| /* |
| * 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 "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 |