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545 lines
15 KiB
545 lines
15 KiB
/*
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**************************************************************************
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description
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--------------------
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copyright : (C) 2001-2002 by Andreas Zehender
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email : zehender@kde.org
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**************************************************************************
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**************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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**************************************************************************/
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#include "pmbicubicpatch.h"
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#include "pmxmlhelper.h"
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#include "pmbicubicpatchedit.h"
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#include "pmmemento.h"
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#include "pmviewstructure.h"
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#include "pm3dcontrolpoint.h"
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#include "pmmath.h"
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#include <klocale.h>
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const double c_defaultPatchSize = 6.0;
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const int c_defaultPatchType = 0;
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const int c_defaultPatchUSteps = 3;
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const int c_defaultPatchVSteps = 3;
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const double c_defaultPatchFlatness = 0;
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const PMVector c_defaultUVVector0 = PMVector( 0.0, 0.0 );
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const PMVector c_defaultUVVector1 = PMVector( 1.0, 0.0 );
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const PMVector c_defaultUVVector2 = PMVector( 1.0, 1.0 );
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const PMVector c_defaultUVVector3 = PMVector( 0.0, 1.0 );
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PMDefinePropertyClass( PMBicubicPatch, PMBicubicPatchProperty );
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class PMPointProperty : public PMPropertyBase
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{
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public:
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PMPointProperty( )
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: PMPropertyBase( "controlPoints", PMVariant::Vector )
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{
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m_index = 0;
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}
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virtual int dimensions( ) const { return 1; }
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virtual void setIndex( int /*dimension*/, int index )
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{
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if( index < 0 || index > 15 )
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kdError( PMArea ) << "Illegal index in PMBicubicPatch::PointProperty::setIndex" << endl;
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else
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m_index = index;
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}
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virtual int size( PMObject* /*object*/, int /*dimension*/ ) const
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{
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return 16;
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}
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protected:
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virtual bool setProtected( PMObject* obj, const PMVariant& v )
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{
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PMBicubicPatch* p = ( PMBicubicPatch* ) obj;
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p->setControlPoint( m_index, v.vectorData( ) );
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return true;
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}
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virtual PMVariant getProtected( const PMObject* obj )
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{
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const PMBicubicPatch* p = ( const PMBicubicPatch* ) obj;
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return PMVariant( p->controlPoint( m_index ) );
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}
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private:
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int m_index;
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};
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class PMUVVectorProperty : public PMPropertyBase
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{
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public:
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PMUVVectorProperty( )
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: PMPropertyBase( "uvVectors", PMVariant::Vector )
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{
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m_index = 0;
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}
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virtual int dimensions( ) const { return 1; }
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virtual void setIndex( int /*dimension*/, int index )
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{
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if( index < 0 || index > 3 )
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kdError( PMArea ) << "Illegal index in PMBicubicPatch::UVVectorProperty::setIndex" << endl;
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else
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m_index = index;
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}
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virtual int size( PMObject* /*object*/, int /*dimension*/ ) const
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{
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return 3;
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}
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protected:
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virtual bool setProtected( PMObject* obj, const PMVariant& v )
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{
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PMBicubicPatch* p = ( PMBicubicPatch* ) obj;
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p->setUVVector( m_index, v.vectorData( ) );
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return true;
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}
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virtual PMVariant getProtected( const PMObject* obj )
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{
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const PMBicubicPatch* p = ( const PMBicubicPatch* ) obj;
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return PMVariant( p->uvVector( m_index ) );
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}
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private:
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int m_index;
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};
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PMMetaObject* PMBicubicPatch::s_pMetaObject = 0;
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PMObject* createNewBicubicPatch( PMPart* part )
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{
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return new PMBicubicPatch( part );
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}
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PMBicubicPatch::PMBicubicPatch( PMPart* part )
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: Base( part )
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{
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int x, z;
