如何?得ListCtrl的ImageList的其中一??icon小?D

akira32

如何?得ListCtrl的ImageList的其中一??icon小?D
CSortListCtrl?槔^承CListCtrl的??e,已?有SetImageList?了
我想?出image_list?面其中一??小?D(icon) in CSortListCtrl::OnCustomDraw

void CSortListCtrl:rawText(int nItem, int nSubItem, CDC *pDC, COLORREF crText, COLORREF crBkgnd, CRect &rect)
{
    ASSERT(pDC);
   
//    GetDrawColors(nItem, nSubItem, crText, crBkgnd);
   
    pDC->FillSolidRect(&rect, crBkgnd);
   
    CString str;
    str = GetItemText(nItem, nSubItem);
   
    if (!str.IsEmpty())
    {
        // get text justification
        HDITEM hditem;
        hditem.mask = HDI_FORMAT;
        m_ctlHeader.GetItem(nSubItem, &hditem);
        int nFmt = hditem.fmt & HDF_JUSTIFYMASK;
        UINT nFormat = DT_VCENTER | DT_SINGLELINE;
        if (nFmt == HDF_CENTER)
            nFormat |= DT_CENTER;
        else if (nFmt == HDF_LEFT)
            nFormat |= DT_LEFT;
        else
            nFormat |= DT_RIGHT;
            
        rect.OffsetRect(20,0);
        pDC->SetBkMode(TRANSPARENT);
        pDC->SetTextColor(crText);
        pDC->SetBkColor(crBkgnd);
        pDC->DrawText(str, &rect, nFormat);

        //icon
        rect.OffsetRect(-20,0);
#define _TEST_ICON_IMAGE_
#ifdef _TEST_ICON_IMAGE_

        CImageList* image_list;
        CDC* mdc;
        CBitmap *bitmap;
        
        image_list=GetImageList(LVSIL_SMALL);
        IMAGEINFO ImageInfo;
        image_list->GetImageInfo(0,&ImageInfo);

        mdc=new CDC;
        bitmap = new CBitmap;
        mdc->CreateCompatibleDC(pDC);
        bitmap->m_hObject=ImageInfo.hbmImage;
        //bitmap->m_hObject = (HBITMAP):oadImage(::AfxGetInstanceHandle() ,"DiaIc1on.bmp",IMAGE_BITMAP,15,15,LR_LOADFROMFILE);

        mdc->SelectObject(bitmap);

        BOOL aa=pDC->BitBlt(rect.left,rect.top,rect.left+15,rect.top+15,mdc,0,0,SRCCOPY);
        TRACE("");

#endif//_TEST_ICON_IMAGE_

    }

}

void CSortListCtrl::OnCustomDraw(NMHDR* pNMHDR, LRESULT* pResult)
{
    //draw each item.set txt color,bkcolor....
    NMLVCUSTOMDRAW* pLVCD = reinterpret_cast<NMLVCUSTOMDRAW*>(pNMHDR);
   
    // Take the default processing unless we set this to something else below.
    *pResult = CDRF_DODEFAULT;
   
    // First thing - check the draw stage. If it's the control's prepaint
    // stage, then tell Windows we want messages for every item.
   
    if (pLVCD->nmcd.dwDrawStage == CDDS_PREPAINT)
    {
        *pResult = CDRF_NOTIFYITEMDRAW;
    }
    else if (pLVCD->nmcd.dwDrawStage == CDDS_ITEMPREPAINT)
    {
        // This is the notification message for an item.  We'll request
        // notifications before each subitem's prepaint stage.
        
        *pResult = CDRF_NOTIFYSUBITEMDRAW;
    }
    else if (pLVCD->nmcd.dwDrawStage == (CDDS_ITEMPREPAINT | CDDS_SUBITEM))
    {
        // This is the prepaint stage for a subitem. Here's where we set the
        // item's text and background colors. Our return value will tell
        // Windows to draw the subitem itself, but it will use the new colors
        // we set here.
        
        int nItem = static_cast<int> (pLVCD->nmcd.dwItemSpec);
        int nSubItem = pLVCD->iSubItem;
        
        ItemData *pXLCD = (ItemData *) pLVCD->nmcd.lItemlParam;
        ASSERT(pXLCD);
        
        COLORREF crText  = crWindowText;
        COLORREF crBkgnd = crWindow;
        
        
        if (pXLCD){
            crText  = (pXLCD->crText)[nSubItem];
            crBkgnd = (pXLCD->crBak)[nSubItem];
        }
                                
        
        
        // store the colors back in the NMLVCUSTOMDRAW struct
        pLVCD->clrText = crText;
        pLVCD->clrTextBk = crBkgnd;
        
        CDC* pDC = CDC::FromHandle(pLVCD->nmcd.hdc);
        CRect rect;
        GetSubItemRect(nItem, nSubItem, LVIR_BOUNDS, rect);
        
        if (GetItemState(nItem, LVIS_SELECTED))
            DrawText(nItem, nSubItem, pDC, crHighLightText, crHighLight , rect);
        else
            DrawText(nItem, nSubItem, pDC, crText, crBkgnd, rect);
               
        *pResult = CDRF_SKIPDEFAULT;    // We've painted everything.
    }
}