105 lines
3.2 KiB
C++
105 lines
3.2 KiB
C++
// SPDX-License-Identifier: MIT OR MPL-2.0 OR LGPL-2.1-or-later OR GPL-2.0-or-later
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// Copyright 2010, SIL International, All rights reserved.
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#pragma once
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#include "graphite2/Font.h"
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#include "inc/Main.h"
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#include "inc/Pass.h"
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namespace graphite2 {
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class Face;
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class Segment;
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class FeatureVal;
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class VMScratch;
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class Error;
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class Pseudo
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{
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public:
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uint32 uid;
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uint32 gid;
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CLASS_NEW_DELETE;
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};
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class Justinfo
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{
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public:
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Justinfo(uint8 stretch, uint8 shrink, uint8 step, uint8 weight) :
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m_astretch(stretch), m_ashrink(shrink), m_astep(step),
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m_aweight(weight) {};
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uint8 attrStretch() const { return m_astretch; }
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uint8 attrShrink() const { return m_ashrink; }
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uint8 attrStep() const { return m_astep; }
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uint8 attrWeight() const { return m_aweight; }
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private:
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uint8 m_astretch;
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uint8 m_ashrink;
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uint8 m_astep;
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uint8 m_aweight;
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};
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class Silf
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{
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// Prevent copying
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Silf(const Silf&);
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Silf& operator=(const Silf&);
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public:
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Silf() throw();
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~Silf() throw();
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bool readGraphite(const byte * const pSilf, size_t lSilf, Face &face, uint32 version);
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bool runGraphite(Segment *seg, uint8 firstPass=0, uint8 lastPass=0, int dobidi = 0) const;
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uint16 findClassIndex(uint16 cid, uint16 gid) const;
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uint16 getClassGlyph(uint16 cid, unsigned int index) const;
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uint16 findPseudo(uint32 uid) const;
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uint8 numUser() const { return m_aUser; }
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uint8 aPseudo() const { return m_aPseudo; }
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uint8 aBreak() const { return m_aBreak; }
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uint8 aMirror() const {return m_aMirror; }
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uint8 aPassBits() const { return m_aPassBits; }
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uint8 aBidi() const { return m_aBidi; }
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uint8 aCollision() const { return m_aCollision; }
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uint8 substitutionPass() const { return m_sPass; }
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uint8 positionPass() const { return m_pPass; }
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uint8 justificationPass() const { return m_jPass; }
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uint8 bidiPass() const { return m_bPass; }
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uint8 numPasses() const { return m_numPasses; }
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uint8 maxCompPerLig() const { return m_iMaxComp; }
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uint16 numClasses() const { return m_nClass; }
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byte flags() const { return m_flags; }
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byte dir() const { return m_dir; }
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uint8 numJustLevels() const { return m_numJusts; }
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Justinfo *justAttrs() const { return m_justs; }
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uint16 endLineGlyphid() const { return m_gEndLine; }
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const gr_faceinfo *silfInfo() const { return &m_silfinfo; }
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CLASS_NEW_DELETE;
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private:
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size_t readClassMap(const byte *p, size_t data_len, uint32 version, Error &e);
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template<typename T> inline uint32 readClassOffsets(const byte *&p, size_t data_len, Error &e);
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Pass * m_passes;
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Pseudo * m_pseudos;
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uint32 * m_classOffsets;
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uint16 * m_classData;
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Justinfo * m_justs;
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uint8 m_numPasses;
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uint8 m_numJusts;
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uint8 m_sPass, m_pPass, m_jPass, m_bPass,
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m_flags, m_dir;
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uint8 m_aPseudo, m_aBreak, m_aUser, m_aBidi, m_aMirror, m_aPassBits,
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m_iMaxComp, m_aCollision;
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uint16 m_aLig, m_numPseudo, m_nClass, m_nLinear,
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m_gEndLine;
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gr_faceinfo m_silfinfo;
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void releaseBuffers() throw();
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};
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} // namespace graphite2
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