Start splitting sub windows into different categories
This commit is contained in:
+2
-499
@@ -22,517 +22,20 @@
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* \brief Sub windows handling
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*/
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#include "ConfigureFormatDialog.h"
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#include "SubWindowHandle.h"
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#include "ViewArea.h"
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namespace plaYUVer
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{
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QDataStream& operator<<( QDataStream& out, const PlaYUVerStreamInfoVector& array )
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{
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PlaYUVerStreamInfo d;
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out << array.size();
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for( Int i = 0; i < array.size(); i++ )
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{
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d = array.at( i );
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out << d.m_cFilename
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<< d.m_uiWidth
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<< d.m_uiHeight
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<< d.m_iPelFormat
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<< d.m_uiFrameRate;
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}
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return out;
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}
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QDataStream& operator>>( QDataStream& in, PlaYUVerStreamInfoVector& array )
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{
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PlaYUVerStreamInfo d;
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Int array_size;
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in >> array_size;
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for( Int i = 0; i < array_size; i++ )
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{
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in >> d.m_cFilename;
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in >> d.m_uiWidth;
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in >> d.m_uiHeight;
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in >> d.m_iPelFormat;
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in >> d.m_uiFrameRate;
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array.append( d );
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}
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return in;
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}
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Int findPlaYUVerStreamInfo( PlaYUVerStreamInfoVector array, QString filename )
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{
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for( Int i = 0; i < array.size(); i++ )
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if( array.at( i ).m_cFilename == filename )
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return i;
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return -1;
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}
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SubWindowHandle::SubWindowHandle( QWidget * parent, Bool isModule ) :
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SubWindowHandle::SubWindowHandle( QWidget * parent, UInt category ) :
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QMdiSubWindow( parent ),
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m_pCurrStream( NULL ),
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m_pcCurrFrame( NULL ),
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m_pcCurrentModule( NULL ),
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m_pcReferenceSubWindow( NULL ),
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m_bIsPlaying( false ),
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m_bIsModule( isModule )
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m_uiCategory( category )
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{
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setParent( parent );
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setAttribute( Qt::WA_DeleteOnClose );
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setBackgroundRole( QPalette::Light );
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setVisible( false );
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// Create a new scroll area inside the sub-window
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m_cScrollArea = new QScrollArea( this );
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setWidget( m_cScrollArea );
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// Create a new interface to show images
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m_cViewArea = new ViewArea( m_cScrollArea );
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connect( m_cViewArea, SIGNAL( zoomFactorChanged( double , QPoint) ), this, SLOT( adjustScrollBarByZoom(double, QPoint) ) );
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connect( m_cViewArea, SIGNAL( moveScroll( QPoint ) ), this, SLOT( adjustScrollBarByOffset(QPoint) ) );
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connect( m_cViewArea, SIGNAL( selectionChanged( QRect ) ), this, SLOT( updateSelectedArea( QRect ) ) );
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connect( m_cScrollArea->horizontalScrollBar(), SIGNAL( actionTriggered( int ) ), this, SLOT( updateLastScrollValue() ) );
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connect( m_cScrollArea->verticalScrollBar(), SIGNAL( actionTriggered( int ) ), this, SLOT( updateLastScrollValue() ) );
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// Define the cViewArea as the widget inside the scroll area
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m_cScrollArea->setWidget( m_cViewArea );
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m_cScrollArea->setWidgetResizable( true );
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m_cWindowName = QString( " " );
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m_cLastScroll = QPoint();
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}
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SubWindowHandle::~SubWindowHandle()
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{
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disableModule();
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delete m_cViewArea;
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delete m_cScrollArea;
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if( m_pCurrStream )
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delete m_pCurrStream;
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}
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Void SubWindowHandle::reloadFile()
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{
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Int currFrameNum = m_pCurrStream->getCurrFrameNum();
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loadFile( m_cFilename, false );
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seekAbsoluteEvent( currFrameNum );
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}
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Bool SubWindowHandle::loadFile( QString cFilename, Bool bForceDialog )
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{
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UInt Width = 0, Height = 0, FrameRate = 30;
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Int InputFormat = -1;
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if( !m_pCurrStream )
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{
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m_pCurrStream = new PlaYUVerStream;
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}
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m_pCurrStream->getFormat( Width, Height, InputFormat, FrameRate );
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if( m_pCurrStream->guessFormat( cFilename, Width, Height, InputFormat, FrameRate ) || bForceDialog )
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{
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ConfigureFormatDialog formatDialog( this );
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if( formatDialog.runConfigureFormatDialog( QFileInfo( cFilename ).fileName(), Width, Height, InputFormat, FrameRate ) == QDialog::Rejected )
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{
