QgsRasterHistogramWidget::QgsRasterHistogramWidget( QgsRasterLayer* lyr, QWidget *parent )
: QWidget( parent ),
mRasterLayer( lyr ), mRendererWidget( 0 )
{
setupUi( this );
mSaveAsImageButton->setIcon( QgsApplication::getThemeIcon( "/mActionFileSave.png" ) );
mRendererWidget = 0;
mRendererName = "singlebandgray";
mHistoMin = 0;
mHistoMax = 0;
mHistoPicker = NULL;
mHistoZoomer = NULL;
mHistoMarkerMin = NULL;
mHistoMarkerMax = NULL;
QSettings settings;
mHistoShowMarkers = settings.value( "/Raster/histogram/showMarkers", false ).toBool();
// mHistoLoadApplyAll = settings.value( "/Raster/histogram/loadApplyAll", false ).toBool();
mHistoZoomToMinMax = settings.value( "/Raster/histogram/zoomToMinMax", false ).toBool();
mHistoUpdateStyleToMinMax = settings.value( "/Raster/histogram/updateStyleToMinMax", true ).toBool();
// mHistoShowBands = (HistoShowBands) settings.value( "/Raster/histogram/showBands", (int) ShowAll ).toInt();
mHistoShowBands = ShowAll;
if ( true )
{
//band selector
int myBandCountInt = mRasterLayer->bandCount();
for ( int myIteratorInt = 1;
myIteratorInt <= myBandCountInt;
++myIteratorInt )
{
cboHistoBand->addItem( mRasterLayer->bandName( myIteratorInt ) );
}
// histo min/max selectors
leHistoMin->setValidator( new QDoubleValidator( this ) );
leHistoMax->setValidator( new QDoubleValidator( this ) );
// this might generate many refresh events! test..
// connect( leHistoMin, SIGNAL( textChanged( const QString & ) ), this, SLOT( updateHistoMarkers() ) );
// connect( leHistoMax, SIGNAL( textChanged( const QString & ) ), this, SLOT( updateHistoMarkers() ) );
// connect( leHistoMin, SIGNAL( textChanged( const QString & ) ), this, SLOT( applyHistoMin() ) );
// connect( leHistoMax, SIGNAL( textChanged( const QString & ) ), this, SLOT( applyHistoMax() ) );
connect( leHistoMin, SIGNAL( editingFinished() ), this, SLOT( applyHistoMin() ) );
connect( leHistoMax, SIGNAL( editingFinished() ), this, SLOT( applyHistoMax() ) );
// histo actions
QMenu* menu = new QMenu( this );
menu->setSeparatorsCollapsible( false );
btnHistoActions->setMenu( menu );
QActionGroup* group;
QAction* action;
// min/max options
group = new QActionGroup( this );
group->setExclusive( false );
connect( group, SIGNAL( triggered( QAction* ) ), this, SLOT( histoActionTriggered( QAction* ) ) );
action = new QAction( tr( "Min/Max options" ), group );
action->setSeparator( true );
menu->addAction( action );
action = new QAction( tr( "Always show min/max markers" ), group );
action->setData( QVariant( "Show markers" ) );
action->setCheckable( true );
action->setChecked( mHistoShowMarkers );
menu->addAction( action );
action = new QAction( tr( "Zoom to min/max" ), group );
action->setData( QVariant( "Zoom min_max" ) );
action->setCheckable( true );
action->setChecked( mHistoZoomToMinMax );
menu->addAction( action );
action = new QAction( tr( "Update style to min/max" ), group );
action->setData( QVariant( "Update min_max" ) );
action->setCheckable( true );
action->setChecked( mHistoUpdateStyleToMinMax );
menu->addAction( action );
// visibility options
group = new QActionGroup( this );
group->setExclusive( false );
connect( group, SIGNAL( triggered( QAction* ) ), this, SLOT( histoActionTriggered( QAction* ) ) );
action = new QAction( tr( "Visibility" ), group );
action->setSeparator( true );
menu->addAction( action );
group = new QActionGroup( this );
group->setExclusive( true ); // these options are exclusive
connect( group, SIGNAL( triggered( QAction* ) ), this, SLOT( histoActionTriggered( QAction* ) ) );
action = new QAction( tr( "Show all bands" ), group );
action->setData( QVariant( "Show all" ) );
action->setCheckable( true );
action->setChecked( mHistoShowBands == ShowAll );
menu->addAction( action );
action = new QAction( tr( "Show RGB/Gray band(s)" ), group );
action->setData( QVariant( "Show RGB" ) );
action->setCheckable( true );
action->setChecked( mHistoShowBands == ShowRGB );
