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770 lines
22 KiB
770 lines
22 KiB
/*
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**************************************************************************
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description
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--------------------
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copyright : (C) 2000-2001 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 "pmcamera.h"
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#include "pmxmlhelper.h"
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#include "pmcameraedit.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 "pmvectorcontrolpoint.h"
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#include "pmenumproperty.h"
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#include <klocale.h>
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PMDefinePropertyClass( PMCamera, PMCameraProperty );
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PMDefineEnumPropertyClass( PMCamera, PMCamera::CameraType,
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PMCameraTypeProperty );
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PMViewStructure* PMCamera::s_pDefaultViewStructure = 0;
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PMMetaObject* PMCamera::s_pMetaObject = 0;
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PMObject* createNewCamera( PMPart* part )
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{
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return new PMCamera( part );
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}
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const PMVector locationDefault = PMVector( 0.0, 0.0, 0.0 );
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const PMVector lookAtDefault = PMVector( 0.0, 0.0, 1.0 );
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const PMVector directionDefault = PMVector( 0.0, 0.0, 1.0 );
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const PMVector upDefault = PMVector( 0.0, 1.0, 0.0 );
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const PMVector rightDefault = PMVector( 4.0/3.0, 0.0, 0.0 );
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const PMVector skyDefault = PMVector( 0.0, 1.0, 0.0 );
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//const double aspectDefault = 1.0;
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const bool angleEnabledDefault = false;
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const double angleDefault = 90.0;
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const PMCamera::CameraType cameraTypeDefault = PMCamera::Perspective;
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const int cylinderTypeDefault = 1;
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const bool focalBlurDefault = false;
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const double apertureDefault = 0.4;
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const int blurSamplesDefault = 10;
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const PMVector focalPointDefault = PMVector( 0.0, 0.0, 0.0 );
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const double confidenceDefault = 0.9;
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const double varianceDefault = 0.008;
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const bool c_defaultExport = true;
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PMCamera::PMCamera( PMPart* part )
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: Base( part )
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{
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m_location = locationDefault;
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m_lookAt = lookAtDefault;
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m_direction = directionDefault;
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m_up = upDefault;
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m_right = rightDefault;
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m_sky = skyDefault;
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m_angle = angleDefault;
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m_angleEnabled = angleEnabledDefault;
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m_cameraType = cameraTypeDefault;
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m_cylinderType = cylinderTypeDefault;
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m_focalBlurEnabled = focalBlurDefault;
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m_aperture = apertureDefault;
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m_blurSamples = blurSamplesDefault;
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m_focalPoint = focalPointDefault;
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m_confidence = confidenceDefault;
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m_variance = varianceDefault;
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m_export = c_defaultExport;
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}
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PMCamera::PMCamera( const PMCamera& c )
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: Base( c )
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{
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m_location = c.m_location;
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m_lookAt = c.m_lookAt;
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m_direction = c.m_direction;
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m_up = c.m_up;
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m_right = c.m_right;
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m_sky = c.m_sky;
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m_angle = c.m_angle;
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m_angleEnabled = c.m_angleEnabled;
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m_cameraType = c.m_cameraType;
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m_cylinderType = c.m_cylinderType;
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m_focalBlurEnabled = c.m_focalBlurEnabled;
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m_aperture = c.m_aperture;
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m_blurSamples = c.m_blurSamples;
