Add svg conversion.

src/publishing/svg/SvgNode.cpp

@@ -0,0 +1,90 @@
+#include "SvgNode.h"
+
+#include "CircleNode.h"
+
+#include "SvgShapeElements.h"
+
+SvgNode::SvgNode(const Point& location)
+	: AbstractVisualNode(location)
+{
+
+}
+
+void SvgNode::setContent(std::unique_ptr<SvgDocument> doc)
+{
+	mContent = std::move(doc);
+	mContentDirty = true;
+
+	mChildren.clear();
+	mManagedChildren.clear();
+}
+
+void SvgNode::updateTransform()
+{
+
+}
+
+void SvgNode::createOrUpdateGeometry(SceneInfo* sceneInfo)
+{
+	if (!mContent->getRoot())
+	{
+		return;
+	}
+
+	auto viewbox = mContent->getViewBox();
+
+	for (const auto& svg_element : mContent->getRoot()->getChildren())
+	{
+		std::unique_ptr<AbstractVisualNode> node;
+
+		if (svg_element->getTagName() == "circle")
+		{
+			auto svg_circle = dynamic_cast<SvgCircle*>(svg_element.get());
+			auto loc = svg_circle->getLocation();
+			auto radius = svg_circle->getRadius();
+			auto minor_radius = radius;
+
+			if (svg_circle->getType() == SvgCircle::Type::ELLIPSE)
+			{
+				minor_radius = svg_circle->getMinorRadius();
+			}
+
+			if (svg_element->hasAttribute("transform"))
+			{
+				const auto transform = svg_circle->getTransform();
+				loc.move(transform.getLocation().getX(), transform.getLocation().getY());
+				radius *= transform.getScaleX();
+				minor_radius *= transform.getScaleY();
+			}
+			auto circle_node = std::make_unique<CircleNode>(loc, radius);
+			circle_node->setMinorRadius(minor_radius);
+			node = std::move(circle_node);
+		}
+
+		if (!node)
+		{
+			continue;
+		}
+
+		auto raw_node = node.get();
+		mManagedChildren.push_back(std::move(node));
+
+		addChild(raw_node);
+	}
+
+}
+
+void SvgNode::update(SceneInfo* sceneInfo)
+{
+	if (mContent && mContentDirty)
+	{
+		createOrUpdateGeometry(sceneInfo);
+		mContentDirty = false;
+	}
+
+	if (mTransformIsDirty)
+	{
+		updateTransform();
+		mTransformIsDirty = false;
+	}
+}