QGIS/src/gui/raster/qgsrasterlayerproperties.cpp
2020-05-10 17:01:44 +10:00

2386 lines
92 KiB
C++

/***************************************************************************
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 "qgsbilinearrasterresampler.h"
#include "qgsbrightnesscontrastfilter.h"
#include "qgscontrastenhancement.h"
#include "qgscoordinatetransform.h"
#include "qgscubicrasterresampler.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 "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 "qgsrasterresamplefilter.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 "qgsrasterlayertemporalpropertieswidget.h"
#include "qgsprojecttimesettings.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>
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 );
connect( mLayerOrigNameLineEd, &QLineEdit::textEdited, this, &QgsRasterLayerProperties::mLayerOrigNameLineEd_textEdited );
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 );
connect( mSetEndAsStartStaticButton, &QPushButton::clicked, this, &QgsRasterLayerProperties::setEndAsStartStaticButton_clicked );
connect( mProjectTemporalRange, &QRadioButton::toggled, this, &QgsRasterLayerProperties::passProjectTemporalRange_toggled );
connect( mStaticTemporalRange, &QRadioButton::toggled, this, &QgsRasterLayerProperties::staticTemporalRange_toggled );
connect( mStaticTemporalRange, &QRadioButton::toggled, mStaticWmstFrame, &QWidget::setEnabled );
connect( mReferenceTime, &QCheckBox::toggled, mWmstReferenceTimeFrame, &QWidget::setEnabled );
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 );
connect( mSliderContrast, &QAbstractSlider::valueChanged, mContrastSpinBox, &QSpinBox::setValue );
connect( mContrastSpinBox, static_cast < void ( QSpinBox::* )( int ) > ( &QSpinBox::valueChanged ), mSliderContrast, &QAbstractSlider::setValue );
// 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 );
// 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 );
// 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 QDoubleValidator( -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 = qgis::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;
}
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
QList< QgsRasterPyramid > myPyramidList = provider->buildPyramidList();
QList< QgsRasterPyramid >::iterator myRasterPyramidIterator;
for ( myRasterPyramidIterator = myPyramidList.begin();
myRasterPyramidIterator != myPyramidList.end();
++myRasterPyramidIterator )
{
if ( myRasterPyramidIterator->exists )
{
lbxPyramidResolutions->addItem( new QListWidgetItem( myPyramidPixmap,
QString::number( myRasterPyramidIterator->xDim ) + QStringLiteral( " x " ) +
QString::number( myRasterPyramidIterator->yDim ) ) );
}
else
{
lbxPyramidResolutions->addItem( new QListWidgetItem( myNoPyramidPixmap,
QString::number( myRasterPyramidIterator->xDim ) + QStringLiteral( " x " ) +
QString::number( myRasterPyramidIterator->yDim ) ) );
}
}
}
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->setMargin( 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 );
setSourceStaticTimeState();
mWmstGroup->setVisible( mRasterLayer->providerType() == QLatin1String( "wms" ) && mRasterLayer->dataProvider() && mRasterLayer->dataProvider()->temporalCapabilities()->hasTemporalCapabilities() );
// This group is used to define the temporal capabilities of the PG raster layer
if ( mRasterLayer->dataProvider() && mRasterLayer->providerType() == QLatin1String( "postgresraster" ) )
{
mPostgresRasterTemporalGroup->setEnabled( true );
mPostgresRasterTemporalGroup->setVisible( true );
mPostgresRasterTemporalGroup->setChecked( false );
const QgsFields fields { mRasterLayer->dataProvider()->fields() };
mPostgresRasterTemporalFieldComboBox->setFields( fields );
mPostgresRasterTemporalFieldComboBox->setFilters( QgsFieldProxyModel::Filter::Date |
QgsFieldProxyModel::Filter::DateTime |
QgsFieldProxyModel::Filter::String );
mPostgresRasterTemporalFieldComboBox->setAllowEmptyFieldName( true );
