1049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/***************************************************************************/ 2049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* */ 3049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* cffload.c */ 4049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* */ 5049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* OpenType and CFF data/program tables loader (body). */ 6049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* */ 79c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod/* Copyright 1996-2014 by */ 8049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* David Turner, Robert Wilhelm, and Werner Lemberg. */ 9049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* */ 10049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* This file is part of the FreeType project, and may only be used, */ 11049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* modified, and distributed under the terms of the FreeType project */ 12049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* license, LICENSE.TXT. By continuing to use, modify, or distribute */ 13049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* this file you indicate that you have read the license and */ 14049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* understand and accept it fully. */ 15049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* */ 16049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/***************************************************************************/ 17049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 18049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 19049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include <ft2build.h> 20049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include FT_INTERNAL_DEBUG_H 21049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include FT_INTERNAL_OBJECTS_H 22049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include FT_INTERNAL_STREAM_H 23049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include FT_TRUETYPE_TAGS_H 24049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include FT_TYPE1_TABLES_H 25049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 26049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include "cffload.h" 27049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include "cffparse.h" 28049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 29049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#include "cfferrs.h" 30049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 31049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 32049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#if 1 3377f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner 34049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static const FT_UShort cff_isoadobe_charset[229] = 35049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 36049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 0, 1, 2, 3, 4, 5, 6, 7, 37049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 8, 9, 10, 11, 12, 13, 14, 15, 38049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 16, 17, 18, 19, 20, 21, 22, 23, 39049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 24, 25, 26, 27, 28, 29, 30, 31, 40049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 32, 33, 34, 35, 36, 37, 38, 39, 41049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 40, 41, 42, 43, 44, 45, 46, 47, 42049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 48, 49, 50, 51, 52, 53, 54, 55, 43049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 56, 57, 58, 59, 60, 61, 62, 63, 44049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 64, 65, 66, 67, 68, 69, 70, 71, 45049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 72, 73, 74, 75, 76, 77, 78, 79, 46049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 80, 81, 82, 83, 84, 85, 86, 87, 47049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 88, 89, 90, 91, 92, 93, 94, 95, 48049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 96, 97, 98, 99, 100, 101, 102, 103, 49049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 104, 105, 106, 107, 108, 109, 110, 111, 50049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 112, 113, 114, 115, 116, 117, 118, 119, 51049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 120, 121, 122, 123, 124, 125, 126, 127, 52049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 128, 129, 130, 131, 132, 133, 134, 135, 53049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 136, 137, 138, 139, 140, 141, 142, 143, 54049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 144, 145, 146, 147, 148, 149, 150, 151, 55049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 152, 153, 154, 155, 156, 157, 158, 159, 56049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 160, 161, 162, 163, 164, 165, 166, 167, 57049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 168, 169, 170, 171, 172, 173, 174, 175, 58049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 176, 177, 178, 179, 180, 181, 182, 183, 59049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 184, 185, 186, 187, 188, 189, 190, 191, 60049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 192, 193, 194, 195, 196, 197, 198, 199, 61049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 200, 201, 202, 203, 204, 205, 206, 207, 62049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 208, 209, 210, 211, 212, 213, 214, 215, 63049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 216, 217, 218, 219, 220, 221, 222, 223, 64049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 224, 225, 226, 227, 228 65049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }; 66049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 67049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static const FT_UShort cff_expert_charset[166] = 68049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 69049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 0, 1, 229, 230, 231, 232, 233, 234, 70049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 235, 236, 237, 238, 13, 14, 15, 99, 71049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 239, 240, 241, 242, 243, 244, 245, 246, 72049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 247, 248, 27, 28, 249, 250, 251, 252, 73049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 253, 254, 255, 256, 257, 258, 259, 260, 74049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 261, 262, 263, 264, 265, 266, 109, 110, 75049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 267, 268, 269, 270, 271, 272, 273, 274, 76049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 275, 276, 277, 278, 279, 280, 281, 282, 77049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 283, 284, 285, 286, 287, 288, 289, 290, 78049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 291, 292, 293, 294, 295, 296, 297, 298, 79049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 299, 300, 301, 302, 303, 304, 305, 306, 80049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 307, 308, 309, 310, 311, 312, 313, 314, 81049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 315, 316, 317, 318, 158, 155, 163, 319, 82049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 320, 321, 322, 323, 324, 325, 326, 150, 83049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 164, 169, 327, 328, 329, 330, 331, 332, 84049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 333, 334, 335, 336, 337, 338, 339, 340, 85049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 341, 342, 343, 344, 345, 346, 347, 348, 86049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 349, 350, 351, 352, 353, 354, 355, 356, 87049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 357, 358, 359, 360, 361, 362, 363, 364, 88049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 365, 366, 367, 368, 369, 370, 371, 372, 89049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 373, 374, 375, 376, 377, 378 90049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }; 91049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 92049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static const FT_UShort cff_expertsubset_charset[87] = 93049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 94049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 0, 1, 231, 232, 235, 236, 237, 238, 95049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 13, 14, 15, 99, 239, 240, 241, 242, 96049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 243, 244, 245, 246, 247, 248, 27, 28, 97049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 249, 250, 251, 253, 254, 255, 256, 257, 98049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 258, 259, 260, 261, 262, 263, 264, 265, 99049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 266, 109, 110, 267, 268, 269, 270, 272, 100049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 300, 301, 302, 305, 314, 315, 158, 155, 101049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 163, 320, 321, 322, 323, 324, 325, 326, 102049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 150, 164, 169, 327, 328, 329, 330, 331, 103049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 332, 333, 334, 335, 336, 337, 338, 339, 104049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 340, 341, 342, 343, 344, 345, 346 105049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }; 106049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 107049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static const FT_UShort cff_standard_encoding[256] = 108049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 109049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 0, 0, 0, 0, 0, 0, 0, 0, 110049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 0, 0, 0, 0, 0, 0, 0, 0, 111049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 0, 0, 0, 0, 0, 0, 0, 0, 112049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 0, 0, 0, 0, 0, 0, 0, 0, 113049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1, 2, 3, 4, 5, 6, 7, 8, 114049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 9, 10, 11, 12, 13, 14, 15, 16, 115049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 17, 18, 19, 20, 21, 22, 23, 24, 116049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 25, 26, 27, 28, 29, 30, 31, 32, 117049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 33, 34, 35, 36, 37, 38, 39, 40, 118049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 41, 42, 43, 44, 45, 46, 47, 48, 119049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 49, 50, 51, 52, 53, 54, 55, 56, 120049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 57, 58, 59, 60, 61, 62, 63, 64, 121049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 65, 66, 67, 68, 69, 70, 71, 72, 122049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 73, 74, 75, 76, 77, 78, 79, 80, 123049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 81, 82, 83, 84, 85, 86, 87, 88, 124049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 89, 90, 91, 92, 93, 94, 95, 0, 125049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 0, 0, 0, 0, 0, 0, 0, 0, 126049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 0, 0, 0, 0, 0, 0, 0, 0, 127049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 0, 0, 0, 0, 0, 0, 0, 0, 128049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 0, 0, 0, 0, 0, 0, 0, 0, 129049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 0, 96, 97, 98, 99, 100, 101, 102, 130049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 103, 104, 105, 106, 107, 108, 109, 110, 131049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 0, 111, 112, 113, 114, 0, 115, 116, 132049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 117, 118, 119, 120, 121, 122, 0, 123, 133049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 0, 124, 125, 126, 127, 128, 129, 130, 134049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 131, 0, 132, 133, 0, 134, 135, 136, 135049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 137, 0, 0, 0, 0, 0, 0, 0, 136049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 0, 0, 0, 0, 0, 0, 0, 0, 137049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 0, 138, 0, 139, 0, 0, 0, 0, 138049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 140, 141, 142, 143, 0, 0, 0, 0, 139049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 0, 144, 0, 0, 0, 145, 0, 0, 140049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 146, 147, 148, 149, 0, 0, 0, 0 141049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }; 142049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 143049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static const FT_UShort cff_expert_encoding[256] = 144049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 145049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 0, 0, 0, 0, 0, 0, 0, 0, 146049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 0, 0, 0, 0, 0, 0, 0, 0, 147049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 0, 0, 0, 0, 0, 0, 0, 0, 148049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 0, 0, 0, 0, 0, 0, 0, 0, 149049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1, 229, 230, 0, 231, 232, 233, 234, 150049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 235, 236, 237, 238, 13, 14, 15, 99, 151049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 239, 240, 241, 242, 243, 244, 245, 246, 152049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 247, 248, 27, 28, 249, 250, 251, 252, 153049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 0, 253, 254, 255, 256, 257, 0, 0, 154049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 0, 258, 0, 0, 259, 260, 261, 262, 155049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 0, 0, 263, 264, 265, 0, 266, 109, 156049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 110, 267, 268, 269, 0, 270, 271, 272, 157049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 273, 274, 275, 276, 277, 278, 279, 280, 158049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 281, 282, 283, 284, 285, 286, 287, 288, 159049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 289, 290, 291, 292, 293, 294, 295, 296, 160049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 297, 298, 299, 300, 301, 302, 303, 0, 161049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 0, 0, 0, 0, 0, 0, 0, 0, 162049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 0, 0, 0, 0, 0, 0, 0, 0, 163049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 0, 0, 0, 0, 0, 0, 0, 0, 164049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 0, 0, 0, 0, 0, 0, 0, 0, 165049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 0, 304, 305, 306, 0, 0, 307, 308, 166049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 309, 310, 311, 0, 312, 0, 0, 312, 167049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 0, 0, 314, 315, 0, 0, 316, 317, 168049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 318, 0, 0, 0, 158, 155, 163, 319, 169049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 320, 321, 322, 323, 324, 325, 0, 0, 170049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 326, 150, 164, 169, 327, 328, 329, 330, 171049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 331, 332, 333, 334, 335, 336, 337, 338, 172049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 339, 340, 341, 342, 343, 344, 345, 346, 173049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 347, 348, 349, 350, 351, 352, 353, 354, 174049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 355, 356, 357, 358, 359, 360, 361, 362, 175049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 363, 364, 365, 366, 367, 368, 369, 370, 176049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 371, 372, 373, 374, 375, 376, 377, 378 177049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }; 17877f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner 179049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#endif /* 1 */ 180049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 181049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 182049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_LOCAL_DEF( FT_UShort ) 183049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cff_get_standard_encoding( FT_UInt charcode ) 184049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 185049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return (FT_UShort)( charcode < 256 ? cff_standard_encoding[charcode] 186049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project : 0 ); 187049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 188049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 189049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 