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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* 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_SCALEDFONTBASE_H_
#define MOZILLA_GFX_SCALEDFONTBASE_H_
#include "2D.h"
// Skia uses cairo_scaled_font_t as the internal font type in ScaledFont
#if defined(USE_SKIA) || defined(USE_CAIRO)
#define USE_CAIRO_SCALED_FONT
#endif
#ifdef USE_SKIA
#include "skia/include/core/SkPath.h"
#include "skia/include/core/SkTypeface.h"
#endif
#ifdef USE_CAIRO_SCALED_FONT
#include "cairo.h"
#endif
namespace mozilla {
namespace gfx {
class ScaledFontBase : public ScaledFont
{
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(ScaledFontBase)
explicit ScaledFontBase(Float aSize);
virtual ~ScaledFontBase();
virtual already_AddRefed<Path> GetPathForGlyphs(const GlyphBuffer &aBuffer, const DrawTarget *aTarget);
virtual void CopyGlyphsToBuilder(const GlyphBuffer &aBuffer, PathBuilder *aBuilder, const Matrix *aTransformHint);
virtual void GetGlyphDesignMetrics(const uint16_t* aGlyphIndices, uint32_t aNumGlyphs, GlyphMetrics* aGlyphMetrics);
float GetSize() { return mSize; }
#ifdef USE_SKIA
virtual SkTypeface* GetSkTypeface() { return mTypeface; }
#endif
// Not true, but required to instantiate a ScaledFontBase.
virtual FontType GetType() const { return FontType::SKIA; }
#ifdef USE_CAIRO_SCALED_FONT
bool PopulateCairoScaledFont();
cairo_scaled_font_t* GetCairoScaledFont() { return mScaledFont; }
void SetCairoScaledFont(cairo_scaled_font_t* font);
#endif
protected:
friend class DrawTargetSkia;
#ifdef USE_SKIA
SkTypeface* mTypeface;
SkPath GetSkiaPathForGlyphs(const GlyphBuffer &aBuffer);
#endif
#ifdef USE_CAIRO_SCALED_FONT
// Overridders should ensure the cairo_font_face_t has been addrefed.
virtual cairo_font_face_t* GetCairoFontFace() { return nullptr; }
cairo_scaled_font_t* mScaledFont;
#endif
Float mSize;
};
} // namespace gfx
} // namespace mozilla
#endif /* MOZILLA_GFX_SCALEDFONTBASE_H_ */
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