/* $XConsortium: cOCprim.c,v 5.7 92/06/02 19:41:04 hersh Exp $ */

/***********************************************************
Copyright 1989, 1990, 1991 by Sun Microsystems, Inc. and the X Consortium.

                        All Rights Reserved

Permission to use, copy, modify, and distribute this software and its 
documentation for any purpose and without fee is hereby granted, 
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in 
supporting documentation, and that the names of Sun Microsystems,
the X Consortium, and MIT not be used in advertising or publicity 
pertaining to distribution of the software without specific, written 
prior permission.  

SUN MICROSYSTEMS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, 
INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT 
SHALL SUN MICROSYSTEMS BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL 
DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
SOFTWARE.

******************************************************************/


/*
	Contains swap routines for certain OCs and utility routines.
	The difference between this file and its companion uOCprim.c
	are subtle, having to do with, for example, whether or not
	you have to swap strmPtr->numPoints before or after you will
	need to use it to know how many points to convert.
 */

/*	All such packet interdependencies should be handled in these two 
	files: cOCprim.c and uOCprim.c
 */

#include "X.h"
#include "Xproto.h"
#include "misc.h"
#include "PEX.h"
#include "PEXproto.h"
#include "PEXprotost.h"
#include "dipex.h"
#include "pexSwap.h"
#include "pex_site.h"
#include "convertStr.h"

#define LOCAL_FLAG extern
#include "convUtil.h"
#include "OCattr.h"
#undef LOCAL_FLAG

#include "ConvName.h"
#define LOCAL_FLAG
#include "OCprim.h"



unsigned char *
SWAP_FUNC_PREFIX(SwapFacet) (swapPtr, facetMask, vertexMask, colourType, ptr)
pexSwap	    *swapPtr;
CARD16		    facetMask;
CARD16		    vertexMask;
pexEnumTypeIndex    colourType;
unsigned char	    *ptr;
{
    CARD32 numVerts;
    CARD32 i;

    ptr = SwapOptData (swapPtr, ptr, facetMask, colourType);

    SWAP_CARD32((*((CARD32 *)ptr)));
    numVerts = *((CARD32 *)ptr);
    ptr += sizeof(CARD32);

    for (i=0; i<numVerts; i++) 
	ptr = SwapVertex (swapPtr, (pexVertex *)ptr, vertexMask, colourType);
}



unsigned char *
SWAP_FUNC_PREFIX(SwapColourSpecifier) (swapPtr, pc)
pexSwap	    *swapPtr;
pexColourSpecifier  *pc;
{
    unsigned char *ptr;

    SWAP_CARD16 (pc->colourType);
    ptr = (unsigned char *)(pc+1);
    ptr = SwapColour (swapPtr,	(pexColour *)ptr, pc->colourType);
    return (ptr);
}

unsigned char *
SWAP_FUNC_PREFIX(SwapReflectionAttr) (swapPtr, p_data) 
pexSwap	    *swapPtr;
pexReflectionAttr   *p_data;
{
    unsigned char *ptr = (unsigned char *)p_data;
    SWAP_FLOAT (p_data->ambient);
    SWAP_FLOAT (p_data->diffuse);
    SWAP_FLOAT (p_data->specular);
    SWAP_FLOAT (p_data->specularConc);
    SWAP_FLOAT (p_data->transmission); 
    ptr = SWAP_FUNC_PREFIX(SwapColourSpecifier) (   swapPtr,
						    &(p_data->specularColour));

    return (ptr);
}

void
SWAP_FUNC_PREFIX(SwapMonoEncoding) (swapPtr, pME, num)
pexSwap	*swapPtr;
pexMonoEncoding	*pME;
CARD32		num;
{
    CARD16 i, j;
    for (i=0; i<num; i++) {
	SWAP_CARD16(pME->characterSet);
	switch (pME->characterSetWidth) {
	    case PEXCSByte: break;
	    case PEXCSShort: {
		CARD16 *ptr = (CARD16 *)(pME+1);
		for (j=0; j<pME->numChars; j++, ptr++) SWAP_CARD16((*ptr));
	    }
	    case PEXCSLong: {
		CARD32 *ptr = (CARD32 *)(pME+1);
		for (j=0; j<pME->numChars; j++, ptr++) SWAP_CARD32((*ptr));
	    }
	}