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double o = -c_defaultPatchSize / 2.0, s = c_defaultPatchSize / 3.0;
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m_patchType = c_defaultPatchType;
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m_numUSteps = c_defaultPatchUSteps;
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m_numVSteps = c_defaultPatchVSteps;
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m_flatness = c_defaultPatchFlatness;
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for( x = 0; x < 4; x++ )
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for( z = 0; z < 4; z++ )
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m_point[x+z*4] = PMVector( o + s * x, 0, o + s * z );
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m_vsUSteps = 0;
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m_vsVSteps = 0;
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m_uvEnabled = false;
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m_uvVectors[0] = c_defaultUVVector0;
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m_uvVectors[1] = c_defaultUVVector1;
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m_uvVectors[2] = c_defaultUVVector2;
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m_uvVectors[3] = c_defaultUVVector3;
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}
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PMBicubicPatch::PMBicubicPatch( const PMBicubicPatch& p )
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: Base( p )
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{
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int i;
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m_patchType = p.m_patchType;
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m_numUSteps = p.m_numUSteps;
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m_numVSteps = p.m_numVSteps;
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m_flatness = p.m_flatness;
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for( i = 0; i < 16; i++ )
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m_point[i] = p.m_point[i];
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m_vsUSteps = 0;
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m_vsVSteps = 0;
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m_uvEnabled = p.m_uvEnabled;
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for( i = 0; i < 4; ++i )
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m_uvVectors[i] = p.m_uvVectors[i];
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}
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PMBicubicPatch::~PMBicubicPatch( )
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{
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}
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TQString PMBicubicPatch::description( ) const
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{
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return i18n( "bicubic patch" );
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}
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void PMBicubicPatch::serialize( TQDomElement& e, TQDomDocument& doc ) const
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{
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int i;
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e.setAttribute( "type", m_patchType );
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e.setAttribute( "flatness", m_flatness );
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e.setAttribute( "uSteps", m_numUSteps );
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e.setAttribute( "vSteps", m_numVSteps );
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e.setAttribute( "uvEnabled", m_uvEnabled );
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for( i = 0; i < 16; i++ )
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e.setAttribute( TQString( "cp%1" ).tqarg( i ), m_point[i].serializeXML( ) );
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for( i = 0; i < 4; ++i )
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e.setAttribute( TQString( "uv%1" ).tqarg( i ), m_uvVectors[i].serializeXML( ) );
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Base::serialize( e, doc );
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}
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void PMBicubicPatch::readAttributes( const PMXMLHelper& h )
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{
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int u, v;
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double o = -c_defaultPatchSize / 2.0, s = c_defaultPatchSize / 3.0;
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m_patchType = h.intAttribute( "type", c_defaultPatchType );
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m_flatness = h.doubleAttribute( "flatness", c_defaultPatchFlatness );
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m_numUSteps = h.intAttribute( "uSteps", c_defaultPatchUSteps );
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m_numVSteps = h.intAttribute( "vSteps", c_defaultPatchVSteps );
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m_uvEnabled = h.boolAttribute( "uvEnabled", m_uvEnabled );
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for( v = 0; v < 4; v++ )
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for( u = 0; u < 4; u++ )
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m_point[u+v*4] = h.vectorAttribute( TQString( "cp%1" ).tqarg( u+v*4 ),
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PMVector( o + s * u, 0, o + s * v ) );
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m_uvVectors[0] = h.vectorAttribute( "uv0", c_defaultUVVector0 );
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m_uvVectors[1] = h.vectorAttribute( "uv1", c_defaultUVVector1 );
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m_uvVectors[2] = h.vectorAttribute( "uv2", c_defaultUVVector2 );
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m_uvVectors[3] = h.vectorAttribute( "uv3", c_defaultUVVector3 );
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Base::readAttributes( h );
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}
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PMMetaObject* PMBicubicPatch::tqmetaObject( ) const
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{
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if( !s_pMetaObject )
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{
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s_pMetaObject = new PMMetaObject( "BicubicPatch", Base::tqmetaObject( ),
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createNewBicubicPatch );
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s_pMetaObject->addProperty(
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new PMBicubicPatchProperty( "patchType", &PMBicubicPatch::setPatchType,
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&PMBicubicPatch::patchType ) );
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s_pMetaObject->addProperty(
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new PMBicubicPatchProperty( "uSteps", &PMBicubicPatch::setUSteps,
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&PMBicubicPatch::uSteps ) );
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s_pMetaObject->addProperty(
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new PMBicubicPatchProperty( "vSteps", &PMBicubicPatch::setVSteps,
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&PMBicubicPatch::vSteps ) );
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s_pMetaObject->addProperty(
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new PMBicubicPatchProperty( "flatness", &PMBicubicPatch::setFlatness,
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&PMBicubicPatch::flatness ) );
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s_pMetaObject->addProperty(
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new PMBicubicPatchProperty( "uvEnabled", &PMBicubicPatch::enableUV,
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&PMBicubicPatch::isUVEnabled ) );
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s_pMetaObject->addProperty( new PMPointProperty( ) );
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s_pMetaObject->addProperty( new PMUVVectorProperty( ) );
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}
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return s_pMetaObject;
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}
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void PMBicubicPatch::cleanUp( ) const
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{
