2625 lines
100 KiB
C++
2625 lines
100 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <cstdio>
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#include <cstring>
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#include <vector>
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#include <assert.h>
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#include <fontsubset.hxx>
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#include <comphelper/flagguard.hxx>
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#include <o3tl/safeint.hxx>
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#include <o3tl/sprintf.hxx>
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#include <rtl/math.hxx>
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#include <rtl/strbuf.hxx>
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#include <rtl/string.hxx>
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#include <strhelper.hxx>
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#include <sal/log.hxx>
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#include <tools/stream.hxx>
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typedef sal_uInt8 U8;
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typedef sal_uInt16 U16;
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typedef sal_Int64 S64;
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typedef double RealType;
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typedef RealType ValType;
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constexpr OString tok_notdef = ".notdef"_ostr;
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constexpr OString tok_space = "space"_ostr;
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constexpr OString tok_exclam = "exclam"_ostr;
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constexpr OString tok_quotedbl = "quotedbl"_ostr;
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constexpr OString tok_numbersign = "numbersign"_ostr;
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constexpr OString tok_dollar = "dollar"_ostr;
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constexpr OString tok_percent = "percent"_ostr;
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constexpr OString tok_ampersand = "ampersand"_ostr;
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constexpr OString tok_quoteright = "quoteright"_ostr;
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constexpr OString tok_parenleft = "parenleft"_ostr;
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constexpr OString tok_parenright = "parenright"_ostr;
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constexpr OString tok_asterisk = "asterisk"_ostr;
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constexpr OString tok_plus = "plus"_ostr;
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constexpr OString tok_comma = "comma"_ostr;
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constexpr OString tok_hyphen = "hyphen"_ostr;
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constexpr OString tok_period = "period"_ostr;
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constexpr OString tok_slash = "slash"_ostr;
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constexpr OString tok_zero = "zero"_ostr;
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constexpr OString tok_one = "one"_ostr;
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constexpr OString tok_two = "two"_ostr;
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constexpr OString tok_three = "three"_ostr;
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constexpr OString tok_four = "four"_ostr;
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constexpr OString tok_five = "five"_ostr;
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constexpr OString tok_six = "six"_ostr;
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constexpr OString tok_seven = "seven"_ostr;
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constexpr OString tok_eight = "eight"_ostr;
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constexpr OString tok_nine = "nine"_ostr;
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constexpr OString tok_colon = "colon"_ostr;
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constexpr OString tok_semicolon = "semicolon"_ostr;
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constexpr OString tok_less = "less"_ostr;
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constexpr OString tok_equal = "equal"_ostr;
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constexpr OString tok_greater = "greater"_ostr;
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constexpr OString tok_question = "question"_ostr;
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constexpr OString tok_at = "at"_ostr;
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constexpr OString tok_A = "A"_ostr;
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constexpr OString tok_B = "B"_ostr;
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constexpr OString tok_C = "C"_ostr;
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constexpr OString tok_D = "D"_ostr;
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constexpr OString tok_E = "E"_ostr;
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constexpr OString tok_F = "F"_ostr;
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constexpr OString tok_G = "G"_ostr;
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constexpr OString tok_H = "H"_ostr;
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constexpr OString tok_I = "I"_ostr;
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constexpr OString tok_J = "J"_ostr;
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constexpr OString tok_K = "K"_ostr;
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constexpr OString tok_L = "L"_ostr;
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constexpr OString tok_M = "M"_ostr;
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constexpr OString tok_N = "N"_ostr;
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constexpr OString tok_O = "O"_ostr;
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constexpr OString tok_P = "P"_ostr;
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constexpr OString tok_Q = "Q"_ostr;
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constexpr OString tok_R = "R"_ostr;
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constexpr OString tok_S = "S"_ostr;
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constexpr OString tok_T = "T"_ostr;
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constexpr OString tok_U = "U"_ostr;
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constexpr OString tok_V = "V"_ostr;
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constexpr OString tok_W = "W"_ostr;
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constexpr OString tok_X = "X"_ostr;
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constexpr OString tok_Y = "Y"_ostr;
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constexpr OString tok_Z = "Z"_ostr;
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constexpr OString tok_bracketleft = "bracketleft"_ostr;
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constexpr OString tok_backslash = "backslash"_ostr;
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constexpr OString tok_bracketright = "bracketright"_ostr;
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constexpr OString tok_asciicircum = "asciicircum"_ostr;
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constexpr OString tok_underscore = "underscore"_ostr;
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constexpr OString tok_quoteleft = "quoteleft"_ostr;
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constexpr OString tok_a = "a"_ostr;
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constexpr OString tok_b = "b"_ostr;
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constexpr OString tok_c = "c"_ostr;
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constexpr OString tok_d = "d"_ostr;
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constexpr OString tok_e = "e"_ostr;
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constexpr OString tok_f = "f"_ostr;
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constexpr OString tok_g = "g"_ostr;
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constexpr OString tok_h = "h"_ostr;
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constexpr OString tok_i = "i"_ostr;
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constexpr OString tok_j = "j"_ostr;
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constexpr OString tok_k = "k"_ostr;
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constexpr OString tok_l = "l"_ostr;
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constexpr OString tok_m = "m"_ostr;
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constexpr OString tok_n = "n"_ostr;
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constexpr OString tok_o = "o"_ostr;
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constexpr OString tok_p = "p"_ostr;
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constexpr OString tok_q = "q"_ostr;
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constexpr OString tok_r = "r"_ostr;
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constexpr OString tok_s = "s"_ostr;
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constexpr OString tok_t = "t"_ostr;
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constexpr OString tok_u = "u"_ostr;
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constexpr OString tok_v = "v"_ostr;
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constexpr OString tok_w = "w"_ostr;
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constexpr OString tok_x = "x"_ostr;
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constexpr OString tok_y = "y"_ostr;
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constexpr OString tok_z = "z"_ostr;
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constexpr OString tok_braceleft = "braceleft"_ostr;
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constexpr OString tok_bar = "bar"_ostr;
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constexpr OString tok_braceright = "braceright"_ostr;
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constexpr OString tok_asciitilde = "asciitilde"_ostr;
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constexpr OString tok_exclamdown = "exclamdown"_ostr;
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constexpr OString tok_cent = "cent"_ostr;
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constexpr OString tok_sterlin = "sterlin"_ostr;
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constexpr OString tok_fraction = "fraction"_ostr;
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constexpr OString tok_yen = "yen"_ostr;
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constexpr OString tok_florin = "florin"_ostr;
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constexpr OString tok_section = "section"_ostr;
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constexpr OString tok_currency = "currency"_ostr;
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constexpr OString tok_quotesingle = "quotesingle"_ostr;
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constexpr OString tok_quotedblleft = "quotedblleft"_ostr;
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constexpr OString tok_guillemotleft = "guillemotleft"_ostr;
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constexpr OString tok_guilsinglleft = "guilsinglleft"_ostr;
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constexpr OString tok_guilsinglright = "guilsinglright"_ostr;
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constexpr OString tok_fi = "fi"_ostr;
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constexpr OString tok_fl = "fl"_ostr;
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constexpr OString tok_endash = "endash"_ostr;
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constexpr OString tok_dagger = "dagger"_ostr;
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constexpr OString tok_daggerdbl = "daggerdbl"_ostr;
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constexpr OString tok_periodcentered = "periodcentered"_ostr;
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constexpr OString tok_paragraph = "paragraph"_ostr;
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constexpr OString tok_bullet = "bullet"_ostr;
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constexpr OString tok_quotesinglbase = "quotesinglbase"_ostr;
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constexpr OString tok_quotedblbase = "quotedblbase"_ostr;
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constexpr OString tok_quotedblright = "quotedblright"_ostr;
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constexpr OString tok_guillemotright = "guillemotright"_ostr;
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constexpr OString tok_ellipsis = "ellipsis"_ostr;
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constexpr OString tok_perthousand = "perthousand"_ostr;
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constexpr OString tok_questiondown = "questiondown"_ostr;
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constexpr OString tok_grave = "grave"_ostr;
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constexpr OString tok_acute = "acute"_ostr;
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constexpr OString tok_circumflex = "circumflex"_ostr;
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constexpr OString tok_tilde = "tilde"_ostr;
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constexpr OString tok_macron = "macron"_ostr;
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constexpr OString tok_breve = "breve"_ostr;
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constexpr OString tok_dotaccent = "dotaccent"_ostr;
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constexpr OString tok_dieresis = "dieresis"_ostr;
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constexpr OString tok_ring = "ring"_ostr;
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constexpr OString tok_cedilla = "cedilla"_ostr;
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constexpr OString tok_hungarumlaut = "hungarumlaut"_ostr;
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constexpr OString tok_ogonek = "ogonek"_ostr;
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constexpr OString tok_caron = "caron"_ostr;
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constexpr OString tok_emdash = "emdash"_ostr;
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constexpr OString tok_AE = "AE"_ostr;
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constexpr OString tok_ordfeminine = "ordfeminine"_ostr;
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constexpr OString tok_Lslash = "Lslash"_ostr;
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constexpr OString tok_Oslash = "Oslash"_ostr;
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constexpr OString tok_OE = "OE"_ostr;
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constexpr OString tok_ordmasculine = "ordmasculine"_ostr;
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constexpr OString tok_ae = "ae"_ostr;
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constexpr OString tok_dotlessi = "dotlessi"_ostr;
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constexpr OString tok_lslash = "lslash"_ostr;
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constexpr OString tok_oslash = "oslash"_ostr;
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constexpr OString tok_oe = "oe"_ostr;
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constexpr OString tok_germandbls = "germandbls"_ostr;
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constexpr OString tok_onesuperior = "onesuperior"_ostr;
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constexpr OString tok_logicalnot = "logicalnot"_ostr;
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constexpr OString tok_mu = "mu"_ostr;
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constexpr OString tok_trademark = "trademark"_ostr;
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constexpr OString tok_Eth = "Eth"_ostr;
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constexpr OString tok_onehalf = "onehalf"_ostr;
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constexpr OString tok_plusminus = "plusminus"_ostr;
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constexpr OString tok_Thorn = "Thorn"_ostr;
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constexpr OString tok_onequarter = "onequarter"_ostr;
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constexpr OString tok_divide = "divide"_ostr;
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constexpr OString tok_brokenbar = "brokenbar"_ostr;
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constexpr OString tok_degree = "degree"_ostr;
