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qgsrasterlayerproperties.cpp
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qgsrasterlayerproperties.cpp
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/***************************************************************************
qgsrasterlayerproperties.cpp - description
-------------------
begin : 1/1/2004
copyright : (C) 2004 Tim Sutton
email : tim@linfiniti.com
***************************************************************************/
/***************************************************************************
* *
* 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 <limits>
#include <typeinfo>
#include "qgsgui.h"
#include "qgsapplication.h"
#include "qgsbrightnesscontrastfilter.h"
#include "qgscontrastenhancement.h"
#include "qgscoordinatetransform.h"
#include "qgsprojectionselectiondialog.h"
#include "qgslogger.h"
#include "qgsmapcanvas.h"
#include "qgsmaplayerstyleguiutils.h"
#include "qgsmaptoolemitpoint.h"
#include "qgsmaptopixel.h"
#include "qgsmetadatawidget.h"
#include "qgsmultibandcolorrenderer.h"
#include "qgsmultibandcolorrendererwidget.h"
#include "qgsnative.h"
#include "qgspalettedrendererwidget.h"
#include "qgsprovidersourcewidgetproviderregistry.h"
#include "qgsprovidersourcewidget.h"
#include "qgsproject.h"
#include "qgsrasterbandstats.h"
#include "qgsrastercontourrendererwidget.h"
#include "qgsrasterdataprovider.h"
#include "qgsrasterhistogramwidget.h"
#include "qgsrasteridentifyresult.h"
#include "qgsrasterlayer.h"
#include "qgsrasterlayerproperties.h"
#include "qgsrasterpyramid.h"
#include "qgsrasterrange.h"
#include "qgsrasterrenderer.h"
#include "qgsrasterrendererregistry.h"
#include "qgsrastertransparency.h"
#include "qgssinglebandgrayrendererwidget.h"
#include "qgssinglebandpseudocolorrendererwidget.h"
#include "qgshuesaturationfilter.h"
#include "qgshillshaderendererwidget.h"
#include "qgssettings.h"
#include "qgsdatumtransformdialog.h"
#include "qgsmaplayerlegend.h"
#include "qgsfileutils.h"
#include "qgswebview.h"
#include "qgsvectorlayer.h"
#include "qgsprovidermetadata.h"
#include "qgsproviderregistry.h"
#include "qgsrasterlayertemporalproperties.h"
#include "qgsdoublevalidator.h"
#include "qgsmaplayerconfigwidgetfactory.h"
#include "qgsrasterlayertemporalpropertieswidget.h"
#include "qgsprojecttimesettings.h"
#include "qgsexpressioncontextutils.h"
#include <QDesktopServices>
#include <QTableWidgetItem>
#include <QHeaderView>
#include <QTextStream>
#include <QFile>
#include <QFileDialog>
#include <QMessageBox>
#include <QPainter>
#include <QLinearGradient>
#include <QPainterPath>
#include <QPolygonF>
#include <QColorDialog>
#include <QList>
#include <QMouseEvent>
#include <QVector>
#include <QUrl>
#include <QMenu>
#include <QScreen>
#include <QRegularExpressionValidator>
#include <QRegularExpression>
QgsRasterLayerProperties::QgsRasterLayerProperties( QgsMapLayer *lyr, QgsMapCanvas *canvas, QWidget *parent, Qt::WindowFlags fl )
: QgsOptionsDialogBase( QStringLiteral( "RasterLayerProperties" ), parent, fl )
// Constant that signals property not used.
, TRSTRING_NOT_SET( tr( "Not Set" ) )
, mDefaultStandardDeviation( 0 )
, mDefaultRedBand( 0 )
, mDefaultGreenBand( 0 )
, mDefaultBlueBand( 0 )
, mRasterLayer( qobject_cast<QgsRasterLayer *>( lyr ) )
, mGradientHeight( 0.0 )
, mGradientWidth( 0.0 )
, mMapCanvas( canvas )
, mMetadataFilled( false )
{
mGrayMinimumMaximumEstimated = true;
mRGBMinimumMaximumEstimated = true;
setupUi( this );
mMetadataViewer = new QgsWebView( this );
mOptsPage_Information->layout()->addWidget( mMetadataViewer );
connect( buttonBuildPyramids, &QPushButton::clicked, this, &QgsRasterLayerProperties::buttonBuildPyramids_clicked );
connect( pbnAddValuesFromDisplay, &QToolButton::clicked, this, &QgsRasterLayerProperties::pbnAddValuesFromDisplay_clicked );
connect( pbnAddValuesManually, &QToolButton::clicked, this, &QgsRasterLayerProperties::pbnAddValuesManually_clicked );
connect( mCrsSelector, &QgsProjectionSelectionWidget::crsChanged, this, &QgsRasterLayerProperties::mCrsSelector_crsChanged );
connect( pbnDefaultValues, &QToolButton::clicked, this, &QgsRasterLayerProperties::pbnDefaultValues_clicked );
connect( pbnExportTransparentPixelValues, &QToolButton::clicked, this, &QgsRasterLayerProperties::pbnExportTransparentPixelValues_clicked );
connect( pbnImportTransparentPixelValues, &QToolButton::clicked, this, &QgsRasterLayerProperties::pbnImportTransparentPixelValues_clicked );
connect( pbnRemoveSelectedRow, &QToolButton::clicked, this, &QgsRasterLayerProperties::pbnRemoveSelectedRow_clicked );
connect( mRenderTypeComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsRasterLayerProperties::mRenderTypeComboBox_currentIndexChanged );
