зеркало из https://github.com/mozilla/gecko-dev.git
73 строки
2.2 KiB
C++
73 строки
2.2 KiB
C++
/* -*- 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_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, override)
|
|
|
|
ScaledFontBase(const RefPtr<UnscaledFont>& aUnscaledFont, Float aSize);
|
|
virtual ~ScaledFontBase();
|
|
|
|
virtual already_AddRefed<Path> GetPathForGlyphs(const GlyphBuffer &aBuffer, const DrawTarget *aTarget) override;
|
|
|
|
virtual void CopyGlyphsToBuilder(const GlyphBuffer &aBuffer, PathBuilder *aBuilder, const Matrix *aTransformHint) override;
|
|
|
|
virtual void GetGlyphDesignMetrics(const uint16_t* aGlyphIndices, uint32_t aNumGlyphs, GlyphMetrics* aGlyphMetrics) override;
|
|
|
|
virtual Float GetSize() const override { return mSize; }
|
|
|
|
#ifdef USE_SKIA
|
|
SkTypeface* GetSkTypeface();
|
|
#endif
|
|
|
|
#ifdef USE_CAIRO_SCALED_FONT
|
|
bool PopulateCairoScaledFont();
|
|
virtual cairo_scaled_font_t* GetCairoScaledFont() override { return mScaledFont; }
|
|
virtual void SetCairoScaledFont(cairo_scaled_font_t* font) override;
|
|
#endif
|
|
|
|
protected:
|
|
friend class DrawTargetSkia;
|
|
#ifdef USE_SKIA
|
|
Atomic<SkTypeface*> mTypeface;
|
|
virtual SkTypeface* CreateSkTypeface() { return nullptr; }
|
|
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_ */
|