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tdegraphics/kpovmodeler/pmpovraywidget.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 "pmpovraywidget.h"
#include "pmpovrayrenderwidget.h"
#include "pmpovrayoutputwidget.h"
#include "pmshell.h"
#include <klocale.h>
#include <kmessagebox.h>
#include <kimageio.h>
#include <kfiledialog.h>
#include <ktempfile.h>
#include <kio/netaccess.h>
#include <kglobalsettings.h>
#include <kpushbutton.h>
#include <kstdguiitem.h>
#include <tqlayout.h>
#include <tqprogressbar.h>
#include <tqlabel.h>
#include <tqscrollview.h>
#include <tqtimer.h>
#include <tqapplication.h>
const int timerIntervall = 1000;
bool PMPovrayWidget::s_imageFormatsRegistered = false;
PMPovrayWidget::PMPovrayWidget( TQWidget* parent, const char* name )
: KDialog( parent, name )
{
TQVBoxLayout* topLayout = new TQVBoxLayout( this, KDialog::marginHint( ), KDialog::spacingHint( ) );
topLayout->addStretch( );
TQHBoxLayout* renderLayout = new TQHBoxLayout( );
topLayout->addLayout( renderLayout, 2 );
m_pScrollView = new TQScrollView( this );
m_pScrollView->setBackgroundMode( PaletteBase );
renderLayout->addWidget( m_pScrollView, 2 );
m_pRenderWidget = new PMPovrayRenderWidget( m_pScrollView->viewport( ) );
m_pRenderWidget->setFixedSize( 200, 200 );
m_pScrollView->addChild( m_pRenderWidget );
topLayout->addStretch( );
TQHBoxLayout* progressLayout = new TQHBoxLayout( topLayout );
m_pProgressBar = new TQProgressBar( this );
m_pProgressBar->hide( );
progressLayout->addWidget( m_pProgressBar, 1 );
m_pProgressLabel = new TQLabel( this );
progressLayout->addWidget( m_pProgressLabel, 2 );
TQHBoxLayout* buttonLayout = new TQHBoxLayout( topLayout );
m_pStopButton = new TQPushButton( i18n( "Stop" ), this );
m_pStopButton->setEnabled( false );
buttonLayout->addWidget( m_pStopButton );
m_pSuspendButton = new TQPushButton( i18n( "Suspend" ), this );
m_pSuspendButton->setEnabled( false );
buttonLayout->addWidget( m_pSuspendButton );
m_pResumeButton = new TQPushButton( i18n( "Resume" ), this );
m_pResumeButton->setEnabled( false );
buttonLayout->addWidget( m_pResumeButton );
buttonLayout->addStretch( 1 );
m_pPovrayOutputButton = new TQPushButton( i18n( "Povray Output" ), this );
buttonLayout->addWidget( m_pPovrayOutputButton );
buttonLayout = new TQHBoxLayout( topLayout );
m_pSaveButton = new KPushButton( KStdGuiItem::saveAs(), this );
m_pSaveButton->setEnabled( false );
buttonLayout->addWidget( m_pSaveButton );
buttonLayout->addStretch( 1 );
TQPushButton* closeButton = new KPushButton( KStdGuiItem::close(), this );
buttonLayout->addWidget( closeButton );
connect( m_pRenderWidget, TQT_SIGNAL( finished( int ) ),
TQT_SLOT( slotRenderingFinished( int ) ) );
connect( m_pRenderWidget, TQT_SIGNAL( progress( int ) ),
TQT_SLOT( slotProgress( int ) ) );
connect( m_pRenderWidget, TQT_SIGNAL( lineFinished( int ) ),
TQT_SLOT( slotLineFinished( int ) ) );
connect( m_pStopButton, TQT_SIGNAL( clicked( ) ), TQT_SLOT( slotStop( ) ) );
connect( m_pSuspendButton, TQT_SIGNAL( clicked( ) ), TQT_SLOT( slotSuspend( ) ) );
connect( m_pResumeButton, TQT_SIGNAL( clicked( ) ), TQT_SLOT( slotResume( ) ) );
connect( m_pSaveButton, TQT_SIGNAL( clicked( ) ), TQT_SLOT( slotSave( ) ) );
connect( closeButton, TQT_SIGNAL( clicked( ) ), TQT_SLOT( slotClose( ) ) );
connect( m_pPovrayOutputButton, TQT_SIGNAL( clicked( ) ),
