Clean up of scene nodes to support 2d and non int positioning.

src/visual_elements/nodes/TextNode.h

@@ -0,0 +1,51 @@
+#pragma once
+
+#include "MaterialNode.h"
+
+#include "FontItem.h"
+#include "TextData.h"
+
+#include <memory>
+#include <string>
+
+class FontsManager;
+
+class TextNode : public MaterialNode
+{
+public:
+    TextNode(const std::string& content, const Point& loc);
+
+    ~TextNode();
+
+    static std::unique_ptr<TextNode> Create(const std::string& content, const Point& loc);
+
+    std::string getContent() const;
+    std::string getFontLabel() const;
+
+    SceneItem* getSceneItem(std::size_t idx) const override;
+    std::size_t getNumSceneItems() const override;
+
+    double getWidth() const;
+    double getHeight() const;
+
+    void setWidth(double width);
+    void setHeight(double height);
+
+    void setContent(const std::string& content);
+
+    void update(SceneInfo* sceneInfo) override;
+private:
+
+    void updateLines(FontsManager* fontsManager);
+
+    TextData mTextData;
+    bool mContentIsDirty{true};
+    bool mLinesAreDirty{true};
+
+    double mWidth{1};
+    double mHeight{1};
+
+    std::unique_ptr<SceneItem> mTextItem;
+};
+
+using TextNodetr = std::unique_ptr<TextNode>;