/* $XConsortium: modify.c,v 1.12 94/04/17 20:39:26 rws Exp $ */

/**** module modify.c ****/
/******************************************************************************

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				NOTICE
                              
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*****************************************************************************
  
	modify.c -- modify flo element tests 

	Syd Logan -- AGE Logic, Inc.
  
*****************************************************************************/
#include "xieperf.h"
#include <stdio.h>

static int BuildModifyPointFlograph();
static int BuildModifySimpleFlograph();
static int BuildModifyROIFlograph();
static int BuildModifyLong1Flograph();
static int BuildModifyLong2Flograph();

static XiePhotomap XIEPhotomap;
static XieRoi XIERoi1, XIERoi2;
static XieLut XIELut1, XIELut2;
static XiePhotoElement *flograph;
static XiePhotoflo flo;
static int flo_elements;

static XieLut XIELut;
static int monoflag = 0;
static XieRectangle *rects;
static unsigned char *lut; 

int InitModifyROI(xp, p, reps)
    XParms  xp;
    Parms   p;
    int     reps;
{
	XIEimage *image;	
        int rectsSize, i;

	monoflag = 0;
	XIELut = ( XieLut ) NULL;
	rects = (XieRectangle *) NULL;
	XIERoi1 = ( XieRoi ) NULL;
	XIERoi2 = ( XieRoi ) NULL;
	XIEPhotomap = ( XiePhotomap ) NULL;
        flograph = ( XiePhotoElement * ) NULL;
        flo = ( XiePhotoflo ) NULL;

	image = p->finfo.image1;
	if ( !image )
		reps = 0;
	else if ( xp->screenDepth != image->depth[ 0 ] )
        {
		monoflag = 1;
	        if ( ( XIELut = CreatePointLut( xp, p, 1 << image->depth[ 0 ],
			1 << xp->screenDepth, False ) ) == ( XieLut ) NULL )
		{
			reps = 0;
		}
        }
	if ( reps )
	{
		rectsSize = 4;
		rects = (XieRectangle *)
			malloc( rectsSize * sizeof( XieRectangle ) );
		if ( rects == ( XieRectangle * ) NULL )
		{
			reps = 0;
		}
		else
		{
			for ( i = 0; i < rectsSize; i++ )
			{
				rects[ i ].x = i * 100;
				rects[ i ].y = i * 100;
				rects[ i ].width = 50;
				rects[ i ].height = 50;
			}
			if ( ( XIERoi1 = GetXIERoi( xp, p, rects, rectsSize ) ) 
				== ( XieRoi ) NULL )
			{
				reps = 0;
			}
			else
			{
				for ( i = 0; i < rectsSize; i++ )
				{
					rects[ i ].x = i * 100 + 50;
					rects[ i ].y = i * 100 + 50;
					rects[ i ].width = 50;
					rects[ i ].height = 50;
				}
				if ( ( XIERoi2 = GetXIERoi( xp, p, rects, 
					rectsSize ) ) == ( XieRoi ) NULL )
				{
					reps = 0;
				}
			}
		}
	}
	if ( reps )
	{
		if ( ( XIEPhotomap = GetXIEPhotomap( xp, p, 1 ) ) == 
			( XiePhotomap ) NULL )
		{
			reps = 0;
		}
		else if ( !BuildModifyROIFlograph( xp, p, &flograph ) )
		{
			reps = 0;
		}
	}
	if ( !reps )
		FreeModifyROIStuff( xp, p );	
        return( reps );
}

static int
BuildModifyROIFlograph( xp, p, flograph )
XParms	xp;
Parms	p;
XiePhotoElement **flograph;
{
	XieProcessDomain domain;

        if ( monoflag )
                flo_elements = 6;
        else
                flo_elements = 4;
	*flograph = XieAllocatePhotofloGraph(flo_elements);	
	if ( *flograph == ( XiePhotoElement * ) NULL )
	{
		fprintf( stderr, "XieAllocatePhotofloGraph failed\n" );
		return( 0 );
	}

	XieFloImportPhotomap(&(*flograph)[0], XIEPhotomap, False);