TQT_SLOT( slotPovrayOutput( ) ) );
m_bRunning = false;
m_pProgressTimer = new TQTimer( this );
connect( m_pProgressTimer, TQT_SIGNAL( timeout( ) ),
TQT_SLOT( slotUpdateSpeed( ) ) );
setCaption( i18n( "Render Window" ) );
m_height = m_width = 0;
m_stopped = false;
m_pPovrayOutputWidget = new PMPovrayOutputWidget( );
connect( m_pRenderWidget, TQT_SIGNAL( povrayMessage( const TQString& ) ),
m_pPovrayOutputWidget, TQT_SLOT( slotText( const TQString& ) ) );
}
PMPovrayWidget::~PMPovrayWidget( )
{
delete m_pPovrayOutputWidget;
}
bool PMPovrayWidget::render( const TQByteArray& scene, const PMRenderMode& m,
const KURL& documentURL )
{
bool updateSize = ( m_height != m.height( ) ) || ( m_width != m.width( ) );
m_height = m.height( );
m_width = m.width( );
m_bRunning = false;
m_pPovrayOutputWidget->slotClear( );
m_stopped = false;
m_pRenderWidget->setFixedSize( m_width, m_height );
TQSize maxSize( m_width + m_pScrollView->frameWidth( ) * 2,
m_height + m_pScrollView->frameWidth( ) * 2 );
m_pScrollView->setMaximumSize( maxSize );
if( updateSize )
{
int w, h;
w = maxSize.width( ) + KDialog::spacingHint( ) * 2;
h = maxSize.height( ) + m_pSaveButton->sizeHint( ).height( ) * 2
+ KDialog::spacingHint( ) * 6;
if( m_pProgressLabel->sizeHint( ).height( )
> m_pProgressBar->sizeHint( ).height( ) )
h += m_pProgressLabel->sizeHint( ).height( );
else
h += m_pProgressBar->sizeHint( ).height( );
w += 16;
h += 16;
#if ( ( TDE_VERSION_MAJOR == 3 ) && ( TDE_VERSION_MINOR <= 1 ) )
TQWidget* dw = TQApplication::desktop( );
if( w > dw->width( ) )
w = dw->width( );
if( h > dw->height( ) )
h = dw->height( );
#else
TQRect dw = TDEGlobalSettings::desktopGeometry(this);
if( w > dw.width() )
w = dw.width();
if( h > dw.height() )
h = dw.height();
#endif
resize( w, h );
}
if( m_pRenderWidget->render( scene, m, documentURL ) )
{
m_bRunning = true;
m_pProgressBar->setProgress( 0 );
m_pProgressBar->show( );
m_pProgressLabel->setText( i18n( "running" ) );
m_pStopButton->setEnabled( true );
m_pSuspendButton->setEnabled( true );
m_pResumeButton->setEnabled( false );
m_pSaveButton->setEnabled( false );
m_lastSpeedTime = TQTime( );
m_pProgressTimer->start( timerIntervall, true );
m_speedInfo = false;
m_speed = 0;
m_line = 0;
m_immediateUpdate = false;
showSpeed( 0 );
}
return m_bRunning;
}
void PMPovrayWidget::slotStop( )
{
m_stopped = true;
m_pRenderWidget->killRendering( );
m_pSaveButton->setEnabled( true );
}
void PMPovrayWidget::slotSuspend( )
{
m_pRenderWidget->suspendRendering( );
m_pSuspendButton->setEnabled( false );
m_pResumeButton->setEnabled( true );
m_pSaveButton->setEnabled( true );
m_pProgressTimer->stop( );
m_lastSpeedTime = TQTime( );
m_speedInfo = false;
m_immediateUpdate = false;
m_pProgressLabel->setText( i18n( "suspended" ) );
}
void PMPovrayWidget::slotResume( )
{
m_pRenderWidget->resumeRendering( );
m_pSuspendButton->setEnabled( true );
m_pResumeButton->setEnabled( false );
m_pSaveButton->setEnabled( false );
m_pProgressTimer->start( timerIntervall, true );
showSpeed( m_speed );
}
void PMPovrayWidget::slotClose( )
{
hide( );
}
void PMPovrayWidget::slotSave( )
{
KTempFile* tempFile = 0;
TQFile* file = 0;
bool ok = true;
if( !s_imageFormatsRegistered )
{
KImageIO::registerFormats( );
s_imageFormatsRegistered = true;
}
KURL url = KFileDialog::getSaveURL( TQString(), KImageIO::pattern( KImageIO::Writing ) );
