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/*! \file src/booleng.cpp
\author Klaas Holwerda
Copyright: 2001-2004 (C) Klaas Holwerda
Licence: see kboollicense.txt
RCS-ID: $Id: booleng.cpp,v 1.7 2009/09/14 16:50:12 titato Exp $
*/
#include "kbool/booleng.h"
#include <time.h>
#include "kbool/link.h"
#include "kbool/line.h"
#include "kbool/node.h"
#include "kbool/graph.h"
#include "kbool/graphlst.h"
B_INT bmin( B_INT const value1, B_INT const value2 )
{
return( ( value1 < value2 ) ? value1 : value2 );
}
B_INT bmax( B_INT const value1, B_INT const value2 )
{
return( ( value1 > value2 ) ? value1 : value2 );
}
B_INT babs( B_INT a )
{
if ( a < 0 ) a = -a;
return a;
}
//-------------------------------------------------------------------/
//----------------- Bool_Engine_Error -------------------------------/
//-------------------------------------------------------------------/
Bool_Engine_Error::Bool_Engine_Error( string message, string header, int degree, int fatal )
{
_message = message;
_header = header;
_degree = degree;
_fatal = fatal;
}
Bool_Engine_Error::Bool_Engine_Error( const Bool_Engine_Error& a )
{
_message = a._message;
_header = a._header;
_degree = a._degree;
_fatal = a._fatal;
}
Bool_Engine_Error::~Bool_Engine_Error()
{
_message = "";
_header = "";
}
string Bool_Engine_Error::GetErrorMessage()
{
return _message;
}
string Bool_Engine_Error::GetHeaderMessage()
{
return _header;
}
int Bool_Engine_Error::GetErrorDegree()
{
return _degree;
}
int Bool_Engine_Error::GetFatal()
{
return _fatal;
}
//-------------------------------------------------------------------/
//----------------- Bool_Engine -------------------------------------/
//-------------------------------------------------------------------/
Bool_Engine::Bool_Engine()
{
_linkiter = new TDLI<kbLink>();
m_intersectionruns = 1;
m_orientationEntryMode = false;
m_doLinkHoles = true;
m_allowNonTopHoleLinking = true;
m_graphlist = new kbGraphList( this );
m_ACCUR = 1e-4;
m_WINDINGRULE = true;
m_GraphToAdd = NULL;
m_firstNodeToAdd = NULL;
m_lastNodeToAdd = NULL;
m_logfile = NULL;
#if KBOOL_LOG == 1
SetLog( true );
#else
SetLog( false );
#endif
}
Bool_Engine::~Bool_Engine()
{
if ( m_logfile != NULL )
fclose ( m_logfile );
delete _linkiter;
delete m_graphlist;
}
void Bool_Engine::SetLog( bool OnOff )
{
m_doLog = OnOff;
if ( m_doLog )
{
if ( m_logfile == NULL )
{
// create a new logfile
m_logfile = fopen( KBOOL_LOGFILE, "w" );
if ( m_logfile == NULL )
fprintf( stderr, "Bool_Engine: Unable to write to Boolean Engine logfile\n" );
else
{
time_t timer;
struct tm * today;
timer = time( NULL );
today = localtime( &timer );
fprintf( m_logfile, "Logfile created on:\t\t\t%s", ctime( &timer ) );
}
}
}
else
{
if ( m_logfile != NULL )
{
fclose ( m_logfile );
m_logfile = NULL;
}
}
}
void Bool_Engine::SetState( string process )
{
Write_Log( process );
}
void Bool_Engine::error( string text, string title )
{
Write_Log( "FATAL ERROR: ", title );
Write_Log( "FATAL ERROR: ", text );
throw Bool_Engine_Error( " Fatal Error", "Fatal Error", 9, 1 );
};
void Bool_Engine::info( string text, string title )
{
Write_Log( "FATAL ERROR: ", title );
Write_Log( "FATAL ERROR: ", text );
};
void Bool_Engine::SetMarge( double marge )
{
m_MARGE = marge;
Write_Log( "Bool_Engine::m_MARGE = %f\n", m_MARGE );
}
double Bool_Engine::GetAccur()
{
return m_ACCUR;
}
void Bool_Engine::SetRoundfactor( double roundfac )
{
m_ROUNDFACTOR = roundfac;
Write_Log( "Bool_Engine::m_ROUNDFACTOR = %f\n", m_ROUNDFACTOR );
}
double Bool_Engine::GetRoundfactor()