connect( mPostgresRasterTemporalFieldComboBox, &QgsFieldComboBox::fieldChanged, this, [ = ]( const QString & fieldName )
{
mPostgresRasterDefaultTime->setEnabled( ! fieldName.isEmpty() );
} );
mPostgresRasterDefaultTime->setAllowNull( true );
mPostgresRasterDefaultTime->setEmpty();
if ( mRasterLayer->dataProvider()->uri().hasParam( QStringLiteral( "temporalFieldIndex" ) ) )
{
bool ok;
const int fieldIdx { mRasterLayer->dataProvider()->uri().param( QStringLiteral( "temporalFieldIndex" ) ).toInt( &ok ) };
if ( ok && fields.exists( fieldIdx ) )
{
mPostgresRasterTemporalGroup->setChecked( true );
mPostgresRasterTemporalFieldComboBox->setField( fields.field( fieldIdx ).name() );
if ( mRasterLayer->dataProvider()->uri().hasParam( QStringLiteral( "temporalDefaultTime" ) ) )
{
const QDateTime defaultDateTime { QDateTime::fromString( mRasterLayer->dataProvider()->uri().param( QStringLiteral( "temporalDefaultTime" ) ), Qt::DateFormat::ISODate ) };
if ( defaultDateTime.isValid() )
{
mPostgresRasterDefaultTime->setDateTime( defaultDateTime );
}
}
}
}
}
else
{
mPostgresRasterTemporalGroup->setEnabled( false );
mPostgresRasterTemporalGroup->setVisible( false );
}
QgsDebugMsg( "Setting crs to " + mRasterLayer->crs().toWkt( QgsCoordinateReferenceSystem::WKT_PREFERRED ) );
QgsDebugMsg( "Setting crs to " + mRasterLayer->crs().userFriendlyIdentifier() );
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 );
const QgsRasterRenderer *renderer = mRasterLayer->renderer();
mZoomedInResamplingComboBox->insertItem( 0, tr( "Nearest neighbour" ) );
mZoomedInResamplingComboBox->insertItem( 1, tr( "Bilinear" ) );
mZoomedInResamplingComboBox->insertItem( 2, tr( "Cubic" ) );
mZoomedOutResamplingComboBox->insertItem( 0, tr( "Nearest neighbour" ) );
mZoomedOutResamplingComboBox->insertItem( 1, tr( "Average" ) );
const QgsRasterResampleFilter *resampleFilter = mRasterLayer->resampleFilter();
//set combo boxes to current resampling types
if ( resampleFilter )
{
const QgsRasterResampler *zoomedInResampler = resampleFilter->zoomedInResampler();
if ( zoomedInResampler )
{
if ( zoomedInResampler->type() == QLatin1String( "bilinear" ) )
{
mZoomedInResamplingComboBox->setCurrentIndex( 1 );
}
else if ( zoomedInResampler->type() == QLatin1String( "cubic" ) )
{
mZoomedInResamplingComboBox->setCurrentIndex( 2 );
}
}
else
{
mZoomedInResamplingComboBox->setCurrentIndex( 0 );
}
const QgsRasterResampler *zoomedOutResampler = resampleFilter->zoomedOutResampler();
if ( zoomedOutResampler )
{
if ( zoomedOutResampler->type() == QLatin1String( "bilinear" ) ) //bilinear resampler does averaging when zooming out
{
mZoomedOutResamplingComboBox->setCurrentIndex( 1 );
}
}
else
{
mZoomedOutResamplingComboBox->setCurrentIndex( 0 );
}
mMaximumOversamplingSpinBox->setValue( resampleFilter->maxOversampling() );
}
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() );
}
//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() != QStringLiteral( "wms" ) )
{
mWMSPrintGroupBox->hide();
mPublishDataSourceUrlCheckBox->hide();
mBackgroundLayerCheckBox->hide();
}
}
#ifdef WITH_QTWEBKIT
// Setup information tab
#if QT_VERSION < QT_VERSION_CHECK(5, 10, 0)
const int horizontalDpi = qApp->desktop()->screen()->logicalDpiX();
#else
const int horizontalDpi = logicalDpiX();
#endif
// 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
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 = QString( 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::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 )
{
QgsDebugMsg( "rendererName = " + rendererName );
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
{
QgsDebugMsg( QStringLiteral( "renderer has widgetCreateFunction" ) );
// 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 );
}
}
/**
\note moved from ctor
Previously this dialog was created anew with each right-click pop-up menu
invocation. Changed so that the dialog always exists after first
invocation, and is just re-synchronized with its layer's state when
re-shown.
