/* $Xorg: geometry.c,v 1.3 2000/08/17 19:54:25 cpqbld Exp $ */

/**** module geometry.c ****/
/******************************************************************************

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*****************************************************************************
  
	geometry.c -- geometry flo element tests 

	Syd Logan -- AGE Logic, Inc.
  
*****************************************************************************/
/* $XFree86: xc/programs/xieperf/geometry.c,v 1.5 2001/01/17 23:45:38 dawes Exp $ */

#include "xieperf.h"
#include <stdio.h>
#include <math.h>
#ifndef M_PI
#define M_PI	3.14159265358979323846
#endif

static XiePhotomap XIEPhotomap;
static XieLut	XIELut, XIELut2;

static int constrainflag = 0;
static int drawableplaneflag = 0;

static XieDecodeG42DParam *G42Ddecode_params=NULL;
static XieDecodeG32DParam *G32Ddecode_params=NULL;
static XieDecodeG31DParam *G31Ddecode_params=NULL;
static XieDecodeTIFFPackBitsParam *TIFFPackBitsdecode_params=NULL;
static XieDecodeTIFF2Param *TIFF2decode_params=NULL;

static XiePhotoElement *flograph;
static XiePhotoflo flo;
static int flo_elements;
static int flo_notify;
static int size;
static XIEimage *image;

int 
InitGeometry(XParms xp, Parms p, int reps)
{
	int     band_mask = 1;
	int	idx = 0;
	float	coeffs[ 6 ];
	static XieConstant constant = { 0.0, 0.0, 0.0 };
	XieProcessDomain domain;
	XieGeometryTechnique geo_tech = ( XieGeometryTechnique ) NULL;
	char	*geo_tech_params = NULL;

	XIELut = ( XieLut ) NULL;
	XIEPhotomap = ( XiePhotomap ) NULL;
	flograph = ( XiePhotoElement * ) NULL;
	flo = ( XiePhotoflo ) NULL;
	
	image = p->finfo.image1;
	if ( !image )
		return 0;

        if ( TechniqueSupported( xp, xieValGeometry,
                ( ( GeometryParms * ) p->ts )->geoTech ) == False )
		return 0;

	constrainflag = drawableplaneflag = 0;
	if ( xp->screenDepth == 1 && !IsFaxImage( image->decode ) )
	{
		constrainflag = 1;
                if ( ( XIELut = CreatePointLut( xp, p, 1 << image->depth[ 0 ],
                        1 << xp->screenDepth, False ) ) == ( XieLut ) NULL )
                {
                        reps = 0;
                }
	}	
	else if ( xp->screenDepth != 1 && IsFaxImage( image->decode ) 
		&& ( ( GeometryParms * ) p->ts )->geoTech == xieValGeomAntialias )
	{
		constrainflag = 1;
                if ( ( XIELut = CreatePointLut( xp, p, 1 << image->depth[ 0 ],
                        1 << xp->screenDepth, False ) ) == ( XieLut ) NULL )
                {
                        reps = 0;
                }
	}
	else if ( xp->screenDepth != image->depth[ 0 ] )
	{
		constrainflag = 1;
                if ( ( XIELut = CreatePointLut( xp, p, 1 << image->depth[ 0 ],
                        1 << xp->screenDepth, False ) ) == ( XieLut ) NULL )
                {
                        reps = 0;
                }
	}
	if ( xp->vinfo.depth != 1 && IsFaxImage( image->decode ) 
		&& ( ( GeometryParms * ) p->ts )->geoTech != xieValGeomAntialias )
		drawableplaneflag = 1;

	if ( reps )
	{
		if ( IsFaxImage( image->decode ) )
			GetXIEFAXPhotomap( xp, p, 1, False );
		else
			XIEPhotomap = GetXIEPhotomap( xp, p, 1 );
		if ( XIEPhotomap == ( XiePhotomap ) NULL )
		{
			reps = 0;
		}
	}
	if ( reps )
	{
		if ( constrainflag )
			flo_elements = 5;
		else
			flo_elements = 3;
		flograph = XieAllocatePhotofloGraph(flo_elements);	
		if ( flograph == ( XiePhotoElement * ) NULL )
		{
			fprintf( stderr, "XieAllocatePhotofloGraph failed\n" );
			reps = 0;
		}

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

		geo_tech = ( ( GeometryParms * ) p->ts )->geoTech;

		if ( !SetCoefficients( xp, p, 1, (GeometryParms*)p->ts, coeffs ) )
			reps = 0;
	}
	if ( reps )
	{
		XieFloGeometry(&flograph[idx], 
			idx,
			( ( GeometryParms * ) p->ts )->geoWidth,
			( ( GeometryParms * ) p->ts )->geoHeight,
			coeffs,
			constant,
			band_mask,
			geo_tech,
			geo_tech_params
		); idx++;

