зеркало из https://github.com/mozilla/gecko-dev.git
111 строки
3.3 KiB
C++
111 строки
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef MOZILLA_GFX_SCALEDFONTDWRITE_H_
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#define MOZILLA_GFX_SCALEDFONTDWRITE_H_
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#include <dwrite.h>
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#include "ScaledFontBase.h"
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struct ID2D1GeometrySink;
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struct gfxFontStyle;
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namespace mozilla {
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namespace gfx {
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class NativeFontResourceDWrite;
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class UnscaledFontDWrite;
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class ScaledFontDWrite final : public ScaledFontBase
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{
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public:
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MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(ScaledFontDWrite, override)
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ScaledFontDWrite(IDWriteFontFace *aFont,
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const RefPtr<UnscaledFont>& aUnscaledFont,
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Float aSize)
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: ScaledFontBase(aUnscaledFont, aSize)
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, mFontFace(aFont)
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, mUseEmbeddedBitmap(false)
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, mForceGDIMode(false)
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, mGamma(2.2f)
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, mContrast(1.0f)
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{}
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ScaledFontDWrite(IDWriteFontFace *aFontFace,
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const RefPtr<UnscaledFont>& aUnscaledFont,
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Float aSize,
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bool aUseEmbeddedBitmap,
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bool aForceGDIMode,
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IDWriteRenderingParams *aParams,
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Float aGamma,
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Float aContrast,
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const gfxFontStyle* aStyle = nullptr);
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FontType GetType() const override { return FontType::DWRITE; }
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already_AddRefed<Path> GetPathForGlyphs(const GlyphBuffer &aBuffer, const DrawTarget *aTarget) override;
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void CopyGlyphsToBuilder(const GlyphBuffer &aBuffer, PathBuilder *aBuilder, const Matrix *aTransformHint) override;
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void CopyGlyphsToSink(const GlyphBuffer &aBuffer, ID2D1GeometrySink *aSink);
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void GetGlyphDesignMetrics(const uint16_t* aGlyphIndices, uint32_t aNumGlyphs, GlyphMetrics* aGlyphMetrics) override;
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bool CanSerialize() override { return true; }
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bool GetFontInstanceData(FontInstanceDataOutput aCb, void* aBaton) override;
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AntialiasMode GetDefaultAAMode() override;
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bool UseEmbeddedBitmaps() { return mUseEmbeddedBitmap; }
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bool ForceGDIMode() { return mForceGDIMode; }
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#ifdef USE_SKIA
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SkTypeface* GetSkTypeface() override;
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SkFontStyle mStyle;
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#endif
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RefPtr<IDWriteFontFace> mFontFace;
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bool mUseEmbeddedBitmap;
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bool mForceGDIMode;
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// DrawTargetD2D1 requires the IDWriteRenderingParams,
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// but we also separately need to store the gamma and contrast
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// since Skia needs to be able to access these without having
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// to use the full set of DWrite parameters (which would be
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// required to recreate an IDWriteRenderingParams) in a
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// DrawTargetRecording playback.
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RefPtr<IDWriteRenderingParams> mParams;
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Float mGamma;
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Float mContrast;
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protected:
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#ifdef USE_CAIRO_SCALED_FONT
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cairo_font_face_t* GetCairoFontFace() override;
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#endif
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private:
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friend class NativeFontResourceDWrite;
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friend class UnscaledFontDWrite;
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struct InstanceData
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{
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explicit InstanceData(ScaledFontDWrite* aScaledFont)
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: mUseEmbeddedBitmap(aScaledFont->mUseEmbeddedBitmap)
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, mForceGDIMode(aScaledFont->mForceGDIMode)
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, mGamma(aScaledFont->mGamma)
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, mContrast(aScaledFont->mContrast)
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{}
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bool mUseEmbeddedBitmap;
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bool mForceGDIMode;
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Float mGamma;
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Float mContrast;
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};
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};
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}
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}
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#endif /* MOZILLA_GFX_SCALEDFONTDWRITE_H_ */
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