MyGUI_RotatingSkin.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_ROTATING_SKIN_H_
#define MYGUI_ROTATING_SKIN_H_
 
#include "MyGUI_Prerequest.h"
#include "MyGUI_Types.h"
#include "MyGUI_ISubWidgetRect.h"
#include "MyGUI_RenderFormat.h"
 
namespace MyGUI
{
 
    class MYGUI_EXPORT RotatingSkin : public ISubWidgetRect
    {
        MYGUI_RTTI_DERIVED(RotatingSkin)
 
    public:
        RotatingSkin();
 
        void setAngle(float _angle);
        float getAngle() const;
 
        void setCenter(const IntPoint& _center);
        IntPoint getCenter(bool _local = true) const;
 
        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();
 
    private:
        bool mGeometryOutdated{false};
 
        float mAngle{0.0f};
        IntPoint mCenterPos;
 
        enum
        {
            RECT_VERTICIES_COUNT = 4,
            GEOMETRY_VERTICIES_TOTAL_COUNT = 8
        };
        FloatPoint mResultVerticiesPos[GEOMETRY_VERTICIES_TOTAL_COUNT];
        FloatPoint mResultVerticiesUV[GEOMETRY_VERTICIES_TOTAL_COUNT];
 
        bool mEmptyView{false};
 
        VertexColourType mVertexFormat;
        uint32 mCurrentColour{0xFFFFFFFF};
 
        FloatRect mCurrentTexture;
        IntCoord mCurrentCoord;
 
        ILayerNode* mNode{nullptr};
        RenderItem* mRenderItem{nullptr};
    };
 
} // namespace MyGUI
 
#endif // MYGUI_ROTATING_SKIN_H_