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tdegraphics/kpovmodeler/pmcameraedit.cpp

440 lines
16 KiB

/*
**************************************************************************
description
--------------------
copyright : (C) 2000-2001 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 "pmcameraedit.h"
#include "pmcamera.h"
#include "pmvectoredit.h"
#include "pmlineedits.h"
#include <tqlayout.h>
#include <tqlabel.h>
#include <tqcombobox.h>
#include <tqcheckbox.h>
#include <klocale.h>
#include <kmessagebox.h>
PMCameraEdit::PMCameraEdit( TQWidget* parent, const char* name )
: Base( parent, name )
{
m_pDisplayedObject = 0;
}
void PMCameraEdit::createTopWidgets( )
{
Base::createTopWidgets( );
TQGridLayout* layout;
TQLabel* label;
m_pCameraType = new TQComboBox( false, this );
m_pCameraType->insertItem( i18n( "Perspective" ) );
m_pCameraType->insertItem( i18n( "Orthographic" ) );
m_pCameraType->insertItem( i18n( "Fish Eye" ) );
m_pCameraType->insertItem( i18n( "Ultra Wide Angle" ) );
m_pCameraType->insertItem( i18n( "Omnimax" ) );
m_pCameraType->insertItem( i18n( "Panoramic" ) );
m_pCameraType->insertItem( i18n( "Cylinder" ) );
m_pCylinderType = new TQComboBox( false, this );
m_pCylinderType->insertItem( i18n( "1: Vertical, Fixed Viewpoint" ) );
m_pCylinderType->insertItem( i18n( "2: Horizontal, Fixed Viewpoint" ) );
m_pCylinderType->insertItem( i18n( "3: Vertical, Variable Viewpoint" ) );
m_pCylinderType->insertItem( i18n( "4: Horizontal, Variable Viewpoint" ) );
m_pLocation = new PMVectorEdit( "x", "y", "z", this );
m_pSky = new PMVectorEdit( "x", "y", "z", this );
m_pDirection = new PMVectorEdit( "x", "y", "z", this );
m_pRight = new PMVectorEdit( "x", "y", "z", this );
m_pUp = new PMVectorEdit( "x", "y", "z", this );
m_pLookAt = new PMVectorEdit( "x", "y", "z", this );
m_pAngle = new PMFloatEdit( this );
m_pAngle->setValidation( true, 0.0, true, 360.0 );
TQHBoxLayout* hl = new TQHBoxLayout( topLayout( ) );
hl->addWidget( new TQLabel( i18n( "Camera type:" ), this ) );
hl->addWidget( m_pCameraType );
hl = new TQHBoxLayout( topLayout( ) );
m_pCylinderTypeLabel = new TQLabel( i18n( "Cylinder type:" ), this );
hl->addWidget( m_pCylinderTypeLabel );
hl->addWidget( m_pCylinderType );
layout = new TQGridLayout( topLayout( ), 7, 2 );
layout->addWidget( new TQLabel( i18n( "Location:" ), this ), 0, 0 );
layout->addWidget( m_pLocation, 0, 1 );
layout->addWidget( new TQLabel( i18n( "Sky:" ), this ), 1, 0 );
layout->addWidget( m_pSky, 1, 1 );
layout->addWidget( new TQLabel( i18n( "Direction:" ), this ), 2, 0 );
layout->addWidget( m_pDirection, 2, 1 );
layout->addWidget( new TQLabel( i18n( "Right:" ), this ), 3, 0 );
layout->addWidget( m_pRight, 3, 1 );
layout->addWidget( new TQLabel( i18n( "Up:" ), this ), 4, 0 );
layout->addWidget( m_pUp, 4, 1 );
layout->addWidget( new TQLabel( i18n( "Look at:" ), this ), 5, 0 );
layout->addWidget( m_pLookAt, 5, 1 );
m_pEnableAngle = new TQCheckBox( i18n( "Angle:" ), this );
layout->addWidget( m_pEnableAngle, 6, 0 );
layout->addWidget( m_pAngle, 6, 1, AlignLeft );
m_pFocalBlur = new TQCheckBox( i18n( "Focal blur" ), this );
topLayout( )->addWidget( m_pFocalBlur );
m_pAperture = new PMFloatEdit( this );
m_pAperture->setValidation( true, 0, false, 0 );
m_focalWidgets.append( m_pAperture );
m_pBlurSamples = new PMIntEdit( this );
m_pBlurSamples->setValidation( true, 0, false, 0 );
m_focalWidgets.append( m_pBlurSamples );
