gfx/thebes/gfxUniscribeShaper.h@97036ab72558
gfx/thebes/gfxUniscribeShaper.h
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
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 */