connect( mResetColorRenderingBtn, &QToolButton::clicked, this, &QgsRasterLayerProperties::mResetColorRenderingBtn_clicked );
// QgsOptionsDialogBase handles saving/restoring of geometry, splitter and current tab states,
// switching vertical tabs between icon/text to icon-only modes (splitter collapsed to left),
// and connecting QDialogButtonBox's accepted/rejected signals to dialog's accept/reject slots
initOptionsBase( false );
connect( buttonBox, &QDialogButtonBox::helpRequested, this, &QgsRasterLayerProperties::showHelp );
mSourceGroupBox->hide();
mBtnStyle = new QPushButton( tr( "Style" ) );
QMenu *menuStyle = new QMenu( this );
menuStyle->addAction( tr( "Load Style…" ), this, &QgsRasterLayerProperties::loadStyle_clicked );
menuStyle->addAction( tr( "Save Style…" ), this, &QgsRasterLayerProperties::saveStyleAs_clicked );
menuStyle->addSeparator();
menuStyle->addAction( tr( "Save as Default" ), this, &QgsRasterLayerProperties::saveDefaultStyle_clicked );
menuStyle->addAction( tr( "Restore Default" ), this, &QgsRasterLayerProperties::loadDefaultStyle_clicked );
mBtnStyle->setMenu( menuStyle );
connect( menuStyle, &QMenu::aboutToShow, this, &QgsRasterLayerProperties::aboutToShowStyleMenu );
buttonBox->addButton( mBtnStyle, QDialogButtonBox::ResetRole );
mBtnMetadata = new QPushButton( tr( "Metadata" ), this );
QMenu *menuMetadata = new QMenu( this );
mActionLoadMetadata = menuMetadata->addAction( tr( "Load Metadata…" ), this, &QgsRasterLayerProperties::loadMetadata );
mActionSaveMetadataAs = menuMetadata->addAction( tr( "Save Metadata…" ), this, &QgsRasterLayerProperties::saveMetadataAs );
menuMetadata->addSeparator();
menuMetadata->addAction( tr( "Save as Default" ), this, &QgsRasterLayerProperties::saveDefaultMetadata );
menuMetadata->addAction( tr( "Restore Default" ), this, &QgsRasterLayerProperties::loadDefaultMetadata );
mBtnMetadata->setMenu( menuMetadata );
buttonBox->addButton( mBtnMetadata, QDialogButtonBox::ResetRole );
connect( lyr->styleManager(), &QgsMapLayerStyleManager::currentStyleChanged, this, &QgsRasterLayerProperties::syncToLayer );
connect( this, &QDialog::accepted, this, &QgsRasterLayerProperties::apply );
connect( this, &QDialog::rejected, this, &QgsRasterLayerProperties::onCancel );
connect( buttonBox->button( QDialogButtonBox::Apply ), &QAbstractButton::clicked, this, &QgsRasterLayerProperties::apply );
// brightness/contrast controls
connect( mSliderBrightness, &QAbstractSlider::valueChanged, mBrightnessSpinBox, &QSpinBox::setValue );
connect( mBrightnessSpinBox, static_cast < void ( QSpinBox::* )( int ) > ( &QSpinBox::valueChanged ), mSliderBrightness, &QAbstractSlider::setValue );
mBrightnessSpinBox->setClearValue( 0 );
connect( mSliderContrast, &QAbstractSlider::valueChanged, mContrastSpinBox, &QSpinBox::setValue );
connect( mContrastSpinBox, static_cast < void ( QSpinBox::* )( int ) > ( &QSpinBox::valueChanged ), mSliderContrast, &QAbstractSlider::setValue );
mContrastSpinBox->setClearValue( 0 );
// gamma correction controls
connect( mSliderGamma, &QAbstractSlider::valueChanged, this, &QgsRasterLayerProperties::updateGammaSpinBox );
connect( mGammaSpinBox, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsRasterLayerProperties::updateGammaSlider );
mGammaSpinBox->setClearValue( 1.0 );
// Connect saturation slider and spin box
connect( sliderSaturation, &QAbstractSlider::valueChanged, spinBoxSaturation, &QSpinBox::setValue );
connect( spinBoxSaturation, static_cast < void ( QSpinBox::* )( int ) > ( &QSpinBox::valueChanged ), sliderSaturation, &QAbstractSlider::setValue );
spinBoxSaturation->setClearValue( 0 );
// Connect colorize strength slider and spin box
connect( sliderColorizeStrength, &QAbstractSlider::valueChanged, spinColorizeStrength, &QSpinBox::setValue );
connect( spinColorizeStrength, static_cast < void ( QSpinBox::* )( int ) > ( &QSpinBox::valueChanged ), sliderColorizeStrength, &QAbstractSlider::setValue );
spinColorizeStrength->setClearValue( 100 );
// enable or disable saturation slider and spin box depending on grayscale combo choice
connect( comboGrayscale, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsRasterLayerProperties::toggleSaturationControls );
// enable or disable colorize colorbutton with colorize checkbox
connect( mColorizeCheck, &QAbstractButton::toggled, this, &QgsRasterLayerProperties::toggleColorizeControls );
// enable or disable Build Pyramids button depending on selection in pyramid list
connect( lbxPyramidResolutions, &QListWidget::itemSelectionChanged, this, &QgsRasterLayerProperties::toggleBuildPyramidsButton );
connect( mRefreshLayerCheckBox, &QCheckBox::toggled, mRefreshLayerIntervalSpinBox, &QDoubleSpinBox::setEnabled );
// set up the scale based layer visibility stuff....
