rtwin.cpp

linux下的一款播放器

    if(!bDoingScrollOfRect  &&  listSize  &&
	    (TIME_INVALID != ulTimeOfCurrentDraw) )
    {

	LISTPOSITION pos = pTextWindow->GetStartPosition();

#if defined(XXXEH_TESTING_DATAURLPLAINTEXT_HANDLING2)
FILE* f1 = ::fopen("c:\\LogDataURLhandling.txt", "a+");
::fprintf(f1, "\tDraw(): about to draw %lu TextContainers; pos=%p\n", listSize, pos);
::fclose(f1);
#endif

	//We must adjust for where the virtual window location is due to
	// looping:
	LONG32 currentXOffsetDueToLooping = 0L;
	LONG32 currentYOffsetDueToLooping = 0L;
	if(pTextWindow->isLooping())
	{
	    currentXOffsetDueToLooping =
		    pTextWindow->getCurrentXOffsetDueToLooping();
	    currentYOffsetDueToLooping =
		    pTextWindow->getCurrentYOffsetDueToLooping();
	}

	BOOL bWindowHeightIsNotTheOriginalValue = 
		lWindowHeight != pTextWindow->getHeight();
	BOOL bWindowWidthIsNotTheOriginalValue =
		lWindowWidth != pTextWindow->getWidth();

	//We must adjust for where the virtual window location is due to
	// "teleprompter" adjustment so that the last line of text is visible
	// at the bottom edge of the window:
	LONG32 currentYOffsetForTeleprompter = 0L;
	if(TYPE_TELEPROMPTER == pTextWindow->getType())
	{
	    currentYOffsetForTeleprompter =
		    pTextWindow->getCurrentYOffsetForTeleprompter();
	}

	int bkModeOld;
	bkModeOld = SetBkMode(hDC, TRANSPARENT);

#if defined(USE_FREETYPE_DIRECTLY) /*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
	CTextServices crossPlatTextSvcs;
#endif /* END USE_FREETYPE_DIRECTLY. */ /*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/

	while(pos)
	{
	    TextContainer* curTextContainerPtr =
			    /*  Note: effectively does GetAt(pos++):  */
			    (TextContainer*)pTextWindow->GetNext(pos);

	    ///Added call to the new function 
	    ///	"::textShouldBeDrawn()" because textHasChanged..() was
	    ///	not enough -- repaint of background was overwriting
	    /// non-moved text:

	    if(curTextContainerPtr->textHasChangedSinceLastDraw()  ||
		    curTextContainerPtr->textShouldBeDrawn())
	    {
		LONG32 lUpperLeftXWithOffsets =
			currentXOffsetDueToLooping +
			curTextContainerPtr->getXUpperLeftCorner();
		LONG32 lLowerRightXWithOffsets =
			currentXOffsetDueToLooping +
			curTextContainerPtr->getXLowerRightCorner();
		LONG32 lUpperLeftYWithOffsets =
			currentYOffsetDueToLooping +
			currentYOffsetForTeleprompter +
			curTextContainerPtr->getYUpperLeftCorner();
		LONG32 lLowerRightYWithOffsets =
			currentYOffsetDueToLooping +
			currentYOffsetForTeleprompter +
			curTextContainerPtr->getYLowerRightCorner();

		LONG32 xScaled  = lUpperLeftXWithOffsets;

		LONG32 yScaled = lUpperLeftYWithOffsets;

		LONG32 lScaledUpperLeftXWithOffsets =
			lUpperLeftXWithOffsets;
		LONG32 lScaledLowerRightXWithOffsets =
			lLowerRightXWithOffsets;
		LONG32 lScaledUpperLeftYWithOffsets =
			lUpperLeftYWithOffsets;
		LONG32 lScaledLowerRightYWithOffsets =
			lLowerRightYWithOffsets;

