gecko-dev/gfx/2d/ScaledFontDWrite.h

98 lines
2.9 KiB
C++

/* -*- 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_SCALEDFONTDWRITE_H_
#define MOZILLA_GFX_SCALEDFONTDWRITE_H_
#include <dwrite.h>
#include "ScaledFontBase.h"
struct ID2D1GeometrySink;
namespace mozilla {
namespace gfx {
class ScaledFontDWrite final : public ScaledFontBase
{
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(ScaledFontDwrite)
ScaledFontDWrite(IDWriteFontFace *aFont, Float aSize)
: ScaledFontBase(aSize)
, mFont(nullptr)
, mFontFamily(nullptr)
, mFontFace(aFont)
, mUseEmbeddedBitmap(false)
, mForceGDIMode(false)
{}
ScaledFontDWrite(IDWriteFont* aFont, IDWriteFontFamily* aFontFamily,
IDWriteFontFace *aFontFace, Float aSize, bool aUseEmbeddedBitmap,
bool aForceGDIMode)
: ScaledFontBase(aSize)
, mFont(aFont)
, mFontFamily(aFontFamily)
, mFontFace(aFontFace)
, mUseEmbeddedBitmap(aUseEmbeddedBitmap)
, mForceGDIMode(aForceGDIMode)
{}
virtual FontType GetType() const { return FontType::DWRITE; }
virtual already_AddRefed<Path> GetPathForGlyphs(const GlyphBuffer &aBuffer, const DrawTarget *aTarget);
virtual void CopyGlyphsToBuilder(const GlyphBuffer &aBuffer, PathBuilder *aBuilder, BackendType aBackendType, const Matrix *aTransformHint);
void CopyGlyphsToSink(const GlyphBuffer &aBuffer, ID2D1GeometrySink *aSink);
virtual void GetGlyphDesignMetrics(const uint16_t* aGlyphIndices, uint32_t aNumGlyphs, GlyphMetrics* aGlyphMetrics);
virtual bool GetFontFileData(FontFileDataOutput aDataCallback, void *aBaton);
virtual AntialiasMode GetDefaultAAMode() override;
bool UseEmbeddedBitmaps() { return mUseEmbeddedBitmap; }
bool ForceGDIMode() { return mForceGDIMode; }
#ifdef USE_SKIA
virtual SkTypeface* GetSkTypeface();
bool GetFontDataFromSystemFonts(IDWriteFactory* aFactory);
bool DefaultToArialFont(IDWriteFontCollection* aSystemFonts);
#endif
// The font and font family are only used with Skia
RefPtr<IDWriteFont> mFont;
RefPtr<IDWriteFontFamily> mFontFamily;
RefPtr<IDWriteFontFace> mFontFace;
bool mUseEmbeddedBitmap;
bool mForceGDIMode;
protected:
#ifdef USE_CAIRO_SCALED_FONT
cairo_font_face_t* GetCairoFontFace() override;
#endif
};
class GlyphRenderingOptionsDWrite : public GlyphRenderingOptions
{
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(GlyphRenderingOptionsDWrite)
GlyphRenderingOptionsDWrite(IDWriteRenderingParams *aParams)
: mParams(aParams)
{
}
virtual FontType GetType() const { return FontType::DWRITE; }
private:
friend class DrawTargetD2D;
friend class DrawTargetD2D1;
RefPtr<IDWriteRenderingParams> mParams;
};
}
}
#endif /* MOZILLA_GFX_SCALEDFONTDWRITE_H_ */