mirror of
https://github.com/RetroDECK/ES-DE.git
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99 lines
2.9 KiB
C++
99 lines
2.9 KiB
C++
#include "markerelement.h"
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#include "parser.h"
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#include "layoutcontext.h"
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namespace lunasvg {
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MarkerElement::MarkerElement()
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: StyledElement(ElementID::Marker)
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{
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}
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Length MarkerElement::refX() const
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{
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auto& value = get(PropertyID::RefX);
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return Parser::parseLength(value, AllowNegativeLengths, Length::Zero);
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}
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Length MarkerElement::refY() const
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{
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auto& value = get(PropertyID::RefY);
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return Parser::parseLength(value, AllowNegativeLengths, Length::Zero);
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}
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Length MarkerElement::markerWidth() const
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{
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auto& value = get(PropertyID::MarkerWidth);
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return Parser::parseLength(value, ForbidNegativeLengths, Length::Three);
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}
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Length MarkerElement::markerHeight() const
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{
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auto& value = get(PropertyID::MarkerHeight);
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return Parser::parseLength(value, ForbidNegativeLengths, Length::Three);
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}
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Angle MarkerElement::orient() const
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{
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auto& value = get(PropertyID::Orient);
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return Parser::parseAngle(value);
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}
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MarkerUnits MarkerElement::markerUnits() const
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{
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auto& value = get(PropertyID::MarkerUnits);
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return Parser::parseMarkerUnits(value);
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}
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Rect MarkerElement::viewBox() const
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{
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auto& value = get(PropertyID::ViewBox);
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return Parser::parseViewBox(value);
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}
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PreserveAspectRatio MarkerElement::preserveAspectRatio() const
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{
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auto& value = get(PropertyID::PreserveAspectRatio);
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return Parser::parsePreserveAspectRatio(value);
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}
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std::unique_ptr<LayoutMarker> MarkerElement::getMarker(LayoutContext* context) const
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{
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auto markerWidth = this->markerWidth();
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auto markerHeight = this->markerHeight();
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if(markerWidth.isZero() || markerHeight.isZero() || context->hasReference(this))
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return nullptr;
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LengthContext lengthContext(this);
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auto _refX = lengthContext.valueForLength(refX(), LengthMode::Width);
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auto _refY = lengthContext.valueForLength(refY(), LengthMode::Height);
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auto _markerWidth = lengthContext.valueForLength(markerWidth, LengthMode::Width);
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auto _markerHeight = lengthContext.valueForLength(markerHeight, LengthMode::Height);
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auto viewBox = this->viewBox();
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auto preserveAspectRatio = this->preserveAspectRatio();
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auto viewTransform = preserveAspectRatio.getMatrix(_markerWidth, _markerHeight, viewBox);
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viewTransform.map(_refX, _refY, &_refX, &_refY);
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LayoutBreaker layoutBreaker(context, this);
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auto marker = std::make_unique<LayoutMarker>();
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marker->refX = _refX;
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marker->refY = _refY;
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marker->transform = viewTransform;
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marker->orient = orient();
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marker->units = markerUnits();
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marker->clip = isOverflowHidden() ? preserveAspectRatio.getClip(_markerWidth, _markerHeight, viewBox) : Rect::Invalid;
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marker->opacity = opacity();
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marker->masker = context->getMasker(mask());
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marker->clipper = context->getClipper(clip_path());
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layoutChildren(context, marker.get());
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return marker;
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}
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std::unique_ptr<Node> MarkerElement::clone() const
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{
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return cloneElement<MarkerElement>();
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}
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} // namespace lunasvg
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