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/*
Copyright (C) 2007 Eric Seidel <eric@webkit.org>
Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
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"
#if ENABLE(SVG)
#include "CSSComputedStyleDeclaration.h"
#include "CSSPrimitiveValueMappings.h"
#include "CSSPropertyNames.h"
#include "Document.h"
#include "RenderStyle.h"
#include "SVGPaint.h"
namespace WebCore {
static PassRefPtr<CSSPrimitiveValue> glyphOrientationToCSSPrimitiveValue(EGlyphOrientation orientation)
{
switch (orientation) {
case GO_0DEG:
return CSSPrimitiveValue::create(0.0f, CSSPrimitiveValue::CSS_DEG);
case GO_90DEG:
return CSSPrimitiveValue::create(90.0f, CSSPrimitiveValue::CSS_DEG);
case GO_180DEG:
return CSSPrimitiveValue::create(180.0f, CSSPrimitiveValue::CSS_DEG);
case GO_270DEG:
return CSSPrimitiveValue::create(270.0f, CSSPrimitiveValue::CSS_DEG);
default:
return 0;
}
}
static PassRefPtr<CSSValue> strokeDashArrayToCSSValueList(const Vector<SVGLength>& dashes)
{
if (dashes.isEmpty())
return CSSPrimitiveValue::createIdentifier(CSSValueNone);
RefPtr<CSSValueList> list = CSSValueList::createCommaSeparated();
const Vector<SVGLength>::const_iterator end = dashes.end();
for (Vector<SVGLength>::const_iterator it = dashes.begin(); it != end; ++it)
list->append(SVGLength::toCSSPrimitiveValue(*it));
return list.release();
}
PassRefPtr<SVGPaint> ComputedStyleExtractor::adjustSVGPaintForCurrentColor(PassRefPtr<SVGPaint> newPaint, RenderStyle* style) const
{
RefPtr<SVGPaint> paint = newPaint;
if (paint->paintType() == SVGPaint::SVG_PAINTTYPE_CURRENTCOLOR || paint->paintType() == SVGPaint::SVG_PAINTTYPE_URI_CURRENTCOLOR)
paint->setColor(style->color());
return paint.release();
}
PassRefPtr<CSSValue> ComputedStyleExtractor::svgPropertyValue(CSSPropertyID propertyID, EUpdateLayout updateLayout) const
{
Node* node = m_node.get();
if (!node)
return 0;
// Make sure our layout is up to date before we allow a query on these attributes.
if (updateLayout)
node->document()->updateLayout();
RenderStyle* style = node->computedStyle();
if (!style)
return 0;
const SVGRenderStyle* svgStyle = style->svgStyle();
if (!svgStyle)
return 0;
switch (propertyID) {
case CSSPropertyClipRule:
return CSSPrimitiveValue::create(svgStyle->clipRule());
case CSSPropertyFloodOpacity:
return CSSPrimitiveValue::create(svgStyle->floodOpacity(), CSSPrimitiveValue::CSS_NUMBER);
case CSSPropertyStopOpacity:
return CSSPrimitiveValue::create(svgStyle->stopOpacity(), CSSPrimitiveValue::CSS_NUMBER);
case CSSPropertyColorInterpolation:
return CSSPrimitiveValue::create(svgStyle->colorInterpolation());
case CSSPropertyColorInterpolationFilters:
return CSSPrimitiveValue::create(svgStyle->colorInterpolationFilters());
case CSSPropertyFillOpacity:
return CSSPrimitiveValue::create(svgStyle->fillOpacity(), CSSPrimitiveValue::CSS_NUMBER);
case CSSPropertyFillRule:
return CSSPrimitiveValue::create(svgStyle->fillRule());
case CSSPropertyColorRendering:
return CSSPrimitiveValue::create(svgStyle->colorRendering());
case CSSPropertyShapeRendering:
return CSSPrimitiveValue::create(svgStyle->shapeRendering());
case CSSPropertyStrokeLinecap:
return CSSPrimitiveValue::create(svgStyle->capStyle());
case CSSPropertyStrokeLinejoin:
return CSSPrimitiveValue::create(svgStyle->joinStyle());
case CSSPropertyStrokeMiterlimit:
return CSSPrimitiveValue::create(svgStyle->strokeMiterLimit(), CSSPrimitiveValue::CSS_NUMBER);
case CSSPropertyStrokeOpacity:
return CSSPrimitiveValue::create(svgStyle->strokeOpacity(), CSSPrimitiveValue::CSS_NUMBER);
case CSSPropertyAlignmentBaseline:
return CSSPrimitiveValue::create(svgStyle->alignmentBaseline());
case CSSPropertyDominantBaseline:
return CSSPrimitiveValue::create(svgStyle->dominantBaseline());