*/
void QgsRasterLayerProperties::sync()
{
QgsSettings myQSettings;
const QgsRasterDataProvider *provider = mRasterLayer->dataProvider();
if ( !provider )
return;
if ( provider->dataType( 1 ) == Qgis::ARGB32
|| provider->dataType( 1 ) == Qgis::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;
}
}
QgsDebugMsg( QStringLiteral( "populate transparency tab" ) );
/*
* Style tab (brightness and contrast)
*/
QgsBrightnessContrastFilter *brightnessFilter = mRasterLayer->brightnessFilter();
if ( brightnessFilter )
{
mSliderBrightness->setValue( brightnessFilter->brightness() );
mSliderContrast->setValue( brightnessFilter->contrast() );
}
//set the transparency slider
/*
* 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 ) )
{
lblSrcNoDataValue->setText( QgsRasterBlock::printValue( provider->sourceNoDataValue( 1 ) ) );
}
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 );
QgsDebugMsg( QStringLiteral( "noDataRangeList.size = %1" ).arg( noDataRangeList.size() ) );
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() );
QgsDebugMsg( QStringLiteral( "populate colormap tab" ) );
/*
* Transparent Pixel Tab
*/
QgsDebugMsg( QStringLiteral( "populate general tab" ) );
/*
* General Tab
*/
//these properties (layer name and label) are provided by the qgsmaplayer superclass
mLayerOrigNameLineEd->setText( mRasterLayer->name() );
leDisplayName->setText( mRasterLayer->name() );
//get the thumbnail for the layer
QPixmap thumbnail = QPixmap::fromImage( mRasterLayer->previewAsImage( pixmapThumbnail->size() ) );
pixmapThumbnail->setPixmap( thumbnail );
// TODO fix legend + palette pixmap
//update the legend pixmap on this dialog
#if 0
pixmapLegend->setPixmap( mRasterLayer->legendAsPixmap() );
pixmapLegend->setScaledContents( true );
pixmapLegend->repaint();
//set the palette pixmap
pixmapPalette->setPixmap( mRasterLayer->paletteAsPixmap( mRasterLayer->bandNumber( mRasterLayer->grayBandName() ) ) );
pixmapPalette->setScaledContents( true );
pixmapPalette->repaint();
#endif
QgsDebugMsg( QStringLiteral( "populate metadata tab" ) );
/*
* 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 QRegExpValidator( QgsApplication::shortNameRegExp(), 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() );
/*
* Legend Tab
*/
mLegendConfigEmbeddedWidget->setLayer( mRasterLayer );
} // QgsRasterLayerProperties::sync()
/*
*
* PUBLIC AND PRIVATE SLOTS
*
*/
void QgsRasterLayerProperties::apply()
{
// Do nothing on "bad" layers
if ( !mRasterLayer->isValid() )
return;
/*
* Legend Tab
*/
mLegendConfigEmbeddedWidget->applyToLayer();
QgsDebugMsg( QStringLiteral( "apply processing symbology tab" ) );
/*
* Symbology Tab
*/
//set whether the layer histogram should be inverted
//mRasterLayer->setInvertHistogram( cboxInvertColorMap->isChecked() );
mRasterLayer->brightnessFilter()->setBrightness( mSliderBrightness->value() );
mRasterLayer->brightnessFilter()->setContrast( mSliderContrast->value() );
QgsDebugMsg( QStringLiteral( "processing transparency tab" ) );
/*
* Transparent Pixel Tab
*/
//set NoDataValue
QgsRasterRangeList myNoDataRangeList;
if ( "" != leNoDataValue->text() )
{
bool myDoubleOk = false;
double myNoDataValue = leNoDataValue->text().toDouble( &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
QgsRasterRenderer *rasterRenderer = mRasterLayer->renderer();
if ( rasterRenderer )
{
rasterRenderer->setAlphaBand( cboxTransparencyBand->currentBand() );
//Walk through each row in table and test value. If not valid set to 0.0 and continue building transparency list
