cfbgc.c

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	case GCCapStyle:
	    break;
	case GCFillStyle:
	    new_text = TRUE;
	    new_fillspans = TRUE;
	    new_line = TRUE;
	    new_fillarea = TRUE;
	    break;
	case GCFillRule:
	    break;
	case GCTile:
	    new_fillspans = TRUE;
	    new_fillarea = TRUE;
	    break;

	case GCStipple:
	    if (pGC->stipple)
	    {
		int width = pGC->stipple->drawable.width;
		PixmapPtr nstipple;

		if ((width <= PGSZ) && !(width & (width - 1)) &&
		    (nstipple = cfbCopyPixmap(pGC->stipple)))
		{
		    cfbPadPixmap(nstipple);
		    (*pGC->pScreen->DestroyPixmap)(pGC->stipple);
		    pGC->stipple = nstipple;
		}
	    }
	    new_fillspans = TRUE;
	    new_fillarea = TRUE;
	    break;

	case GCTileStipXOrigin:
	    new_rotate = TRUE;
	    break;

	case GCTileStipYOrigin:
	    new_rotate = TRUE;
	    break;

	case GCFont:
	    new_text = TRUE;
	    break;
	case GCSubwindowMode:
	    break;
	case GCGraphicsExposures:
	    break;
	case GCClipXOrigin:
	    break;
	case GCClipYOrigin:
	    break;
	case GCClipMask:
	    break;
	case GCDashOffset:
	    break;
	case GCDashList:
	    break;
	case GCArcMode:
	    break;
	default:
	    break;
	}
    }

    /*
     * If the drawable has changed,  ensure suitable
     * entries are in the proc vector. 
     */
    if (pDrawable->serialNumber != (pGC->serialNumber & (DRAWABLE_SERIAL_BITS))) {
	new_fillspans = TRUE;	/* deal with FillSpans later */
    }

    if (new_rotate || new_fillspans)
    {
	Bool new_pix = FALSE;

	xrot = pGC->patOrg.x + pDrawable->x;
	yrot = pGC->patOrg.y + pDrawable->y;

	switch (pGC->fillStyle)
	{
	case FillTiled:
	    if (!pGC->tileIsPixel)
	    {
		int width = pGC->tile.pixmap->drawable.width * PSZ;

		if ((width <= PGSZ) && !(width & (width - 1)))
		{
		    cfbCopyRotatePixmap(pGC->tile.pixmap,
					&devPriv->pRotatedPixmap,
					xrot, yrot);
		    new_pix = TRUE;
		}
	    }
	    break;
#ifdef FOUR_BIT_CODE
	case FillStippled:
	case FillOpaqueStippled:
	    {
		int width = pGC->stipple->drawable.width;

		if ((width <= PGSZ) && !(width & (width - 1)))
		{
		    mfbCopyRotatePixmap(pGC->stipple,
					&devPriv->pRotatedPixmap, xrot, yrot);
		    new_pix = TRUE;
		}
	    }
	    break;
#endif
	}
	if (!new_pix && devPriv->pRotatedPixmap)
	{
	    (*pGC->pScreen->DestroyPixmap)(devPriv->pRotatedPixmap);
	    devPriv->pRotatedPixmap = (PixmapPtr) NULL;
	}
    }

    if (new_rrop)
    {
	int old_rrop;

	old_rrop = devPriv->rop;
	devPriv->rop = cfbReduceRasterOp (pGC->alu, pGC->fgPixel,
					   pGC->planemask,
					   &devPriv->and, &devPriv->xor);
	if (old_rrop == devPriv->rop)
	    new_rrop = FALSE;
	else
	{
#ifdef PIXEL_ADDR
	    new_line = TRUE;
#endif
#ifdef WriteBitGroup
	    new_text = TRUE;
#endif
	    new_fillspans = TRUE;
	    new_fillarea = TRUE;
	}
    }

    if (new_rrop || new_fillspans || new_text || new_fillarea || new_line)
    {
	GCOps	*newops;

	if (newops = cfbMatchCommon (pGC, devPriv))
 	{
	    if (pGC->ops->devPrivate.val)
		miDestroyGCOps (pGC->ops);
	    pGC->ops = newops;
	    new_rrop = new_line = new_fillspans = new_text = new_fillarea = 0;
	}
 	else
 	{
	    if (!pGC->ops->devPrivate.val)
	    {
		pGC->ops = miCreateGCOps (pGC->ops);
		pGC->ops->devPrivate.val = 1;
	    }
	}
    }

