diff options
Diffstat (limited to 'Build/source/utils/lcdf-typetools/cfftot1/maket1font.cc')
-rw-r--r-- | Build/source/utils/lcdf-typetools/cfftot1/maket1font.cc | 569 |
1 files changed, 0 insertions, 569 deletions
diff --git a/Build/source/utils/lcdf-typetools/cfftot1/maket1font.cc b/Build/source/utils/lcdf-typetools/cfftot1/maket1font.cc deleted file mode 100644 index f693ce8b0ba..00000000000 --- a/Build/source/utils/lcdf-typetools/cfftot1/maket1font.cc +++ /dev/null @@ -1,569 +0,0 @@ -/* maket1font.{cc,hh} -- translate CFF fonts to Type 1 fonts - * - * Copyright (c) 2002-2006 Eddie Kohler - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. This program is distributed in the hope that it will be - * useful, but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General - * Public License for more details. - */ - -#ifdef HAVE_CONFIG_H -# include <config.h> -#endif -#include "maket1font.hh" -#include <efont/t1interp.hh> -#include <efont/t1csgen.hh> -#include <lcdf/point.hh> -#include <lcdf/error.hh> -#include <efont/t1font.hh> -#include <efont/t1item.hh> -#include <efont/t1unparser.hh> - -using namespace Efont; - -typedef unsigned CsRef; -enum { CSR_GLYPH = 0x00000000, CSR_SUBR = 0x80000000, - CSR_GSUBR = 0xC0000000, - CSR_TYPE = 0xC0000000, CSR_NUM = 0x3FFFFFFF }; - -class MakeType1CharstringInterp : public Type1CharstringGenInterp { public: - - MakeType1CharstringInterp(int precision = 5); - ~MakeType1CharstringInterp(); - - Type1Font *output() const { return _output; } - - void run(const CharstringProgram *, Type1Font *, PermString glyph_definer, ErrorHandler *); - void run(const CharstringContext &, Type1Charstring &, ErrorHandler *); - - bool type2_command(int, const uint8_t *, int *); - - String landmark() const; - - class Subr; - - private: - - // output - Type1Font *_output; - bool _flex_message; - - // subroutines - int _subr_bias; - int _gsubr_bias; - mutable Vector<Subr *> _glyphs; - mutable Vector<Subr *> _subrs; - mutable Vector<Subr *> _gsubrs; - - Subr *_cur_subr; - int _cur_glyph; - - Subr *csr_subr(CsRef, bool force) const; - Type1Charstring *csr_charstring(CsRef) const; - -}; - -class MakeType1CharstringInterp::Subr { public: - - Subr(CsRef csr) : _csr(csr), _output_subrno(-1), _stamp(0) { } - - bool up_to_date() const { return _stamp == max_stamp; } - void update() { _stamp = max_stamp; } - static void bump_date() { max_stamp++; } - - //String name(const MakeType1CharstringInterp *) const; - Type1Charstring *charstring(const MakeType1CharstringInterp *) const; - - int ncalls() const { return _calls.size(); } - Subr *call(int i) const { return _calls[i]; } - bool has_call(Subr *) const; - - struct Caller { - Subr *subr; - int pos; - int len; - String s; - Caller(Subr *s, int p, int l) : subr(s), pos(p), len(l) { } - String charstring(MakeType1CharstringInterp *mcsi) const { return subr->charstring(mcsi)->substring(pos, len); } - }; - - int ncallers() const { return _callers.size(); } - const Caller &caller(int i) const { return _callers[i]; } - - void add_call(Subr *s) { _calls.push_back(s); } - void add_caller(Subr *, int, int); - - int output_subrno() const { return _output_subrno; } - void set_output_subrno(int n) { _output_subrno = n; } - - void transfer_nested_calls(int pos, int length, Subr *new_caller) const; - void change_callers(Subr *, int pos, int length, int new_length); - bool unify(MakeType1CharstringInterp *); - - void caller_data(bool assign, MakeType1CharstringInterp *mcsi); - - private: - - CsRef _csr; - Vector<Subr *> _calls; - Vector<Caller> _callers; - - int _output_subrno; - int _stamp; - - static int max_stamp; - - friend class MakeType1CharstringInterp; - -}; - -int MakeType1CharstringInterp::Subr::max_stamp = 1; - -inline