m_pFocalPoint = new PMVectorEdit( "x", "y", "z", this );
m_focalWidgets.append( m_pFocalPoint );
m_pConfidence = new PMFloatEdit( this );
m_pConfidence->setValidation( true, 0, true, 1 );
m_focalWidgets.append( m_pConfidence );
m_pVariance = new PMFloatEdit( this );
m_pVariance->setValidation( true, 0, false, 0 );
m_focalWidgets.append( m_pVariance );
layout = new TQGridLayout( topLayout( ), 5, 2 );
label = new TQLabel( i18n( "Aperture:" ), this );
m_focalWidgets.append( label );
layout->addWidget( label, 0, 0 );
layout->addWidget( m_pAperture, 0, 1 );
label = new TQLabel( i18n( "Blur samples:" ), this );
m_focalWidgets.append( label );
layout->addWidget( label, 1, 0 );
layout->addWidget( m_pBlurSamples, 1, 1 );
label = new TQLabel( i18n( "Focal point:" ), this );
m_focalWidgets.append( label );
layout->addWidget( label, 2, 0 );
layout->addWidget( m_pFocalPoint, 2, 1 );
label = new TQLabel( i18n( "Confidence:" ), this );
m_focalWidgets.append( label );
layout->addWidget( label, 3, 0 );
layout->addWidget( m_pConfidence, 3, 1 );
label = new TQLabel( i18n( "Variance:" ), this );
m_focalWidgets.append( label );
layout->addWidget( label, 4, 0 );
layout->addWidget( m_pVariance, 4, 1 );
m_pExport = new TQCheckBox( i18n( "Export to renderer" ), this );
topLayout( )->addWidget( m_pExport );
connect( m_pLocation, TQT_SIGNAL( dataChanged( ) ), TQT_SIGNAL( dataChanged( ) ) );
connect( m_pDirection, TQT_SIGNAL( dataChanged( ) ), TQT_SLOT( slotDirectionChanged( ) ) );
connect( m_pRight, TQT_SIGNAL( dataChanged( ) ), TQT_SIGNAL( dataChanged( ) ) );
connect( m_pRight, TQT_SIGNAL( dataChanged( ) ), TQT_SLOT( slotRightChanged( ) ) );
connect( m_pUp, TQT_SIGNAL( dataChanged( ) ), TQT_SIGNAL( dataChanged( ) ) );
connect( m_pSky, TQT_SIGNAL( dataChanged( ) ), TQT_SIGNAL( dataChanged( ) ) );
connect( m_pLookAt, TQT_SIGNAL( dataChanged( ) ), TQT_SIGNAL( dataChanged( ) ) );
connect( m_pEnableAngle, TQT_SIGNAL( toggled( bool ) ),
TQT_SLOT( slotAngleToggled( bool ) ) );
connect( m_pAngle, TQT_SIGNAL( dataChanged( ) ), TQT_SLOT( slotAngleChanged( ) ) );
connect( m_pCameraType, TQT_SIGNAL( activated( int ) ),
TQT_SLOT( slotCameraTypeActivated( int ) ) );
connect( m_pCylinderType, TQT_SIGNAL( activated( int ) ),
TQT_SLOT( slotCylinderTypeActivated( int ) ) );
connect( m_pFocalBlur, TQT_SIGNAL( toggled( bool ) ),
TQT_SLOT( slotFocalBlurToggled( bool ) ) );
connect( m_pAperture, TQT_SIGNAL( dataChanged( ) ), TQT_SIGNAL( dataChanged( ) ) );
connect( m_pBlurSamples, TQT_SIGNAL( dataChanged( ) ), TQT_SIGNAL( dataChanged( ) ) );
connect( m_pFocalPoint, TQT_SIGNAL( dataChanged( ) ), TQT_SIGNAL( dataChanged( ) ) );
connect( m_pVariance, TQT_SIGNAL( dataChanged( ) ), TQT_SIGNAL( dataChanged( ) ) );
connect( m_pConfidence, TQT_SIGNAL( dataChanged( ) ), TQT_SIGNAL( dataChanged( ) ) );
connect( m_pExport, TQT_SIGNAL( clicked( ) ), TQT_SIGNAL( dataChanged( ) ) );
}
void PMCameraEdit::displayObject( PMObject* o )
{
if( o->isA( "Camera" ) )
{
bool readOnly = o->isReadOnly( );
m_pDisplayedObject = ( PMCamera* ) o;
m_pCameraType->setCurrentItem( m_pDisplayedObject->cameraType( ) );
m_pCameraType->setEnabled( !readOnly );
slotCameraTypeActivated( m_pDisplayedObject->cameraType( ) );
m_pCylinderType->setCurrentItem( m_pDisplayedObject->cylinderType( ) - 1 );
m_pCylinderType->setEnabled( !readOnly );
m_pLocation->setVector( m_pDisplayedObject->location( ) );
m_pLocation->setReadOnly( readOnly );
