c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org /* simple check; one never knows what can be found in a font */ 1121ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org if ( encoding->count > 256 ) 1122ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org encoding->count = 256; 1123ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org } 11248bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org break; 11258bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org 112637abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com default: 112737abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com FT_ERROR(( "cff_encoding_load: invalid table format!\n" )); 112837abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com error = CFF_Err_Invalid_File_Format; 112937abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com goto Exit; 113037abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com } 113137abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com 113237abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com /* Parse supplemental encodings, if any. */ 1133ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org if ( encoding->format & 0x80 ) 1134a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org { 1135a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org FT_UInt gindex; 1136a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 113737abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com 113837abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com /* count supplements */ 1139245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org if ( FT_READ_BYTE( count ) ) 1140245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org goto Exit; 11410c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 11428bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org for ( j = 0; j < count; j++ ) 114337abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com { 114437abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com /* Read supplemental glyph code. */ 114537abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com if ( FT_READ_BYTE( glyph_code ) ) 114637abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com goto Exit; 114737abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com 114837abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com /* Read the SID associated with this glyph code. */ 114937abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com if ( FT_READ_USHORT( glyph_sid ) ) 115037abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com goto Exit; 115137abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com 115237abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com /* Assign code to SID mapping. */ 115337abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com encoding->sids[glyph_code] = glyph_sid; 115437abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com 115537abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com /* First, look up GID which has been assigned to */ 115637abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com /* SID glyph_sid. */ 115737abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com for ( gindex = 0; gindex < num_glyphs; gindex++ ) 115837abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com { 11598bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org if ( charset->sids[gindex] == glyph_sid ) 11608bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org { 11618bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org encoding->codes[glyph_code] = (FT_UShort)gindex; 11628bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org break; 11638bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org } 11643291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org } 11653291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org } 11663291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org } 11673291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org } 11683291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org else 11693291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org { 11703291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org /* We take into account the fact a CFF font can use a predefined */ 11713291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org /* encoding without containing all of the glyphs encoded by this */ 11723291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org /* encoding (see the note at the end of section 12 in the CFF */ 11733291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org /* specification). */ 11748bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org 1175245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org switch ( (FT_UInt)offset ) 1176245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org { 1177245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org case 0: 1178245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org /* First, copy the code to SID mapping. */ 1179245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org FT_ARRAY_COPY( encoding->sids, cff_standard_encoding, 256 ); 1180245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org goto Populate; 11818bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org 11828bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org case 1: 11838bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org /* First, copy the code to SID mapping. */ 11848bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org FT_ARRAY_COPY( encoding->sids, cff_expert_encoding, 256 ); 11858bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org 11863291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org Populate: 11878bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org /* Construct code to GID mapping from code to SID mapping */ 11888bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org /* and charset. */ 11898bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org 11908bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org encoding->count = 0; 11918bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org 11928bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org error = cff_charset_compute_cids( charset, num_glyphs, 11933291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org stream->memory ); 11948bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org if ( error ) 11958bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org goto Exit; 1196ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org 11978bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org for ( j = 0; j < 256; j++ ) 1198ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org { 11998bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org FT_UInt sid = encoding->sids[j]; 1200ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org FT_UInt gid = 0; 