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if( s_pMetaObject )
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{
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delete s_pMetaObject;
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s_pMetaObject = 0;
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}
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Base::cleanUp( );
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}
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void PMBicubicPatch::setPatchType( int patchType )
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{
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if( ( patchType == 0 ) || ( patchType == 1 ) )
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{
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if( patchType != m_patchType )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMTypeID, m_patchType );
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m_patchType = patchType;
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}
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}
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else
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kdError( PMArea ) << "Wrong type in PMBicubicPatch::setPatchType( )\n";
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}
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void PMBicubicPatch::setFlatness( double flatness )
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{
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if( flatness >= 0.0 )
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{
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if( flatness != m_flatness )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMFlatnessID, m_flatness );
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m_flatness = flatness;
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}
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}
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else
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kdError( PMArea ) << "Flatness has to be >= 0 in PMBicubicPatch::setFlatness( )\n";
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}
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void PMBicubicPatch::setUSteps( int steps )
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{
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if( steps >= 0 )
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{
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if( steps != m_numUSteps )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMUStepsID, m_numUSteps );
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m_numUSteps = steps;
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setViewStructureChanged( );
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}
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}
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else
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kdError( PMArea ) << "uSteps has to be >= 0 in PMBicubicPatch::setUSteps( )\n";
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}
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void PMBicubicPatch::setVSteps( int steps )
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{
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if( steps >= 0 )
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{
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if( steps != m_numVSteps )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMVStepsID, m_numVSteps );
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m_numVSteps = steps;
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setViewStructureChanged( );
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}
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}
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else
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kdError( PMArea ) << "vSteps has to be >= 0 in PMBicubicPatch::setVSteps( )\n";
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}
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void PMBicubicPatch::setControlPoint( int i, const PMVector& p )
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{
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if( ( i >= 0 ) && ( i <= 15 ) )
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{
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if( p != m_point[i] )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMCP0ID + i, m_point[i] );
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m_point[i] = p;
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setViewStructureChanged( );
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}
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}
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else
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kdError( PMArea ) << "Wrong index in PMBicubicPatch::setControlPoint( )\n";
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}
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PMVector PMBicubicPatch::controlPoint( int i ) const
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{
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if( ( i >= 0 ) && ( i <= 15 ) )
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return m_point[i];
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else
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kdError( PMArea ) << "Wrong index in PMBicubicPatch::controlPoint( )\n";
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return PMVector( 0, 0, 0 );
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}
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void PMBicubicPatch::enableUV( bool yes )
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{
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if( yes != m_uvEnabled )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMUVEnabledID, m_uvEnabled );
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m_uvEnabled = yes;
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}
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}
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void PMBicubicPatch::setUVVector( int i, const PMVector& v )
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{
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if ( i >= 0 && i < 4 )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMUV0ID + i, m_uvVectors[i] );
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m_uvVectors[i] = v;
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m_uvVectors[i].resize( 2 );
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}
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else
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kdError( PMArea ) << "Wrong index in PMBicubicPatch::setUVVector\n";
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}
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PMVector PMBicubicPatch::uvVector( int i ) const
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{
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if( i >= 0 && i < 4 )
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return m_uvVectors[i];
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else
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kdError( PMArea ) << "Wrong index in PMBicubicPatch::uvVector\n";
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return PMVector( 0.0, 0.0 );
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}
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PMDialogEditBase* PMBicubicPatch::editWidget( TQWidget* parent ) const
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{
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return new PMBicubicPatchEdit( parent );
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}
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void PMBicubicPatch::restoreMemento( PMMemento* s )
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{
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PMMementoDataIterator it( s );
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PMMementoData* data;
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for( ; it.current( ); ++it )
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{
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data = it.current( );
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if( data->objectType( ) == s_pMetaObject )
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{