m_pSky->setVector( m_pDisplayedObject->sky( ) );
m_pSky->setReadOnly( readOnly );
m_pDirection->setVector( m_pDisplayedObject->direction( ) );
m_pDirection->setReadOnly( readOnly );
m_pRight->setVector( m_pDisplayedObject->right( ) );
m_pRight->setReadOnly( readOnly );
m_pUp->setVector( m_pDisplayedObject->up( ) );
m_pUp->setReadOnly( readOnly );
m_pLookAt->setVector( m_pDisplayedObject->lookAt( ) );
m_pLookAt->setReadOnly( readOnly );
m_pEnableAngle->setChecked( m_pDisplayedObject->isAngleEnabled( ) );
m_pEnableAngle->setEnabled( !readOnly );
m_pAngle->setValue( m_pDisplayedObject->angle( ) );
m_pAngle->setReadOnly( readOnly );
slotAngleToggled( m_pDisplayedObject->isAngleEnabled( ) );
slotRightChanged( );
m_pFocalBlur->setChecked( m_pDisplayedObject->isFocalBlurEnabled( ) );
slotFocalBlurToggled( m_pDisplayedObject->isFocalBlurEnabled( ) );
m_pFocalBlur->setEnabled( !readOnly );
m_pAperture->setValue( m_pDisplayedObject->aperture( ) );
m_pAperture->setReadOnly( readOnly );
m_pBlurSamples->setValue( m_pDisplayedObject->blurSamples( ) );
m_pBlurSamples->setReadOnly( readOnly );
m_pFocalPoint->setVector( m_pDisplayedObject->focalPoint( ) );
m_pFocalPoint->setReadOnly( readOnly );
m_pConfidence->setValue( m_pDisplayedObject->confidence( ) );
m_pConfidence->setReadOnly( readOnly );
m_pVariance->setValue( m_pDisplayedObject->variance( ) );
m_pVariance->setReadOnly( readOnly );
m_pExport->setChecked( m_pDisplayedObject->exportPovray( ) );
m_pExport->setEnabled( !readOnly );
Base::displayObject( o );
}
else
kdError( PMArea ) << "PMCameraEdit: Can't display object\n";
}
void PMCameraEdit::saveContents( )
{
int index;
if( m_pDisplayedObject )
{
Base::saveContents( );
index = m_pCameraType->currentItem( );
m_pDisplayedObject->setCameraType( ( PMCamera::CameraType ) index );
if( index == 6 )
m_pDisplayedObject->setCylinderType( m_pCylinderType->currentItem( ) + 1 );
m_pDisplayedObject->setLocation( m_pLocation->vector( ) );
m_pDisplayedObject->setDirection( m_pDirection->vector( ) );
m_pDisplayedObject->setRight( m_pRight->vector( ) );
m_pDisplayedObject->setUp( m_pUp->vector( ) );
m_pDisplayedObject->setSky( m_pSky->vector( ) );
m_pDisplayedObject->setLookAt( m_pLookAt->vector( ) );
m_pDisplayedObject->enableAngle( m_pEnableAngle->isChecked( ) );
if( m_pEnableAngle->isChecked( ) )
m_pDisplayedObject->setAngle( m_pAngle->value( ) );
m_pDisplayedObject->enableFocalBlur( m_pFocalBlur->isChecked( ) );
if( m_pFocalBlur->isChecked( ) )
{
m_pDisplayedObject->setAperture( m_pAperture->value( ) );
m_pDisplayedObject->setBlurSamples( m_pBlurSamples->value( ) );
m_pDisplayedObject->setFocalPoint( m_pFocalPoint->vector( ) );
m_pDisplayedObject->setConfidence( m_pConfidence->value( ) );
m_pDisplayedObject->setVariance( m_pVariance->value( ) );
}
m_pDisplayedObject->setExportPovray( m_pExport->isChecked( ) );
}
}
bool PMCameraEdit::isDataValid( )
{
if( !m_pLocation->isDataValid( ) )
return false;
if( !m_pSky->isDataValid( ) )
return false;
if( approxZero( m_pSky->vector( ).abs( ) ) )
{
KMessageBox::error( this, i18n( "The sky vector may not be a null vector." ),
i18n( "Error" ) );
m_pSky->setFocus( );
return false;
}
if( !m_pDirection->isDataValid( ) )
return false;
if( approxZero( m_pDirection->vector( ).abs( ) ) )
{
KMessageBox::error( this, i18n( "The direction vector may not be a null vector." ),
i18n( "Error" ) );
m_pDirection->setFocus( );
return false;
}
if( !m_pRight->isDataValid( ) )
