ScaledFontMac.h - mozsearch

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

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

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

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

#ifndef MOZILLA_GFX_SCALEDFONTMAC_H_

#define MOZILLA_GFX_SCALEDFONTMAC_H_

#ifdef MOZ_WIDGET_COCOA

#  include <ApplicationServices/ApplicationServices.h>

#else

#  include <CoreGraphics/CoreGraphics.h>

#  include <CoreText/CoreText.h>

#endif

#include "2D.h"

#include "ScaledFontBase.h"

namespace mozilla {

namespace gfx {

// Utility to create a CTFont from a CGFont, copying any variations that were

// set on the original CGFont, and applying additional attributes from aDesc

// (which may be NULL).

// Exposed here because it is also used by gfxMacFont and gfxCoreTextShaper.

CTFontRef CreateCTFontFromCGFontWithVariations(

    CGFontRef aCGFont, CGFloat aSize, bool aInstalledFont,

    CTFontDescriptorRef aFontDesc = nullptr);

class UnscaledFontMac;

class ScaledFontMac : public ScaledFontBase {

 public:

  MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(ScaledFontMac, override)

  ScaledFontMac(CGFontRef aFont, const RefPtr<UnscaledFont>& aUnscaledFont,

                Float aSize, bool aOwnsFont = false,

                bool aUseFontSmoothing = true, bool aApplySyntheticBold = false,

                bool aHasColorGlyphs = false);

  ScaledFontMac(CTFontRef aFont, const RefPtr<UnscaledFont>& aUnscaledFont,

                bool aUseFontSmoothing = true, bool aApplySyntheticBold = false,

                bool aHasColorGlyphs = false);

  ~ScaledFontMac();

  FontType GetType() const override { return FontType::MAC; }

  SkTypeface* CreateSkTypeface() override;

  void SetupSkFontDrawOptions(SkFont& aFont) override;

  already_AddRefed<Path> GetPathForGlyphs(const GlyphBuffer& aBuffer,

                                          const DrawTarget* aTarget) override;

  bool GetFontInstanceData(FontInstanceDataOutput aCb, void* aBaton) override;

  bool GetWRFontInstanceOptions(

      Maybe<wr::FontInstanceOptions>* aOutOptions,

      Maybe<wr::FontInstancePlatformOptions>* aOutPlatformOptions,

      std::vector<FontVariation>* aOutVariations) override;

  bool CanSerialize() override { return true; }

  bool MayUseBitmaps() override { return mHasColorGlyphs; }

  bool UseSubpixelPosition() const override { return true; }

  cairo_font_face_t* CreateCairoFontFace(

      cairo_font_options_t* aFontOptions) override;

 private:

  friend class DrawTargetSkia;

  friend class UnscaledFontMac;

  CGFontRef mFont;

  CTFontRef

      mCTFont;  // only created if CTFontDrawGlyphs is available, otherwise null

  bool mUseFontSmoothing;

  bool mApplySyntheticBold;

  bool mHasColorGlyphs;

  struct InstanceData {

    explicit InstanceData(ScaledFontMac* aScaledFont)

        : mUseFontSmoothing(aScaledFont->mUseFontSmoothing),

          mApplySyntheticBold(aScaledFont->mApplySyntheticBold),

          mHasColorGlyphs(aScaledFont->mHasColorGlyphs) {}

    InstanceData(const wr::FontInstanceOptions* aOptions,

                 const wr::FontInstancePlatformOptions* aPlatformOptions);

    bool mUseFontSmoothing;

    bool mApplySyntheticBold;

    bool mHasColorGlyphs;

};

};

}  // namespace gfx

}  // namespace mozilla

#endif /* MOZILLA_GFX_SCALEDFONTMAC_H_ */