TnbIconManagerEx.h

[詳解]

#pragma once
#include "TnbBitmapImage.h"
#include "TnbIconManager.h"
 
 
 
//TNB Library
namespace TNB
{
 
 
 
class CIconManagerEx : public CIconManager
{
    DEFSUPER(CIconManager);
    HICON m_Create(ICONINFO& _ii)
    {
        HICON hIcon = ::CreateIconIndirect(&_ii);
        if ( hIcon != NULL )
        {
            _super::Attach(hIcon);
        }
        return hIcon;
    }
    HICON m_Create(ICONINFO& _ii, CBitmapHandle bmp, COLORREF maskColor, BYTE alpha)
    {
        CBitmapImage bi;
        bi.Set(bmp);
        CBitmapHandle bmpMask = bi.CreateMaskBitmap(false, maskColor);
        HRGN rgn = bi.CreateRgn(maskColor);
        if ( rgn == NULL )
        {
            return NULL;
        }
        RECT rect = { 0, 0, bi.GetSize().cx, bi.GetSize().cy };
        HDC dc = bi.GetDC();
        ::ExtSelectClipRgn(dc, rgn, RGN_DIFF);
        ::SetBkColor(dc, RGB(0, 0, 0)); // XOR されるから 0にしておく
        ::ExtTextOut(dc, 0, 0, ETO_OPAQUE, &rect, NULL, 0, NULL);
        bi.ReleaseDC();
        if ( alpha != 0xFF )
        {
            bi.CustomizeAlpha(alpha, RGB(0, 0, 0), 0);
        }
        _ii.hbmColor = bi.GetBitmapHandle();
        _ii.hbmMask = bmpMask;
        _DeleteObject(rgn);
        return m_Create(_ii);
    }
public:
 
    CIconManagerEx(void) : _super()
    {
    }
 
    virtual ~CIconManagerEx(void)
    {
    }
 
    HICON CreateIcon(CBitmapHandle bmpColor, CBitmapHandle bmpMask)
    {
        ICONINFO ii = { true, 0, 0, bmpMask, bmpColor };
        ASSERTLIB( ii.fIcon && ii.yHotspot == 0 && ii.hbmMask == bmpMask.operator->() );
        return m_Create(ii);
    }
 
    HICON CreateIcon(CBitmapHandle bmp, COLORREF maskColor = CLR_AUTOSELECT)
    {
        ICONINFO ii = { true, 0, 0 };
        ASSERTLIB( ii.fIcon && ii.yHotspot == 0 );
        return m_Create(ii, bmp, maskColor, 0xFF);
    }
 
    HCURSOR CreateCursor(DWORD xHotspot, DWORD yHotspot, CBitmapHandle bmpColor, CBitmapHandle bmpMask)
    {
        ICONINFO ii = { false, xHotspot, yHotspot, bmpMask, bmpColor };
        ASSERTLIB( ! ii.fIcon && ii.yHotspot == yHotspot && ii.hbmMask == bmpMask.operator->() );
        return m_Create(ii);
    }
 
    HCURSOR CreateCursor(DWORD xHotspot, DWORD yHotspot, CBitmapHandle bmp, int parsent = 100, COLORREF maskColor = CLR_AUTOSELECT)
    {
        ICONINFO ii = { false, xHotspot, yHotspot };
        ASSERTLIB( ! ii.fIcon && ii.yHotspot == yHotspot );
        return m_Create(ii, bmp, maskColor, static_cast<BYTE>(parsent * 255 / 100));
    }
};
 
 
 
};