    /* deal with the changes we've collected */
    if (new_line)
    {
	pGC->ops->FillPolygon = miFillPolygon;
#ifdef NO_ONE_RECT
	if (pGC->fillStyle == FillSolid)
	{
	    switch (devPriv->rop) {
	    case GXcopy:
		pGC->ops->FillPolygon = cfbFillPoly1RectCopy;
		break;
	    default:
		pGC->ops->FillPolygon = cfbFillPoly1RectGeneral;
		break;
	    }
	}
#else
	if (devPriv->oneRect && pGC->fillStyle == FillSolid)
	{
	    switch (devPriv->rop) {
	    case GXcopy:
		pGC->ops->FillPolygon = cfbFillPoly1RectCopy;
		break;
	    default:
		pGC->ops->FillPolygon = cfbFillPoly1RectGeneral;
		break;
	    }
	}
#endif
	if (pGC->lineWidth == 0)
	{
#ifdef PIXEL_ADDR
	    if ((pGC->lineStyle == LineSolid) && (pGC->fillStyle == FillSolid))
	    {
		switch (devPriv->rop)
		{
		case GXxor:
		    pGC->ops->PolyArc = cfbZeroPolyArcSS8Xor;
		    break;
		case GXcopy:
		    pGC->ops->PolyArc = cfbZeroPolyArcSS8Copy;
		    break;
		default:
		    pGC->ops->PolyArc = cfbZeroPolyArcSS8General;
		    break;
		}
	    }
	    else
#endif
		pGC->ops->PolyArc = miZeroPolyArc;
	}
	else
	    pGC->ops->PolyArc = miPolyArc;
	pGC->ops->PolySegment = miPolySegment;
	switch (pGC->lineStyle)
	{
	case LineSolid:
	    if(pGC->lineWidth == 0)
	    {
		if (pGC->fillStyle == FillSolid)
		{
#if defined(PIXEL_ADDR) && !defined(NO_ONE_RECT)
		    if (devPriv->oneRect &&
			((pDrawable->x >= pGC->pScreen->width - 32768) &&
			 (pDrawable->y >= pGC->pScreen->height - 32768)))
		    {
			pGC->ops->Polylines = cfb8LineSS1Rect;
			pGC->ops->PolySegment = cfb8SegmentSS1Rect;
		    } else
#endif
#ifdef NO_ONE_RECT
		    {
			pGC->ops->Polylines = cfb8LineSS1Rect;
			pGC->ops->PolySegment = cfb8SegmentSS1Rect;
		    }
#else
		    {
		    	pGC->ops->Polylines = cfbLineSS;
		    	pGC->ops->PolySegment = cfbSegmentSS;
		    }
#endif
		}
 		else
		    pGC->ops->Polylines = miZeroLine;
	    }
	    else
		pGC->ops->Polylines = miWideLine;
	    break;
	case LineOnOffDash:
	case LineDoubleDash:
	    if (pGC->lineWidth == 0 && pGC->fillStyle == FillSolid)
	    {
		pGC->ops->Polylines = cfbLineSD;
		pGC->ops->PolySegment = cfbSegmentSD;
	    } else
		pGC->ops->Polylines = miWideDash;
	    break;
	}
    }