mScaleRangeWidget->setMapCanvas( mMapCanvas );
chkUseScaleDependentRendering->setChecked( lyr->hasScaleBasedVisibility() );
mScaleRangeWidget->setScaleRange( lyr->minimumScale(), lyr->maximumScale() );
leNoDataValue->setValidator( new QgsDoubleValidator( -std::numeric_limits<double>::max(), std::numeric_limits<double>::max(), 1000, this ) );
// build GUI components
QIcon myPyramidPixmap( QgsApplication::getThemeIcon( "/mIconPyramid.svg" ) );
QIcon myNoPyramidPixmap( QgsApplication::getThemeIcon( "/mIconNoPyramid.svg" ) );
pbnAddValuesManually->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/symbologyAdd.svg" ) ) );
pbnAddValuesFromDisplay->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionContextHelp.png" ) ) );
pbnRemoveSelectedRow->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/symbologyRemove.svg" ) ) );
pbnDefaultValues->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionOpenTable.svg" ) ) );
pbnImportTransparentPixelValues->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionFileOpen.svg" ) ) );
pbnExportTransparentPixelValues->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionFileSave.svg" ) ) );
if ( mMapCanvas )
{
mPixelSelectorTool = std::make_unique<QgsMapToolEmitPoint>( canvas );
connect( mPixelSelectorTool.get(), &QgsMapToolEmitPoint::canvasClicked, this, &QgsRasterLayerProperties::pixelSelected );
connect( mPixelSelectorTool.get(), &QgsMapToolEmitPoint::deactivated, this, &QgsRasterLayerProperties::restoreWindowModality );
}
else
{
pbnAddValuesFromDisplay->setEnabled( false );
}
if ( !mRasterLayer )
{
return;
}
mContext << QgsExpressionContextUtils::globalScope()
<< QgsExpressionContextUtils::projectScope( QgsProject::instance() )
<< QgsExpressionContextUtils::atlasScope( nullptr );
if ( mMapCanvas )
mContext << QgsExpressionContextUtils::mapSettingsScope( mMapCanvas->mapSettings() );
mContext << QgsExpressionContextUtils::layerScope( mRasterLayer );
QgsRasterDataProvider *provider = mRasterLayer->dataProvider();
// Only do pyramids if dealing directly with GDAL.
if ( provider && provider->capabilities() & QgsRasterDataProvider::BuildPyramids )
{
// initialize resampling methods
cboResamplingMethod->clear();
const auto constProviderType = QgsRasterDataProvider::pyramidResamplingMethods( mRasterLayer->providerType() );
for ( QPair<QString, QString> method : constProviderType )
{
cboResamplingMethod->addItem( method.second, method.first );
}
// keep it in sync with qgsrasterpyramidsoptionwidget.cpp
QString prefix = provider->name() + "/driverOptions/_pyramids/";
QgsSettings mySettings;
QString defaultMethod = mySettings.value( prefix + "resampling", "AVERAGE" ).toString();
int idx = cboResamplingMethod->findData( defaultMethod );
if ( idx >= 0 )
cboResamplingMethod->setCurrentIndex( idx );
// build pyramid list
const QList< QgsRasterPyramid > myPyramidList = provider->buildPyramidList();
for ( const QgsRasterPyramid &pyramid : myPyramidList )
{
if ( pyramid.getExists() )
{
lbxPyramidResolutions->addItem( new QListWidgetItem( myPyramidPixmap,
QString::number( pyramid.getXDim() ) + QStringLiteral( " x " ) +
QString::number( pyramid.getYDim() ) ) );
}
else
{
lbxPyramidResolutions->addItem( new QListWidgetItem( myNoPyramidPixmap,
QString::number( pyramid.getXDim() ) + QStringLiteral( " x " ) +
QString::number( pyramid.getYDim() ) ) );
}
}
}
else
{
// disable Pyramids tab completely
mOptsPage_Pyramids->setEnabled( false );
}
// We can calculate histogram for all data sources but estimated only if
// size is unknown - could also be enabled if well supported (estimated histogram
// and let user know that it is estimated)
if ( !provider || !( provider->capabilities() & QgsRasterDataProvider::Size ) )
{
// disable Histogram tab completely
mOptsPage_Histogram->setEnabled( false );
}
QVBoxLayout *layout = new QVBoxLayout( metadataFrame );
layout->setContentsMargins( 0, 0, 0, 0 );
mMetadataWidget = new QgsMetadataWidget( this, mRasterLayer );
mMetadataWidget->layout()->setContentsMargins( 0, 0, 0, 0 );
mMetadataWidget->setMapCanvas( mMapCanvas );
layout->addWidget( mMetadataWidget );
metadataFrame->setLayout( layout );
QVBoxLayout *temporalLayout = new QVBoxLayout( temporalFrame );
temporalLayout->setContentsMargins( 0, 0, 0, 0 );
mTemporalWidget = new QgsRasterLayerTemporalPropertiesWidget( this, mRasterLayer );
temporalLayout->addWidget( mTemporalWidget );
QgsDebugMsgLevel( "Setting crs to " + mRasterLayer->crs().toWkt( QgsCoordinateReferenceSystem::WKT_PREFERRED ), 2 );
QgsDebugMsgLevel( "Setting crs to " + mRasterLayer->crs().userFriendlyIdentifier(), 2 );
mCrsSelector->setCrs( mRasterLayer->crs() );
// Set text for pyramid info box
QString pyramidFormat( QStringLiteral( "<h2>%1</h2><p>%2 %3 %4</p><b><font color='red'><p>%5</p><p>%6</p>" ) );
QString pyramidHeader = tr( "Description" );
QString pyramidSentence1 = tr( "Large resolution raster layers can slow navigation in QGIS." );
QString pyramidSentence2 = tr( "By creating lower resolution copies of the data (pyramids) performance can be considerably improved as QGIS selects the most suitable resolution to use depending on the level of zoom." );
