cfbteblt8.c

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			    Loop \
		    	} \
		    	break; \
		    }

#ifdef FAST_CONSTANT_OFFSET_MODE
#define StorePixels(o,p)    dst[o] = p
#define Loop		    dst += widthDst;
#else
#define StorePixels(o,p)    *dst++ = (p)
#define Loop		    dst += widthLeft;
#endif

#define Step		    NextBitGroup(c);

#if (BITMAP_BIT_ORDER == MSBFirst)
#define StoreBits(o)	StorePixels(o,GetPixelGroup(c));
#define FirstStep	Step
#else
#if PGSZ == 64
#define StoreBits(o)	StorePixels(o,cfb8Pixels[(c) & PGSZBMSK]);
#define FirstStep	Step
#else /* PGSZ == 32 */
#define StoreBits(o)	StorePixels(o,*((unsigned long *) (((char *) cfb8Pixels) + (c & 0x3c))));
#define FirstStep	c = BitLeft (c, 2);
#endif /* PGSZ */
#endif /* BITMAP_BIT_ORDER */


void
CFBTEGBLT8 (pDrawable, pGC, xInit, yInit, nglyph, ppci, pglyphBase)
    DrawablePtr pDrawable;
    GC 		*pGC;
    int 	xInit, yInit;
    unsigned int nglyph;
    CharInfoPtr *ppci;		/* array of character info */
    pointer	pglyphBase;	/* start of array of glyphs */
{
    register unsigned long  c;
    register unsigned long  *dst;
    register unsigned long  leftMask, rightMask;
    register int	    hTmp;
    register int	    xoff1;
    register glyphPointer   char1;
    register glyphPointer   char2;
#if NGLYPHS >= 3
    register glyphPointer   char3;
#endif
#if NGLYPHS >= 4
    register glyphPointer   char4;
#endif
#if NGLYPHS >= 5
    register glyphPointer   char5;
#endif
#ifdef ALL_LEFTBITS
    int xoff2, xoff3, xoff4, xoff5;
#endif

    FontPtr		pfont = pGC->font;
    unsigned long	*dstLine;
    glyphPointer	oldRightChar;
    unsigned long	*pdstBase;
    glyphPointer	leftChar;
    int			widthDst, widthLeft;
    int			widthGlyph;
    int			h;
    int			ew;
    int			x, y;
    BoxRec		bbox;		/* for clipping */
    int			lshift;
    int			widthGlyphs;
#ifdef USE_LEFTBITS
    register unsigned long  glyphMask;
    register unsigned long  tmpSrc;
    register int	    glyphBytes;
#endif

    widthGlyph = FONTMAXBOUNDS(pfont,characterWidth);
    h = FONTASCENT(pfont) + FONTDESCENT(pfont);
    if (!h)
	return;
    x = xInit + FONTMAXBOUNDS(pfont,leftSideBearing) + pDrawable->x;
    y = yInit - FONTASCENT(pfont) + pDrawable->y;
    bbox.x1 = x;
    bbox.x2 = x + (widthGlyph * nglyph);
    bbox.y1 = y;
    bbox.y2 = y + h;

    switch (RECT_IN_REGION(pGC->pScreen,  cfbGetCompositeClip(pGC), &bbox))
    {
      case rgnPART:
	cfbImageGlyphBlt8(pDrawable, pGC, xInit, yInit, nglyph, ppci, pglyphBase);
      case rgnOUT:
	return;
    }

    if (!cfb8CheckPixels (pGC->fgPixel, pGC->bgPixel))
	cfb8SetPixels (pGC->fgPixel, pGC->bgPixel);

    leftChar = 0;

    cfbGetLongWidthAndPointer(pDrawable, widthDst, pdstBase)

#if NGLYPHS == 2
    widthGlyphs = widthGlyph << 1;
#else
#if NGLYPHS == 4
    widthGlyphs = widthGlyph << 2;
#else
    widthGlyphs = widthGlyph * NGLYPHS;
#endif
#endif

