/* $XConsortium: pasteup.c,v 1.9 94/04/17 20:39:27 rws Exp $ */

/**** module pasteup.c ****/
/******************************************************************************

Copyright (c) 1993, 1994  X Consortium

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Except as contained in this notice, the name of the X Consortium shall not be
used in advertising or otherwise to promote the sale, use or other dealings
in this Software without prior written authorization from the X Consortium.


				NOTICE
                              
This software is being provided by AGE Logic, Inc. under the
following license.  By obtaining, using and/or copying this software,
you agree that you have read, understood, and will comply with these
terms and conditions:

     Permission to use, copy, modify, distribute and sell this
     software and its documentation for any purpose and without
     fee or royalty and to grant others any or all rights granted
     herein is hereby granted, provided that you agree to comply
     with the following copyright notice and statements, including
     the disclaimer, and that the same appears on all copies and
     derivative works of the software and documentation you make.
     
     "Copyright 1993, 1994 by AGE Logic, Inc."
     
     THIS SOFTWARE IS PROVIDED "AS IS".  AGE LOGIC MAKES NO
     REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED.  By way of
     example, but not limitation, AGE LOGIC MAKE NO
     REPRESENTATIONS OR WARRANTIES OF MERCHANTABILITY OR FITNESS
     FOR ANY PARTICULAR PURPOSE OR THAT THE SOFTWARE DOES NOT
     INFRINGE THIRD-PARTY PROPRIETARY RIGHTS.  AGE LOGIC 
     SHALL BEAR NO LIABILITY FOR ANY USE OF THIS SOFTWARE.  IN NO
     EVENT SHALL EITHER PARTY BE LIABLE FOR ANY INDIRECT,
     INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOSS
     OF PROFITS, REVENUE, DATA OR USE, INCURRED BY EITHER PARTY OR
     ANY THIRD PARTY, WHETHER IN AN ACTION IN CONTRACT OR TORT OR
     BASED ON A WARRANTY, EVEN IF AGE LOGIC LICENSEES
     HEREUNDER HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH
     DAMAGES.
    
     The name of AGE Logic, Inc. may not be used in
     advertising or publicity pertaining to this software without
     specific, written prior permission from AGE Logic.

     Title to this software shall at all times remain with AGE
     Logic, Inc.
*****************************************************************************
  
	pasteup.c -- pasteup flo element tests 

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

#define NTILES 16	/* has an integer square root and be a power of 2 */
#define	SPLIT  4 	/* square root of NTILES */

static int BuildPasteUpFlograph();

static XieLut XIELut;
static XiePhotomap XIEPhotomap;
static XiePhotomap segments[NTILES];		
static XieTile	tiles[NTILES];
static XiePhotoElement *flograph;
static XiePhotoflo	flo;
static int	flo_elements;
static XieConstant constant = { 0.0, 0.0, 0.0 };

static int monoflag = 0;

static int pasteUpIdx;

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

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

	image = p->finfo.image1;
        if ( !image )
		reps = 0;

	if ( reps )
	{
		monoflag = 0;
		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 ( !SegmentPhotomap( xp, p, XIEPhotomap, 
			segments, NTILES, SPLIT, image->width[ 0 ], 
			image->height[ 0 ] ) )
		{
			reps = 0;
		}

		else if ( !BuildPasteUpFlograph( xp, p, 
			&flograph, segments, NTILES, SPLIT, image->width[ 0 ], 
			image->height[ 0 ] ) )
		{
			reps = 0;
		}
	}
	if ( !reps )
		FreePasteUpStuff( xp, p );
        return( reps );
}

/* cut a photoflo into "size" little pieces. Assumption is that the values
   width and height are each congruent to 0 mod size. Caller allocates segvec */

int
InitSegments()
{
	int	i;

	for ( i = 0; i < NTILES; i++ )
	{
		segments[ i ] = ( XiePhotomap ) NULL;
	}
} 

int
CloseSegments( xp, p )
XParms	xp;
Parms	p;
{
	int	i;

	for ( i = 0; i < NTILES; i++ )
	{
		if ( segments[ i ] != ( XiePhotomap ) NULL )
		{
			XieDestroyPhotomap( xp->d, segments[ i ] );
			segments[ i ] = ( XiePhotomap ) NULL;
		}
	}
}

