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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit47d455dd55be855e4cc691c32f687f723d9247ee (patch)
tree52e236aaa2576bdb3840ebede26619692fed6d7d /kpovmodeler/pmbicubicpatch.cpp
downloadtdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.tar.gz
tdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'kpovmodeler/pmbicubicpatch.cpp')
-rw-r--r--kpovmodeler/pmbicubicpatch.cpp544
1 files changed, 544 insertions, 0 deletions
diff --git a/kpovmodeler/pmbicubicpatch.cpp b/kpovmodeler/pmbicubicpatch.cpp
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+++ b/kpovmodeler/pmbicubicpatch.cpp
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+/*
+**************************************************************************
+ description
+ --------------------
+ copyright : (C) 2001-2002 by Andreas Zehender
+ email : zehender@kde.org
+**************************************************************************
+
+**************************************************************************
+* *
+* This program is free software; you can redistribute it and/or modify *
+* it under the terms of the GNU General Public License as published by *
+* the Free Software Foundation; either version 2 of the License, or *
+* (at your option) any later version. *
+* *
+**************************************************************************/
+
+
+#include "pmbicubicpatch.h"
+
+#include "pmxmlhelper.h"
+#include "pmbicubicpatchedit.h"
+#include "pmmemento.h"
+#include "pmviewstructure.h"
+#include "pm3dcontrolpoint.h"
+#include "pmmath.h"
+
+#include <klocale.h>
+
+const double c_defaultPatchSize = 6.0;
+const int c_defaultPatchType = 0;
+const int c_defaultPatchUSteps = 3;
+const int c_defaultPatchVSteps = 3;
+const double c_defaultPatchFlatness = 0;
+const PMVector c_defaultUVVector0 = PMVector( 0.0, 0.0 );
+const PMVector c_defaultUVVector1 = PMVector( 1.0, 0.0 );
+const PMVector c_defaultUVVector2 = PMVector( 1.0, 1.0 );
+const PMVector c_defaultUVVector3 = PMVector( 0.0, 1.0 );
+
+PMDefinePropertyClass( PMBicubicPatch, PMBicubicPatchProperty );
+
+class PMPointProperty : public PMPropertyBase
+{
+public:
+ PMPointProperty( )
+ : PMPropertyBase( "controlPoints", PMVariant::Vector )
+ {
+ m_index = 0;
+ }
+ virtual int dimensions( ) const { return 1; }
+ virtual void setIndex( int /*dimension*/, int index )
+ {
+ if( index < 0 || index > 15 )
+ kdError( PMArea ) << "Illegal index in PMBicubicPatch::PointProperty::setIndex" << endl;
+ else
+ m_index = index;
+ }
+ virtual int size( PMObject* /*object*/, int /*dimension*/ ) const
+ {
+ return 16;
+ }
+protected:
+ virtual bool setProtected( PMObject* obj, const PMVariant& v )
+ {
+ PMBicubicPatch* p = ( PMBicubicPatch* ) obj;