	SWAP_CARD16(pME->numChars);	
    }
    
}



/*  The rest are OC's */

ErrorCode
SWAP_FUNC_PREFIX(PEXModelClipVolume) (swapPtr, strmPtr)
pexSwap	    *swapPtr;
pexModelClipVolume  *strmPtr;
{
    int i;
    pexHalfSpace *ph;

    SWAP_ENUM_TYPE_INDEX (strmPtr->modelClipOperator);
    SWAP_CARD16 (strmPtr->numHalfSpaces);

    for (i=0, ph=(pexHalfSpace *)(strmPtr+1); i<strmPtr->numHalfSpaces; i++,ph++)
	SwapHalfSpace(swapPtr, ph);

}

ErrorCode
SWAP_FUNC_PREFIX(PEXModelClipVolume2D) (swapPtr, strmPtr)
pexSwap	*swapPtr;
pexModelClipVolume2D	*strmPtr;
{
    int i;
    pexHalfSpace2D *ph;

    SWAP_ENUM_TYPE_INDEX (strmPtr->modelClipOperator);
    SWAP_CARD16 (strmPtr->numHalfSpaces);

    for (i=0,ph=(pexHalfSpace2D *)(strmPtr+1);i<strmPtr->numHalfSpaces; i++,ph++)
	SwapHalfSpace2D(swapPtr, ph);

}

ErrorCode
SWAP_FUNC_PREFIX(PEXAddToNameSet) (swapPtr, strmPtr)
pexSwap	*swapPtr;
pexAddToNameSet	*strmPtr;
{
    int i, num;
    pexName *pn;


    num = (int)(((sizeof (CARD32) * strmPtr->head.length) - sizeof(pexAddToNameSet))
	/sizeof(pexName));

    for (i=0, pn=(pexName *)(strmPtr+1); i<num; i++, pn++)
	SWAP_NAME ((*pn));

}


/* typedef pexAddToNameSet pexRemoveFromNameSet;*/

ErrorCode
SWAP_FUNC_PREFIX(PEXMarker) (swapPtr, strmPtr)
pexSwap	*swapPtr;
pexMarker	*strmPtr;
{
    CARD32 num;
    pexCoord3D *pc = (pexCoord3D *)(strmPtr+1);


    num = (CARD32)(((sizeof (CARD32) * strmPtr->head.length) - sizeof(pexMarker))
	/sizeof(pexCoord3D));

    SwapCoord3DList(swapPtr, pc, num);
}

ErrorCode
SWAP_FUNC_PREFIX(PEXMarker2D) (swapPtr, strmPtr)
pexSwap	*swapPtr;
pexMarker2D	*strmPtr;
{
    CARD32 num;
    pexCoord2D *pc = (pexCoord2D *)(strmPtr+1);


    num = (CARD32)(((sizeof (CARD32) * strmPtr->head.length) - sizeof(pexMarker2D))
	/sizeof(pexCoord2D));

    SwapCoord2DList(swapPtr, pc, num);
}


ErrorCode
SWAP_FUNC_PREFIX(PEXPolyline) (swapPtr, strmPtr)
pexSwap	*swapPtr;
pexPolyline	*strmPtr;
{
    CARD32 num;
    pexCoord3D *pc = (pexCoord3D *)(strmPtr+1);


    num = (CARD32)(((sizeof (CARD32) * strmPtr->head.length) - sizeof(pexPolyline))
	/sizeof(pexCoord3D));

    SwapCoord3DList(swapPtr, pc, num);

}

ErrorCode
SWAP_FUNC_PREFIX(PEXPolyline2D) (swapPtr, strmPtr)
pexSwap	*swapPtr;
pexPolyline2D	*strmPtr;
{
    CARD32 num;
    pexCoord2D *pc = (pexCoord2D *)(strmPtr+1);


    num = (CARD32)(((sizeof (CARD32) * strmPtr->head.length) - sizeof(pexPolyline2D))
	/sizeof(pexCoord2D));