190049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 191049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 192049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ 193049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ 194049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* messages during execution. */ 195049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 196049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#undef FT_COMPONENT 197049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#define FT_COMPONENT trace_cffload 198049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 199049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 200049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* read an offset from the index's stream current position */ 201049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_ULong 202049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cff_index_read_offset( CFF_Index idx, 203049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Error *errorp ) 204049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 205049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Error error; 206049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Stream stream = idx->stream; 207049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte tmp[4]; 208049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong result = 0; 209049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 210049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 211049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !FT_STREAM_READ( tmp, idx->off_size ) ) 212049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 213049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int nn; 214049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 215049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 216049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( nn = 0; nn < idx->off_size; nn++ ) 217049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = ( result << 8 ) | tmp[nn]; 218049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 219049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 220049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *errorp = error; 221049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return result; 222049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 223049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 224049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 225049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_Error 226049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cff_index_init( CFF_Index idx, 227049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Stream stream, 228049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Bool load ) 229049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 230049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Error error; 231049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory = stream->memory; 232049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UShort count; 233049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 234049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 235049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_MEM_ZERO( idx, sizeof ( *idx ) ); 236049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 237049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx->stream = stream; 238049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx->start = FT_STREAM_POS(); 239049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !FT_READ_USHORT( count ) && 240049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project count > 0 ) 241049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 242049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte offsize; 243049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong size; 244049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 245049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 246049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* there is at least one element; read the offset size, */ 247049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* then access the offset table to compute the index's total size */ 248049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_READ_BYTE( offsize ) ) 249049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 250049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 251049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offsize < 1 || offsize > 4 ) 252049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 253727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease error = FT_THROW( Invalid_Table ); 254049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 255049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 256049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 257049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx->count = count; 258049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx->off_size = offsize; 259049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project size = (FT_ULong)( count + 1 ) * offsize; 260049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 261049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx->data_offset = idx->start + 3 + size; 262049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 263049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_STREAM_SKIP( size - offsize ) ) 264049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 265049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 266049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project size = cff_index_read_offset( idx, &error ); 267049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( error ) 268049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 269049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 270049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( size == 0 ) 271049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 272727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease error = FT_THROW( Invalid_Table ); 273049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 274049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 275049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 276049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project idx->data_size = --size; 277049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 278049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( load ) 279049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 280049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* load the data */ 281049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_FRAME_EXTRACT( size, idx->bytes ) ) 282049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 283049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 284049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 285049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 286049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* skip the data */ 287049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_STREAM_SKIP( size ) ) 288049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 289049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 290049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 291049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 292049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Exit: 293049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( error ) 294049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_FREE( idx->offsets ); 295049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 296049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return error; 297049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 298049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 299049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 300049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static void 301049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cff_index_done( CFF_Index idx ) 302049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 303049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx->stream ) 304049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 305049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Stream stream = idx->stream; 306049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory = stream->memory; 307049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 308049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 309049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx->bytes ) 310049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_FRAME_RELEASE( idx->bytes ); 311049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 312049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_FREE( idx->offsets ); 313049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_MEM_ZERO( idx, sizeof ( *idx ) ); 314049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 315049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 316049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 317049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 318049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_Error 319049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cff_index_load_offsets( CFF_Index idx ) 320049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 321727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_Error error = FT_Err_Ok; 322049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Stream stream = idx->stream; 323049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory = stream->memory; 324049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 325049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 326049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx->count > 0 && idx->offsets == NULL ) 327049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 328049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte offsize = idx->off_size; 329049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong data_size; 330049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p; 331049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p_end; 332049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong* poff; 333049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 334049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 335049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project data_size = (FT_ULong)( idx->count + 1 ) * offsize; 336049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 337049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_NEW_ARRAY( idx->offsets, idx->count + 1 ) || 338049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_STREAM_SEEK( idx->start + 3 ) || 339049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_FRAME_ENTER( data_size ) ) 340049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 341049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 342049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project poff = idx->offsets; 343049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = (FT_Byte*)stream->cursor; 344049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p_end = p + data_size; 345049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 346049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project switch ( offsize ) 347049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 348049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project case 1: 349049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; p < p_end; p++, poff++ ) 350049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project poff[0] = p[0]; 351049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 352049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 353049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project case 2: 354049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; p < p_end; p += 2, poff++ ) 355049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project poff[0] = FT_PEEK_USHORT( p ); 356049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 357049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 358049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project case 3: 359049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; p < p_end; p += 3, poff++ ) 360049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project poff[0] = FT_PEEK_OFF3( p ); 361049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 362049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 363049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project default: 364049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( ; p < p_end; p += 4, poff++ ) 365049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project poff[0] = FT_PEEK_ULONG( p ); 366049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 367049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 368049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_FRAME_EXIT(); 369049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 370049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 371049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Exit: 372049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( error ) 373049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_FREE( idx->offsets ); 374049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 375049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return error; 376049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 377049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 378049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 379aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich /* Allocate a table containing pointers to an index's elements. */ 380aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich /* The `pool' argument makes this function convert the index */ 381aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich /* entries to C-style strings (this is, NULL-terminated). */ 382049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_Error 383049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cff_index_get_pointers( CFF_Index idx, 384aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich FT_Byte*** table, 385aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich FT_Byte** pool ) 386049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 387727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_Error error = FT_Err_Ok; 388aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich FT_Memory memory = idx->stream->memory; 389727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease 390727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_Byte** t = NULL; 391aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich FT_Byte* new_bytes = NULL; 392049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 393049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 394aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich *table = NULL; 395049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 396049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx->offsets == NULL ) 397049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 398049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project error = cff_index_load_offsets( idx ); 399049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( error ) 400049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 401049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 402049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 403aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich if ( idx->count > 0 && 404aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich !FT_NEW_ARRAY( t, idx->count + 1 ) && 405aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich ( !pool || !FT_ALLOC( new_bytes, 406aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich idx->data_size + idx->count ) ) ) 407049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 408aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich FT_ULong n, cur_offset; 409aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich FT_ULong extra = 0; 410aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich FT_Byte* org_bytes = idx->bytes; 411aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich 412aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich 413aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich /* at this point, `idx->offsets' can't be NULL */ 414aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich cur_offset = idx->offsets[0] - 1; 415aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich 416aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich /* sanity check */ 417ec0bab5697bb31ba980810145f62e3799946ec60Victoria Lease if ( cur_offset != 