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

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

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

		flo = XieCreatePhotoflo( xp->d, flograph, flo_elements );
		flo_notify = True;	
	}
	if ( !reps )
		FreeGeometryStuff( xp, p );
	return( reps );
}

void 
DoGeometry(XParms xp, Parms p, int reps)
{
    	int     i;

    	for (i = 0; i != reps; i++) {
		XieExecutePhotoflo( xp->d, flo, flo_notify );
		XSync( xp->d, 0 );
		WaitForXIEEvent( xp, xieEvnNoPhotofloDone, flo, 0, False );
    	}
}

int 
InitGeometryFAX(XParms xp, Parms p, int reps)
{
	int     band_mask = 1;
	int	idx = 0;
	Bool radiometric;
	float	coeffs[ 6 ];
	static XieConstant constant = { 0.0, 0.0, 0.0 };
        XieLTriplet width, height, mylevels;
	XieGeometryTechnique geo_tech = ( XieGeometryTechnique ) NULL;
	char	*geo_tech_params = NULL;
	XieProcessDomain domain;
	char	*decode_tech = ( char * ) NULL;

        if ( TechniqueSupported( xp, xieValGeometry,
                ( ( GeometryParms * ) p->ts )->geoTech ) == False )
		return 0;

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

	if ( !IsFaxImage( image->decode ) )
		return( 0 );

	FlushCache();
	G42Ddecode_params = ( XieDecodeG42DParam * ) NULL;
	G32Ddecode_params = ( XieDecodeG32DParam * ) NULL;
	G31Ddecode_params = ( XieDecodeG31DParam * ) NULL;
	TIFFPackBitsdecode_params = ( XieDecodeTIFFPackBitsParam * ) NULL;
	TIFF2decode_params = ( XieDecodeTIFF2Param * ) NULL;
	XIEPhotomap = ( XiePhotomap ) NULL;
	XIELut = ( XieLut ) NULL;
	XIELut2 = ( XieLut ) NULL;
	flograph = ( XiePhotoElement * ) NULL;
	flo = ( XiePhotoflo ) NULL;
	constrainflag = drawableplaneflag = 0;

	if ( xp->screenDepth != 1 && ( ( GeometryParms * ) p->ts )->geoTech 
		== xieValGeomAntialias )
	{
		constrainflag = 1;
                if ( ( XIELut = CreatePointLut( xp, p, 1 << image->depth[ 0 ],
                        256, True ) ) == ( XieLut ) NULL )
                {
                        reps = 0;
                }
                if ( ( XIELut2 = CreatePointLut( xp, p, 256,
                        1 << xp->screenDepth, False ) ) == ( XieLut ) NULL )
                {
                        reps = 0;
                }
	}

	if ( xp->screenDepth != 1 
		&& ((GeometryParms *) p->ts )->geoTech != xieValGeomAntialias)
		drawableplaneflag = 1;

	if ( reps )	
	{
        	if ( !GetImageData( xp, p, 1 ) )
			reps = 0;
		else  
		{
		    	radiometric = (( GeometryParms *) p->ts )->radiometric;
		    	if ( image->decode == xieValDecodeG42D )
		    	{
       				G42Ddecode_params = XieTecDecodeG42D(
                			image->fill_order,
					True,
					radiometric    
				);
				decode_tech = ( char * ) G42Ddecode_params;
			}
			else if ( image->decode == xieValDecodeG32D )
			{
				G32Ddecode_params = XieTecDecodeG32D(
					image->fill_order,
					True,
					radiometric    
				);
				decode_tech = ( char * ) G32Ddecode_params;
			}
		    	else if ( image->decode == xieValDecodeG31D )
			{
				G31Ddecode_params = XieTecDecodeG31D(
					image->fill_order,
					True,
					radiometric    
				);
				decode_tech = ( char * ) G31Ddecode_params;
			}
		    	else if ( image->decode == xieValDecodeTIFF2 )
			{
				TIFF2decode_params = XieTecDecodeTIFF2(
					image->fill_order,
					True,
					radiometric    
				);
				decode_tech = ( char * ) TIFF2decode_params;
			}
		    	else if ( image->decode == xieValDecodeTIFFPackBits )
			{
       				TIFFPackBitsdecode_params = 
					XieTecDecodeTIFFPackBits(
						image->fill_order,
						True
					);
				decode_tech = ( char * ) TIFFPackBitsdecode_params;
			}
			else 
			{
				fprintf(stderr,"Invalid decode\n" );
				reps = 0;
			}
			if ( decode_tech == ( char * ) NULL )
			{
				reps = 0;
			}
		}
	}
	if ( reps )
	{
		if ( constrainflag )
			flo_elements = 7;
		else
			flo_elements = 3;
       		flograph = XieAllocatePhotofloGraph(flo_elements);
        	if ( flograph == ( XiePhotoElement * ) NULL )
        	{
			fprintf( stderr, "XieAllocatePhotofloGraph failed\n" );
			reps = 0;
		}
	} 
	if ( reps )
	{
		width[ 0 ] = image->width[ 0 ];
		height[ 0 ] = image->height[ 0 ];
		mylevels[ 0 ] = image->levels[ 0 ];