    SwapCoord2DList(swapPtr, pc, num);

}

ErrorCode
SWAP_FUNC_PREFIX(PEXPolylineSet) (swapPtr, strmPtr)
pexSwap	*swapPtr;
pexPolylineSet	*strmPtr;
{
    unsigned long i, j, k;
    CARD32 *pj;
    pexVertex *pv;
    
    SWAP_COLOUR_TYPE (strmPtr->colourType);
    SWAP_CARD16 (strmPtr->vertexAttribs);
    SWAP_CARD32 (strmPtr->numLists);

    pj = (CARD32 *)(strmPtr+1);
    for (i=0; i<strmPtr->numLists; i++, pj = (CARD32 *)pv) {

	SWAP_CARD32 ((*pj));
	k = *pj++;
	for (j=0, pv = (pexVertex *)pj; j<k; j++) {
	    pv = (pexVertex *) SwapVertex (swapPtr, pv, strmPtr->vertexAttribs, strmPtr->colourType);
	}

    }
}

ErrorCode
SWAP_FUNC_PREFIX(PEXNurbCurve) (swapPtr, strmPtr)
pexSwap	*swapPtr;
pexNurbCurve	*strmPtr;
{
    int i;
    PEXFLOAT *pf;

    SWAP_CARD16 (strmPtr->curveOrder);
    SWAP_COORD_TYPE (strmPtr->coordType);
    SWAP_FLOAT (strmPtr->tmin);
    SWAP_FLOAT (strmPtr->tmax);
    SWAP_CARD32 (strmPtr->numKnots);
    SWAP_CARD32 (strmPtr->numPoints);

    for (i=0, pf=(PEXFLOAT *)(strmPtr+1); i<strmPtr->numKnots; i++, pf++)
	SWAP_FLOAT((*pf));

    if (strmPtr->coordType == PEXRational) 
	SwapCoord4DList(swapPtr, (pexCoord4D *)pf, strmPtr->numPoints);
    else
	SwapCoord3DList(swapPtr, (pexCoord3D *)pf, strmPtr->numPoints);
}

ErrorCode
SWAP_FUNC_PREFIX(PEXFillArea) (swapPtr, strmPtr)
pexSwap	*swapPtr;
pexFillArea	*strmPtr;
{
    CARD32 num;
    pexCoord3D *pc = (pexCoord3D *)(strmPtr+1);


    num = (CARD32)(((sizeof (CARD32) * strmPtr->head.length) - sizeof(pexFillArea))
	/sizeof(pexCoord3D));

    SWAP_CARD16 (strmPtr->shape);

    SwapCoord3DList(swapPtr, pc, num);

}

ErrorCode
SWAP_FUNC_PREFIX(PEXFillArea2D) (swapPtr, strmPtr)
pexSwap	*swapPtr;
pexFillArea2D	*strmPtr;
{
    CARD32 num;
    pexCoord2D *pc = (pexCoord2D *)(strmPtr+1);

    num = (CARD32)(((sizeof (CARD32) * strmPtr->head.length) - sizeof(pexFillArea2D))
	/sizeof(pexCoord2D));

    SWAP_CARD16 (strmPtr->shape);

    SwapCoord2DList(swapPtr, pc, num);

}

ErrorCode
SWAP_FUNC_PREFIX(PEXExtFillArea) (swapPtr, strmPtr)
pexSwap	*swapPtr;
pexExtFillArea	*strmPtr;
{

    SWAP_CARD16 (strmPtr->shape);
    SWAP_COLOUR_TYPE (strmPtr->colourType);
    SWAP_CARD16 (strmPtr->facetAttribs);
    SWAP_CARD16 (strmPtr->vertexAttribs);

    SWAP_FUNC_PREFIX(SwapFacet)(    swapPtr, strmPtr->facetAttribs,
				    strmPtr->vertexAttribs, strmPtr->colourType,
				    (CARD8 *)(strmPtr+1));