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constexpr OString tok_thorn = "thorn"_ostr;
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constexpr OString tok_threequarters = "threequarters"_ostr;
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constexpr OString tok_twosuperior = "twosuperior"_ostr;
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constexpr OString tok_registered = "registered"_ostr;
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constexpr OString tok_minus = "minus"_ostr;
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constexpr OString tok_eth = "eth"_ostr;
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constexpr OString tok_multiply = "multiply"_ostr;
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constexpr OString tok_threesuperior = "threesuperior"_ostr;
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constexpr OString tok_copyright = "copyright"_ostr;
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constexpr OString tok_Aacute = "Aacute"_ostr;
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constexpr OString tok_Acircumflex = "Acircumflex"_ostr;
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constexpr OString tok_Adieresis = "Adieresis"_ostr;
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constexpr OString tok_Agrave = "Agrave"_ostr;
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constexpr OString tok_Aring = "Aring"_ostr;
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constexpr OString tok_Atilde = "Atilde"_ostr;
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constexpr OString tok_Ccedilla = "Ccedilla"_ostr;
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constexpr OString tok_Eacute = "Eacute"_ostr;
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constexpr OString tok_Ecircumflex = "Ecircumflex"_ostr;
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constexpr OString tok_Edieresis = "Edieresis"_ostr;
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constexpr OString tok_Egrave = "Egrave"_ostr;
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constexpr OString tok_Iacute = "Iacute"_ostr;
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constexpr OString tok_Icircumflex = "Icircumflex"_ostr;
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constexpr OString tok_Idieresis = "Idieresis"_ostr;
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constexpr OString tok_Igrave = "Igrave"_ostr;
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constexpr OString tok_Ntilde = "Ntilde"_ostr;
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constexpr OString tok_Oacute = "Oacute"_ostr;
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constexpr OString tok_Ocircumflex = "Ocircumflex"_ostr;
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constexpr OString tok_Odieresis = "Odieresis"_ostr;
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constexpr OString tok_Ograve = "Ograve"_ostr;
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constexpr OString tok_Otilde = "Otilde"_ostr;
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constexpr OString tok_Scaron = "Scaron"_ostr;
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constexpr OString tok_Uacute = "Uacute"_ostr;
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constexpr OString tok_Ucircumflex = "Ucircumflex"_ostr;
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constexpr OString tok_Udieresis = "Udieresis"_ostr;
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constexpr OString tok_Ugrave = "Ugrave"_ostr;
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constexpr OString tok_Yacute = "Yacute"_ostr;
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constexpr OString tok_Ydieresis = "Ydieresis"_ostr;
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constexpr OString tok_Zcaron = "Zcaron"_ostr;
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constexpr OString tok_aacute = "aacute"_ostr;
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constexpr OString tok_acircumflex = "acircumflex"_ostr;
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constexpr OString tok_adieresis = "adieresis"_ostr;
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constexpr OString tok_agrave = "agrave"_ostr;
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constexpr OString tok_aring = "aring"_ostr;
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constexpr OString tok_atilde = "atilde"_ostr;
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constexpr OString tok_ccedilla = "ccedilla"_ostr;
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constexpr OString tok_eacute = "eacute"_ostr;
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constexpr OString tok_ecircumflex = "ecircumflex"_ostr;
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constexpr OString tok_edieresis = "edieresis"_ostr;
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constexpr OString tok_egrave = "egrave"_ostr;
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constexpr OString tok_iacute = "iacute"_ostr;
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constexpr OString tok_icircumflex = "icircumflex"_ostr;
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constexpr OString tok_idieresis = "idieresis"_ostr;
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constexpr OString tok_igrave = "igrave"_ostr;
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constexpr OString tok_ntilde = "ntilde"_ostr;
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constexpr OString tok_oacute = "oacute"_ostr;
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constexpr OString tok_ocircumflex = "ocircumflex"_ostr;
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constexpr OString tok_odieresis = "odieresis"_ostr;
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constexpr OString tok_ograve = "ograve"_ostr;
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constexpr OString tok_otilde = "otilde"_ostr;
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constexpr OString tok_scaron = "scaron"_ostr;
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constexpr OString tok_uacute = "uacute"_ostr;
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constexpr OString tok_ucircumflex = "ucircumflex"_ostr;
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constexpr OString tok_udieresis = "udieresis"_ostr;
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constexpr OString tok_ugrave = "ugrave"_ostr;
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constexpr OString tok_yacute = "yacute"_ostr;
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constexpr OString tok_ydieresis = "ydieresis"_ostr;
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constexpr OString tok_zcaron = "zcaron"_ostr;
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constexpr OString tok_exclamsmall = "exclamsmall"_ostr;
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constexpr OString tok_Hungarumlautsmall = "Hungarumlautsmall"_ostr;
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constexpr OString tok_dollaroldstyle = "dollaroldstyle"_ostr;
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constexpr OString tok_dollarsuperior = "dollarsuperior"_ostr;
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constexpr OString tok_ampersandsmall = "ampersandsmall"_ostr;
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constexpr OString tok_Acutesmall = "Acutesmall"_ostr;
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constexpr OString tok_parenleftsuperior = "parenleftsuperior"_ostr;
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constexpr OString tok_parenrightsuperior = "parenrightsuperior"_ostr;
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constexpr OString tok_twodotenleader = "twodotenleader"_ostr;
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constexpr OString tok_onedotenleader = "onedotenleader"_ostr;
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constexpr OString tok_zerooldstyle = "zerooldstyle"_ostr;
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constexpr OString tok_oneoldstyle = "oneoldstyle"_ostr;
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constexpr OString tok_twooldstyle = "twooldstyle"_ostr;
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constexpr OString tok_threeoldstyle = "threeoldstyle"_ostr;
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constexpr OString tok_fouroldstyle = "fouroldstyle"_ostr;
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constexpr OString tok_fiveoldstyle = "fiveoldstyle"_ostr;
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constexpr OString tok_sixoldstyle = "sixoldstyle"_ostr;
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constexpr OString tok_sevenoldstyle = "sevenoldstyle"_ostr;
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constexpr OString tok_eightoldstyle = "eightoldstyle"_ostr;
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constexpr OString tok_nineoldstile = "nineoldstile"_ostr;
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constexpr OString tok_commasuperior = "commasuperior"_ostr;
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constexpr OString tok_threequartersemdash = "threequartersemdash"_ostr;
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constexpr OString tok_periodsuperior = "periodsuperior"_ostr;
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constexpr OString tok_questionsmall = "questionsmall"_ostr;
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constexpr OString tok_asuperior = "asuperior"_ostr;
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constexpr OString tok_bsuperior = "bsuperior"_ostr;
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constexpr OString tok_centsuperior = "centsuperior"_ostr;
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constexpr OString tok_dsuperior = "dsuperior"_ostr;
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constexpr OString tok_esuperior = "esuperior"_ostr;
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constexpr OString tok_isuperior = "isuperior"_ostr;
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constexpr OString tok_lsuperior = "lsuperior"_ostr;
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constexpr OString tok_msuperior = "msuperior"_ostr;
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constexpr OString tok_nsuperior = "nsuperior"_ostr;
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constexpr OString tok_osuperior = "osuperior"_ostr;
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constexpr OString tok_rsuperior = "rsuperior"_ostr;
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constexpr OString tok_ssuperior = "ssuperior"_ostr;
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constexpr OString tok_tsuperior = "tsuperior"_ostr;
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constexpr OString tok_ff = "ff"_ostr;
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constexpr OString tok_ffi = "ffi"_ostr;
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constexpr OString tok_ffl = "ffl"_ostr;
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constexpr OString tok_parenleftinferior = "parenleftinferior"_ostr;
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constexpr OString tok_parenrightinferior = "parenrightinferior"_ostr;
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constexpr OString tok_Circumflexsmall = "Circumflexsmall"_ostr;
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constexpr OString tok_hyphensuperior = "hyphensuperior"_ostr;
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constexpr OString tok_Gravesmall = "Gravesmall"_ostr;
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constexpr OString tok_Asmall = "Asmall"_ostr;
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constexpr OString tok_Bsmall = "Bsmall"_ostr;
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constexpr OString tok_Csmall = "Csmall"_ostr;
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constexpr OString tok_Dsmall = "Dsmall"_ostr;
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constexpr OString tok_Esmall = "Esmall"_ostr;
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constexpr OString tok_Fsmall = "Fsmall"_ostr;
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constexpr OString tok_Gsmall = "Gsmall"_ostr;
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constexpr OString tok_Hsmall = "Hsmall"_ostr;
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constexpr OString tok_Ismall = "Ismall"_ostr;
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constexpr OString tok_Jsmall = "Jsmall"_ostr;
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constexpr OString tok_Ksmall = "Ksmall"_ostr;
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constexpr OString tok_Lsmall = "Lsmall"_ostr;
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constexpr OString tok_Msmall = "Msmall"_ostr;
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constexpr OString tok_Nsmall = "Nsmall"_ostr;
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constexpr OString tok_Osmall = "Osmall"_ostr;
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constexpr OString tok_Psmall = "Psmall"_ostr;
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constexpr OString tok_Qsmall = "Qsmall"_ostr;
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constexpr OString tok_Rsmall = "Rsmall"_ostr;
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constexpr OString tok_Ssmall = "Ssmall"_ostr;
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constexpr OString tok_Tsmall = "Tsmall"_ostr;
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constexpr OString tok_Usmall = "Usmall"_ostr;
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constexpr OString tok_Vsmall = "Vsmall"_ostr;
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constexpr OString tok_Wsmall = "Wsmall"_ostr;
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constexpr OString tok_Xsmall = "Xsmall"_ostr;
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constexpr OString tok_Ysmall = "Ysmall"_ostr;
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constexpr OString tok_Zsmall = "Zsmall"_ostr;
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constexpr OString tok_colonmonetary = "colonmonetary"_ostr;
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constexpr OString tok_onefitted = "onefitted"_ostr;
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constexpr OString tok_rupia = "rupia"_ostr;
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constexpr OString tok_Tildesmall = "Tildesmall"_ostr;
|
|
constexpr OString tok_exclamdownsmall = "exclamdownsmall"_ostr;
|
|
constexpr OString tok_centoldstyle = "centoldstyle"_ostr;
|
|
constexpr OString tok_Lslashsmall = "Lslashsmall"_ostr;
|
|
constexpr OString tok_Scaronsmall = "Scaronsmall"_ostr;
|
|
constexpr OString tok_Zcaronsmall = "Zcaronsmall"_ostr;
|
|
constexpr OString tok_Dieresissmall = "Dieresissmall"_ostr;
|
|
constexpr OString tok_Brevesmall = "Brevesmall"_ostr;
|
|
constexpr OString tok_Caronsmall = "Caronsmall"_ostr;
|
|
constexpr OString tok_Dotaccentsmall = "Dotaccentsmall"_ostr;
|
|
constexpr OString tok_Macronsmall = "Macronsmall"_ostr;
|
|
constexpr OString tok_figuredash = "figuredash"_ostr;
|
|
constexpr OString tok_hypheninferior = "hypheninferior"_ostr;
|
|
constexpr OString tok_Ogoneksmall = "Ogoneksmall"_ostr;
|
|
constexpr OString tok_Ringsmall = "Ringsmall"_ostr;
|
|
constexpr OString tok_Cedillasmall = "Cedillasmall"_ostr;
|
|
constexpr OString tok_questiondownsmall = "questiondownsmall"_ostr;
|
|
constexpr OString tok_oneeight = "oneeight"_ostr;
|
|
constexpr OString tok_threeeights = "threeeights"_ostr;
|
|
constexpr OString tok_fiveeights = "fiveeights"_ostr;
|
|
constexpr OString tok_seveneights = "seveneights"_ostr;
|
|
constexpr OString tok_onethird = "onethird"_ostr;
|
|
constexpr OString tok_twothirds = "twothirds"_ostr;
|
|
constexpr OString tok_zerosuperior = "zerosuperior"_ostr;
|
|
constexpr OString tok_foursuperior = "foursuperior"_ostr;
|
|
constexpr OString tok_fivesuperior = "fivesuperior"_ostr;
|
|
constexpr OString tok_sixsuperior = "sixsuperior"_ostr;
|
|
constexpr OString tok_sevensuperior = "sevensuperior"_ostr;
|
|
constexpr OString tok_eightsuperior = "eightsuperior"_ostr;
|
|
constexpr OString tok_ninesuperior = "ninesuperior"_ostr;
|
|
constexpr OString tok_zeroinferior = "zeroinferior"_ostr;
|
|
constexpr OString tok_oneinferior = "oneinferior"_ostr;
|
|
constexpr OString tok_twoinferior = "twoinferior"_ostr;
|
|
constexpr OString tok_threeinferior = "threeinferior"_ostr;
|
|
constexpr OString tok_fourinferior = "fourinferior"_ostr;
|
|
constexpr OString tok_fiveinferior = "fiveinferior"_ostr;
|
|
constexpr OString tok_sixinferior = "sixinferior"_ostr;
|
|
constexpr OString tok_seveninferior = "seveninferior"_ostr;
|
|
constexpr OString tok_eightinferior = "eightinferior"_ostr;
|
|
constexpr OString tok_nineinferior = "nineinferior"_ostr;
|
|
constexpr OString tok_centinferior = "centinferior"_ostr;
|
|
