C++ CDCHandle::DrawIconEx方法代码示例

//.........这里部分代码省略.........
        rcProgress.bottom -= 2;
        rcProgress.right = rcProgress.left + int(rcProgress.Width() * percent);
        COLORREF color1 = RGB(0xff, 0xf4, 0xcc);
        COLORREF color2 = RGB(0xff, 0xde, 0x5c);
        COLORREF color3 = RGB(0xff, 0xf4 + (0xde - 0xf4) * percent, 0xcc + (0x5c - 0xcc) * percent);
        DrawGradualColorRect(dc, rcProgress, color1, color3, FALSE);
    }
    //rcDraw.top = rcDraw.bottom;
    //rcDraw.bottom += 1;
    //dc.FillSolidRect(rcDraw, RGB(0xea, 0xe9, 0xe1));

    dc.SetBkMode(TRANSPARENT);

    strFilePath = pDir->m_vCacheFiles[idx].strFilePath;
    strFile = strFilePath.Right(strFilePath.GetLength() - strFilePath.ReverseFind(_T('\\')) - 1);
    strDir = strFilePath.Left(strFilePath.GetLength());

    // 绘制文件名
    hIconCache = g_IconCache.GetIcon(strFilePath);
    if (hIconCache)
    {
        hIcon = hIconCache;
    }
    else
    {
        hIcon = bigfilehelper::GetIconFromFilePath(strFilePath);
    }
    rcDraw = rcItem;
    rcDraw.left = nCurrentEnd;
    nCurrentEnd += GetColumnWidth(0);
    rcDraw.right = nCurrentEnd;
    if (rcDraw.Width() > 8)
    {
        dc.DrawIconEx(rcDraw.left + 4, rcDraw.top + (rcDraw.Height() - 16) / 2, hIcon, 16, 16);
    }
    if (rcDraw.Width() > 24)
    {
        rcDraw.left += 24;
        BOOL bFilter = CBigfileFilter::Instance().IsFileInFilter(strFilePath);
        BOOL bfilterEnable = GetSysFilterEnable();
        if(bFilter && bfilterEnable)
            dc.SetTextColor(RGB(0xcc, 0xcc, 0xcc));
        dc.DrawText(strFile, strFile.GetLength(), rcDraw, DT_SINGLELINE|DT_VCENTER|DT_LEFT|DT_END_ELLIPSIS);
    }

    // 绘制进度条
    rcDraw.left = nCurrentEnd;
    nCurrentEnd += GetColumnWidth(1);
    rcDraw.right = nCurrentEnd;
    if (rcDraw.Width() > 8)
    {
        CString strSize;
        bigfilehelper::GetFileSizeString(pDir->m_vCacheFiles[idx].qwFileSize, strSize);
        dc.DrawText(strSize, strSize.GetLength(), rcDraw, DT_LEFT|DT_SINGLELINE|DT_VCENTER|DT_END_ELLIPSIS);
    }
//     if (rcDraw.Width() > 48)
//     {
//         CPen penBorder;
//         CBrush brushProgress;
//         CRect rcProgress = rcDraw;
//         int nLength;
//         rcProgress.left += 40;
//         rcProgress.right -= 4;
//         rcProgress.top += (rcDraw.Height() - 6) / 2;
//         rcProgress.bottom -= (rcDraw.Height() - 6) / 2;
//         penBorder.CreatePen(PS_SOLID, 1, RGB(0xb5, 0xb5, 0xb5));

//draw client area
void WeaselPanel::DoPaint(CDCHandle dc)
{
	CRect rc;
	GetClientRect(&rc);

	if (!m_status.composing)
	{
		if (m_status.ascii_mode)
			dc.DrawIconEx(0, 0, m_iconAlpha, 0, 0);
		else
			dc.DrawIconEx(0, 0, m_iconEnabled, 0, 0); 
		return;
	}

	// background
	{
		CBrush brush;
		brush.CreateSolidBrush(m_style.back_color);
		CRgn rgn;
		rgn.CreateRectRgnIndirect(&rc);
		dc.FillRgn(rgn, brush);

		CPen pen;
		pen.CreatePen(PS_SOLID | PS_INSIDEFRAME, m_style.border, m_style.border_color);
		CPenHandle oldPen = dc.SelectPen(pen);
		CBrushHandle oldBrush = dc.SelectBrush(brush);
		dc.Rectangle(&rc);
		dc.SelectPen(oldPen);
		dc.SelectBrush(oldBrush);
	}

	long height = -MulDiv(m_style.font_point, dc.GetDeviceCaps(LOGPIXELSY), 72);

	CFont font;
	font.CreateFontW(height, 0, 0, 0, 0, 0, 0, 0, DEFAULT_CHARSET, 0, 0, 0, 0, m_style.font_face.c_str());
	CFontHandle oldFont = dc.SelectFont(font);

	dc.SetTextColor(m_style.text_color);
	dc.SetBkColor(m_style.back_color);
	dc.SetBkMode(TRANSPARENT);
	
	bool drawn = false;

	// draw preedit string
	if (!m_style.inline_preedit)
		drawn |= _DrawPreedit(m_ctx.preedit, dc, m_layout->GetPreeditRect());
	