}

ErrorCode
SWAP_FUNC_PREFIX(PEXFillAreaSet) (swapPtr, strmPtr)
pexSwap	*swapPtr;
pexFillAreaSet	*strmPtr;
{
    unsigned long i, j, k;
    CARD32 *pj;
    pexCoord3D *pc;

    SWAP_CARD16 (strmPtr->shape);
    SWAP_CARD32 (strmPtr->numLists);

    pj = (CARD32 *)(strmPtr+1);

    for (i=0; i<strmPtr->numLists; i++, pj = (CARD32 *)pc ) {

	SWAP_CARD32 ((*pj));
	k = *pj++;
	for (j=0, pc = (pexCoord3D *)pj; j<k; j++, pc++) {
	    SWAP_COORD3D ((*pc));
	}
    }

}

ErrorCode
SWAP_FUNC_PREFIX(PEXFillAreaSet2D) (swapPtr, strmPtr)
pexSwap	*swapPtr;
pexFillAreaSet2D	*strmPtr;
{
    unsigned long i, j, k;
    CARD32 *pj;
    pexCoord2D *pc;

    SWAP_CARD16 (strmPtr->shape);
    SWAP_CARD32 (strmPtr->numLists);
    pj = (CARD32 *)(strmPtr+1);

    for (i=0; i<strmPtr->numLists; i++, pj = (CARD32 *)pc ) {

	SWAP_CARD32 ((*pj));
	k = *pj++;
	for (j=0, pc = (pexCoord2D *)pj; j<k; j++, pc++) {
	    SWAP_COORD2D ((*pc));
	}
    }

}


ErrorCode
SWAP_FUNC_PREFIX(PEXExtFillAreaSet) (swapPtr, strmPtr)
pexSwap	*swapPtr;
pexExtFillAreaSet	*strmPtr;
{
    unsigned long i, j, k;
    CARD32 *pj;
    pexVertex *pv;
    unsigned char *ptr = 0;

    SWAP_CARD16 (strmPtr->shape);
    SWAP_COLOUR_TYPE (strmPtr->colourType);
    SWAP_CARD16 (strmPtr->facetAttribs);
    SWAP_CARD16 (strmPtr->vertexAttribs);
    SWAP_CARD32 (strmPtr->numLists);

    ptr = SwapOptData (swapPtr, (CARD8 *) (strmPtr+1),
		       strmPtr->facetAttribs, strmPtr->colourType);
	    

    for (i=0, pj = (CARD32 *)ptr; i<strmPtr->numLists; i++, pj = (CARD32 *)pv) {
	SWAP_CARD32 ((*pj));
	k = *pj++;
	for (j=0, pv = (pexVertex *)pj; j<k; j++) {
	    pv = (pexVertex *) SwapVertex(  swapPtr, pv, strmPtr->vertexAttribs,
					    strmPtr->colourType);
	}

    }

}

ErrorCode
SWAP_FUNC_PREFIX(PEXTriangleStrip) (swapPtr, strmPtr)
pexSwap	*swapPtr;
pexTriangleStrip	*strmPtr;
{
    CARD32 i;
    unsigned char *ptr = (unsigned char *)(strmPtr+1);

    SWAP_COLOUR_TYPE (strmPtr->colourType);
    SWAP_CARD16 (strmPtr->facetAttribs);
    SWAP_CARD16 (strmPtr->vertexAttribs);
    SWAP_CARD32 (strmPtr->numVertices);

    for (i=0; i<(strmPtr->numVertices-2); i++)
	ptr = SwapOptData(  swapPtr, ptr, strmPtr->facetAttribs,
			    strmPtr->colourType);

    for (i=0; i<strmPtr->numVertices; i++)
	ptr = SwapVertex(   swapPtr, (pexVertex *)ptr, strmPtr->vertexAttribs,
			    strmPtr->colourType);

}

ErrorCode
SWAP_FUNC_PREFIX(PEXQuadrilateralMesh) (swapPtr, strmPtr)
pexSwap	*swapPtr;
pexQuadrilateralMesh	*strmPtr;
{
    int i;
    unsigned char *ptr = (unsigned char *)(strmPtr+1);