constexpr OString tok_dollarinferior = "dollarinferior"_ostr;
|
|
constexpr OString tok_periodinferior = "periodinferior"_ostr;
|
|
constexpr OString tok_commainferior = "commainferior"_ostr;
|
|
constexpr OString tok_Agravesmall = "Agravesmall"_ostr;
|
|
constexpr OString tok_Aacutesmall = "Aacutesmall"_ostr;
|
|
constexpr OString tok_Acircumflexsmall = "Acircumflexsmall"_ostr;
|
|
constexpr OString tok_Atildesmall = "Atildesmall"_ostr;
|
|
constexpr OString tok_Adieresissmall = "Adieresissmall"_ostr;
|
|
constexpr OString tok_Aringsmall = "Aringsmall"_ostr;
|
|
constexpr OString tok_AEsmall = "AEsmall"_ostr;
|
|
constexpr OString tok_Ccedillasmall = "Ccedillasmall"_ostr;
|
|
constexpr OString tok_Egravesmall = "Egravesmall"_ostr;
|
|
constexpr OString tok_Eacutesmall = "Eacutesmall"_ostr;
|
|
constexpr OString tok_Ecircumflexsmall = "Ecircumflexsmall"_ostr;
|
|
constexpr OString tok_Edieresissmall = "Edieresissmall"_ostr;
|
|
constexpr OString tok_Igravesmall = "Igravesmall"_ostr;
|
|
constexpr OString tok_Iacutesmall = "Iacutesmall"_ostr;
|
|
constexpr OString tok_Icircumflexsmall = "Icircumflexsmall"_ostr;
|
|
constexpr OString tok_Idieresissmall = "Idieresissmall"_ostr;
|
|
constexpr OString tok_Ethsmall = "Ethsmall"_ostr;
|
|
constexpr OString tok_Ntildesmall = "Ntildesmall"_ostr;
|
|
constexpr OString tok_Ogravesmall = "Ogravesmall"_ostr;
|
|
constexpr OString tok_Oacutesmall = "Oacutesmall"_ostr;
|
|
constexpr OString tok_Ocircumflexsmall = "Ocircumflexsmall"_ostr;
|
|
constexpr OString tok_Otildesmall = "Otildesmall"_ostr;
|
|
constexpr OString tok_Odieressissmall = "Odieressissmall"_ostr;
|
|
constexpr OString tok_OEsmall = "OEsmall"_ostr;
|
|
constexpr OString tok_Oslashsmall = "Oslashsmall"_ostr;
|
|
constexpr OString tok_Ugravesmall = "Ugravesmall"_ostr;
|
|
constexpr OString tok_Uacutesmall = "Uacutesmall"_ostr;
|
|
constexpr OString tok_Ucircumflexsmall = "Ucircumflexsmall"_ostr;
|
|
constexpr OString tok_Udieresissmall = "Udieresissmall"_ostr;
|
|
constexpr OString tok_Yacutesmall = "Yacutesmall"_ostr;
|
|
constexpr OString tok_Thornsmall = "Thornsmall"_ostr;
|
|
constexpr OString tok_Ydieresissmall = "Ydieresissmall"_ostr;
|
|
constexpr OString tok_001_000 = "001.000"_ostr;
|
|
constexpr OString tok_001_001 = "001.001"_ostr;
|
|
constexpr OString tok_001_002 = "001.002"_ostr;
|
|
constexpr OString tok_001_003 = "001.003"_ostr;
|
|
constexpr OString tok_Black = "Black"_ostr;
|
|
constexpr OString tok_Bold = "Bold"_ostr;
|
|
constexpr OString tok_Book = "Book"_ostr;
|
|
constexpr OString tok_Light = "Light"_ostr;
|
|
constexpr OString tok_Medium = "Medium"_ostr;
|
|
constexpr OString tok_Regular = "Regular"_ostr;
|
|
constexpr OString tok_Roman = "Roman"_ostr;
|
|
constexpr OString tok_Semibold = "Semibold"_ostr;
|
|
|
|
constexpr OString pStringIds[] = {
|
|
/*0*/ tok_notdef, tok_space, tok_exclam, tok_quotedbl,
|
|
tok_numbersign, tok_dollar, tok_percent, tok_ampersand,
|
|
tok_quoteright, tok_parenleft, tok_parenright, tok_asterisk,
|
|
tok_plus, tok_comma, tok_hyphen, tok_period,
|
|
/*16*/ tok_slash, tok_zero, tok_one, tok_two,
|
|
tok_three, tok_four, tok_five, tok_six,
|
|
tok_seven, tok_eight, tok_nine, tok_colon,
|
|
tok_semicolon, tok_less, tok_equal, tok_greater,
|
|
/*32*/ tok_question, tok_at, tok_A, tok_B,
|
|
tok_C, tok_D, tok_E, tok_F,
|
|
tok_G, tok_H, tok_I, tok_J,
|
|
tok_K, tok_L, tok_M, tok_N,
|
|
/*48*/ tok_O, tok_P, tok_Q, tok_R,
|
|
tok_S, tok_T, tok_U, tok_V,
|
|
tok_W, tok_X, tok_Y, tok_Z,
|
|
tok_bracketleft, tok_backslash, tok_bracketright, tok_asciicircum,
|
|
/*64*/ tok_underscore, tok_quoteleft, tok_a, tok_b,
|
|
tok_c, tok_d, tok_e, tok_f,
|
|
tok_g, tok_h, tok_i, tok_j,
|
|
tok_k, tok_l, tok_m, tok_n,
|
|
/*80*/ tok_o, tok_p, tok_q, tok_r,
|
|
tok_s, tok_t, tok_u, tok_v,
|
|
tok_w, tok_x, tok_y, tok_z,
|
|
tok_braceleft, tok_bar, tok_braceright, tok_asciitilde,
|
|
/*96*/ tok_exclamdown, tok_cent, tok_sterlin, tok_fraction,
|
|
tok_yen, tok_florin, tok_section, tok_currency,
|
|
tok_quotesingle, tok_quotedblleft, tok_guillemotleft, tok_guilsinglleft,
|
|
tok_guilsinglright, tok_fi, tok_fl, tok_endash,
|
|
/*112*/ tok_dagger, tok_daggerdbl, tok_periodcentered, tok_paragraph,
|
|
tok_bullet, tok_quotesinglbase, tok_quotedblbase, tok_quotedblright,
|
|
tok_guillemotright, tok_ellipsis, tok_perthousand, tok_questiondown,
|
|
tok_grave, tok_acute, tok_circumflex, tok_tilde,
|
|
/*128*/ tok_macron, tok_breve, tok_dotaccent, tok_dieresis,
|
|
tok_ring, tok_cedilla, tok_hungarumlaut, tok_ogonek,
|
|
tok_caron, tok_emdash, tok_AE, tok_ordfeminine,
|
|
tok_Lslash, tok_Oslash, tok_OE, tok_ordmasculine,
|
|
/*144*/ tok_ae, tok_dotlessi, tok_lslash, tok_oslash,
|
|
tok_oe, tok_germandbls, tok_onesuperior, tok_logicalnot,
|
|
tok_mu, tok_trademark, tok_Eth, tok_onehalf,
|
|
tok_plusminus, tok_Thorn, tok_onequarter, tok_divide,
|
|
/*160*/ tok_brokenbar, tok_degree, tok_thorn, tok_threequarters,
|
|
tok_twosuperior, tok_registered, tok_minus, tok_eth,
|
|
tok_multiply, tok_threesuperior, tok_copyright, tok_Aacute,
|
|
tok_Acircumflex, tok_Adieresis, tok_Agrave, tok_Aring,
|
|
/*176*/ tok_Atilde, tok_Ccedilla, tok_Eacute, tok_Ecircumflex,
|
|
tok_Edieresis, tok_Egrave, tok_Iacute, tok_Icircumflex,
|
|
tok_Idieresis, tok_Igrave, tok_Ntilde, tok_Oacute,
|
|
tok_Ocircumflex, tok_Odieresis, tok_Ograve, tok_Otilde,
|
|
/*192*/ tok_Scaron, tok_Uacute, tok_Ucircumflex, tok_Udieresis,
|
|
tok_Ugrave, tok_Yacute, tok_Ydieresis, tok_Zcaron,
|
|
tok_aacute, tok_acircumflex, tok_adieresis, tok_agrave,
|
|
tok_aring, tok_atilde, tok_ccedilla, tok_eacute,
|
|
/*208*/ tok_ecircumflex, tok_edieresis, tok_egrave, tok_iacute,
|
|
tok_icircumflex, tok_idieresis, tok_igrave, tok_ntilde,
|
|
tok_oacute, tok_ocircumflex, tok_odieresis, tok_ograve,
|
|
tok_otilde, tok_scaron, tok_uacute, tok_ucircumflex,
|
|
/*224*/ tok_udieresis, tok_ugrave, tok_yacute, tok_ydieresis,
|
|
tok_zcaron, tok_exclamsmall, tok_Hungarumlautsmall,tok_dollaroldstyle,
|
|
tok_dollarsuperior, tok_ampersandsmall, tok_Acutesmall, tok_parenleftsuperior,
|
|
tok_parenrightsuperior,tok_twodotenleader, tok_onedotenleader, tok_zerooldstyle,
|
|
/*240*/ tok_oneoldstyle, tok_twooldstyle, tok_threeoldstyle, tok_fouroldstyle,
|
|
tok_fiveoldstyle, tok_sixoldstyle, tok_sevenoldstyle, tok_eightoldstyle,
|
|
tok_nineoldstile, tok_commasuperior, tok_threequartersemdash,tok_periodsuperior,
|
|
tok_questionsmall, tok_asuperior, tok_bsuperior, tok_centsuperior,
|
|
/*256*/ tok_dsuperior, tok_esuperior, tok_isuperior, tok_lsuperior,
|
|
tok_msuperior, tok_nsuperior, tok_osuperior, tok_rsuperior,
|
|
tok_ssuperior, tok_tsuperior, tok_ff, tok_ffi,
|
|
tok_ffl, tok_parenleftinferior,tok_parenrightinferior,tok_Circumflexsmall,
|
|
/*272*/ tok_hyphensuperior,tok_Gravesmall, tok_Asmall, tok_Bsmall,
|
|
tok_Csmall, tok_Dsmall, tok_Esmall, tok_Fsmall,
|
|
tok_Gsmall, tok_Hsmall, tok_Ismall, tok_Jsmall,
|
|
tok_Ksmall, tok_Lsmall, tok_Msmall, tok_Nsmall,
|
|
/*288*/ tok_Osmall, tok_Psmall, tok_Qsmall, tok_Rsmall,
|
|
tok_Ssmall, tok_Tsmall, tok_Usmall, tok_Vsmall,
|
|
tok_Wsmall, tok_Xsmall, tok_Ysmall, tok_Zsmall,
|
|
tok_colonmonetary, tok_onefitted, tok_rupia, tok_Tildesmall,
|
|
/*304*/ tok_exclamdownsmall,tok_centoldstyle, tok_Lslashsmall, tok_Scaronsmall,
|
|
tok_Zcaronsmall, tok_Dieresissmall, tok_Brevesmall, tok_Caronsmall,
|
|
tok_Dotaccentsmall, tok_Macronsmall, tok_figuredash, tok_hypheninferior,
|
|
tok_Ogoneksmall, tok_Ringsmall, tok_Cedillasmall, tok_questiondownsmall,
|
|
/*320*/ tok_oneeight, tok_threeeights, tok_fiveeights, tok_seveneights,
|
|
tok_onethird, tok_twothirds, tok_zerosuperior, tok_foursuperior,
|
|
tok_fivesuperior, tok_sixsuperior, tok_sevensuperior, tok_eightsuperior,
|
|
tok_ninesuperior, tok_zeroinferior, tok_oneinferior, tok_twoinferior,
|
|
/*336*/ tok_threeinferior,tok_fourinferior, tok_fiveinferior, tok_sixinferior,
|
|
tok_seveninferior, tok_eightinferior, tok_nineinferior, tok_centinferior,
|
|
tok_dollarinferior, tok_periodinferior, tok_commainferior, tok_Agravesmall,
|
|
tok_Aacutesmall, tok_Acircumflexsmall, tok_Atildesmall, tok_Adieresissmall,
|
|
/*352*/ tok_Aringsmall, tok_AEsmall, tok_Ccedillasmall, tok_Egravesmall,
|
|
tok_Eacutesmall, tok_Ecircumflexsmall, tok_Edieresissmall, tok_Igravesmall,
|
|
tok_Iacutesmall, tok_Icircumflexsmall, tok_Idieresissmall, tok_Ethsmall,
|
|
tok_Ntildesmall, tok_Ogravesmall, tok_Oacutesmall, tok_Ocircumflexsmall,
|
|
/*368*/ tok_Otildesmall, tok_Odieressissmall, tok_OEsmall, tok_Oslashsmall,
|
|
tok_Ugravesmall, tok_Uacutesmall, tok_Ucircumflexsmall, tok_Udieresissmall,
|
|
tok_Yacutesmall, tok_Thornsmall, tok_Ydieresissmall, tok_001_000,
|
|
tok_001_001, tok_001_002, tok_001_003, tok_Black,
|
|
/*384*/ tok_Bold, tok_Book, tok_Light, tok_Medium,
|
|
tok_Regular, tok_Roman, tok_Semibold
|
|
};
|
|
|
|
// TOP DICT keywords (also covers PRIV DICT keywords)
|
|
static const char* pDictOps[] = {
|
|
"sVersion", "sNotice", "sFullName", "sFamilyName",
|
|
"sWeight", "aFontBBox", "dBlueValues", "dOtherBlues",
|
|
"dFamilyBlues", "dFamilyOtherBlues", "nStdHW", "nStdVW",
|
|
"xESC", "nUniqueID", "aXUID", "nCharset",
|
|
"nEncoding", "nCharStrings", "PPrivate", "nSubrs",
|
|
"nDefaultWidthX", "nNominalWidthX", nullptr, nullptr,
|
|
nullptr, nullptr, nullptr, nullptr,
|
|
"shortint", "longint", "BCD", nullptr
|
|
};
|
|
|
|
// TOP DICT escapes (also covers PRIV DICT escapes)
|
|
static const char* pDictEscs[] = {
|
|
"sCopyright", "bIsFixedPitch", "nItalicAngle", "nUnderlinePosition",
|
|
"nUnderlineThickness", "nPaintType", "tCharstringType", "aFontMatrix",
|
|
"nStrokeWidth", "nBlueScale", "nBlueShift", "nBlueFuzz",
|
|
"dStemSnapH", "dStemSnapV", "bForceBold", nullptr,
|
|
nullptr, "nLanguageGroup", "nExpansionFactor", "nInitialRandomSeed",
|
|
"nSyntheticBase", "sPostScript", "sBaseFontName", "dBaseFontBlend",
|
|
nullptr, nullptr, nullptr, nullptr,
|
|
nullptr, nullptr, "rROS", "nCIDFontVersion",
|
|
"nCIDFontRevision", "nCIDFontType", "nCIDCount", "nUIDBase",
|
|
"nFDArray", "nFDSelect", "sFontName"
|
|
};
|
|
|
|
static const char* pStandardEncoding[] = {
|
|
".notdef", ".notdef", ".notdef", ".notdef", ".notdef",
|
|
".notdef", ".notdef", ".notdef", ".notdef", ".notdef",
|
|
".notdef", ".notdef", ".notdef", ".notdef", ".notdef",
|
|
".notdef", ".notdef", ".notdef", ".notdef", ".notdef",
|
|
".notdef", ".notdef", ".notdef", ".notdef", ".notdef",
|
|
".notdef", ".notdef", ".notdef", ".notdef", ".notdef",
|
|
".notdef", ".notdef", "space", "exclam", "quotedbl",
|
|
"numbersign", "dollar", "percent", "ampersand",
|
|
"quoteright", "parenleft", "parenright", "asterisk", "plus",
|
|
"comma", "hyphen", "period", "slash", "zero", "one", "two",
|
|
"three", "four", "five", "six", "seven", "eight", "nine",
|
|
"colon", "semicolon", "less", "equal", "greater",
|
|
"question", "at", "A", "B", "C", "D", "E", "F", "G", "H",
|
|
"I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T",
|
|
"U", "V", "W", "X", "Y", "Z", "bracketleft", "backslash",
|
|
"bracketright", "asciicircum", "underscore", "quoteleft",
|
|
"a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l",
|
|
"m", "n", "o", "p", "q", "r", "s", "t", "u", "v", "w", "x",
|
|
"y", "z", "braceleft", "bar", "braceright", "asciitilde",
|
|
".notdef", ".notdef", ".notdef", ".notdef", ".notdef",
|
|
".notdef", ".notdef", ".notdef", ".notdef", ".notdef",
|
|
".notdef", ".notdef", ".notdef", ".notdef", ".notdef",
|
|
".notdef", ".notdef", ".notdef", ".notdef", ".notdef",
|
|
".notdef", ".notdef", ".notdef", ".notdef", ".notdef",
|
|
".notdef", ".notdef", ".notdef", ".notdef", ".notdef",
|
|
".notdef", ".notdef", ".notdef", ".notdef", "exclamdown",
|
|
"cent", "sterling", "fraction", "yen", "florin", "section",
|
|
"currency", "quotesingle", "quotedblleft", "guillemotleft",
|
|
"guilsinglleft", "guilsinglright", "fi", "fl", ".notdef",
|
|
"endash", "dagger", "daggerdbl", "periodcentered",
|
|
".notdef", "paragraph", "bullet", "quotesinglbase",
|
|
"quotedblbase", "quotedblright", "guillemotright",
|
|
"ellipsis", "perthousand", ".notdef", "questiondown",
|
|
".notdef", "grave", "acute", "circumflex", "tilde",
|
|
"macron", "breve", "dotaccent", "dieresis", ".notdef",
|
|
"ring", "cedilla", ".notdef", "hungarumlaut", "ogonek",
|
|
"caron", "emdash", ".notdef", ".notdef", ".notdef",
|
|
".notdef", ".notdef", ".notdef", ".notdef", ".notdef",
|
|
".notdef", ".notdef", ".notdef", ".notdef", ".notdef",
|
|
".notdef", ".notdef", ".notdef", "AE", ".notdef",
|
|
"ordfeminine", ".notdef", ".notdef", ".notdef", ".notdef",
|
|
"Lslash", "Oslash", "OE", "ordmasculine", ".notdef",
|
|
".notdef", ".notdef", ".notdef", ".notdef", "ae", ".notdef",
|
|
".notdef", ".notdef", "dotlessi", ".notdef", ".notdef",
|
|
"lslash", "oslash", "oe", "germandbls", ".notdef",
|
|
".notdef", ".notdef", ".notdef"
|
|
};
|
|
|
|
namespace {
|
|
|
|
namespace TYPE1OP
|
|
{
|
|
enum OPS
|
|
{
|
|
HSTEM=1, VSTEM=3, VMOVETO=4, RLINETO=5,
|
|
HLINETO=6, VLINETO=7, RCURVETO=8, CLOSEPATH=9,
|
|
CALLSUBR=10, RETURN=11, T1ESC=12, HSBW=13,
|
|
ENDCHAR=14, RMOVETO=21, HMOVETO=22, VHCURVETO=30,
|
|
HVCURVETO=31
|
|
};
|
|
|
|
enum ESCS
|
|
{
|
|
DOTSECTION=0, VSTEM3=1, HSTEM3=2, SEAC=6,
|
|
SBW=7, ABS=9, ADD=10, SUB=11,
|
|
DIV=12, CALLOTHERSUBR=16, POP=17, SETCURRENTPOINT=33
|
|
};
|
|
}
|
|
|
|
namespace TYPE2OP
|
|
{
|
|
enum OPS
|
|
{
|
|
HSTEM=1, VSTEM=3, VMOVETO=4, RLINETO=5,
|
|
HLINETO=6, VLINETO=7, RCURVETO=8, CALLSUBR=10,
|
|
RETURN=11, T2ESC=12, ENDCHAR=14, HSTEMHM=18,
|
|
HINTMASK=19, CNTRMASK=20, RMOVETO=21, HMOVETO=22,
|
|
VSTEMHM=23, RCURVELINE=24, RLINECURVE=25, VVCURVETO=26,
|
|
HHCURVETO=27, SHORTINT=28, CALLGSUBR=29, VHCURVETO=30,
|
|
HVCURVETO=31
|
|
};
|
|
|
|
enum ESCS
|
|
{
|
|
AND=3, OR=4, NOT=5, ABS=9,
|
|
ADD=10, SUB=11, DIV=12, NEG=14,
|
|
EQ=15, DROP=18, PUT=20, GET=21,
|
|
IFELSE=22, RANDOM=23, MUL=24, SQRT=26,
|
|
DUP=27, EXCH=28, INDEX=29, ROLL=30,
|
|
HFLEX=34, FLEX=35, HFLEX1=36, FLEX1=37
|
|
};
|
|
}
|
|
|
|
struct CffGlobal
|
|
{
|
|
explicit CffGlobal();
|
|
|
|
int mnNameIdxBase;
|
|
int mnStringIdxBase;
|
|
bool mbCIDFont;
|
|
int mnCharStrBase;
|
|
int mnCharStrCount;
|
|
int mnCharsetBase;
|
|
int mnGlobalSubrBase;
|
|
int mnGlobalSubrCount;
|
|
int mnGlobalSubrBias;
|
|
int mnFDSelectBase;
|
|
int mnFontDictBase;
|
|
int mnFDAryCount;
|
|
|
|
std::vector<ValType> maFontBBox;
|
|
std::vector<ValType> maFontMatrix;
|
|
|
|
int mnFontNameSID;
|
|
int mnFullNameSID;
|
|
};
|
|
|
|
struct CffLocal
|
|
{
|
|
explicit CffLocal();
|
|
|
|
int mnPrivDictBase;
|
|
int mnPrivDictSize;
|
|
int mnLocalSubrOffs;
|
|
int mnLocalSubrBase;
|
|
int mnLocalSubrBias;
|
|
|
|
ValType maNominalWidth;
|
|
ValType maDefaultWidth;
|
|
|
|
// ATM hinting related values
|
|
ValType maStemStdHW;
|
|
ValType maStemStdVW;
|
|
std::vector<ValType> maStemSnapH;
|
|
std::vector<ValType> maStemSnapV;
|
|
std::vector<ValType> maBlueValues;
|
|
std::vector<ValType> maOtherBlues;
|
|
std::vector<ValType> maFamilyBlues;
|
|
std::vector<ValType> maFamilyOtherBlues;
|
|
RealType mfBlueScale;
|
|
RealType mfBlueShift;
|
|
RealType mfBlueFuzz;
|
|
RealType mfExpFactor;
|
|
int mnLangGroup;
|
|
bool mbForceBold;
|
|
};
|
|
|
|
const int MAX_T1OPS_SIZE = 81920; // TODO: use dynamic value
|
|
|
|
struct CharString
|
|
{
|
|
int nLen;
|
|
U8 aOps[MAX_T1OPS_SIZE];
|
|
int nCffGlyphId;
|
|
};
|
|
|
|
|
|
class CffSubsetterContext
|
|
: private CffGlobal
|
|
{
|
|
public:
|
|
static const int NMAXSTACK = 48; // see CFF.appendixB
|
|
static const int NMAXHINTS = 2*96; // see CFF.appendixB
|
|
static const int NMAXTRANS = 32; // see CFF.appendixB
|
|
|
|
explicit CffSubsetterContext( const U8* pBasePtr, int nBaseLen);
|
|
|
|
bool initialCffRead();
|
|
void emitAsType1( class Type1Emitter&,
|
|
const sal_GlyphId* pGlyphIds, const U8* pEncoding,
|
|
int nGlyphCount, FontSubsetInfo& );
|
|
|
|
private:
|
|
void convertCharStrings(const sal_GlyphId* pGlyphIds, int nGlyphCount,
|
|
std::vector<CharString>& rCharStrings);
|
|
int convert2Type1Ops( CffLocal*, const U8* pType2Ops, int nType2Len, U8* pType1Ops);
|
|
void convertOneTypeOp();
|
|
void convertOneTypeEsc();
|
|
void callType2Subr( bool bGlobal, int nSubrNumber);
|
|
sal_Int32 getReadOfs() const { return static_cast<sal_Int32>(mpReadPtr - mpBasePtr);}
|
|
|
|
const U8* mpBasePtr;
|
|
const U8* mpBaseEnd;
|
|
|
|
const U8* mpReadPtr;
|
|
const U8* mpReadEnd;
|
|
|
|
U8* mpWritePtr;
|
|
bool mbNeedClose;
|
|
bool mbIgnoreHints;
|
|
sal_Int32 mnCntrMask;
|
|
|
|
int seekIndexData( int nIndexBase, int nDataIndex);
|
|
void seekIndexEnd( int nIndexBase);
|
|
|
|
CffLocal maCffLocal[256];
|
|
CffLocal* mpCffLocal;
|
|
|
|
void readDictOp();
|
|
RealType readRealVal();
|
|
OString getString( int nStringID);
|
|
int getFDSelect( int nGlyphIndex) const;
|
|
int getGlyphSID( int nGlyphIndex) const;
|
|
OString getGlyphName( int nGlyphIndex);
|
|
bool getBaseAccent(ValType aBase, ValType aAccent, int* nBase, int* nAccent);
|
|
|
|
void read2push();
|
|
void writeType1Val( ValType);
|
|
void writeTypeOp( int nTypeOp);
|
|
void writeTypeEsc( int nTypeOp);
|
|
void writeCurveTo( int nStackPos, int nIX1, int nIY1, int nIX2, int nIY2, int nIX3, int nIY3);
|
|
void pop2MultiWrite( int nArgsPerTypo, int nTypeOp, int nTypeXor=0);
|
|
void popAll2Write( int nTypeOp);
|
|
|
|
public: // TODO: is public really needed?
