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-rw-r--r--gfx/2d/ScaledFontBase.h72
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diff --git a/gfx/2d/ScaledFontBase.h b/gfx/2d/ScaledFontBase.h
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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_ */