| /* |
| * Copyright (C) 2004, 2005, 2006 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #pragma once |
| |
| #include "Color.h" |
| #include "FloatSize.h" |
| #include "WindRule.h" |
| #include <optional> |
| #include <wtf/EnumTraits.h> |
| #include <wtf/Forward.h> |
| |
| namespace WTF { |
| class TextStream; |
| } |
| |
| namespace WebCore { |
| |
| enum class CompositeOperator : uint8_t { |
| Clear, |
| Copy, |
| SourceOver, |
| SourceIn, |
| SourceOut, |
| SourceAtop, |
| DestinationOver, |
| DestinationIn, |
| DestinationOut, |
| DestinationAtop, |
| XOR, |
| PlusDarker, |
| PlusLighter, |
| Difference |
| }; |
| |
| enum class BlendMode : uint8_t { |
| Normal = 1, // Start with 1 to match SVG's blendmode enumeration. |
| Multiply, |
| Screen, |
| Darken, |
| Lighten, |
| Overlay, |
| ColorDodge, |
| ColorBurn, |
| HardLight, |
| SoftLight, |
| Difference, |
| Exclusion, |
| Hue, |
| Saturation, |
| Color, |
| Luminosity, |
| PlusDarker, |
| PlusLighter |
| }; |
| |
| struct CompositeMode { |
| CompositeOperator operation; |
| BlendMode blendMode; |
| |
| template<class Encoder> void encode(Encoder&) const; |
| template<class Decoder> static std::optional<CompositeMode> decode(Decoder&); |
| }; |
| |
| inline bool operator==(const CompositeMode& a, const CompositeMode& b) |
| { |
| return a.operation == b.operation && a.blendMode == b.blendMode; |
| } |
| |
| inline bool operator!=(const CompositeMode& a, const CompositeMode& b) |
| { |
| return !(a == b); |
| } |
| |
| template<class Encoder> |
| void CompositeMode::encode(Encoder& encoder) const |
| { |
| encoder << operation; |
| encoder << blendMode; |
| } |
| |
| template<class Decoder> |
| std::optional<CompositeMode> CompositeMode::decode(Decoder& decoder) |
| { |
| std::optional<CompositeOperator> operation; |
| decoder >> operation; |
| if (!operation) |
| return std::nullopt; |
| |
| std::optional<BlendMode> blendMode; |
| decoder >> blendMode; |
| if (!blendMode) |
| return std::nullopt; |
| |
| return { { *operation, *blendMode } }; |
| } |
| |
| struct DocumentMarkerLineStyle { |
| enum class Mode : uint8_t { |
| TextCheckingDictationPhraseWithAlternatives, |
| Spelling, |
| Grammar, |
| AutocorrectionReplacement, |
| DictationAlternatives |
| } mode; |
| bool shouldUseDarkAppearance { false }; |
| |
| template<class Encoder> void encode(Encoder&) const; |
| template<class Decoder> static std::optional<DocumentMarkerLineStyle> decode(Decoder&); |
| }; |
| |
| template<class Encoder> |
| void DocumentMarkerLineStyle::encode(Encoder& encoder) const |
| { |
| encoder << mode; |
| encoder << shouldUseDarkAppearance; |
| } |
| |
| template<class Decoder> |
| std::optional<DocumentMarkerLineStyle> DocumentMarkerLineStyle::decode(Decoder& decoder) |
| { |
| std::optional<Mode> mode; |
| decoder >> mode; |
| if (!mode) |
| return std::nullopt; |
| |
| std::optional<bool> shouldUseDarkAppearance; |
| decoder >> shouldUseDarkAppearance; |
| if (!shouldUseDarkAppearance) |
| return std::nullopt; |
| |
| return { { *mode, *shouldUseDarkAppearance } }; |
| } |
| |
| // Legacy shadow blur radius is used for canvas, and -webkit-box-shadow. |
| // It has different treatment of radii > 8px. |
| enum class ShadowRadiusMode : bool { |
| Default, |
| Legacy |
| }; |
| |
| struct DropShadow { |
| FloatSize offset; |
| float blurRadius { 0 }; |
| Color color; |
| ShadowRadiusMode radiusMode { ShadowRadiusMode::Default }; |
| |
| bool isVisible() const { return color.isVisible(); } |
| bool isBlurred() const { return isVisible() && blurRadius; } |
| bool hasOutsets() const { return isBlurred() || (isVisible() && !offset.isZero()); } |