|
|
// accessing the value stack
|
|
// TODO: add more checks
|
|
void push( ValType nVal) { mnValStack[ mnStackIdx++] = nVal;}
|
|
ValType popVal() { return ((mnStackIdx>0) ? mnValStack[ --mnStackIdx] : 0);}
|
|
ValType getVal( int nIndex) const { return mnValStack[ nIndex];}
|
|
int popInt();
|
|
int size() const { return mnStackIdx;}
|
|
void clear() { mnStackIdx = 0;}
|
|
|
|
// accessing the charstring hints
|
|
void addHints( bool bVerticalHints);
|
|
|
|
// accessing other charstring specifics
|
|
void updateWidth( bool bUseFirstVal);
|
|
|
|
private:
|
|
// typeop execution context
|
|
int mnStackIdx;
|
|
ValType mnValStack[ NMAXSTACK+4];
|
|
ValType mnTransVals[ NMAXTRANS];
|
|
|
|
int mnHintSize;
|
|
int mnHorzHintSize;
|
|
ValType mnHintStack[ NMAXHINTS];
|
|
|
|
ValType maCharWidth;
|
|
|
|
bool mbDoSeac;
|
|
std::vector<sal_GlyphId> maExtraGlyphIds;
|
|
};
|
|
|
|
}
|
|
|
|
CffSubsetterContext::CffSubsetterContext( const U8* pBasePtr, int nBaseLen)
|
|
: mpBasePtr( pBasePtr)
|
|
, mpBaseEnd( pBasePtr+nBaseLen)
|
|
, mpReadPtr(nullptr)
|
|
, mpReadEnd(nullptr)
|
|
, mpWritePtr(nullptr)
|
|
, mbNeedClose(false)
|
|
, mbIgnoreHints(false)
|
|
, mnCntrMask(0)
|
|
, mnStackIdx(0)
|
|
, mnValStack{}
|
|
, mnTransVals{}
|
|
, mnHintSize(0)
|
|
, mnHorzHintSize(0)
|
|
, mnHintStack{}
|
|
, maCharWidth(-1)
|
|
, mbDoSeac(true)
|
|
{
|
|
// setCharStringType( 1);
|
|
// TODO: new CffLocal[ mnFDAryCount];
|
|
mpCffLocal = &maCffLocal[0];
|
|
}
|
|
|
|
inline int CffSubsetterContext::popInt()
|
|
{
|
|
const ValType aVal = popVal();
|
|
const int nInt = static_cast<int>(aVal);
|
|
assert( nInt == aVal);
|
|
return nInt;
|
|
}
|
|
|
|
inline void CffSubsetterContext::updateWidth( bool bUseFirstVal)
|
|
{
|
|
// the first value is not a hint but the charwidth
|
|
if( maCharWidth>0 )
|
|
return;
|
|
|
|
if( bUseFirstVal) {
|
|
maCharWidth = mpCffLocal->maNominalWidth + mnValStack[0];
|
|
// remove bottom stack entry
|
|
--mnStackIdx;
|
|
for( int i = 0; i < mnStackIdx; ++i)
|
|
mnValStack[ i] = mnValStack[ i+1];
|
|
} else {
|
|
maCharWidth = mpCffLocal->maDefaultWidth;
|
|
}
|
|
}
|
|
|
|
void CffSubsetterContext::addHints( bool bVerticalHints)
|
|
{
|
|
// the first charstring value may a charwidth instead of a charwidth
|
|
updateWidth( (mnStackIdx & 1) != 0);
|
|
// return early (e.g. no implicit hints for hintmask)
|
|
if( !mnStackIdx)
|
|
return;
|
|
|
|
// copy the remaining values to the hint arrays
|
|
// assert( (mnStackIdx & 1) == 0); // depends on called subrs
|
|
if( mnStackIdx & 1) --mnStackIdx;//#######
|
|
// TODO: if( !bSubr) assert( mnStackIdx >= 2);
|
|
|
|
assert( (mnHintSize + mnStackIdx) <= 2*NMAXHINTS);
|
|
|
|
ValType nHintOfs = 0;
|
|
for( int i = 0; i < mnStackIdx; ++i) {
|
|
nHintOfs += mnValStack[ i ];
|
|
mnHintStack[ mnHintSize++] = nHintOfs;
|
|
}
|
|
|
|
if( !bVerticalHints)
|
|
mnHorzHintSize = mnHintSize;
|
|
|
|
// clear all values from the stack
|
|
mnStackIdx = 0;
|
|
}
|
|
|
|
void CffSubsetterContext::readDictOp()
|
|
{
|
|
const U8 c = *mpReadPtr;
|
|
if( c <= 21 ) {
|
|
int nOpId = *(mpReadPtr++);
|
|
const char* pCmdName = nullptr;
|
|
if( nOpId != 12)
|
|
pCmdName = pDictOps[nOpId];
|
|
else {
|
|
const U8 nExtId = *(mpReadPtr++);
|
|
if (nExtId < 39)
|
|
pCmdName = pDictEscs[nExtId];
|
|
nOpId = 900 + nExtId;
|
|
}
|
|
|
|
if (!pCmdName) // skip reserved operators
|
|
return;
|
|
|
|
//TODO: if( nStackIdx > 0)
|
|
int nInt = 0;
|
|
switch( *pCmdName) {
|
|
default: SAL_WARN("vcl.fonts", "unsupported DictOp.type='" << *pCmdName << "'."); break;
|
|
case 'b': // bool
|
|
nInt = popInt();
|
|
switch( nOpId) {
|
|
case 915: mpCffLocal->mbForceBold = nInt; break; // "ForceBold"
|
|
default: break; // TODO: handle more boolean dictops?
|
|
}
|
|
break;
|
|
case 'n': { // dict-op number
|
|
ValType nVal = popVal();
|
|
nInt = static_cast<int>(nVal);
|
|
switch( nOpId) {
|
|
case 10: mpCffLocal->maStemStdHW = nVal; break; // "StdHW"
|
|
case 11: mpCffLocal->maStemStdVW = nVal; break; // "StdVW"
|
|
case 15: mnCharsetBase = nInt; break; // "charset"
|
|
case 16: break; // "nEncoding"
|
|
case 17: mnCharStrBase = nInt; break; // "nCharStrings"
|
|
case 19: mpCffLocal->mnLocalSubrOffs = nInt; break;// "nSubrs"
|
|
case 20: mpCffLocal->maDefaultWidth = nVal; break; // "defaultWidthX"
|
|
case 21: mpCffLocal->maNominalWidth = nVal; break; // "nominalWidthX"
|
|
case 909: mpCffLocal->mfBlueScale = nVal; break; // "BlueScale"
|
|
case 910: mpCffLocal->mfBlueShift = nVal; break; // "BlueShift"
|
|
case 911: mpCffLocal->mfBlueFuzz = nVal; break; // "BlueFuzz"
|
|
case 912: mpCffLocal->mfExpFactor = nVal; break; // "ExpansionFactor"
|
|
case 917: mpCffLocal->mnLangGroup = nInt; break; // "LanguageGroup"
|
|
case 936: mnFontDictBase = nInt; break; // "nFDArray"
|
|
case 937: mnFDSelectBase = nInt; break; // "nFDSelect"
|
|
default: break; // TODO: handle more numeric dictops?
|
|
}
|
|
} break;
|
|
case 'a': { // array
|
|
switch( nOpId) {
|
|
case 5: maFontBBox.clear(); break; // "FontBBox"
|
|
case 907: maFontMatrix.clear(); break; // "FontMatrix"
|
|
default: break; // TODO: reset other arrays?
|
|
}
|
|
for( int i = 0; i < size(); ++i ) {
|
|
ValType nVal = getVal(i);
|
|
switch( nOpId) {
|
|
case 5: maFontBBox.push_back( nVal); break; // "FontBBox"
|
|
case 907: maFontMatrix.push_back( nVal); break; // "FontMatrix"
|
|
default: break; // TODO: handle more array dictops?
|
|
}
|
|
}
|
|
clear();
|
|
} break;
|
|
case 'd': { // delta array
|
|
ValType nVal = 0;
|
|
for( int i = 0; i < size(); ++i ) {
|
|
nVal += getVal(i);
|
|
switch( nOpId) {
|
|
case 6: mpCffLocal->maBlueValues.push_back( nVal); break; // "BlueValues"
|
|
case 7: mpCffLocal->maOtherBlues.push_back( nVal); break; // "OtherBlues"
|
|
case 8: mpCffLocal->maFamilyBlues.push_back( nVal); break; // "FamilyBlues"
|
|
case 9: mpCffLocal->maFamilyOtherBlues.push_back( nVal); break;// "FamilyOtherBlues"
|
|
case 912: mpCffLocal->maStemSnapH.push_back( nVal); break; // "StemSnapH"
|
|
case 913: mpCffLocal->maStemSnapV.push_back( nVal); break; // "StemSnapV"
|
|
default: break; // TODO: handle more delta-array dictops?
|
|
}
|
|
}
|
|
clear();
|
|
} break;
|
|
case 's': // stringid (SID)
|
|
nInt = popInt();
|
|
switch( nOpId ) {
|
|
case 2: mnFullNameSID = nInt; break; // "FullName"
|
|
case 3: break; // "FamilyName"
|
|
case 938: mnFontNameSID = nInt; break; // "FontName"
|
|
default: break; // TODO: handle more string dictops?
|
|
}
|
|
break;
|
|
case 'P': // private dict
|
|
mpCffLocal->mnPrivDictBase = popInt();
|
|
mpCffLocal->mnPrivDictSize = popInt();
|
|
break;
|
|
case 'r': { // ROS operands
|
|
popInt(); // TODO: use sid1
|
|
popInt(); // TODO: use sid2
|
|
popVal();
|
|
mbCIDFont = true;
|
|
} break;
|
|
case 't': // CharstringType
|
|
popInt();
|
|
break;
|
|
}
|
|
} else if( (c >= 32) || (c == 28) ) {
|
|
// --mpReadPtr;
|
|
read2push();
|
|
} else if( c == 29 ) { // longint
|
|
++mpReadPtr; // skip 29
|
|
sal_Int32 nS32 = mpReadPtr[0] << 24;
|
|
nS32 += mpReadPtr[1] << 16;
|
|
nS32 += mpReadPtr[2] << 8;
|
|
nS32 += mpReadPtr[3] << 0;
|
|
mpReadPtr += 4;
|
|
ValType nVal = static_cast<ValType>(nS32);
|
|
push( nVal );
|
|
} else if( c == 30) { // real number
|
|
++mpReadPtr; // skip 30
|
|
const RealType fReal = readRealVal();
|
|
// push value onto stack
|
|
ValType nVal = fReal;
|
|
push( nVal);
|
|
}
|
|
}
|
|
|
|
void CffSubsetterContext::read2push()
|
|
{
|
|
ValType aVal = 0;
|
|
|
|
const U8*& p = mpReadPtr;
|
|
const U8 c = *p;
|
|
if( c == 28 ) {
|
|
sal_Int16 nS16 = (p[1] << 8) + p[2];
|
|
aVal = nS16;
|
|
p += 3;
|
|
} else if( c <= 246 ) { // -107..+107
|
|
aVal = static_cast<ValType>(p[0] - 139);
|
|
p += 1;
|
|
} else if( c <= 250 ) { // +108..+1131
|
|
aVal = static_cast<ValType>(((p[0] << 8) + p[1]) - 63124);
|
|
p += 2;
|
|
} else if( c <= 254 ) { // -108..-1131
|
|
aVal = static_cast<ValType>(64148 - ((p[0] << 8) + p[1]));
|
|
p += 2;
|
|
} else /*if( c == 255)*/ { // Fixed16.16
|
|
int nS32 = (p[1] << 24) + (p[2] << 16) + (p[3] << 8) + p[4];
|
|
if( (sizeof(nS32) != 2) && (nS32 & (1U<<31)))
|
|
nS32 |= (~0U) << 31; // assuming 2s complement
|
|
aVal = static_cast<ValType>(nS32 * (1.0 / 0x10000));
|
|
p += 5;
|
|
}
|
|
|
|
push( aVal);
|
|
}
|
|
|
|
void CffSubsetterContext::writeType1Val( ValType aVal)
|
|
{
|
|
U8* pOut = mpWritePtr;
|
|
|
|
// tdf#126242
|
|
// Type2 has 16.16 fixed numbers, but Type1 does not. To represent values
|
|
// with fractions we multiply it by a factor then use “div” operator to
|
|
// divide it back and keep the fractions.
|
|
// Code Adapted from:
|
|
// https://github.com/fontforge/fontforge/blob/f152f12e567ea5bd737a2907c318ae26cfaabd08/fontforge/splinesave.c#L378
|
|
int nDiv = 0;
|
|
aVal = rint(aVal * 1024) / 1024;
|
|
if (aVal != floor(aVal))
|
|
{
|
|
if (aVal == rint(aVal * 64) / 64)
|
|
nDiv = 64;
|
|
else
|
|
nDiv = 1024;
|
|
aVal *= nDiv;
|
|
}
|
|
|
|
int nInt = static_cast<int>(rint(aVal));
|
|
if (nDiv && floor(nInt) / nDiv == floor(nInt / nDiv))
|
|
{
|
|
nInt = rint(nInt / nDiv);
|
|
nDiv = 0;
|
|
}
|
|
|
|
if( (nInt >= -107) && (nInt <= +107)) {
|
|
*(pOut++) = static_cast<U8>(nInt + 139); // -107..+107
|
|
} else if( (nInt >= -1131) && (nInt <= +1131)) {
|
|
if( nInt >= 0)
|
|
nInt += 63124; // +108..+1131
|
|
else
|
|
nInt = 64148 - nInt; // -108..-1131
|
|
*(pOut++) = static_cast<U8>(nInt >> 8);
|
|
*(pOut++) = static_cast<U8>(nInt);
|
|
} else {
|
|
// numtype==255 means int32 for Type1, but 16.16 for Type2 charstrings!!!
|
|
*(pOut++) = 255;
|
|
*(pOut++) = static_cast<U8>(nInt >> 24);
|
|
*(pOut++) = static_cast<U8>(nInt >> 16);
|
|
*(pOut++) = static_cast<U8>(nInt >> 8);
|
|
*(pOut++) = static_cast<U8>(nInt);
|
|
}
|
|
|
|
mpWritePtr = pOut;
|
|
|
|
if (nDiv)
|
|
{
|
|
writeType1Val(nDiv);
|
|
writeTypeEsc(TYPE1OP::DIV);
|
|
}
|
|
}
|
|
|
|
inline void CffSubsetterContext::writeTypeOp( int nTypeOp)
|
|
{
|
|
*(mpWritePtr++) = static_cast<U8>(nTypeOp);
|
|
}
|
|
|
|
inline void CffSubsetterContext::writeTypeEsc( int nTypeEsc)
|
|
{
|
|
*(mpWritePtr++) = TYPE1OP::T1ESC;
|
|
*(mpWritePtr++) = static_cast<U8>(nTypeEsc);
|
|
}
|
|
|
|
void CffSubsetterContext::pop2MultiWrite( int nArgsPerTypo, int nTypeOp, int nTypeXor)
|
|
{
|
|
for( int i = 0; i < mnStackIdx;) {
|
|
for( int j = 0; j < nArgsPerTypo; ++j) {
|
|
const ValType aVal = mnValStack[i+j];
|
|
writeType1Val( aVal);
|
|
}
|
|
i += nArgsPerTypo;
|
|
writeTypeOp( nTypeOp);
|
|
nTypeOp ^= nTypeXor; // for toggling vlineto/hlineto
|
|
}
|
|
clear();
|
|
}
|
|
|
|
void CffSubsetterContext::popAll2Write( int nTypeOp)
|
|
{
|
|
// pop in reverse order, then write
|
|
for( int i = 0; i < mnStackIdx; ++i) {
|
|
const ValType aVal = mnValStack[i];
|
|
writeType1Val( aVal);
|
|
}
|
|
clear();
|
|
writeTypeOp( nTypeOp);
|
|
}
|
|
|
|
void CffSubsetterContext::writeCurveTo( int nStackPos,
|
|
int nIX1, int nIY1, int nIX2, int nIY2, int nIX3, int nIY3)
|
|
{
|
|
// get the values from the stack
|
|
const ValType nDX1 = nIX1 ? mnValStack[ nStackPos+nIX1 ] : 0;
|
|
const ValType nDY1 = nIY1 ? mnValStack[ nStackPos+nIY1 ] : 0;
|
|
const ValType nDX2 = nIX2 ? mnValStack[ nStackPos+nIX2 ] : 0;
|
|
const ValType nDY2 = nIY2 ? mnValStack[ nStackPos+nIY2 ] : 0;
|
|
const ValType nDX3 = nIX3 ? mnValStack[ nStackPos+nIX3 ] : 0;
|
|
const ValType nDY3 = nIY3 ? mnValStack[ nStackPos+nIY3 ] : 0;
|
|
|
|
// emit the curveto operator and operands
|
|
// TODO: determine the most efficient curveto operator
|
|
// TODO: depending on type1op or type2op target
|
|
writeType1Val( nDX1 );
|
|
writeType1Val( nDY1 );
|
|
writeType1Val( nDX2 );
|
|
writeType1Val( nDY2 );
|
|
writeType1Val( nDX3 );
|
|
writeType1Val( nDY3 );
|
|
writeTypeOp( TYPE1OP::RCURVETO );
|
|
}
|
|
|
|
void CffSubsetterContext::convertOneTypeOp()
|
|
{
|
|
const int nType2Op = *(mpReadPtr++);
|
|
|
|
int i, nInt; // prevent WAE for declarations inside switch cases
|
|
// convert each T2op
|
|
switch( nType2Op) {
|
|
case TYPE2OP::T2ESC:
|
|
convertOneTypeEsc();
|
|
break;
|
|
case TYPE2OP::HSTEM:
|
|
case TYPE2OP::VSTEM:
|
|
addHints( nType2Op == TYPE2OP::VSTEM );
|
|
for( i = 0; i < mnHintSize; i+=2 ) {
|
|
writeType1Val( mnHintStack[i]);
|
|
writeType1Val( mnHintStack[i+1] - mnHintStack[i]);
|
|
writeTypeOp( nType2Op );
|
|
}
|
|
break;
|
|
case TYPE2OP::HSTEMHM:
|
|
case TYPE2OP::VSTEMHM:
|
|
addHints( nType2Op == TYPE2OP::VSTEMHM);
|
|
break;
|
|
case TYPE2OP::CNTRMASK:
|
|
// TODO: replace cntrmask with vstem3/hstem3
|
|
addHints( true);
|
|
{
|
|
U8 nMaskBit = 0;
|
|
U8 nMaskByte = 0;
|
|
for( i = 0; i < mnHintSize; i+=2, nMaskBit>>=1) {
|
|
if( !nMaskBit) {
|
|
nMaskByte = *(mpReadPtr++);
|
|
nMaskBit = 0x80;
|
|
}
|
|
if( !(nMaskByte & nMaskBit))
|
|
continue;
|
|
if( i >= 8*int(sizeof(mnCntrMask)))
|
|
mbIgnoreHints = true;
|
|
if( mbIgnoreHints)
|
|
continue;
|
|
mnCntrMask |= (1U << i);
|
|
}
|
|
}
|
|
break;
|
|
case TYPE2OP::HINTMASK:
|
|
addHints( true);
|
|
{
|
|
sal_Int32 nHintMask = 0;
|
|
int nCntrBits[2] = {0,0};
|
|
U8 nMaskBit = 0;
|
|
U8 nMaskByte = 0;
|
|
int const MASK_BITS = 8*sizeof(nHintMask);
|
|
for( i = 0; i < mnHintSize; i+=2, nMaskBit>>=1) {
|
|
if( !nMaskBit) {
|
|
nMaskByte = *(mpReadPtr++);
|
|
nMaskBit = 0x80;
|
|
}
|
|
if( !(nMaskByte & nMaskBit))
|
|