		XieFloImportClientPhoto(&flograph[idx],
			image->bandclass,
			width, height, mylevels,
			False,
			image->decode, decode_tech 
		); 
		idx++;

		geo_tech = ( ( GeometryParms * ) p->ts )->geoTech;

		if ( !SetCoefficients( xp, p, 1, (GeometryParms*)p->ts, coeffs ) )
			reps = 0;
	}
	
	if ( reps )
	{
		if ( constrainflag )
		{
	                XieFloImportLUT(&flograph[idx], XIELut );
			idx++;

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

		XieFloGeometry(&flograph[idx], 
			idx,
			( ( GeometryParms * ) p->ts )->geoWidth,
			( ( GeometryParms * ) p->ts )->geoHeight,
			coeffs,
			constant,
			band_mask,
			geo_tech,
			geo_tech_params
		); idx++;

		if ( constrainflag )
		{
	                XieFloImportLUT(&flograph[idx], XIELut2 );
			idx++;

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

		if ( drawableplaneflag ) {
			XieFloExportDrawablePlane(&flograph[idx],
				idx, 	 /* source phototag number */
				xp->w,
				xp->bggc,
				0,       /* x offset in window */
				0        /* y offset in window */
			); idx++;
		}
		else {
			XieFloExportDrawable(&flograph[idx],
				idx, 	 /* source phototag number */
				xp->w,
				xp->bggc,
				0,       /* x offset in window */
				0        /* y offset in window */
			); idx++;
		}
		flo = XieCreatePhotoflo( xp->d, flograph, flo_elements );
		flo_notify = True;	
		size = image->fsize;
	}
	if ( !reps )
		FreeGeometryFAXStuff( xp, p );
	return( reps );
}

void 
DoGeometryFAX(XParms xp, Parms p, int reps)
{
	int	i;

    	for (i = 0; i != reps; i++) {
       		XieExecutePhotoflo(xp->d, flo, flo_notify ); 
		XSync( xp->d, 0 );
	        PumpTheClientData( xp, p, flo, 0, 1, image->data, size, 0 );
		WaitForXIEEvent( xp, xieEvnNoPhotofloDone, flo, 0, False );	
    	}
}

int
SetCoefficients(XParms xp, Parms p, int which, 
		GeometryParms *gp, float coeffs[])
{
	double	sf, rad;
	XIEimage *image;
	int type;

	switch( which )
	{
	case 1:
		image = p->finfo.image1;
		break;
	case 2:
		image = p->finfo.image2;
		break;
	case 3:
		image = p->finfo.image3;
		break;
	case 4:
		image = p->finfo.image4;
		break;
	default:
		image = ( XIEimage * ) NULL;
		return( 0 );	
	}
	type = gp->geoType;
	if ( !image || !gp )
	{
		fprintf( stderr, 
			"SetCoefficients: invalid image or test parameters\n" );
		return ( 0 );
	}

