class CMyrect//端点,使用模版设计模式，直接仅仅需要改写画矩形的函数即可
{
public:
CMyrect(){ m_br = FALSE;};
CMyrect(CPosition pos);
virtual ~CMyrect(){};
BOOL PisRect(CPosition pos);
void DrawRect(CDC *pDC, BOOL b, int Mode, CPosition pos, CPosition *center);
void GetRect(const CPosition &pos);
virtual void Solid(CPoint pt[4], CDC *pDC);//矩形四个点
static void DrawMRect(CDC *pDC, int Num, CPosition *Numpos, CPosition *pos, CPosition *bpos, CMyrect *rect);
public:
CPosition m_left_up, m_left_down;
CPosition m_right_up, m_right_down;
CPosition m_center;
BOOL m_br;//判断点是在矩形内还是在矩形外
};
class CMyCircle : public CMyrect//圆心标记，直接改写solid虚函数即可
{
public:
CMyCircle(){};
CMyCircle(CPosition pos);
virtual ~CMyCircle(){};
public:
void Solid(CPoint pt[4], CDC *pDC);
};
class CMyTri : public CMyrect//中点标记，直接改写solid虚函数即可
{
public:
CMyTri(){};
CMyTri(CPosition pos);
virtual ~CMyTri(){};
public:
void Solid(CPoint pt[4], CDC *pDC);
};
class CCros : public CMyrect //中点标记，直接改写solid虚函数即可
{
public:
CCros (){};
CCros (CPosition pos);
virtual ~CCros (){};
public:
void Solid(CPoint pt[4], CDC *pDC);
};
CMyrect::CMyrect(CPosition pos)//边长为5个像素的正方形
{
GetRect(pos);
m_br = FALSE;
}
void CMyrect::GetRect(const CPosition &pos)
{
m_right_up = CPosition(0.707,0.707) * 8 * g_pView->m_scale + pos;
m_left_up = CPosition(-0.707,0.707) * 8 * g_pView->m_scale + pos;
m_right_down = CPosition(0.707,-0.707) * 8 * g_pView->m_scale + pos;
m_left_down = CPosition(-0.707,-0.707) * 8 * g_pView->m_scale + pos;
m_center = pos;
}
BOOL CMyrect::PisRect(CPosition pos)
{
if (pos.m_x >= m_left_down.m_x && pos.m_x <= m_right_down.m_x
&& pos.m_y <= m_left_up.m_y && pos.m_y >= m_left_down.m_y)
{
return TRUE;
}
else
{
return FALSE;
}
}
void CMyrect::DrawRect(CDC *pDC, BOOL b, int Mode, CPosition pos, CPosition *center)
{
CPoint pt[4];
g_pView->WPTODP(m_left_up, pt[0]);
g_pView->WPTODP(m_right_down, pt[1]);
g_pView->WPTODP(m_left_down, pt[2]);
g_pView->WPTODP(m_right_up, pt[3]);
if(PisRect(pos))//打开或者关闭标记的开关
{
m_br = TRUE;
CPen pen;
pen.CreatePen(PS_SOLID, 1, RGB(225,144,0));
int n = pDC->GetROP2();
CPen *Oldpen = NULL;
Oldpen = pDC->SelectObject(&pen);
Solid(pt,pDC);
pDC->SetROP2(n);
pDC->SelectObject(Oldpen);
if (center)//如果选中，则得到中心点,只有用特种艳色的时候，才能选中点
{
*center = m_center;
}
return;
}
else if(m_br)
{
CPen pen;
pen.CreatePen(PS_SOLID, 1, RGB(0,0,0));
int n = pDC->GetROP2();
CPen *Oldpen = NULL;
Oldpen = pDC->SelectObject(&pen);
Solid(pt,pDC);
pDC->SetROP2(n);
pDC->SelectObject(Oldpen);
m_br = FALSE;
}
}
void CMyrect::DrawMRect(CDC *pDC, int Num, CPosition *Numpos, CPosition *pos, CPosition *bpos, CMyrect *rect)//画出多个矩形标记
{
for (int i = 0; i < Num; i++)
{
rect[i].GetRect(Numpos[i]);
rect[i].DrawRect(pDC, rect[i].PisRect(*pos), 1, *pos, bpos);
}
}
void CMyrect::Solid(CPoint pt[4], CDC *pDC)
{
pDC->MoveTo(pt[0]);
pDC->LineTo(pt[3]);
pDC->LineTo(pt[1]);
pDC->LineTo(pt[2]);
pDC->LineTo(pt[0]);
}
CMyCircle::CMyCircle(CPosition pos) : CMyrect(pos)
{
}
void CMyCircle::Solid(CPoint pt[4], CDC *pDC)
{
CBrush brush;
LOGBRUSH logbrush;
logbrush.lbStyle = BS_NULL;
brush.CreateBrushIndirect(&logbrush);
int n = pDC->GetROP2();
CPen *Oldpen = NULL;
CBrush *Oldbrush = NULL;
Oldbrush = pDC->SelectObject(&brush);
pDC->Ellipse(&CRect(pt[0], pt[1]));
pDC->SetROP2(n);
pDC->SelectObject(Oldbrush);
}
CMyTri::CMyTri(CPosition pos) : CMyrect(pos)
{
}
void CMyTri::Solid(CPoint pt[4], CDC *pDC)
{
CPoint pos = pt[0] + pt[3] ;
pos.x *= 0.5;
pos.y *= 0.5;
pDC->MoveTo(pos);
pDC->LineTo(pt[2]);
pDC->LineTo(pt[1]);
pDC->LineTo(pos);
}
CCros::CCros(CPosition pos) : CMyrect(pos)
{
}
void CCros::Solid(CPoint pt[4], CDC *pDC)
{
CPoint pos[4];
pos[0] = pt[0] + pt[3];
pos[0].x *= 0.5;
pos[0].y *= 0.5;
pos[1] = pt[0] + pt[2];
pos[1].x *= 0.5;
pos[1].y *= 0.5;
pos[2] = pt[2] + pt[1];
pos[2].x *= 0.5;
pos[2].y *= 0.5;
pos[3] = pt[1] + pt[3];
pos[3].x *= 0.5;
pos[3].y *= 0.5;
pDC->MoveTo(pos[0]);
pDC->LineTo(pos[1]);
pDC->LineTo(pos[2]);
pDC->LineTo(pos[3]);
pDC->LineTo(pos[0]);
}