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m_focalPoint = c.m_focalPoint;
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m_confidence = c.m_confidence;
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m_variance = c.m_variance;
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m_export = c.m_export;
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}
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PMCamera::~PMCamera( )
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{
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}
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TQString PMCamera::description( ) const
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{
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return i18n( "camera" );
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}
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void PMCamera::serialize( TQDomElement& e, TQDomDocument& doc ) const
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{
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e.setAttribute( "camera_type", cameraTypeToString( m_cameraType ) );
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e.setAttribute( "cylinder_type", m_cylinderType );
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e.setAttribute( "location", m_location.serializeXML( ) );
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e.setAttribute( "sky", m_sky.serializeXML( ) );
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e.setAttribute( "direction", m_direction.serializeXML( ) );
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e.setAttribute( "right", m_right.serializeXML( ) );
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e.setAttribute( "up", m_up.serializeXML( ) );
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e.setAttribute( "look_at", m_lookAt.serializeXML( ) );
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e.setAttribute( "angle_enabled", m_angleEnabled );
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e.setAttribute( "angle", m_angle );
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e.setAttribute( "focal_blur", m_focalBlurEnabled );
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e.setAttribute( "aperture", m_aperture );
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e.setAttribute( "blur_samples", m_blurSamples );
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e.setAttribute( "focal_point", m_focalPoint.serializeXML( ) );
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e.setAttribute( "confidence", m_confidence );
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e.setAttribute( "variance", m_variance );
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e.setAttribute( "export", m_export );
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Base::serialize( e, doc );
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}
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void PMCamera::readAttributes( const PMXMLHelper& h )
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{
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m_cameraType = stringToCameraType( h.stringAttribute( "camera_type",
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"perspective" ) );
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m_cylinderType = h.intAttribute( "cylinder_type", cylinderTypeDefault );
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m_location = h.vectorAttribute( "location", locationDefault );
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m_sky = h.vectorAttribute( "sky", skyDefault );
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m_direction = h.vectorAttribute( "direction", directionDefault );
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m_right = h.vectorAttribute( "right", rightDefault );
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m_up = h.vectorAttribute( "up", upDefault );
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m_lookAt = h.vectorAttribute( "look_at", lookAtDefault );
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m_angleEnabled = h.boolAttribute( "angle_enabled", angleEnabledDefault );
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m_angle = h.doubleAttribute( "angle", angleDefault );
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m_focalBlurEnabled = h.boolAttribute( "focal_blur", focalBlurDefault );
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m_aperture = h.doubleAttribute( "aperture", apertureDefault );
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m_blurSamples = h.intAttribute( "blur_samples", blurSamplesDefault );
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m_focalPoint = h.vectorAttribute( "focal_point", focalPointDefault );
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m_confidence = h.doubleAttribute( "confidence", confidenceDefault );
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m_variance = h.doubleAttribute( "variance", varianceDefault );
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m_export = h.boolAttribute( "export", c_defaultExport );
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Base::readAttributes( h );
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}
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PMMetaObject* PMCamera::metaObject( ) const
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{
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if( !s_pMetaObject )
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{
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s_pMetaObject = new PMMetaObject( "Camera", Base::metaObject( ),
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createNewCamera );
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s_pMetaObject->addProperty(
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new PMCameraProperty( "location", &PMCamera::setLocation,
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&PMCamera::location ) );
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s_pMetaObject->addProperty(
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new PMCameraProperty( "lookAt", &PMCamera::setLookAt,
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&PMCamera::lookAt ) );
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s_pMetaObject->addProperty(