0 ) 418049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 419aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich FT_TRACE0(( "cff_index_get_pointers:" 420aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich " invalid first offset value %d set to zero\n", 421aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich cur_offset )); 422aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich cur_offset = 0; 423aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich } 424049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 425aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich if ( !pool ) 426aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich t[0] = org_bytes + cur_offset; 427aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich else 428aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich t[0] = new_bytes + cur_offset; 429aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich 430aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich for ( n = 1; n <= idx->count; n++ ) 431aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich { 432aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich FT_ULong next_offset = idx->offsets[n] - 1; 433049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 434049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 435ec0bab5697bb31ba980810145f62e3799946ec60Victoria Lease /* two sanity checks for invalid offset tables */ 436ec0bab5697bb31ba980810145f62e3799946ec60Victoria Lease if ( next_offset < cur_offset ) 437aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich next_offset = cur_offset; 438ec0bab5697bb31ba980810145f62e3799946ec60Victoria Lease else if ( next_offset > idx->data_size ) 439ec0bab5697bb31ba980810145f62e3799946ec60Victoria Lease next_offset = idx->data_size; 440049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 441aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich if ( !pool ) 442aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich t[n] = org_bytes + next_offset; 443aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich else 444aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich { 445aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich t[n] = new_bytes + next_offset + extra; 446aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich 447aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich if ( next_offset != cur_offset ) 448aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich { 449aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich FT_MEM_COPY( t[n - 1], org_bytes + cur_offset, t[n] - t[n - 1] ); 450aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich t[n][0] = '\0'; 451aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich t[n] += 1; 452aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich extra++; 453aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich } 454aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich } 455aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich 456aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich cur_offset = next_offset; 457049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 458049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *table = t; 459aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich 460aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich if ( pool ) 461aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich *pool = new_bytes; 462049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 463049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 464049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Exit: 465049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return error; 466049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 467049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 468049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 469049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_LOCAL_DEF( FT_Error ) 470049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cff_index_access_element( CFF_Index idx, 471049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt element, 472049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte** pbytes, 473049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong* pbyte_len ) 474049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 475727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_Error error = FT_Err_Ok; 476049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 477049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 478049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx && idx->count > element ) 479049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 480049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* compute start and end offsets */ 481049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Stream stream = idx->stream; 482049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong off1, off2 = 0; 483049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 484049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 485049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* load offsets from file or the offset table */ 486049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !idx->offsets ) 487049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 488049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong pos = element * idx->off_size; 489049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 490049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 491049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_STREAM_SEEK( idx->start + 3 + pos ) ) 492049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 493049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 494049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project off1 = cff_index_read_offset( idx, &error ); 495049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( error ) 496049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 497049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 498049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( off1 != 0 ) 499049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 500049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project do 501049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 502049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project element++; 503049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project off2 = cff_index_read_offset( idx, &error ); 504049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 505049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( off2 == 0 && element < idx->count ); 506049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 507049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 508049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else /* use offsets table */ 509049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 510049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project off1 = idx->offsets[element]; 511049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( off1 ) 512049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 513049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project do 514049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 515049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project element++; 516049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project off2 = idx->offsets[element]; 517049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 518049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } while ( off2 == 0 && element < idx->count ); 519049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 520049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 521049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 5227f08cbd7d6dcf19b8d8e4328e33032aee342e3b4David 'Digit' Turner /* XXX: should check off2 does not exceed the end of this entry; */ 5237f08cbd7d6dcf19b8d8e4328e33032aee342e3b4David 'Digit' Turner /* at present, only truncate off2 at the end of this stream */ 5247f08cbd7d6dcf19b8d8e4328e33032aee342e3b4David 'Digit' Turner if ( off2 > stream->size + 1 || 5257f08cbd7d6dcf19b8d8e4328e33032aee342e3b4David 'Digit' Turner idx->data_offset > stream->size - off2 + 1 ) 5267f08cbd7d6dcf19b8d8e4328e33032aee342e3b4David 'Digit' Turner { 5277f08cbd7d6dcf19b8d8e4328e33032aee342e3b4David 'Digit' Turner FT_ERROR(( "cff_index_access_element:" 5287f08cbd7d6dcf19b8d8e4328e33032aee342e3b4David 'Digit' Turner " offset to next entry (%d)" 5297f08cbd7d6dcf19b8d8e4328e33032aee342e3b4David 'Digit' Turner " exceeds the end of stream (%d)\n", 5307f08cbd7d6dcf19b8d8e4328e33032aee342e3b4David 'Digit' Turner off2, stream->size - idx->data_offset + 1 )); 5317f08cbd7d6dcf19b8d8e4328e33032aee342e3b4David 'Digit' Turner off2 = stream->size - idx->data_offset + 1; 5327f08cbd7d6dcf19b8d8e4328e33032aee342e3b4David 'Digit' Turner } 5337f08cbd7d6dcf19b8d8e4328e33032aee342e3b4David 'Digit' Turner 534049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* access element */ 535049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( off1 && off2 > off1 ) 536049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 537049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pbyte_len = off2 - off1; 538049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 539049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx->bytes ) 540049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 541049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* this index was completely loaded in memory, that's easy */ 542049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pbytes = idx->bytes + off1 - 1; 543049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 544049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 545049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 546049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* this index is still on disk/file, access it through a frame */ 547049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_STREAM_SEEK( idx->data_offset + off1 - 1 ) || 548049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_FRAME_EXTRACT( off2 - off1, *pbytes ) ) 549049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 550049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 551049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 552049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 553049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 554049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* empty index element */ 555049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pbytes = 0; 556049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project *pbyte_len = 0; 557049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 558049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 559049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 560727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease error = FT_THROW( Invalid_Argument ); 561049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 562049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Exit: 563049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return error; 564049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 565049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 566049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 567049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_LOCAL_DEF( void ) 568049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cff_index_forget_element( CFF_Index idx, 569049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte** pbytes ) 570049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 571049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( idx->bytes == 0 ) 572049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 573049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Stream stream = idx->stream; 574049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 575049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 576049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_FRAME_RELEASE( *pbytes ); 577049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 578049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 579049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 580049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 581aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich /* get an entry from Name INDEX */ 582049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_LOCAL_DEF( FT_String* ) 583aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich cff_index_get_name( CFF_Font font, 584aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich FT_UInt element ) 585049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 586aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich CFF_Index idx = &font->name_index; 587049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory = idx->stream->memory; 588049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* bytes; 589049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong byte_len; 590049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Error error; 591049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_String* name = 0; 592049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 593049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 594049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project error = cff_index_access_element( idx, element, &bytes, &byte_len ); 595049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( error ) 596049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 597049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 598049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !FT_ALLOC( name, byte_len + 1 ) ) 599049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 600049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_MEM_COPY( name, bytes, byte_len ); 601049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project name[byte_len] = 0; 602049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 603049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cff_index_forget_element( idx, &bytes ); 604049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 605049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Exit: 606049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return name; 607049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 608049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 609049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 610aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich /* get an entry from String INDEX */ 611049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_LOCAL_DEF( FT_String* ) 612aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich cff_index_get_string( CFF_Font font, 613aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich FT_UInt element ) 614aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich { 615aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich return ( element < font->num_strings ) 616aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich ? (FT_String*)font->strings[element] 617aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich : NULL; 618aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich } 619aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich 620aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich 621aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich FT_LOCAL_DEF( FT_String* ) 622aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich cff_index_get_sid_string( CFF_Font font, 623aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich FT_UInt sid ) 624049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 625049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* value 0xFFFFU indicates a missing dictionary entry */ 626049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( sid == 0xFFFFU ) 627aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich return NULL; 628049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 629049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* if it is not a standard string, return it */ 630049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( sid > 390 ) 631aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich return cff_index_get_string( font, sid - 391 ); 632049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 633049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* CID-keyed CFF fonts don't have glyph names */ 634aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich if ( !font->psnames ) 635aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich return NULL; 636049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 637aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich /* this is a standard string */ 638aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich return (FT_String *)font->psnames->adobe_std_strings( sid ); 639049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 640049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 641049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 642049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 643049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 644049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*** ***/ 645049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*** FD Select table support ***/ 646049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*** ***/ 647049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 648049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 649049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 650049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 651049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static void 652049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project CFF_Done_FD_Select( CFF_FDSelect fdselect, 653049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Stream stream ) 654049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 655049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( fdselect->data ) 656049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_FRAME_RELEASE( fdselect->data ); 657049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 658049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project fdselect->data_size = 0; 659049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project fdselect->format = 0; 660049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project fdselect->range_count = 0; 661049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 662049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 663049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 664049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_Error 665049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project CFF_Load_FD_Select( CFF_FDSelect fdselect, 666049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt num_glyphs, 667049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Stream stream, 668049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong offset ) 669049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 670049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Error error; 671049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte format; 672049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt num_ranges; 673049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 674049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 675049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* read format */ 676049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_STREAM_SEEK( offset ) || FT_READ_BYTE( format ) ) 677049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 678049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 679049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project fdselect->format = format; 680049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project fdselect->cache_count = 0; /* clear cache */ 681049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 682049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project switch ( format ) 683049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 684049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project case 0: /* format 0, that's simple */ 685049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project fdselect->data_size = num_glyphs; 686049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Load_Data; 687049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 688049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project case 3: /* format 3, a tad more complex */ 689049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_READ_USHORT( num_ranges ) ) 690049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 691049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 6929c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod if ( !num_ranges ) 6939c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod { 6949c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod FT_TRACE0(( "CFF_Load_FD_Select: empty FDSelect array\n" )); 6959c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod error = FT_THROW( Invalid_File_Format ); 6969c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod goto Exit; 6979c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod } 6989c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod 699049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project fdselect->data_size = num_ranges * 3 + 2; 700049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 701049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Load_Data: 702049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_FRAME_EXTRACT( fdselect->data_size, fdselect->data ) ) 703049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 704049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 705049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 706049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project default: /* hmm... that's wrong */ 707727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease error = FT_THROW( Invalid_File_Format ); 708049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 709049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 710049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Exit: 711049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return error; 712049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 713049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 714049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 715049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_LOCAL_DEF( FT_Byte ) 716049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cff_fd_select_get( CFF_FDSelect fdselect, 717049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt glyph_index ) 718049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 719049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte fd = 0; 720049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 721049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 722049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project switch ( fdselect->format ) 723049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 724049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project case 0: 725049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project fd = fdselect->data[glyph_index]; 726049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 727049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 728049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project case 3: 7299c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod /* first, compare to the cache */ 730049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( (FT_UInt)( glyph_index - fdselect->cache_first ) < 731049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project fdselect->cache_count ) 732049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 733049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project fd = fdselect->cache_fd; 734049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 735049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 736049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 7379c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod /* then, look up the ranges array */ 738049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 739049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p = fdselect->data; 740049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p_limit = p + fdselect->data_size; 741049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte fd2; 742049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt first, limit; 743049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 744049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 745049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project first = FT_NEXT_USHORT( p ); 746049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project do 747049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 748049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( glyph_index < first ) 749049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 750049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 751049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project fd2 = *p++; 752049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project limit = FT_NEXT_USHORT( p ); 753049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 754049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( glyph_index < limit ) 755049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 756049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project fd = fd2; 757049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 758049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* update cache */ 759049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project fdselect->cache_first = first; 7609c745321260bb728ab1cd1c8fd5f075854b2ad49Behdad Esfahbod fdselect->cache_count = limit - first; 761049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project fdselect->cache_fd = fd2; 762049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 763049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 764049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project first = limit; 765049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 766049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } while ( p < p_limit ); 767049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 768049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 769049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 770049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project default: 771049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project ; 772049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 773049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 774049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return fd; 775049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 776049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 777049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 778049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 779049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 780049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*** ***/ 781049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*** CFF font support ***/ 782049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*** ***/ 783049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 784049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /*************************************************************************/ 785049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 786049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_Error 787049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cff_charset_compute_cids( CFF_Charset charset, 788049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt num_glyphs, 789049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory ) 790049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 791727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_Error error = FT_Err_Ok; 792049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt i; 793295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_Long j; 794049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UShort max_cid = 0; 795049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 796049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 797049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( charset->max_cid > 0 ) 798049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 799049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 800049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( i = 0; i < num_glyphs; i++ ) 8017f08cbd7d6dcf19b8d8e4328e33032aee342e3b4David 'Digit' Turner { 802049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( charset->sids[i] > max_cid ) 803049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project max_cid = charset->sids[i]; 8047f08cbd7d6dcf19b8d8e4328e33032aee342e3b4David 'Digit' Turner } 805049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 8067f08cbd7d6dcf19b8d8e4328e33032aee342e3b4David 'Digit' Turner if ( FT_NEW_ARRAY( charset->cids, (FT_ULong)max_cid + 1 ) ) 807049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 808049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 809295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* When multiple GIDs map to the same CID, we choose the lowest */ 810295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* GID. This is not described in any spec, but it matches the */ 811295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* behaviour of recent Acroread versions. */ 812295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner for ( j = num_glyphs - 1; j >= 0 ; j-- ) 813295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner charset->cids[charset->sids[j]] = (FT_UShort)j; 814049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 815049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charset->max_cid = max_cid; 816049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charset->num_glyphs = num_glyphs; 817049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 818049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Exit: 819049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return error; 820049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 821049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 822049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 823049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_LOCAL_DEF( FT_UInt ) 824049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cff_charset_cid_to_gindex( CFF_Charset charset, 825049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt cid ) 826049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 827049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt result = 0; 828049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 829049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 8307f08cbd7d6dcf19b8d8e4328e33032aee342e3b4David 'Digit' Turner if ( cid <= charset->max_cid ) 831049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project result = charset->cids[cid]; 832049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 833049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return result; 834049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 835049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 836049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 837049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static void 838049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cff_charset_free_cids( CFF_Charset charset, 839049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory ) 840049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 841049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_FREE( charset->cids ); 842049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charset->max_cid = 0; 843049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 844049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 845049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 846049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static void 847049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cff_charset_done( CFF_Charset charset, 848049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Stream stream ) 849049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 850049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory = stream->memory; 851049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 852049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 853049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cff_charset_free_cids( charset, memory ); 854049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 855049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_FREE( charset->sids ); 856049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charset->format = 0; 857049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charset->offset = 0; 858049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 859049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 860049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 861049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_Error 862049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cff_charset_load( CFF_Charset charset, 863049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt num_glyphs, 864049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Stream stream, 865049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong base_offset, 866049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong offset, 867049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Bool invert ) 868049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 869049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory = stream->memory; 870727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_Error error = FT_Err_Ok; 871049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UShort glyph_sid; 872049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 873049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 874049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* If the the offset is greater than 2, we have to parse the */ 875049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* charset table. */ 876049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset > 2 ) 877049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 878049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt j; 879049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 880049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 881049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charset->offset = base_offset + offset; 882049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 883049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Get the format of the table. */ 884049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_STREAM_SEEK( charset->offset ) || 885049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_READ_BYTE( charset->format ) ) 886049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 887049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 888049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Allocate memory for sids. */ 889049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_NEW_ARRAY( charset->sids, num_glyphs ) ) 890049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 891049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 892049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* assign the .notdef glyph */ 893049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charset->sids[0] = 0; 894049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 895049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project switch ( charset->format ) 896049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 897049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project case 0: 898049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( num_glyphs > 0 ) 899049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 900049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_FRAME_ENTER( ( num_glyphs - 1 ) * 2 ) ) 901049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 902049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 903049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( j = 1; j < num_glyphs; j++ ) 9047f08cbd7d6dcf19b8d8e4328e33032aee342e3b4David 'Digit' Turner charset->sids[j] = FT_GET_USHORT(); 905049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 906049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_FRAME_EXIT(); 907049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 908049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 909049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 910049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project case 1: 911049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project case 2: 912049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 913049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt nleft; 914049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt i; 915049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 916049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 917049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project j = 1; 918049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 919049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project while ( j < num_glyphs ) 920049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 921049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Read the first glyph sid of the range. */ 922049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_READ_USHORT( glyph_sid ) ) 923049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 924049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 925049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Read the number of glyphs in the range. */ 926049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( charset->format == 2 ) 927049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 928049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_READ_USHORT( nleft ) ) 929049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 930049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 931049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 932049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 933049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_READ_BYTE( nleft ) ) 934049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 935049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 936049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 937295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner /* try to rescue some of the SIDs if `nleft' is too large */ 9387f08cbd7d6dcf19b8d8e4328e33032aee342e3b4David 'Digit' Turner if ( glyph_sid > 0xFFFFL - nleft ) 939aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich { 9407f08cbd7d6dcf19b8d8e4328e33032aee342e3b4David 'Digit' Turner FT_ERROR(( "cff_charset_load: invalid SID range trimmed" 9417f08cbd7d6dcf19b8d8e4328e33032aee342e3b4David 'Digit' Turner " nleft=%d -> %d\n", nleft, 0xFFFFL - glyph_sid )); 9427f08cbd7d6dcf19b8d8e4328e33032aee342e3b4David 'Digit' Turner nleft = ( FT_UInt )( 0xFFFFL - glyph_sid ); 943295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner } 944295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner 945049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Fill in the range of sids -- `nleft + 1' glyphs. */ 946049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( i = 0; j < num_glyphs && i <= nleft; i++, j++, glyph_sid++ ) 947049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charset->sids[j] = glyph_sid; 948049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 949049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 950049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 951049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 952049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project default: 953295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_ERROR(( "cff_charset_load: invalid table format\n" )); 954727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease error = FT_THROW( Invalid_File_Format ); 955049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 956049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 957049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 958049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 959049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 960049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Parse default tables corresponding to offset == 0, 1, or 2. */ 961049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* CFF specification intimates the following: */ 962049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 963049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* In order to use a predefined charset, the following must be */ 964049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* true: The charset constructed for the glyphs in the font's */ 965049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* charstrings dictionary must match the predefined charset in */ 966049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* the first num_glyphs. */ 967049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 968049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charset->offset = offset; /* record charset type */ 969049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 970049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project switch ( (FT_UInt)offset ) 971049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 972049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project case 0: 973049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( num_glyphs > 229 ) 974049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 975049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ERROR(( "cff_charset_load: implicit charset larger than\n" 976295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner "predefined charset (Adobe ISO-Latin)\n" )); 977727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease error = FT_THROW( Invalid_File_Format ); 978049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 979049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 980049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 981049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Allocate memory for sids. */ 982049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_NEW_ARRAY( charset->sids, num_glyphs ) ) 983049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 984049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 985049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Copy the predefined charset into the allocated memory. */ 986049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ARRAY_COPY( charset->sids, cff_isoadobe_charset, num_glyphs ); 987049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 988049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 989049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 990049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project case 1: 991049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( num_glyphs > 166 ) 992049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 993049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ERROR(( "cff_charset_load: implicit charset larger than\n" 994295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner "predefined charset (Adobe Expert)\n" )); 995727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease error = FT_THROW( Invalid_File_Format ); 996049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 997049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 998049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 999049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Allocate memory for sids. */ 1000049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_NEW_ARRAY( charset->sids, num_glyphs ) ) 1001049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1002049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1003049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Copy the predefined charset into the allocated memory. */ 1004049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ARRAY_COPY( charset->sids, cff_expert_charset, num_glyphs ); 1005049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1006049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1007049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1008049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project case 2: 1009049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( num_glyphs > 87 ) 1010049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1011049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ERROR(( "cff_charset_load: implicit charset larger than\n" 1012295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner "predefined charset (Adobe Expert Subset)\n" )); 1013727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease error = FT_THROW( Invalid_File_Format ); 1014049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1015049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1016049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1017049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Allocate memory for sids. */ 1018049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_NEW_ARRAY( charset->sids, num_glyphs ) ) 1019049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1020049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1021049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Copy the predefined charset into the allocated memory. */ 1022049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ARRAY_COPY( charset->sids, cff_expertsubset_charset, num_glyphs ); 1023049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1024049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1025049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1026049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project default: 1027727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease error = FT_THROW( Invalid_File_Format ); 1028049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1029049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1030049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1031049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1032049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* we have to invert the `sids' array for subsetted CID-keyed fonts */ 1033049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( invert ) 1034049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project error = cff_charset_compute_cids( charset, num_glyphs, memory ); 1035049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1036049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Exit: 1037049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Clean up if there was an error. */ 1038049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( error ) 1039049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1040049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_FREE( charset->sids ); 1041049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_FREE( charset->cids ); 1042049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charset->format = 0; 1043049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charset->offset = 0; 1044049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project charset->sids = 0; 1045049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1046049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1047049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return error; 1048049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1049049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1050049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1051049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static void 1052049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cff_encoding_done( CFF_Encoding encoding ) 1053049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1054049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project encoding->format = 0; 1055049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project encoding->offset = 0; 1056049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project encoding->count = 0; 1057049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1058049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1059049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1060049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_Error 1061049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cff_encoding_load( CFF_Encoding encoding, 1062049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project CFF_Charset charset, 1063049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt num_glyphs, 1064049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Stream stream, 1065049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong base_offset, 1066049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong offset ) 1067049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1068727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_Error error = FT_Err_Ok; 1069049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt count; 1070049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt j; 1071049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UShort glyph_sid; 1072049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt glyph_code; 1073049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1074049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1075049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Check for charset->sids. If we do not have this, we fail. */ 1076049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !charset->sids ) 1077049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1078727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease error = FT_THROW( Invalid_File_Format ); 