#ifdef USE_LEFTBITS
    glyphMask = endtab[widthGlyph];
    glyphBytes = GLYPHWIDTHBYTESPADDED(*ppci);
#endif

    pdstBase += y * widthDst;
#ifdef DO_COMMON
    if (widthGlyphs <= 32)
#endif
    	while (nglyph >= NGLYPHS)
    	{
	    nglyph -= NGLYPHS;
	    hTmp = h;
	    dstLine = pdstBase + (x >> PWSH);
	    xoff1 = x & PIM;
	    char1 = (glyphPointer) FONTGLYPHBITS(pglyphBase, *ppci++);
	    char2 = (glyphPointer) FONTGLYPHBITS(pglyphBase, *ppci++);
#ifdef ALL_LEFTBITS
	    xoff2 = xoff1 + widthGlyph;
#endif
#if NGLYPHS >= 3
	    char3 = (glyphPointer) FONTGLYPHBITS(pglyphBase, *ppci++);
#ifdef ALL_LEFTBITS
	    xoff3 = xoff2 + widthGlyph;
#endif
#endif
#if NGLYPHS >= 4
	    char4 = (glyphPointer) FONTGLYPHBITS(pglyphBase, *ppci++);
#ifdef ALL_LEFTBITS
	    xoff4 = xoff3 + widthGlyph;
#endif
#endif
#if NGLYPHS >= 5
	    char5 = (glyphPointer) FONTGLYPHBITS(pglyphBase, *ppci++);
#ifdef ALL_LEFTBITS
	    xoff5 = xoff4 + widthGlyph;
#endif
#endif
	    oldRightChar = LastChar;
	    dst = dstLine;
	    if (xoff1)
	    {
		ew = ((widthGlyphs - (PGSZB - xoff1)) >> PWSH) + 1;
#ifndef FAST_CONSTANT_OFFSET_MODE
		widthLeft = widthDst - ew;
#endif
	    	if (!leftChar)
	    	{
		    leftMask = cfbendtab[xoff1];
		    rightMask = cfbstarttab[xoff1];

#define StoreBits0	StorePixels (0,dst[0] & leftMask | \
				       GetPixelGroup(c) & rightMask);
#define GetBits GetBitsNS

		    SwitchEm

#undef GetBits
#undef StoreBits0

	    	}
	    	else
	    	{
		    lshift = widthGlyph - xoff1;
    
#define StoreBits0  StorePixels (0,GetPixelGroup(c));
#define GetBits GetBitsNL
    
		    SwitchEm
    
#undef GetBits
#undef StoreBits0
    
	    	}
	    }
	    else
	    {
#if NGLYPHS == 4 && PGSZ == 32
	    	ew = widthGlyph;    /* widthGlyphs >> 2 */
#else
	    	ew = widthGlyphs >> PWSH;
#endif
#ifndef FAST_CONSTANT_OFFSET_MODE
		widthLeft = widthDst - ew;
#endif

#define StoreBits0  StorePixels (0,GetPixelGroup(c));
#define GetBits	GetBitsNU

	    	SwitchEm

#undef GetBits
#undef StoreBits0

	    }
	    x += widthGlyphs;
	    leftChar = oldRightChar;
    	}
    while (nglyph--)
    {
	xoff1 = x & PIM;
	char1 = (glyphPointer) FONTGLYPHBITS(pglyphBase, *ppci++);
	hTmp = h;
	dstLine = pdstBase + (x >> PWSH);
	oldRightChar = char1;
	dst = dstLine;
	if (xoff1)
	{
	    ew = ((widthGlyph - (PGSZB - xoff1)) >> PWSH) + 1;
#ifndef FAST_CONSTANT_OFFSET_MODE
	    widthLeft = widthDst - ew;
#endif
	    if (!leftChar)
	    {
		leftMask = cfbendtab[xoff1];
		rightMask = cfbstarttab[xoff1];

#define StoreBits0	StorePixels (0,dst[0] & leftMask | GetPixelGroup(c) & rightMask);
#define GetBits	WGetBits1S

		SwitchEm
#undef GetBits
#undef StoreBits0

	    }
	    else
	    {
		lshift = widthGlyph - xoff1;

#define StoreBits0  StorePixels (0,GetPixelGroup(c));
#define GetBits WGetBits1L

		SwitchEm
#undef GetBits
#undef StoreBits0

	    }
	}
	else
	{
	    ew = widthGlyph >> PWSH;

#ifndef FAST_CONSTANT_OFFSET_MODE
	    widthLeft = widthDst - ew;
#endif

#define StoreBits0  StorePixels (0,GetPixelGroup(c));
#define GetBits	WGetBits1U

	    SwitchEm

#undef GetBits
#undef StoreBits0

	}
	x += widthGlyph;
	leftChar = oldRightChar;
    }
    /*
     * draw the tail of the last character
     */
    xoff1 = x & PIM;
    if (xoff1)
    {
	rightMask = cfbstarttab[xoff1];
	leftMask = cfbendtab[xoff1];
	lshift = widthGlyph - xoff1;
	dst = pdstBase + (x >> PWSH);
	hTmp = h;
	while (hTmp--)
	{
	    GetBitsL;
	    *dst = (*dst & rightMask) | (GetPixelGroup(c) & leftMask);
	    dst += widthDst;
	}
    }
}
#endif /* PSZ == 8 */