if( url.isEmpty( ) )
return;
if( !PMShell::overwriteURL( url ) )
return;
if( !url.isValid( ) )
{
KMessageBox::error( this, i18n( "Malformed URL" ) );
return;
}
TQString format = KImageIO::type( url.fileName( ) );
if( format.isEmpty( ) )
{
KMessageBox::error( this, i18n( "Unknown image format.\n"
"Please enter a valid suffix." ) );
return;
}
if( !KImageIO::canWrite( format ) )
{
KMessageBox::error( this, i18n( "Format is not supported for writing." ) );
return;
}
if( url.isLocalFile( ) )
{
// Local file
file = new TQFile( url.path( ) );
if( !file->open( IO_WriteOnly ) )
ok = false;
}
else
{
// Remote file
// provide a temp file
tempFile = new KTempFile( );
if( tempFile->status( ) != 0 )
ok = false;
else
file = tempFile->file( );
}
if( ok )
{
TQImageIO iio( file, format.latin1( ) );
iio.setImage( m_pRenderWidget->image( ) );
ok = iio.write( );
if( ok )
{
if( tempFile )
{
tempFile->close( );
ok = KIO::NetAccess::upload( tempFile->name( ), url );
tempFile->unlink( );
file = 0;
}
else
file->close( );
}
else
KMessageBox::error( this, i18n( "Couldn't correctly write the image.\n"
"Wrong image format?" ) );
}
else
KMessageBox::error( this, i18n( "Couldn't write the image.\n"
"Permission denied." ) );
delete file;
delete tempFile;
}
void PMPovrayWidget::slotPovrayOutput( )
{
m_pPovrayOutputWidget->show( );
}
void PMPovrayWidget::slotRenderingFinished( int returnStatus )
{
kdDebug( PMArea ) << "Povray exited with status " << returnStatus << endl;
m_bRunning = false;
if( returnStatus == 0 )
m_pSaveButton->setEnabled( true );
m_pStopButton->setEnabled( false );
m_pSuspendButton->setEnabled( false );
m_pResumeButton->setEnabled( false );
m_pProgressLabel->setText( i18n( "finished" ) );
m_pProgressTimer->stop( );
if( ( returnStatus != 0 ) && !m_stopped )
{
KMessageBox::error( this, i18n( "Povray exited abnormally.\n"
"See the povray output for details." )
.arg( returnStatus ) );
}
else if( m_pRenderWidget->povrayOutput( ).contains( "ERROR" ) )
{
KMessageBox::error( this, i18n( "There were errors while rendering.\n"
"See the povray output for details." ) );
}
}
void PMPovrayWidget::slotProgress( int i )
{
m_pProgressBar->setProgress( i );
}
void PMPovrayWidget::slotLineFinished( int line )
{
m_speedInfo = true;
TQTime ct = TQTime::currentTime( );
if( !m_lastSpeedTime.isNull( ) )
{
int msecs = m_lastSpeedTime.msecsTo( ct );
if( msecs < 1 )
msecs = 1;
double g = 1.0 / ( ( double ) msecs / 500.0 + 1.0 );
m_speed = g * m_speed +
1000 * ( 1.0 - g ) * m_width * ( line - m_line ) / msecs;
}
if( m_immediateUpdate )
{
m_immediateUpdate = false;
showSpeed( m_speed );
m_pProgressTimer->start( timerIntervall, true );
m_speedInfo = false;
}
m_lastSpeedTime = ct;
m_line = line;
}
void PMPovrayWidget::slotUpdateSpeed( )
{
if( m_speedInfo )
{
showSpeed( m_speed );
m_pProgressTimer->start( timerIntervall, true );
m_speedInfo = false;
}
else
m_immediateUpdate = true;
}
void PMPovrayWidget::showSpeed( double pps )
{
TQString num;
if( pps >= 1000000 )
{
num.setNum( pps / 100000, 'g', 3 );
num += 'M';
}
else if( pps >= 1000 )
{
num.setNum( pps / 1000, 'g', 3 );
num += 'K';
}
else
num.setNum( pps, 'g', 3 );
m_pProgressLabel->setText( i18n( "running, %1 pixels/second" ).arg( num ) );
}
#include "pmpovraywidget.moc"
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