| /* |
| Copyright (C) 2007 Eric Seidel <eric@webkit.org> |
| Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org> |
| Copyright (C) 2019 Apple Inc. All rights reserved. |
| |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Library General Public |
| License as published by the Free Software Foundation; either |
| version 2 of the License, or (at your option) any later version. |
| |
| This library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Library General Public License for more details. |
| |
| You should have received a copy of the GNU Library General Public License |
| along with this library; see the file COPYING.LIB. If not, write to |
| the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| Boston, MA 02110-1301, USA. |
| */ |
| |
| #include "config.h" |
| #include "CSSComputedStyleDeclaration.h" |
| |
| #include "CSSPrimitiveValueMappings.h" |
| #include "CSSPropertyNames.h" |
| #include "CSSValueList.h" |
| #include "Document.h" |
| #include "Element.h" |
| #include "RenderStyle.h" |
| |
| namespace WebCore { |
| |
| static RefPtr<CSSPrimitiveValue> glyphOrientationToCSSPrimitiveValue(GlyphOrientation orientation) |
| { |
| switch (orientation) { |
| case GlyphOrientation::Degrees0: |
| return CSSPrimitiveValue::create(0.0f, CSSUnitType::CSS_DEG); |
| case GlyphOrientation::Degrees90: |
| return CSSPrimitiveValue::create(90.0f, CSSUnitType::CSS_DEG); |
| case GlyphOrientation::Degrees180: |
| return CSSPrimitiveValue::create(180.0f, CSSUnitType::CSS_DEG); |
| case GlyphOrientation::Degrees270: |
| return CSSPrimitiveValue::create(270.0f, CSSUnitType::CSS_DEG); |
| case GlyphOrientation::Auto: |
| return nullptr; |
| } |
| |
| RELEASE_ASSERT_NOT_REACHED(); |
| } |
| |
| static Ref<CSSValue> strokeDashArrayToCSSValueList(const Vector<SVGLengthValue>& dashes) |
| { |
| if (dashes.isEmpty()) |
| return CSSPrimitiveValue::createIdentifier(CSSValueNone); |
| |
| auto list = CSSValueList::createCommaSeparated(); |
| for (auto& length : dashes) |
| list->append(SVGLengthValue::toCSSPrimitiveValue(length)); |
| |
| return list; |
| } |
| |
| Ref<CSSValue> ComputedStyleExtractor::adjustSVGPaintForCurrentColor(SVGPaintType paintType, const String& url, const Color& color, const Color& currentColor) const |
| { |
| if (paintType >= SVGPaintType::URINone) { |
| auto values = CSSValueList::createSpaceSeparated(); |
| values->append(CSSPrimitiveValue::create(url, CSSUnitType::CSS_URI)); |
| if (paintType == SVGPaintType::URINone) |
| values->append(CSSPrimitiveValue::createIdentifier(CSSValueNone)); |
| else if (paintType == SVGPaintType::URICurrentColor) |
| values->append(CSSPrimitiveValue::create(currentColor)); |
| else if (paintType == SVGPaintType::URIRGBColor) |
| values->append(CSSPrimitiveValue::create(color)); |
| return values; |
| } |
| if (paintType == SVGPaintType::None) |
| return CSSPrimitiveValue::createIdentifier(CSSValueNone); |
| if (paintType == SVGPaintType::CurrentColor) |
| return CSSPrimitiveValue::create(currentColor); |
| |
| return CSSPrimitiveValue::create(color); |
| } |
| |
| RefPtr<CSSValue> ComputedStyleExtractor::svgPropertyValue(CSSPropertyID propertyID) |
| { |
| if (!m_element) |
| return nullptr; |
| |
| auto* style = m_element->computedStyle(); |
| if (!style) |
| return nullptr; |
| |
| const SVGRenderStyle& svgStyle = style->svgStyle(); |
| |
| switch (propertyID) { |
| case CSSPropertyClipRule: |
| return CSSPrimitiveValue::create(svgStyle.clipRule()); |
| case CSSPropertyFloodOpacity: |
| return CSSPrimitiveValue::create(svgStyle.floodOpacity(), CSSUnitType::CSS_NUMBER); |
| case CSSPropertyStopOpacity: |
| return CSSPrimitiveValue::create(svgStyle.stopOpacity(), CSSUnitType::CSS_NUMBER); |
| case CSSPropertyColorInterpolation: |
| return CSSPrimitiveValue::create(svgStyle.colorInterpolation()); |
| case CSSPropertyColorInterpolationFilters: |
| return CSSPrimitiveValue::create(svgStyle.colorInterpolationFilters()); |
| case CSSPropertyFillOpacity: |