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new PMCameraProperty( "up", &PMCamera::setUp,
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&PMCamera::up ) );
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s_pMetaObject->addProperty(
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new PMCameraProperty( "right", &PMCamera::setRight,
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&PMCamera::right ) );
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s_pMetaObject->addProperty(
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new PMCameraProperty( "direction", &PMCamera::setDirection,
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&PMCamera::direction ) );
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s_pMetaObject->addProperty(
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new PMCameraProperty( "sky", &PMCamera::setSky,
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&PMCamera::sky ) );
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s_pMetaObject->addProperty(
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new PMCameraProperty( "aspect", 0, &PMCamera::aspect ) );
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s_pMetaObject->addProperty(
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new PMCameraProperty( "angleEnabled", &PMCamera::enableAngle,
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&PMCamera::isAngleEnabled ) );
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s_pMetaObject->addProperty(
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new PMCameraProperty( "angle", &PMCamera::setAngle,
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&PMCamera::angle ) );
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PMCameraTypeProperty* p = new PMCameraTypeProperty(
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"cameraType", &PMCamera::setCameraType,
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&PMCamera::cameraType );
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p->addEnumValue( "Perspective", Perspective );
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p->addEnumValue( "Orthographic", Orthographic );
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p->addEnumValue( "FishEye", FishEye );
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p->addEnumValue( "UltraWideAngle", UltraWideAngle );
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p->addEnumValue( "Omnimax", Omnimax );
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p->addEnumValue( "Panoramic", Panoramic );
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p->addEnumValue( "Cylinder", Cylinder );
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s_pMetaObject->addProperty( p );
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s_pMetaObject->addProperty(
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new PMCameraProperty( "cylinderType", &PMCamera::setCylinderType,
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&PMCamera::cylinderType ) );
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s_pMetaObject->addProperty(
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new PMCameraProperty( "focalBlurEnabled", &PMCamera::enableFocalBlur,
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&PMCamera::isFocalBlurEnabled ) );
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s_pMetaObject->addProperty(
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new PMCameraProperty( "aperture", &PMCamera::setAperture,
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&PMCamera::aperture ) );
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s_pMetaObject->addProperty(
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new PMCameraProperty( "blurSamples", &PMCamera::setBlurSamples,
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&PMCamera::blurSamples ) );
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s_pMetaObject->addProperty(
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new PMCameraProperty( "focalPoint", &PMCamera::setFocalPoint,
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&PMCamera::focalPoint ) );
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s_pMetaObject->addProperty(
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new PMCameraProperty( "confidence", &PMCamera::setConfidence,
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&PMCamera::confidence ) );
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s_pMetaObject->addProperty(
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new PMCameraProperty( "variance", &PMCamera::setVariance,
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&PMCamera::variance ) );
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s_pMetaObject->addProperty(
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new PMCameraProperty( "export", &PMCamera::setExportPovray,
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&PMCamera::exportPovray ) );
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}
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return s_pMetaObject;
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}
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void PMCamera::setLocation( const PMVector& p )
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{
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if( p != m_location )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMLocationID, m_location );
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m_location = p;
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m_location.resize( 3 );
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setViewStructureChanged( );
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}
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}
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void PMCamera::setLookAt( const PMVector& p )
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{
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if( p != m_lookAt )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMLookAtID, m_lookAt );
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m_lookAt = p;
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m_lookAt.resize( 3 );
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setViewStructureChanged( );
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}