int
SegmentPhotomap( xp, p, pm, segvec, size, split, width, height )
XParms	xp;
Parms	p;
XiePhotomap pm;		
XiePhotomap segvec[];
int	size;
int	split;
int	width;
int	height;
{
	int	xoff, yoff;
	int     flo_elements;
	XiePhotoElement *flograph;
	int	segidx; 
	XiePhotospace photospace;
        XieEncodeTechnique encode_tech=xieValEncodeServerChoice;
        char *encode_param=NULL;
	float coefficients[ 6 ];
	int	i, retval;
	XieGeometryTechnique sample_tech = xieValGeomNearestNeighbor;
	char	*sample_param = NULL;
	unsigned long flo_id;
	int	piecewide, piecehigh;

	retval = 1;
	piecehigh = height / split; 
	piecewide = width / split; 
	photospace = XieCreatePhotospace(xp->d);
	flo_elements = 3;
	flograph = XieAllocatePhotofloGraph(flo_elements);

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

	/* build the photomaps */

	if ( retval )
	{
		for ( i = 0; i < size; i++ )
		{
			if ( ( segments[ i ] = XieCreatePhotomap( xp->d ) ) ==
				( XiePhotomap ) NULL )
			{
				fprintf( stderr,"XieCreatePhotomap failed\n" );
				retval = 0;
			}
		}
	}
	if ( retval )
	{			
		segidx = 0;
		coefficients[ 0 ] = 1.0;
		coefficients[ 1 ] = 0.0;
		coefficients[ 2 ] = 0.0;
		coefficients[ 3 ] = 1.0;
		flo_id = 1;
		for ( xoff = 0; xoff < width; xoff+= piecewide )
		{
			for (yoff = 0;yoff < width;yoff += piecehigh)
			{
				XieFloImportPhotomap( &flograph[ 0 ], 
					pm,
					False );
				coefficients[ 4 ] = (float) xoff;
				coefficients[ 5 ] = (float) yoff;
				XieFloGeometry( &flograph[ 1 ],
					1,
					piecewide, 
					piecehigh,
					coefficients,
					constant,
					7,
					sample_tech,
					sample_param
				);
				XieFloExportPhotomap( &flograph[ 2 ],
					2,
					segvec[ segidx++ ],
					encode_tech,
					encode_param
				);
				XieExecuteImmediate(xp->d, photospace,
					flo_id,
					True,
					flograph,   /* photoflo specification */
					flo_elements/* number of elements */
				);
				XSync( xp->d, 0 );
				WaitForXIEEvent( xp, xieEvnNoPhotofloDone, 
					flo_id, 0, False );	
				flo_id++;
			}
		}			
		XieFreePhotofloGraph(flograph, flo_elements);
		XieDestroyPhotospace(xp->d, photospace);
	}
	return( retval );
}

static int
BuildPasteUpFlograph( xp, p, flograph, segments, size, split, width, height )
XParms	xp;
Parms	p;
XiePhotoElement **flograph;
XiePhotomap segments[];
int	size;
int	split;
int	width;
int	height;
{
	int	i, flo_elements;
	int	tile_width, tile_height;
        XieProcessDomain domain;

	tile_width = width / split;
	tile_height = height / split;

	flo_elements = size + 2;	
	if ( monoflag )
		flo_elements+=2;

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

	/* do all of the import photo elements */

	for ( i = 0; i < size; i++ )
	{
		XieFloImportPhotomap(&(*flograph)[i], segments[ i ], False);
	}

	/* build all of the tiles, with initial dst_x and dst_y */

	if ( !BuildMeSomeTiles( tiles, split, tile_width, tile_height, 1,
		( ( PasteUpParms * ) p->ts )->overlap ) )
		return( 0 );

	/* gee, that was easy */

	/* now, for the pasteup element */ 	

	pasteUpIdx = size;
	XieFloPasteUp( &(*flograph)[ size ], width, height, constant, tiles, 
		size );
	
        if ( monoflag )
        {
	        XieFloImportLUT(&(*flograph)[size + 1], XIELut );

		domain.phototag = 0;
		domain.offset_x = 0;
		domain.offset_y = 0;
		XieFloPoint(&(*flograph)[size + 2],
			size + 1,
			&domain,
			size + 2,
			0x7
		);
        }