| |
| template<class Encoder> void encode(Encoder&) const; |
| template<class Decoder> static std::optional<DropShadow> decode(Decoder&); |
| }; |
| |
| inline bool operator==(const DropShadow& a, const DropShadow& b) |
| { |
| return a.offset == b.offset && a.blurRadius == b.blurRadius && a.color == b.color && a.radiusMode == b.radiusMode; |
| } |
| |
| inline bool operator!=(const DropShadow& a, const DropShadow& b) |
| { |
| return !(a == b); |
| } |
| |
| template<class Encoder> |
| void DropShadow::encode(Encoder& encoder) const |
| { |
| encoder << offset; |
| encoder << blurRadius; |
| encoder << color; |
| encoder << radiusMode; |
| } |
| |
| template<class Decoder> |
| std::optional<DropShadow> DropShadow::decode(Decoder& decoder) |
| { |
| std::optional<FloatSize> offset; |
| decoder >> offset; |
| if (!offset) |
| return std::nullopt; |
| |
| std::optional<float> blurRadius; |
| decoder >> blurRadius; |
| if (!blurRadius) |
| return std::nullopt; |
| |
| std::optional<Color> color; |
| decoder >> color; |
| if (!color) |
| return std::nullopt; |
| |
| std::optional<ShadowRadiusMode> radiusMode; |
| decoder >> radiusMode; |
| if (!radiusMode) |
| return std::nullopt; |
| |
| return { { *offset, *blurRadius, *color, *radiusMode } }; |
| } |
| |
| enum class GradientSpreadMethod : uint8_t { |
| Pad, |
| Reflect, |
| Repeat |
| }; |
| |
| enum class InterpolationQuality : uint8_t { |
| Default, |
| DoNotInterpolate, |
| Low, |
| Medium, |
| High |
| }; |
| |
| enum class LineCap : uint8_t { |
| Butt, |
| Round, |
| Square |
| }; |
| |
| enum class LineJoin : uint8_t { |
| Miter, |
| Round, |
| Bevel |
| }; |
| |
| enum HorizontalAlignment { |
| AlignLeft, |
| AlignRight, |
| AlignHCenter |
| }; |
| |
| enum StrokeStyle : uint8_t { |
| NoStroke, |
| SolidStroke, |
| DottedStroke, |
| DashedStroke, |
| DoubleStroke, |
| WavyStroke, |
| }; |
| |
| enum class TextDrawingMode : uint8_t { |
| Fill = 1 << 0, |
| Stroke = 1 << 1, |
| }; |
| using TextDrawingModeFlags = OptionSet<TextDrawingMode>; |
| |
| enum TextBaseline { |
| AlphabeticTextBaseline, |
| TopTextBaseline, |
| MiddleTextBaseline, |
| BottomTextBaseline, |
| IdeographicTextBaseline, |
| HangingTextBaseline |
| }; |
| |
| enum TextAlign { |
| StartTextAlign, |
| EndTextAlign, |
| LeftTextAlign, |
| CenterTextAlign, |
| RightTextAlign |
| }; |
| |
| String compositeOperatorName(WebCore::CompositeOperator, WebCore::BlendMode); |
| String blendModeName(WebCore::BlendMode); |
| bool parseBlendMode(const String&, WebCore::BlendMode&); |
| bool parseCompositeAndBlendOperator(const String&, WebCore::CompositeOperator&, WebCore::BlendMode&); |
| |
| WEBCORE_EXPORT WTF::TextStream& operator<<(WTF::TextStream&, WebCore::BlendMode); |
| WEBCORE_EXPORT WTF::TextStream& operator<<(WTF::TextStream&, WebCore::CompositeOperator); |
| WEBCORE_EXPORT WTF::TextStream& operator<<(WTF::TextStream&, CompositeMode); |
| WEBCORE_EXPORT WTF::TextStream& operator<<(WTF::TextStream&, const DropShadow&); |
| WEBCORE_EXPORT WTF::TextStream& operator<<(WTF::TextStream&, InterpolationQuality); |
| WEBCORE_EXPORT WTF::TextStream& operator<<(WTF::TextStream&, LineCap); |
| WEBCORE_EXPORT WTF::TextStream& operator<<(WTF::TextStream&, LineJoin); |
| WEBCORE_EXPORT WTF::TextStream& operator<<(WTF::TextStream&, StrokeStyle); |
| WEBCORE_EXPORT WTF::TextStream& operator<<(WTF::TextStream&, TextDrawingMode); |
| WEBCORE_EXPORT WTF::TextStream& operator<<(WTF::TextStream&, WindRule); |
| |
| } // namespace WebCore |
| |
| namespace WTF { |
| |
| template<> struct EnumTraits<WebCore::CompositeOperator> { |