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}
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void PMCamera::setUp( const PMVector& v )
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{
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if( v != m_up )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMUpID, m_up );
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m_up = v;
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m_up.resize( 3 );
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setViewStructureChanged( );
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}
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}
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void PMCamera::setRight( const PMVector& v )
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{
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if( v != m_right )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMRightID, m_right );
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m_right = v;
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m_right.resize( 3 );
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setViewStructureChanged( );
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}
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}
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void PMCamera::setDirection( const PMVector& v )
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{
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if( v != m_direction )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMDirectionID, m_direction );
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m_direction = v;
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m_direction.resize( 3 );
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setViewStructureChanged( );
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}
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}
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void PMCamera::setSky( const PMVector& v )
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{
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if( v != m_sky )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMSkyID, m_sky );
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m_sky = v;
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m_sky.resize( 3 );
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setViewStructureChanged( );
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}
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}
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double PMCamera::aspect( ) const
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{
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double d = m_up.abs( );
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if( approxZero( d ) )
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return 1.0;
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return m_right.abs( ) / d;
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}
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void PMCamera::enableAngle( bool yes )
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{
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if( yes != m_angleEnabled )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMAngleEnabledID, m_angleEnabled );
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m_angleEnabled = yes;
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setViewStructureChanged( );
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}
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}
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void PMCamera::setAngle( double a )
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{
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if( a != m_angle )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMAngleID, m_angle );
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m_angle = a;
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setViewStructureChanged( );
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}
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}
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void PMCamera::setCameraType( PMCamera::CameraType t )
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{
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if( t != m_cameraType )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMCameraTypeID, m_cameraType );
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m_cameraType = t;
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setViewStructureChanged( );
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}
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}
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void PMCamera::setCylinderType( int t )
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{
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if( ( t < 1 ) || ( t > 4 ) )
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kdError( PMArea ) << "Invalid type in PMCylinder::setCylinderType\n";
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else if( t != m_cylinderType )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMCylinderTypeID, m_cylinderType );
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m_cylinderType = t;
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setViewStructureChanged( );
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}
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}
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void PMCamera::enableFocalBlur( bool yes )
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{
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if( yes != m_focalBlurEnabled )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMFocalBlurID, m_focalBlurEnabled );
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m_focalBlurEnabled = yes;
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}
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}
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void PMCamera::setAperture( double a )
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{
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if( a < 0 )
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kdError( PMArea ) << "Aperture < 0 in PMCylinder::setAperture\n";
