gfx/2d/ScaledFontCairo.h

   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/. */
   5
   6 #ifndef MOZILLA_GFX_SCALEDFONTCAIRO_H_
   7 #define MOZILLA_GFX_SCALEDFONTCAIRO_H_
   8
   9 #include "ScaledFontBase.h"
  10
  11 #include "cairo.h"
  12
  13 namespace mozilla {
  14 namespace gfx {
  15
  16 class ScaledFontCairo : public ScaledFontBase
  17 {
  18 public:
  19   MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(ScaledFontCairo)
  20
  21   ScaledFontCairo(cairo_scaled_font_t* aScaledFont, Float aSize);
  22
  23 #if defined(USE_SKIA) && defined(MOZ_ENABLE_FREETYPE)
  24   virtual SkTypeface* GetSkTypeface();
  25 #endif
  26 };
  27
  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   }
  42
  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 };
  52
  53 }
  54 }
  55
  56 #endif /* MOZILLA_GFX_SCALEDFONTCAIRO_H_ */