void -MakeType1CharstringInterp::Subr::add_caller(Subr *s, int pos, int len) -{ - _callers.push_back(Caller(s, pos, len)); -} - -bool -MakeType1CharstringInterp::Subr::has_call(Subr *s) const -{ - for (int i = 0; i < _calls.size(); i++) - if (_calls[i] == s) - return true; - return false; -} - - -/***** - * MakeType1CharstringInterp - **/ - -MakeType1CharstringInterp::MakeType1CharstringInterp(int precision) - : Type1CharstringGenInterp(precision), _flex_message(false) -{ -} - -MakeType1CharstringInterp::~MakeType1CharstringInterp() -{ - for (int i = 0; i < _glyphs.size(); i++) - delete _glyphs[i]; - for (int i = 0; i < _subrs.size(); i++) - delete _subrs[i]; - for (int i = 0; i < _gsubrs.size(); i++) - delete _gsubrs[i]; -} - -String -MakeType1CharstringInterp::landmark() const -{ - if (_cur_glyph >= 0 && _cur_glyph < program()->nglyphs()) - return String("glyph '") + program()->glyph_name(_cur_glyph) + "'"; - else - return String(); -} - - -// subroutines - -MakeType1CharstringInterp::Subr * -MakeType1CharstringInterp::csr_subr(CsRef csr, bool force) const -{ - Vector<Subr *> *vp; - if ((csr & CSR_TYPE) == CSR_SUBR) - vp = &_subrs; - else if ((csr & CSR_TYPE) == CSR_GSUBR) - vp = &_gsubrs; - else if ((csr & CSR_TYPE) == CSR_GLYPH) - vp = &_glyphs; - else - return 0; - - int n = (csr & CSR_NUM); - if (n >= vp->size()) - return 0; - - Subr *&what = (*vp)[n]; - if (!what && force) - what = new Subr(csr); - return what; -} - -#if 0 -String -MakeType1CharstringInterp::Subr::name(const MakeType1CharstringInterp *mcsi) const -{ - int n = (_csr & CSR_NUM); - switch (_csr & CSR_TYPE) { - case CSR_SUBR: - return "subr" + String(n); - case CSR_GSUBR: - return "gsubr" + String(n); - case CSR_GLYPH: - return mcsi->output()->glyph_name(n); - default: - return ""; - } -} -#endif - -Type1Charstring * -MakeType1CharstringInterp::Subr::charstring(const MakeType1CharstringInterp *mcsi) const -{ - int n = (_csr & CSR_NUM); - switch (_csr & CSR_TYPE) { - case CSR_SUBR: - case CSR_GSUBR: - if (_output_subrno >= 0) - return static_cast<Type1Charstring *>(mcsi->output()->subr(_output_subrno)); - return 0; - case CSR_GLYPH: - return static_cast<Type1Charstring *>(mcsi->output()->glyph(n)); - default: - return 0; - } -} - -void -MakeType1CharstringInterp::Subr::transfer_nested_calls(int pos, int length, Subr *new_caller) const -{ - int right = pos + length; - for (int i = 0; i < _calls.size(); i++) { - Subr *cs = _calls[i]; - // 11.Jul.2006 - remember not to shift the new caller's records! (Michael Zedler) - if (cs != new_caller) - for (int j = 0; j < cs->_callers.size(); j++) { - Caller &c = cs->_callers[j]; - if (c.subr == this && pos <= c.pos && c.pos + c.len <= right) { - // shift caller to point at the subroutine - c.subr = new_caller; - c.pos -= pos; - new_caller->add_call(cs); - } - } - } -} - -void -MakeType1CharstringInterp::Subr::change_callers(Subr *caller, int pos, int length, int new_length) -{ - if (up_to_date()) - return; - update(); - - int right = pos + length; - int delta = new_length - length; - for (int i = 0; i < _callers.size(); i++) { - Caller &c = _callers[i]; - if (c.subr != caller) - /* nada */; - else if (pos <= c.pos && c.pos + c.len <= right) { - // erase - //fprintf(stderr, " ERASE caller %08x:%d+%d\n", c.subr->_csr, c.pos, c.len); - c.subr = 0; - } else if (right <= c.pos) { - //fprintf(stderr, " ADJUST caller %08x:%d+%d -> %d+%d\n", c.subr->_csr, c.pos, c.len, c.pos+delta, c.len); - c.pos += delta; - } else if (c.pos <= pos && right <= c.pos + c.len) { - c.len += delta; - } else - c.subr = 0; - } -} - -void -MakeType1CharstringInterp::Subr::caller_data(bool assign, MakeType1CharstringInterp *mcsi) -{ - for (int i = 0; i < _callers.size(); i++) { - Caller &c = _callers[i]; - if (!c.subr) - continue; - String s = c.subr->charstring(mcsi)->substring(c.pos, c.len); - if (assign) - c.s = s; - else if (c.s != s) { - //fprintf(stderr, "FAIL %08x caller %08x:%d+%d\n", _csr, c.subr->_csr, c.pos, c.len); - //assert(0); - } - assert(c.subr->has_call(this)); - } -} - -bool -MakeType1CharstringInterp::Subr::unify(MakeType1CharstringInterp *mcsi) -{ - // clean up caller list - for (int i = 0; i < _callers.size(); i++) - if (!