MirrorCircle.cpp
资源名称:CAD.zip [点击查看]
上传用户:hehe2haha
上传日期:2013-08-16
资源大小:161k
文件大小:1k
源码类别:
CAD
开发平台:
Visual C++
- // MirrorCircle.cpp: implementation of the CMirrorCircle class.
- //
- //////////////////////////////////////////////////////////////////////
- #include "stdafx.h"
- #include "MirrorCircle.h"
- //////////////////////////////////////////////////////////////////////
- // Construction/Destruction
- //////////////////////////////////////////////////////////////////////
- CMirrorCircle::CMirrorCircle()
- {
- }
- CMirrorCircle::CMirrorCircle(CShape *Shape)
- {
- if (Shape != NULL)
- {
- SourceBeginPos = Shape->m_ptFirstPos;
- SourceEndPos = Shape->m_ptSecondPos;
- nRadius = CDraw::Distance(SourceBeginPos,SourceEndPos);
- }
- }
- CMirrorCircle::~CMirrorCircle()
- {
- }
- void CMirrorCircle::Mirror(HDC hdc,POINT BeginPos,POINT PrePos, POINT EndPos)
- {
- int nOldMode = ::SetROP2(hdc,R2_XORPEN);
- HPEN hPen = ::CreatePen( m_PenStyle,
- m_PenWidth,
- m_PenColor^ GetBkColor(hdc) );
- HPEN hOldPen = (HPEN)::SelectObject(hdc,hPen);
- //不进行填充
- ::SelectObject(hdc,GetStockObject(NULL_BRUSH));
- SetSinCos(BeginPos,PrePos);
- SetMirrorPos(BeginPos,PrePos);
- //擦去前一次线段
- CDraw::DrawCircle(hdc,MirrorBeginPos,nRadius);
- SetSinCos(BeginPos,EndPos);
- SetMirrorPos(BeginPos,EndPos);
- //画出这一次线段
- CDraw::DrawCircle(hdc,MirrorBeginPos,nRadius);
- ::SetROP2(hdc,nOldMode);
- ::SelectObject(hdc,hOldPen);
- ::DeleteObject(hPen);
- }