The Tor Browser: gfx/2d/ScaledFontCairo.h@97036ab72558

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: 2 -*-

     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 MOZILLA_GFX_SCALEDFONTCAIRO_H_

     7 #define MOZILLA_GFX_SCALEDFONTCAIRO_H_

     9 #include "ScaledFontBase.h"

    11 #include "cairo.h"

    13 namespace mozilla {

    14 namespace gfx {

    16 class ScaledFontCairo : public ScaledFontBase

    17 {

    18 public:

    19   MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(ScaledFontCairo)

    21   ScaledFontCairo(cairo_scaled_font_t* aScaledFont, Float aSize);

    23 #if defined(USE_SKIA) && defined(MOZ_ENABLE_FREETYPE)

    24   virtual SkTypeface* GetSkTypeface();

    25 #endif

    26 };

    28 // We need to be able to tell Skia whether or not to use

    29 // hinting when rendering text, so that the glyphs it renders

    30 // are the same as what layout is expecting. At the moment, only

    31 // Skia uses this class when rendering with FreeType, as gfxFT2Font

    32 // is the only gfxFont that honours gfxPlatform::FontHintingEnabled().

    33 class GlyphRenderingOptionsCairo : public GlyphRenderingOptions

    34 {

    35 public:

    36   MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(GlyphRenderingOptionsCairo)

    37   GlyphRenderingOptionsCairo()

    38     : mHinting(FontHinting::NORMAL)

    39     , mAutoHinting(false)

    40   {

    41   }

    43   void SetHinting(FontHinting aHinting) { mHinting = aHinting; }

    44   void SetAutoHinting(bool aAutoHinting) { mAutoHinting = aAutoHinting; }

    45   FontHinting GetHinting() const { return mHinting; }

    46   bool GetAutoHinting() const { return mAutoHinting; }

    47   virtual FontType GetType() const { return FontType::CAIRO; }

    48 private:

    49   FontHinting mHinting;

    50   bool mAutoHinting;

    51 };

    53 }

    54 }

    56 #endif /* MOZILLA_GFX_SCALEDFONTCAIRO_H_ */

The Tor Browser / file revision

gfx/2d/ScaledFontCairo.h@97036ab72558

gfx/2d/ScaledFontCairo.h