newshape.h

C++Builder程序员编程手记《配书光盘》

//---------------------------------------------------------------------------
#ifndef NewShapeH
#define NewShapeH
//---------------------------------------------------------------------------
#include <SysUtils.hpp>
#include <Controls.hpp>
#include <Classes.hpp>
#include <Forms.hpp>
enum TNewShapeType {sstRectangle, sstSquare, sstRoundRect, sstRoundSquare,
                     sstEllipse, sstCircle };

//---------------------------------------------------------------------------
class PACKAGE TNewShape : public TGraphicControl
{
private:
    TNewShapeType FShape;
    TPen *FPen;        // 保存画笔对象的数据成员
    TBrush *FBrush;    // 保存刷子对象的数据成员
    void __fastcall SetShape(TNewShapeType Value);
    void __fastcall SetBrush(TBrush *Value);	//设置刷子的方法
    void __fastcall SetPen(TPen *Value);		//设置画笔的方法
protected:
    virtual void __fastcall Paint();   
public:
    __fastcall TNewShape(TComponent* Owner);
    __fastcall ~TNewShape();
    void __fastcall StyleChanged(TObject* Owner);                      // 增加的析构函数申明
__published:
    __property DragCursor ;
    __property DragMode ;
    __property OnDragDrop ;
    __property OnDragOver ;
    __property OnEndDrag ;
    __property OnMouseDown ;
    __property OnMouseMove ;
    __property OnMouseUp ;
    __property TNewShapeType Shape = {read=FShape, write=SetShape, nodefault};
    __property Height;
    __property Width;
    __property TBrush* Brush = {read=FBrush, write=SetBrush, nodefault};//刷子属性
    __property TPen* Pen = {read=FPen, write=SetPen, nodefault};		  //画笔属性


};
//---------------------------------------------------------------------------
#endif