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/******************************************************************************
* $Id: dgnlibp.h 22381 2011-05-16 21:14:22Z rouault $
*
* Project: Microstation DGN Access Library
* Purpose: Internal (privatE) datastructures, and prototypes for DGN Access
* Library.
* Author: Frank Warmerdam, warmerdam@pobox.com
*
******************************************************************************
* Copyright (c) 2000, Avenza Systems Inc, http://www.avenza.com/
*
* 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 AUTHORS OR COPYRIGHT HOLDERS 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.
****************************************************************************/
#ifndef _DGNLIBP_H_INCLUDED
#define _DGNLIBP_H_INCLUDED
#include "dgnlib.h"
#ifndef PI
#define PI 3.1415926535897932384626433832795
#endif
typedef struct {
FILE *fp;
int next_element_id;
int nElemBytes;
GByte abyElem[131076];
int got_tcb;
int dimension;
int options;
double scale;
double origin_x;
double origin_y;
double origin_z;
int index_built;
int element_count;
int max_element_count;
DGNElementInfo *element_index;
int got_color_table;
GByte color_table[256][3];
int got_bounds;
GUInt32 min_x;
GUInt32 min_y;
GUInt32 min_z;
GUInt32 max_x;
GUInt32 max_y;
GUInt32 max_z;
int has_spatial_filter;
int sf_converted_to_uor;
int select_complex_group;
int in_complex_group;
GUInt32 sf_min_x;
GUInt32 sf_min_y;
GUInt32 sf_max_x;
GUInt32 sf_max_y;
double sf_min_x_geo;
double sf_min_y_geo;
double sf_max_x_geo;
double sf_max_y_geo;
} DGNInfo;
#define DGN_INT32( p ) ((p)[2] \
+ ((p)[3] << 8) \
+ ((p)[1] << 24) \
+ ((p)[0] << 16))
#define DGN_WRITE_INT32( n, p ) { GInt32 nMacroWork = (n); \
((unsigned char *)p)[0] = (unsigned char)((nMacroWork & 0x00ff0000) >> 16); \
((unsigned char *)p)[1] = (unsigned char)((nMacroWork & 0xff000000) >> 24); \
((unsigned char *)p)[2] = (unsigned char)((nMacroWork & 0x000000ff) >> 0); \
((unsigned char *)p)[3] = (unsigned char)((nMacroWork & 0x0000ff00) >> 8); }
int DGNParseCore( DGNInfo *, DGNElemCore * );
void DGNTransformPoint( DGNInfo *, DGNPoint * );
void DGNInverseTransformPoint( DGNInfo *, DGNPoint * );
void DGNInverseTransformPointToInt( DGNInfo *, DGNPoint *, unsigned char * );
void DGN2IEEEDouble( void * );
void IEEE2DGNDouble( void * );
void DGNBuildIndex( DGNInfo * );
void DGNRad50ToAscii( unsigned short rad50, char *str );
void DGNAsciiToRad50( const char *str, unsigned short *rad50 );
void DGNSpatialFilterToUOR( DGNInfo *);
int DGNLoadRawElement( DGNInfo *psDGN, int *pnType, int *pnLevel );
#endif /* ndef _DGNLIBP_H_INCLUDED */
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