		if (bWindowWidthIsNotTheOriginalValue)
		{
		    xScaled  = MulDiv(xScaled,  
				    lWindowWidth,  
				    pTextWindow->getWidth());
		    lScaledUpperLeftXWithOffsets = MulDiv(
				    lUpperLeftXWithOffsets,
				    lWindowWidth,  
				    pTextWindow->getWidth());
		    lScaledLowerRightXWithOffsets = MulDiv(
				    lLowerRightXWithOffsets,
				    lWindowWidth,  
				    pTextWindow->getWidth());
		}
		if (bWindowHeightIsNotTheOriginalValue)
		{
		    yScaled = MulDiv(yScaled, 
				    lWindowHeight, 
				    pTextWindow->getHeight());
		    lScaledUpperLeftYWithOffsets = MulDiv(
				    lUpperLeftYWithOffsets,
				    lWindowHeight,  
				    pTextWindow->getHeight());
		    lScaledLowerRightYWithOffsets = MulDiv(
				    lLowerRightYWithOffsets,
				    lWindowHeight,  
				    pTextWindow->getHeight());
		}

		///Make sure curTextContainerPtr's text is located in the
		///window before we go to the trouble of doing a TextOut:
		if(	    (lScaledUpperLeftXWithOffsets
			    > updateRect.right) 
			||  (lScaledLowerRightXWithOffsets
			    < updateRect.left)
			||  (lScaledUpperLeftYWithOffsets
			    > updateRect.bottom) 
			||  (lScaledLowerRightYWithOffsets
			    < updateRect.top) )
		{
		    continue; //text doesn't overlap the window.
		}
		//If updateRect is in stretched coordinates, then the above
		// check won't find everyone who is outside the window, so
		// let's make sure we do here:
		if (bWindowHeightIsNotTheOriginalValue)
		{
		    if(yScaled > updateRect.bottom)
			continue; //It's outside the window
		}
		if (bWindowWidthIsNotTheOriginalValue)
		{
		    if(xScaled > updateRect.right)
			continue; //It's outside the window
		}

		//Since OnTimeSync()/OnTimeSynch() may not yet have been
		//called, we need to time-bounds check:
		//XXXEH- revisit this; don't do this every time for every T.C.,
		// but instead just keep track of whether or not OnTimeSynch()
		// has been called yet or not (...???):
		//First, if we're live, we need to compare times keeping
		// ULONG32-wrap-around in mind:
		BOOL bBeginTimeIsMoreRecentThanCurTime =
			IsTimeAMoreRecentThanTimeB(
			curTextContainerPtr->getBeginTime(),
			ulTimeOfCurrentDraw,
			pTextWindow->isLiveSource());
		BOOL bCurTimeIsMoreRecentThanEndTime =
			IsTimeAMoreRecentThanTimeB(
			ulTimeOfCurrentDraw,
			curTextContainerPtr->getEndTime(),
			pTextWindow->isLiveSource());
		//Sanity check:
		if(TIME_INVALID == curTextContainerPtr->getEndTime())
		{
		    HX_ASSERT(!bCurTimeIsMoreRecentThanEndTime);
		}
		if(bBeginTimeIsMoreRecentThanCurTime  ||
			bCurTimeIsMoreRecentThanEndTime)
		{
		    continue;
		}
		
		
#if defined(USE_FREETYPE_DIRECTLY) /*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
		/* encoding.  Pre-defined values are:
		* ft_encoding_symbol, ft_encoding_unicode,
		* ft_encoding_latin_2, ft_encoding_sjis,
		* ft_encoding_gb2312, ft_encoding_big5,
		* ft_encoding_wansung (Hangeul(?) A.K.A. ksc5601),
		* ft_encoding_johab, ft_encoding_apple_roman
		*/
		FT_Encoding ftCharsetEncoding = ft_encoding_none;
#endif /* USE_FREETYPE_DIRECTLY. */ /*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/

#if !defined(USE_FREETYPE_DIRECTLY) /*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
		HFONT hfont, hfontOld;
#endif /* !USE_FREETYPE_DIRECTLY. */ /*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/