_callers[i].subr) { - _callers[i] = _callers.back(); - _callers.pop_back(); - i--; - } - - if (!_callers.size()) - return false; - assert(!_calls.size()); // because this hasn't been unified yet - - // Find the smallest shared substring. - String substr = _callers[0].charstring(mcsi); - int suboff = 0; - for (int i = 1; i < _callers.size(); i++) { - String substr1 = _callers[i].charstring(mcsi); - const char *d = substr.data() + suboff, *d1 = substr1.data(); - const char *dx = substr.data() + substr.length(), *d1x = d1 + substr1.length(); - while (dx > d && d1x > d1 && dx[-1] == d1x[-1]) - dx--, d1x--; - suboff = dx - substr.data(); - } - substr = substr.substring(Type1Charstring(substr).first_caret_after(suboff)); - if (!substr.length()) - return false; - for (int i = 0; i < _callers.size(); i++) { - Caller &c = _callers[i]; - if (int delta = c.len - substr.length()) { - c.pos += delta; - c.len -= delta; - } - } - - // otherwise, success - _output_subrno = mcsi->output()->nsubrs(); - mcsi->output()->set_subr(_output_subrno, Type1Charstring(substr + "\013")); - - // This subr has become real, so it is suitable for later unifications. - // Mark it as having called any subroutines contained completely within itself. - // How to do this? Look at one caller, and go over all its calls. - _callers[0].subr->transfer_nested_calls(_callers[0].pos, _callers[0].len, this); - - // adapt callers - String callsubr_string = Type1CharstringGen::callsubr_string(_output_subrno); - - for (int i = 0; i < _callers.size(); i++) - // 13.Jun.2003 - must check whether _callers[i].subr exists: if we - // called a subroutine more than once, change_callers() might have - // zeroed it out. - if (_callers[i].subr && _callers[i].subr != this) { - Subr::Caller c = _callers[i]; - c.subr->charstring(mcsi)->assign_substring(c.pos, c.len, callsubr_string); - Subr::bump_date(); - for (int j = 0; j < c.subr->ncalls(); j++) - c.subr->call(j)->change_callers(c.subr, c.pos, c.len, callsubr_string.length()); - assert(!_callers[i].subr); - } - - // this subr is no longer "called"/interpolated from anywhere - _callers.clear(); - - //fprintf(stderr, "Succeeded %x\n", _csr); - return true; -} - - -// running - -bool -MakeType1CharstringInterp::type2_command(int cmd, const uint8_t *data, int *left) -{ - switch (cmd) { - - case Cs::cCallsubr: - case Cs::cCallgsubr: - if (subr_depth() < MAX_SUBR_DEPTH && size() == 1) { - //fprintf(stderr, "succeeded %d\n", (int) top()); - bool g = (cmd == Cs::cCallgsubr); - CsRef csref = ((int)top() + program()->xsubr_bias(g)) | (g ? CSR_GSUBR : CSR_SUBR); - Subr *callee = csr_subr(csref, true); - if (callee) - _cur_subr->add_call(callee); - - int left = csgen().length(); - - bool more = callxsubr_command(g); - - int right = csgen().length(); - if (error() >= 0 && callee) - callee->add_caller(_cur_subr, left, right - left); - return more; - } else { - //fprintf(stderr, "failed %d\n", (int) top()); - goto normal; - } - - normal: - default: - return CharstringInterp::type2_command(cmd, data, left); - - } -} - -void -MakeType1CharstringInterp::run(const CharstringContext &g, Type1Charstring &out, ErrorHandler *errh) -{ - Type1CharstringGenInterp::run(g, out); - - if (Type1CharstringGenInterp::bad_flex() && !