{
return m_ROUNDFACTOR;
}
double Bool_Engine::GetMarge()
{
return m_MARGE;
}
void Bool_Engine::SetDGrid( double dgrid )
{
m_DGRID = dgrid;
Write_Log( "Bool_Engine::m_DGRID = %f\n", m_DGRID );
}
double Bool_Engine::GetDGrid()
{
return m_DGRID;
}
void Bool_Engine::SetGrid( B_INT grid )
{
m_GRID = grid;
Write_Log( "Bool_Engine::m_GRID = %lld\n", m_GRID );
}
B_INT Bool_Engine::GetGrid()
{
return m_GRID;
}
void Bool_Engine::SetCorrectionAber( double aber )
{
m_CORRECTIONABER = aber;
Write_Log( "Bool_Engine::m_CORRECTIONABER = %f\n", m_CORRECTIONABER );
}
double Bool_Engine::GetCorrectionAber()
{
return m_CORRECTIONABER;
}
void Bool_Engine::SetCorrectionFactor( double aber )
{
m_CORRECTIONFACTOR = aber;
Write_Log( "Bool_Engine::m_CORRECTIONFACTOR = %f\n", m_CORRECTIONFACTOR );
}
double Bool_Engine::GetCorrectionFactor()
{
return m_CORRECTIONFACTOR;
}
void Bool_Engine::SetSmoothAber( double aber )
{
m_SMOOTHABER = aber;
Write_Log( "Bool_Engine::m_SMOOTHABER = %f\n", m_SMOOTHABER );
}
double Bool_Engine::GetSmoothAber()
{
return m_SMOOTHABER;
}
void Bool_Engine::SetMaxlinemerge( double maxline )
{
m_MAXLINEMERGE = maxline;
Write_Log( "Bool_Engine::m_MAXLINEMERGE = %f\n", m_MAXLINEMERGE );
}
double Bool_Engine::GetMaxlinemerge()
{
return m_MAXLINEMERGE;
}
void Bool_Engine::SetWindingRule( bool rule )
{
m_WINDINGRULE = rule;
}
bool Bool_Engine::GetWindingRule()
{
return m_WINDINGRULE;
}
void Bool_Engine::SetInternalMarge( B_INT marge )
{
m_MARGE = ( double )marge / m_GRID / m_DGRID;
}
B_INT Bool_Engine::GetInternalMarge()
{
return ( B_INT ) ( m_MARGE * m_GRID * m_DGRID );
}
double Bool_Engine::GetInternalCorrectionAber()
{
return m_CORRECTIONABER * m_GRID * m_DGRID;
}
double Bool_Engine::GetInternalCorrectionFactor()
{
return m_CORRECTIONFACTOR * m_GRID * m_DGRID;
}
double Bool_Engine::GetInternalSmoothAber()
{
return m_SMOOTHABER * m_GRID * m_DGRID;
}
B_INT Bool_Engine::GetInternalMaxlinemerge()
{
return ( B_INT ) ( m_MAXLINEMERGE * m_GRID * m_DGRID );
}
#define TRIALS 30
bool Bool_Engine::Do_Operation( BOOL_OP operation )
{
#if KBOOL_DEBUG
kbGraphList * saveme = new kbGraphList( m_graphlist );
#endif
try
{
switch ( operation )
{
case ( BOOL_OR ):
case ( BOOL_AND ):
case ( BOOL_EXOR ):
case ( BOOL_A_SUB_B ):
case ( BOOL_B_SUB_A ):
m_graphlist->Boolean( operation, m_intersectionruns );
break;
case ( BOOL_CORRECTION ):
m_graphlist->Correction();
break;
case ( BOOL_MAKERING ):
m_graphlist->MakeRings();
break;
case ( BOOL_SMOOTHEN ):
m_graphlist->Smoothen( GetInternalSmoothAber() );
break;
default:
{
error( "Wrong operation", "Command Error" );
return false;
}
}
}
catch ( Bool_Engine_Error & error )
{
#if KBOOL_DEBUG
delete m_graphlist;
m_graphlist = new kbGraphList( saveme );
m_graphlist->WriteGraphsKEY( this );
#endif
if ( m_logfile != NULL )
{
fclose ( m_logfile );
m_logfile = NULL;
}
info( error.GetErrorMessage(), "error" );
throw error;
}
catch( ... )
{
#if KBOOL_DEBUG
delete m_graphlist;
m_graphlist = new kbGraphList( saveme );
m_graphlist->WriteGraphsKEY( this );
#endif
if ( m_logfile != NULL )
{
fclose ( m_logfile );
m_logfile = NULL;
}
info( "Unknown exception", "error" );
throw ;
}
#if KBOOL_DEBUG
delete saveme;
#endif
return true;
}
bool Bool_Engine::StartPolygonAdd( GroupType A_or_B )
{
#if KBOOL_DEBUG
if ( m_logfile != NULL )
fprintf( m_logfile, "-> StartPolygonAdd(%d)\n", A_or_B );
#endif
if ( m_GraphToAdd != NULL )
return false;
kbGraph *myGraph = new kbGraph( this );
m_graphlist->insbegin( myGraph );
m_GraphToAdd = myGraph;