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else if( a != m_aperture )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMApertureID, m_aperture );
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m_aperture = a;
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}
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}
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void PMCamera::setBlurSamples( int s )
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{
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if( s < 0 )
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kdError( PMArea ) << "Samples < 0 in PMCylinder::setBlutSamples\n";
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else if( s != m_blurSamples )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMBlurSamplesID, m_blurSamples );
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m_blurSamples = s;
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}
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}
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void PMCamera::setFocalPoint( const PMVector& v )
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{
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if( v != m_focalPoint )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMFocalPointID, m_focalPoint );
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m_focalPoint = v;
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}
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}
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void PMCamera::setConfidence( double c )
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{
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if( ( c < 0.0 ) || ( c > 1.0 ) )
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kdError( PMArea ) << "Confidence not in [0.0 1.0] in PMCylinder::setConfidence\n";
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else if( c != m_confidence )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMConfidenceID, m_confidence );
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m_confidence = c;
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}
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}
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void PMCamera::setVariance( double v )
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{
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if( v < 0 )
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kdError( PMArea ) << "Variance < 0 in PMCylinder::setVariance\n";
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else if( v != m_variance )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMVarianceID, m_variance );
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m_variance = v;
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}
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}
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void PMCamera::setExportPovray( bool ex )
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{
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if( m_export != ex )
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{
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if( m_pMemento )
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m_pMemento->addData( s_pMetaObject, PMExportID, m_export );
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m_export = ex;
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}
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}
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PMDialogEditBase* PMCamera::editWidget( TQWidget* parent ) const
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{
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return new PMCameraEdit( parent );
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}
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void PMCamera::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 PMLocationID:
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setLocation( data->vectorData( ) );
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break;
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case PMLookAtID:
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setLookAt( data->vectorData( ) );
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break;
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case PMUpID:
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setUp( data->vectorData( ) );
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break;
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case PMRightID:
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setRight( data->vectorData( ) );
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break;
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case PMDirectionID:
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setDirection( data->vectorData( ) );
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break;
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case PMSkyID:
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setSky( data->vectorData( ) );
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break;
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case PMAngleEnabledID:
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enableAngle( data->boolData( ) );
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break;
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case PMAngleID:
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setAngle( data->doubleData( ) );
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break;
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case PMCameraTypeID:
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setCameraType( ( CameraType ) data->intData( ) );
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break;
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case PMCylinderTypeID:
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setCylinderType( data->intData( ) );
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break;
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case PMFocalBlurID:
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enableFocalBlur( data->boolData( ) );
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break;
