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Diffstat (limited to 'dviware/dvisvgm/src/ttf/TTFWriter.hpp')
-rw-r--r-- | dviware/dvisvgm/src/ttf/TTFWriter.hpp | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/dviware/dvisvgm/src/ttf/TTFWriter.hpp b/dviware/dvisvgm/src/ttf/TTFWriter.hpp new file mode 100644 index 0000000000..2580326859 --- /dev/null +++ b/dviware/dvisvgm/src/ttf/TTFWriter.hpp @@ -0,0 +1,113 @@ +/************************************************************************* +** TTFWriter.hpp ** +** ** +** This file is part of dvisvgm -- a fast DVI to SVG converter ** +** Copyright (C) 2005-2023 Martin Gieseking <martin.gieseking@uos.de> ** +** ** +** 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 3 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. ** +** ** +** You should have received a copy of the GNU General Public License ** +** along with this program; if not, see <http://www.gnu.org/licenses/>. ** +*************************************************************************/ + +#pragma once + +#include <set> +#include <vector> +#include "CmapTable.hpp" +#include "GlyfTable.hpp" +#include "HeadTable.hpp" +#include "HheaTable.hpp" +#include "HmtxTable.hpp" +#include "LocaTable.hpp" +#include "MaxpTable.hpp" +#include "NameTable.hpp" +#include "OS2Table.hpp" +#include "PostTable.hpp" +#include "VheaTable.hpp" +#include "VmtxTable.hpp" +#include "../GFGlyphTracer.hpp" +#include "../RangeMap.hpp" + +class PhysicalFont; + +namespace ttf { + +class TTFWriter { + public: + TTFWriter (const PhysicalFont &font, const std::set<int> &chars); + bool writeTTF (std::ostream &os); + bool writeWOFF (std::ostream &os); + bool writeWOFF2 (std::ostream &os); + bool writeTTF (const std::string &ttfname); + bool writeWOFF (const std::string &woffname); + bool writeWOFF2 (const std::string &woff2name); + static bool convertTTFToWOFF (std::istream &is, std::ostream &os); + static bool convertTTFToWOFF2 (std::istream &is, std::ostream &os); + static bool convertTTFToWOFF (const std::string &ttfname, const std::string &woffname); + static bool convertTTFToWOFF2 (const std::string &ttfname, const std::string &woff2name); + void setTracerCallback (GFGlyphTracer::Callback &callback) {_tracerCallback = &callback;} + GFGlyphTracer::Callback* getTracerCallback () const {return _tracerCallback;} + const PhysicalFont& getFont () const {return _font;} + const RangeMap& getUnicodeCharMap () const {return _unicodeCharMap;} + int targetUnitsPerEm () const; + double unitsPerEmFactor () const; + int16_t hAdvance (uint16_t c) const; + void updateGlobalBbox (uint32_t c, int16_t xmin, int16_t ymin, int16_t xmax, int16_t ymax); + bool isFixedPitch () const {return _hmtx.isFixedPitch();} + + void updateContourInfo (uint16_t maxContours, uint16_t maxPoints) { + _maxp.updateContourInfo(maxPoints, maxContours); + } + + void updateGlobalAdvanceWidth (uint16_t w, uint16_t numHMetrics) {_hhea.updateAdvanceWidth(w, numHMetrics);} + void updateGlobalAdvanceHeight (uint16_t h, uint16_t numVMetrics) { + if (_vhea.active()) + _vhea.updateAdvanceHeight(h, numVMetrics); + } + + void addGlyphOffset (uint32_t offset) { + _loca.addOffset(offset); + if (offset > 0xFFFF) + _head.setLongOffsetFormat(); + } + +#ifdef TTFDEBUG + static bool CREATE_PS_GLYPH_OUTLINES; +#endif + + protected: + std::list<TableBuffer> createTableBuffers (); + + private: + const PhysicalFont &_font; + RangeMap _unicodeCharMap; ///< Unicode -> character code + GFGlyphTracer::Callback *_tracerCallback; + CmapTable _cmap; ///< glyph index to character code mapping table + GlyfTable _glyf; ///< glyph data table + HeadTable _head; ///< font header table + HheaTable _hhea; ///< horizontal header table + HmtxTable _hmtx; ///< horizontal metrics table + LocaTable _loca; ///< glyph index to location/offset table + MaxpTable _maxp; ///< maximum profile table + NameTable _name; ///< naming table + OS2Table _os2; ///< OS/2 and Windows specific metrics table + PostTable _post; ///< PostScript information table + VheaTable _vhea; ///< vertical header table + VmtxTable _vmtx; ///< vertical metrics table + // The following vector contains pointers to the TTF table objects declared above. + // If a table t1 contains data that computation depends on data of table t2, + // t1 must be inserted after t2. For example, the loca and head tables require data + // from the glyf table to compute their data, so that glyf must precede loca and head. + std::vector<TTFTable*> _tables; +}; + +} // namespace ttf
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