continue;
|
|
if( i >= MASK_BITS)
|
|
mbIgnoreHints = true;
|
|
if( mbIgnoreHints)
|
|
continue;
|
|
nHintMask |= (1U << i);
|
|
nCntrBits[ i < mnHorzHintSize] += (mnCntrMask >> i) & 1;
|
|
}
|
|
|
|
mbIgnoreHints |= (nCntrBits[0] && (nCntrBits[0] != 3));
|
|
mbIgnoreHints |= (nCntrBits[1] && (nCntrBits[1] != 3));
|
|
if( mbIgnoreHints)
|
|
break;
|
|
|
|
for( i = 0; i < mnHintSize; i+=2) {
|
|
if(i >= MASK_BITS || !(nHintMask & (1U << i)))
|
|
continue;
|
|
writeType1Val( mnHintStack[i]);
|
|
writeType1Val( mnHintStack[i+1] - mnHintStack[i]);
|
|
const bool bHorz = (i < mnHorzHintSize);
|
|
if( !nCntrBits[ bHorz])
|
|
writeTypeOp( bHorz ? TYPE1OP::HSTEM : TYPE1OP::VSTEM);
|
|
else if( !--nCntrBits[ bHorz])
|
|
writeTypeEsc( bHorz ? TYPE1OP::HSTEM3 : TYPE1OP::VSTEM3);
|
|
}
|
|
}
|
|
break;
|
|
case TYPE2OP::CALLSUBR:
|
|
case TYPE2OP::CALLGSUBR:
|
|
{
|
|
nInt = popInt();
|
|
const bool bGlobal = (nType2Op == TYPE2OP::CALLGSUBR);
|
|
callType2Subr( bGlobal, nInt);
|
|
}
|
|
break;
|
|
case TYPE2OP::RETURN:
|
|
// TODO: check that we are in a subroutine
|
|
return;
|
|
case TYPE2OP::VMOVETO:
|
|
case TYPE2OP::HMOVETO:
|
|
if( mbNeedClose)
|
|
writeTypeOp( TYPE1OP::CLOSEPATH);
|
|
else
|
|
updateWidth( size() > 1);
|
|
mbNeedClose = true;
|
|
pop2MultiWrite( 1, nType2Op);
|
|
break;
|
|
case TYPE2OP::VLINETO:
|
|
case TYPE2OP::HLINETO:
|
|
pop2MultiWrite( 1, nType2Op,
|
|
TYPE1OP::VLINETO ^ TYPE1OP::HLINETO);
|
|
break;
|
|
case TYPE2OP::RMOVETO:
|
|
// TODO: convert rmoveto to vlineto/hlineto if possible
|
|
if( mbNeedClose)
|
|
writeTypeOp( TYPE1OP::CLOSEPATH);
|
|
else
|
|
updateWidth( size() > 2);
|
|
mbNeedClose = true;
|
|
pop2MultiWrite( 2, nType2Op);
|
|
break;
|
|
case TYPE2OP::RLINETO:
|
|
// TODO: convert rlineto to vlineto/hlineto if possible
|
|
pop2MultiWrite( 2, nType2Op);
|
|
break;
|
|
case TYPE2OP::RCURVETO:
|
|
// TODO: convert rcurveto to vh/hv/hh/vv-curveto if possible
|
|
pop2MultiWrite( 6, nType2Op);
|
|
break;
|
|
case TYPE2OP::RCURVELINE:
|
|
i = 0;
|
|
while( (i += 6) <= mnStackIdx)
|
|
writeCurveTo( i, -6, -5, -4, -3, -2, -1 );
|
|
i -= 6;
|
|
while( (i += 2) <= mnStackIdx) {
|
|
writeType1Val( mnValStack[i-2]);
|
|
writeType1Val( mnValStack[i-1]);
|
|
writeTypeOp( TYPE2OP::RLINETO);
|
|
}
|
|
clear();
|
|
break;
|
|
case TYPE2OP::RLINECURVE:
|
|
i = 0;
|
|
while( (i += 2) <= mnStackIdx-6) {
|
|
writeType1Val( mnValStack[i-2]);
|
|
writeType1Val( mnValStack[i-1]);
|
|
writeTypeOp( TYPE2OP::RLINETO);
|
|
}
|
|
i -= 2;
|
|
while( (i += 6) <= mnStackIdx)
|
|
writeCurveTo( i, -6, -5, -4, -3, -2, -1 );
|
|
clear();
|
|
break;
|
|
case TYPE2OP::VHCURVETO:
|
|
case TYPE2OP::HVCURVETO:
|
|
{
|
|
bool bVert = (nType2Op == TYPE2OP::VHCURVETO);
|
|
i = 0;
|
|
nInt = 0;
|
|
if( mnStackIdx & 1 )
|
|
nInt = static_cast<int>(mnValStack[ --mnStackIdx ]);
|
|
while( (i += 4) <= mnStackIdx) {
|
|
// TODO: use writeCurveTo()
|
|
if( bVert ) writeType1Val( 0 );
|
|
writeType1Val( mnValStack[i-4] );
|
|
if( !bVert ) writeType1Val( 0);
|
|
writeType1Val( mnValStack[i-3] );
|
|
writeType1Val( mnValStack[i-2] );
|
|
if( !bVert ) writeType1Val( static_cast<ValType>((i==mnStackIdx) ? nInt : 0) );
|
|
writeType1Val( mnValStack[i-1] );
|
|
if( bVert ) writeType1Val( static_cast<ValType>((i==mnStackIdx) ? nInt : 0) );
|
|
bVert = !bVert;
|
|
writeTypeOp( TYPE2OP::RCURVETO);
|
|
}
|
|
}
|
|
clear();
|
|
break;
|
|
case TYPE2OP::HHCURVETO:
|
|
i = (mnStackIdx & 1);
|
|
while( (i += 4) <= mnStackIdx) {
|
|
if( i != 5)
|
|
writeCurveTo( i, -4, 0, -3, -2, -1, 0);
|
|
else
|
|
writeCurveTo( i, -4, -5, -3, -2, -1, 0);
|
|
}
|
|
clear();
|
|
break;
|
|
case TYPE2OP::VVCURVETO:
|
|
i = (mnStackIdx & 1);
|
|
while( (i += 4) <= mnStackIdx) {
|
|
if( i != 5)
|
|
writeCurveTo( i, 0, -4, -3, -2, 0, -1);
|
|
else
|
|
writeCurveTo( i, -5, -4, -3, -2, 0, -1);
|
|
}
|
|
clear();
|
|
break;
|
|
case TYPE2OP::ENDCHAR:
|
|
if (size() >= 4 && mbDoSeac)
|
|
{
|
|
// Deprecated seac-like use of endchar (Adobe Technical Note #5177,
|
|
// Appendix C).
|
|
auto achar = popVal();
|
|
auto bchar = popVal();
|
|
auto ady = popVal();
|
|
auto adx = popVal();
|
|
int nBase = {}, nAccent = {};
|
|
if (getBaseAccent(bchar, achar, &nBase, &nAccent))
|
|
{
|
|
maExtraGlyphIds.push_back(nBase);
|
|
maExtraGlyphIds.push_back(nAccent);
|
|
writeType1Val(0); // TODO accent sb
|
|
writeType1Val(adx);
|
|
writeType1Val(ady);
|
|
writeType1Val(bchar);
|
|
writeType1Val(achar);
|
|
writeTypeEsc(TYPE1OP::SEAC);
|
|
}
|
|
}
|
|
if( mbNeedClose)
|
|
writeTypeOp( TYPE1OP::CLOSEPATH);
|
|
else
|
|
updateWidth( size() >= 1);
|
|
// mbNeedClose = true;
|
|
writeTypeOp( TYPE1OP::ENDCHAR);
|
|
break;
|
|
default:
|
|
if( ((nType2Op >= 32) && (nType2Op <= 255)) || (nType2Op == 28)) {
|
|
--mpReadPtr;
|
|
read2push();
|
|
} else {
|
|
popAll2Write( nType2Op);
|
|
assert(false && "TODO?");
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
void CffSubsetterContext::convertOneTypeEsc()
|
|
{
|
|
const int nType2Esc = *(mpReadPtr++);
|
|
ValType* pTop = &mnValStack[ mnStackIdx-1];
|
|
// convert each T2op
|
|
switch( nType2Esc) {
|
|
case TYPE2OP::AND:
|
|
assert( mnStackIdx >= 2 );
|
|
pTop[0] = static_cast<ValType>(static_cast<int>(pTop[0]) & static_cast<int>(pTop[-1]));
|
|
--mnStackIdx;
|
|
break;
|
|
case TYPE2OP::OR:
|
|
assert( mnStackIdx >= 2 );
|
|
pTop[0] = static_cast<ValType>(static_cast<int>(pTop[0]) | static_cast<int>(pTop[-1]));
|
|
--mnStackIdx;
|
|
break;
|
|
case TYPE2OP::NOT:
|
|
assert( mnStackIdx >= 1 );
|
|
pTop[0] = ValType(pTop[0] == 0);
|
|
break;
|
|
case TYPE2OP::ABS:
|
|
assert( mnStackIdx >= 1 );
|
|
if( pTop[0] >= 0)
|
|
break;
|
|
[[fallthrough]];
|
|
case TYPE2OP::NEG:
|
|
assert( mnStackIdx >= 1 );
|
|
pTop[0] = -pTop[0];
|
|
break;
|
|
case TYPE2OP::ADD:
|
|
assert( mnStackIdx >= 2 );
|
|
pTop[0] += pTop[-1];
|
|
--mnStackIdx;
|
|
break;
|
|
case TYPE2OP::SUB:
|
|
assert( mnStackIdx >= 2 );
|
|
pTop[0] -= pTop[-1];
|
|
--mnStackIdx;
|
|
break;
|
|
case TYPE2OP::MUL:
|
|
assert( mnStackIdx >= 2 );
|
|
if( pTop[-1])
|
|
pTop[0] *= pTop[-1];
|
|
--mnStackIdx;
|
|
break;
|
|
case TYPE2OP::DIV:
|
|
assert( mnStackIdx >= 2 );
|
|
if( pTop[-1])
|
|
pTop[0] /= pTop[-1];
|
|
--mnStackIdx;
|
|
break;
|
|
case TYPE2OP::EQ:
|
|
assert( mnStackIdx >= 2 );
|
|
pTop[0] = ValType(pTop[0] == pTop[-1]);
|
|
--mnStackIdx;
|
|
break;
|
|
case TYPE2OP::DROP:
|
|
assert( mnStackIdx >= 1 );
|
|
--mnStackIdx;
|
|
break;
|
|
case TYPE2OP::PUT: {
|
|
assert( mnStackIdx >= 2 );
|
|
const int nIdx = static_cast<int>(pTop[0]);
|
|
assert( nIdx >= 0 );
|
|
assert( nIdx < NMAXTRANS );
|
|
mnTransVals[ nIdx] = pTop[-1];
|
|
mnStackIdx -= 2;
|
|
break;
|
|
}
|
|
case TYPE2OP::GET: {
|
|
assert( mnStackIdx >= 1 );
|
|
const int nIdx = static_cast<int>(pTop[0]);
|
|
assert( nIdx >= 0 );
|
|
assert( nIdx < NMAXTRANS );
|
|
pTop[0] = mnTransVals[ nIdx ];
|
|
break;
|
|
}
|
|
case TYPE2OP::IFELSE: {
|
|
assert( mnStackIdx >= 4 );
|
|
if( pTop[-1] > pTop[0] )
|
|
pTop[-3] = pTop[-2];
|
|
mnStackIdx -= 3;
|
|
break;
|
|
}
|
|
case TYPE2OP::RANDOM:
|
|
pTop[+1] = 1234; // TODO
|
|
++mnStackIdx;
|
|
break;
|
|
case TYPE2OP::SQRT:
|
|
// TODO: implement
|
|
break;
|
|
case TYPE2OP::DUP:
|
|
assert( mnStackIdx >= 1 );
|
|
pTop[+1] = pTop[0];
|
|
++mnStackIdx;
|
|
break;
|
|
case TYPE2OP::EXCH: {
|
|
assert( mnStackIdx >= 2 );
|
|
const ValType nVal = pTop[0];
|
|
pTop[0] = pTop[-1];
|
|
pTop[-1] = nVal;
|
|
break;
|
|
}
|
|
case TYPE2OP::INDEX: {
|
|
assert( mnStackIdx >= 1 );
|
|
const int nVal = static_cast<int>(pTop[0]);
|
|
assert( nVal >= 0 );
|
|
assert( nVal < mnStackIdx-1 );
|
|
pTop[0] = pTop[-1-nVal];
|
|
break;
|
|
}
|
|
case TYPE2OP::ROLL: {
|
|
assert( mnStackIdx >= 1 );
|
|
const int nNum = static_cast<int>(pTop[0]);
|
|
assert( nNum >= 0);
|
|
assert( nNum < mnStackIdx-2 );
|
|
(void)nNum; // TODO: implement
|
|
// TODO: implement: const int nOfs = static_cast<int>(pTop[-1]);
|
|
mnStackIdx -= 2;
|
|
break;
|
|
}
|
|
case TYPE2OP::HFLEX1: {
|
|
assert( mnStackIdx == 9);
|
|
|
|
writeCurveTo( mnStackIdx, -9, -8, -7, -6, -5, 0);
|
|
writeCurveTo( mnStackIdx, -4, 0, -3, -2, -1, 0);
|
|
// TODO: emulate hflex1 using othersubr call
|
|
|
|
mnStackIdx -= 9;
|
|
}
|
|
break;
|
|
case TYPE2OP::HFLEX: {
|
|
assert( mnStackIdx == 7);
|
|
ValType* pX = &mnValStack[ mnStackIdx];
|
|
|
|
pX[+1] = -pX[-5]; // temp: +dy5==-dy2
|
|
writeCurveTo( mnStackIdx, -7, 0, -6, -5, -4, 0);
|
|
writeCurveTo( mnStackIdx, -3, 0, -2, +1, -1, 0);
|
|
// TODO: emulate hflex using othersubr call
|
|
|
|
mnStackIdx -= 7;
|
|
}
|
|
break;
|
|
case TYPE2OP::FLEX: {
|
|
assert( mnStackIdx == 13 );
|
|
writeCurveTo( mnStackIdx, -13, -12, -11, -10, -9, -8 );
|
|
writeCurveTo( mnStackIdx, -7, -6, -5, -4, -3, -2 );
|
|
// ignoring ValType nFlexDepth = mnValStack[ mnStackIdx-1 ];
|
|
mnStackIdx -= 13;
|
|
}
|
|
break;
|
|
case TYPE2OP::FLEX1: {
|
|
assert( mnStackIdx == 11 );
|
|
// write the first part of the flex1-hinted curve
|
|
writeCurveTo( mnStackIdx, -11, -10, -9, -8, -7, -6 );
|
|
|
|
// determine if nD6 is horizontal or vertical
|
|
const int i = mnStackIdx;
|
|
ValType nDeltaX = mnValStack[i-11] + mnValStack[i-9] + mnValStack[i-7] + mnValStack[i-5] + mnValStack[i-3];
|
|
if( nDeltaX < 0 ) nDeltaX = -nDeltaX;
|
|
ValType nDeltaY = mnValStack[i-10] + mnValStack[i-8] + mnValStack[i-6] + mnValStack[i-4] + mnValStack[i-2];
|
|
if( nDeltaY < 0 ) nDeltaY = -nDeltaY;
|
|
const bool bVertD6 = (nDeltaY > nDeltaX);
|
|
|
|
// write the second part of the flex1-hinted curve
|
|
if( !bVertD6 )
|
|
writeCurveTo( mnStackIdx, -5, -4, -3, -2, -1, 0);
|
|
else
|
|
writeCurveTo( mnStackIdx, -5, -4, -3, -2, 0, -1);
|
|
mnStackIdx -= 11;
|
|
}
|
|
break;
|
|
default:
|
|
SAL_WARN("vcl.fonts", "unhandled type2esc " << nType2Esc);
|
|
assert( false);
|
|
break;
|
|
}
|
|
}
|
|
|
|
void CffSubsetterContext::callType2Subr( bool bGlobal, int nSubrNumber)
|
|
{
|
|
const U8* const pOldReadPtr = mpReadPtr;
|
|
const U8* const pOldReadEnd = mpReadEnd;
|
|
|
|
if( bGlobal ) {
|
|
nSubrNumber += mnGlobalSubrBias;
|
|
seekIndexData( mnGlobalSubrBase, nSubrNumber);
|
|
} else {
|
|
nSubrNumber += mpCffLocal->mnLocalSubrBias;
|
|
seekIndexData( mpCffLocal->mnLocalSubrBase, nSubrNumber);
|
|
}
|
|
|
|
while( mpReadPtr < mpReadEnd)
|
|
convertOneTypeOp();
|
|
|
|
mpReadPtr = pOldReadPtr;
|
|
mpReadEnd = pOldReadEnd;
|
|
}
|
|
|
|
int CffSubsetterContext::convert2Type1Ops( CffLocal* pCffLocal, const U8* const pT2Ops, int nT2Len, U8* const pT1Ops)
|
|
{
|
|
mpCffLocal = pCffLocal;
|
|
|
|
// prepare the charstring conversion
|
|
mpWritePtr = pT1Ops;
|
|
U8 aType1Ops[ MAX_T1OPS_SIZE];
|
|
if( !pT1Ops)
|
|
mpWritePtr = aType1Ops;
|
|
*const_cast<U8**>(&pT1Ops) = mpWritePtr;
|
|
|
|
// prepend random seed for T1crypt
|
|
*(mpWritePtr++) = 0x48;
|
|
*(mpWritePtr++) = 0x44;
|
|
*(mpWritePtr++) = 0x55;
|
|
*(mpWritePtr++) = ' ';
|
|
|
|
// convert the Type2 charstring to Type1
|
|
mpReadPtr = pT2Ops;
|
|
mpReadEnd = pT2Ops + nT2Len;
|
|
// prepend "hsbw" or "sbw"
|
|
// TODO: only emit hsbw when charwidth is known
|
|
writeType1Val(0); // TODO: aSubsetterContext.getLeftSideBearing();
|
|
U8* pCharWidthPtr=mpWritePtr; // need to overwrite that later
|
|
// pad out 5 bytes for the char width with default val 1000 (to be
|
|
// filled with the actual value below)
|
|
*(mpWritePtr++) = 255;
|
|
*(mpWritePtr++) = static_cast<U8>(0);
|
|
*(mpWritePtr++) = static_cast<U8>(0);
|
|
*(mpWritePtr++) = static_cast<U8>(250);
|
|
*(mpWritePtr++) = static_cast<U8>(124);
|
|
writeTypeOp(TYPE1OP::HSBW);
|
|
mbNeedClose = false;
|
|
mbIgnoreHints = false;
|
|
mnHintSize=mnHorzHintSize=mnStackIdx=0; maCharWidth=-1;//#######
|
|
mnCntrMask = 0;
|
|
while( mpReadPtr < mpReadEnd)
|
|
convertOneTypeOp();
|
|
if( maCharWidth != -1 )
|
|
{
|
|
// overwrite earlier charWidth value, which we only now have
|
|
// parsed out of mpReadPtr buffer (by way of
|
|
// convertOneTypeOp()s above)
|
|
const int nInt = static_cast<int>(maCharWidth);
|
|
*(pCharWidthPtr++) = 255;
|
|
*(pCharWidthPtr++) = static_cast<U8>(nInt >> 24);
|
|
*(pCharWidthPtr++) = static_cast<U8>(nInt >> 16);
|
|
*(pCharWidthPtr++) = static_cast<U8>(nInt >> 8);
|
|
*(pCharWidthPtr++) = static_cast<U8>(nInt);
|
|
}
|
|
|
|
const int nType1Len = mpWritePtr - pT1Ops;
|
|
|
|
// encrypt the Type1 charstring
|
|
unsigned nRDCryptR = 4330; // TODO: mnRDCryptSeed;
|
|
for( U8* p = pT1Ops; p < mpWritePtr; ++p) {
|
|
*p ^= (nRDCryptR >> 8);
|
|
nRDCryptR = (*p + nRDCryptR) * 52845 + 22719;
|
|
}
|
|
|
|
return nType1Len;
|
|
}
|
|
|
|
RealType CffSubsetterContext::readRealVal()
|
|
{
|
|
// TODO: more thorough number validity test
|
|
bool bComma = false;
|
|
int nExpVal = 0;
|
|
int nExpSign = 0;
|
|
S64 nNumber = 0;
|
|
RealType fReal = +1.0;
|
|
for(;;){
|
|
const U8 c = *(mpReadPtr++); // read nibbles
|
|
// parse high nibble
|
|
const U8 nH = c >> 4U;
|
|
if( nH <= 9) {
|
|
nNumber = nNumber * 10 + nH;
|
|
--nExpVal;
|
|
} else if( nH == 10) { // comma
|
|
nExpVal = 0;
|
|
bComma = true;
|
|
} else if( nH == 11) { // +exp
|
|
fReal *= nNumber;
|
|
nExpSign = +1;
|
|
nNumber = 0;
|
|
} else if( nH == 12) { // -exp
|
|
fReal *= nNumber;
|
|
nExpSign = -1;
|
|
nNumber = 0;
|
|
} else if( nH == 13) { // reserved
|
|
// TODO: ignore or error?
