From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- gfx/2d/ScaledFontBase.h | 72 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 72 insertions(+) create mode 100644 gfx/2d/ScaledFontBase.h (limited to 'gfx/2d/ScaledFontBase.h') diff --git a/gfx/2d/ScaledFontBase.h b/gfx/2d/ScaledFontBase.h new file mode 100644 index 000000000..e4bb4f2f8 --- /dev/null +++ b/gfx/2d/ScaledFontBase.h @@ -0,0 +1,72 @@ +/* -*- 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 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_ */ -- cgit v1.2.3