QString pyramidSentence3 = tr( "You must have write access in the directory where the original data is stored to build pyramids." );
QString pyramidSentence4 = tr( "Please note that building internal pyramids may alter the original data file and once created they cannot be removed!" );
QString pyramidSentence5 = tr( "Please note that building internal pyramids could corrupt your image - always make a backup of your data first!" );
tePyramidDescription->setHtml( pyramidFormat.arg( pyramidHeader,
pyramidSentence1,
pyramidSentence2,
pyramidSentence3,
pyramidSentence4,
pyramidSentence5 ) );
//resampling
mResamplingGroupBox->setSaveCheckedState( true );
mResamplingUtils.initWidgets( mRasterLayer, mZoomedInResamplingComboBox, mZoomedOutResamplingComboBox, mMaximumOversamplingSpinBox, mCbEarlyResampling );
mResamplingUtils.refreshWidgetsFromLayer();
const QgsRasterRenderer *renderer = mRasterLayer->renderer();
btnColorizeColor->setColorDialogTitle( tr( "Select Color" ) );
btnColorizeColor->setContext( QStringLiteral( "symbology" ) );
// Hue and saturation color control
const QgsHueSaturationFilter *hueSaturationFilter = mRasterLayer->hueSaturationFilter();
//set hue and saturation controls to current values
if ( hueSaturationFilter )
{
sliderSaturation->setValue( hueSaturationFilter->saturation() );
comboGrayscale->setCurrentIndex( ( int ) hueSaturationFilter->grayscaleMode() );
// Set initial state of saturation controls based on grayscale mode choice
toggleSaturationControls( static_cast<int>( hueSaturationFilter->grayscaleMode() ) );
// Set initial state of colorize controls
mColorizeCheck->setChecked( hueSaturationFilter->colorizeOn() );
btnColorizeColor->setColor( hueSaturationFilter->colorizeColor() );
toggleColorizeControls( hueSaturationFilter->colorizeOn() );
sliderColorizeStrength->setValue( hueSaturationFilter->colorizeStrength() );
mInvertColorsCheck->setChecked( hueSaturationFilter->invertColors() );
}
//blend mode
mBlendModeComboBox->setBlendMode( mRasterLayer->blendMode() );
//transparency band
if ( provider )
{
cboxTransparencyBand->setShowNotSetOption( true, tr( "None" ) );
cboxTransparencyBand->setLayer( mRasterLayer );
// Alpha band is set in sync()
#if 0
if ( renderer )
{
QgsDebugMsg( QStringLiteral( "alphaBand = %1" ).arg( renderer->alphaBand() ) );
if ( renderer->alphaBand() > 0 )
{
cboxTransparencyBand->setCurrentIndex( cboxTransparencyBand->findData( renderer->alphaBand() ) );
}
}
#endif
}
// create histogram widget
mHistogramWidget = nullptr;
if ( mOptsPage_Histogram->isEnabled() )
{
mHistogramWidget = new QgsRasterHistogramWidget( mRasterLayer, mOptsPage_Histogram );
mHistogramStackedWidget->addWidget( mHistogramWidget );
}
//insert renderer widgets into registry
QgsApplication::rasterRendererRegistry()->insertWidgetFunction( QStringLiteral( "paletted" ), QgsPalettedRendererWidget::create );
QgsApplication::rasterRendererRegistry()->insertWidgetFunction( QStringLiteral( "multibandcolor" ), QgsMultiBandColorRendererWidget::create );
QgsApplication::rasterRendererRegistry()->insertWidgetFunction( QStringLiteral( "singlebandpseudocolor" ), QgsSingleBandPseudoColorRendererWidget::create );
QgsApplication::rasterRendererRegistry()->insertWidgetFunction( QStringLiteral( "singlebandgray" ), QgsSingleBandGrayRendererWidget::create );
QgsApplication::rasterRendererRegistry()->insertWidgetFunction( QStringLiteral( "hillshade" ), QgsHillshadeRendererWidget::create );
QgsApplication::rasterRendererRegistry()->insertWidgetFunction( QStringLiteral( "contour" ), QgsRasterContourRendererWidget::create );
//fill available renderers into combo box
QgsRasterRendererRegistryEntry entry;
mDisableRenderTypeComboBoxCurrentIndexChanged = true;
const auto constRenderersList = QgsApplication::rasterRendererRegistry()->renderersList();
for ( const QString &name : constRenderersList )
{
if ( QgsApplication::rasterRendererRegistry()->rendererData( name, entry ) )
{
if ( ( mRasterLayer->rasterType() != QgsRasterLayer::ColorLayer && entry.name != QLatin1String( "singlebandcolordata" ) ) ||
( mRasterLayer->rasterType() == QgsRasterLayer::ColorLayer && entry.name == QLatin1String( "singlebandcolordata" ) ) )
{
mRenderTypeComboBox->addItem( entry.visibleName, entry.name );
}
}
}
mDisableRenderTypeComboBoxCurrentIndexChanged = false;
int widgetIndex = 0;
if ( renderer )
{
QString rendererType = renderer->type();
widgetIndex = mRenderTypeComboBox->findData( rendererType );
if ( widgetIndex != -1 )
{
mDisableRenderTypeComboBoxCurrentIndexChanged = true;
mRenderTypeComboBox->setCurrentIndex( widgetIndex );
mDisableRenderTypeComboBoxCurrentIndexChanged = false;
}
if ( rendererType == QLatin1String( "singlebandcolordata" ) && mRenderTypeComboBox->count() == 1 )
{
// no band rendering options for singlebandcolordata, so minimize group box
QSizePolicy sizep = mBandRenderingGrpBx->sizePolicy();
sizep.setVerticalStretch( 0 );