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case PMBlurSamplesID:
|
|
setBlurSamples( data->intData( ) );
|
|
break;
|
|
case PMFocalPointID:
|
|
setFocalPoint( data->vectorData( ) );
|
|
break;
|
|
case PMConfidenceID:
|
|
setConfidence( data->doubleData( ) );
|
|
break;
|
|
case PMVarianceID:
|
|
setVariance( data->doubleData( ) );
|
|
break;
|
|
case PMApertureID:
|
|
setAperture( data->doubleData( ) );
|
|
break;
|
|
case PMExportID:
|
|
setExportPovray( data->boolData( ) );
|
|
break;
|
|
default:
|
|
kdError( PMArea ) << "Wrong ID in PMCamera::restoreMemento\n";
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
Base::restoreMemento( s );
|
|
}
|
|
|
|
void PMCamera::createViewStructure( )
|
|
{
|
|
PMVector newUp, newRight, newDirection, tmp;
|
|
double upLen, rightLen;
|
|
|
|
if( !m_pViewStructure )
|
|
{
|
|
m_pViewStructure = new PMViewStructure( defaultViewStructure( ) );
|
|
m_pViewStructure->points( ).detach( );
|
|
}
|
|
|
|
PMPointArray& points = m_pViewStructure->points( );
|
|
calculateLookAtAngle( newRight, newUp, newDirection );
|
|
|
|
points[0] = m_lookAt;
|
|
points[1] = m_location;
|
|
|
|
upLen = newUp.abs( );
|
|
rightLen = newRight.abs( );
|
|
if( rightLen > upLen )
|
|
{
|
|
newUp /= rightLen;
|
|
newRight /= rightLen;
|
|
newDirection /= rightLen;
|
|
}
|
|
else
|
|
{
|
|
newUp /= upLen;
|
|
newRight /= upLen;
|
|
newDirection /= upLen;
|
|
}
|
|
|
|
newRight /= 2.0;
|
|
newUp /= 2.0;
|
|
tmp = m_location + newDirection;
|
|
points[2] = tmp - newRight + newUp;
|
|
points[3] = tmp - newRight - newUp;
|
|
points[4] = tmp + newRight - newUp;
|
|
points[5] = tmp + newRight + newUp;
|
|
// points[6] = m_location + m_sky;
|
|
}
|
|
|
|
PMViewStructure* PMCamera::defaultViewStructure( ) const
|
|
{
|
|
if( !s_pDefaultViewStructure )
|
|
{
|
|
s_pDefaultViewStructure = new PMViewStructure( 6, 9 );
|
|
PMLineArray& lines = s_pDefaultViewStructure->lines( );
|
|
|
|
lines[0] = PMLine( 0, 1 );
|
|
lines[1] = PMLine( 1, 2 );
|
|
lines[2] = PMLine( 1, 3 );
|
|
lines[3] = PMLine( 1, 4 );
|
|
lines[4] = PMLine( 1, 5 );
|
|
lines[5] = PMLine( 2, 3 );
|
|
lines[6] = PMLine( 2, 5 );
|
|
lines[7] = PMLine( 3, 4 );
|
|
lines[8] = PMLine( 4, 5 );
|
|
// lines[9] = PMLine( 1, 6 );
|
|
}
|
|
return s_pDefaultViewStructure;
|
|
}
|
|
|
|
void PMCamera::controlPoints( PMControlPointList& list )
|
|
{
|
|
PMControlPoint* p;
|
|
p = new PM3DControlPoint( m_location, PMLocationID, i18n( "Location" ) );
|
|
list.append( p );
|
|
list.append( new PM3DControlPoint( m_lookAt, PMLookAtID, i18n( "Look at" ) ) );
|
|
}
|
|
|
|
void PMCamera::controlPointsChanged( PMControlPointList& list )
|
|
{
|
|
PMControlPoint* p;
|
|
|
|
for( p = list.first( ); p; p = list.next( ) )
|
|
{
|
|
if( p->changed( ) )
|
|
{
|
|
switch( p->id( ) )
|
|
{
|
|
case PMLocationID:
|
|
setLocation( ( ( PM3DControlPoint* ) p )->point( ) );
|
|
break;
|
|
case PMLookAtID:
|
|
setLookAt( ( ( PM3DControlPoint* ) p )->point( ) );
|
|
break;
|
|
default:
|
|
kdError( PMArea ) << "Wrong ID in PMCamera::controlPointsChanged\n";
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void PMCamera::calculateLookAtAngle( PMVector& right, PMVector& up, PMVector& direction )
|
|
{
|
|
PMVector tmpVector;
|
|
double directionLen, upLen, rightLen, handedness, angle;
|
|
|
|
angle = m_angle;
|
|
if( m_cameraType == Perspective )
|
|
{
|
|
if( angle < 0.0 )
|
|
angle = angleDefault;
|
|
if( angle >= 180.0 )
|
|
angle = angleDefault;
|
|
}
|
|
else
|
|
angle = 90.0;
|
|
|
|
directionLen = m_direction.abs( );
|
|
upLen = m_up.abs( );
|
|
rightLen = m_right.abs( );
|
|
|
|
// for safety: if vector is null vector, use the default one
|
|
if( approxZero( directionLen ) )
|
|
{
|
|
direction = directionDefault;
|
|
directionLen = direction.abs( );
|
|
}
|
|
else
|
|
direction = m_direction;
|
|
|
|
if( approxZero( upLen ) )
|
|
{
|
|
up = upDefault;
|
|
upLen = up.abs( );
|
|
}
|
|
else
|
|
up = m_up;
|
|
|
|
if( approxZero( rightLen ) )
|
|
{
|
|
right = rightDefault;
|
|
rightLen = right.abs( );
|
|
}
|
|
else
|
|
right = m_right;
|
|
|
|
if( m_angleEnabled )
|
|
{
|
|
// calculate angle
|
|
direction /= directionLen;
|
|
directionLen = 0.5 * rightLen / tan( angle * M_PI / 360.0 );
|
|
direction *= directionLen;
|
|
}
|
|
|
|
// calculate handedness
|
|
tmpVector = PMVector::cross( up, direction );
|
|
handedness = PMVector::dot( tmpVector, right );
|
|
|
|
direction = m_lookAt - m_location;
|
|
if( approxZero( direction.abs( ) ) )
|
|
{
|
|
// Camera location and look_at point are the same
|
|
direction = directionDefault;
|
|
}
|
|
|
|
// normalize new direction
|
|
direction /= direction.abs( );
|
|
|
|
tmpVector = right;
|
|
right = PMVector::cross( m_sky, direction );
|
|
|
|
if( approxZero( right.abs( ) ) )
|
|
right = tmpVector;
|
|
|
|
right /= right.abs( );
|
|
up = PMVector::cross( direction, right );
|
|
direction *= directionLen;
|
|
|
|
if( handedness > 0.0 )
|
|
right *= rightLen;
|
|
else
|
|
right *= -rightLen;
|
|
up *= upLen;
|
|
}
|
|
|
|
TQString PMCamera::cameraTypeToString( PMCamera::CameraType t )
|
|
{
|
|
TQString str( "perspective" );
|
|
switch( t )
|
|
{
|
|
case Perspective:
|
|
break;
|
|
case Orthographic:
|
|
str = "orthographic";
|
|
break;
|
|
case FishEye:
|
|
str = "fisheye";
|
|
break;
|
|
case UltraWideAngle:
|
|
str = "ultra_wide_angle";
|
|
break;
|
|
case Omnimax:
|
|
str = "omnimax";
|
|
break;
|
|
case Panoramic:
|
|
str = "panoramic";
|
|
break;
|
|
case Cylinder:
|
|
str = "cylinder";
|
|
break;
|
|
}
|
|
return str;
|
|
}
|
|
|
|
PMCamera::CameraType PMCamera::stringToCameraType( const TQString& str )
|
|
{
|
|
CameraType t = Perspective;
|
|
|
|
if( str == "perspective" )
|
|
t = Perspective;
|
|
else if( str == "orthographic" )
|
|
t = Orthographic;
|
|
else if( str == "fisheye" )
|
|
t = FishEye;
|
|
else if( str == "ultra_wide_angle" )
|
|
t = UltraWideAngle;
|
|
else if( str == "omnimax" )
|
|
t = Omnimax;
|
|
else if( str == "panoramic" )
|
|
t = Panoramic;
|
|
else if( str == "cylinder" )
|
|
t = Cylinder;
|
|
else
|
|
kdDebug( PMArea ) << "Unknown camera type\n";
|
|
|
|
return t;
|
|
}
|
|
|
|
void PMCamera::cleanUp( ) const
|
|
{
|
|
if( s_pDefaultViewStructure )
|
|
{
|
|
delete s_pDefaultViewStructure;
|
|
s_pDefaultViewStructure = 0;
|
|
}
|
|
if( s_pMetaObject )
|
|
{
|
|
delete s_pMetaObject;
|
|
s_pMetaObject = 0;
|
|
}
|
|
|
|
Base::cleanUp( );
|
|
}
|