return false;
if( approxZero( m_pRight->vector( ).abs( ) ) )
{
KMessageBox::error( this, i18n( "The right vector may not be a null vector." ),
i18n( "Error" ) );
m_pRight->setFocus( );
return false;
}
if( !m_pUp->isDataValid( ) )
return false;
if( approxZero( m_pUp->vector( ).abs( ) ) )
{
KMessageBox::error( this, i18n( "The up vector may not be a null vector." ),
i18n( "Error" ) );
m_pDirection->setFocus( );
return false;
}
if( !m_pLookAt->isDataValid( ) )
return false;
if( m_pEnableAngle->isChecked( ) && !m_pAngle->isDataValid( ) )
return false;
if( ( m_pCameraType->currentItem( ) == 0 ) && m_pEnableAngle->isChecked( ) )
{
double angle = m_pAngle->value( );
if( angle >= 180.0 )
{
KMessageBox::error( this, i18n( "Angle has to be smaller than 180"
" degrees for that camera type." ),
i18n( "Error" ) );
m_pAngle->setFocus( );
return false;
}
}
if( m_pFocalBlur->isChecked( ) )
{
if( !m_pAperture->isDataValid( ) )
return false;
if( !m_pBlurSamples->isDataValid( ) )
return false;
if( !m_pFocalPoint->isDataValid( ) )
return false;
if( !m_pConfidence->isDataValid( ) )
return false;
if( !m_pVariance->isDataValid( ) )
return false;
}
return Base::isDataValid( );
}
void PMCameraEdit::slotCameraTypeActivated( int index )
{
if( index == 6 )
{
m_pCylinderType->show( );
m_pCylinderTypeLabel->show( );
}
else
{
m_pCylinderType->hide( );
m_pCylinderTypeLabel->hide( );
}
if( ( index == 1 ) || ( index == 4 ) || ( index == 5 ) )
{
m_pAngle->hide( );
m_pEnableAngle->hide( );
}
else
{
m_pAngle->show( );
m_pEnableAngle->show( );
}
if( index == 0 )
m_pFocalBlur->show( );
else
m_pFocalBlur->hide( );
enableFocalWidgets( m_pFocalBlur->isChecked( ) && ( index == 0 ) );
emit sizeChanged( );
emit dataChanged( );
}
void PMCameraEdit::slotCylinderTypeActivated( int )
{
emit dataChanged( );
}
void PMCameraEdit::slotFocalBlurToggled( bool on )
{
enableFocalWidgets( on && ( m_pCameraType->currentItem( ) == 0 ) );
emit dataChanged( );
}
void PMCameraEdit::slotAngleToggled( bool on )
{
m_pAngle->setEnabled( on );
emit dataChanged( );
}
void PMCameraEdit::slotAngleChanged( )
{
/*
if( ( m_pCameraType->currentItem( ) == 0 ) && m_pEnableAngle->isChecked( ) )
{
// Only change direction's value in perspective and with an enabled angle
disconnect( m_pDirection, TQT_SIGNAL( dataChanged( ) ), 0, 0 );
m_pDirection->setVector( 0.5 * m_pRight->vector( ) / tan( 2 * deg2Rad( m_pAngle->value( ) ) ) );
connect( m_pDirection, TQT_SIGNAL( dataChanged( ) ), TQT_SLOT( slotDirectionChanged( ) ) );
}
*/
emit dataChanged( );
}
void PMCameraEdit::slotDirectionChanged( )
{
calculateCameraAngle( );
emit dataChanged( );
}
void PMCameraEdit::slotRightChanged( )
{
calculateCameraAngle( );
emit dataChanged( );
}
void PMCameraEdit::calculateCameraAngle( )
{
if( ( m_pCameraType->currentItem( ) == 0 ) && !m_pEnableAngle->isChecked( ) )
{
// Only change angle's value in perspective and with a disabled angle
double rl = m_pRight->vector( ).abs( );
double dl = m_pDirection->vector( ).abs( );
if( ( rl > 0 ) && ( dl > 0 ) )
{
bool sb = m_pAngle->signalsBlocked( );
m_pAngle->blockSignals( true );
m_pAngle->setValue( rad2Deg( 2 * atan2( 0.5 * rl, dl ) ) );
m_pAngle->blockSignals( sb );
}
}
}
void PMCameraEdit::enableFocalWidgets( bool on )
{
TQPtrListIterator<TQWidget> it( m_focalWidgets );
for( ; it.current( ); ++it )
{
if( on )
it.current( )->show( );
else
it.current( )->hide( );
}
emit sizeChanged( );
}
#include "pmcameraedit.moc"