rectangle.cpp

电子白板程序

// Rectangle.cpp: implementation of the CRectangle class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "Rectangle.h"
#include "DrawView.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CRectangle::CRectangle( CDrawView & v ) : CLine( v )
{
	this->draw.tag = RECT;
}

CRectangle::~CRectangle()
{

}

CDrawBase * CRectangle::Clone( void )
{
	CRectangle * obj =new CRectangle( this->view );

	memcpy( &obj->draw , &this->draw , sizeof( DRAW ) );

	return obj;
}

bool CRectangle::Select( CRect & rc )
{
	CRect compare;

	rc.NormalizeRect();
	
	CRect r( this->draw.start , this->draw.end );
	
	r.NormalizeRect();

	compare.IntersectRect( &rc , &r );
	
	if( this->draw.brush.lbStyle == BS_NULL )
		
		this->draw_select = ! compare.IsRectEmpty() && ! compare.EqualRect( rc );
	
	else
		
		this->draw_select = ! compare.IsRectEmpty();

	return this->draw_select;
}

void CRectangle::OnDraw( CDC * pDC )
{
	CDrawBase::OnDraw( pDC );

	CRect rc( draw.start , draw.end );
	
	rc.NormalizeRect( );
	
	pDC->Rectangle( rc );
}