1201ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org 12028bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org 1203ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org if ( sid ) 12048bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org gid = cff_charset_cid_to_gindex( charset, sid ); 12058bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org 1206ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org if ( gid != 0 ) 12078bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org { 12088bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org encoding->codes[j] = (FT_UShort)gid; 12098bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org 1210ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org if ( encoding->count < j + 1 ) 12118bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org encoding->count = j + 1; 12128bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org } 12138bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org else 12148bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org { 12158bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org encoding->codes[j] = 0; 12168bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org encoding->sids [j] = 0; 12178bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org } 12188bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org } 12198bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org break; 12203291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org 12213291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org default: 12223291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org FT_ERROR(( "cff_encoding_load: invalid table format!\n" )); 12233291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org error = CFF_Err_Invalid_File_Format; 12243291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org goto Exit; 12253291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org } 12263291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org } 12273291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org 12283291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org Exit: 12293291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org 1230ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org /* Clean up if there was an error. */ 12318bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org return error; 12328bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org } 12338bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org 12348bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org 12358bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org static FT_Error 12363291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org cff_subfont_load( CFF_SubFont font, 12378bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org CFF_Index idx, 12388bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org FT_UInt font_index, 12398bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org FT_Stream stream, 12408bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org FT_ULong base_offset ) 124137abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com { 124237abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com FT_Error error; 1243245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org CFF_ParserRec parser; 1244381abbb58260f2fc7d346d0e2f83d0f132a4c14bager@chromium.org FT_Byte* dict = NULL; 1245245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org FT_ULong dict_len; 1246245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org CFF_FontRecDict top = &font->font_dict; 12473291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org CFF_Private priv = &font->private_dict; 12483291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org 12493291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org 12503291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org cff_parser_init( &parser, CFF_CODE_TOPDICT, &font->font_dict ); 1251ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org 12528bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org /* set defaults */ 12538bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org FT_MEM_ZERO( top, sizeof ( *top ) ); 12543291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org 12553291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org top->underline_position = -100L << 16; 12563291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org top->underline_thickness = 50L << 16; 12573291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org top->charstring_type = 2; 12583291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org top->font_matrix.xx = 0x10000L; 12593291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org top->font_matrix.yy = 0x10000L; 12603291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org top->cid_count = 8720; 12613291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org 12623291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org /* we use the implementation specific SID value 0xFFFF to indicate */ 12633291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org /* missing entries */ 12648bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org top->version = 0xFFFFU; 126537abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com top->notice = 0xFFFFU; 126637abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com top->copyright = 0xFFFFU; 126737abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com top->full_name = 0xFFFFU; 126837abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com top->family_name = 0xFFFFU; 126937abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com top->weight = 0xFFFFU; 1270245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org top->embedded_postscript = 0xFFFFU; 1271245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org 12728bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org top->cid_registry = 0xFFFFU; 1273245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org top->cid_ordering = 0xFFFFU; 1274245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org top->cid_font_name = 0xFFFFU; 12758bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org 12768bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org error = cff_index_access_element( idx, font_index, &dict, &dict_len ); 12778bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org if ( !error ) 127837abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com error = cff_parser_run( &parser, dict, dict + dict_len ); 127937abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com 1280381abbb58260f2fc7d346d0e2f83d0f132a4c14bager@chromium.org cff_index_forget_element( idx, &dict ); 128137abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com 128237abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com if ( error ) 12833291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org