|
|
} else if( nH == 14) // minus
|
|
fReal = -fReal;
|
|
else if( nH == 15) // end
|
|
break;
|
|
// parse low nibble
|
|
const U8 nL = c & 0x0F;
|
|
if( nL <= 9) {
|
|
nNumber = nNumber * 10 + nL;
|
|
--nExpVal;
|
|
} else if( nL == 10) { // comma
|
|
nExpVal = 0;
|
|
bComma = true;
|
|
} else if( nL == 11) { // +exp
|
|
fReal *= nNumber;
|
|
nNumber = 0;
|
|
nExpSign = +1;
|
|
} else if( nL == 12) { // -exp
|
|
fReal *= nNumber;
|
|
nNumber = 0;
|
|
nExpSign = -1;
|
|
} else if( nL == 13) { // reserved
|
|
// TODO: ignore or error?
|
|
} else if( nL == 14) // minus
|
|
fReal = -fReal;
|
|
else if( nL == 15) // end
|
|
break;
|
|
}
|
|
|
|
// merge exponents
|
|
if( !bComma)
|
|
nExpVal = 0;
|
|
if( !nExpSign) { fReal *= nNumber;}
|
|
else if( nExpSign > 0) { nExpVal += static_cast<int>(nNumber);}
|
|
else if( nExpSign < 0) { nExpVal -= static_cast<int>(nNumber);}
|
|
|
|
// apply exponents
|
|
if( !nExpVal) { /*nothing to apply*/}
|
|
else if( nExpVal > 0) { while( --nExpVal >= 0) fReal *= 10.0;}
|
|
else if( nExpVal < 0) { while( ++nExpVal <= 0) fReal /= 10.0;}
|
|
return fReal;
|
|
}
|
|
|
|
// prepare to access an element inside a CFF/CID index table
|
|
int CffSubsetterContext::seekIndexData( int nIndexBase, int nDataIndex)
|
|
{
|
|
assert( (nIndexBase > 0) && (mpBasePtr + nIndexBase + 3 <= mpBaseEnd));
|
|
if( nDataIndex < 0)
|
|
return -1;
|
|
mpReadPtr = mpBasePtr + nIndexBase;
|
|
const int nDataCount = (mpReadPtr[0]<<8) + mpReadPtr[1];
|
|
if( nDataIndex >= nDataCount)
|
|
return -1;
|
|
const int nDataOfsSz = mpReadPtr[2];
|
|
mpReadPtr += 3 + (nDataOfsSz * nDataIndex);
|
|
int nOfs1 = 0;
|
|
switch( nDataOfsSz) {
|
|
default: SAL_WARN("vcl.fonts", "\tINVALID nDataOfsSz=" << nDataOfsSz); return -1;
|
|
case 1: nOfs1 = mpReadPtr[0]; break;
|
|
case 2: nOfs1 = (mpReadPtr[0]<<8) + mpReadPtr[1]; break;
|
|
case 3: nOfs1 = (mpReadPtr[0]<<16) + (mpReadPtr[1]<<8) + mpReadPtr[2]; break;
|
|
case 4: nOfs1 = (mpReadPtr[0]<<24) + (mpReadPtr[1]<<16) + (mpReadPtr[2]<<8) + mpReadPtr[3]; break;
|
|
}
|
|
mpReadPtr += nDataOfsSz;
|
|
|
|
int nOfs2 = 0;
|
|
switch( nDataOfsSz) {
|
|
case 1: nOfs2 = mpReadPtr[0]; break;
|
|
case 2: nOfs2 = (mpReadPtr[0]<<8) + mpReadPtr[1]; break;
|
|
case 3: nOfs2 = (mpReadPtr[0]<<16) + (mpReadPtr[1]<<8) + mpReadPtr[2]; break;
|
|
case 4: nOfs2 = (mpReadPtr[0]<<24) + (mpReadPtr[1]<<16) + (mpReadPtr[2]<<8) + mpReadPtr[3]; break;
|
|
}
|
|
|
|
mpReadPtr = mpBasePtr + (nIndexBase + 2) + nDataOfsSz * (nDataCount + 1) + nOfs1;
|
|
mpReadEnd = mpReadPtr + (nOfs2 - nOfs1);
|
|
assert( nOfs1 >= 0);
|
|
assert( nOfs2 >= nOfs1);
|
|
assert( mpReadPtr <= mpBaseEnd);
|
|
assert( mpReadEnd <= mpBaseEnd);
|
|
return (nOfs2 - nOfs1);
|
|
}
|
|
|
|
// skip over a CFF/CID index table
|
|
void CffSubsetterContext::seekIndexEnd( int nIndexBase)
|
|
{
|
|
assert( (nIndexBase > 0) && (mpBasePtr + nIndexBase + 3 <= mpBaseEnd));
|
|
mpReadPtr = mpBasePtr + nIndexBase;
|
|
const int nDataCount = (mpReadPtr[0]<<8) + mpReadPtr[1];
|
|
const int nDataOfsSz = mpReadPtr[2];
|
|
mpReadPtr += 3 + nDataOfsSz * nDataCount;
|
|
assert( mpReadPtr <= mpBaseEnd);
|
|
int nEndOfs = 0;
|
|
switch( nDataOfsSz) {
|
|
default: SAL_WARN("vcl.fonts", "\tINVALID nDataOfsSz=" << nDataOfsSz); return;
|
|
case 1: nEndOfs = mpReadPtr[0]; break;
|
|
case 2: nEndOfs = (mpReadPtr[0]<<8) + mpReadPtr[1]; break;
|
|
case 3: nEndOfs = (mpReadPtr[0]<<16) + (mpReadPtr[1]<<8) + mpReadPtr[2];break;
|
|
case 4: nEndOfs = (mpReadPtr[0]<<24) + (mpReadPtr[1]<<16) + (mpReadPtr[2]<<8) + mpReadPtr[3]; break;
|
|
}
|
|
mpReadPtr += nDataOfsSz;
|
|
mpReadPtr += nEndOfs - 1;
|
|
mpReadEnd = mpBaseEnd;
|
|
assert( nEndOfs >= 0);
|
|
assert( mpReadEnd <= mpBaseEnd);
|
|
}
|
|
|
|
// initialize FONTDICT specific values
|
|
CffLocal::CffLocal()
|
|
: mnPrivDictBase( 0)
|
|
, mnPrivDictSize( 0)
|
|
, mnLocalSubrOffs( 0)
|
|
, mnLocalSubrBase( 0)
|
|
, mnLocalSubrBias( 0)
|
|
, maNominalWidth( 0)
|
|
, maDefaultWidth( 0)
|
|
, maStemStdHW( 0)
|
|
, maStemStdVW( 0)
|
|
, mfBlueScale( 0.0)
|
|
, mfBlueShift( 0.0)
|
|
, mfBlueFuzz( 0.0)
|
|
, mfExpFactor( 0.0)
|
|
, mnLangGroup( 0)
|
|
, mbForceBold( false)
|
|
{
|
|
}
|
|
|
|
CffGlobal::CffGlobal()
|
|
: mnNameIdxBase( 0)
|
|
, mnStringIdxBase( 0)
|
|
, mbCIDFont( false)
|
|
, mnCharStrBase( 0)
|
|
, mnCharStrCount( 0)
|
|
, mnCharsetBase( 0)
|
|
, mnGlobalSubrBase( 0)
|
|
, mnGlobalSubrCount( 0)
|
|
, mnGlobalSubrBias( 0)
|
|
, mnFDSelectBase( 0)
|
|
, mnFontDictBase( 0)
|
|
, mnFDAryCount( 1)
|
|
, mnFontNameSID( 0)
|
|
, mnFullNameSID( 0)
|
|
{
|
|
}
|
|
|
|
bool CffSubsetterContext::initialCffRead()
|
|
{
|
|
// get the CFFHeader
|
|
mpReadPtr = mpBasePtr;
|
|
const U8 nVerMajor = *(mpReadPtr++);
|
|
const U8 nVerMinor = *(mpReadPtr++);
|
|
const U8 nHeaderSize = *(mpReadPtr++);
|
|
const U8 nOffsetSize = *(mpReadPtr++);
|
|
// TODO: is the version number useful for anything else?
|
|
assert( (nVerMajor == 1) && (nVerMinor == 0));
|
|
(void)(nVerMajor + nVerMinor + nOffsetSize); // avoid compiler warnings
|
|
|
|
// prepare access to the NameIndex
|
|
mnNameIdxBase = nHeaderSize;
|
|
mpReadPtr = mpBasePtr + nHeaderSize;
|
|
seekIndexEnd( mnNameIdxBase);
|
|
|
|
// get the TopDict index
|
|
const sal_Int32 nTopDictBase = getReadOfs();
|
|
const int nTopDictCount = (mpReadPtr[0]<<8) + mpReadPtr[1];
|
|
if( nTopDictCount) {
|
|
for( int i = 0; i < nTopDictCount; ++i) {
|
|
seekIndexData( nTopDictBase, i);
|
|
while( mpReadPtr < mpReadEnd)
|
|
readDictOp();
|
|
assert( mpReadPtr == mpReadEnd);
|
|
}
|
|
}
|
|
|
|
// prepare access to the String index
|
|
mnStringIdxBase = getReadOfs();
|
|
seekIndexEnd( mnStringIdxBase);
|
|
|
|
// prepare access to the GlobalSubr index
|
|
mnGlobalSubrBase = getReadOfs();
|
|
mnGlobalSubrCount = (mpReadPtr[0]<<8) + mpReadPtr[1];
|
|
mnGlobalSubrBias = (mnGlobalSubrCount<1240)?107:(mnGlobalSubrCount<33900)?1131:32768;
|
|
// skip past the last GlobalSubr entry
|
|
// seekIndexEnd( mnGlobalSubrBase);
|
|
|
|
// get/skip the Encodings (we got mnEncodingBase from TOPDICT)
|
|
// seekEncodingsEnd( mnEncodingBase);
|
|
// get/skip the Charsets (we got mnCharsetBase from TOPDICT)
|
|
// seekCharsetsEnd( mnCharStrBase);
|
|
// get/skip FDSelect (CID only) data
|
|
|
|
// prepare access to the CharStrings index (we got the base from TOPDICT)
|
|
mpReadPtr = mpBasePtr + mnCharStrBase;
|
|
mnCharStrCount = (mpReadPtr[0]<<8) + mpReadPtr[1];
|
|
// seekIndexEnd( mnCharStrBase);
|
|
|
|
// read the FDArray index (CID only)
|
|
if( mbCIDFont) {
|
|
// assert( mnFontDictBase == tellRel());
|
|
mpReadPtr = mpBasePtr + mnFontDictBase;
|
|
mnFDAryCount = (mpReadPtr[0]<<8) + mpReadPtr[1];
|
|
if (o3tl::make_unsigned(mnFDAryCount) >= SAL_N_ELEMENTS(maCffLocal))
|
|
{
|
|
SAL_INFO("vcl.fonts", "CffSubsetterContext: too many CFF in font");
|
|
return false;
|
|
}
|
|
|
|
// read FDArray details to get access to the PRIVDICTs
|
|
for( int i = 0; i < mnFDAryCount; ++i) {
|
|
mpCffLocal = &maCffLocal[i];
|
|
seekIndexData( mnFontDictBase, i);
|
|
while( mpReadPtr < mpReadEnd)
|
|
readDictOp();
|
|
assert( mpReadPtr == mpReadEnd);
|
|
}
|
|
}
|
|
|
|
for( int i = 0; i < mnFDAryCount; ++i) {
|
|
mpCffLocal = &maCffLocal[i];
|
|
|
|
// get the PrivateDict index
|
|
// (we got mnPrivDictSize and mnPrivDictBase from TOPDICT or FDArray)
|
|
if( mpCffLocal->mnPrivDictSize != 0) {
|
|
assert( mpCffLocal->mnPrivDictSize > 0);
|
|
// get the PrivDict data
|
|
mpReadPtr = mpBasePtr + mpCffLocal->mnPrivDictBase;
|
|
mpReadEnd = mpReadPtr + mpCffLocal->mnPrivDictSize;
|
|
assert( mpReadEnd <= mpBaseEnd);
|
|
// read PrivDict details
|
|
while( mpReadPtr < mpReadEnd)
|
|
readDictOp();
|
|
}
|
|
|
|
// prepare access to the LocalSubrs (we got mnLocalSubrOffs from PRIVDICT)
|
|
if( mpCffLocal->mnLocalSubrOffs) {
|
|
// read LocalSubrs summary
|
|
mpCffLocal->mnLocalSubrBase = mpCffLocal->mnPrivDictBase + mpCffLocal->mnLocalSubrOffs;
|
|
mpReadPtr = mpBasePtr + mpCffLocal->mnLocalSubrBase;
|
|
const int nSubrCount = (mpReadPtr[0] << 8) + mpReadPtr[1];
|
|
mpCffLocal->mnLocalSubrBias = (nSubrCount<1240)?107:(nSubrCount<33900)?1131:32768;
|
|
// seekIndexEnd( mpCffLocal->mnLocalSubrBase);
|
|
}
|
|
}
|
|
|
|
// ignore the Notices info
|
|
|
|
return true;
|
|
}
|
|
|
|
// get a cstring from a StringID
|
|
OString CffSubsetterContext::getString( int nStringID)
|
|
{
|
|
// get a standard string if possible
|
|
const static int nStdStrings = SAL_N_ELEMENTS(pStringIds);
|
|
if( (nStringID >= 0) && (nStringID < nStdStrings))
|
|
return pStringIds[ nStringID];
|
|
|
|
// else get the string from the StringIndex table
|
|
comphelper::ValueRestorationGuard pReadPtr(mpReadPtr);
|
|
comphelper::ValueRestorationGuard pReadEnd(mpReadEnd);
|
|
nStringID -= nStdStrings;
|
|
int nLen = seekIndexData( mnStringIdxBase, nStringID);
|
|
// assert( nLen >= 0);
|
|
// TODO: just return the undecorated name
|
|
if( nLen < 0) {
|
|
return "name[" + OString::number(nStringID) + "].notfound!";
|
|
} else {
|
|
const int nMaxLen = 2560 - 1;
|
|
if( nLen >= nMaxLen)
|
|
nLen = nMaxLen; // TODO: still needed?
