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/Volumes/Data/worker/Apple-iOS-26-Safer-CPP-Checks-EWS/build/WebKitBuild/Release-iphonesimulator/DerivedSources/WebCore/unified-sources/UnifiedSource472.cpp
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| 15 | |
| 16 | |
| 17 | |
| 18 | |
| 19 | |
| 20 | |
| 21 | |
| 22 | |
| 23 | |
| 24 | |
| 25 | #include "config.h" |
| 26 | #include "StyleShapeOutside.h" |
| 27 | |
| 28 | #include "AnimationUtilities.h" |
| 29 | #include "CSSBasicShapeValue.h" |
| 30 | #include "CSSValueList.h" |
| 31 | #include "CachedImage.h" |
| 32 | #include "StyleBuilderChecking.h" |
| 33 | #include "StylePrimitiveKeyword+CSSValueConversion.h" |
| 34 | #include "StylePrimitiveNumericTypes+Blending.h" |
| 35 | |
| 36 | namespace WebCore { |
| 37 | namespace Style { |
| 38 | |
| 39 | bool ShapeOutside::Image::isValid() const |
| 40 | { |
| 41 | Ref styleImage = image.value; |
| 42 | if (styleImage->hasCachedImage()) { |
| 43 | auto* cachedImage = styleImage->cachedImage(); |
| Local variable 'cachedImage' is uncounted and unsafe |
| 44 | return cachedImage && cachedImage->hasImage(); |
| 45 | } |
| 46 | return styleImage->isGeneratedImage(); |
| 47 | } |
| 48 | |
| 49 | |
| 50 | |
| 51 | auto CSSValueConversion<ShapeOutside>::operator()(BuilderState& state, const CSSValue& value) -> ShapeOutside |
| 52 | { |
| 53 | if (RefPtr primitiveValue = dynamicDowncast<CSSPrimitiveValue>(value)) { |
| 54 | if (primitiveValue->valueID() == CSSValueNone) |
| 55 | return CSS::Keyword::None { }; |
| 56 | |
| 57 | state.setCurrentPropertyInvalidAtComputedValueTime(); |
| 58 | return CSS::Keyword::None { }; |
| 59 | } |
| 60 | |
| 61 | if (value.isImage()) |
| 62 | return ShapeOutside::Image { ImageWrapper { state.createStyleImage(value).releaseNonNull() } }; |
| 63 | |
| 64 | std::optional<BasicShape> shape; |
| 65 | auto referenceBox = CSSBoxType::BoxMissing; |
| 66 | |
| 67 | auto processSingleValue = [&](const CSSValue& currentValue) { |
| 68 | if (RefPtr shapeValue = dynamicDowncast<CSSBasicShapeValue>(currentValue)) |
| 69 | shape = toStyle(shapeValue->shape(), state, 1.0f); |
| 70 | else |
| 71 | referenceBox = toStyleFromCSSValue<CSSBoxType>(state, currentValue); |
| 72 | }; |
| 73 | |
| 74 | if (RefPtr list = dynamicDowncast<CSSValueList>(value)) { |
| 75 | for (Ref currentValue : *list) |
| 76 | processSingleValue(currentValue); |
| 77 | } else |
| 78 | processSingleValue(value); |
| 79 | |
| 80 | if (shape) { |
| 81 | |
| 82 | if (WTF::holdsAlternative<PathFunction>(*shape) || WTF::holdsAlternative<ShapeFunction>(*shape)) { |
| 83 | state.setCurrentPropertyInvalidAtComputedValueTime(); |
| 84 | return CSS::Keyword::None { }; |
| 85 | } |
| 86 | |
| 87 | if (referenceBox != CSSBoxType::BoxMissing) |
| 88 | return ShapeOutside::ShapeAndShapeBox { .shape = WTF::move(*shape), .box = referenceBox }; |
| 89 | return ShapeOutside::Shape { WTF::move(*shape) }; |
| 90 | } |
| 91 | |
| 92 | if (referenceBox != CSSBoxType::BoxMissing) |
| 93 | return referenceBox; |
| 94 | |
| 95 | state.setCurrentPropertyInvalidAtComputedValueTime(); |
| 96 | return CSS::Keyword::None { }; |
| 97 | } |
| 98 | |
| 99 | |
| 100 | |
| 101 | auto Blending<ShapeOutside>::canBlend(const ShapeOutside& a, const ShapeOutside& b) -> bool |
| 102 | { |
| 103 | RefPtr aValue = a.m_value; |
| 104 | RefPtr bValue = b.m_value; |
| 105 | |
| 106 | if (!aValue || !bValue) |
| 107 | return false; |
| 108 | |
| 109 | return WTF::visit(WTF::makeVisitor( |
| 110 | [](const ShapeOutside::ShapeAndShapeBox& a, const ShapeOutside::ShapeAndShapeBox& b) { |
| 111 | return Style::canBlend(a.shape, b.shape) && a.box == b.box; |
| 112 | }, |
| 113 | [](const ShapeOutside::Shape& a, const ShapeOutside::Shape& b) { |
| 114 | return Style::canBlend(a, b); |
| 115 | }, |
| 116 | [](const auto&, const auto&) { |
| 117 | return false; |
| 118 | } |
| 119 | ), aValue->value, bValue->value); |
| 120 | } |
| 121 | |
| 122 | auto Blending<ShapeOutside>::blend(const ShapeOutside& a, const ShapeOutside& b, const BlendingContext& context) -> ShapeOutside |
| 123 | { |
| 124 | if (context.isDiscrete) { |
| 125 | ASSERT(!context.progress || context.progress == 1); |
| 126 | return context.progress ? b : a; |
| 127 | } |
| 128 | |
| 129 | ASSERT(canBlend(a, b)); |
| 130 | |
| 131 | RefPtr aValue = a.m_value; |
| 132 | RefPtr bValue = b.m_value; |
| 133 | |
| 134 | return WTF::visit(WTF::makeVisitor( |
| 135 | [&](const ShapeOutside::ShapeAndShapeBox& a, const ShapeOutside::ShapeAndShapeBox& b) -> ShapeOutside { |
| 136 | return ShapeOutside::ShapeAndShapeBox { |
| 137 | .shape = Style::blend(a.shape, b.shape, context), |
| 138 | .box = a.box |
| 139 | }; |
| 140 | }, |
| 141 | [&](const ShapeOutside::Shape& a, const ShapeOutside::Shape& b) -> ShapeOutside { |
| 142 | return Style::blend(a, b, context); |
| 143 | }, |
| 144 | [](const auto&, const auto&) -> ShapeOutside { |
| 145 | RELEASE_ASSERT_NOT_REACHED(); |
| 146 | } |
| 147 | ), aValue->value, bValue->value); |
| 148 | } |
| 149 | |
| 150 | } |
| 151 | } |