void SVGTextLayoutAttributesBuilder::buildLayoutScope(LayoutScope& scope, RenderObject* renderer, unsigned textContentStart, unsigned textContentLength) const
{
ASSERT(renderer);
ASSERT(renderer->style());
scope.textContentStart = textContentStart;
scope.textContentLength = textContentLength;
SVGTextPositioningElement* element = SVGTextPositioningElement::elementFromRenderer(renderer);
if (!element)
return;
SVGTextLayoutAttributes& attributes = scope.attributes;
extractFloatValuesFromSVGLengthList(element, element->x(), attributes.xValues(), textContentLength);
extractFloatValuesFromSVGLengthList(element, element->y(), attributes.yValues(), textContentLength);
extractFloatValuesFromSVGLengthList(element, element->dx(), attributes.dxValues(), textContentLength);
extractFloatValuesFromSVGLengthList(element, element->dy(), attributes.dyValues(), textContentLength);
extractFloatValuesFromSVGNumberList(element->rotate(), attributes.rotateValues(), textContentLength);
// The last rotation value spans the whole scope.
Vector<float>& rotateValues = attributes.rotateValues();
if (rotateValues.isEmpty())
return;
unsigned rotateValuesSize = rotateValues.size();
if (rotateValuesSize == textContentLength)
return;
float lastRotation = rotateValues.last();
rotateValues.resize(textContentLength);
for (unsigned i = rotateValuesSize; i < textContentLength; ++i)
rotateValues.at(i) = lastRotation;
}
