MyGUI_PolygonalSkin.h

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/*
 * This source file is part of MyGUI. For the latest info, see http://mygui.info/
 * Distributed under the MIT License
 * (See accompanying file COPYING.MIT or copy at http://opensource.org/licenses/MIT)
 */
 
#ifndef MYGUI_POLYGONAL_SKIN_H_
#define MYGUI_POLYGONAL_SKIN_H_
 
#include "MyGUI_Prerequest.h"
#include "MyGUI_Types.h"
#include "MyGUI_ISubWidgetRect.h"
#include "MyGUI_RenderFormat.h"
 
namespace MyGUI
{
 
    class MYGUI_EXPORT PolygonalSkin :
        public ISubWidgetRect
    {
        MYGUI_RTTI_DERIVED( PolygonalSkin )
 
    public:
        PolygonalSkin();
 
        void setPoints(const std::vector<FloatPoint>& _points);
 
        void setWidth(float _width);
 
        void setStroke(size_t _value);
 
        void setAlpha(float _alpha) override;
 
        void setVisible(bool _visible) override;
 
        void setStateData(IStateInfo* _data) override;
 
        void createDrawItem(ITexture* _texture, ILayerNode* _node) override;
        void destroyDrawItem() override;
 
        // метод для отрисовки себя
        void doRender() override;
 
        /*internal:*/
        void _updateView() override;
        void _correctView() override;
 
        void _setAlign(const IntSize& _oldsize) override;
 
        void _setUVSet(const FloatRect& _rect) override;
        void _setColour(const Colour& _value) override;
 
    protected:
        void _rebuildGeometry();
        FloatPoint _getPerpendicular(const FloatPoint& _point1, const FloatPoint& _point2) const;
        // line from center of p1-p2 line to p3
        FloatPoint _getMiddleLine(const FloatPoint& _point1, const FloatPoint& _point2, const FloatPoint& _point3) const;
 
    private:
        bool mGeometryOutdated;
 
        float mLineWidth;
        size_t mLineStroke;
        std::vector<FloatPoint> mLinePoints;
        float mLineLength;
 
        std::vector<FloatPoint> mResultVerticiesPos;
        std::vector<FloatPoint> mResultVerticiesUV;
 
        size_t mVertexCount;
 
        bool mEmptyView;
 
        VertexColourType mVertexFormat;
        uint32 mCurrentColour;
 
        FloatRect mCurrentTexture;
        IntCoord mCurrentCoord;
 
        ILayerNode* mNode;
        RenderItem* mRenderItem;
    };
 
} // namespace MyGUI
 
#endif // MYGUI_POLYGONAL_SKIN_H_