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Add zoom spin box for precise zoom setting.

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This commit is contained in:
Luis Lucas committed 2014-06-27 01:49:10 +01:00
1 parent 66e8e936ba
commit 2b3e0f5ffd
2 files changed
+48 -4
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source/app/plaYUVerApp.cpp
+43 -3
View File
@@ -173,9 +173,11 @@ Void plaYUVerApp::loadFile( QString fileName )
connect( interfaceChild->getViewArea(), SIGNAL( positionChanged(const QPoint &, PlaYUVerFrame *) ), this,
SLOT( updatePixelValueStatusBar(const QPoint &, PlaYUVerFrame *) ) );
connect( interfaceChild->getViewArea(), SIGNAL( selectionChanged( QRect ) ), this, SLOT( updatePropertiesSelectedArea( QRect ) ) );
connect( interfaceChild->getViewArea(), SIGNAL( zoomFactorChanged( double , QPoint ) ), this, SLOT( updateZoomFactorSBox() ) );
interfaceChild->zoomToFit();
interfaceChild->getViewArea()->setTool( m_appTool );
updateZoomFactorSBox( );
statusBar()->showMessage( tr( "File loaded" ), 2000 );
}
else
@@ -340,6 +342,20 @@ Void plaYUVerApp::updatePropertiesSelectedArea( QRect area )
}
}
Void plaYUVerApp::updateZoomFactorSBox( )
{
if( m_pcCurrentSubWindow && m_pcCurrentSubWindow->getViewArea() )
{
Double factor = m_pcCurrentSubWindow->getViewArea()->getZoomFactor();
m_pcZoomFactorSBox->setValue(factor*100);
}
else
{
m_pcZoomFactorSBox->setValue(0.0);
}
}
// ----------------------- Playing Functions --------------------
UInt64 plaYUVerApp::getMaxFrameNumber()
@@ -647,13 +663,19 @@ Void plaYUVerApp::videoSelectionButtonEvent()
Void plaYUVerApp::normalSize()
{
if( activeSubWindow() )
{
activeSubWindow()->normalSize();
updateZoomFactorSBox();
}
}
Void plaYUVerApp::zoomToFit()
{
if( activeSubWindow() )
{
activeSubWindow()->zoomToFit();
updateZoomFactorSBox();
}
}
Void plaYUVerApp::zoomToFitAll()
@@ -666,17 +688,26 @@ Void plaYUVerApp::zoomToFitAll()
}
}
Void plaYUVerApp::scaleFrame( Int ratio )
Void plaYUVerApp::scaleFrame( int ratio )
{
if( activeSubWindow() )
{
activeSubWindow()->scaleViewByRatio( ( Double )( ratio ) / 100.0 );
activeSubWindow()->scaleViewByRatio( (Double)ratio / 100.0 );
updateZoomFactorSBox();
// m_arrayActions[ZOOM_IN_ACT]->setEnabled( activeSubWindow()->getScaleFactor() < 3.0 );
// m_arrayActions[ZOOM_OUT_ACT]->setEnabled( activeSubWindow()->getScaleFactor() > 0.333 );
}
}
Void plaYUVerApp::setZoomFromSBox( double zoom )
{
if( activeSubWindow() )
{
if(activeSubWindow()->getViewArea()->getZoomFactor() != ( zoom/100.0 ) )
activeSubWindow()->getViewArea()->setZoomFactor( zoom/100.0 );
}
}
Void plaYUVerApp::chageSubWindowSelection()
{
SubWindowHandle *new_window = activeSubWindow();
@@ -689,6 +720,7 @@ Void plaYUVerApp::chageSubWindowSelection()
updateTotalFrameNum();
updateStreamProperties();
updateFrameProperties();
updateZoomFactorSBox();
}
m_pcCurrentSubWindow = new_window;
}
@@ -808,6 +840,7 @@ Void plaYUVerApp::updateMenus()
m_arrayActions[ZOOM_OUT_ACT]->setEnabled( hasSubWindow );
m_arrayActions[ZOOM_NORMAL_ACT]->setEnabled( hasSubWindow );
m_arrayActions[ZOOM_FIT_ACT]->setEnabled( hasSubWindow );
m_pcZoomFactorSBox->setEnabled( hasSubWindow );
m_arrayActions[PLAY_ACT]->setEnabled( hasSubWindow );
m_arrayActions[PAUSE_ACT]->setEnabled( hasSubWindow );
@@ -1155,6 +1188,13 @@ Void plaYUVerApp::createToolBars()
addToolBar( Qt::TopToolBarArea, m_arrayToolBars[FILE_TOOLBAR] );
m_arrayToolBars[VIEW_TOOLBAR] = new QToolBar( tr( "View" ) );
m_pcZoomFactorSBox = new QDoubleSpinBox;
m_pcZoomFactorSBox->setRange(0.0, 10000.0);
m_pcZoomFactorSBox->setSingleStep(1.0);
m_pcZoomFactorSBox->setValue(100.0);
m_pcZoomFactorSBox->setSuffix("%");
connect(m_pcZoomFactorSBox, SIGNAL( valueChanged(double) ), this, SLOT( setZoomFromSBox(double) ) );
m_arrayToolBars[VIEW_TOOLBAR]->addWidget( m_pcZoomFactorSBox );
m_arrayToolBars[VIEW_TOOLBAR]->addAction( m_arrayActions[ZOOM_IN_ACT] );
m_arrayToolBars[VIEW_TOOLBAR]->addAction( m_arrayActions[ZOOM_OUT_ACT] );
m_arrayToolBars[VIEW_TOOLBAR]->addAction( m_arrayActions[ZOOM_NORMAL_ACT] );