(9) one-step development of a simple CAD yarn Image

Image and Heping can only use functions related to the object set, and at the same time use the image and Heping class to implement

Class cmirror: Public ccomand
{
Public:
Cmirror ();
Virtual ~ Cmirror ();
Public:
Void onlbuttondown (uint nflags, cposition POS );
Void onmousemove (uint nflags, cposition POS );
Void onrbuttondown (uint nflags, cposition POS );
PRIVATE:
Chandlecg * m_hand;
Ceraseline m_erase_line; // tracing class
Cposition m_begin;
Cposition m_end;
 
};

 

 

Class cmove: Public ccomand // global instant translation command
{
Public:
Cmove ();
Virtual ~ Cmove ();
Public:
Void onlbuttondown (uint nflags, cposition POS );
Void onmousemove (uint nflags, cposition POS );
Void onrbuttondown (uint nflags, cposition POS );
Void onlbuttonup (uint nflags, cposition POS );
Void onmbuttondown (uint nflags, cposition POS );
Void onmbuttonup (uint nflags, cposition POS );
Public:
Cposition m_begin;
Cposition m_end;

};

 

 

 

Cmove: cmove ()
{
M_nstep = 1;
}

Cmove ::~ Cmove ()
{

}
Void cmove: onlbuttondown (uint nflags, cposition POS)
{

}

Void cmove: onmousemove (uint nflags, cposition POS)

{
Switch (m_nstep)
{

Case 2:
{
CDC * PDC = g_pview-> getdc ();

For (INT I = 0; I <(g_pdoc-> m_solid). getsize (); I ++)
{

(G_pdoc-> m_solid [I])-> move (m_begin, POS)-> drawsolid (PDC, normal );
}

For (I = 0; I <g_pdoc-> m_select.getsize (); I ++)
{

(G_pdoc-> m_select [I])-> move (m_begin, POS)-> drawsolid (PDC, normal );
}

M_begin = Pos;
G_pview-> invalidate ();
G_pview-> releasedc (PDC );
}

Break;
Default:
Break;

}

}

Void cmove: onrbuttondown (uint nflags, cposition POS)
{

}

Void cmove: onlbuttonup (uint nflags, cposition POS)
{
M_nstep = 1;
}

Void cmove: onmbuttondown (uint nflags, cposition POS)
{
Switch (m_nstep)
{
Case 1:
{
M_begin = m_end = Pos;
M_nstep ++;
Break;
}
 
Case 2:
{

M_nstep = 1;
Break;
}
Default:
Break;

}
}

Void cmove: onmbuttonup (uint nflags, cposition POS)
{
M_nstep = 1;
}

Cbasemove: cbasemove () // translation class with base point
{
M_nstep = 1;
}

Cbasemove ::~ Cbasemove ()
{

}

 

 

 

Cmirror: cmirror () // Image
{
M_nstep = 1;
M_hand = new chandlecg (& g_pdoc-> m_solid, & g_pdoc-> m_select );

}

Cmirror ::~ Cmirror ()
{

}

Void cmirror: onlbuttondown (uint nflags, cposition POS)
{

 
Switch (m_nstep)
{

Case 1: // output prompt information
{

M_begin = Pos;

M_nstep ++;
M_erase_line.setbegin (POS); // eight directions. If the orientation is within the specified range, obtain the coordinates of the clicked point.
Break;

}

Case 2:
{

M_erase_line.setbegin (POS );

CDC * PDC = g_pview-> getdc ();
// M_hand-> mirror (m_begin, POs, normal );
M_nstep = 1;
G_pview-> releasedc (PDC );

}
Default:
Break;
}
 

}

Void cmirror: onmousemove (uint nflags, cposition POS)
{

M_erase_line.setend (POS );

Switch (m_nstep)
{
Case 2:


CDC * PDC = g_pview-> getdc ();

M_hand-> mirror (m_begin, m_end, drag );
 

// G_pdoc-> drawsolid (PDC, normal); // redraw

M_hand-> mirror (m_begin, POs, normal );

M_end = Pos;
 

G_pview-> releasedc (PDC );

 
Break;
}

}

Void cmirror: onrbuttondown (uint nflags, cposition POS)
{

M_erase_line.setcancle (POS );
}