goto Exit; 12843291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org 12853291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org /* if it is a CID font, we stop there */ 12863291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org if ( top->cid_registry != 0xFFFFU ) 12873291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org goto Exit; 12883291210ab99f306b74430ebbc4b7d939629e699fager@chromium.org 12898bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org /* parse the private dictionary, if any */ 12908bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org if ( top->private_offset && top->private_size ) 12918bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org { 12928bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org /* set defaults */ 12938bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org FT_MEM_ZERO( priv, sizeof ( *priv ) ); 12948bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org 12958bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org priv->blue_shift = 7; 12968bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org priv->blue_fuzz = 1; 12970c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org priv->lenIV = -1; 129837abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com priv->expansion_factor = (FT_Fixed)( 0.06 * 0x10000L ); 1299381abbb58260f2fc7d346d0e2f83d0f132a4c14bager@chromium.org priv->blue_scale = (FT_Fixed)( 0.039625 * 0x10000L * 1000 ); 130037abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com 130137abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com cff_parser_init( &parser, CFF_CODE_PRIVATE, priv ); 130237abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com 1303ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org if ( FT_STREAM_SEEK( base_offset + font->font_dict.private_offset ) || 1304ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org FT_FRAME_ENTER( font->font_dict.private_size ) ) 13058bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org goto Exit; 13068bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org 13078bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org error = cff_parser_run( &parser, 13088bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org (FT_Byte*)stream->cursor, 1309ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org (FT_Byte*)stream->limit ); 1310ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org FT_FRAME_EXIT(); 1311ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org if ( error ) 13128bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org goto Exit; 13138bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org 1314ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org /* ensure that `num_blue_values' is even */ 1315ddb913d619a6e602f53dd17b0fe71158ce66888dager@chromium.org priv->num_blue_values &= ~1; 13168bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org } 13178bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org 13188bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org /* read the local subrs, if any */ 13198bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org if ( priv->local_subrs_offset ) 13208bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org { 132137abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com if ( FT_STREAM_SEEK( base_offset + top->private_offset + 132237abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com priv->local_subrs_offset ) ) 132337abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com goto Exit; 1324381abbb58260f2fc7d346d0e2f83d0f132a4c14bager@chromium.org 1325245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org error = cff_index_init( &font->local_subrs_index, stream, 1 ); 13268bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org if ( error ) 132737abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com goto Exit; 132837abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com 1329a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org font->num_local_subrs = font->local_subrs_index.count; 1330a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org error = cff_index_get_pointers( &font->local_subrs_index, 1331a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org &font->local_subrs ); 1332a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( error ) 1333a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org goto Exit; 1334a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org } 1335a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 133637abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com Exit: 1337a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org return error; 1338a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org } 1339a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 1340a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 1341a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org static void 1342a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org cff_subfont_done( FT_Memory memory, 1343a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org CFF_SubFont subfont ) 1344a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 1345a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( subfont ) 1346a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 1347a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org cff_index_done( &subfont->local_subrs_index ); 1348a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_FREE( subfont->local_subrs ); 1349a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org } 1350a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org } 1351a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 1352a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 1353a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_LOCAL_DEF( FT_Error ) 1354a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org cff_font_load( FT_Stream stream, 1355a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_Int face_index, 1356a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org CFF_Font font ) 1357a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 1358a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org static const FT_Frame_Field cff_header_fields[] = 1359a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 1360a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org#undef FT_STRUCTURE 1361a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org#define FT_STRUCTURE CFF_FontRec 1362a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 1363a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_FRAME_START( 4 ), 1364a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_FRAME_BYTE( version_major ), 1365a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_FRAME_BYTE( version_minor ), 13665ec4892aef9cca42940d7d92302abf674365f6b7ager@chromium.org FT_FRAME_BYTE( header_size ), 