MyGUI  3.2.1
MyGUI_PolygonalSkin.h
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00001 /*
00002  * This source file is part of MyGUI. For the latest info, see http://mygui.info/
00003  * Distributed under the MIT License
00004  * (See accompanying file COPYING.MIT or copy at http://opensource.org/licenses/MIT)
00005  */
00006 
00007 #ifndef __MYGUI_POLYGONAL_SKIN_H__
00008 #define __MYGUI_POLYGONAL_SKIN_H__
00009 
00010 #include "MyGUI_Prerequest.h"
00011 #include "MyGUI_Types.h"
00012 #include "MyGUI_ISubWidgetRect.h"
00013 #include "MyGUI_RenderFormat.h"
00014 
00015 namespace MyGUI
00016 {
00017 
00018     class MYGUI_EXPORT PolygonalSkin :
00019         public ISubWidgetRect
00020     {
00021         MYGUI_RTTI_DERIVED( PolygonalSkin )
00022 
00023     public:
00024         PolygonalSkin();
00025         virtual ~PolygonalSkin();
00026 
00028         void setPoints(const std::vector<FloatPoint>& _points);
00029 
00031         void setWidth(float _width);
00032 
00034         void setStroke(size_t _value);
00035 
00036         virtual void setAlpha(float _alpha);
00037 
00038         virtual void setVisible(bool _visible);
00039 
00040         virtual void setStateData(IStateInfo* _data);
00041 
00042         virtual void createDrawItem(ITexture* _texture, ILayerNode* _node);
00043         virtual void destroyDrawItem();
00044 
00045         // метод для отрисовки себя
00046         virtual void doRender();
00047 
00048         /*internal:*/
00049         virtual void _updateView();
00050         virtual void _correctView();
00051 
00052         virtual void _setAlign(const IntSize& _oldsize);
00053 
00054         virtual void _setUVSet(const FloatRect& _rect);
00055         virtual void _setColour(const Colour& _value);
00056 
00057     protected:
00058         void _rebuildGeometry();
00059         FloatPoint _getPerpendicular(const FloatPoint& _point1, const FloatPoint& _point2);
00060         // line from center of p1-p2 line to p3
00061         FloatPoint _getMiddleLine(const FloatPoint& _point1, const FloatPoint& _point2, const FloatPoint& _point3);
00062 
00063     private:
00064         bool mGeometryOutdated;
00065 
00066         float mLineWidth;
00067         size_t mLineStroke;
00068         std::vector<FloatPoint> mLinePoints;
00069         float mLineLength;
00070 
00071         std::vector<FloatPoint> mResultVerticiesPos;
00072         std::vector<FloatPoint> mResultVerticiesUV;
00073 
00074         size_t mVertexCount;
00075 
00076         bool mEmptyView;
00077 
00078         VertexColourType mVertexFormat;
00079         uint32 mCurrentColour;
00080 
00081         FloatRect mCurrentTexture;
00082         IntCoord mCurrentCoord;
00083 
00084         ILayerNode* mNode;
00085         RenderItem* mRenderItem;
00086     };
00087 
00088 } // namespace MyGUI
00089 
00090 #endif // __MYGUI_POLYGONAL_SKIN_H__