    SWAP_COLOUR_TYPE (strmPtr->colourType);
    SWAP_CARD16 (strmPtr->mPts);
    SWAP_CARD16 (strmPtr->nPts);
    SWAP_CARD16 (strmPtr->facetAttribs);
    SWAP_CARD16 (strmPtr->vertexAttribs);

    for (i=0; i<((strmPtr->mPts -1) * (strmPtr->nPts -1)); i++)
	ptr = SwapOptData(  swapPtr, ptr, strmPtr->facetAttribs,
			    strmPtr->colourType);

    for (i=0; i<(strmPtr->mPts * strmPtr->nPts); i++)
	ptr = SwapVertex(   swapPtr, (pexVertex *)ptr, strmPtr->vertexAttribs,
			    strmPtr->colourType);

}


ErrorCode
SWAP_FUNC_PREFIX(PEXSOFAS) (swapPtr, strmPtr)
pexSwap	*swapPtr;
pexSOFAS	*strmPtr;
{
    CARD16 i, j, k;
    unsigned char *ptr = (unsigned char *)(strmPtr+1);
    CARD16 numListsofLists, numLists, numitems;

    SWAP_CARD16 (strmPtr->shape);
    SWAP_COLOUR_TYPE (strmPtr->colourType);
    SWAP_CARD16 (strmPtr->FAS_Attributes);
    SWAP_CARD16 (strmPtr->vertexAttributes);
    SWAP_CARD16 (strmPtr->edgeAttributes);
    SWAP_CARD16 (strmPtr->numFAS);
    SWAP_CARD16 (strmPtr->numVertices);
    SWAP_CARD16 (strmPtr->numEdges);
    SWAP_CARD16 (strmPtr->numContours);

    for (i=0; i<strmPtr->numFAS; i++)
	ptr = SwapOptData(  swapPtr, ptr, strmPtr->FAS_Attributes,
			    strmPtr->colourType);

    for (i=0; i<strmPtr->numVertices; i++)
	ptr = SwapVertex(   swapPtr, (pexVertex *)ptr, 
			    strmPtr->vertexAttributes, strmPtr->colourType);

    ptr += ((int)(((strmPtr->numEdges * strmPtr->edgeAttributes) + 3) / 4)) * 4;


    numListsofLists = strmPtr->numFAS;
    for (i=0; i < numListsofLists; i++){
	SWAP_CARD16 ((*((CARD16 *)ptr)));
	numLists = *(CARD16 *)ptr;
	ptr += sizeof(CARD16);
	for (j=0; j < numLists; j++) {
	    SWAP_CARD16 ((*((CARD16 *)ptr)));
	    numitems = *(CARD16 *)ptr;
	    ptr += sizeof(CARD16);
	    for (k=0; k < numitems; k++) {
		SWAP_CARD16 ((*((CARD16 *)ptr)));
		ptr += sizeof(CARD16);
	    }
	}
    }
}

ErrorCode
SWAP_FUNC_PREFIX(PEXNurbSurface) (swapPtr, strmPtr)
pexSwap	*swapPtr;
pexNurbSurface	*strmPtr;
{
    CARD32 i, j, k;
    PEXFLOAT *pf;
    unsigned char *ptr;
    CARD32 numPoints, numKnots;
    CARD32 numSublists;
    CARD16 curveType;
    pexTrimCurve *pTC = 0;

    SWAP_COORD_TYPE (strmPtr->type);
    SWAP_CARD16 (strmPtr->uOrder);
    SWAP_CARD16 (strmPtr->vOrder);
    SWAP_CARD32 (strmPtr->numUknots);
    SWAP_CARD32 (strmPtr->numVknots);
    SWAP_CARD16 (strmPtr->mPts);
    SWAP_CARD16 (strmPtr->nPts);
    SWAP_CARD32 (strmPtr->numLists);

    for (i=0, pf=(PEXFLOAT *)(strmPtr+1); i<strmPtr->numUknots; i++, pf++)
	SWAP_FLOAT((*pf));

    for (i=0; i<strmPtr->numVknots; i++, pf++)
	SWAP_FLOAT((*pf));