	XieFloImportROI(&(*flograph)[1], XIERoi1); /* as good a ROI as any */

	domain.offset_x = 0;
	domain.offset_y = 0;
	domain.phototag = 2;

	XieFloLogical(&(*flograph)[2], 
		1,
		0,
		&domain,
		((ModifyParms * )p->ts)->constant,
		((ModifyParms * )p->ts)->op,
		((ModifyParms * )p->ts)->bandMask );

        if ( monoflag )
        {
                XieFloImportLUT(&(*flograph)[3], XIELut );

		domain.phototag = 0;
                XieFloPoint(&(*flograph)[4],
                        3,
                        &domain,
                        4,
                        0x1
                );
	}

	XieFloExportDrawable(&(*flograph)[flo_elements - 1],
		flo_elements - 1,       /* source phototag number */
		xp->w,
		xp->fggc,
		0,       /* x offset in window */
		0        /* y offset in window */
	);

	flo = XieCreatePhotoflo( xp->d, *flograph, flo_elements );
	return( 1 );
}

void DoModifyROI(xp, p, reps)
    XParms  xp;
    Parms   p;
    int     reps;
{
    	int     i;
	int	flo_notify;
	int	toggle;

	flo_notify = False;	
	toggle = 0;

	for ( i = 0; i != reps; i++ )
	{
                XieExecutePhotoflo( xp->d, flo, flo_notify );
		XSync( xp->d, 0 );
		if ( !toggle )
		{
			toggle = 1;
			XieFloImportROI(&flograph[1], XIERoi2);
		}
		else
		{
			toggle = 0;
			XieFloImportROI(&flograph[1], XIERoi1);
		}
		XieModifyPhotoflo( xp->d, flo, 2, &flograph[1], 1 );
		XSync( xp->d, 0 );
    	}
}

int EndModifyROI(xp, p)
    XParms  xp;
    Parms   p;
{
	FreeModifyROIStuff( xp, p );
}

int
FreeModifyROIStuff( xp, p )
XParms	xp;
Parms	p;
{
	if ( XIELut )
	{
		XieDestroyLUT( xp->d, XIELut );
		XIELut = ( XieLut ) NULL;
	}
	if ( rects )
	{
		free( rects );
		rects = (XieRectangle *) NULL;
	}
	if ( XIERoi1 )
	{
		XieDestroyROI( xp->d, XIERoi1 );
		XIERoi1 = ( XieRoi ) NULL;
	}
	if ( XIERoi2 )
	{
		XieDestroyROI( xp->d, XIERoi2 );
		XIERoi2 = ( XieRoi ) NULL;
	}
	if ( XIEPhotomap && IsPhotomapInCache( XIEPhotomap ) == False )
	{
		XieDestroyPhotomap( xp->d, XIEPhotomap );
		XIEPhotomap = ( XiePhotomap ) NULL;
	}
        if ( flograph )
        {
                XieFreePhotofloGraph(flograph,flo_elements);
                flograph = ( XiePhotoElement * ) NULL;
        }
        if ( flo )
        {
                XieDestroyPhotoflo( xp->d, flo );
                flo = ( XiePhotoflo ) NULL;
        }
}

int InitModifyPoint(xp, p, reps)
    XParms  xp;
    Parms   p;
    int     reps;
{
        int     lutSize, i;
	XIEimage *image;

	lut = ( unsigned char * ) lut;
	XIELut1 = ( XieLut ) NULL;
	XIELut2 = ( XieLut ) NULL;
	XIELut = ( XieLut ) NULL;
	XIEPhotomap = ( XiePhotomap ) NULL;
	image = p->finfo.image1;
	if ( !image )
		return( 0 );

        lutSize = xp->vinfo.colormap_size;
        lut = (unsigned char *)malloc( lutSize * sizeof( unsigned char ) );
        if ( lut == ( unsigned char * ) NULL )
		reps = 0;
	else
	{
		for ( i = 0; i < lutSize; i++ )
			if ( i % 2 )
				lut[ i ] = 1;
			else
				lut[ i ] = 0;
		if ( ( XIELut1 = GetXIELut( xp, p, lut, lutSize, 2 ) ) == 
			( XieLut ) NULL )
		{
			reps = 0;
		}
		else
		{
			for ( i = 0; i < lutSize; i++ )
				if ( i % 2 )
					lut[ i ] = 0;
				else
					lut[ i ] = 1;
			if ( ( XIELut2 = GetXIELut( xp, p, lut, lutSize, 2 ) ) 
				== ( XieLut ) NULL )
			{
				reps = 0;
			}
		}
	}