	switch( type )
	{
	case GEO_TYPE_CROP:
		coeffs[ 0 ] = 1;
		coeffs[ 1 ] = 0;
		coeffs[ 2 ] = 0;
		coeffs[ 3 ] = 1;
		coeffs[ 4 ] = gp->geoXOffset;
		coeffs[ 5 ] = gp->geoYOffset;
		break;
	case GEO_TYPE_SCALE:
		coeffs[ 0 ] = image->width[ 0 ] / ( float )gp->geoWidth;
		coeffs[ 1 ] = 0;
		coeffs[ 2 ] = 0;
		coeffs[ 3 ] = image->height[ 0 ] / ( float )gp->geoHeight;
		coeffs[ 4 ] = 0;
		coeffs[ 5 ] = 0;
		break;
	case GEO_TYPE_SCALEDROTATE:
		rad = M_PI * gp->geoAngle / 180.0;
		sf = ( image->width[ 0 ] / ( float )gp->geoWidth );
		coeffs[ 0 ] = sf * cos( rad );
		coeffs[ 1 ] = sf * sin( rad );
		coeffs[ 2 ] = -sf * sin( rad );
		coeffs[ 3 ] = sf * cos( rad );
		coeffs[ 4 ] = image->width[ 0 ] / 2.0 - sf/2 * (cos(rad)*gp->geoWidth + sin(rad) * gp->geoHeight); 
		coeffs[ 5 ] = image->height[ 0 ] / 2.0 - sf/2 * (-sin(rad)*gp->geoWidth + cos(rad) * gp->geoHeight); 
		break;
	case GEO_TYPE_MIRRORX:
		coeffs[ 0 ] = -1;
		coeffs[ 1 ] = 0;
		coeffs[ 2 ] = 0;
		coeffs[ 3 ] = 1;
		coeffs[ 4 ] = gp->geoWidth - 1;
		coeffs[ 5 ] = 0;
		break;
	case GEO_TYPE_MIRRORY:
		coeffs[ 0 ] = 1;
		coeffs[ 1 ] = 0;
		coeffs[ 2 ] = 0;
		coeffs[ 3 ] = -1;
		coeffs[ 4 ] = 0;
		coeffs[ 5 ] = gp->geoHeight - 1;
		break;
	case GEO_TYPE_MIRRORXY:
		coeffs[ 0 ] = -1;
		coeffs[ 1 ] = 0;
		coeffs[ 2 ] = 0;
		coeffs[ 3 ] = -1;
		coeffs[ 4 ] = gp->geoWidth - 1;
		coeffs[ 5 ] = gp->geoHeight - 1;
		break;
	case GEO_TYPE_ROTATE:
		rad = M_PI * gp->geoAngle / 180.0;
		coeffs[ 0 ] = cos( rad );
		coeffs[ 1 ] = sin( rad );
		coeffs[ 2 ] = -sin( rad );
		coeffs[ 3 ] = cos( rad );
		coeffs[ 4 ] = gp->geoWidth/2.0 - 0.5 * ( cos( rad ) * image->width[ 0 ] + sin( rad ) * image->height[ 0 ] );
		coeffs[ 5 ] = gp->geoHeight/2.0 - 0.5 * ( -sin( rad ) * image->width[ 0 ] + cos( rad ) * image->height[ 0 ] );
		break;
	case GEO_TYPE_DEFAULT:
	default:
		coeffs[ 0 ] = 1;
		coeffs[ 1 ] = 0;
		coeffs[ 2 ] = 0;
		coeffs[ 3 ] = 1;
		coeffs[ 4 ] = 0;
		coeffs[ 5 ] = 0;
		break;
	}
	return( 1 );
}

void
EndGeometry(XParms xp, Parms p)
{
	FreeGeometryStuff( xp, p );
}

void
FreeGeometryStuff(XParms xp, Parms p)
{
	if ( XIELut )
	{
		XieDestroyLUT( xp->d, XIELut );
		XIELut = ( XieLut ) NULL;
	}

        if ( XIEPhotomap && !IsPhotomapInCache( XIEPhotomap ) )
        {
		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;
        }
}

void
EndGeometryFAX(xp, p)
XParms  xp;
Parms   p;
{
	FreeGeometryFAXStuff( xp, p );
}

void
FreeGeometryFAXStuff( xp, p )
XParms	xp;
Parms	p;
{
	if ( XIELut )
	{
		XieDestroyLUT( xp->d, XIELut );
		XIELut = ( XieLut ) NULL;
	}

	if ( XIELut2 )
	{
		XieDestroyLUT( xp->d, XIELut2 );
		XIELut2 = ( XieLut ) NULL;
	}

        if ( XIEPhotomap )
        {
		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;
        }

	if ( G42Ddecode_params )
	{
		XFree( G42Ddecode_params );
		G42Ddecode_params = ( XieDecodeG42DParam * ) NULL;
	}
	else if ( G32Ddecode_params )
	{
		XFree( G32Ddecode_params );
		G32Ddecode_params = ( XieDecodeG32DParam * ) NULL;
	}
	else if ( G31Ddecode_params )
	{
		XFree( G31Ddecode_params );
		G31Ddecode_params = ( XieDecodeG31DParam * ) NULL;
	}
	else if ( TIFF2decode_params )
	{
		XFree( TIFF2decode_params );
		TIFF2decode_params = ( XieDecodeTIFF2Param * ) NULL;
	}
	else if ( TIFFPackBitsdecode_params )
	{
		XFree( TIFFPackBitsdecode_params );
		TIFFPackBitsdecode_params = 
			( XieDecodeTIFFPackBitsParam * ) NULL;
	}
}