    ptr = (unsigned char *)pf;
    if (strmPtr->type == PEXRational) 
	ptr = SwapCoord4DList(	swapPtr, (pexCoord4D *)ptr,
				(CARD32)(strmPtr->mPts*strmPtr->nPts));
    else 
	ptr = SwapCoord3DList(	swapPtr, (pexCoord3D *)ptr,
				(CARD32)(strmPtr->mPts*strmPtr->nPts));

    for (i=0; i<strmPtr->numLists; i++) {
	SWAP_CARD32((*((CARD32 *)ptr)));
	numSublists = *((CARD32 *)ptr);			/* num trim curves */
	ptr+=4;
	for (j=0; j<numSublists; j++) {
	    pTC = (pexTrimCurve *)ptr;
	    SWAP_CARD16(pTC->type);
	    SWAP_CARD32(pTC->numKnots);
	    SWAP_CARD32(pTC->numCoord);
	    ptr = SwapTrimCurve(swapPtr, pTC); 
	}
    }
}


ErrorCode
SWAP_FUNC_PREFIX(PEXCellArray) (swapPtr, strmPtr)
pexSwap	*swapPtr;
pexCellArray	*strmPtr;
{
    int i;
    CARD16 *pc;

    SWAP_COORD3D (strmPtr->point1);
    SWAP_COORD3D (strmPtr->point2);
    SWAP_COORD3D (strmPtr->point3);
    SWAP_CARD32 (strmPtr->dx);
    SWAP_CARD32 (strmPtr->dy);

    for (i=0, pc=(CARD16 *)(strmPtr+1); i<(strmPtr->dx * strmPtr->dy); i++, pc++)
	SWAP_CARD16((*((CARD16 *)pc)));

}


ErrorCode
SWAP_FUNC_PREFIX(PEXCellArray2D) (swapPtr, strmPtr)
pexSwap	*swapPtr;
pexCellArray2D	*strmPtr;
{
    int i;
    CARD16 *pc;

    SWAP_COORD2D (strmPtr->point1);
    SWAP_COORD2D (strmPtr->point2);
    SWAP_CARD32 (strmPtr->dx);
    SWAP_CARD32 (strmPtr->dy);

    for (i=0, pc=(CARD16 *)(strmPtr+1); i<(strmPtr->dx * strmPtr->dy); i++, pc++)
	SWAP_CARD16((*pc));

}

ErrorCode
SWAP_FUNC_PREFIX(PEXExtCellArray) (swapPtr, strmPtr)
pexSwap	*swapPtr;
pexExtCellArray	*strmPtr;
{
    CARD32 i;
    unsigned char *ptr;

    SWAP_COLOUR_TYPE (strmPtr->colourType);
    SWAP_COORD3D (strmPtr->point1);
    SWAP_COORD3D (strmPtr->point2);
    SWAP_COORD3D (strmPtr->point3);
    SWAP_CARD32 (strmPtr->dx);
    SWAP_CARD32 (strmPtr->dy);

    for (   i=0, ptr = (unsigned char *)(strmPtr+1);
	    i < strmPtr->dx * strmPtr->dy;
	    i++) {
	ptr = SwapColour(swapPtr, (pexColour *)ptr, strmPtr->colourType);
    }

}

ErrorCode
SWAP_FUNC_PREFIX(PEXGdp) (swapPtr, strmPtr)
pexSwap	*swapPtr;
pexGdp	*strmPtr;
{
    pexCoord3D *pc = (pexCoord3D *)(strmPtr+1);

    SWAP_CARD32 (strmPtr->gdpId);
    SWAP_CARD32 (strmPtr->numPoints);
    SWAP_CARD32 (strmPtr->numBytes);

    SwapCoord3DList(swapPtr, pc, strmPtr->numPoints);

}

ErrorCode
SWAP_FUNC_PREFIX(PEXGdp2D) (swapPtr, strmPtr)
pexSwap	*swapPtr;
pexGdp2D	*strmPtr;
{
    pexCoord2D *pc = (pexCoord2D *)(strmPtr+1);

    SWAP_CARD32 (strmPtr->gdpId);
    SWAP_CARD32 (strmPtr->numPoints);
    SWAP_CARD32 (strmPtr->numBytes);