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switch( data->valueID( ) )
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{
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case PMTypeID:
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setPatchType( data->intData( ) );
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break;
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case PMFlatnessID:
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setFlatness( data->doubleData( ) );
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break;
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case PMUStepsID:
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setUSteps( data->intData( ) );
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break;
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case PMVStepsID:
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setVSteps( data->intData( ) );
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break;
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case PMUVEnabledID:
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enableUV( data->boolData( ) );
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break;
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default:
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if( ( data->valueID( ) >= PMCP0ID ) && ( data->valueID( ) <= PMCP15ID ) )
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setControlPoint( data->valueID( ) - PMCP0ID, data->vectorData( ) );
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else if ( data->valueID( ) >= PMUV0ID && data->valueID( ) <= PMUV3ID )
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setUVVector( data->valueID( ) - PMUV0ID, data->vectorData( ) );
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else
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kdError( PMArea ) << "Wrong ID in PMBicubicPatch::restoreMemento\n";
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break;
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}
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}
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}
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Base::restoreMemento( s );
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}
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void PMBicubicPatch::createViewStructure( )
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{
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int u, v, i, j;
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int uSteps = m_numUSteps, vSteps = m_numVSteps;
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if( uSteps > 5 ) uSteps = 5;
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if( vSteps > 5 ) vSteps = 5;
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if( uSteps < 0 ) uSteps = 0;
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if( vSteps < 0 ) vSteps = 0;
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// bugfix: Swap u and v
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int segmentsU = pmpot( 2, vSteps );
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int segmentsV = pmpot( 2, uSteps );
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int np = ( segmentsU + 1 ) * ( segmentsV + 1 );
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int nl = segmentsU * ( segmentsV + 1 ) + ( segmentsU + 1 ) * segmentsV;
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int offset = 0;
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if( !m_pViewStructure )
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{
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m_pViewStructure = new PMViewStructure( np, nl );
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m_vsUSteps = uSteps + 1;
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}
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else
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{
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if( m_pViewStructure->points( ).size( ) != ( unsigned ) np )
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m_pViewStructure->points( ).resize( np );
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if( m_pViewStructure->lines( ).size( ) != ( unsigned ) nl )
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m_pViewStructure->lines( ).resize( nl );
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}
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if( ( m_vsUSteps != uSteps ) || ( m_vsVSteps != vSteps ) )
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{
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PMLineArray& lines = m_pViewStructure->lines( );
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int poffset = 0;
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for( v = 0; v < ( segmentsV + 1 ); v++ )
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{
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for( u = 0; u < segmentsU; u++ )
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{
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lines[offset + u] = PMLine( poffset, poffset + 1 );
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poffset++;
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}
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poffset++;
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offset += segmentsU;
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}
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poffset = 0;
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for( v = 0; v < segmentsV; v++ )
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{
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for( u = 0; u < ( segmentsU + 1 ); u++ )
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{
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lines[offset + u] = PMLine( poffset, poffset + segmentsU + 1 );
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poffset++;
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}
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offset += segmentsU + 1;
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}
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m_vsUSteps = uSteps;
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m_vsVSteps = vSteps;
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}
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PMPointArray& points = m_pViewStructure->points( );
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offset = 0;
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double incU = 1.0 / segmentsU;
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double incV = 1.0 / segmentsV;
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PMVector* hp[4];
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for( v = 0; v < 4; v++ )
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hp[v] = new PMVector[segmentsU+1];
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PMVector tp[4];
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double cu, cv;
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// points in u direction
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for( v = 0; v < 4; v++ )
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{
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for( u = 1; u < segmentsU; u++ )
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{
|
|
cu = u * incU;
|
|
|
|
for( i = 0; i < 4; i++ )
|
|
tp[i] = m_point[v*4+i];
|
|
for( i = 3; i > 0; i-- )
|
|
for( j = 0; j < i; j++ )
|
|
tp[j] = tp[j] * ( 1 - cu ) + tp[j+1] * cu;
|
|
hp[v][u] = tp[0];
|
|
}
|
|
hp[v][0] = m_point[v*4];
|
|
hp[v][segmentsU] = m_point[v*4+3];
|
|
}
|
|
|
|
for( v = 0; v <= segmentsV; v++ )
|
|
{
|
|
cv = v * incV;
|
|
for( u = 0; u <= segmentsU; u++ )
|
|
{
|
|
for( i = 0; i < 4; i++ )
|
|
tp[i] = hp[i][u];
|
|
for( i = 3; i > 0; i-- )
|
|
for( j = 0; j < i; j++ )
|
|
tp[j] = tp[j] * ( 1 - cv ) + tp[j+1] * cv;
|
|
points[offset] = tp[0];
|
|
offset++;
|
|
}
|
|
}
|
|
|
|
for( v = 0; v < 4; v++ )
|
|
delete[] hp[v];
|
|
}
|
|
|
|
void PMBicubicPatch::controlPoints( PMControlPointList& list )
|
|
{
|
|
int u, v;
|
|
for( v = 0; v < 4; v++ )
|
|
for( u = 0; u < 4; u++ )
|
|
list.append( new PM3DControlPoint( m_point[u+v*4], u+v*4,
|
|
i18n( "Point (%1, %2)" ).tqarg( u ).tqarg( v ) ) );
|
|
}
|
|
|
|
void PMBicubicPatch::controlPointsChanged( PMControlPointList& list )
|
|
{
|
|
PMControlPoint* p;
|
|
|
|
for( p = list.first( ); p; p = list.next( ) )
|
|
{
|
|
if( p->changed( ) )
|
|
{
|
|
setControlPoint( p->id( ), p->position( ) );
|
|
}
|
|
}
|
|
}
|