	if ( reps )
	{
		if ( image->depth[ 0 ] == xp->screenDepth )
		{
			XIEPhotomap = GetXIEPhotomap( xp, p, 1 );	
		} 
		else if ( !IsDISServer() )
		{
			XIEPhotomap = GetXIEDitheredPhotomap( xp, p, 1, 2 );
		}	
		else 
		{
			XIEPhotomap = GetXIEPointPhotomap( xp, p, 1,
				xp->screenDepth, False );
		}
		if ( XIEPhotomap == ( XiePhotomap ) NULL )
		{
			reps = 0;
		}
	}

	if ( reps )
	{
		if ( !BuildModifyPointFlograph( xp, p, &flograph ) )
		{
			reps = 0;
		}
	}

	if ( !reps )
	{
		FreeModifyPointStuff( xp, p );
	}	
        return( reps );
}

static int
BuildModifyPointFlograph( xp, p, flograph )
XParms	xp;
Parms	p;
XiePhotoElement **flograph;
{
	XieProcessDomain domain;
        int     band_mask = 1;

        flo_elements = 4;
	*flograph = XieAllocatePhotofloGraph(flo_elements);	
	if ( *flograph == ( XiePhotoElement * ) NULL )
	{
		fprintf( stderr, "XieAllocatePhotofloGraph failed\n" );
		return( 0 );
	}

	XieFloImportPhotomap(&(*flograph)[0], XIEPhotomap, False);

	XieFloImportLUT(&(*flograph)[1], XIELut1); /* as good a LUT as any */

	domain.offset_x = 0;
	domain.offset_y = 0;
	domain.phototag = 0;

	XieFloPoint(&(*flograph)[2], 1, &domain, 2, band_mask ); 

	XieFloExportDrawablePlane(&(*flograph)[3],
		3,       /* source phototag number */
		xp->w,
		xp->fggc,
		0,       /* x offset in window */
		0        /* y offset in window */
	);

	flo = XieCreatePhotoflo( xp->d, *flograph, flo_elements );
	return( 1 );
}

void DoModifyPoint(xp, p, reps)
    XParms  xp;
    Parms   p;
    int     reps;
{
    	int     i;
	int	flo_notify;
	int	toggle;

	flo_notify = False;	
	toggle = 0;

	for ( i = 0; i != reps; i++ )
	{
                XieExecutePhotoflo( xp->d, flo, flo_notify );
		XSync( xp->d, 0 );
		if ( !toggle )
		{
			toggle = 1;
			XieFloImportLUT(&flograph[1], XIELut2);
		}
		else
		{
			toggle = 0;
			XieFloImportLUT(&flograph[1], XIELut1);
		}
		XieModifyPhotoflo( xp->d, flo, 2, &flograph[1], 1 );
		XSync( xp->d, 0 );
    	}
}

int EndModifyPoint(xp, p)
    XParms  xp;
    Parms   p;
{
	FreeModifyPointStuff( xp, p );
}

int
FreeModifyPointStuff( xp, p )
XParms	xp;
Parms	p;
{
	if ( lut )
	{
		free( lut );
		lut = ( unsigned char * ) NULL;
	}
	if ( XIEPhotomap && IsPhotomapInCache( XIEPhotomap ) == False )
	{
		XieDestroyPhotomap( xp->d, XIEPhotomap );
		XIEPhotomap = ( XiePhotomap ) NULL;
	}
	if ( XIELut1 )
	{
		XieDestroyLUT( xp->d, XIELut1 );
		XIELut1 = ( XieLut ) NULL;
	}
	if ( XIELut1 )
	{
		XieDestroyLUT( xp->d, XIELut2 );
		XIELut2 = ( XieLut ) NULL;
	}
	if ( XIELut )
	{
		XieDestroyLUT( xp->d, XIELut );
		XIELut = ( XieLut ) NULL;
	}
        if ( flograph )
        {
                XieFreePhotofloGraph(flograph,flo_elements);
                flograph = ( XiePhotoElement * ) NULL;
        }
        if ( flo )
        {
                XieDestroyPhotoflo( xp->d, flo );
                flo = ( XiePhotoflo ) NULL;
        }
}