case CSSPropertyTextAnchor:
return CSSPrimitiveValue::create(svgStyle->textAnchor());
case CSSPropertyWritingMode:
return CSSPrimitiveValue::create(svgStyle->writingMode());
case CSSPropertyClipPath:
if (!svgStyle->clipperResource().isEmpty())
return CSSPrimitiveValue::create(svgStyle->clipperResource(), CSSPrimitiveValue::CSS_URI);
return CSSPrimitiveValue::createIdentifier(CSSValueNone);
case CSSPropertyMask:
if (!svgStyle->maskerResource().isEmpty())
return CSSPrimitiveValue::create(svgStyle->maskerResource(), CSSPrimitiveValue::CSS_URI);
return CSSPrimitiveValue::createIdentifier(CSSValueNone);
case CSSPropertyFilter:
if (!svgStyle->filterResource().isEmpty())
return CSSPrimitiveValue::create(svgStyle->filterResource(), CSSPrimitiveValue::CSS_URI);
return CSSPrimitiveValue::createIdentifier(CSSValueNone);
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(SVGPaint::create(svgStyle->fillPaintType(), svgStyle->fillPaintUri(), svgStyle->fillPaintColor()), style);
case CSSPropertyKerning:
return SVGLength::toCSSPrimitiveValue(svgStyle->kerning());
case CSSPropertyMarkerEnd:
if (!svgStyle->markerEndResource().isEmpty())
return CSSPrimitiveValue::create(svgStyle->markerEndResource(), CSSPrimitiveValue::CSS_URI);
return CSSPrimitiveValue::createIdentifier(CSSValueNone);
case CSSPropertyMarkerMid:
if (!svgStyle->markerMidResource().isEmpty())
return CSSPrimitiveValue::create(svgStyle->markerMidResource(), CSSPrimitiveValue::CSS_URI);
return CSSPrimitiveValue::createIdentifier(CSSValueNone);
case CSSPropertyMarkerStart:
if (!svgStyle->markerStartResource().isEmpty())
return CSSPrimitiveValue::create(svgStyle->markerStartResource(), CSSPrimitiveValue::CSS_URI);
return CSSPrimitiveValue::createIdentifier(CSSValueNone);
case CSSPropertyStroke:
return adjustSVGPaintForCurrentColor(SVGPaint::create(svgStyle->strokePaintType(), svgStyle->strokePaintUri(), svgStyle->strokePaintColor()), style);
case CSSPropertyStrokeDasharray:
return strokeDashArrayToCSSValueList(svgStyle->strokeDashArray());
case CSSPropertyStrokeDashoffset:
return SVGLength::toCSSPrimitiveValue(svgStyle->strokeDashOffset());
case CSSPropertyStrokeWidth:
return SVGLength::toCSSPrimitiveValue(svgStyle->strokeWidth());
case CSSPropertyBaselineShift: {
switch (svgStyle->baselineShift()) {
case BS_BASELINE:
return CSSPrimitiveValue::createIdentifier(CSSValueBaseline);
case BS_SUPER:
return CSSPrimitiveValue::createIdentifier(CSSValueSuper);
case BS_SUB:
return CSSPrimitiveValue::createIdentifier(CSSValueSub);
case BS_LENGTH:
return SVGLength::toCSSPrimitiveValue(svgStyle->baselineShiftValue());
}
ASSERT_NOT_REACHED();
return 0;
}
case CSSPropertyBufferedRendering:
return CSSPrimitiveValue::create(svgStyle->bufferedRendering());
case CSSPropertyGlyphOrientationHorizontal:
return glyphOrientationToCSSPrimitiveValue(svgStyle->glyphOrientationHorizontal());
case CSSPropertyGlyphOrientationVertical: {
if (RefPtr<CSSPrimitiveValue> value = glyphOrientationToCSSPrimitiveValue(svgStyle->glyphOrientationVertical()))
return value.release();
if (svgStyle->glyphOrientationVertical() == GO_AUTO)
return CSSPrimitiveValue::createIdentifier(CSSValueAuto);
return 0;
}
case CSSPropertyWebkitSvgShadow:
return valueForShadow(svgStyle->shadow(), propertyID, style);
case CSSPropertyVectorEffect:
return CSSPrimitiveValue::create(svgStyle->vectorEffect());
case CSSPropertyMaskType:
return CSSPrimitiveValue::create(svgStyle->maskType());
case CSSPropertyMarker:
case CSSPropertyEnableBackground:
case CSSPropertyColorProfile:
// the above properties are 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);
}
LOG_ERROR("unimplemented propertyID: %d", propertyID);
return 0;
}
}
#endif // ENABLE(SVG)
// vim:ts=4:noet
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