|
|
return OString(reinterpret_cast<char const *>(mpReadPtr), nLen);
|
|
}
|
|
}
|
|
|
|
// access a CID's FDSelect table
|
|
int CffSubsetterContext::getFDSelect( int nGlyphIndex) const
|
|
{
|
|
assert( nGlyphIndex >= 0);
|
|
assert( nGlyphIndex < mnCharStrCount);
|
|
if( !mbCIDFont)
|
|
return 0;
|
|
|
|
const U8* pReadPtr = mpBasePtr + mnFDSelectBase;
|
|
const U8 nFDSelFormat = *(pReadPtr++);
|
|
switch( nFDSelFormat) {
|
|
case 0: { // FDSELECT format 0
|
|
pReadPtr += nGlyphIndex;
|
|
const U8 nFDIdx = *(pReadPtr++);
|
|
return nFDIdx;
|
|
} //break;
|
|
case 3: { // FDSELECT format 3
|
|
const U16 nRangeCount = (pReadPtr[0]<<8) + pReadPtr[1];
|
|
assert( nRangeCount > 0);
|
|
assert( nRangeCount <= mnCharStrCount);
|
|
U16 nPrev = (pReadPtr[2]<<8) + pReadPtr[3];
|
|
assert( nPrev == 0);
|
|
(void)nPrev;
|
|
pReadPtr += 4;
|
|
// TODO? binary search
|
|
for( int i = 0; i < nRangeCount; ++i) {
|
|
const U8 nFDIdx = pReadPtr[0];
|
|
const U16 nNext = (pReadPtr[1]<<8) + pReadPtr[2];
|
|
assert( nPrev < nNext);
|
|
if( nGlyphIndex < nNext)
|
|
return nFDIdx;
|
|
pReadPtr += 3;
|
|
nPrev = nNext;
|
|
}
|
|
} break;
|
|
default: // invalid FDselect format
|
|
SAL_WARN("vcl.fonts", "invalid CFF.FdselType=" << nFDSelFormat);
|
|
break;
|
|
}
|
|
|
|
assert( false);
|
|
return -1;
|
|
}
|
|
|
|
int CffSubsetterContext::getGlyphSID( int nGlyphIndex) const
|
|
{
|
|
if( nGlyphIndex == 0)
|
|
return 0; // ".notdef"
|
|
assert( nGlyphIndex >= 0);
|
|
assert( nGlyphIndex < mnCharStrCount);
|
|
if( (nGlyphIndex < 0) || (nGlyphIndex >= mnCharStrCount))
|
|
return -1;
|
|
|
|
// get the SID/CID from the Charset table
|
|
const U8* pReadPtr = mpBasePtr + mnCharsetBase;
|
|
const U8 nCSetFormat = *(pReadPtr++);
|
|
int nGlyphsToSkip = nGlyphIndex - 1;
|
|
switch( nCSetFormat) {
|
|
case 0: // charset format 0
|
|
pReadPtr += 2 * nGlyphsToSkip;
|
|
nGlyphsToSkip = 0;
|
|
break;
|
|
case 1: // charset format 1
|
|
while( nGlyphsToSkip >= 0) {
|
|
const int nLeft = pReadPtr[2];
|
|
if( nGlyphsToSkip <= nLeft)
|
|
break;
|
|
nGlyphsToSkip -= nLeft + 1;
|
|
pReadPtr += 3;
|
|
}
|
|
break;
|
|
case 2: // charset format 2
|
|
while( nGlyphsToSkip >= 0) {
|
|
const int nLeft = (pReadPtr[2]<<8) + pReadPtr[3];
|
|
if( nGlyphsToSkip <= nLeft)
|
|
break;
|
|
nGlyphsToSkip -= nLeft + 1;
|
|
pReadPtr += 4;
|
|
}
|
|
break;
|
|
default:
|
|
SAL_WARN("vcl.fonts", "ILLEGAL CFF-Charset format " << nCSetFormat);
|
|
return -2;
|
|
}
|
|
|
|
int nSID = (pReadPtr[0]<<8) + pReadPtr[1];
|
|
nSID += nGlyphsToSkip;
|
|
// NOTE: for CID-fonts the resulting SID is interpreted as CID
|
|
return nSID;
|
|
}
|
|
|
|
// NOTE: the result becomes invalid with the next call to this method
|
|
OString CffSubsetterContext::getGlyphName( int nGlyphIndex)
|
|
{
|
|
// the first glyph is always the .notdef glyph
|
|
if( nGlyphIndex == 0)
|
|
return tok_notdef;
|
|
|
|
// get the glyph specific name
|
|
const int nSID = getGlyphSID( nGlyphIndex);
|
|
if( nSID < 0) // default glyph name
|
|
{
|
|
char aDefaultGlyphName[64];
|
|
o3tl::sprintf( aDefaultGlyphName, "gly%03d", nGlyphIndex);
|
|
return aDefaultGlyphName;
|
|
}
|
|
else if( mbCIDFont) // default glyph name in CIDs
|
|
{
|
|
char aDefaultGlyphName[64];
|
|
o3tl::sprintf( aDefaultGlyphName, "cid%03d", nSID);
|
|
return aDefaultGlyphName;
|
|
}
|
|
else { // glyph name from string table
|
|
auto const pSidName = getString( nSID);
|
|
// check validity of glyph name
|
|
const char* p = pSidName.getStr();
|
|
while( (*p >= '0') && (*p <= 'z')) ++p;
|
|
if( (p >= pSidName.getStr()+1) && (*p == '\0'))
|
|
return pSidName;
|
|
// if needed invent a fallback name
|
|
char aDefaultGlyphName[64];
|
|
o3tl::sprintf( aDefaultGlyphName, "bad%03d", nSID);
|
|
return aDefaultGlyphName;
|
|
}
|
|
}
|
|
|
|
bool CffSubsetterContext::getBaseAccent(ValType aBase, ValType aAccent, int* nBase, int* nAccent)
|
|
{
|
|
bool bBase = false, bAccent = false;
|
|
for (int i = 0; i < mnCharStrCount; i++)
|
|
{
|
|
OString pGlyphName = getGlyphName(i);
|
|
if (pGlyphName == pStandardEncoding[int(aBase)])
|
|
{
|
|
*nBase = i;
|
|
bBase = true;
|
|
}
|
|
if (pGlyphName == pStandardEncoding[int(aAccent)])
|
|
{
|
|
*nAccent = i;
|
|
bAccent = true;
|
|
}
|
|
if (bBase && bAccent)
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
namespace {
|
|
|
|
class Type1Emitter
|
|
{
|
|
public:
|
|
explicit Type1Emitter( SvStream* pOutFile, bool bPfbSubset);
|
|
~Type1Emitter();
|
|
void setSubsetName( const char* );
|
|
|
|
size_t emitRawData( const char* pData, size_t nLength) const;
|
|
void emitAllRaw();
|
|
void emitAllHex();
|
|
void emitAllCrypted();
|
|
int tellPos() const;
|
|
void updateLen( int nTellPos, size_t nLength);
|
|
void emitValVector( const char* pLineHead, const char* pLineTail, const std::vector<ValType>&);
|
|
private:
|
|
SvStream* mpFileOut;
|
|
unsigned mnEECryptR;
|
|
public:
|
|
OStringBuffer maBuffer;
|
|
|
|
char maSubsetName[256];
|
|
bool mbPfbSubset;
|
|
int mnHexLineCol;
|
|
};
|
|
|
|
}
|
|
|
|
Type1Emitter::Type1Emitter( SvStream* pOutFile, bool bPfbSubset)
|
|
: mpFileOut( pOutFile)
|
|
, mnEECryptR( 55665) // default eexec seed, TODO: mnEECryptSeed
|
|
, mbPfbSubset( bPfbSubset)
|
|
, mnHexLineCol( 0)
|
|
{
|
|
maSubsetName[0] = '\0';
|
|
}
|
|
|
|
Type1Emitter::~Type1Emitter()
|
|
{
|
|
if( !mpFileOut)
|
|
return;
|
|
mpFileOut = nullptr;
|
|
}
|
|
|
|
void Type1Emitter::setSubsetName( const char* pSubsetName)
|
|
{
|
|
maSubsetName[0] = '\0';
|
|
if( pSubsetName)
|
|
strncpy( maSubsetName, pSubsetName, sizeof(maSubsetName) - 1);
|
|
maSubsetName[sizeof(maSubsetName)-1] = '\0';
|
|
}
|
|
|
|
int Type1Emitter::tellPos() const
|
|
{
|
|
int nTellPos = mpFileOut->Tell();
|
|
return nTellPos;
|
|
}
|
|
|
|
void Type1Emitter::updateLen( int nTellPos, size_t nLength)
|
|
{
|
|
// update PFB segment header length
|
|
U8 cData[4];
|
|
cData[0] = static_cast<U8>(nLength >> 0);
|
|
cData[1] = static_cast<U8>(nLength >> 8);
|
|
cData[2] = static_cast<U8>(nLength >> 16);
|
|
cData[3] = static_cast<U8>(nLength >> 24);
|
|
const tools::Long nCurrPos = mpFileOut->Tell();
|
|
if (nCurrPos < 0)
|
|
return;
|
|
if (mpFileOut->Seek(nTellPos) != static_cast<sal_uInt64>(nTellPos))
|
|
return;
|
|
mpFileOut->WriteBytes(cData, sizeof(cData));
|
|
mpFileOut->Seek(nCurrPos);
|
|
}
|
|
|
|
inline size_t Type1Emitter::emitRawData(const char* pData, size_t nLength) const
|
|
{
|
|
return mpFileOut->WriteBytes( pData, nLength );
|
|
}
|
|
|
|
inline void Type1Emitter::emitAllRaw()
|
|
{
|
|
// writeout raw data
|
|
emitRawData( maBuffer.getStr(), maBuffer.getLength());
|
|
// reset the raw buffer
|
|
maBuffer.setLength(0);
|
|
}
|
|
|
|
inline void Type1Emitter::emitAllHex()
|
|
{
|
|
auto const end = maBuffer.getStr() + maBuffer.getLength();
|
|
for( const char* p = maBuffer.getStr(); p < end;) {
|
|
// convert binary chunk to hex
|
|
char aHexBuf[0x4000];
|
|
char* pOut = aHexBuf;
|
|
while( (p < end) && (pOut < aHexBuf+sizeof(aHexBuf)-4)) {
|
|
// convert each byte to hex
|
|
char cNibble = (static_cast<unsigned char>(*p) >> 4) & 0x0F;
|
|
cNibble += (cNibble < 10) ? '0' : 'A'-10;
|
|
*(pOut++) = cNibble;
|
|
cNibble = *(p++) & 0x0F;
|
|
cNibble += (cNibble < 10) ? '0' : 'A'-10;
|
|
*(pOut++) = cNibble;
|
|
// limit the line length
|
|
if( (++mnHexLineCol & 0x3F) == 0)
|
|
*(pOut++) = '\n';
|
|
}
|
|
// writeout hex-converted chunk
|
|
emitRawData( aHexBuf, pOut-aHexBuf);
|
|
}
|
|
// reset the raw buffer
|
|
maBuffer.setLength(0);
|
|
}
|
|
|
|
void Type1Emitter::emitAllCrypted()
|
|
{
|
|
// apply t1crypt
|
|
for( sal_Int32 i = 0; i < maBuffer.getLength(); ++i) {
|
|
maBuffer[i] ^= (mnEECryptR >> 8);
|
|
mnEECryptR = (static_cast<U8>(maBuffer[i]) + mnEECryptR) * 52845 + 22719;
|
|
}
|
|
|
|
// emit the t1crypt result
|
|
if( mbPfbSubset)
|
|
emitAllRaw();
|
|
else
|
|
emitAllHex();
|
|
}
|
|
|
|
// #i110387# quick-and-dirty double->ascii conversion
|
|
// also strip off trailing zeros in fraction while we are at it
|
|
static OString dbl2str( double fVal)
|
|
{
|
|
return rtl::math::doubleToString(fVal, rtl_math_StringFormat_G, 6, '.', true);
|
|
}
|
|
|
|
void Type1Emitter::emitValVector( const char* pLineHead, const char* pLineTail,
|
|
const std::vector<ValType>& rVector)
|
|
{
|
|
// ignore empty vectors
|
|
if( rVector.empty())
|
|
return;
|
|
|
|
// emit the line head
|
|
maBuffer.append( pLineHead);
|
|
// emit the vector values
|
|
std::vector<ValType>::value_type aVal = 0;
|
|
for( std::vector<ValType>::const_iterator it = rVector.begin();;) {
|
|
aVal = *it;
|
|
if( ++it == rVector.end() )
|
|
break;
|
|
maBuffer.append(dbl2str( aVal));
|
|
maBuffer.append(' ');
|
|
}
|
|
// emit the last value
|
|
maBuffer.append(dbl2str( aVal));
|
|
// emit the line tail
|
|
maBuffer.append( pLineTail);
|
|
}
|
|
|
|
void CffSubsetterContext::convertCharStrings(const sal_GlyphId* pGlyphIds, int nGlyphCount,
|
|
std::vector<CharString>& rCharStrings)
|
|
{
|
|
// If we are doing extra glyphs used for seac operator, check for already
|
|
// converted glyphs.