1079049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1080049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1081049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1082049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Zero out the code to gid/sid mappings. */ 1083049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( j = 0; j < 256; j++ ) 1084049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1085049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project encoding->sids [j] = 0; 1086049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project encoding->codes[j] = 0; 1087049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1088049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1089049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Note: The encoding table in a CFF font is indexed by glyph index; */ 1090049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* the first encoded glyph index is 1. Hence, we read the character */ 1091049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* code (`glyph_code') at index j and make the assignment: */ 1092049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1093049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* encoding->codes[glyph_code] = j + 1 */ 1094049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1095049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* We also make the assignment: */ 1096049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1097049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* encoding->sids[glyph_code] = charset->sids[j + 1] */ 1098049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1099049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* This gives us both a code to GID and a code to SID mapping. */ 1100049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1101049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( offset > 1 ) 1102049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1103049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project encoding->offset = base_offset + offset; 1104049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1105049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* we need to parse the table to determine its size */ 1106049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_STREAM_SEEK( encoding->offset ) || 1107049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_READ_BYTE( encoding->format ) || 1108049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_READ_BYTE( count ) ) 1109049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1110049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1111049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project switch ( encoding->format & 0x7F ) 1112049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1113049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project case 0: 1114049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1115049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* p; 1116049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1117049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1118049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* By convention, GID 0 is always ".notdef" and is never */ 1119049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* coded in the font. Hence, the number of codes found */ 1120049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* in the table is `count+1'. */ 1121049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* */ 1122049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project encoding->count = count + 1; 1123049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1124049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_FRAME_ENTER( count ) ) 1125049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1126049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1127049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project p = (FT_Byte*)stream->cursor; 1128049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1129049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( j = 1; j <= count; j++ ) 1130049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1131049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project glyph_code = *p++; 1132049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1133049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Make sure j is not too big. */ 1134049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( j < num_glyphs ) 1135049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1136049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Assign code to GID mapping. */ 1137049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project encoding->codes[glyph_code] = (FT_UShort)j; 1138049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1139049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Assign code to SID mapping. */ 1140049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project encoding->sids[glyph_code] = charset->sids[j]; 1141049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1142049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1143049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1144049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_FRAME_EXIT(); 1145049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1146049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1147049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1148049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project case 1: 1149049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1150049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt nleft; 1151049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt i = 1; 1152049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt k; 1153049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1154049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1155049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project encoding->count = 0; 1156049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1157049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Parse the Format1 ranges. */ 1158049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( j = 0; j < count; j++, i += nleft ) 1159049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1160049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Read the first glyph code of the range. */ 1161049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_READ_BYTE( glyph_code ) ) 1162049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1163049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1164049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Read the number of codes in the range. */ 1165049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_READ_BYTE( nleft ) ) 1166049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1167049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1168049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Increment nleft, so we read `nleft + 1' codes/sids. */ 1169049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project nleft++; 1170049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1171049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* compute max number of character codes */ 1172049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( (FT_UInt)nleft > encoding->count ) 1173049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project encoding->count = nleft; 1174049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1175049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Fill in the range of codes/sids. */ 1176049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( k = i; k < nleft + i; k++, glyph_code++ ) 1177049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1178049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Make sure k is not too big. */ 1179049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( k < num_glyphs && glyph_code < 256 ) 1180049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1181049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Assign code to GID mapping. */ 1182049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project encoding->codes[glyph_code] = (FT_UShort)k; 1183049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1184049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Assign code to SID mapping. */ 1185049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project encoding->sids[glyph_code] = charset->sids[k]; 1186049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1187049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1188049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1189049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1190049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* simple check; one never knows what can be found in a font */ 1191049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( encoding->count > 256 ) 1192049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project encoding->count = 256; 1193049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1194049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1195049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1196049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project default: 1197295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_ERROR(( "cff_encoding_load: invalid table format\n" )); 1198727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease error = FT_THROW( Invalid_File_Format ); 1199049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1200049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1201049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1202049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Parse supplemental encodings, if any. */ 1203049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( encoding->format & 0x80 ) 1204049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1205049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gindex; 1206049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1207049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1208049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* count supplements */ 1209049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_READ_BYTE( count ) ) 1210049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1211049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1212049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( j = 0; j < count; j++ ) 1213049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1214049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Read supplemental glyph code. */ 1215049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_READ_BYTE( glyph_code ) ) 1216049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1217049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1218049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Read the SID associated with this glyph code. */ 1219049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_READ_USHORT( glyph_sid ) ) 1220049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1221049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1222049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Assign code to SID mapping. */ 1223049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project encoding->sids[glyph_code] = glyph_sid; 1224049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1225049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* First, look up GID which has been assigned to */ 1226049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* SID glyph_sid. */ 1227049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( gindex = 0; gindex < num_glyphs; gindex++ ) 1228049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1229049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( charset->sids[gindex] == glyph_sid ) 1230049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1231049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project encoding->codes[glyph_code] = (FT_UShort)gindex; 1232049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1233049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1234049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1235049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1236049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1237049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1238049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1239049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1240049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* We take into account the fact a CFF font can use a predefined */ 1241049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* encoding without containing all of the glyphs encoded by this */ 1242049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* encoding (see the note at the end of section 12 in the CFF */ 1243049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* specification). */ 1244049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1245049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project switch ( (FT_UInt)offset ) 1246049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1247049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project case 0: 1248049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* First, copy the code to SID mapping. */ 1249049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ARRAY_COPY( encoding->sids, cff_standard_encoding, 256 ); 1250049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Populate; 1251049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1252049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project case 1: 1253049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* First, copy the code to SID mapping. */ 1254049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ARRAY_COPY( encoding->sids, cff_expert_encoding, 256 ); 1255049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1256049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Populate: 1257049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Construct code to GID mapping from code to SID mapping */ 1258049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* and charset. */ 1259049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1260049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project encoding->count = 0; 1261049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1262049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project error = cff_charset_compute_cids( charset, num_glyphs, 1263049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project stream->memory ); 1264049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( error ) 1265049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1266049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1267049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( j = 0; j < 256; j++ ) 1268049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1269049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt sid = encoding->sids[j]; 1270049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt gid = 0; 1271049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1272049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1273049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( sid ) 1274049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project gid = cff_charset_cid_to_gindex( charset, sid ); 1275049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1276049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( gid != 0 ) 1277049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1278049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project encoding->codes[j] = (FT_UShort)gid; 1279bff90fb5ec88ad7fdfb6d1d2f5a5719c20a2c5dcOlivier Bailly encoding->count = j + 1; 1280049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1281049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1282049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1283049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project encoding->codes[j] = 0; 1284049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project encoding->sids [j] = 0; 1285049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1286049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1287049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project break; 1288049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1289049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project default: 1290295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_ERROR(( "cff_encoding_load: invalid table format\n" )); 1291727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease error = FT_THROW( Invalid_File_Format ); 