int InitModifySimple(xp, p, reps)
    XParms  xp;
    Parms   p;
    int     reps;
{
	XIEimage *image;

	monoflag = 0;
	XIEPhotomap = ( XiePhotomap ) NULL;
       	flograph = ( XiePhotoElement * ) NULL;
        flo = ( XiePhotoflo ) NULL;
	XIELut = ( XieLut ) NULL;

	image = p->finfo.image1;
        if ( !image )
		reps = 0;
        else if ( xp->screenDepth != image->depth[ 0 ] )
        {
		monoflag = 1;
        	if ( ( XIELut = CreatePointLut( xp, p, 1 << image->depth[ 0 ],
			1 << xp->screenDepth, False ) ) == ( XieLut ) NULL )
		{
			reps = 0;
		}
        }

	if ( reps )
	{
		if ( ( XIEPhotomap = GetXIEPhotomap( xp, p, 1 ) ) 
			== ( XiePhotomap ) NULL )
		{
			reps = 0;
		}
		else if ( !BuildModifySimpleFlograph( xp, p, &flograph ) )
		{
			reps = 0;
		}
	}
	if ( !reps )
		FreeModifySimpleStuff( xp, p );
        return( reps );
}

static int
BuildModifySimpleFlograph( xp, p, flograph )
XParms	xp;
Parms	p;
XiePhotoElement **flograph;
{
	XieProcessDomain domain;

	if ( monoflag )
		flo_elements = 4;
	else
        	flo_elements = 2;
	*flograph = XieAllocatePhotofloGraph(flo_elements);	
	if ( *flograph == ( XiePhotoElement * ) NULL )
	{
		fprintf( stderr, "XieAllocatePhotofloGraph failed\n" );
		return( 0 );
	}

	XieFloImportPhotomap(&(*flograph)[0], XIEPhotomap, False);

        if ( monoflag )
        {
	        XieFloImportLUT(&(*flograph)[1], XIELut );

		domain.offset_x = 0;
		domain.offset_y = 0;
		domain.phototag = 0;

		XieFloPoint(&(*flograph)[2],
			1,
			&domain,
			2,
			0x1
		);
        }

	XieFloExportDrawable(&(*flograph)[flo_elements - 1],
		flo_elements - 1,       /* source phototag number */
		xp->w,
		xp->fggc,
		0,       /* x offset in window */
		0        /* y offset in window */
	);

	flo = XieCreatePhotoflo( xp->d, *flograph, flo_elements );
	return( 1 );
}

void DoModifySimple(xp, p, reps)
    XParms  xp;
    Parms   p;
    int     reps;
{
    	int     i;
	int	flo_notify;
	int	toggle;

	flo_notify = False;	
	toggle = 0;

	for ( i = 0; i != reps; i++ )
	{
                XieExecutePhotoflo( xp->d, flo, flo_notify );
		XSync( xp->d, 0 );
		if ( !toggle )
		{
			toggle = 1;
			XieFloExportDrawable(&flograph[ flo_elements - 1],
				flo_elements - 1,  /* source phototag number */
				xp->w,
				xp->fggc,
				0,       /* x offset in window */
				0        /* y offset in window */
			);
		}
		else
		{
			toggle = 0;
			XieFloExportDrawable(&flograph[ flo_elements - 1],
				flo_elements - 1,  /* source phototag number */
				xp->w,
				xp->fggc,
				100,       /* x offset in window */
				100        /* y offset in window */
			);
		}
		XClearWindow( xp->d, xp->w );
		XieModifyPhotoflo( xp->d, flo, flo_elements, 
			&flograph[flo_elements - 1], 1 );
		XSync( xp->d, 0 );
    	}
}