	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 );
}

int
BuildMeSomeTiles( tiles, split, width, height, method, overlap )
XieTile tiles[];
int	split;
int	width;
int	height;
int	method;
int	overlap;
{
	int i, j, idx;

	SetTileXY( tiles, split, width, height, method, overlap );

        idx = 0;
        for ( i = 0; i < split; i++ )
        {
                for ( j = 0; j < split; j++ )
                {
                        tiles[ idx ].src = idx + 1;
                        idx++;
                }
        }
	return( 1 );
}

int
SetTileXY( tiles, split, width, height, method, overlap )
XieTile	tiles[];
int	split;
int	width;
int	height;
int	method;
int	overlap;
{
	int	i, j, idx;

	idx = 0;
	if ( method == 0 ) 
	{
		for ( i = 0; i < split; i++ )
		{
			for ( j = 0; j < split; j++ )
			{
				if ( overlap == Overlap && i == j  )
				{
					tiles[ idx ].dst_x = i * width - ( width / 2 );
					tiles[ idx ].dst_y = j * height - ( height / 2 );
				}
				else
				{
					tiles[ idx ].dst_x = i * width;
					tiles[ idx ].dst_y = j * height;
				}
				idx++;
			}
		}
	}
	else if ( method == 1 )
	{
		for ( i = 0; i < split; i++ )
		{
			for ( j = 0; j < split; j++ )
			{
				if ( overlap == Overlap && i == j )
				{
					tiles[ idx ].dst_x = j * width - ( width / 2 );
					tiles[ idx ].dst_y = i * height - ( height / 2 );
				}
				else
				{
					tiles[ idx ].dst_x = j * width;
					tiles[ idx ].dst_y = i * height;
				}
				idx++;
			}
		}
	}
}

void DoPasteUp(xp, p, reps)
    XParms  xp;
    Parms   p;
    int     reps;
{
    	int     i, method;
	int	flo_notify;
	XIEimage *image;
	int	width, height, overlap;

	flo_notify = True;	
	image = p->finfo.image1;
	if ( !image )
		return;
	method = 0;
	width = image->width[ 0 ];
	height = image->height[ 0 ];
	overlap = ( ( PasteUpParms * ) p->ts )->overlap;
	for ( i = 0; i != reps; i++ )
	{
                XieExecutePhotoflo( xp->d, flo, flo_notify );
		WaitForXIEEvent( xp, xieEvnNoPhotofloDone, flo, 0, False );
		XSync( xp->d, 0 );

		if ( i < reps ) 
		{
			XieFreePasteUpTiles(&flograph[ pasteUpIdx ] );
			BuildMeSomeTiles( tiles, SPLIT, width / SPLIT,
				height / SPLIT, method++, overlap );
			if ( method == 2 )
				method = 0;
			XieFloPasteUp( &flograph[ pasteUpIdx ], width, height, 
				constant, tiles, NTILES );
			XieModifyPhotoflo( xp->d, flo, pasteUpIdx + 1, 
				&flograph[pasteUpIdx], 1 );
			XSync( xp->d, 0 );
		}
    	}
}

int
EndPasteUp(xp, p)
    XParms  xp;
    Parms   p;
{
	FreePasteUpStuff( xp, p );
}

int
FreePasteUpStuff( xp, p )
XParms	xp;
Parms	p;
{
	XieFreePasteUpTiles(&flograph[ pasteUpIdx ] );

	if ( XIELut ) 
	{
		XieDestroyLUT( xp->d, XIELut );
		XIELut = ( XieLut ) NULL;
	}

	if ( XIEPhotomap && IsPhotomapInCache( XIEPhotomap ) == False )
	{
		XieDestroyPhotomap( xp->d, XIEPhotomap );
		XIEPhotomap = ( XiePhotomap ) NULL;
	}

	CloseSegments( xp, p );

        if ( flograph )
        {
                XieFreePhotofloGraph(flograph,flo_elements);
                flograph = ( XiePhotoElement * ) NULL;
        }
        if ( flo )
        {
                XieDestroyPhotoflo( xp->d, flo );
                flo = ( XiePhotoflo ) NULL;
        }
}

