float LayoutSVGTextPath::calculateStartOffset(float pathLength) const
{
const SVGLength& startOffset = *toSVGTextPathElement(node())->startOffset()->currentValue();
float textPathStartOffset = startOffset.valueAsPercentage();
if (startOffset.typeWithCalcResolved() == CSSPrimitiveValue::UnitType::Percentage)
textPathStartOffset *= pathLength;
return textPathStartOffset;
}
Path LayoutSVGTextPath::layoutPath() const
{
SVGTextPathElement* textPathElement = toSVGTextPathElement(node());
Element* targetElement = SVGURIReference::targetElementFromIRIString(textPathElement->href()->currentValue()->value(), textPathElement->treeScope());
if (!isSVGPathElement(targetElement))
return Path();
SVGPathElement& pathElement = toSVGPathElement(*targetElement);
Path pathData = pathElement.asPath();
// Spec: The transform attribute on the referenced 'path' element represents a
// supplemental transformation relative to the current user coordinate system for
// the current 'text' element, including any adjustments to the current user coordinate
// system due to a possible transform attribute on the current 'text' element.
// http://www.w3.org/TR/SVG/text.html#TextPathElement
pathData.transform(pathElement.calculateAnimatedLocalTransform());
return pathData;
}
Path RenderSVGTextPath::layoutPath() const
{
SVGTextPathElement* textPathElement = toSVGTextPathElement(element());
Element* targetElement = SVGURIReference::targetElementFromIRIString(textPathElement->href(), &textPathElement->document());
if (!targetElement || !targetElement->hasTagName(SVGNames::pathTag))
return Path();
SVGPathElement* pathElement = toSVGPathElement(targetElement);
Path pathData;
updatePathFromGraphicsElement(pathElement, pathData);
// Spec: The transform attribute on the referenced 'path' element represents a
// supplemental transformation relative to the current user coordinate system for
// the current 'text' element, including any adjustments to the current user coordinate
// system due to a possible transform attribute on the current 'text' element.
// http://www.w3.org/TR/SVG/text.html#TextPathElement
pathData.transform(pathElement->animatedLocalTransform());
return pathData;
}
std::unique_ptr<PathPositionMapper> LayoutSVGTextPath::layoutPath() const
{
const SVGTextPathElement& textPathElement = toSVGTextPathElement(*node());
Element* targetElement = SVGURIReference::targetElementFromIRIString(
textPathElement.hrefString(), treeScopeForIdResolution(textPathElement));
if (!isSVGPathElement(targetElement))
return nullptr;
SVGPathElement& pathElement = toSVGPathElement(*targetElement);
Path pathData = pathElement.asPath();
if (pathData.isEmpty())
return nullptr;
// Spec: The transform attribute on the referenced 'path' element represents a
// supplemental transformation relative to the current user coordinate system for
// the current 'text' element, including any adjustments to the current user coordinate
// system due to a possible transform attribute on the current 'text' element.
// http://www.w3.org/TR/SVG/text.html#TextPathElement
pathData.transform(pathElement.calculateAnimatedLocalTransform());
return PathPositionMapper::create(pathData);
}
float RenderSVGTextPath::startOffset() const
{
return toSVGTextPathElement(node())->startOffset()->currentValue()->valueAsPercentage();
}
SVGTextPathElement& RenderSVGTextPath::textPathElement() const
{
return toSVGTextPathElement(RenderSVGInline::graphicsElement());
}
bool RenderSVGTextPath::stretchMethod() const
{
return toSVGTextPathElement(element())->method() == SVGTextPathMethodStretch;
}
bool RenderSVGTextPath::exactAlignment() const
{
return toSVGTextPathElement(element())->spacing() == SVGTextPathSpacingExact;
}
float RenderSVGTextPath::startOffset() const
{
return toSVGTextPathElement(element())->startOffset().valueAsPercentage();
}