menu->addAction( action );
action = new QAction( tr( "Show selected band" ), group );
action->setData( QVariant( "Show selected" ) );
action->setCheckable( true );
action->setChecked( mHistoShowBands == ShowSelected );
menu->addAction( action );
// actions
action = new QAction( tr( "Actions" ), group );
action->setSeparator( true );
menu->addAction( action );
// load actions
group = new QActionGroup( this );
group->setExclusive( false );
connect( group, SIGNAL( triggered( QAction* ) ), this, SLOT( histoActionTriggered( QAction* ) ) );
action = new QAction( tr( "Reset" ), group );
action->setData( QVariant( "Load reset" ) );
menu->addAction( action );
// these actions have been disabled for api cleanup, restore them eventually
#if 0
// Load min/max needs 3 params (method, extent, accuracy), cannot put it in single item
action = new QAction( tr( "Load min/max" ), group );
action->setSeparator( true );
menu->addAction( action );
action = new QAction( tr( "Estimate (faster)" ), group );
action->setData( QVariant( "Load estimate" ) );
menu->addAction( action );
action = new QAction( tr( "Actual (slower)" ), group );
action->setData( QVariant( "Load actual" ) );
menu->addAction( action );
action = new QAction( tr( "Current extent" ), group );
action->setData( QVariant( "Load extent" ) );
menu->addAction( action );
action = new QAction( tr( "Use stddev (1.0)" ), group );
action->setData( QVariant( "Load 1 stddev" ) );
menu->addAction( action );
action = new QAction( tr( "Use stddev (custom)" ), group );
action->setData( QVariant( "Load stddev" ) );
menu->addAction( action );
action = new QAction( tr( "Load for each band" ), group );
action->setData( QVariant( "Load apply all" ) );
action->setCheckable( true );
action->setChecked( mHistoLoadApplyAll );
menu->addAction( action );
#endif
//others
action = new QAction( tr( "Recompute Histogram" ), group );
action->setData( QVariant( "Compute histogram" ) );
menu->addAction( action );
}
QgsRasterHistogramWidget::QgsRasterHistogramWidget( QgsRasterLayer* lyr, QWidget *parent )
: QgsMapLayerConfigWidget( lyr, nullptr, parent )
, mRasterLayer( lyr )
, mRendererWidget( nullptr )
{
setupUi( this );
mSaveAsImageButton->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionFileSave.svg" ) ) );
mRendererWidget = nullptr;
mRendererName = QStringLiteral( "singlebandgray" );
mHistoMin = 0;
mHistoMax = 0;
mHistoPicker = nullptr;
mHistoZoomer = nullptr;
mHistoMarkerMin = nullptr;
mHistoMarkerMax = nullptr;
QSettings settings;
mHistoShowMarkers = settings.value( QStringLiteral( "/Raster/histogram/showMarkers" ), false ).toBool();
// mHistoLoadApplyAll = settings.value( "/Raster/histogram/loadApplyAll", false ).toBool();
mHistoZoomToMinMax = settings.value( QStringLiteral( "/Raster/histogram/zoomToMinMax" ), false ).toBool();
mHistoUpdateStyleToMinMax = settings.value( QStringLiteral( "/Raster/histogram/updateStyleToMinMax" ), true ).toBool();
mHistoDrawLines = settings.value( QStringLiteral( "/Raster/histogram/drawLines" ), true ).toBool();
// mHistoShowBands = (HistoShowBands) settings.value( "/Raster/histogram/showBands", (int) ShowAll ).toInt();
mHistoShowBands = ShowAll;
bool isInt = true;
if ( true )
{
//band selector
int myBandCountInt = mRasterLayer->bandCount();
for ( int myIteratorInt = 1;
myIteratorInt <= myBandCountInt;
++myIteratorInt )
{
cboHistoBand->addItem( mRasterLayer->bandName( myIteratorInt ) );
Qgis::DataType mySrcDataType = mRasterLayer->dataProvider()->sourceDataType( myIteratorInt );
if ( !( mySrcDataType == Qgis::Byte ||
mySrcDataType == Qgis::Int16 || mySrcDataType == Qgis::Int32 ||
mySrcDataType == Qgis::UInt16 || mySrcDataType == Qgis::UInt32 ) )
isInt = false;
}
// histo min/max selectors
leHistoMin->setValidator( new QDoubleValidator( this ) );
leHistoMax->setValidator( new QDoubleValidator( this ) );
// this might generate many refresh events! test..
