TnbDisabledDrawer.h

[詳解]

#pragma once
#include "TnbDrawable.h"
 
 
 
//TNB Library
namespace TNB
{
 
 
 
class CDisabledDrawer : public IDrawable
{
    DEFSUPER(IDrawable);
    IDrawable::Ptr  m_pDraw;    
    static BOOL CALLBACK s_DrawIconProc(HDC hDC, LPARAM lParam, WPARAM wParam, int cx, int cy)
    {
        const CDisabledDrawer* P = reinterpret_cast<const CDisabledDrawer*>(lParam);
        P->m_pDraw->Draw(hDC, 0, 0);
        return TRUE;
    }
public:
 
    CDisabledDrawer(const IDrawable& draw)
    {
        m_pDraw = draw.Clone();
    }
 
    virtual IDrawable* Clone(void) const
    {
        return new CDisabledDrawer(*m_pDraw);
    }
 
    virtual bool GetSize(SIZE& _size) const
    {
        return m_pDraw->GetSize(_size);
    }
 
    virtual bool Resize(const SIZE& size)
    {
        return m_pDraw->Resize(size);
    }
 
    virtual void Draw(HDC dc, int x = 0, int y = 0) const
    {
        SIZE sz;
        if ( m_pDraw->GetSize(sz) )
        {
            ::DrawState(dc, NULL, &s_DrawIconProc, reinterpret_cast<LPARAM>(this), 0, x, y, sz.cx, sz.cy, DST_COMPLEX | DSS_DISABLED);
        }
    }
};
 
 
 
};