+ p->setControlPoint( m_index, v.vectorData( ) );
+ return true;
+ }
+ virtual PMVariant getProtected( const PMObject* obj )
+ {
+ const PMBicubicPatch* p = ( const PMBicubicPatch* ) obj;
+ return PMVariant( p->controlPoint( m_index ) );
+ }
+
+private:
+ int m_index;
+};
+
+class PMUVVectorProperty : public PMPropertyBase
+{
+public:
+ PMUVVectorProperty( )
+ : PMPropertyBase( "uvVectors", PMVariant::Vector )
+ {
+ m_index = 0;
+ }
+ virtual int dimensions( ) const { return 1; }
+ virtual void setIndex( int /*dimension*/, int index )
+ {
+ if( index < 0 || index > 3 )
+ kdError( PMArea ) << "Illegal index in PMBicubicPatch::UVVectorProperty::setIndex" << endl;
+ else
+ m_index = index;
+ }
+ virtual int size( PMObject* /*object*/, int /*dimension*/ ) const
+ {
+ return 3;
+ }
+protected:
+ virtual bool setProtected( PMObject* obj, const PMVariant& v )
+ {
+ PMBicubicPatch* p = ( PMBicubicPatch* ) obj;
+ p->setUVVector( m_index, v.vectorData( ) );
+ return true;
+ }
+ virtual PMVariant getProtected( const PMObject* obj )
+ {
+ const PMBicubicPatch* p = ( const PMBicubicPatch* ) obj;
+ return PMVariant( p->uvVector( m_index ) );
+ }
+
+private:
+ int m_index;
+};
+
+PMMetaObject* PMBicubicPatch::s_pMetaObject = 0;
+PMObject* createNewBicubicPatch( PMPart* part )
+{
+ return new PMBicubicPatch( part );
+}
+
+PMBicubicPatch::PMBicubicPatch( PMPart* part )
+ : Base( part )
+{
+ int x, z;
+ double o = -c_defaultPatchSize / 2.0, s = c_defaultPatchSize / 3.0;
+ m_patchType = c_defaultPatchType;
+ m_numUSteps = c_defaultPatchUSteps;
+ m_numVSteps = c_defaultPatchVSteps;
+ m_flatness = c_defaultPatchFlatness;
+ for( x = 0; x < 4; x++ )
+ for( z = 0; z < 4; z++ )
+ m_point[x+z*4] = PMVector( o + s * x, 0, o + s * z );
+ m_vsUSteps = 0;
+ m_vsVSteps = 0;
+ m_uvEnabled = false;
+ m_uvVectors[0] = c_defaultUVVector0;
+ m_uvVectors[1] = c_defaultUVVector1;
+ m_uvVectors[2] = c_defaultUVVector2;
+ m_uvVectors[3] = c_defaultUVVector3;
+}
+
+PMBicubicPatch::PMBicubicPatch( const PMBicubicPatch& p )
+ : Base( p )
+{
+ int i;
+ m_patchType = p.m_patchType;
+ m_numUSteps = p.m_numUSteps;
+ m_numVSteps = p.m_numVSteps;
+ m_flatness = p.m_flatness;
+ for( i = 0; i < 16; i++ )
+ m_point[i] = p.m_point[i];
+ m_vsUSteps = 0;
+ m_vsVSteps = 0;
+ m_uvEnabled = p.m_uvEnabled;
+ for( i = 0; i < 4; ++i )
+ m_uvVectors[i] = p.m_uvVectors[i];
+}
+
+PMBicubicPatch::~PMBicubicPatch( )
+{
+}
+
+QString PMBicubicPatch::description( ) const
+{
+ return i18n( "bicubic patch" );
+}
+
+void PMBicubicPatch::serialize( QDomElement& e, QDomDocument& doc ) const
+{
+ int i;
+
+ e.setAttribute( "type", m_patchType );
+ e.setAttribute( "flatness", m_flatness );
+ e.setAttribute( "uSteps", m_numUSteps );
+ e.setAttribute( "vSteps", m_numVSteps );