1367a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_FRAME_BYTE( absolute_offsize ), 1368a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_FRAME_END 1369a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org }; 1370a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 1371a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_Error error; 13728bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org FT_Memory memory = stream->memory; 13738bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org FT_ULong base_offset; 13748bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org CFF_FontRecDict dict; 13758bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org 13768bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org 13778bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org FT_ZERO( font ); 13788bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org 13798bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org font->stream = stream; 13808bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org font->memory = memory; 13818bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org dict = &font->top_font.font_dict; 13828bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org base_offset = FT_STREAM_POS(); 13838bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org 138437abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com /* read CFF font header */ 1385a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( FT_STREAM_READ_FIELDS( cff_header_fields, font ) ) 138638e4c715e3a3df4ef11ccd3b86525be8f686ecb5ager@chromium.org goto Exit; 138738e4c715e3a3df4ef11ccd3b86525be8f686ecb5ager@chromium.org 138838e4c715e3a3df4ef11ccd3b86525be8f686ecb5ager@chromium.org /* check format */ 138938e4c715e3a3df4ef11ccd3b86525be8f686ecb5ager@chromium.org if ( font->version_major != 1 || 1390a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org font->header_size < 4 || 1391a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org font->absolute_offsize > 4 ) 1392a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org { 1393a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_TRACE2(( "[not a CFF font header!]\n" )); 1394a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org error = CFF_Err_Unknown_File_Format; 1395a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org goto Exit; 139637abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com } 1397a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 1398755c5b1cc880bc54405d2652f934a941e8fcda4asgjesse@chromium.org /* skip the rest of the header */ 1399755c5b1cc880bc54405d2652f934a941e8fcda4asgjesse@chromium.org if ( FT_STREAM_SKIP( font->header_size - 4 ) ) 1400755c5b1cc880bc54405d2652f934a941e8fcda4asgjesse@chromium.org goto Exit; 1401755c5b1cc880bc54405d2652f934a941e8fcda4asgjesse@chromium.org 1402755c5b1cc880bc54405d2652f934a941e8fcda4asgjesse@chromium.org /* read the name, top dict, string and global subrs index */ 1403755c5b1cc880bc54405d2652f934a941e8fcda4asgjesse@chromium.org if ( FT_SET_ERROR( cff_index_init( &font->name_index, 1404755c5b1cc880bc54405d2652f934a941e8fcda4asgjesse@chromium.org stream, 0 ) ) || 1405755c5b1cc880bc54405d2652f934a941e8fcda4asgjesse@chromium.org FT_SET_ERROR( cff_index_init( &font->font_dict_index, 1406a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org stream, 0 ) ) || 1407a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org FT_SET_ERROR( cff_index_init( &font->string_index, 140838e4c715e3a3df4ef11ccd3b86525be8f686ecb5ager@chromium.org stream, 0 ) ) || 1409755c5b1cc880bc54405d2652f934a941e8fcda4asgjesse@chromium.org FT_SET_ERROR( cff_index_init( &font->global_subrs_index, 1410a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org stream, 1 ) ) ) 141137abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com goto Exit; 1412a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 1413a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* well, we don't really forget the `disabled' fonts... */ 1414a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org font->num_faces = font->name_index.count; 14158bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org if ( face_index >= (FT_Int)font->num_faces ) 14168bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org { 14178bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org FT_ERROR(( "cff_font_load: incorrect face index = %d\n", 14188bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org face_index )); 141937abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com error = CFF_Err_Invalid_Argument; 1420245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org } 14218bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org 1422a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* in case of a font format check, simply exit now */ 14238bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org if ( face_index < 0 ) 142437abdec9cad6edeba05b5c7a9ff73c25f5df2b70christian.plesner.hansen@gmail.com goto Exit; 1425245aa859d34fd516161c48ef4c69d38d9b889284iposva@chromium.org 1426a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org /* now, parse the top-level font dictionary */ 1427a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org error = cff_subfont_load( &font->top_font, 1428a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org &font->font_dict_index, 1429a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org face_index, 1430a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org stream, 1431a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org base_offset ); 1432a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( error ) 14337be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org goto Exit; 14347be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 14357be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org if ( FT_STREAM_SEEK( base_offset + dict->charstrings_offset ) ) 1436ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org goto Exit; 14377be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 14387be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org error = cff_index_init( &font->charstrings_index, stream, 0 ); 14397be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org if ( error ) 14407be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org goto Exit; 14417be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 14427be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org /* now, check for a CID font */ 14437be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org if ( dict->cid_registry != 0xFFFFU ) 14447be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org { 14457be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org CFF_IndexRec fd_index; 14467be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org CFF_SubFont sub; 14477be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org FT_UInt idx; 