1292049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1293049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1294049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1295049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1296049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Exit: 1297049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1298049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* Clean up if there was an error. */ 1299049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return error; 1300049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1301049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1302049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1303049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static FT_Error 1304049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cff_subfont_load( CFF_SubFont font, 1305049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project CFF_Index idx, 1306049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt font_index, 1307049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Stream stream, 1308295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_ULong base_offset, 1309295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_Library library ) 1310049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1311049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Error error; 1312049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project CFF_ParserRec parser; 1313049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Byte* dict = NULL; 1314049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong dict_len; 1315049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project CFF_FontRecDict top = &font->font_dict; 1316049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project CFF_Private priv = &font->private_dict; 1317049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1318049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1319295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cff_parser_init( &parser, CFF_CODE_TOPDICT, &font->font_dict, library ); 1320049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1321049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* set defaults */ 1322049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_MEM_ZERO( top, sizeof ( *top ) ); 1323049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1324727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease top->underline_position = -( 100L << 16 ); 1325049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project top->underline_thickness = 50L << 16; 1326049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project top->charstring_type = 2; 1327049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project top->font_matrix.xx = 0x10000L; 1328049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project top->font_matrix.yy = 0x10000L; 1329049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project top->cid_count = 8720; 1330049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1331049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* we use the implementation specific SID value 0xFFFF to indicate */ 1332049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* missing entries */ 1333049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project top->version = 0xFFFFU; 1334049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project top->notice = 0xFFFFU; 1335049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project top->copyright = 0xFFFFU; 1336049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project top->full_name = 0xFFFFU; 1337049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project top->family_name = 0xFFFFU; 1338049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project top->weight = 0xFFFFU; 1339049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project top->embedded_postscript = 0xFFFFU; 1340049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1341049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project top->cid_registry = 0xFFFFU; 1342049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project top->cid_ordering = 0xFFFFU; 1343049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project top->cid_font_name = 0xFFFFU; 1344049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1345049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project error = cff_index_access_element( idx, font_index, &dict, &dict_len ); 1346049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( !error ) 1347bff90fb5ec88ad7fdfb6d1d2f5a5719c20a2c5dcOlivier Bailly { 1348bff90fb5ec88ad7fdfb6d1d2f5a5719c20a2c5dcOlivier Bailly FT_TRACE4(( " top dictionary:\n" )); 1349049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project error = cff_parser_run( &parser, dict, dict + dict_len ); 1350bff90fb5ec88ad7fdfb6d1d2f5a5719c20a2c5dcOlivier Bailly } 1351049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1352049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cff_index_forget_element( idx, &dict ); 1353049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1354049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( error ) 1355049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1356049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1357049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* if it is a CID font, we stop there */ 1358049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( top->cid_registry != 0xFFFFU ) 1359049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1360049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1361049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* parse the private dictionary, if any */ 1362049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( top->private_offset && top->private_size ) 1363049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1364049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* set defaults */ 1365049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_MEM_ZERO( priv, sizeof ( *priv ) ); 1366049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1367049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project priv->blue_shift = 7; 1368049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project priv->blue_fuzz = 1; 1369049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project priv->lenIV = -1; 1370049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project priv->expansion_factor = (FT_Fixed)( 0.06 * 0x10000L ); 1371049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project priv->blue_scale = (FT_Fixed)( 0.039625 * 0x10000L * 1000 ); 1372049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1373295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cff_parser_init( &parser, CFF_CODE_PRIVATE, priv, library ); 1374049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1375049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_STREAM_SEEK( base_offset + font->font_dict.private_offset ) || 1376049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_FRAME_ENTER( font->font_dict.private_size ) ) 1377049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1378049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1379bff90fb5ec88ad7fdfb6d1d2f5a5719c20a2c5dcOlivier Bailly FT_TRACE4(( " private dictionary:\n" )); 1380049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project error = cff_parser_run( &parser, 1381049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_Byte*)stream->cursor, 1382049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project (FT_Byte*)stream->limit ); 1383049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_FRAME_EXIT(); 1384049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( error ) 1385049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1386049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1387049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* ensure that `num_blue_values' is even */ 1388049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project priv->num_blue_values &= ~1; 1389049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1390049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1391049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* read the local subrs, if any */ 1392049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( priv->local_subrs_offset ) 1393049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1394049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_STREAM_SEEK( base_offset + top->private_offset + 1395049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project priv->local_subrs_offset ) ) 1396049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1397049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1398049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project error = cff_index_init( &font->local_subrs_index, stream, 1 ); 1399049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( error ) 1400049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1401049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1402049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project error = cff_index_get_pointers( &font->local_subrs_index, 1403aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich &font->local_subrs, NULL ); 1404049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( error ) 1405049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1406049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1407049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1408049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Exit: 1409049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return error; 1410049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1411049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1412049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1413049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static void 1414049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cff_subfont_done( FT_Memory memory, 1415049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project CFF_SubFont subfont ) 1416049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1417049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( subfont ) 1418049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1419049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cff_index_done( &subfont->local_subrs_index ); 1420049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_FREE( subfont->local_subrs ); 1421049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1422049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1423049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1424049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1425049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_LOCAL_DEF( FT_Error ) 1426295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner cff_font_load( FT_Library library, 1427295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_Stream stream, 1428049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Int face_index, 142977f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner CFF_Font font, 143077f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner FT_Bool pure_cff ) 1431049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1432049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project static const FT_Frame_Field cff_header_fields[] = 1433049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1434049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#undef FT_STRUCTURE 1435049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project#define FT_STRUCTURE CFF_FontRec 1436049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1437049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_FRAME_START( 4 ), 1438049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_FRAME_BYTE( version_major ), 1439049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_FRAME_BYTE( version_minor ), 1440049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_FRAME_BYTE( header_size ), 1441049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_FRAME_BYTE( absolute_offsize ), 1442049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_FRAME_END 1443049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project }; 1444049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1445049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Error error; 1446049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory = stream->memory; 1447049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ULong base_offset; 1448049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project CFF_FontRecDict dict; 1449aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich CFF_IndexRec string_index; 1450727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_Int subfont_index; 1451049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1452049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1453049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_ZERO( font ); 1454aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich FT_ZERO( &string_index ); 1455049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1456049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project font->stream = stream; 1457049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project font->memory = memory; 1458049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project dict = &font->top_font.font_dict; 1459049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project base_offset = FT_STREAM_POS(); 1460049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1461049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* read CFF font header */ 1462049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_STREAM_READ_FIELDS( cff_header_fields, font ) ) 1463049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1464049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1465049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* check format */ 1466049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( font->version_major != 1 || 1467049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project font->header_size < 4 || 1468049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project font->absolute_offsize > 4 ) 1469049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 147041371e1e39c8528eb0c4bc40683c736e6683e60cEric Vannier FT_TRACE2(( " not a CFF font header\n" )); 1471727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease error = FT_THROW( Unknown_File_Format ); 1472049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1473049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1474049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1475049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* skip the rest of the header */ 1476049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_STREAM_SKIP( font->header_size - 4 ) ) 1477049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1478049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1479049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* read the name, top dict, string and global subrs index */ 1480049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_SET_ERROR( cff_index_init( &font->name_index, 1481aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich stream, 0 ) ) || 1482049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_SET_ERROR( cff_index_init( &font->font_dict_index, 1483aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich stream, 0 ) ) || 1484aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich FT_SET_ERROR( cff_index_init( &string_index, 1485aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich stream, 1 ) ) || 1486049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_SET_ERROR( cff_index_init( &font->global_subrs_index, 1487aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich stream, 1 ) ) || 1488aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich FT_SET_ERROR( cff_index_get_pointers( &string_index, 1489aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich &font->strings, 1490aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich &font->string_pool ) ) ) 1491049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1492049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1493aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich font->num_strings = string_index.count; 1494aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich 1495727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease if ( pure_cff ) 1496727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease { 1497727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease /* well, we don't really forget the `disabled' fonts... */ 1498727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease subfont_index = face_index; 1499727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease 1500727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease if ( subfont_index >= (FT_Int)font->name_index.count ) 1501727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease { 1502727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_ERROR(( "cff_font_load:" 1503727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease " invalid subfont index for pure CFF font (%d)\n", 1504727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease subfont_index )); 1505727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease error = FT_THROW( Invalid_Argument ); 1506727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease goto Exit; 1507727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease } 1508727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease 1509727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease font->num_faces = font->name_index.count; 1510727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease } 1511727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease else 1512049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1513727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease subfont_index = 0; 1514727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease 1515727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease if ( font->name_index.count > 1 ) 1516727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease { 1517727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_ERROR(( "cff_font_load:" 1518727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease " invalid CFF font with multiple subfonts\n" 1519727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease " " 1520727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease " in SFNT wrapper\n" )); 1521727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease error = FT_THROW( Invalid_File_Format ); 1522727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease goto Exit; 1523727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease } 1524049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1525049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1526049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* in case of a font format check, simply exit now */ 1527049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( face_index < 0 ) 1528049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1529049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1530049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* now, parse the top-level font dictionary */ 1531bff90fb5ec88ad7fdfb6d1d2f5a5719c20a2c5dcOlivier Bailly FT_TRACE4(( "parsing top-level\n" )); 1532049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project error = cff_subfont_load( &font->top_font, 1533049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project &font->font_dict_index, 1534727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease subfont_index, 1535049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project stream, 1536295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner base_offset, 1537295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner library ); 1538049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( error ) 1539049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1540049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1541049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_STREAM_SEEK( base_offset + dict->charstrings_offset ) ) 1542049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1543049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1544049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project error = cff_index_init( &font->charstrings_index, stream, 0 ); 1545049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( error ) 1546049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1547049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1548049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* now, check for a CID font */ 1549049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( dict->cid_registry != 0xFFFFU ) 1550049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1551049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project CFF_IndexRec fd_index; 1552aeb407daf3711a10a27f3bc2223c5eb05158076eDavid 'Digit' Turner CFF_SubFont sub = NULL; 1553049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt idx; 1554049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1555049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1556049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* this is a CID-keyed font, we must now allocate a table of */ 1557049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* sub-fonts, then load each of them separately */ 1558049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_STREAM_SEEK( base_offset + dict->cid_fd_array_offset ) ) 1559049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1560049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1561049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project error = cff_index_init( &fd_index, stream, 0 ); 1562049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( error ) 1563049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1564049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1565049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( fd_index.count > CFF_MAX_CID_FONTS ) 1566049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1567295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_TRACE0(( "cff_font_load: FD array too large in CID font\n" )); 1568049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Fail_CID; 1569049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1570049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1571049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* allocate & read each font dict independently */ 1572049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project font->num_subfonts = fd_index.count; 1573049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( FT_NEW_ARRAY( sub, fd_index.count ) ) 1574049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Fail_CID; 1575049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1576049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* set up pointer table */ 1577049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( idx = 0; idx < fd_index.count; idx++ ) 1578049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project font->subfonts[idx] = sub + idx; 1579049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1580049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* now load each subfont independently */ 1581049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( idx = 0; idx < fd_index.count; idx++ ) 1582049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1583049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project sub = font->subfonts[idx]; 1584bff90fb5ec88ad7fdfb6d1d2f5a5719c20a2c5dcOlivier Bailly FT_TRACE4(( "parsing subfont %u\n", idx )); 1585049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project error = cff_subfont_load( sub, &fd_index, idx, 1586295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner stream, base_offset, library ); 1587049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( error ) 1588049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Fail_CID; 1589049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1590049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1591049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* now load the FD Select array */ 1592049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project error = CFF_Load_FD_Select( &font->fd_select, 1593049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project font->charstrings_index.count, 1594049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project stream, 1595049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project base_offset + dict->cid_fd_select_offset ); 1596049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1597049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Fail_CID: 1598049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cff_index_done( &fd_index ); 1599049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1600049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( error ) 1601049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1602049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1603049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project else 1604049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project font->num_subfonts = 0; 1605049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1606049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* read the charstrings index now */ 1607049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( dict->charstrings_offset == 0 ) 1608049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1609295ffce55e0198e7a9f7d46b33f5c2b4147bf821David 'Digit' Turner FT_ERROR(( "cff_font_load: no charstrings offset\n" )); 1610727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease error = FT_THROW( Invalid_File_Format ); 1611049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1612049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1613049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1614aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich font->num_glyphs = font->charstrings_index.count; 1615049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1616049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project error = cff_index_get_pointers( &font->global_subrs_index, 1617aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich &font->global_subrs, NULL ); 1618049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1619049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( error ) 1620049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1621049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1622049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* read the Charset and Encoding tables if available */ 1623049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( font->num_glyphs > 0 ) 1624049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 162577f63d23f7d380b0ff02c18fd6a154ab9063128aDavid 'Digit' Turner FT_Bool invert = FT_BOOL( dict->cid_registry != 0xFFFFU && pure_cff ); 1626049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1627049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1628049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project error = cff_charset_load( &font->charset, font->num_glyphs, stream, 1629049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project base_offset, dict->charset_offset, invert ); 1630049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( error ) 1631049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1632049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1633049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* CID-keyed CFFs don't have an encoding */ 1634049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( dict->cid_registry == 0xFFFFU ) 1635049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1636049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project error = cff_encoding_load( &font->encoding, 1637049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project &font->charset, 1638049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project font->num_glyphs, 1639049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project stream, 1640049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project base_offset, 1641049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project dict->encoding_offset ); 1642049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( error ) 1643049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project goto Exit; 1644049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1645049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1646049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1647049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* get the font name (/CIDFontName for CID-keyed fonts, */ 1648049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* /FontName otherwise) */ 1649727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease font->font_name = cff_index_get_name( font, subfont_index ); 1650049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1651049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project Exit: 1652aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich cff_index_done( &string_index ); 1653aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich 1654049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project return error; 1655049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1656049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1657049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1658049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_LOCAL_DEF( void ) 1659049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cff_font_done( CFF_Font font ) 1660049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1661049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_Memory memory = font->memory; 1662049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_UInt idx; 1663049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1664049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1665049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cff_index_done( &font->global_subrs_index ); 1666049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cff_index_done( &font->font_dict_index ); 1667049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cff_index_done( &font->name_index ); 1668049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cff_index_done( &font->charstrings_index ); 1669049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1670049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* release font dictionaries, but only if working with */ 1671049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* a CID keyed CFF font */ 1672049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project if ( font->num_subfonts > 0 ) 1673049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project { 1674049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project for ( idx = 0; idx < font->num_subfonts; idx++ ) 1675049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cff_subfont_done( memory, font->subfonts[idx] ); 1676049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1677049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project /* the subfonts array has been allocated as a single block */ 1678049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_FREE( font->subfonts[0] ); 1679049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1680049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1681049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cff_encoding_done( &font->encoding ); 1682049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cff_charset_done( &font->charset, font->stream ); 1683049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1684049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project cff_subfont_done( memory, &font->top_font ); 1685049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1686049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project CFF_Done_FD_Select( &font->fd_select, font->stream ); 1687049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1688aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich FT_FREE( font->font_info ); 1689049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1690049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project FT_FREE( font->font_name ); 1691aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich FT_FREE( font->global_subrs ); 1692aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich FT_FREE( font->strings ); 1693aacb8e1368a883fcbc9fe64fd0e460cef9c9b20cNick Kralevich FT_FREE( font->string_pool ); 1694727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease 1695727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease if ( font->cf2_instance.finalizer ) 1696727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease { 1697727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease font->cf2_instance.finalizer( font->cf2_instance.data ); 1698727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease FT_FREE( font->cf2_instance.data ); 1699727dee178a392d20eb050d0c446f2fcc29058fa1Victoria Lease } 1700049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project } 1701049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1702049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project 1703049d6fea481044fcc000e7782e5bc7046fc70844The Android Open Source Project/* END */ 1704