sizep.setVerticalPolicy( QSizePolicy::Maximum );
mBandRenderingGrpBx->setSizePolicy( sizep );
mBandRenderingGrpBx->updateGeometry();
}
if ( mRasterLayer->providerType() != QLatin1String( "wms" ) )
{
mWMSPrintGroupBox->hide();
mPublishDataSourceUrlCheckBox->hide();
mBackgroundLayerCheckBox->hide();
}
}
#ifdef WITH_QTWEBKIT
// Setup information tab
const int horizontalDpi = logicalDpiX();
// Adjust zoom: text is ok, but HTML seems rather big at least on Linux/KDE
if ( horizontalDpi > 96 )
{
mMetadataViewer->setZoomFactor( mMetadataViewer->zoomFactor() * 0.9 );
}
mMetadataViewer->page()->setLinkDelegationPolicy( QWebPage::LinkDelegationPolicy::DelegateAllLinks );
connect( mMetadataViewer->page(), &QWebPage::linkClicked, this, &QgsRasterLayerProperties::urlClicked );
mMetadataViewer->page()->settings()->setAttribute( QWebSettings::DeveloperExtrasEnabled, true );
mMetadataViewer->page()->settings()->setAttribute( QWebSettings::JavascriptEnabled, true );
#endif
initializeDataDefinedButton( mOpacityDDBtn, QgsRasterPipe::RendererOpacity );
mRenderTypeComboBox_currentIndexChanged( widgetIndex );
// update based on lyr's current state
sync();
QgsSettings settings;
// if dialog hasn't been opened/closed yet, default to Styles tab, which is used most often
// this will be read by restoreOptionsBaseUi()
if ( !settings.contains( QStringLiteral( "/Windows/RasterLayerProperties/tab" ) ) )
{
settings.setValue( QStringLiteral( "Windows/RasterLayerProperties/tab" ),
mOptStackedWidget->indexOf( mOptsPage_Style ) );
}
mResetColorRenderingBtn->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionUndo.svg" ) ) );
QString title = tr( "Layer Properties — %1" ).arg( lyr->name() );
if ( !mRasterLayer->styleManager()->isDefault( mRasterLayer->styleManager()->currentStyle() ) )
title += QStringLiteral( " (%1)" ).arg( mRasterLayer->styleManager()->currentStyle() );
restoreOptionsBaseUi( title );
optionsStackedWidget_CurrentChanged( mOptionsStackedWidget->currentIndex() );
//Add help page references
mOptsPage_Information->setProperty( "helpPage", QStringLiteral( "working_with_raster/raster_properties.html#information-properties" ) );
mOptsPage_Source->setProperty( "helpPage", QStringLiteral( "working_with_raster/raster_properties.html#source-properties" ) );
mOptsPage_Style->setProperty( "helpPage", QStringLiteral( "working_with_raster/raster_properties.html#symbology-properties" ) );
mOptsPage_Transparency->setProperty( "helpPage", QStringLiteral( "working_with_raster/raster_properties.html#transparency-properties" ) );
if ( mOptsPage_Histogram )
mOptsPage_Histogram->setProperty( "helpPage", QStringLiteral( "working_with_raster/raster_properties.html#histogram-properties" ) );
mOptsPage_Rendering->setProperty( "helpPage", QStringLiteral( "working_with_raster/raster_properties.html#rendering-properties" ) );
if ( mOptsPage_Pyramids )
mOptsPage_Pyramids->setProperty( "helpPage", QStringLiteral( "working_with_raster/raster_properties.html#pyramids-properties" ) );
mOptsPage_Metadata->setProperty( "helpPage", QStringLiteral( "working_with_raster/raster_properties.html#metadata-properties" ) );
mOptsPage_Legend->setProperty( "helpPage", QStringLiteral( "working_with_raster/raster_properties.html#legend-properties" ) );
mOptsPage_Server->setProperty( "helpPage", QStringLiteral( "working_with_raster/raster_properties.html#server-properties" ) );
}
void QgsRasterLayerProperties::addPropertiesPageFactory( const QgsMapLayerConfigWidgetFactory *factory )
{
if ( !factory->supportsLayer( mRasterLayer ) || !factory->supportLayerPropertiesDialog() )
{
return;
}
QgsMapLayerConfigWidget *page = factory->createWidget( mRasterLayer, nullptr, false, this );
switch ( factory->parentPage() )
{
case QgsMapLayerConfigWidgetFactory::ParentPage::NoParent:
{
mLayerPropertiesPages << page;
const QString beforePage = factory->layerPropertiesPagePositionHint();
if ( beforePage.isEmpty() )
addPage( factory->title(), factory->title(), factory->icon(), page );
else
insertPage( factory->title(), factory->title(), factory->icon(), page, beforePage );
break;
}
case QgsMapLayerConfigWidgetFactory::ParentPage::Temporal:
mTemporalWidget->addWidget( page );
break;
}
}
QgsExpressionContext QgsRasterLayerProperties::createExpressionContext() const
{
return mContext;
}
void QgsRasterLayerProperties::setupTransparencyTable( int nBands )
{
tableTransparency->clear();
tableTransparency->setColumnCount( 0 );
tableTransparency->setRowCount( 0 );
mTransparencyToEdited.clear();
if ( nBands == 3 )
{
tableTransparency->setColumnCount( 4 );
tableTransparency->setHorizontalHeaderItem( 0, new QTableWidgetItem( tr( "Red" ) ) );
tableTransparency->setHorizontalHeaderItem( 1, new QTableWidgetItem( tr( "Green" ) ) );
tableTransparency->setHorizontalHeaderItem( 2, new QTableWidgetItem( tr( "Blue" ) ) );
tableTransparency->setHorizontalHeaderItem( 3, new QTableWidgetItem( tr( "Percent Transparent" ) ) );
}
else //1 band
{
tableTransparency->setColumnCount( 3 );
// Is it important to distinguish the header? It becomes difficult with range.