| using values = EnumValues< |
| WebCore::CompositeOperator, |
| WebCore::CompositeOperator::Clear, |
| WebCore::CompositeOperator::Copy, |
| WebCore::CompositeOperator::SourceOver, |
| WebCore::CompositeOperator::SourceIn, |
| WebCore::CompositeOperator::SourceOut, |
| WebCore::CompositeOperator::SourceAtop, |
| WebCore::CompositeOperator::DestinationOver, |
| WebCore::CompositeOperator::DestinationIn, |
| WebCore::CompositeOperator::DestinationOut, |
| WebCore::CompositeOperator::DestinationAtop, |
| WebCore::CompositeOperator::XOR, |
| WebCore::CompositeOperator::PlusDarker, |
| WebCore::CompositeOperator::PlusLighter, |
| WebCore::CompositeOperator::Difference |
| >; |
| }; |
| |
| template<> struct EnumTraits<WebCore::BlendMode> { |
| using values = EnumValues< |
| WebCore::BlendMode, |
| WebCore::BlendMode::Normal, |
| WebCore::BlendMode::Multiply, |
| WebCore::BlendMode::Screen, |
| WebCore::BlendMode::Darken, |
| WebCore::BlendMode::Lighten, |
| WebCore::BlendMode::Overlay, |
| WebCore::BlendMode::ColorDodge, |
| WebCore::BlendMode::ColorBurn, |
| WebCore::BlendMode::HardLight, |
| WebCore::BlendMode::SoftLight, |
| WebCore::BlendMode::Difference, |
| WebCore::BlendMode::Exclusion, |
| WebCore::BlendMode::Hue, |
| WebCore::BlendMode::Saturation, |
| WebCore::BlendMode::Color, |
| WebCore::BlendMode::Luminosity, |
| WebCore::BlendMode::PlusDarker, |
| WebCore::BlendMode::PlusLighter |
| >; |
| }; |
| |
| template<> struct EnumTraits<WebCore::GradientSpreadMethod> { |
| using values = EnumValues< |
| WebCore::GradientSpreadMethod, |
| WebCore::GradientSpreadMethod::Pad, |
| WebCore::GradientSpreadMethod::Reflect, |
| WebCore::GradientSpreadMethod::Repeat |
| >; |
| }; |
| |
| template<> struct EnumTraits<WebCore::InterpolationQuality> { |
| using values = EnumValues< |
| WebCore::InterpolationQuality, |
| WebCore::InterpolationQuality::Default, |
| WebCore::InterpolationQuality::DoNotInterpolate, |
| WebCore::InterpolationQuality::Low, |
| WebCore::InterpolationQuality::Medium, |
| WebCore::InterpolationQuality::High |
| >; |
| }; |
| |
| template<> struct EnumTraits<WebCore::LineCap> { |
| using values = EnumValues< |
| WebCore::LineCap, |
| WebCore::LineCap::Butt, |
| WebCore::LineCap::Round, |
| WebCore::LineCap::Square |
| >; |
| }; |
| |
| template<> struct EnumTraits<WebCore::LineJoin> { |
| using values = EnumValues< |
| WebCore::LineJoin, |
| WebCore::LineJoin::Miter, |
| WebCore::LineJoin::Round, |
| WebCore::LineJoin::Bevel |
| >; |
| }; |
| |
| template<> struct EnumTraits<WebCore::DocumentMarkerLineStyle::Mode> { |
| using values = EnumValues< |
| WebCore::DocumentMarkerLineStyle::Mode, |
| WebCore::DocumentMarkerLineStyle::Mode::TextCheckingDictationPhraseWithAlternatives, |
| WebCore::DocumentMarkerLineStyle::Mode::Spelling, |
| WebCore::DocumentMarkerLineStyle::Mode::Grammar, |
| WebCore::DocumentMarkerLineStyle::Mode::AutocorrectionReplacement, |
| WebCore::DocumentMarkerLineStyle::Mode::DictationAlternatives |
| >; |
| }; |
| |
| template<> struct EnumTraits<WebCore::StrokeStyle> { |
| using values = EnumValues< |
| WebCore::StrokeStyle, |
| WebCore::StrokeStyle::NoStroke, |
| WebCore::StrokeStyle::SolidStroke, |
| WebCore::StrokeStyle::DottedStroke, |
| WebCore::StrokeStyle::DashedStroke, |
| WebCore::StrokeStyle::DoubleStroke, |
| WebCore::StrokeStyle::WavyStroke |
| >; |
| }; |
| |
| template<> struct EnumTraits<WebCore::TextDrawingMode> { |
| using values = EnumValues< |
| WebCore::TextDrawingMode, |
| WebCore::TextDrawingMode::Fill, |
| WebCore::TextDrawingMode::Stroke |
| >; |
| }; |
| |
| } // namespace WTF |