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68 lines
2.0 KiB
C++
68 lines
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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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#ifndef mozilla_gfx_SFNTNameTable_h
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#define mozilla_gfx_SFNTNameTable_h
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#include "mozilla/Function.h"
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#include "mozilla/UniquePtr.h"
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#include "mozilla/Vector.h"
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#include "u16string.h"
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namespace mozilla {
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namespace gfx {
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struct NameHeader;
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struct NameRecord;
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typedef Vector<Function<bool(const NameRecord*)>> NameRecordMatchers;
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class SFNTNameTable final
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{
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public:
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/**
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* Creates a SFNTNameTable if the header data is valid. Note that the data is
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* NOT copied, so must exist for the lifetime of the table.
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*
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* @param aNameData the Name Table data.
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* @param aDataLength length
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* @return UniquePtr to a SFNTNameTable or nullptr if the header is invalid.
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*/
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static UniquePtr<SFNTNameTable> Create(const uint8_t *aNameData,
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uint32_t aDataLength);
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/**
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* Gets the full name from the name table. If the full name string is not
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* present it will use the family space concatenated with the style.
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* This will only read names that are already UTF16.
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*
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* @param aU16FullName string to be populated with the full name.
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* @return true if the full name is successfully read.
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*/
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bool GetU16FullName(mozilla::u16string& aU16FullName);
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private:
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SFNTNameTable(const NameHeader *aNameHeader, const uint8_t *aNameData,
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uint32_t aDataLength);
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bool ReadU16Name(const NameRecordMatchers& aMatchers, mozilla::u16string& aU16Name);
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bool ReadU16NameFromRecord(const NameRecord *aNameRecord,
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mozilla::u16string& aU16Name);
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const NameRecord *mFirstRecord;
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const NameRecord *mEndOfRecords;
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const uint8_t *mStringData;
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const uint32_t mStringDataLength;
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};
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} // gfx
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} // mozilla
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#endif // mozilla_gfx_SFNTNameTable_h
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