m_groupType = A_or_B;
return true;
}
bool Bool_Engine::AddPoint( double x, double y )
{
if ( m_GraphToAdd == NULL ){return false;}
double scaledx = x * m_DGRID * m_GRID;
double scaledy = y * m_DGRID * m_GRID;
if ( scaledx > MAXB_INT || scaledx < MINB_INT )
error( "X coordinate of vertex to big", "" );
if ( scaledy > MAXB_INT || scaledy < MINB_INT )
error( "Y coordinate of vertex to big", "" );
B_INT rintx = ( ( B_INT ) ( x * m_DGRID ) ) * m_GRID;
B_INT rinty = ( ( B_INT ) ( y * m_DGRID ) ) * m_GRID;
kbNode *myNode = new kbNode( rintx, rinty, this );
// adding first point to graph
if ( m_firstNodeToAdd == NULL )
{
#if KBOOL_DEBUG
if ( m_logfile != NULL )
{
fprintf( m_logfile, "-> AddPt() *FIRST* :" );
fprintf( m_logfile, " input: x = %f, y = %f\n", x, y );
fprintf( m_logfile, " input: x = %I64d, y = %I64d\n", rintx, rinty ) ;
}
#endif
m_firstNodeToAdd = ( kbNode * ) myNode;
m_lastNodeToAdd = ( kbNode * ) myNode;
}
else
{
#if KBOOL_DEBUG
if ( m_logfile != NULL )
{
fprintf( m_logfile, "-> AddPt():" );
fprintf( m_logfile, " input: x = %f, y = %f\n", x, y );
fprintf( m_logfile, " input: x = %I64d, y = %I64d\n", rintx, rinty ) ;
}
#endif
m_GraphToAdd->AddLink( m_lastNodeToAdd, myNode );
m_lastNodeToAdd = ( kbNode * ) myNode;
}
return true;
}
bool Bool_Engine::EndPolygonAdd()
{
if ( m_GraphToAdd == NULL ) {return false;}
m_GraphToAdd->AddLink( m_lastNodeToAdd, m_firstNodeToAdd );
m_GraphToAdd->SetGroup( m_groupType );
m_GraphToAdd = NULL;
m_lastNodeToAdd = NULL;
m_firstNodeToAdd = NULL;
return true;
}
bool Bool_Engine::StartPolygonGet()
{
if ( !m_graphlist->empty() )
{
m_getGraph = ( kbGraph* ) m_graphlist->headitem();
m_getLink = m_getGraph->GetFirstLink();
m_getNode = m_getLink->GetBeginNode();
m_numPtsInPolygon = m_getGraph->GetNumberOfLinks();
m_numNodesVisited = 0;
return true;
}
else
{
return false;
}
}
bool Bool_Engine::PolygonHasMorePoints()
{
// see if first point
if ( m_numNodesVisited == 0 )
{
// don't need to touch the m_getNode
m_numNodesVisited++;
return true;
}
if ( m_numNodesVisited < m_numPtsInPolygon )
{
// traverse to the next node
m_getNode = m_getLink->GetOther( m_getNode );
m_getLink = m_getLink->Forth( m_getNode );
m_numNodesVisited++;
return true;
}
else
{
return false;
}
}
void Bool_Engine::EndPolygonGet()
{
m_graphlist->removehead();
delete m_getGraph;
}
double Bool_Engine::GetPolygonXPoint()
{
return m_getNode->GetX() / m_GRID / m_DGRID;
}
double Bool_Engine::GetPolygonYPoint()
{
return m_getNode->GetY() / m_GRID / m_DGRID;
}
bool Bool_Engine::GetHoleSegment()
{
if ( m_getLink->GetHole() )
return true;
return false;
}
bool Bool_Engine::GetHoleConnectionSegment()
{
if ( m_getLink->GetHoleLink() )
return true;
return false;
}
kbEdgeType Bool_Engine::GetPolygonPointEdgeType()
{
// see if the point is the beginning of a false edge
if ( m_getLink->GetHoleLink() )
return KB_FALSE_EDGE;
else
// it's either an outside or inside edge
if ( m_getLink->GetHole() )
return KB_INSIDE_EDGE;
else
return KB_OUTSIDE_EDGE;
}
void Bool_Engine::Write_Log( string msg1 )
{
if ( m_logfile == NULL )
return;
fprintf( m_logfile, "%s \n", msg1.c_str() );
}
void Bool_Engine::Write_Log( string msg1, string msg2 )
{
if ( m_logfile == NULL )
return;
fprintf( m_logfile, "%s %s\n", msg1.c_str(), msg2.c_str() );
}
void Bool_Engine::Write_Log( string fmt, double dval )
{
if ( m_logfile == NULL )
return;
fprintf( m_logfile, fmt.c_str(), dval );
}
void Bool_Engine::Write_Log( string fmt, B_INT bval )
{
if ( m_logfile == NULL )
return;
fprintf( m_logfile, fmt.c_str(), bval );
}