QgsRasterTransparency *rasterTransparency = new QgsRasterTransparency();
if ( tableTransparency->columnCount() == 4 )
{
QgsRasterTransparency::TransparentThreeValuePixel myTransparentPixel;
QList<QgsRasterTransparency::TransparentThreeValuePixel> myTransparentThreeValuePixelList;
for ( int myListRunner = 0; myListRunner < tableTransparency->rowCount(); myListRunner++ )
{
myTransparentPixel.red = transparencyCellValue( myListRunner, 0 );
myTransparentPixel.green = transparencyCellValue( myListRunner, 1 );
myTransparentPixel.blue = transparencyCellValue( myListRunner, 2 );
myTransparentPixel.percentTransparent = transparencyCellValue( myListRunner, 3 );
myTransparentThreeValuePixelList.append( myTransparentPixel );
}
rasterTransparency->setTransparentThreeValuePixelList( myTransparentThreeValuePixelList );
}
else if ( tableTransparency->columnCount() == 3 )
{
QgsRasterTransparency::TransparentSingleValuePixel myTransparentPixel;
QList<QgsRasterTransparency::TransparentSingleValuePixel> myTransparentSingleValuePixelList;
for ( int myListRunner = 0; myListRunner < tableTransparency->rowCount(); myListRunner++ )
{
myTransparentPixel.min = transparencyCellValue( myListRunner, 0 );
myTransparentPixel.max = transparencyCellValue( myListRunner, 1 );
myTransparentPixel.percentTransparent = transparencyCellValue( myListRunner, 2 );
myTransparentSingleValuePixelList.append( myTransparentPixel );
}
rasterTransparency->setTransparentSingleValuePixelList( myTransparentSingleValuePixelList );
}
rasterRenderer->setRasterTransparency( rasterTransparency );
//set global transparency
rasterRenderer->setOpacity( mOpacityWidget->opacity() );
}
QgsDebugMsg( QStringLiteral( "processing general tab" ) );
/*
* General Tab
*/
mRasterLayer->setName( mLayerOrigNameLineEd->text() );
// set up the scale based layer visibility stuff....
mRasterLayer->setScaleBasedVisibility( chkUseScaleDependentRendering->isChecked() );
mRasterLayer->setMinimumScale( mScaleRangeWidget->minimumScale() );
mRasterLayer->setMaximumScale( mScaleRangeWidget->maximumScale() );
mRasterLayer->setAutoRefreshInterval( mRefreshLayerIntervalSpinBox->value() * 1000.0 );
mRasterLayer->setAutoRefreshEnabled( mRefreshLayerCheckBox->isChecked() );
//update the legend pixmap
// pixmapLegend->setPixmap( mRasterLayer->legendAsPixmap() );
// pixmapLegend->setScaledContents( true );
// pixmapLegend->repaint();
QgsRasterResampleFilter *resampleFilter = mRasterLayer->resampleFilter();
if ( resampleFilter )
{
QgsRasterResampler *zoomedInResampler = nullptr;
QString zoomedInResamplingMethod = mZoomedInResamplingComboBox->currentText();
if ( zoomedInResamplingMethod == tr( "Bilinear" ) )
{
zoomedInResampler = new QgsBilinearRasterResampler();
}
else if ( zoomedInResamplingMethod == tr( "Cubic" ) )
{
zoomedInResampler = new QgsCubicRasterResampler();
}
resampleFilter->setZoomedInResampler( zoomedInResampler );
//raster resampling
QgsRasterResampler *zoomedOutResampler = nullptr;
QString zoomedOutResamplingMethod = mZoomedOutResamplingComboBox->currentText();
if ( zoomedOutResamplingMethod == tr( "Average" ) )
{
zoomedOutResampler = new QgsBilinearRasterResampler();
}
resampleFilter->setZoomedOutResampler( zoomedOutResampler );
resampleFilter->setMaxOversampling( mMaximumOversamplingSpinBox->value() );
}
// Hue and saturation controls
QgsHueSaturationFilter *hueSaturationFilter = mRasterLayer->hueSaturationFilter();
if ( hueSaturationFilter )
{
hueSaturationFilter->setSaturation( sliderSaturation->value() );