#if 0
if ( QgsRasterLayer::PalettedColor != mRasterLayer->drawingStyle() &&
QgsRasterLayer::PalettedSingleBandGray != mRasterLayer->drawingStyle() &&
QgsRasterLayer::PalettedSingleBandPseudoColor != mRasterLayer->drawingStyle() &&
QgsRasterLayer::PalettedMultiBandColor != mRasterLayer->drawingStyle() )
{
tableTransparency->setHorizontalHeaderItem( 0, new QTableWidgetItem( tr( "Gray" ) ) );
}
else
{
tableTransparency->setHorizontalHeaderItem( 0, new QTableWidgetItem( tr( "Indexed Value" ) ) );
}
#endif
tableTransparency->setHorizontalHeaderItem( 0, new QTableWidgetItem( tr( "From" ) ) );
tableTransparency->setHorizontalHeaderItem( 1, new QTableWidgetItem( tr( "To" ) ) );
tableTransparency->setHorizontalHeaderItem( 2, new QTableWidgetItem( tr( "Percent Transparent" ) ) );
}
tableTransparency->horizontalHeader()->setSectionResizeMode( 0, QHeaderView::Stretch );
tableTransparency->horizontalHeader()->setSectionResizeMode( 1, QHeaderView::Stretch );
}
void QgsRasterLayerProperties::populateTransparencyTable( QgsRasterRenderer *renderer )
{
if ( !mRasterLayer )
{
return;
}
if ( !renderer )
{
return;
}
int nBands = renderer->usesBands().size();
setupTransparencyTable( nBands );
const QgsRasterTransparency *rasterTransparency = renderer->rasterTransparency();
if ( !rasterTransparency )
{
return;
}
if ( nBands == 1 )
{
QList<QgsRasterTransparency::TransparentSingleValuePixel> pixelList = rasterTransparency->transparentSingleValuePixelList();
for ( int i = 0; i < pixelList.size(); ++i )
{
tableTransparency->insertRow( i );
setTransparencyCell( i, 0, pixelList[i].min );
setTransparencyCell( i, 1, pixelList[i].max );
setTransparencyCell( i, 2, pixelList[i].percentTransparent );
// break synchronization only if values differ
if ( pixelList[i].min != pixelList[i].max )
{
setTransparencyToEdited( i );
}
}
}
else if ( nBands == 3 )
{
QList<QgsRasterTransparency::TransparentThreeValuePixel> pixelList = rasterTransparency->transparentThreeValuePixelList();
for ( int i = 0; i < pixelList.size(); ++i )
{
tableTransparency->insertRow( i );
setTransparencyCell( i, 0, pixelList[i].red );
setTransparencyCell( i, 1, pixelList[i].green );
setTransparencyCell( i, 2, pixelList[i].blue );
setTransparencyCell( i, 3, pixelList[i].percentTransparent );
}
}
tableTransparency->resizeColumnsToContents();
tableTransparency->resizeRowsToContents();
}
void QgsRasterLayerProperties::setRendererWidget( const QString &rendererName )
{
QgsDebugMsgLevel( "rendererName = " + rendererName, 3 );
QgsRasterRendererWidget *oldWidget = mRendererWidget;
QgsRasterRenderer *oldRenderer = mRasterLayer->renderer();
int alphaBand = -1;
double opacity = 1;
QColor nodataColor;
if ( oldRenderer )
{
// Retain alpha band and opacity when switching renderer
alphaBand = oldRenderer->alphaBand();
opacity = oldRenderer->opacity();
nodataColor = oldRenderer->nodataColor();
}
QgsRasterRendererRegistryEntry rendererEntry;
if ( QgsApplication::rasterRendererRegistry()->rendererData( rendererName, rendererEntry ) )
{
if ( rendererEntry.widgetCreateFunction ) //single band color data renderer e.g. has no widget
{
QgsDebugMsgLevel( QStringLiteral( "renderer has widgetCreateFunction" ), 3 );
// Current canvas extent (used to calc min/max) in layer CRS
QgsRectangle myExtent = mMapCanvas->mapSettings().outputExtentToLayerExtent( mRasterLayer, mMapCanvas->extent() );
if ( oldWidget && ( !oldRenderer || rendererName != oldRenderer->type() ) )
{
if ( rendererName == QLatin1String( "singlebandgray" ) )
{
whileBlocking( mRasterLayer )->setRenderer( QgsApplication::rasterRendererRegistry()->defaultRendererForDrawingStyle( QgsRaster::SingleBandGray, mRasterLayer->dataProvider() ) );
whileBlocking( mRasterLayer )->setDefaultContrastEnhancement();
}
else if ( rendererName == QLatin1String( "multibandcolor" ) )
{
whileBlocking( mRasterLayer )->setRenderer( QgsApplication::rasterRendererRegistry()->defaultRendererForDrawingStyle( QgsRaster::MultiBandColor, mRasterLayer->dataProvider() ) );
whileBlocking( mRasterLayer )->setDefaultContrastEnhancement();
}
}
mRasterLayer->renderer()->setAlphaBand( alphaBand );
mRasterLayer->renderer()->setOpacity( opacity );
mRasterLayer->renderer()->setNodataColor( nodataColor );
mRendererWidget = rendererEntry.widgetCreateFunction( mRasterLayer, myExtent );
mRendererWidget->setMapCanvas( mMapCanvas );
mRendererStackedWidget->addWidget( mRendererWidget );
if ( oldWidget )
{
//compare used bands in new and old renderer and reset transparency dialog if different
QgsRasterRenderer *oldRenderer = oldWidget->renderer();
QgsRasterRenderer *newRenderer = mRendererWidget->renderer();
QList<int> oldBands = oldRenderer->usesBands();
QList<int> newBands = newRenderer->usesBands();
if ( oldBands != newBands )
{
populateTransparencyTable( newRenderer );
}
delete oldRenderer;
delete newRenderer;