14487be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 14497be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org 14507be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org /* this is a CID-keyed font, we must now allocate a table of */ 14517be3c996bea370e151c9fe4ecf7f779cdc5f87adkasperl@chromium.org /* sub-fonts, then load each of them separately */ 14528bb60585bafbf81564e6b30fcf18c82615a76f95ager@chromium.org if ( FT_STREAM_SEEK( base_offset + dict->cid_fd_array_offset ) ) 1453a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org goto Exit; 1454a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org 1455a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org error = cff_index_init( &fd_index, stream, 0 ); 1456a74f0daeb278665869b4b6a3bc2739e88fed93b1ager@chromium.org if ( error ) 14570c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org goto Exit; 14580c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 145944bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org if ( fd_index.count > CFF_MAX_CID_FONTS ) 14600c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org { 1461ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org FT_ERROR(( "cff_font_load: FD array too large in CID font\n" )); 14620c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org goto Fail_CID; 14630c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org } 1464ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org 14650c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org /* allocate & read each font dict independently */ 14660c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org font->num_subfonts = fd_index.count; 14670c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org if ( FT_NEW_ARRAY( sub, fd_index.count ) ) 1468ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org goto Fail_CID; 14690c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 14700c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org /* set up pointer table */ 14710c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org for ( idx = 0; idx < fd_index.count; idx++ ) 14720c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org font->subfonts[idx] = sub + idx; 14730c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 14740c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org /* now load each subfont independently */ 14750c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org for ( idx = 0; idx < fd_index.count; idx++ ) 14760c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org { 14770c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org sub = font->subfonts[idx]; 14780c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org error = cff_subfont_load( sub, &fd_index, idx, 1479ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org stream, base_offset ); 1480ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org if ( error ) 14810c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org goto Fail_CID; 14820c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org } 14830c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 14840c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org /* now load the FD Select array */ 14850c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org error = CFF_Load_FD_Select( &font->fd_select, 14860c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org font->charstrings_index.count, 14870c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org stream, 14880c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org base_offset + dict->cid_fd_select_offset ); 14890c20e676f8a0209982ff89e5a9c707771748a585fschneider@chromium.org 149043d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen Fail_CID: 149143d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen cff_index_done( &fd_index ); 149243d26ecc3563a46f62a0224030667c8f8f3f6cebchristian.plesner.hansen 1493 if ( error ) 1494 goto Exit; 1495 } 1496 else 1497 font->num_subfonts = 0; 1498 1499 /* read the charstrings index now */ 1500 if ( dict->charstrings_offset == 0 ) 1501 { 1502 FT_ERROR(( "cff_font_load: no charstrings offset!\n" )); 1503 error = CFF_Err_Unknown_File_Format; 1504 goto Exit; 1505 } 1506 1507 /* explicit the global subrs */ 1508 font->num_global_subrs = font->global_subrs_index.count; 1509 font->num_glyphs = font->charstrings_index.count; 1510 1511 error = cff_index_get_pointers( &font->global_subrs_index, 1512 &font->global_subrs ) ; 1513 1514 if ( error ) 1515 goto Exit; 1516 1517 /* read the Charset and Encoding tables if available */ 1518 if ( font->num_glyphs > 0 ) 1519 { 1520 FT_Bool invert = FT_BOOL( dict->cid_registry != 0xFFFFU ); 1521 1522 1523 error = cff_charset_load( &font->charset, font->num_glyphs, stream, 1524 base_offset, dict->charset_offset, invert ); 1525 if ( error ) 1526 goto Exit; 1527 1528 /* CID-keyed CFFs don't have an encoding */ 1529 if ( dict->cid_registry == 0xFFFFU ) 1530 { 1531 error = cff_encoding_load( &font->encoding, 1532 &font->charset, 1533 font->num_glyphs, 1534 stream, 1535 base_offset, 1536 dict->encoding_offset ); 1537 if ( error ) 1538 goto Exit; 1539 } 1540 else 1541 /* CID-keyed fonts only need CIDs */ 1542 FT_FREE( font->charset.sids ); 1543 } 1544 1545 /* get the font name (/CIDFontName for CID-keyed fonts, */ 1546 /* /FontName otherwise) */ 1547 font->font_name = cff_index_get_name( &font->name_index, face_index ); 1548 1549 Exit: 1550 return error; 1551 } 1552 1553 1554 FT_LOCAL_DEF( void ) 1555 cff_font_done( CFF_Font font ) 1556 { 1557 FT_Memory memory = font->memory; 1558 FT_UInt idx; 1559 1560 1561 cff_index_done( &font->global_subrs_index ); 1562 cff_index_done( &font->string_index ); 1563 cff_index_done( &font->font_dict_index ); 1564 cff_index_done( &font->name_index ); 1565 cff_index_done( &font->charstrings_index ); 1566 1567 /* release font dictionaries, but only if working with */ 1568 /* a CID keyed CFF font */ 1569 if ( font->num_subfonts > 0 ) 1570 { 1571 for ( idx = 0; idx < font->num_subfonts; idx++ ) 1572 cff_subfont_done( memory, font->subfonts[idx] ); 1573 1574 /* the subfonts array has been allocated as a single block */ 1575 FT_FREE( font->subfonts[0] ); 1576 } 1577 1578 cff_encoding_done( &font->encoding ); 1579 cff_charset_done( &font->charset, font->stream ); 1580 1581 cff_subfont_done( memory, &font->top_font ); 1582 1583 CFF_Done_FD_Select( &font->fd_select, font->stream ); 1584 1585 if (font->font_info != NULL) 1586 { 1587 FT_FREE( font->font_info->version ); 1588 FT_FREE( font->font_info->notice ); 1589 FT_FREE( font->font_info->full_name ); 1590 FT_FREE( font->font_info->family_name ); 1591 FT_FREE( font->font_info->weight ); 1592 FT_FREE( font->font_info ); 1593 } 1594 1595 FT_FREE( font->registry ); 1596 FT_FREE( font->ordering ); 1597 1598 FT_FREE( font->global_subrs ); 1599 FT_FREE( font->font_name ); 1600 } 1601 1602 1603/* END */ 1604