| return CSSPrimitiveValue::create(svgStyle.fillOpacity(), CSSUnitType::CSS_NUMBER); |
| case CSSPropertyFillRule: |
| return CSSPrimitiveValue::create(svgStyle.fillRule()); |
| case CSSPropertyShapeRendering: |
| return CSSPrimitiveValue::create(svgStyle.shapeRendering()); |
| case CSSPropertyStrokeOpacity: |
| return CSSPrimitiveValue::create(svgStyle.strokeOpacity(), CSSUnitType::CSS_NUMBER); |
| case CSSPropertyAlignmentBaseline: |
| return CSSPrimitiveValue::create(svgStyle.alignmentBaseline()); |
| case CSSPropertyDominantBaseline: |
| return CSSPrimitiveValue::create(svgStyle.dominantBaseline()); |
| case CSSPropertyTextAnchor: |
| return CSSPrimitiveValue::create(svgStyle.textAnchor()); |
| case CSSPropertyFloodColor: |
| return currentColorOrValidColor(style, svgStyle.floodColor()); |
| case CSSPropertyLightingColor: |
| return currentColorOrValidColor(style, svgStyle.lightingColor()); |
| case CSSPropertyStopColor: |
| return currentColorOrValidColor(style, svgStyle.stopColor()); |
| case CSSPropertyFill: |
| return adjustSVGPaintForCurrentColor(svgStyle.fillPaintType(), svgStyle.fillPaintUri(), svgStyle.fillPaintColor(), style->color()); |
| case CSSPropertyKerning: |
| return SVGLengthValue::toCSSPrimitiveValue(svgStyle.kerning()); |
| case CSSPropertyMarkerEnd: |
| if (!svgStyle.markerEndResource().isEmpty()) |
| return CSSPrimitiveValue::create(makeString('#', svgStyle.markerEndResource()), CSSUnitType::CSS_URI); |
| return CSSPrimitiveValue::createIdentifier(CSSValueNone); |
| case CSSPropertyMarkerMid: |
| if (!svgStyle.markerMidResource().isEmpty()) |
| return CSSPrimitiveValue::create(makeString('#', svgStyle.markerMidResource()), CSSUnitType::CSS_URI); |
| return CSSPrimitiveValue::createIdentifier(CSSValueNone); |
| case CSSPropertyMarkerStart: |
| if (!svgStyle.markerStartResource().isEmpty()) |
| return CSSPrimitiveValue::create(makeString('#', svgStyle.markerStartResource()), CSSUnitType::CSS_URI); |
| return CSSPrimitiveValue::createIdentifier(CSSValueNone); |
| case CSSPropertyStroke: |
| return adjustSVGPaintForCurrentColor(svgStyle.strokePaintType(), svgStyle.strokePaintUri(), svgStyle.strokePaintColor(), style->color()); |
| case CSSPropertyStrokeDasharray: |
| return strokeDashArrayToCSSValueList(svgStyle.strokeDashArray()); |
| case CSSPropertyBaselineShift: { |
| switch (svgStyle.baselineShift()) { |
| case BaselineShift::Baseline: |
| return CSSPrimitiveValue::createIdentifier(CSSValueBaseline); |
| case BaselineShift::Super: |
| return CSSPrimitiveValue::createIdentifier(CSSValueSuper); |
| case BaselineShift::Sub: |
| return CSSPrimitiveValue::createIdentifier(CSSValueSub); |
| case BaselineShift::Length: |
| return SVGLengthValue::toCSSPrimitiveValue(svgStyle.baselineShiftValue()); |
| } |
| ASSERT_NOT_REACHED(); |
| return nullptr; |
| } |
| case CSSPropertyBufferedRendering: |
| return CSSPrimitiveValue::create(svgStyle.bufferedRendering()); |
| case CSSPropertyGlyphOrientationHorizontal: |
| return glyphOrientationToCSSPrimitiveValue(svgStyle.glyphOrientationHorizontal()); |
| case CSSPropertyGlyphOrientationVertical: { |
| if (RefPtr<CSSPrimitiveValue> value = glyphOrientationToCSSPrimitiveValue(svgStyle.glyphOrientationVertical())) |
| return value; |
| |
| if (svgStyle.glyphOrientationVertical() == GlyphOrientation::Auto) |
| return CSSPrimitiveValue::createIdentifier(CSSValueAuto); |
| |
| return nullptr; |
| } |
| case CSSPropertyVectorEffect: |
| return CSSPrimitiveValue::create(svgStyle.vectorEffect()); |
| case CSSPropertyMaskType: |
| return CSSPrimitiveValue::create(svgStyle.maskType()); |
| case CSSPropertyMarker: |
| // this property is not yet implemented in the engine |
| break; |
| default: |
| // If you crash here, it's because you added a css property and are not handling it |
| // in either this switch statement or the one in CSSComputedStyleDelcaration::getPropertyCSSValue |
| ASSERT_WITH_MESSAGE(0, "unimplemented propertyID: %d", propertyID); |
| } |
| return nullptr; |
| } |
| |
| } |