int EndModifySimple(xp, p)
    XParms  xp;
    Parms   p;
{
	FreeModifySimpleStuff( xp, p );
}

int
FreeModifySimpleStuff( xp, p )
XParms	xp;
Parms	p;
{
        if ( XIEPhotomap && IsPhotomapInCache( XIEPhotomap ) == False )
        {
                XieDestroyPhotomap( xp->d, XIEPhotomap );
                XIEPhotomap = ( XiePhotomap ) NULL;
        }
        if ( XIELut ) 
        {
                XieDestroyLUT( xp->d, XIELut );
                XIELut = ( XieLut ) NULL;
        }
        if ( flograph )
        {
                XieFreePhotofloGraph(flograph,flo_elements);
                flograph = ( XiePhotoElement * ) NULL;
        }
        if ( flo )
        {
                XieDestroyPhotoflo( xp->d, flo );
                flo = ( XiePhotoflo ) NULL;
        }
}

int InitModifyLong1(xp, p, reps)
    XParms  xp;
    Parms   p;
    int     reps;
{
	XIEimage *image;
	GeometryParms gp;

	monoflag = 0;
	XIEPhotomap = ( XiePhotomap ) NULL;
       	flograph = ( XiePhotoElement * ) NULL;
        flo = ( XiePhotoflo ) NULL;
	XIELut = ( XieLut ) NULL;
	
	image = p->finfo.image1;
        if ( !image )
		reps = 0;
        else if ( xp->screenDepth != image->depth[ 0 ] )
        {
		monoflag = 1;
        	if ( ( XIELut = CreatePointLut( xp, p, 1 << image->depth[ 0 ],
			1 << xp->screenDepth, False ) ) == ( XieLut ) NULL )
		{
			reps = 0;
		}
        }

	if ( reps )
	{
		gp.geoType = GEO_TYPE_SCALE;
		gp.geoHeight = 64;
		gp.geoWidth = 128;
		gp.geoXOffset = 0;
		gp.geoYOffset = 0;
		gp.geoTech = xieValGeomNearestNeighbor;

		if ( ( XIEPhotomap = GetXIEGeometryPhotomap( xp, p, &gp, 1 ) ) 
			== ( XiePhotomap ) NULL )
		{
			reps = 0;
		}
		else if ( !BuildModifyLong1Flograph( xp, p, &flograph ) )
		{
			reps = 0;
		}
	}
	if ( !reps )
		FreeModifyLongStuff( xp, p );
        return( reps );
}

static int
BuildModifyLong1Flograph( xp, p, flograph )
XParms	xp;
Parms	p;
XiePhotoElement **flograph;
{
	int	i, idx;
        XieProcessDomain domain;
	XieConstant constant;
	int	band_mask;

	idx = 0;
	band_mask = 7;
	flo_elements = 10;
	if ( monoflag )
		flo_elements+=2;
	*flograph = XieAllocatePhotofloGraph(flo_elements);	
	if ( *flograph == ( XiePhotoElement * ) NULL )
	{
		fprintf( stderr, "XieAllocatePhotofloGraph failed\n" );
		return( 0 );
	}

	XieFloImportPhotomap(&(*flograph)[idx], XIEPhotomap, False);
	idx++;

	/* now, a bunch of silly monadic arithmetic elements */

     	domain.offset_x = 0;
	domain.offset_y = 0;
	domain.phototag = 0;

	/* just add 1 */

	constant[ 0 ] = 1.0; 
	constant[ 1 ] = 0.0; 
	constant[ 2 ] = 0.0; 

	for ( i = 0; i < flo_elements - 2 - ( monoflag ? 2 : 0 ); i++ )
	{
		XieFloArithmetic(&(*flograph)[idx],
			idx,
			0,
			&domain,
			constant,
			xieValAdd,
			band_mask
		);
		idx++;
	}

	if ( monoflag )
	{
	        XieFloImportLUT(&(*flograph)[idx], XIELut );
		idx++;