}
}
}
const int widgetIndex = mRenderTypeComboBox->findData( rendererName );
if ( widgetIndex != -1 )
{
mDisableRenderTypeComboBoxCurrentIndexChanged = true;
mRenderTypeComboBox->setCurrentIndex( widgetIndex );
mDisableRenderTypeComboBoxCurrentIndexChanged = false;
}
if ( mRendererWidget != oldWidget )
delete oldWidget;
if ( mHistogramWidget )
{
mHistogramWidget->setRendererWidget( rendererName, mRendererWidget );
}
}
void QgsRasterLayerProperties::sync()
{
QgsSettings myQSettings;
if ( !mSourceWidget )
{
mSourceWidget = QgsGui::sourceWidgetProviderRegistry()->createWidget( mRasterLayer );
if ( mSourceWidget )
{
QHBoxLayout *layout = new QHBoxLayout();
layout->addWidget( mSourceWidget );
mSourceGroupBox->setLayout( layout );
mSourceGroupBox->show();
connect( mSourceWidget, &QgsProviderSourceWidget::validChanged, this, [ = ]( bool isValid )
{
buttonBox->button( QDialogButtonBox::Apply )->setEnabled( isValid );
buttonBox->button( QDialogButtonBox::Ok )->setEnabled( isValid );
} );
}
}
if ( mSourceWidget )
mSourceWidget->setSourceUri( mRasterLayer->source() );
const QgsRasterDataProvider *provider = mRasterLayer->dataProvider();
if ( !provider )
return;
if ( provider->dataType( 1 ) == Qgis::DataType::ARGB32
|| provider->dataType( 1 ) == Qgis::DataType::ARGB32_Premultiplied )
{
gboxNoDataValue->setEnabled( false );
gboxCustomTransparency->setEnabled( false );
mOptionsStackedWidget->setCurrentWidget( mOptsPage_Server );
}
// TODO: Wouldn't it be better to just removeWidget() the tabs than delete them? [LS]
if ( !( provider->capabilities() & QgsRasterDataProvider::BuildPyramids ) )
{
if ( mOptsPage_Pyramids )
{
delete mOptsPage_Pyramids;
mOptsPage_Pyramids = nullptr;
}
}
if ( !( provider->capabilities() & QgsRasterDataProvider::Size ) )
{
if ( mOptsPage_Histogram )
{
delete mOptsPage_Histogram;
mOptsPage_Histogram = nullptr;
delete mHistogramWidget;
mHistogramWidget = nullptr;
}
}
QgsDebugMsgLevel( QStringLiteral( "populate transparency tab" ), 3 );
/*
* Style tab
*/
//set brightness, contrast and gamma
QgsBrightnessContrastFilter *brightnessFilter = mRasterLayer->brightnessFilter();
if ( brightnessFilter )
{
mSliderBrightness->setValue( brightnessFilter->brightness() );
mSliderContrast->setValue( brightnessFilter->contrast() );
mGammaSpinBox->setValue( brightnessFilter->gamma() );
}
// Hue and saturation color control
const QgsHueSaturationFilter *hueSaturationFilter = mRasterLayer->hueSaturationFilter();
//set hue and saturation controls to current values
if ( hueSaturationFilter )
{
sliderSaturation->setValue( hueSaturationFilter->saturation() );
comboGrayscale->setCurrentIndex( ( int ) hueSaturationFilter->grayscaleMode() );
// Set state of saturation controls based on grayscale mode choice
toggleSaturationControls( static_cast<int>( hueSaturationFilter->grayscaleMode() ) );
// Set state of colorize controls
mColorizeCheck->setChecked( hueSaturationFilter->colorizeOn() );
btnColorizeColor->setColor( hueSaturationFilter->colorizeColor() );
toggleColorizeControls( hueSaturationFilter->colorizeOn() );
sliderColorizeStrength->setValue( hueSaturationFilter->colorizeStrength() );
mInvertColorsCheck->setChecked( hueSaturationFilter->invertColors() );
}
/*
* Transparent Pixel Tab
*/
//set the transparency slider
QgsRasterRenderer *renderer = mRasterLayer->renderer();
if ( renderer )
{
mOpacityWidget->setOpacity( renderer->opacity() );
cboxTransparencyBand->setBand( renderer->alphaBand() );
}
//add current NoDataValue to NoDataValue line edit
// TODO: should be per band
// TODO: no data ranges
if ( provider->sourceHasNoDataValue( 1 ) )
{
double v = QgsRasterBlock::printValue( provider->sourceNoDataValue( 1 ) ).toDouble();
lblSrcNoDataValue->setText( QLocale().toString( v, 'g' ) );
}
else
{
lblSrcNoDataValue->setText( tr( "not defined" ) );
}
mSrcNoDataValueCheckBox->setChecked( provider->useSourceNoDataValue( 1 ) );
bool enableSrcNoData = provider->sourceHasNoDataValue( 1 ) && !std::isnan( provider->sourceNoDataValue( 1 ) );
mSrcNoDataValueCheckBox->setEnabled( enableSrcNoData );
lblSrcNoDataValue->setEnabled( enableSrcNoData );
QgsRasterRangeList noDataRangeList = provider->userNoDataValues( 1 );
QgsDebugMsgLevel( QStringLiteral( "noDataRangeList.size = %1" ).arg( noDataRangeList.size() ), 3 );
if ( !noDataRangeList.isEmpty() )
{
leNoDataValue->insert( QgsRasterBlock::printValue( noDataRangeList.value( 0 ).min() ) );
}
else
{
leNoDataValue->insert( QString() );
}
mRefreshLayerCheckBox->setChecked( mRasterLayer->hasAutoRefreshEnabled() );
mRefreshLayerIntervalSpinBox->setEnabled( mRasterLayer->hasAutoRefreshEnabled() );
mRefreshLayerIntervalSpinBox->setValue( mRasterLayer->autoRefreshInterval() / 1000.0 );
populateTransparencyTable( mRasterLayer->renderer() );
QgsDebugMsgLevel( QStringLiteral( "populate colormap tab" ), 3 );
/*
