text.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 AcadText *AcadText__create( void )

{
AcadText *me;

me = ( AcadText * )get_memory( sizeof( AcadText ) );
me->text = NULL;
return( me );
}


PUBLIC void AcadText__delete( AcadText *me )

{
if ( me->text ) free( me->text );
free( ( char * )me );
}


PUBLIC int AcadText__length( AcadText *me )

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


PUBLIC void AcadText__read( AcadText *me )

{
INT16 length;
AcadEntity__read_elevation_etc( &me->common,true,true );

get_DOUBLE( &me->x );
get_DOUBLE( &me->y );
get_DOUBLE( &me->height );

get_INT16( &length );
me->text = get_memory( length+1 );
memcpy( me->text,__drawing->file_pointer,length );
me->text[ length ] = NULL;
__drawing->file_position += length;
__drawing->file_pointer += length;

if ( me->common.pflags&0x1 ) get_DOUBLE( &me->angle );
else me->angle = 0.0;
if ( me->common.pflags&0x2 ) get_DOUBLE( &me->x_scale );
else me->x_scale = 1.0;
if ( me->common.pflags&0x4 ) get_DOUBLE( &me->obliquing_angle );
else me->obliquing_angle = 0.0;
if ( me->common.pflags&0x8 ) get_UINT8( &me->text_style );
else me->text_style = 0;
if ( me->common.pflags&0x10 ) get_UINT8( &me->generation_flags );
else me->generation_flags = 0;
if ( me->generation_flags&2 ) me->backward = true;
else me->backward = false;
if ( me->generation_flags&4 ) me->upsidedown = true;
else me->upsidedown = false;

if ( me->common.pflags & 0x20 ) get_UINT8( &me->horizontal_text_justify_type );
else me->horizontal_text_justify_type = 0;

if ( me->common.pflags & 0x40 )
	{
	get_DOUBLE( &me->alignment_x );
	get_DOUBLE( &me->alignment_y );
	}
else me->alignment_x = me->alignment_y = 0.0;

if ( me->common.pflags & 0x100 ) get_UINT8( &me->vertical_text_justify_type );
else me->vertical_text_justify_type = 0;

if ( me->common.pflags&0x80 ) AcadEntity__get_ucs_directions( &me->common );
}


PUBLIC void AcadText__dump_to_debug_file( AcadText *me )


{
dprintf( "TEXT\n" );
dprintf( "\tat %lf,%lf\n",me->x,me->y );
dprintf( "\theight %lf\n",me->height );
dprintf( "\ttext [%s]\n",me->text );
dprintf( "\tgeneration flags %xH\n",me->generation_flags );
dprintf( "\thorizontal_text_justify type %xH\n",me->horizontal_text_justify_type );
dprintf( "\tvertical_text_justify type %xH\n",me->vertical_text_justify_type );
dprintf( "\tangle %lf\n",me->angle );
dprintf( "\talignment %lf,%lf\n",me->alignment_x,me->alignment_y );
dprintf( "\tobliquing angle %lf\n",me->obliquing_angle );
dprintf( "\tx scale %lf\n",me->x_scale );
if ( me->upsidedown ) dprintf( "\tupsidedown\n" );
if ( me->backward ) dprintf( "\tbackward\n" );
if ( me->vertical ) dprintf( "\tvertical\n" );
}


PUBLIC void AcadText__dxfout( AcadText *me )

{
dxf_string( 0,"TEXT" );
AcadEntity__dxfout( &me->common );
dxf_DOUBLE( 10,me->x );
dxf_DOUBLE( 20,me->y );
if ( !__drawing->header->flatland ) dxf_DOUBLE( 30,me->common.elevation );
dxf_DOUBLE( 40,me->height );
dxf_string( 1,me->text );
if ( me->angle ) dxf_DOUBLE( 50,rad_to_degrees( me->angle ) );
if ( me->x_scale NEQ 1.0 ) dxf_DOUBLE( 41,me->x_scale );
if ( me->obliquing_angle ) dxf_DOUBLE( 51,rad_to_degrees( me->obliquing_angle ) );
if ( me->common.pflags&0x8 ) dxf_string( 7,style_name( me->text_style ) );
if ( me->generation_flags ) dxf_char( 71,me->generation_flags );
if ( me->horizontal_text_justify_type ) dxf_char( 72,me->horizontal_text_justify_type );
if ( me->horizontal_text_justify_type OR me->vertical_text_justify_type ) 
	{
	dxf_DOUBLE( 11,me->alignment_x );
	dxf_DOUBLE( 21,me->alignment_y );
	if ( !__drawing->header->flatland ) dxf_DOUBLE( 31,me->common.elevation );
	}
if ( me->vertical_text_justify_type ) dxf_char( 73,me->vertical_text_justify_type );
AcadExtendedEntity__dump_to_debug_file( me->common.extended_entity );
AcadEntity__dxfout_ucs( &me->common );
}


PUBLIC void AcadText__write( AcadText *me )

{
INT16 length;
int size;

put_UINT8( 7 );  /* TEXT TYPE */
size = sizeof( DOUBLE )*3+1;
size += strlen( me->text ) + 2;
if ( me->common.pflags&0x1 ) size += sizeof( me->angle );
if ( me->common.pflags&0x2 ) size += sizeof( me->x_scale );
if ( me->common.pflags&0x4 ) size += sizeof( me->obliquing_angle );
if ( me->common.pflags&0x8 ) ++size;
if ( me->common.pflags&0x10 ) ++size;
if ( me->common.pflags & 0x20 ) ++size;
if ( me->common.pflags & 0x40 )size += sizeof( DOUBLE )*2;
if ( me->common.pflags & 0x100 ) ++size;
if ( me->common.ucs ) size += sizeof( DOUBLE )*3;
AcadEntity__write_elevation_etc( &me->common,true,true,size );
if ( debugger ) dprintf( "\ttext entity\n" );

put_DOUBLE( me->x );
put_DOUBLE( me->y );
put_DOUBLE( me->height );

length = strlen( me->text );
put_INT16( length );
put_array( me->text,length );

if ( me->common.pflags&0x1 ) put_DOUBLE( me->angle );
if ( me->common.pflags&0x2 ) put_DOUBLE( me->x_scale );
if ( me->common.pflags&0x4 ) put_DOUBLE( me->obliquing_angle );
if ( me->common.pflags&0x8 ) put_UINT8( me->text_style );
if ( me->common.pflags&0x10 ) put_UINT8( me->generation_flags );
if ( me->common.pflags & 0x20 ) put_UINT8( me->horizontal_text_justify_type );
if ( me->common.pflags & 0x40 )
	{
	put_DOUBLE( me->alignment_x );
	put_DOUBLE( me->alignment_y );
	}
if ( me->common.pflags & 0x100 ) put_UINT8( me->vertical_text_justify_type );

if ( me->common.ucs ) AcadEntity__put_ucs_directions( &me->common );
}