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- /*
- * Copyright 2013 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
- #ifndef SkFontStream_DEFINED
- #define SkFontStream_DEFINED
- class SkStream;
- #include "include/core/SkTypeface.h"
- class SkFontStream {
- public:
- /**
- * Return the number of shared directories inside a TTC sfnt, or return 1
- * if the stream is a normal sfnt (ttf). If there is an error or
- * no directory is found, return 0.
- *
- * Note: the stream is rewound initially, but is returned at an arbitrary
- * read offset.
- */
- static int CountTTCEntries(SkStream*);
- /**
- * @param ttcIndex 0 for normal sfnts, or the index within a TTC sfnt.
- *
- * Note: the stream is rewound initially, but is returned at an arbitrary
- * read offset.
- */
- static int GetTableTags(SkStream*, int ttcIndex, SkFontTableTag tags[]);
- /**
- * @param ttcIndex 0 for normal sfnts, or the index within a TTC sfnt.
- *
- * Note: the stream is rewound initially, but is returned at an arbitrary
- * read offset.
- */
- static size_t GetTableData(SkStream*, int ttcIndex, SkFontTableTag tag,
- size_t offset, size_t length, void* data);
- static size_t GetTableSize(SkStream* stream, int ttcIndex, SkFontTableTag tag) {
- return GetTableData(stream, ttcIndex, tag, 0, ~0U, nullptr);
- }
- };
- #endif
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