The Tor Browser: gfx/thebes/gfxUniscribeShaper.h@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-

     2  * This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #ifndef GFX_UNISCRIBESHAPER_H

     7 #define GFX_UNISCRIBESHAPER_H

     9 #include "gfxTypes.h"

    10 #include "gfxGDIFont.h"

    12 #include <usp10.h>

    13 #include <cairo-win32.h>

    16 class gfxUniscribeShaper : public gfxFontShaper

    17 {

    18 public:

    19     gfxUniscribeShaper(gfxGDIFont *aFont)

    20         : gfxFontShaper(aFont)

    21         , mScriptCache(nullptr)

    22     {

    23         MOZ_COUNT_CTOR(gfxUniscribeShaper);

    24     }

    26     virtual ~gfxUniscribeShaper()

    27     {

    28         MOZ_COUNT_DTOR(gfxUniscribeShaper);

    29     }

    31     virtual bool ShapeText(gfxContext      *aContext,

    32                            const char16_t *aText,

    33                            uint32_t         aOffset,

    34                            uint32_t         aLength,

    35                            int32_t          aScript,

    36                            gfxShapedText   *aShapedText);

    38     SCRIPT_CACHE *ScriptCache() { return &mScriptCache; }

    40     gfxGDIFont *GetFont() { return static_cast<gfxGDIFont*>(mFont); }

    42 private:

    43     SCRIPT_CACHE mScriptCache;

    45     enum {

    46         kUnicodeVS17 = gfxFontUtils::kUnicodeVS17,

    47         kUnicodeVS256 = gfxFontUtils::kUnicodeVS256

    48     };

    49 };

    51 #endif /* GFX_UNISCRIBESHAPER_H */

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