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return false;
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}
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}
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QApplication::setOverrideCursor( Qt::WaitCursor );
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QApplication::restoreOverrideCursor();
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m_pCurrStream->open( cFilename, Width, Height, InputFormat, FrameRate );
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m_sStreamInfo.m_cFilename = cFilename;
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m_sStreamInfo.m_uiWidth = Width;
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m_sStreamInfo.m_uiHeight = Height;
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m_sStreamInfo.m_iPelFormat = InputFormat;
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m_sStreamInfo.m_uiFrameRate = FrameRate;
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m_cViewArea->setInputStream( m_pCurrStream );
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QApplication::restoreOverrideCursor();
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refreshFrame();
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m_cFilename = cFilename;
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m_cWindowName = m_pCurrStream->getStreamInformationString();
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m_cWindowShortName = QFileInfo( cFilename ).fileName();
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setWindowTitle( m_cWindowName );
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qDebug() << "File " << m_cWindowName << "was successfully opened";
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return true;
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}
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Bool SubWindowHandle::loadFile( PlaYUVerStreamInfo* streamInfo )
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{
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if( !m_pCurrStream )
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{
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m_pCurrStream = new PlaYUVerStream;
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}
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if( !m_pCurrStream->open( streamInfo->m_cFilename, streamInfo->m_uiWidth, streamInfo->m_uiHeight, streamInfo->m_iPelFormat,
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streamInfo->m_uiFrameRate ) )
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{
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return false;
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}
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m_sStreamInfo = *streamInfo;
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m_cViewArea->setInputStream( m_pCurrStream );
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QApplication::restoreOverrideCursor();
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refreshFrame();
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m_cFilename = streamInfo->m_cFilename;
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m_cWindowName = m_pCurrStream->getStreamInformationString();
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m_cWindowShortName = QFileInfo( streamInfo->m_cFilename ).fileName();
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setWindowTitle( m_cWindowName );
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return true;
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}
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Void SubWindowHandle::updateSelectedArea( QRect area )
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{
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m_cSelectedArea = area;
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}
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/**
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* Functions to enable a module in the
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* current SubWindow
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*/
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Void SubWindowHandle::enableModule( PlaYUVerAppModuleIf* select_module )
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{
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if( m_pcCurrentModule )
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{
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disableModule();
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}
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m_pcCurrentModule = select_module;
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// refreshFrame();
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}
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Void SubWindowHandle::disableModule()
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{
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if( m_pcCurrentModule )
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{
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PlaYUVerAppModuleIf* pcCurrentModule = m_pcCurrentModule;
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m_pcCurrentModule = NULL;
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ModulesHandle::destroyModuleIf( pcCurrentModule );
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refreshFrame();
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}
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}
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Void SubWindowHandle::swapModuleFrames()
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{
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if( m_pcCurrentModule )
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{
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ModulesHandle::swapModulesWindowsIf( m_pcCurrentModule );
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refreshFrame();
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}
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}
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Void SubWindowHandle::applyModuleAllFrames()
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{
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if( m_pcCurrentModule )
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{
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ModulesHandle::applyAllModuleIf( m_pcCurrentModule );
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stop();
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}
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}
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Void SubWindowHandle::setCurrFrame( PlaYUVerFrame* pcCurrFrame )
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{
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m_pcCurrFrame = pcCurrFrame;
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m_cViewArea->setImage( m_pcCurrFrame );
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if( !isVisible() )
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{
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show();
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resize( sizeHint() );
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zoomToFit();
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}
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}
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Void SubWindowHandle::refreshFrame()
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{
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Bool bSetFrame = false;
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if( m_pCurrStream )
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{
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m_pcCurrFrame = m_pCurrStream->getCurrFrame();
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bSetFrame = true;
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if( m_pcCurrentModule )
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{
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bSetFrame = ModulesHandle::applyModuleIf( m_pcCurrentModule, m_bIsPlaying );
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}
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}
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else
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{
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if( m_pcCurrentModule )
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{
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bSetFrame = ModulesHandle::applyModuleIf( m_pcCurrentModule, m_bIsPlaying );
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}
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}
