line.c

AutoCAD DWG-file viewer

/****************************************************************/
/*			COPYRIGHT NOTICE			*/
/*			----------------			*/
/*  All software in this listing remain the strict copyright	*/
/*  of Ilija Kovacevic and cannot be copied or used in any way	*/
/*  except by written permission of Ilija Kovacevic.		*/
/*								*/
/*	Copyright (c) 1992 Ilija Kovacevic			*/
/*	www.kov.com   email [e-mail]			*/
/****************************************************************/

#include "dwgin.h"

PUBLIC AcadLine *AcadLine__create( void )

{
return( ( AcadLine * )get_memory( sizeof( AcadLine ) ) );
}


PUBLIC void AcadLine__delete( AcadLine *me )

{
free( ( char * )me );
}


PUBLIC int AcadLine__length( AcadLine *me )

{
return( me->common.size );
}


PUBLIC void AcadLine__read( AcadLine *me )

{
AcadEntity__read_elevation_etc( &me->common,!__drawing->acad10 AND !__drawing->acad11,true );
get_DOUBLE( &me->x1 );
get_DOUBLE( &me->y1 );
me->z1 = me->z2 = 0.0;
if ( ( __drawing->acad10 OR __drawing->acad11 ) AND !(me->common.info&0x4) ) 
	{
	get_DOUBLE( &me->z1 );
	}
get_DOUBLE( &me->x2 );
get_DOUBLE( &me->y2 );
if ( __drawing->acad10 OR __drawing->acad11 )
	{
	if ( !(me->common.info&0x4) ) get_DOUBLE( &me->z2 );
	if ( me->common.pflags&0x1 ) AcadEntity__get_ucs_directions( &me->common );
	}
}


PUBLIC void AcadLine__dump_to_debug_file( AcadLine *me )

{
dprintf( "LINE\n" );
dprintf( "\tfrom %lf,%lf,%lf to %lf,%lf,%lf\n",me->x1,me->y1,me->z1,me->x2,me->y2,me->z2 );
}


PUBLIC void AcadLine__dxfout( AcadLine *me )

{
dxf_string( 0,"LINE" );
AcadEntity__dxfout( &me->common );
dxf_DOUBLE( 10,me->x1 );
dxf_DOUBLE( 20,me->y1 );
if ( __drawing->header->flatland OR __drawing->acad11 ) dxf_DOUBLE( 30,me->z1 );
dxf_DOUBLE( 11,me->x2 );
dxf_DOUBLE( 21,me->y2 );
if ( __drawing->header->flatland OR __drawing->acad11 ) dxf_DOUBLE( 31,me->z2 );
AcadEntity__dxfout_ucs( &me->common );
}


PUBLIC void AcadLine__write( AcadLine *me )

{
int size;

put_UINT8( 1 );  /* LINE TYPE */
size = sizeof( DOUBLE )*4+1;
if ( me->common.ucs ) size += sizeof( DOUBLE )*3;
if ( !(me->common.info&0x4) ) size += sizeof( DOUBLE )*2;
AcadEntity__write_elevation_etc( &me->common,false,true,size );
if ( debugger ) dprintf( "\tline entity\n" );
put_DOUBLE( me->x1 );
put_DOUBLE( me->y1 );
if ( !(me->common.info&0x4) ) put_DOUBLE( me->z1 );
put_DOUBLE( me->x2 );
put_DOUBLE( me->y2 );
if ( !(me->common.info&0x4) ) put_DOUBLE( me->z2 );
if ( me->common.ucs ) AcadEntity__put_ucs_directions( &me->common );
}