		XieFloPoint(&(*flograph)[idx],
			idx - 1,
			&domain,
			idx,
			0x1
		);
		idx++;
	}
	XieFloExportDrawable(&(*flograph)[idx],
		idx,     /* source phototag number */
		xp->w,
		xp->fggc,
		0,       /* x offset in window */
		0        /* y offset in window */
	);

	flo = XieCreatePhotoflo( xp->d, *flograph, flo_elements );
	return( 1 );
}

#ifdef WIN32
#define RAND( x, y ) ( ( rand() / ((RAND_MAX + 1) / 2.0) ) * ( y - x ) + x )
#else
#if defined(SYSV) || defined(SVR4) || defined(__osf__)
#define random lrand48
#endif
#ifndef sgi
extern long random();
#endif
#define RAND( x, y ) ( ( random() / 2147483648.0 ) * ( y - x ) + x )
#endif

void DoModifyLong1(xp, p, reps)
    XParms  xp;
    Parms   p;
    int     reps;
{
    	int     x, y, i, flo_notify;

	flo_notify = False;	
	for ( i = 0; i != reps; i++ )
	{
                XieExecutePhotoflo( xp->d, flo, flo_notify );
		XSync( xp->d, 0 );
		x = RAND( -64, WIDTH - 64 );
		y = RAND( -32, HEIGHT - 32 );
		XieFloExportDrawable(&flograph[flo_elements - 1],
			flo_elements - 1, /* source phototag number */
			xp->w,
			xp->fggc,
			x,      /* x offset in window */
			y       /* y offset in window */
		);
		XieModifyPhotoflo( xp->d, flo, flo_elements, 
			&flograph[flo_elements - 1], 1 );
		XSync( xp->d, 0 );
    	}
}

int EndModifyLong(xp, p)
    XParms  xp;
    Parms   p;
{
	FreeModifyLongStuff( xp, p );
}

int
FreeModifyLongStuff( xp, p )
XParms	xp;
Parms	p;
{
        if ( XIEPhotomap && IsPhotomapInCache( XIEPhotomap ) == False )
        {
                XieDestroyPhotomap( xp->d, XIEPhotomap );
                XIEPhotomap = ( XiePhotomap ) NULL;
        }
        if ( XIELut ) 
        {
                XieDestroyLUT( xp->d, XIELut );
                XIELut = ( XieLut ) NULL;
        }
        if ( flograph )
        {
                XieFreePhotofloGraph(flograph,flo_elements);
                flograph = ( XiePhotoElement * ) NULL;
        }
        if ( flo )
        {
                XieDestroyPhotoflo( xp->d, flo );
                flo = ( XiePhotoflo ) NULL;
        }
}

int InitModifyLong2(xp, p, reps)
    XParms  xp;
    Parms   p;
    int     reps;
{
	XIEimage *image;

	monoflag = 0;
	XIEPhotomap = ( XiePhotomap ) NULL;
       	flograph = ( XiePhotoElement * ) NULL;
        flo = ( XiePhotoflo ) NULL;
	XIELut = ( XieLut ) NULL;
	
	image = p->finfo.image1;
        if ( !image )
		reps = 0;
        else if ( xp->screenDepth != image->depth[ 0 ] )
        {
		monoflag = 1;
        	if ( ( XIELut = CreatePointLut( xp, p, 1 << image->depth[ 0 ],
			1 << xp->screenDepth, False ) ) == ( XieLut ) NULL )
		{
			reps = 0;
		}
        }

	if ( reps )
	{
		if ( ( XIEPhotomap = GetXIEPhotomap( xp, p, 1 ) ) 
			== ( XiePhotomap ) NULL )
		{
			reps = 0;
		}
		else if ( !BuildModifyLong2Flograph( xp, p, &flograph ) )
		{
			reps = 0;
		}
	}
	if ( !reps )
		FreeModifyLongStuff( xp, p );
        return( reps );
}

static int
BuildModifyLong2Flograph( xp, p, flograph )
XParms	xp;
Parms	p;
XiePhotoElement **flograph;
{
	int i, idx;
        XieProcessDomain domain;
	XieConstant constant;
	float coeffs[ 6 ];
	int band_mask;
	GeometryParms gp;

	idx = 0;
	band_mask = 7;
	flo_elements = 11;
	if ( monoflag )
		flo_elements+=2;
	*flograph = XieAllocatePhotofloGraph(flo_elements);	
	if ( *flograph == ( XiePhotoElement * ) NULL )
	{
		fprintf( stderr, "XieAllocatePhotofloGraph failed\n" );
		return( 0 );
	}