		DWORD fdwCharset = ANSI_CHARSET;
		ULONG32 ulCharset = curTextContainerPtr->getFontCharset();
		if(ulCharset & HX_WEST_EUROPE_CHARSET)
		{
		    fdwCharset = ANSI_CHARSET;
#if defined(USE_FREETYPE_DIRECTLY) /*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
		    ftCharsetEncoding = ft_encoding_none;
#endif /* !USE_FREETYPE_DIRECTLY. */ /*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
		}
		else if(ulCharset & HX_JAPANESE_CHARSET)
		{
		    fdwCharset = SHIFTJIS_CHARSET;
#if defined(USE_FREETYPE_DIRECTLY) /*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
		    ftCharsetEncoding = ft_encoding_sjis;
#endif /* !USE_FREETYPE_DIRECTLY. */ /*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
		}
		else if(ulCharset & HX_KOREAN_CHARSET)
		{
		    fdwCharset = HANGEUL_CHARSET;
#if defined(USE_FREETYPE_DIRECTLY) /*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
		    ftCharsetEncoding = ft_encoding_wansung; // /==Hangeul=ksc5601?
#endif /* !USE_FREETYPE_DIRECTLY. */ /*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
		}
		else if(ulCharset & HX_CHINESE_CHARSET)
		{
		    //Note: there are two charsets for 2312, namely
		    // CHARSET__gb_2312 and CHARSET__gb_2312_80, but Windows
		    // doesn't know about the _80 one, so treat them both as
		    // GB2312_CHARSET.
		    fdwCharset = GB2312_CHARSET; 
#if defined(USE_FREETYPE_DIRECTLY) /*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
		    ftCharsetEncoding = ft_encoding_gb2312;
#endif /* !USE_FREETYPE_DIRECTLY. */ /*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
		    if(ulCharset == CHARSET__big5)
		    {
			fdwCharset = CHINESEBIG5_CHARSET;
#if defined(USE_FREETYPE_DIRECTLY) /*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
			ftCharsetEncoding = ft_encoding_big5;
#endif /* !USE_FREETYPE_DIRECTLY. */ /*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
		    }
		} 
		/* XXXXXEH- don't do this yet; there's no point in defaulting
		 * to the default charset for this computer because RT requires
		 * you to specify a font face otherwise it uses "times"
		else
		{
		    fdwCharset = OEM_CHARSET;
		}
		*/

		ULONG32 ulFontFaceIndex =
			curTextContainerPtr->getFontFace();
		ULONG32 ulFontPointSize =
			curTextContainerPtr->getFontPointSize();
		BOOL bIsBold =
			curTextContainerPtr->isBold();
		BOOL bIsItalicized =
			curTextContainerPtr->isItalicized();

		//Create the appropriate font for this block of text:

		// XXXBHG -  Support for font scaling in 2x and FS mode
		LONG32 ulScaledHeight = ulFontPointSize;
		LONG32 ulScaledWidth  = 0;

		_CHAR* pCurFontFaceString =
			(_CHAR*)curTextContainerPtr->getFontFaceString(
			pTextWindow->getMajorContentVersion(),
			pTextWindow->getMinorContentVersion());

#if !defined(USE_FREETYPE_DIRECTLY) /*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
		// if we're not at 1x mode, then create a temporary 1x font
		// to determine it's average width, we'll use this to ask
		// for the right average width in 2x and FS modes
		if (bWindowHeightIsNotTheOriginalValue)
		{
		    HFONT htempfont = CreateFont(
			    ulFontPointSize, //logical ht 
			    0, // logical average character width 
			    0, // angle of escapement 
			    0, //base-line orientation angle (==escapement Win95)
			    (bIsBold?FW_BOLD:FW_NORMAL),
			    bIsItalicized,//italic flag
			    //Do underlining manually now (due to
			    // possible gaps if alternate font has to be
			    // used and forced spacing is not quite as os
			    // calculates it:
			    FALSE,
			    curTextContainerPtr->isStruckOut(),//strikeout flag
			    fdwCharset,
			    OUT_DEFAULT_PRECIS,	// output precision 
			    CLIP_DEFAULT_PRECIS,// clipping precision 
			    DEFAULT_QUALITY,// output quality 
			    DEFAULT_PITCH|FF_DONTCARE,// pitch and family
			    (char*)pCurFontFaceString
			    );

