зеркало из https://github.com/mozilla/gecko-dev.git
124 строки
4.2 KiB
C++
124 строки
4.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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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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, 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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mRenderingMode(DWRITE_RENDERING_MODE_DEFAULT),
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mGamma(2.2f),
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mContrast(1.0f) {}
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ScaledFontDWrite(IDWriteFontFace* aFontFace,
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const RefPtr<UnscaledFont>& aUnscaledFont, Float aSize,
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bool aUseEmbeddedBitmap,
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DWRITE_RENDERING_MODE aRenderingMode,
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IDWriteRenderingParams* aParams, Float aGamma,
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Float aContrast, 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,
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const DrawTarget* aTarget) override;
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void CopyGlyphsToBuilder(const GlyphBuffer& aBuffer, PathBuilder* aBuilder,
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const Matrix* aTransformHint) override;
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void CopyGlyphsToSink(const GlyphBuffer& aBuffer,
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ID2D1SimplifiedGeometrySink* aSink);
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bool CanSerialize() override { return true; }
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bool GetFontInstanceData(FontInstanceDataOutput aCb, void* aBaton) override;
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bool GetWRFontInstanceOptions(
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Maybe<wr::FontInstanceOptions>* aOutOptions,
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Maybe<wr::FontInstancePlatformOptions>* aOutPlatformOptions,
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std::vector<FontVariation>* aOutVariations) override;
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AntialiasMode GetDefaultAAMode() override;
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bool UseEmbeddedBitmaps() const { return mUseEmbeddedBitmap; }
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bool ForceGDIMode() const {
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return mRenderingMode == DWRITE_RENDERING_MODE_GDI_CLASSIC;
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}
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DWRITE_RENDERING_MODE GetRenderingMode() const { return mRenderingMode; }
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bool HasSyntheticBold() const {
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return (mFontFace->GetSimulations() & DWRITE_FONT_SIMULATIONS_BOLD) != 0;
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}
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#ifdef USE_SKIA
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SkTypeface* CreateSkTypeface() override;
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void SetupSkFontDrawOptions(SkFont& aFont) 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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DWRITE_RENDERING_MODE mRenderingMode;
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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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#ifdef USE_CAIRO_SCALED_FONT
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cairo_font_face_t* CreateCairoFontFace(
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cairo_font_options_t* aFontOptions) override;
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void PrepareCairoScaledFont(cairo_scaled_font_t* aFont) 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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explicit InstanceData(ScaledFontDWrite* aScaledFont)
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: mUseEmbeddedBitmap(aScaledFont->mUseEmbeddedBitmap),
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mApplySyntheticBold(aScaledFont->HasSyntheticBold()),
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mRenderingMode(aScaledFont->mRenderingMode),
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mGamma(aScaledFont->mGamma),
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mContrast(aScaledFont->mContrast) {}
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InstanceData(const wr::FontInstanceOptions* aOptions,
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const wr::FontInstancePlatformOptions* aPlatformOptions);
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bool mUseEmbeddedBitmap;
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bool mApplySyntheticBold;
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DWRITE_RENDERING_MODE mRenderingMode;
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Float mGamma;
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Float mContrast;
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};
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};
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} // namespace gfx
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} // namespace mozilla
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#endif /* MOZILLA_GFX_SCALEDFONTDWRITE_H_ */
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