	/* FIXME: What's this?
	// ascii mode icon
	if (m_status.ascii_mode && y > rc.top)
	{
		int icon_x = rc.right - STATUS_ICON_SIZE;
		int icon_y = (rc.top + y - m_style.spacing - STATUS_ICON_SIZE) / 2;
		dc.DrawIconEx(icon_x, icon_y, m_iconAlpha, 0, 0);
	}*/

	/* TODO: Deprecated? */
	// draw auxiliary string
	drawn |= _DrawPreedit(m_ctx.aux, dc, m_layout->GetAuxiliaryRect());

	// draw candidates
	drawn |= _DrawCandidates(dc);

	/* Nothing drawn, hide candidate window */
	if (!drawn)
		ShowWindow(SW_HIDE);

	dc.SelectFont(oldFont);	
}

void CListViewCtrlEx::_DrawNormalItem( LPDRAWITEMSTRUCT lpdis, const TListItem *pItem )
{
    if (!pItem)
        return;

    int nItem = lpdis->itemID;

    CDCHandle dc;
    dc.Attach(lpdis->hDC);

    HFONT	hOldFont = dc.SelectFont(m_fontDef);

    BOOL bSelect = FALSE ;
    if ((lpdis->itemAction | ODA_SELECT) &&
            (lpdis->itemState & ODS_SELECTED))
    {
        bSelect = TRUE ;
    }

    if ( bSelect )
        dc.FillSolidRect( &lpdis->rcItem, RGB(185,219,255));
    else
        dc.FillSolidRect( &lpdis->rcItem, pItem->clrBg);

    // draw check box
    if( pItem->dwFlags&(LISTITEM_CHECKBOX|LISTITEM_RADIOBOX) )
        _DrawCheckBox(dc, lpdis->rcItem, _super::GetCheckState(nItem), pItem->dwFlags);

    COLORREF oldClr = dc.GetTextColor();
    for(int i=0; i<pItem->subItems.size(); ++i)
    {
        CRect	rcSubItem;
        DWORD	nMarginWidth = 0;
        CRect	rcBounds;
        GetSubItemRect(nItem, i, LVIR_LABEL, &rcSubItem);

        nMarginWidth = LEFT_MARGIN_TEXT_COLUMN+3;

        if(i==0)
        {
            if( pItem->dwFlags&(LISTITEM_CHECKBOX|LISTITEM_RADIOBOX) )
            {
                nMarginWidth+=rcSubItem.left;
            }
            else
            {
                rcSubItem.left -= 19;
                nMarginWidth+=5;
            }
        }

#define DT_FLAGS_DRAW_TEXT		(DT_SINGLELINE|DT_LEFT|DT_NOPREFIX|DT_END_ELLIPSIS|DT_VCENTER)

        rcSubItem.left += LEFT_MARGIN_TEXT_COLUMN;
        rcSubItem.right -= 3;
        const TListSubItem &subItem = pItem->subItems[i];
        if(subItem.type == SUBITEM_LINK)
        {
            dc.SelectFont(m_fontLink);
            dc.SetTextColor(COLOR_LIST_LINK);

            CRect	rcProbeItem;
            dc.DrawText( subItem.str, -1, &rcProbeItem, DT_SINGLELINE|DT_LEFT|DT_NOPREFIX|DT_VCENTER|DT_CALCRECT);
            dc.DrawText( subItem.str, -1, &rcSubItem, DT_FLAGS_DRAW_TEXT);

            DWORD nMaxWidth = rcProbeItem.Width()+nMarginWidth;
            _SetColumnNeedWidth(i,nMaxWidth);
        }
        else
        {
            if (subItem.type == SUBITEM_ICON && subItem.nImg != NULL)
            {
                dc.DrawIconEx( rcSubItem.left, rcSubItem.top + 3, (HICON)subItem.nImg, 16 , 16, 0, 0, DI_NORMAL );
                rcSubItem.left = rcSubItem.left + 18;
            }
            else if (subItem.type == SUBITEM_PNG)
            {
                Gdiplus::Image* pImg = BkPngPool::Get(subItem.nImg);
                if (pImg)
                {
                    Gdiplus::Graphics graphics(dc);

                    SIZE size = {0, 0};
                    if (pImg)
                    {
                        size.cx = pImg->GetWidth();
                        size.cy = pImg->GetHeight();
                    }

                    graphics.DrawImage(pImg, Gdiplus::Rect(rcSubItem.left, rcSubItem.top + 5, size.cx, size.cy));
                }
                rcSubItem.left = rcSubItem.left + 18;
            } else if(subItem.type==SUBITEM_COMBO)
            {
                CDC	dcTmp;
                dcTmp.CreateCompatibleDC(dc);
                HBITMAP hBmpOld	= dcTmp.SelectBitmap(m_bitmapCombo);
                dc.BitBlt(rcSubItem.right-20, rcSubItem.top + 3, 20, 20, dcTmp, 0, 0, SRCCOPY);
                dcTmp.SelectBitmap(hBmpOld);
                dcTmp.DeleteDC();
//.........这里部分代码省略.........