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if( bSetFrame )
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{
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m_cViewArea->setImage( m_pcCurrFrame );
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}
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}
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Bool SubWindowHandle::save( QString filename )
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{
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Bool iRet = false;
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QApplication::setOverrideCursor( Qt::WaitCursor );
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PlaYUVerFrame* saveFrame = m_pcCurrFrame;
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if( m_cSelectedArea.isValid() )
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{
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saveFrame = new PlaYUVerFrame( m_pcCurrFrame, m_cSelectedArea.x(), m_cSelectedArea.y(),
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m_cSelectedArea.width(), m_cSelectedArea.height() );
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}
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if( !saveFrame )
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{
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return false;
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}
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iRet = PlaYUVerStream::saveFrame( filename, saveFrame );
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QApplication::restoreOverrideCursor();
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return iRet;
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}
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Bool SubWindowHandle::play()
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{
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if( m_pCurrStream && m_pCurrStream->getFrameNum() > 1 )
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{
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m_bIsPlaying = true;
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}
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else
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{
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m_bIsPlaying = false;
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}
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return m_bIsPlaying;
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}
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Int SubWindowHandle::playEvent()
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{
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if( m_pCurrStream && m_bIsPlaying )
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{
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m_pCurrStream->setNextFrame();
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refreshFrame();
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if( m_pCurrStream->checkErrors( PlaYUVerStream::END_OF_SEQ ) )
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{
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return -2;
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}
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m_pCurrStream->readFrame();
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if( m_pCurrStream->checkErrors( PlaYUVerStream::READING ) )
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{
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QMessageBox::warning( this, tr( "plaYUVer" ), tr( "Cannot read %1." ).arg( m_cFilename ) );
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return -3;
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}
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return 0;
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}
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return -4;
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}
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Void SubWindowHandle::pause()
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{
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m_bIsPlaying = false;
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refreshFrame();
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}
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Void SubWindowHandle::seekAbsoluteEvent( UInt new_frame_num )
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{
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if( m_pCurrStream )
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{
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if( m_pCurrStream->seekInput( new_frame_num ) )
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{
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refreshFrame();
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}
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}
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}
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Void SubWindowHandle::seekRelativeEvent( Bool bIsFoward )
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{
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if( m_pCurrStream )
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{
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if( m_pCurrStream->seekInput( m_pCurrStream->getCurrFrameNum() + ( bIsFoward ? 1 : -1 ) ) )
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{
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refreshFrame();
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}
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}
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}
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Void SubWindowHandle::stop()
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{
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m_bIsPlaying = false;
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seekAbsoluteEvent( 0 );
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return;
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}
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Void SubWindowHandle::normalSize()
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{
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Double scaleFactor = 1.0;
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m_cViewArea->setZoomFactor( scaleFactor );
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updateLastScrollValue();
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}
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Void SubWindowHandle::zoomToFit()
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{
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// Scale to a smaller size that the real to a nicer look
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QSize niceFit( m_cScrollArea->viewport()->size().width() - 5, m_cScrollArea->viewport()->size().height() - 5 );
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scaleView( niceFit );
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}
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Void SubWindowHandle::scaleView( Double scale )
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{
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Q_ASSERT( m_cViewArea->image() );
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m_cViewArea->setZoomFactor( scale );
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updateLastScrollValue();
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}
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Void SubWindowHandle::scaleView( Int width, Int height )
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{
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scaleView( QSize( width, height ) );
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}
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Void SubWindowHandle::scaleView( const QSize & size )
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{
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QSize imgViewSize;
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if( m_pcCurrFrame )
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imgViewSize = QSize( m_pcCurrFrame->getWidth(), m_pcCurrFrame->getHeight() );
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else
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imgViewSize = QSize( m_pCurrStream->getWidth(), m_pCurrStream->getHeight() );
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QSize newSize = imgViewSize;
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newSize.scale( size, Qt::KeepAspectRatio );
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// Calc the zoom factor