_flex_message) { - errh->lwarning(landmark(), "complex flex hint replaced with curves"); - errh->message("(This Type 2 format font contains flex hints prohibited by Type 1.\nI've safely replaced them with ordinary curves.)"); - _flex_message = true; - } -} - -void -MakeType1CharstringInterp::run(const CharstringProgram *program, Type1Font *output, PermString glyph_definer, ErrorHandler *errh) -{ - _output = output; - set_hint_replacement_storage(output); - - _glyphs.assign(program->nglyphs(), 0); - _subrs.assign(program->nsubrs(), 0); - _subr_bias = program->subr_bias(); - _gsubrs.assign(program->ngsubrs(), 0); - _gsubr_bias = program->gsubr_bias(); - - // run over the glyphs - int nglyphs = program->nglyphs(); - Type1Charstring receptacle; - for (int i = 0; i < nglyphs; i++) { - _cur_subr = _glyphs[i] = new Subr(CSR_GLYPH | i); - _cur_glyph = i; - run(program->glyph_context(i), receptacle, errh); -#if 0 - PermString n = program->glyph_name(i); - if (n == "integral.disp") { - fprintf(stderr, "%s was %s\n", n.c_str(), CharstringUnparser::unparse(*program->glyph(i)).c_str()); - fprintf(stderr, "%s == %s\n", n.c_str(), CharstringUnparser::unparse(receptacle).c_str()); - } -#endif - output->add_glyph(Type1Subr::make_glyph(program->glyph_name(i), receptacle, glyph_definer)); - } - - // unify Subrs - for (int i = 0; i < _subrs.size(); i++) - if (_subrs[i]) - _subrs[i]->unify(this); - - for (int i = 0; i < _gsubrs.size(); i++) - if (_gsubrs[i]) - _gsubrs[i]->unify(this); -} - - -/***** - * main - **/ - -static void -add_number_def(Type1Font *output, int dict, PermString name, const Cff::Font *font, Cff::DictOperator op) -{ - double v; - if (font->dict_value(op, &v)) - output->add_definition(dict, Type1Definition::make(name, v, "def")); -} - -static void -add_delta_def(Type1Font *output, int dict, PermString name, const Cff::Font *font, Cff::DictOperator op) -{ - Vector<double> vec; - if (font->dict_value(op, vec)) { - for (int i = 1; i < vec.size(); i++) - vec[i] += vec[i - 1]; - StringAccum sa; - for (int i = 0; i < vec.size(); i++) - sa << (i ? ' ' : '[') << vec[i]; - sa << ']'; - output->add_definition(dict, Type1Definition::make_literal(name, sa.take_string(), (dict == Type1Font::dP ? "|-" : "readonly def"))); - } -} - -Type1Font * -create_type1_font(Cff::Font *font, ErrorHandler *errh) -{ - String version = font->dict_string(Cff::oVersion); - Type1Font *output = Type1Font::skeleton_make(font->font_name(), version); - output->skeleton_comments_end(); - StringAccum sa; - - // FontInfo dictionary - if (version) - output->add_definition(Type1Font::dFI, Type1Definition::make_string("version", version, "readonly def")); - if (String s = font->dict_string(Cff::oNotice)) - output->add_definition(Type1Font::dFI, Type1Definition::make_string("Notice", s, "readonly def")); - if (String s = font->dict_string(Cff::oCopyright)) - output->add_definition(Type1Font::dFI, Type1Definition::make_string("Copyright", s, "readonly def")); - if (String s = font->dict_string(Cff::oFullName)) - output->add_definition(Type1Font::dFI, Type1Definition::make_string("FullName", s, "readonly def")); - if (String s = font->dict_string(Cff::oFamilyName)) - output->add_definition(Type1Font::dFI, Type1Definition::make_string("FamilyName", s, "readonly def")); - if (String s = font->dict_string(Cff::oWeight)) - output->add_definition(Type1Font::dFI, Type1Definition::make_string("Weight", s, "readonly def")); - double v; - if (font->dict_value(Cff::oIsFixedPitch, &v)) - output->add_definition(Type1Font::dFI, Type1Definition::make_literal("isFixedPitch", (v ? "true" : "false"), "def")); - add_number_def(output, Type1Font::dFI, "ItalicAngle", font, Cff::oItalicAngle); - add_number_def(output, Type1Font::dFI, "UnderlinePosition", font, Cff::oUnderlinePosition); - add_number_def(output, Type1Font::dFI, "UnderlineThickness", font, Cff::oUnderlineThickness); - output->skeleton_fontinfo_end(); - - // Encoding, other