C++ (Cpp) DrawTextExA Examples

Example #1

File: MaaItems.cpp Project: SikigamiHNQ/OrinrinEditor

/*!
	オーナードロー・サイズ計測
	@param[in]	hWnd			親ウインドウハンドル
	@param[in]	pstMeasureItem	サイズ情報
	@return		HRESULT			終了状態コード
*/
VOID AaItemsMeasureItem( HWND hWnd, LPMEASUREITEMSTRUCT pstMeasureItem )
{
	HDC		hDC;
	INT		rdLength, rdHeight;
	LPSTR	pcConts;
	RECT	stRect;

	//	項目の文字列取得
	pcConts = AacAsciiArtGet( pstMeasureItem->itemID );
	if( !pcConts )	return;

	rdLength = strlen( pcConts );

	ListBox_GetItemRect( ghItemsWnd, pstMeasureItem->itemID, &stRect );

	hDC = GetDC( ghItemsWnd );
	DrawTextExA( hDC, pcConts, rdLength, &stRect, DT_LEFT | DT_EDITCONTROL | DT_NOPREFIX | DT_CALCRECT );
	ReleaseDC( ghItemsWnd, hDC );

	pstMeasureItem->itemHeight = (stRect.bottom - stRect.top);
	if( 256 <= pstMeasureItem->itemHeight )	pstMeasureItem->itemHeight = 255;

	free( pcConts );

	return;
}

Example #2

File: FilePreviewCtrl.cpp Project: cpzhang/zen

void CFilePreviewCtrl::DrawTextLine(HDC hdc, DWORD nLineNo)
{
    CRect rcClient;
    GetClientRect(&rcClient);

    DWORD dwOffset = 0;
    DWORD dwLength = 0;
    {
        CAutoLock lock(&m_csLock);
        dwOffset = m_aTextLines[nLineNo];
        if(nLineNo==m_uNumLines-1)
            dwLength = (DWORD)m_fm.GetSize() - dwOffset;
        else
            dwLength = m_aTextLines[nLineNo+1]-dwOffset-1;
    }

    if(dwLength==0)
        return;

    //get data from our file mapping
    LPBYTE ptr = m_fm.CreateView(dwOffset, dwLength);

    //draw this line to the screen
    CRect rcText;
    rcText.left = -(int)(m_nHScrollPos * m_xChar);
    rcText.top = (nLineNo - m_nVScrollPos) * m_yChar;
    rcText.right = rcClient.right;
    rcText.bottom = rcText.top + m_yChar;
    DRAWTEXTPARAMS params;
    memset(&params, 0, sizeof(DRAWTEXTPARAMS));
    params.cbSize = sizeof(DRAWTEXTPARAMS);
    params.iTabLength = m_xChar*m_cchTabLength;

    DWORD dwFlags = DT_LEFT|DT_TOP|DT_SINGLELINE|DT_NOPREFIX|DT_EXPANDTABS;

    if(m_TextEncoding==ENC_UTF8)
    {
        // Decode line
        strconv_t strconv;
        LPCWSTR szLine = strconv.utf82w((char*)ptr, dwLength-1);
        DrawTextExW(hdc, (LPWSTR)szLine, -1,  &rcText, dwFlags, &params);
    }
    else if(m_TextEncoding==ENC_UTF16_LE)
    {
        DrawTextExW(hdc, (WCHAR*)ptr, dwLength/2-1,  &rcText,
                    dwFlags, &params);
    }
    else if(m_TextEncoding==ENC_UTF16_BE)
    {
        // Decode line
        strconv_t strconv;
        LPCWSTR szLine = strconv.w2w_be((WCHAR*)ptr, dwLength/2-1);
        DrawTextExW(hdc, (LPWSTR)szLine, -1,  &rcText, dwFlags, &params);
    }
    else // ASCII
    {
        DrawTextExA(hdc, (char*)ptr, dwLength-1,  &rcText,
                    dwFlags, &params);
    }
}

Example #3

File: uniuser32.c Project: metaxor/KernelEx

/* MAKE_EXPORT DrawTextExW_new=DrawTextExW */
int WINAPI DrawTextExW_new(HDC hdc, LPWSTR lpchTextW, int cchText, LPRECT lprc, UINT dwDTFormat, LPDRAWTEXTPARAMS lpDTParams)
{
	int result;

	ALLOC_WtoA(lpchText);

	result = DrawTextExA(hdc, lpchTextA, cchText, lprc, dwDTFormat, lpDTParams);

	if(!result)
		return 0;

	STACK_AtoW(lpchTextA, lpchTextW);

	return result;
}