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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /gfx/graphite2/src/inc/FeatureMap.h | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/graphite2/src/inc/FeatureMap.h')
-rw-r--r-- | gfx/graphite2/src/inc/FeatureMap.h | 198 |
1 files changed, 198 insertions, 0 deletions
diff --git a/gfx/graphite2/src/inc/FeatureMap.h b/gfx/graphite2/src/inc/FeatureMap.h new file mode 100644 index 0000000000..0f05e941a2 --- /dev/null +++ b/gfx/graphite2/src/inc/FeatureMap.h @@ -0,0 +1,198 @@ +/* GRAPHITE2 LICENSING + + Copyright 2010, SIL International + All rights reserved. + + This library is free software; you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published + by the Free Software Foundation; either version 2.1 of 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 + Lesser General Public License for more details. + + You should also have received a copy of the GNU Lesser General Public + License along with this library in the file named "LICENSE". + If not, write to the Free Software Foundation, 51 Franklin Street, + Suite 500, Boston, MA 02110-1335, USA or visit their web page on the + internet at http://www.fsf.org/licenses/lgpl.html. + +Alternatively, the contents of this file may be used under the terms of the +Mozilla Public License (http://mozilla.org/MPL) or 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. +*/ +#pragma once +#include "inc/Main.h" +#include "inc/FeatureVal.h" + +namespace graphite2 { + +// Forward declarations for implmentation types +class FeatureMap; +class Face; + + +class FeatureSetting +{ +public: + FeatureSetting(int16 theValue, uint16 labelId) : m_label(labelId), m_value(theValue) {}; + uint16 label() const { return m_label; } + int16 value() const { return m_value; } + + CLASS_NEW_DELETE; +private: + FeatureSetting(const FeatureSetting & fs) : m_label(fs.m_label), m_value(fs.m_value) {}; + + uint16 m_label; + int16 m_value; +}; + +class FeatureRef +{ + typedef uint32 chunk_t; + static const uint8 SIZEOF_CHUNK = sizeof(chunk_t)*8; + +public: + enum flags_t : uint16 { + HIDDEN = 0x0800 + }; + FeatureRef() throw(); + FeatureRef(const Face & face, unsigned short & bits_offset, uint32 max_val, + uint32 name, uint16 uiName, flags_t flags, + FeatureSetting *settings, uint16 num_set) throw(); + ~FeatureRef() throw(); + + bool applyValToFeature(uint32 val, Features& pDest) const; //defined in GrFaceImp.h + void maskFeature(Features & pDest) const { + if (m_index < pDest.size()) //defensive + pDest[m_index] |= m_mask; + } + + uint32 getFeatureVal(const Features& feats) const; //defined in GrFaceImp.h + + uint32 getId() const { return m_id; } + uint16 getNameId() const { return m_nameid; } + uint16 getNumSettings() const { return m_numSet; } + uint16 getSettingName(uint16 index) const { return m_nameValues[index].label(); } + int16 getSettingValue(uint16 index) const { return m_nameValues[index].value(); } + flags_t getFlags() const { return m_flags; } + uint32 maxVal() const { return m_max; } + const Face & getFace() const { assert(m_face); return *m_face;} + const FeatureMap* getFeatureMap() const;// { return m_pFace;} + + CLASS_NEW_DELETE; +private: + FeatureRef(const FeatureRef & rhs); + + const Face * m_face; + FeatureSetting * m_nameValues; // array of name table ids for feature values + chunk_t m_mask, // bit mask to get the value from the vector + m_max; // max value the value can take + uint32 m_id; // feature identifier/name + uint16 m_nameid, // Name table id for feature name + m_numSet; // number of values (number of entries in m_nameValues) + flags_t m_flags; // feature flags see FeatureRef::flags_t. + byte m_bits, // how many bits to shift the value into place + m_index; // index into the array to find the ulong to mask + +private: //unimplemented + FeatureRef& operator=(const FeatureRef&); +}; + +inline +FeatureRef::FeatureRef() throw() +: m_face(0), + m_nameValues(0), + m_mask(0), m_max(0), + m_id(0), m_nameid(0), m_numSet(0), + m_flags(flags_t(0)), + m_bits(0), m_index(0) +{ +} + + +class NameAndFeatureRef +{ + public: + NameAndFeatureRef(uint32 name = 0) : m_name(name) , m_pFRef(NULL){} + NameAndFeatureRef(FeatureRef const & p) : m_name(p.getId()), m_pFRef(&p) {} + + bool operator<(const NameAndFeatureRef& rhs) const //orders by m_name + { return m_name<rhs.m_name; } + + CLASS_NEW_DELETE + + uint32 m_name; + const FeatureRef* m_pFRef; +}; + +class FeatureMap +{ +public: + FeatureMap() : m_numFeats(0), m_feats(NULL), m_pNamedFeats(NULL) {} + ~FeatureMap() { delete[] m_feats; delete[] m_pNamedFeats; } + + bool readFeats(const Face & face); + const FeatureRef *findFeatureRef(uint32 name) const; + FeatureRef *feature(uint16 index) const { return m_feats + index; } + //GrFeatureRef *featureRef(byte index) { return index < m_numFeats ? m_feats + index : NULL; } + const FeatureRef *featureRef(byte index) const { return index < m_numFeats ? m_feats + index : NULL; } + FeatureVal* cloneFeatures(uint32 langname/*0 means default*/) const; //call destroy_Features when done. + uint16 numFeats() const { return m_numFeats; }; + CLASS_NEW_DELETE +private: +friend class SillMap; + uint16 m_numFeats; + + FeatureRef *m_feats; + NameAndFeatureRef* m_pNamedFeats; //owned + FeatureVal m_defaultFeatures; //owned + +private: //defensive on m_feats, m_pNamedFeats, and m_defaultFeatures + FeatureMap(const FeatureMap&); + FeatureMap& operator=(const FeatureMap&); +}; + + +class SillMap +{ +private: + class LangFeaturePair + { + LangFeaturePair(const LangFeaturePair &); + LangFeaturePair & operator = (const LangFeaturePair &); + + public: + LangFeaturePair() : m_lang(0), m_pFeatures(0) {} + ~LangFeaturePair() { delete m_pFeatures; } + + uint32 m_lang; + Features* m_pFeatures; //owns + CLASS_NEW_DELETE + }; +public: + SillMap() : m_langFeats(NULL), m_numLanguages(0) {} + ~SillMap() { delete[] m_langFeats; } + bool readFace(const Face & face); + bool readSill(const Face & face); + FeatureVal* cloneFeatures(uint32 langname/*0 means default*/) const; //call destroy_Features when done. + uint16 numLanguages() const { return m_numLanguages; }; + uint32 getLangName(uint16 index) const { return (index < m_numLanguages)? m_langFeats[index].m_lang : 0; }; + + const FeatureMap & theFeatureMap() const { return m_FeatureMap; }; +private: + FeatureMap m_FeatureMap; //of face + LangFeaturePair * m_langFeats; + uint16 m_numLanguages; + +private: //defensive on m_langFeats + SillMap(const SillMap&); + SillMap& operator=(const SillMap&); +}; + +} // namespace graphite2 + +struct gr_feature_ref : public graphite2::FeatureRef {}; |