font dictionary entries - output->add_item(font->type1_encoding_copy()); - font->dict_value(Cff::oPaintType, &v); - output->add_definition(Type1Font::dF, Type1Definition::make("PaintType", v, "def")); - output->add_definition(Type1Font::dF, Type1Definition::make("FontType", 1.0, "def")); - Vector<double> vec; - if (font->dict_value(Cff::oFontMatrix, vec) && vec.size() == 6) { - sa << '[' << vec[0] << ' ' << vec[1] << ' ' << vec[2] << ' ' << vec[3] << ' ' << vec[4] << ' ' << vec[5] << ']'; - output->add_definition(Type1Font::dF, Type1Definition::make_literal("FontMatrix", sa.take_string(), "readonly def")); - } else - output->add_definition(Type1Font::dF, Type1Definition::make_literal("FontMatrix", "[0.001 0 0 0.001 0 0]", "readonly def")); - add_number_def(output, Type1Font::dF, "StrokeWidth", font, Cff::oStrokeWidth); - add_number_def(output, Type1Font::dF, "UniqueID", font, Cff::oUniqueID); - if (font->dict_value(Cff::oXUID, vec) && vec.size()) { - for (int i = 0; i < vec.size(); i++) - sa << (i ? ' ' : '[') << vec[i]; - sa << ']'; - output->add_definition(Type1Font::dF, Type1Definition::make_literal("XUID", sa.take_string(), "readonly def")); - } - if (font->dict_value(Cff::oFontBBox, vec) && vec.size() == 4) { - sa << '{' << vec[0] << ' ' << vec[1] << ' ' << vec[2] << ' ' << vec[3] << '}'; - output->add_definition(Type1Font::dF, Type1Definition::make_literal("FontBBox", sa.take_string(), "readonly def")); - } else - output->add_definition(Type1Font::dF, Type1Definition::make_literal("FontBBox", "{0 0 0 0}", "readonly def")); - output->skeleton_fontdict_end(); - - // Private dictionary - add_delta_def(output, Type1Font::dP, "BlueValues", font, Cff::oBlueValues); - add_delta_def(output, Type1Font::dP, "OtherBlues", font, Cff::oOtherBlues); - add_delta_def(output, Type1Font::dP, "FamilyBlues", font, Cff::oFamilyBlues); - add_delta_def(output, Type1Font::dP, "FamilyOtherBlues", font, Cff::oFamilyOtherBlues); - add_number_def(output, Type1Font::dP, "BlueScale", font, Cff::oBlueScale); - add_number_def(output, Type1Font::dP, "BlueShift", font, Cff::oBlueShift); - add_number_def(output, Type1Font::dP, "BlueFuzz", font, Cff::oBlueFuzz); - if (font->dict_value(Cff::oStdHW, &v)) - output->add_definition(Type1Font::dP, Type1Definition::make_literal("StdHW", String("[") + String(v) + "]", "|-")); - if (font->dict_value(Cff::oStdVW, &v)) - output->add_definition(Type1Font::dP, Type1Definition::make_literal("StdVW", String("[") + String(v) + "]", "|-")); - add_delta_def(output, Type1Font::dP, "StemSnapH", font, Cff::oStemSnapH); - add_delta_def(output, Type1Font::dP, "StemSnapV", font, Cff::oStemSnapV); - if (font->dict_value(Cff::oForceBold, &v)) - output->add_definition(Type1Font::dP, Type1Definition::make_literal("ForceBold", (v ? "true" : "false"), "def")); - add_number_def(output, Type1Font::dP, "LanguageGroup", font, Cff::oLanguageGroup); - add_number_def(output, Type1Font::dP, "ExpansionFactor", font, Cff::oExpansionFactor); - add_number_def(output, Type1Font::dP, "UniqueID", font, Cff::oUniqueID); - output->add_definition(Type1Font::dP, Type1Definition::make_literal("MinFeature", "{16 16}", "|-")); - output->add_definition(Type1Font::dP, Type1Definition::make_literal("password", "5839", "def")); - output->add_definition(Type1Font::dP, Type1Definition::make_literal("lenIV", "0", "def")); - output->skeleton_private_end(); - output->skeleton_common_subrs(); - - // add glyphs - MakeType1CharstringInterp maker(5); - maker.run(font, output, " |-", errh); - - return output; -} - -#include <lcdf/vector.cc> |