* Transparent Pixel Tab
*/
QgsDebugMsgLevel( QStringLiteral( "populate general tab" ), 3 );
/*
* General Tab
*/
mLayerOrigNameLineEd->setText( mRasterLayer->name() );
QgsDebugMsgLevel( QStringLiteral( "populate metadata tab" ), 2 );
/*
* Metadata Tab
*/
//populate the metadata tab's text browser widget with gdal metadata info
updateInformationContent();
// WMS Name as layer short name
mLayerShortNameLineEdit->setText( mRasterLayer->shortName() );
// WMS Name validator
QValidator *shortNameValidator = new QRegularExpressionValidator( QgsApplication::shortNameRegularExpression(), this );
mLayerShortNameLineEdit->setValidator( shortNameValidator );
//layer title and abstract
mLayerTitleLineEdit->setText( mRasterLayer->title() );
mLayerAbstractTextEdit->setPlainText( mRasterLayer->abstract() );
mLayerKeywordListLineEdit->setText( mRasterLayer->keywordList() );
mLayerDataUrlLineEdit->setText( mRasterLayer->dataUrl() );
mLayerDataUrlFormatComboBox->setCurrentIndex(
mLayerDataUrlFormatComboBox->findText(
mRasterLayer->dataUrlFormat()
)
);
//layer attribution and metadataUrl
mLayerAttributionLineEdit->setText( mRasterLayer->attribution() );
mLayerAttributionUrlLineEdit->setText( mRasterLayer->attributionUrl() );
mLayerMetadataUrlLineEdit->setText( mRasterLayer->metadataUrl() );
mLayerMetadataUrlTypeComboBox->setCurrentIndex(
mLayerMetadataUrlTypeComboBox->findText(
mRasterLayer->metadataUrlType()
)
);
mLayerMetadataUrlFormatComboBox->setCurrentIndex(
mLayerMetadataUrlFormatComboBox->findText(
mRasterLayer->metadataUrlFormat()
)
);
mLayerLegendUrlLineEdit->setText( mRasterLayer->legendUrl() );
mLayerLegendUrlFormatComboBox->setCurrentIndex( mLayerLegendUrlFormatComboBox->findText( mRasterLayer->legendUrlFormat() ) );
//WMS print layer
QVariant wmsPrintLayer = mRasterLayer->customProperty( QStringLiteral( "WMSPrintLayer" ) );
if ( wmsPrintLayer.isValid() )
{
mWMSPrintLayerLineEdit->setText( wmsPrintLayer.toString() );
}
QVariant wmsPublishDataSourceUrl = mRasterLayer->customProperty( QStringLiteral( "WMSPublishDataSourceUrl" ), false );
mPublishDataSourceUrlCheckBox->setChecked( wmsPublishDataSourceUrl.toBool() );
QVariant wmsBackgroundLayer = mRasterLayer->customProperty( QStringLiteral( "WMSBackgroundLayer" ), false );
mBackgroundLayerCheckBox->setChecked( wmsBackgroundLayer.toBool() );
mLegendPlaceholderWidget->setLastPathSettingsKey( QStringLiteral( "lastLegendPlaceholderDir" ) );
mLegendPlaceholderWidget->setSource( mRasterLayer->legendPlaceholderImage() );
mLegendConfigEmbeddedWidget->setLayer( mRasterLayer );
mTemporalWidget->syncToLayer();
mPropertyCollection = mRasterLayer->pipe()->dataDefinedProperties();
updateDataDefinedButtons();
for ( QgsMapLayerConfigWidget *page : std::as_const( mLayerPropertiesPages ) )
{
page->syncToLayer( mRasterLayer );
}
}
void QgsRasterLayerProperties::apply()
{
if ( mSourceWidget )
{
const QString newSource = mSourceWidget->sourceUri();
if ( newSource != mRasterLayer->source() )
{
mRasterLayer->setDataSource( newSource, mRasterLayer->name(), mRasterLayer->providerType(), QgsDataProvider::ProviderOptions() );
}
}
// Do nothing on "bad" layers
if ( !mRasterLayer->isValid() )
return;
/*
* Legend Tab
*/
mRasterLayer->setLegendPlaceholderImage( mLegendPlaceholderWidget->source() );
mLegendConfigEmbeddedWidget->applyToLayer();
QgsDebugMsgLevel( QStringLiteral( "apply processing symbology tab" ), 3 );
/*
* Symbology Tab
*/
//set whether the layer histogram should be inverted
//mRasterLayer->setInvertHistogram( cboxInvertColorMap->isChecked() );
mRasterLayer->brightnessFilter()->setBrightness( mSliderBrightness->value() );
mRasterLayer->brightnessFilter()->setContrast( mSliderContrast->value() );
mRasterLayer->brightnessFilter()->setGamma( mGammaSpinBox->value() );
QgsDebugMsgLevel( QStringLiteral( "processing transparency tab" ), 3 );
/*
* Transparent Pixel Tab
*/
//set NoDataValue
QgsRasterRangeList myNoDataRangeList;
if ( "" != leNoDataValue->text() )
{
bool myDoubleOk = false;
double myNoDataValue = QgsDoubleValidator::toDouble( leNoDataValue->text(), &myDoubleOk );
if ( myDoubleOk )
{
QgsRasterRange myNoDataRange( myNoDataValue, myNoDataValue );
myNoDataRangeList << myNoDataRange;
}
}
for ( int bandNo = 1; bandNo <= mRasterLayer->dataProvider()->bandCount(); bandNo++ )
{
mRasterLayer->dataProvider()->setUserNoDataValue( bandNo, myNoDataRangeList );
mRasterLayer->dataProvider()->setUseSourceNoDataValue( bandNo, mSrcNoDataValueCheckBox->isChecked() );
}
//set renderer from widget
QgsRasterRendererWidget *rendererWidget = dynamic_cast<QgsRasterRendererWidget *>( mRendererStackedWidget->currentWidget() );
if ( rendererWidget )
{
rendererWidget->doComputations();
mRasterLayer->setRenderer( rendererWidget->renderer() );
}
mMetadataWidget->acceptMetadata();
mMetadataFilled = false;
//transparency settings