    if (new_text && (pGC->font))
    {
        if (FONTMAXBOUNDS(pGC->font,rightSideBearing) -
            FONTMINBOUNDS(pGC->font,leftSideBearing) > 32 ||
	    FONTMINBOUNDS(pGC->font,characterWidth) < 0)
        {
            pGC->ops->PolyGlyphBlt = miPolyGlyphBlt;
            pGC->ops->ImageGlyphBlt = miImageGlyphBlt;
        }
        else
        {
#ifdef WriteBitGroup
	    if (pGC->fillStyle == FillSolid)
	    {
		if (devPriv->rop == GXcopy)
		    pGC->ops->PolyGlyphBlt = cfbPolyGlyphBlt8;
		else
#ifdef FOUR_BIT_CODE
		    pGC->ops->PolyGlyphBlt = cfbPolyGlyphRop8;
#else
		    pGC->ops->PolyGlyphBlt = miPolyGlyphBlt;
#endif
	    }
	    else
#endif
		pGC->ops->PolyGlyphBlt = miPolyGlyphBlt;
            /* special case ImageGlyphBlt for terminal emulator fonts */
#if !defined(WriteBitGroup) || PSZ == 8
	    if (TERMINALFONT(pGC->font) &&
		(pGC->planemask & PMSK) == PMSK
#ifdef FOUR_BIT_CODE
		&& FONTMAXBOUNDS(pGC->font,characterWidth) >= PGSZB
#endif
		)
	    {
		pGC->ops->ImageGlyphBlt = useTEGlyphBlt;
	    }
            else
#endif
	    {
#ifdef WriteBitGroup
		if (devPriv->rop == GXcopy &&
		    pGC->fillStyle == FillSolid &&
		    (pGC->planemask & PMSK) == PMSK)
		    pGC->ops->ImageGlyphBlt = cfbImageGlyphBlt8;
		else
#endif
		    pGC->ops->ImageGlyphBlt = miImageGlyphBlt;
	    }
        }
    }    


    if (new_fillspans) {
	switch (pGC->fillStyle) {
	case FillSolid:
	    switch (devPriv->rop) {
	    case GXcopy:
		pGC->ops->FillSpans = cfbSolidSpansCopy;
		break;
	    case GXxor:
		pGC->ops->FillSpans = cfbSolidSpansXor;
		break;
	    default:
		pGC->ops->FillSpans = cfbSolidSpansGeneral;
		break;
	    }
	    break;
	case FillTiled:
	    if (devPriv->pRotatedPixmap)
	    {
		if (pGC->alu == GXcopy && (pGC->planemask & PMSK) == PMSK)
		    pGC->ops->FillSpans = cfbTile32FSCopy;
		else
		    pGC->ops->FillSpans = cfbTile32FSGeneral;
	    }
	    else
		pGC->ops->FillSpans = cfbUnnaturalTileFS;
	    break;
	case FillStippled:
#ifdef FOUR_BIT_CODE
	    if (devPriv->pRotatedPixmap)
		pGC->ops->FillSpans = cfb8Stipple32FS;
	    else
#endif
		pGC->ops->FillSpans = cfbUnnaturalStippleFS;
	    break;
	case FillOpaqueStippled:
#ifdef FOUR_BIT_CODE
	    if (devPriv->pRotatedPixmap)
		pGC->ops->FillSpans = cfb8OpaqueStipple32FS;
	    else
#endif
		pGC->ops->FillSpans = cfbUnnaturalStippleFS;
	    break;
	default:
	    FatalError("cfbValidateGC: illegal fillStyle\n");
	}
    } /* end of new_fillspans */

    if (new_fillarea) {
#ifndef FOUR_BIT_CODE
	pGC->ops->PolyFillRect = miPolyFillRect;
	if (pGC->fillStyle == FillSolid || pGC->fillStyle == FillTiled)
	{
	    pGC->ops->PolyFillRect = cfbPolyFillRect;
	}
#endif
#ifdef FOUR_BIT_CODE
	pGC->ops->PushPixels = mfbPushPixels;
	if (pGC->fillStyle == FillSolid && devPriv->rop == GXcopy)
	    pGC->ops->PushPixels = cfbPushPixels8;
#endif
	pGC->ops->PolyFillArc = miPolyFillArc;
	if (pGC->fillStyle == FillSolid)
	{
	    switch (devPriv->rop)
	    {
	    case GXcopy:
		pGC->ops->PolyFillArc = cfbPolyFillArcSolidCopy;
		break;
	    default:
		pGC->ops->PolyFillArc = cfbPolyFillArcSolidGeneral;
		break;
	    }
	}
    }
}