// connect( leHistoMin, SIGNAL( textChanged( const QString & ) ), this, SLOT( updateHistoMarkers() ) );
// connect( leHistoMax, SIGNAL( textChanged( const QString & ) ), this, SLOT( updateHistoMarkers() ) );
// connect( leHistoMin, SIGNAL( textChanged( const QString & ) ), this, SLOT( applyHistoMin() ) );
// connect( leHistoMax, SIGNAL( textChanged( const QString & ) ), this, SLOT( applyHistoMax() ) );
connect( leHistoMin, SIGNAL( editingFinished() ), this, SLOT( applyHistoMin() ) );
connect( leHistoMax, SIGNAL( editingFinished() ), this, SLOT( applyHistoMax() ) );
// histo actions
// TODO move/add options to qgis options dialog
QMenu* menu = new QMenu( this );
menu->setSeparatorsCollapsible( false );
btnHistoActions->setMenu( menu );
QActionGroup* group;
QAction* action;
// min/max options
group = new QActionGroup( this );
group->setExclusive( false );
connect( group, SIGNAL( triggered( QAction* ) ), this, SLOT( histoActionTriggered( QAction* ) ) );
action = new QAction( tr( "Min/Max options" ), group );
action->setSeparator( true );
menu->addAction( action );
action = new QAction( tr( "Always show min/max markers" ), group );
action->setData( QVariant( "Show markers" ) );
action->setCheckable( true );
action->setChecked( mHistoShowMarkers );
menu->addAction( action );
action = new QAction( tr( "Zoom to min/max" ), group );
action->setData( QVariant( "Zoom min_max" ) );
action->setCheckable( true );
action->setChecked( mHistoZoomToMinMax );
menu->addAction( action );
action = new QAction( tr( "Update style to min/max" ), group );
action->setData( QVariant( "Update min_max" ) );
action->setCheckable( true );
action->setChecked( mHistoUpdateStyleToMinMax );
menu->addAction( action );
// visibility options
group = new QActionGroup( this );
group->setExclusive( false );
connect( group, SIGNAL( triggered( QAction* ) ), this, SLOT( histoActionTriggered( QAction* ) ) );
action = new QAction( tr( "Visibility" ), group );
action->setSeparator( true );
menu->addAction( action );
group = new QActionGroup( this );
group->setExclusive( true ); // these options are exclusive
connect( group, SIGNAL( triggered( QAction* ) ), this, SLOT( histoActionTriggered( QAction* ) ) );
action = new QAction( tr( "Show all bands" ), group );
action->setData( QVariant( "Show all" ) );
action->setCheckable( true );
action->setChecked( mHistoShowBands == ShowAll );
menu->addAction( action );
action = new QAction( tr( "Show RGB/Gray band(s)" ), group );
action->setData( QVariant( "Show RGB" ) );
action->setCheckable( true );
action->setChecked( mHistoShowBands == ShowRGB );
menu->addAction( action );
action = new QAction( tr( "Show selected band" ), group );
action->setData( QVariant( "Show selected" ) );
action->setCheckable( true );
action->setChecked( mHistoShowBands == ShowSelected );
menu->addAction( action );
// display options
group = new QActionGroup( this );
group->setExclusive( false );
connect( group, SIGNAL( triggered( QAction* ) ), this, SLOT( histoActionTriggered( QAction* ) ) );
action = new QAction( tr( "Display" ), group );
action->setSeparator( true );
menu->addAction( action );
// should we plot as histogram instead of line plot? (int data only)
action = new QAction( QLatin1String( "" ), group );
action->setData( QVariant( "Draw lines" ) );
if ( isInt )
{
action->setText( tr( "Draw as lines" ) );
action->setCheckable( true );
action->setChecked( mHistoDrawLines );
}
else
{
action->setText( tr( "Draw as lines (only int layers)" ) );
action->setEnabled( false );
}
menu->addAction( action );
// actions
action = new QAction( tr( "Actions" ), group );
action->setSeparator( true );
menu->addAction( action );
// load actions
group = new QActionGroup( this );
group->setExclusive( false );
connect( group, SIGNAL( triggered( QAction* ) ), this, SLOT( histoActionTriggered( QAction* ) ) );
action = new QAction( tr( "Reset" ), group );
action->setData( QVariant( "Load reset" ) );
menu->addAction( action );
// these actions have been disabled for api cleanup, restore them eventually
// TODO restore these in qgis 2.4
#if 0
// Load min/max needs 3 params (method, extent, accuracy), cannot put it in single item
action = new QAction( tr( "Load min/max" ), group );
action->setSeparator( true );
menu->addAction( action );
action = new QAction( tr( "Estimate (faster)" ), group );
action->setData( QVariant( "Load estimate" ) );
menu->addAction( action );
action = new QAction( tr( "Actual (slower)" ), group );
action->setData( QVariant( "Load actual" ) );
menu->addAction( action );
action = new QAction( tr( "Current extent" ), group );
action->setData( QVariant( "Load extent" ) );
menu->addAction( action );
action = new QAction( tr( "Use stddev (1.0)" ), group );
action->setData( QVariant( "Load 1 stddev" ) );
menu->addAction( action );
action = new QAction( tr( "Use stddev (custom)" ), group );
action->setData( QVariant( "Load stddev" ) );
menu->addAction( action );
action = new QAction( tr( "Load for each band" ), group );
action->setData( QVariant( "Load apply all" ) );
action->setCheckable( true );
action->setChecked( mHistoLoadApplyAll );
menu->addAction( action );
#endif
//others
action = new QAction( tr( "Recompute Histogram" ), group );
action->setData( QVariant( "Compute histogram" ) );
menu->addAction( action );
}