|
|
bool bCheckDuplicates = !rCharStrings.empty();
|
|
rCharStrings.reserve(rCharStrings.size() + nGlyphCount);
|
|
for (int i = 0; i < nGlyphCount; ++i)
|
|
{
|
|
const int nCffGlyphId = pGlyphIds[i];
|
|
assert((nCffGlyphId >= 0) && (nCffGlyphId < mnCharStrCount));
|
|
|
|
if (!bCheckDuplicates)
|
|
{
|
|
const auto it
|
|
= std::find_if(rCharStrings.begin(), rCharStrings.end(),
|
|
[&](const CharString& c) { return c.nCffGlyphId == nCffGlyphId; });
|
|
if (it != rCharStrings.end())
|
|
continue;
|
|
}
|
|
|
|
// get privdict context matching to the glyph
|
|
const int nFDSelect = getFDSelect(nCffGlyphId);
|
|
if (nFDSelect < 0)
|
|
continue;
|
|
mpCffLocal = &maCffLocal[nFDSelect];
|
|
|
|
// convert the Type2op charstring to its Type1op counterpart
|
|
const int nT2Len = seekIndexData(mnCharStrBase, nCffGlyphId);
|
|
assert(nT2Len > 0);
|
|
|
|
CharString aCharString;
|
|
const int nT1Len = convert2Type1Ops(mpCffLocal, mpReadPtr, nT2Len, aCharString.aOps);
|
|
aCharString.nLen = nT1Len;
|
|
aCharString.nCffGlyphId = nCffGlyphId;
|
|
|
|
rCharStrings.push_back(aCharString);
|
|
}
|
|
}
|
|
|
|
void CffSubsetterContext::emitAsType1( Type1Emitter& rEmitter,
|
|
const sal_GlyphId* pReqGlyphIds, const U8* pReqEncoding,
|
|
int nGlyphCount, FontSubsetInfo& rFSInfo)
|
|
{
|
|
// prepare some fontdirectory details
|
|
static const int nUniqueIdBase = 4100000; // using private-interchange UniqueIds
|
|
static int nUniqueId = nUniqueIdBase;
|
|
++nUniqueId;
|
|
|
|
char* pFontName = rEmitter.maSubsetName;
|
|
if( !*pFontName ) {
|
|
if( mnFontNameSID) {
|
|
// get the fontname directly if available
|
|
strncpy(
|
|
pFontName, getString( mnFontNameSID).getStr(), sizeof(rEmitter.maSubsetName) - 1);
|
|
pFontName[sizeof(rEmitter.maSubsetName) - 1] = 0;
|
|
} else if( mnFullNameSID) {
|
|
// approximate fontname as fullname-whitespace
|
|
auto const str = getString( mnFullNameSID);
|
|
const char* pI = str.getStr();
|
|
char* pO = pFontName;
|
|
const char* pLimit = pFontName + sizeof(rEmitter.maSubsetName) - 1;
|
|
while( pO < pLimit) {
|
|
const char c = *(pI++);
|
|
if( c != ' ')
|
|
*(pO++) = c;
|
|
if( !c)
|
|
break;
|
|
}
|
|
*pO = '\0';
|
|
} else {
|
|
// fallback name of last resort
|
|
strncpy( pFontName, "DummyName", sizeof(rEmitter.maSubsetName));
|
|
}
|
|
}
|
|
const char* pFullName = pFontName;
|
|
const char* pFamilyName = pFontName;
|
|
|
|
// create a PFB+Type1 header
|
|
if( rEmitter.mbPfbSubset ) {
|
|
static const char aPfbHeader[] = "\x80\x01\x00\x00\x00\x00";
|
|
rEmitter.emitRawData( aPfbHeader, sizeof(aPfbHeader)-1);
|
|
}
|
|
|
|
rEmitter.maBuffer.append(
|
|
"%!FontType1-1.0: " + OString::Concat(rEmitter.maSubsetName) + " 001.003\n");
|
|
// emit TOPDICT
|
|
rEmitter.maBuffer.append(
|
|
"11 dict begin\n" // TODO: dynamic entry count for TOPDICT
|
|
"/FontType 1 def\n"
|
|
"/PaintType 0 def\n");
|
|
rEmitter.maBuffer.append( "/FontName /" + OString::Concat(rEmitter.maSubsetName) + " def\n");
|
|
rEmitter.maBuffer.append( "/UniqueID " + OString::number(nUniqueId) + " def\n");
|
|
// emit FontMatrix
|
|
if( maFontMatrix.size() == 6)
|
|
rEmitter.emitValVector( "/FontMatrix [", "]readonly def\n", maFontMatrix);
|
|
else // emit default FontMatrix if needed
|
|
rEmitter.maBuffer.append( "/FontMatrix [0.001 0 0 0.001 0 0]readonly def\n");
|
|
|
|
// emit FontBBox
|
|
ValType fXFactor = 1.0;
|
|
ValType fYFactor = 1.0;
|
|
if( maFontMatrix.size() >= 4) {
|
|
fXFactor = 1000.0F * maFontMatrix[0];
|
|
fYFactor = 1000.0F * maFontMatrix[3];
|
|
}
|
|
|
|
auto aFontBBox = maFontBBox;
|
|
if (rFSInfo.m_bFilled)
|
|
aFontBBox = {
|
|
rFSInfo.m_aFontBBox.Left() / fXFactor, rFSInfo.m_aFontBBox.Top() / fYFactor,
|
|
rFSInfo.m_aFontBBox.Right() / fXFactor, (rFSInfo.m_aFontBBox.Bottom() + 1) / fYFactor
|
|
};
|
|
else if (aFontBBox.size() != 4)
|
|
aFontBBox = { 0, 0, 999, 999 }; // emit default FontBBox if needed
|
|
rEmitter.emitValVector( "/FontBBox {", "}readonly def\n", aFontBBox);
|
|
// emit FONTINFO into TOPDICT
|
|
rEmitter.maBuffer.append(
|
|
"/FontInfo 2 dict dup begin\n" // TODO: check fontinfo entry count
|
|
" /FullName (" + OString::Concat(pFullName) + ") readonly def\n"
|
|
" /FamilyName (" + pFamilyName + ") readonly def\n"
|
|
"end readonly def\n");
|
|
|
|
rEmitter.maBuffer.append(
|
|
"/Encoding 256 array\n"
|
|
"0 1 255 {1 index exch /.notdef put} for\n");
|
|
for( int i = 1; (i < nGlyphCount) && (i < 256); ++i) {
|
|
OString pGlyphName = getGlyphName( pReqGlyphIds[i]);
|
|
rEmitter.maBuffer.append(
|
|
"dup " + OString::number(pReqEncoding[i]) + " /" + pGlyphName + " put\n");
|
|
}
|
|
rEmitter.maBuffer.append( "readonly def\n");
|
|
rEmitter.maBuffer.append(
|
|
// TODO: more topdict entries
|
|
"currentdict end\n"
|
|
"currentfile eexec\n");
|
|
|
|
// emit PFB header
|
|
rEmitter.emitAllRaw();
|
|
if( rEmitter.mbPfbSubset) {
|
|
// update PFB header segment
|
|
const int nPfbHeaderLen = rEmitter.tellPos() - 6;
|
|
rEmitter.updateLen( 2, nPfbHeaderLen);
|
|
|
|
// prepare start of eexec segment
|
|
rEmitter.emitRawData( "\x80\x02\x00\x00\x00\x00", 6); // segment start
|
|
}
|
|
const int nEExecSegTell = rEmitter.tellPos();
|
|
|
|
// which always starts with a privdict
|
|
// count the privdict entries
|
|
int nPrivEntryCount = 9;
|
|
// emit blue hints only if non-default values
|
|
nPrivEntryCount += int(!mpCffLocal->maOtherBlues.empty());
|
|
nPrivEntryCount += int(!mpCffLocal->maFamilyBlues.empty());
|
|
nPrivEntryCount += int(!mpCffLocal->maFamilyOtherBlues.empty());
|
|
nPrivEntryCount += int(mpCffLocal->mfBlueScale != 0.0);
|
|
nPrivEntryCount += int(mpCffLocal->mfBlueShift != 0.0);
|
|
nPrivEntryCount += int(mpCffLocal->mfBlueFuzz != 0.0);
|
|
// emit stem hints only if non-default values
|
|
nPrivEntryCount += int(mpCffLocal->maStemStdHW != 0);
|
|
nPrivEntryCount += int(mpCffLocal->maStemStdVW != 0);
|
|
nPrivEntryCount += int(!mpCffLocal->maStemSnapH.empty());
|
|
nPrivEntryCount += int(!mpCffLocal->maStemSnapV.empty());
|
|
// emit other hints only if non-default values
|
|
nPrivEntryCount += int(mpCffLocal->mfExpFactor != 0.0);
|
|
nPrivEntryCount += int(mpCffLocal->mnLangGroup != 0);
|
|
nPrivEntryCount += int(mpCffLocal->mnLangGroup == 1);
|
|
nPrivEntryCount += int(mpCffLocal->mbForceBold);
|
|
// emit the privdict header
|
|
rEmitter.maBuffer.append(
|
|
"\110\104\125 "
|
|
"dup\n/Private " + OString::number(nPrivEntryCount) + " dict dup begin\n"
|
|
"/RD{string currentfile exch readstring pop}executeonly def\n"
|
|
"/ND{noaccess def}executeonly def\n"
|
|
"/NP{noaccess put}executeonly def\n"
|
|
"/MinFeature{16 16}ND\n"
|
|
"/password 5839 def\n"); // TODO: mnRDCryptSeed?
|
|
|
|
// emit blue hint related privdict entries
|
|
if( !mpCffLocal->maBlueValues.empty())
|
|
rEmitter.emitValVector( "/BlueValues [", "]ND\n", mpCffLocal->maBlueValues);
|
|
else
|
|
rEmitter.maBuffer.append( "/BlueValues []ND\n"); // default to empty BlueValues
|
|
rEmitter.emitValVector( "/OtherBlues [", "]ND\n", mpCffLocal->maOtherBlues);
|
|
rEmitter.emitValVector( "/FamilyBlues [", "]ND\n", mpCffLocal->maFamilyBlues);
|
|
rEmitter.emitValVector( "/FamilyOtherBlues [", "]ND\n", mpCffLocal->maFamilyOtherBlues);
|
|
|
|
if( mpCffLocal->mfBlueScale) {
|
|
rEmitter.maBuffer.append( "/BlueScale ");
|
|
rEmitter.maBuffer.append(dbl2str( mpCffLocal->mfBlueScale));
|
|
rEmitter.maBuffer.append( " def\n");
|
|
}
|
|
if( mpCffLocal->mfBlueShift) { // default BlueShift==7
|
|
rEmitter.maBuffer.append( "/BlueShift ");
|
|
rEmitter.maBuffer.append(dbl2str( mpCffLocal->mfBlueShift));
|
|
rEmitter.maBuffer.append( " def\n");
|
|
}
|
|
if( mpCffLocal->mfBlueFuzz) { // default BlueFuzz==1
|
|
rEmitter.maBuffer.append( "/BlueFuzz ");
|
|
rEmitter.maBuffer.append(dbl2str( mpCffLocal->mfBlueFuzz));
|
|
rEmitter.maBuffer.append( " def\n");
|
|
}
|
|
|
|
// emit stem hint related privdict entries
|
|
if( mpCffLocal->maStemStdHW) {
|
|
rEmitter.maBuffer.append( "/StdHW [");
|
|
rEmitter.maBuffer.append(dbl2str( mpCffLocal->maStemStdHW));
|
|
rEmitter.maBuffer.append( "] def\n");
|
|
}
|
|
if( mpCffLocal->maStemStdVW) {
|
|
rEmitter.maBuffer.append( "/StdVW [");
|
|
rEmitter.maBuffer.append(dbl2str( mpCffLocal->maStemStdVW));
|
|
rEmitter.maBuffer.append( "] def\n");
|
|
}
|
|
rEmitter.emitValVector( "/StemSnapH [", "]ND\n", mpCffLocal->maStemSnapH);
|
|
rEmitter.emitValVector( "/StemSnapV [", "]ND\n", mpCffLocal->maStemSnapV);
|
|
|
|
// emit other hints
|
|
if( mpCffLocal->mbForceBold)
|
|
rEmitter.maBuffer.append( "/ForceBold true def\n");
|
|
if( mpCffLocal->mnLangGroup != 0)
|
|
rEmitter.maBuffer.append(
|
|
"/LanguageGroup " + OString::number(mpCffLocal->mnLangGroup) + " def\n");
|
|
if( mpCffLocal->mnLangGroup == 1) // compatibility with ancient printers
|
|
rEmitter.maBuffer.append( "/RndStemUp false def\n");
|
|
if( mpCffLocal->mfExpFactor) {
|
|
rEmitter.maBuffer.append( "/ExpansionFactor ");
|
|
rEmitter.maBuffer.append(dbl2str( mpCffLocal->mfExpFactor));
|
|
rEmitter.maBuffer.append( " def\n");
|
|
}
|
|
|
|
// emit remaining privdict entries
|
|
rEmitter.maBuffer.append( "/UniqueID " + OString::number(nUniqueId) + " def\n");
|
|
// TODO?: more privdict entries?
|
|
|
|
rEmitter.maBuffer.append(
|
|
"/OtherSubrs\n"
|
|
"% Dummy code for faking flex hints\n"
|
|
"[ {} {} {} {systemdict /internaldict known not {pop 3}\n"
|
|
"{1183615869 systemdict /internaldict get exec\n"
|
|
"dup /startlock known\n"
|
|
"{/startlock get exec}\n"
|
|
"{dup /strtlck known\n"
|
|
"{/strtlck get exec}\n"
|
|
"{pop 3}\nifelse}\nifelse}\nifelse\n} executeonly\n"
|
|
"] ND\n");
|
|
|
|
// emit used GlobalSubr charstrings
|
|
// these are the just the default subrs
|
|
// TODO: do we need them as the flex hints are resolved differently?
|
|
rEmitter.maBuffer.append(
|
|
"/Subrs 5 array\n"
|
|
"dup 0 15 RD \x5F\x3D\x6B\xAC\x3C\xBD\x74\x3D\x3E\x17\xA0\x86\x58\x08\x85 NP\n"
|
|
"dup 1 9 RD \x5F\x3D\x6B\xD8\xA6\xB5\x68\xB6\xA2 NP\n"
|
|
"dup 2 9 RD \x5F\x3D\x6B\xAC\x39\x46\xB9\x43\xF9 NP\n"
|
|
"dup 3 5 RD \x5F\x3D\x6B\xAC\xB9 NP\n"
|
|
"dup 4 12 RD \x5F\x3D\x6B\xAC\x3E\x5D\x48\x54\x62\x76\x39\x03 NP\n"
|
|
"ND\n");
|
|
|
|
// TODO: emit more GlobalSubr charstrings?
|
|
// TODO: emit used LocalSubr charstrings?
|
|
|
|
// emit the CharStrings for the requested glyphs
|
|
std::vector<CharString> aCharStrings;
|
|
mbDoSeac = true;
|
|
convertCharStrings(pReqGlyphIds, nGlyphCount, aCharStrings);
|
|
|
|
// The previous convertCharStrings might collect extra glyphs used in seac
|
|
// operator, convert them as well
|
|
if (!maExtraGlyphIds.empty())
|
|
{
|
|
mbDoSeac = false;
|
|
convertCharStrings(maExtraGlyphIds.data(), maExtraGlyphIds.size(), aCharStrings);
|
|
}
|
|
rEmitter.maBuffer.append(
|
|
"2 index /CharStrings " + OString::number(aCharStrings.size()) + " dict dup begin\n");
|
|
rEmitter.emitAllCrypted();
|
|
for (const auto& rCharString : aCharStrings)
|
|
{
|
|
// get the glyph name
|
|
OString pGlyphName = getGlyphName(rCharString.nCffGlyphId);
|
|
// emit the encrypted Type1op charstring
|
|
rEmitter.maBuffer.append(
|
|
"/" + pGlyphName + " " + OString::number(rCharString.nLen) + " RD ");
|
|
rEmitter.maBuffer.append(
|
|
reinterpret_cast<char const *>(rCharString.aOps), rCharString.nLen);
|
|
rEmitter.maBuffer.append( " ND\n");
|
|
rEmitter.emitAllCrypted();
|
|
// provide individual glyphwidths if requested
|
|
}
|
|
rEmitter.maBuffer.append( "end end\nreadonly put\nput\n");
|
|
rEmitter.maBuffer.append( "dup/FontName get exch definefont pop\n");
|
|
rEmitter.maBuffer.append( "mark currentfile closefile\n");
|
|
rEmitter.emitAllCrypted();
|
|
|
|
// mark stop of eexec encryption
|
|
if( rEmitter.mbPfbSubset) {
|
|
const int nEExecLen = rEmitter.tellPos() - nEExecSegTell;
|
|
rEmitter.updateLen( nEExecSegTell-4, nEExecLen);
|
|
}
|
|
|
|
// create PFB footer
|
|
static const char aPfxFooter[] = "\x80\x01\x14\x02\x00\x00\n" // TODO: check segment len
|
|
"0000000000000000000000000000000000000000000000000000000000000000\n"
|
|
"0000000000000000000000000000000000000000000000000000000000000000\n"
|
|
"0000000000000000000000000000000000000000000000000000000000000000\n"
|
|
"0000000000000000000000000000000000000000000000000000000000000000\n"
|
|
"0000000000000000000000000000000000000000000000000000000000000000\n"
|
|
"0000000000000000000000000000000000000000000000000000000000000000\n"
|
|
"0000000000000000000000000000000000000000000000000000000000000000\n"
|
|
"0000000000000000000000000000000000000000000000000000000000000000\n"
|
|
"cleartomark\n"
|
|
"\x80\x03";
|
|
if( rEmitter.mbPfbSubset)
|
|
rEmitter.emitRawData( aPfxFooter, sizeof(aPfxFooter)-1);
|
|
else
|
|
rEmitter.emitRawData( aPfxFooter+6, sizeof(aPfxFooter)-9);
|
|
|
|
// provide details to the subset requesters, TODO: move into own method?
|
|
// note: Top and Bottom are flipped between Type1 and VCL
|
|
// note: the rest of VCL expects the details below to be scaled like for an emUnits==1000 font
|
|
|
|
rFSInfo.m_nFontType = rEmitter.mbPfbSubset ? FontType::TYPE1_PFB : FontType::TYPE1_PFA;
|
|
|
|
if (rFSInfo.m_bFilled)
|
|
return;
|
|
|
|
rFSInfo.m_aFontBBox = { Point(static_cast<sal_Int32>(aFontBBox[0] * fXFactor),
|
|
static_cast<sal_Int32>(aFontBBox[1] * fYFactor)),
|
|
Point(static_cast<sal_Int32>(aFontBBox[2] * fXFactor),
|
|
static_cast<sal_Int32>(aFontBBox[3] * fYFactor)) };
|
|
// PDF-Spec says the values below mean the ink bounds!
|
|
// TODO: use better approximations for these ink bounds
|
|
rFSInfo.m_nAscent = +rFSInfo.m_aFontBBox.Bottom(); // for capital letters
|
|
rFSInfo.m_nDescent = -rFSInfo.m_aFontBBox.Top(); // for all letters
|
|
rFSInfo.m_nCapHeight = rFSInfo.m_nAscent; // for top-flat capital letters
|
|
|
|
rFSInfo.m_aPSName = OUString( rEmitter.maSubsetName, strlen(rEmitter.maSubsetName), RTL_TEXTENCODING_UTF8 );
|
|
}
|
|
|
|
bool FontSubsetInfo::CreateFontSubsetFromCff()
|
|
{
|
|
CffSubsetterContext aCff( mpInFontBytes, mnInByteLength);
|
|
bool bRC = aCff.initialCffRead();
|
|
if (!bRC)
|
|
return bRC;
|
|
|
|
// emit Type1 subset from the CFF input
|
|
// TODO: also support CFF->CFF subsetting (when PDF-export and PS-printing need it)
|
|
const bool bPfbSubset(mnReqFontTypeMask & FontType::TYPE1_PFB);
|
|
Type1Emitter aType1Emitter( mpOutFile, bPfbSubset);
|
|
aType1Emitter.setSubsetName( maReqFontName.getStr() );
|
|
aCff.emitAsType1( aType1Emitter,
|
|
mpReqGlyphIds, mpReqEncodedIds,
|
|
mnReqGlyphCount, *this);
|
|
return true;
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|