+ e.setAttribute( "uvEnabled", m_uvEnabled );
+
+ for( i = 0; i < 16; i++ )
+ e.setAttribute( QString( "cp%1" ).arg( i ), m_point[i].serializeXML( ) );
+
+ for( i = 0; i < 4; ++i )
+ e.setAttribute( QString( "uv%1" ).arg( i ), m_uvVectors[i].serializeXML( ) );
+
+ Base::serialize( e, doc );
+}
+
+void PMBicubicPatch::readAttributes( const PMXMLHelper& h )
+{
+ int u, v;
+ double o = -c_defaultPatchSize / 2.0, s = c_defaultPatchSize / 3.0;
+
+ m_patchType = h.intAttribute( "type", c_defaultPatchType );
+ m_flatness = h.doubleAttribute( "flatness", c_defaultPatchFlatness );
+ m_numUSteps = h.intAttribute( "uSteps", c_defaultPatchUSteps );
+ m_numVSteps = h.intAttribute( "vSteps", c_defaultPatchVSteps );
+ m_uvEnabled = h.boolAttribute( "uvEnabled", m_uvEnabled );
+
+ for( v = 0; v < 4; v++ )
+ for( u = 0; u < 4; u++ )
+ m_point[u+v*4] = h.vectorAttribute( QString( "cp%1" ).arg( u+v*4 ),
+ PMVector( o + s * u, 0, o + s * v ) );
+
+ m_uvVectors[0] = h.vectorAttribute( "uv0", c_defaultUVVector0 );
+ m_uvVectors[1] = h.vectorAttribute( "uv1", c_defaultUVVector1 );
+ m_uvVectors[2] = h.vectorAttribute( "uv2", c_defaultUVVector2 );
+ m_uvVectors[3] = h.vectorAttribute( "uv3", c_defaultUVVector3 );
+
+ Base::readAttributes( h );
+}
+
+PMMetaObject* PMBicubicPatch::metaObject( ) const
+{
+ if( !s_pMetaObject )
+ {
+ s_pMetaObject = new PMMetaObject( "BicubicPatch", Base::metaObject( ),
+ createNewBicubicPatch );
+ s_pMetaObject->addProperty(
+ new PMBicubicPatchProperty( "patchType", &PMBicubicPatch::setPatchType,
+ &PMBicubicPatch::patchType ) );
+ s_pMetaObject->addProperty(
+ new PMBicubicPatchProperty( "uSteps", &PMBicubicPatch::setUSteps,
+ &PMBicubicPatch::uSteps ) );
+ s_pMetaObject->addProperty(
+ new PMBicubicPatchProperty( "vSteps", &PMBicubicPatch::setVSteps,
+ &PMBicubicPatch::vSteps ) );
+ s_pMetaObject->addProperty(
+ new PMBicubicPatchProperty( "flatness", &PMBicubicPatch::setFlatness,
+ &PMBicubicPatch::flatness ) );
+ s_pMetaObject->addProperty(
+ new PMBicubicPatchProperty( "uvEnabled", &PMBicubicPatch::enableUV,
+ &PMBicubicPatch::isUVEnabled ) );
+ s_pMetaObject->addProperty( new PMPointProperty( ) );
+ s_pMetaObject->addProperty( new PMUVVectorProperty( ) );
+ }
+ return s_pMetaObject;
+}
+
+void PMBicubicPatch::cleanUp( ) const
+{
+ if( s_pMetaObject )
+ {
+ delete s_pMetaObject;
+ s_pMetaObject = 0;
+ }
+ Base::cleanUp( );
+}
+
+void PMBicubicPatch::setPatchType( int patchType )
+{
+ if( ( patchType == 0 ) || ( patchType == 1 ) )
+ {
+ if( patchType != m_patchType )
+ {
+ if( m_pMemento )
+ m_pMemento->addData( s_pMetaObject, PMTypeID, m_patchType );
+ m_patchType = patchType;
+ }
+ }
+ else
+ kdError( PMArea ) << "Wrong type in PMBicubicPatch::setPatchType( )\n";
+}
+
+void PMBicubicPatch::setFlatness( double flatness )