    SwapCoord2DList(swapPtr, pc, strmPtr->numPoints);

}

ErrorCode
SWAP_FUNC_PEX_PFX(Text) (swapPtr, strmPtr)
pexSwap	*swapPtr;
pexText	*strmPtr;
{
    SWAP_COORD3D (strmPtr->origin);
    SWAP_VECTOR3D (strmPtr->vector1);
    SWAP_VECTOR3D (strmPtr->vector2);
    SWAP_CARD16 (strmPtr->numEncodings);
    SWAP_FUNC_PREFIX(SwapMonoEncoding) (swapPtr, (pexMonoEncoding *)(strmPtr+1),
					(CARD32)(strmPtr->numEncodings));
}

ErrorCode
SWAP_FUNC_PEX_PFX(Text2D) (swapPtr, strmPtr)
pexSwap	*swapPtr;
pexText2D	*strmPtr;
{
    SWAP_COORD2D (strmPtr->origin);
    SWAP_CARD16 (strmPtr->numEncodings);
    SWAP_FUNC_PREFIX(SwapMonoEncoding) (swapPtr, (pexMonoEncoding *)(strmPtr+1),
					(CARD32)(strmPtr->numEncodings));

}

ErrorCode
SWAP_FUNC_PEX_PFX(AnnotationText) (swapPtr, strmPtr)
pexSwap	*swapPtr;
pexAnnotationText	*strmPtr;
{
    SWAP_COORD3D (strmPtr->origin);
    SWAP_COORD3D (strmPtr->offset);
    SWAP_CARD16 (strmPtr->numEncodings);
    SWAP_FUNC_PREFIX(SwapMonoEncoding) (swapPtr, (pexMonoEncoding *)(strmPtr+1),
					(CARD32)(strmPtr->numEncodings));

}

ErrorCode
SWAP_FUNC_PEX_PFX(AnnotationText2D) (swapPtr, strmPtr)
pexSwap	*swapPtr;
pexAnnotationText2D	*strmPtr;
{
    SWAP_COORD2D (strmPtr->origin);
    SWAP_COORD2D (strmPtr->offset);
    SWAP_CARD16 (strmPtr->numEncodings);
    SWAP_FUNC_PREFIX(SwapMonoEncoding) (swapPtr, (pexMonoEncoding *)(strmPtr+1),
					(CARD32)(strmPtr->numEncodings));

}

ErrorCode
SWAP_FUNC_PEX_PFX(ParaSurfCharacteristics) (swapPtr, strmPtr)
pexSwap			    *swapPtr;
pexParaSurfCharacteristics *strmPtr;
{
    SWAP_CARD16 (strmPtr->length);
    SWAP_INT16 (strmPtr->characteristics);

    switch (strmPtr->characteristics) {
	case PEXPSCNone:
	case PEXPSCImpDep:
	    break;

	case PEXPSCIsoCurves: {
	    pexPSC_IsoparametricCurves *ptr =
			    (pexPSC_IsoparametricCurves *)(strmPtr+1);
	    SWAP_CARD16(ptr->placementType);
	    SWAP_CARD16(ptr->numUcurves);
	    SWAP_CARD16(ptr->numVcurves);
	    break;
	}

	case PEXPSCMcLevelCurves:
	case PEXPSCWcLevelCurves: {
	    pexPSC_LevelCurves *ptr = (pexPSC_LevelCurves *)(strmPtr+1);
	    PEXFLOAT *pc = (PEXFLOAT *)(ptr+1);
	    CARD16 i;
	    SWAP_COORD3D (ptr->origin);
	    SWAP_VECTOR3D (ptr->direction);
	    SWAP_CARD16 (ptr->numberIntersections);
	    for (i=0; i<ptr->numberIntersections; i++, pc++) {
		SWAP_FLOAT(*pc);
	    }
	    break;
	}
    }

}

ErrorCode
SWAP_FUNC_PREFIX(PEXNoop) (swapPtr, strmPtr)
pexSwap	*swapPtr;
pexNoop	*strmPtr;
{
}