		    LOGFONT logfont;
		    GetObject(htempfont,sizeof(logfont),&logfont);
		    DeleteObject(htempfont);

		    ulScaledHeight = MulDiv(logfont.lfHeight, lWindowHeight,
			    pTextWindow->getHeight());
		    ulScaledWidth  = MulDiv(logfont.lfWidth,  lWindowWidth,
			    pTextWindow->getWidth() );
		}

		hfont = CreateFont(
			(INT32)ulScaledHeight, //logical ht 
			(INT32)ulScaledWidth, // logical average character width 
			0, // angle of escapement 
			0, //base-line orientation angle (==escapement Win95)
			(bIsBold?FW_BOLD:FW_NORMAL),
			bIsItalicized,//italic flag
			//Do underlining manually now (due to
			// possible gaps if alternate font has to be
			// used and forced spacing is not quite as os
			// calculates it:
			FALSE,
			//Do strike-through manually now (due to
			// possible gaps if alternate font has to be
			// used and forced spacing is not quite as os
			// calculates it:
			FALSE, //curTextContainerPtr->isStruckOut(),
			fdwCharset,
			OUT_DEFAULT_PRECIS,	// output precision 
			CLIP_DEFAULT_PRECIS,// clipping precision 
			DEFAULT_QUALITY,// output quality 
			DEFAULT_PITCH|FF_DONTCARE,// pitch and family
			(char*)pCurFontFaceString
			);



		if(!hfont)
		{
#if !defined(USE_DIB_SECTION)
		    SelectObject(hDC, hbmpOld);
#endif
		    return FALSE;
		}

		hfontOld = (HFONT)SelectObject(hDC, hfont);
		if(!hfontOld)
		{
#if !defined(USE_DIB_SECTION)
		    SelectObject(hDC, hbmpOld);
#endif
		    DeleteObject(hfont);
		    return FALSE;
		}
#endif /* !USE_FREETYPE_DIRECTLY. */ /*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/

		COLORTYPE textColor, textColorOld;
		COLORTYPE bgTextColor;
		textColor = curTextContainerPtr->getTextColor();
		if(TYPE_TICKERTAPE == pTextWindow->getType())
		{
		    textColor =curTextContainerPtr->getTickertapeTextColor();
		}
		textColorOld = SetTextColor(
			hDC, convertCOLORTYPEtoWinBGRColor(textColor) );
		if(CLR_INVALID == textColorOld)
		{
#if !defined(USE_DIB_SECTION)
		    SelectObject(hDC, hbmpOld);
#endif
#if !defined(USE_FREETYPE_DIRECTLY) /*vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv*/
		    DeleteObject(hfont);
#endif /* USE_FREETYPE_DIRECTLY. */ /*^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^*/
		    return FALSE;
		}

		bgTextColor = curTextContainerPtr->getTextBackgroundColor();

		_CHAR* pTextbuffer = curTextContainerPtr->getBuffer();
		ULONG32 ulTextLengthPlusOneOfCurTC =
			curTextContainerPtr->getTextLengthPlus1();

		char tmpString[4]; /* Flawfinder: ignore */  //[0] holds char to be drawn (or [0] and
				    // [1] do if DBCS), and [1] (or [2] if 
				    // 2-byte char) holds '\0';
		tmpString[1] = tmpString[2] = tmpString[3] = '\0';
		INT16 tmpStringLen = 0;

#if defined(XXXEH_TESTING_DATAURLPLAINTEXT_HANDLING2)
FILE* f1 = ::fopen("c:\\LogDataURLhandling.txt", "a+");
::fprintf(f1, "\tDraw(): pTextBuffer={{{%s}}}\n", pTextbuffer);
::fclose(f1);
#endif

		if(pTextbuffer  &&  ulTextLengthPlusOneOfCurTC > 1)
		{
#if 0
UINT prevAlignment = 
	SetTextAlign(hDC, VTA_BASELINE);
#endif

		    //if bgcolor is not transparent, and/or if isUnderlined
		    // is TRUE, draw a rect (or line for underline) manually
		    // behind the entire text rather than letting textout do
		    // it for each letter (which is slower and sometimes leaves