+{
+ if( flatness >= 0.0 )
+ {
+ if( flatness != m_flatness )
+ {
+ if( m_pMemento )
+ m_pMemento->addData( s_pMetaObject, PMFlatnessID, m_flatness );
+ m_flatness = flatness;
+ }
+ }
+ else
+ kdError( PMArea ) << "Flatness has to be >= 0 in PMBicubicPatch::setFlatness( )\n";
+}
+
+void PMBicubicPatch::setUSteps( int steps )
+{
+ if( steps >= 0 )
+ {
+ if( steps != m_numUSteps )
+ {
+ if( m_pMemento )
+ m_pMemento->addData( s_pMetaObject, PMUStepsID, m_numUSteps );
+ m_numUSteps = steps;
+ setViewStructureChanged( );
+ }
+ }
+ else
+ kdError( PMArea ) << "uSteps has to be >= 0 in PMBicubicPatch::setUSteps( )\n";
+}
+
+void PMBicubicPatch::setVSteps( int steps )
+{
+ if( steps >= 0 )
+ {
+ if( steps != m_numVSteps )
+ {
+ if( m_pMemento )
+ m_pMemento->addData( s_pMetaObject, PMVStepsID, m_numVSteps );
+ m_numVSteps = steps;
+ setViewStructureChanged( );
+ }
+ }
+ else
+ kdError( PMArea ) << "vSteps has to be >= 0 in PMBicubicPatch::setVSteps( )\n";
+}
+
+void PMBicubicPatch::setControlPoint( int i, const PMVector& p )
+{
+ if( ( i >= 0 ) && ( i <= 15 ) )
+ {
+ if( p != m_point[i] )
+ {
+ if( m_pMemento )
+ m_pMemento->addData( s_pMetaObject, PMCP0ID + i, m_point[i] );
+ m_point[i] = p;
+ setViewStructureChanged( );
+ }
+ }
+ else
+ kdError( PMArea ) << "Wrong index in PMBicubicPatch::setControlPoint( )\n";
+}
+
+PMVector PMBicubicPatch::controlPoint( int i ) const
+{
+ if( ( i >= 0 ) && ( i <= 15 ) )
+ return m_point[i];
+ else
+ kdError( PMArea ) << "Wrong index in PMBicubicPatch::controlPoint( )\n";
+ return PMVector( 0, 0, 0 );
+}
+
+void PMBicubicPatch::enableUV( bool yes )
+{
+ if( yes != m_uvEnabled )
+ {
+ if( m_pMemento )
+ m_pMemento->addData( s_pMetaObject, PMUVEnabledID, m_uvEnabled );
+ m_uvEnabled = yes;
+ }
+}
+
+void PMBicubicPatch::setUVVector( int i, const PMVector& v )
+{
+ if ( i >= 0 && i < 4 )
+ {
+ if( m_pMemento )
+ m_pMemento->addData( s_pMetaObject, PMUV0ID + i, m_uvVectors[i] );
+ m_uvVectors[i] = v;
+ m_uvVectors[i].resize( 2 );
+ }
+ else
+ kdError( PMArea ) << "Wrong index in PMBicubicPatch::setUVVector\n";
+}
+
+PMVector PMBicubicPatch::uvVector( int i ) const
+{
+ if( i >= 0 && i < 4 )
+ return m_uvVectors[i];
+ else
+ kdError( PMArea ) << "Wrong index in PMBicubicPatch::uvVector\n";
+ return PMVector( 0.0, 0.0 );
+}
+
+PMDialogEditBase* PMBicubicPatch::editWidget( QWidget* parent ) const
+{
+ return new PMBicubicPatchEdit( parent );
+}
+
+void PMBicubicPatch::restoreMemento( PMMemento* s )
+{
+ PMMementoDataIterator it( s );
+ PMMementoData* data;
+
+ for( ; it.current( ); ++it )
+ {
+ data = it.current( );
+ if( data->objectType( ) == s_pMetaObject )
+ {
+ switch( data->valueID( ) )
+ {
+ case PMTypeID:
+ setPatchType( data->intData( ) );
+ break;
+ case PMFlatnessID:
+ setFlatness( data->doubleData( ) );
+ break;
+ case PMUStepsID:
+ setUSteps( data->intData( ) );
+ break;
+ case PMVStepsID:
+ setVSteps( data->intData( ) );
+ break;
+ case PMUVEnabledID:
+ enableUV( data->boolData( ) );
+ break;
+ default:
+ if( ( data->valueID( ) >= PMCP0ID ) && ( data->valueID( ) <= PMCP15ID ) )
+ setControlPoint( data->valueID( ) - PMCP0ID, data->vectorData( ) );
+ else if ( data->valueID( ) >= PMUV0ID && data->valueID( ) <= PMUV3ID )
+ setUVVector( data->valueID( ) - PMUV0ID, data->vectorData( ) );
+ else
+ kdError( PMArea ) << "Wrong ID in PMBicubicPatch::restoreMemento\n";
+ break;
+ }
+ }
+ }
+ Base::restoreMemento( s );
+}
+
+void PMBicubicPatch::createViewStructure( )
+{
+ int u, v, i, j;
+ int uSteps = m_numUSteps, vSteps = m_numVSteps;
+ if( uSteps > 5 ) uSteps = 5;
+ if( vSteps > 5 ) vSteps = 5;
+ if( uSteps < 0 ) uSteps = 0;
+ if( vSteps < 0 ) vSteps = 0;
+
+ // bugfix: Swap u and v
+ int segmentsU = pmpot( 2, vSteps );
+ int segmentsV = pmpot( 2, uSteps );
+
+ int np = ( segmentsU + 1 ) * ( segmentsV + 1 );
+ int nl = segmentsU * ( segmentsV + 1 ) + ( segmentsU + 1 ) * segmentsV;
+
+ int offset = 0;
+
+ if( !m_pViewStructure )
+ {
+ m_pViewStructure = new PMViewStructure( np, nl );
+ m_vsUSteps = uSteps + 1;
+ }
+ else
+ {
+ if( m_pViewStructure->points( ).size( ) != ( unsigned ) np )
+ m_pViewStructure->points( ).resize( np );
+ if( m_pViewStructure->lines( ).size( ) != ( unsigned ) nl )
+ m_pViewStructure->lines( ).resize( nl );
+ }
+
+ if( ( m_vsUSteps != uSteps ) || ( m_vsVSteps != vSteps ) )
+ {
+ PMLineArray& lines = m_pViewStructure->lines( );
+ int poffset = 0;
+ for( v = 0; v < ( segmentsV + 1 ); v++ )
+ {
+ for( u = 0; u < segmentsU; u++ )
+ {
+ lines[offset + u] = PMLine( poffset, poffset + 1 );
+ poffset++;
+ }
+ poffset++;
+ offset += segmentsU;
+ }
+ poffset = 0;
+ for( v = 0; v < segmentsV; v++ )
+ {
+ for( u = 0; u < ( segmentsU + 1 ); u++ )
+ {
+ lines[offset + u] = PMLine( poffset, poffset + segmentsU + 1 );
+ poffset++;
+ }
+ offset += segmentsU + 1;
+ }
+ m_vsUSteps = uSteps;
+ m_vsVSteps = vSteps;
+ }
+
+ PMPointArray& points = m_pViewStructure->points( );
+
+ offset = 0;
+ double incU = 1.0 / segmentsU;
+ double incV = 1.0 / segmentsV;
+
+ PMVector* hp[4];
+ for( v = 0; v < 4; v++ )
+ hp[v] = new PMVector[segmentsU+1];
+
+ PMVector tp[4];
+
+ double cu, cv;
+
+ // points in u direction
+ for( v = 0; v < 4; v++ )
+ {
+ for( u = 1; u < segmentsU; u++ )
+ {
+ 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)" ).arg( u ).arg( v ) ) );
+}
+
+void PMBicubicPatch::controlPointsChanged( PMControlPointList& list )
+{
+ PMControlPoint* p;
+
+ for( p = list.first( ); p; p = list.next( ) )
+ {
+ if( p->changed( ) )
+ {
+ setControlPoint( p->id( ), p->position( ) );
+ }
+ }
+}