	XieFloImportPhotomap(&(*flograph)[idx], XIEPhotomap, False);
	idx++;

	/* now, a bunch of silly monadic arithmetic elements */

     	domain.offset_x = 0;
	domain.offset_y = 0;
	domain.phototag = 0;

	/* just add 1 */

	constant[ 0 ] = 1.0; 
	constant[ 1 ] = 0.0; 
	constant[ 2 ] = 0.0; 

	for ( i = 0; i < flo_elements - 3 - ( monoflag ? 2 : 0 ); i++ )
	{
		XieFloArithmetic(&(*flograph)[idx],
			idx,
			0,
			&domain,
			constant,
			xieValAdd,
			band_mask
		);
		idx++;
	}

	if ( monoflag )
	{
	        XieFloImportLUT(&(*flograph)[idx], XIELut );
		idx++;

		XieFloPoint(&(*flograph)[idx],
			idx - 1,
			&domain,
			idx,
			0x1
		);
		idx++;
	}

	constant[ 0 ] = 0.0;
	constant[ 1 ] = 0.0;
	constant[ 2 ] = 0.0;

	gp.geoType = GEO_TYPE_CROP;
	gp.geoHeight = 64;
	gp.geoWidth = 128;
	gp.geoXOffset = 0;
	gp.geoYOffset = 0;
	gp.geoTech = xieValGeomNearestNeighbor;

        SetCoefficients( xp, p, 1, &gp, coeffs );
        XieFloGeometry(&(*flograph)[idx],
                idx,
                gp.geoWidth,
                gp.geoHeight,
                coeffs,
                constant,
                7,
                gp.geoTech,
                ( char * ) NULL
        );
	idx++;

	XieFloExportDrawable(&(*flograph)[idx],
		idx,     /* source phototag number */
		xp->w,
		xp->fggc,
		0,       /* x offset in window */
		0        /* y offset in window */
	);

	flo = XieCreatePhotoflo( xp->d, *flograph, flo_elements );
	return( 1 );
}

void DoModifyLong2(xp, p, reps)
    XParms  xp;
    Parms   p;
    int     reps;
{
    	int     x, y, i, flo_notify;
	GeometryParms gp;
	XieConstant constant;
	float coeffs[ 6 ];

	constant[ 0 ] = 0.0;
	constant[ 1 ] = 0.0;
	constant[ 2 ] = 0.0;

	gp.geoType = GEO_TYPE_CROP;
	gp.geoWidth = 128;
	gp.geoHeight = 64;
	gp.geoTech = xieValGeomNearestNeighbor;

	flo_notify = False;	
	for ( i = 0; i != reps; i++ )
	{
                XieExecutePhotoflo( xp->d, flo, flo_notify );
		XSync( xp->d, 0 );
		x = ( ( int ) RAND( 0, WIDTH ) >> 7 ) << 7;
		y = ( ( int ) RAND( 0, HEIGHT ) >> 6 ) << 6;

		gp.geoXOffset = x;
		gp.geoYOffset = y;

        	SetCoefficients( xp, p, 1, &gp, coeffs );
        	XieFloGeometry(&flograph[flo_elements - 2],
                	flo_elements - 2,
                	gp.geoWidth,
			gp.geoHeight,
			coeffs,
			constant,
			7,
			gp.geoTech,
			( char * ) NULL
		);

		XieFloExportDrawable(&flograph[flo_elements - 1],
			flo_elements - 1, /* source phototag number */
			xp->w,
			xp->fggc,
			x,      /* x offset in window */
			y       /* y offset in window */
		);
		XieModifyPhotoflo( xp->d, flo, flo_elements - 1, 
			&flograph[flo_elements - 2], 2 );
		XSync( xp->d, 0 );
    	}
}