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Double wfactor = 1;
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Double hfactor = 1;
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wfactor = ( Double )newSize.width() / imgViewSize.width();
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hfactor = ( Double )newSize.height() / imgViewSize.height();
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if( wfactor < hfactor )
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scaleView( wfactor );
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else
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scaleView( hfactor );
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}
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Void SubWindowHandle::scaleViewByRatio( Double ratio )
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{
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Q_ASSERT( m_cViewArea->image() );
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m_cViewArea->zoomChangeEvent( ratio, QPoint() );
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}
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void SubWindowHandle::adjustScrollBarByOffset( QPoint Offset )
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{
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QScrollBar *scrollBar = m_cScrollArea->horizontalScrollBar();
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scrollBar->setValue( int( scrollBar->value() + Offset.x() ) );
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m_cLastScroll.setX( scrollBar->value() );
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scrollBar = m_cScrollArea->verticalScrollBar();
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scrollBar->setValue( int( scrollBar->value() + Offset.y() ) );
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m_cLastScroll.setY( scrollBar->value() );
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updateLastScrollValue();
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}
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// This function was developed with help of the schematics presented in
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// http://stackoverflow.com/questions/13155382/jscrollpane-zoom-relative-to-mouse-position
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void SubWindowHandle::adjustScrollBarByZoom( double factor, QPoint center )
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{
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QScrollBar *scrollBar = m_cScrollArea->horizontalScrollBar();
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if( center.isNull() )
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{
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scrollBar->setValue( int( factor * scrollBar->value() + ( ( factor - 1 ) * scrollBar->pageStep() / 2 ) ) );
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}
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else
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{
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Int x = center.x() - m_cLastScroll.x();
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Int value = int( factor * m_cLastScroll.x() + ( ( factor - 1 ) * x ) );
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if( value > scrollBar->maximum() )
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value = scrollBar->maximum();
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if( value < scrollBar->minimum() )
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value = scrollBar->minimum();
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scrollBar->setValue( value );
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}
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scrollBar = m_cScrollArea->verticalScrollBar();
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if( center.isNull() )
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{
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scrollBar->setValue( int( factor * scrollBar->value() + ( ( factor - 1 ) * scrollBar->pageStep() / 2 ) ) );
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}
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else
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{
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Int y = center.y() - m_cLastScroll.y();
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Int value = int( factor * m_cLastScroll.y() + ( ( factor - 1 ) * y ) );
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if( value > scrollBar->maximum() )
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value = scrollBar->maximum();
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if( value < scrollBar->minimum() )
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value = scrollBar->minimum();
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scrollBar->setValue( value );
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}
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updateLastScrollValue();
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}
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void SubWindowHandle::updateLastScrollValue()
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{
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QScrollBar *scrollBar = m_cScrollArea->horizontalScrollBar();
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m_cLastScroll.setX( scrollBar->value() );
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scrollBar = m_cScrollArea->verticalScrollBar();
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m_cLastScroll.setY( scrollBar->value() );
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}
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QSize SubWindowHandle::sizeHint() const
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{
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QSize maxSize; // The size of the parent (viewport widget
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// of the QMdiArea).
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QWidget *p = parentWidget();
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if( p )
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{
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maxSize = p->size();
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}
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QSize isize;
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if( m_pcCurrFrame )
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isize = QSize( m_pcCurrFrame->getWidth() + 50, m_pcCurrFrame->getHeight() + 50 );
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else if( m_pCurrStream )
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isize = QSize( m_pCurrStream->getWidth() + 50, m_pCurrStream->getHeight() + 50 );
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// If the SubWindowHandle needs more space that the avaiable, we'll give
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// to the subwindow a reasonable size preserving the image aspect ratio.
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||||
if( isize.width() < maxSize.width() && isize.height() < maxSize.height() )
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{
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return isize;
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}
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else
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||||
{
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isize.scale( maxSize, Qt::KeepAspectRatio );
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maxSize = isize;
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}
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return maxSize;
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}
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Bool SubWindowHandle::mayClose()
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{
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return true;
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}
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void SubWindowHandle::closeEvent( QCloseEvent *event )
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||||
{
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||||
Bool bAccept = mayClose();
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||||
bAccept = m_bIsPlaying ? false : bAccept;
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||||
if( bAccept )
|
||||
{
|
||||
event->accept();
|
||||
}
|
||||
else
|
||||
{
|
||||
event->ignore();
|
||||
}
|
||||
}
|
||||
|
||||
} // NAMESPACE
|
||||
|
||||
Reference in New Issue
Block a user