The Tor Browser: gfx/skia/trunk/src/core/SkFontStream.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /*

     2  * Copyright 2013 Google Inc.

     3  *

     4  * Use of this source code is governed by a BSD-style license that can be

     5  * found in the LICENSE file.

     6  */

     8 #ifndef SkFontStream_DEFINED

     9 #define SkFontStream_DEFINED

    11 class SkStream;

    13 #include "SkTypeface.h"

    15 class SkFontStream {

    16 public:

    17     /**

    18      *  Return the number of shared directories inside a TTC sfnt, or return 1

    19      *  if the stream is a normal sfnt (ttf). If there is an error or

    20      *  no directory is found, return 0.

    21      *

    22      *  Note: the stream is rewound initially, but is returned at an arbitrary

    23      *  read offset.

    24      */

    25     static int CountTTCEntries(SkStream*);

    27     /**

    28      *  @param ttcIndex 0 for normal sfnts, or the index within a TTC sfnt.

    29      *

    30      *  Note: the stream is rewound initially, but is returned at an arbitrary

    31      *  read offset.

    32      */

    33     static int GetTableTags(SkStream*, int ttcIndex, SkFontTableTag tags[]);

    35     /**

    36      *  @param ttcIndex 0 for normal sfnts, or the index within a TTC sfnt.

    37      *

    38      *  Note: the stream is rewound initially, but is returned at an arbitrary

    39      *  read offset.

    40      */

    41     static size_t GetTableData(SkStream*, int ttcIndex, SkFontTableTag tag,

    42                                size_t offset, size_t length, void* data);

    44     static size_t GetTableSize(SkStream* stream, int ttcIndex, SkFontTableTag tag) {

    45         return GetTableData(stream, ttcIndex, tag, 0, ~0U, NULL);

    46     }

    47 };

    49 #endif

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