hueSaturationFilter->setGrayscaleMode( ( QgsHueSaturationFilter::GrayscaleMode ) comboGrayscale->currentIndex() );
hueSaturationFilter->setColorizeOn( mColorizeCheck->checkState() );
hueSaturationFilter->setColorizeColor( btnColorizeColor->color() );
hueSaturationFilter->setColorizeStrength( sliderColorizeStrength->value() );
}
//set the blend mode for the layer
mRasterLayer->setBlendMode( mBlendModeComboBox->blendMode() );
updateSourceStaticTime();
// Update temporal field
if ( mRasterLayer->dataProvider() )
{
QgsDataSourceUri uri { mRasterLayer->dataProvider()->uri() };
if ( mPostgresRasterTemporalGroup->isEnabled() &&
mPostgresRasterTemporalGroup->isChecked() &&
! mPostgresRasterTemporalFieldComboBox->currentField().isEmpty() )
{
const QString originaUri { uri.uri() };
const int fieldIdx { mRasterLayer->dataProvider()->fields().lookupField( mPostgresRasterTemporalFieldComboBox->currentField() ) };
uri.removeParam( QStringLiteral( "temporalFieldIndex" ) );
uri.removeParam( QStringLiteral( "temporalDefaultTime" ) );
if ( fieldIdx >= 0 )
{
uri.setParam( QStringLiteral( "temporalFieldIndex" ), QString::number( fieldIdx ) );
if ( mPostgresRasterDefaultTime->dateTime().isValid() )
{
QDateTime defaultDateTime { mPostgresRasterDefaultTime->dateTime() };
const QTime defaultTime { defaultDateTime.time() };
// Set secs to 0
defaultDateTime.setTime( { defaultTime.hour(), defaultTime.minute(), 0 } );
uri.setParam( QStringLiteral( "temporalDefaultTime" ), defaultDateTime.toString( Qt::DateFormat::ISODate ) );
}
if ( uri.uri( ) != originaUri )
mRasterLayer->setDataSource( uri.uri(), mRasterLayer->name(), mRasterLayer->providerType(), QgsDataProvider::ProviderOptions() );
}
}
else if ( uri.hasParam( QStringLiteral( "temporalFieldIndex" ) ) )
{
uri.removeParam( QStringLiteral( "temporalFieldIndex" ) );
uri.removeParam( QStringLiteral( "temporalDefaultTime" ) );
mRasterLayer->setDataSource( uri.uri(), mRasterLayer->name(), mRasterLayer->providerType(), QgsDataProvider::ProviderOptions() );
}
}
// Update temporal properties
mTemporalWidget->saveTemporalProperties();
//get the thumbnail for the layer
QPixmap thumbnail = QPixmap::fromImage( mRasterLayer->previewAsImage( pixmapThumbnail->size() ) );
pixmapThumbnail->setPixmap( thumbnail );
if ( mRasterLayer->shortName() != mLayerShortNameLineEdit->text() )
mMetadataFilled = false;
mRasterLayer->setShortName( mLayerShortNameLineEdit->text() );
if ( mRasterLayer->title() != mLayerTitleLineEdit->text() )
mMetadataFilled = false;
mRasterLayer->setTitle( mLayerTitleLineEdit->text() );
if ( mRasterLayer->abstract() != mLayerAbstractTextEdit->toPlainText() )
mMetadataFilled = false;
mRasterLayer->setAbstract( mLayerAbstractTextEdit->toPlainText() );
if ( mRasterLayer->keywordList() != mLayerKeywordListLineEdit->text() )
mMetadataFilled = false;
mRasterLayer->setKeywordList( mLayerKeywordListLineEdit->text() );
if ( mRasterLayer->dataUrl() != mLayerDataUrlLineEdit->text() )
mMetadataFilled = false;
mRasterLayer->setDataUrl( mLayerDataUrlLineEdit->text() );
if ( mRasterLayer->dataUrlFormat() != mLayerDataUrlFormatComboBox->currentText() )
mMetadataFilled = false;
mRasterLayer->setDataUrlFormat( mLayerDataUrlFormatComboBox->currentText() );
//layer attribution and metadataUrl
if ( mRasterLayer->attribution() != mLayerAttributionLineEdit->text() )
mMetadataFilled = false;
mRasterLayer->setAttribution( mLayerAttributionLineEdit->text() );
if ( mRasterLayer->attributionUrl() != mLayerAttributionUrlLineEdit->text() )
mMetadataFilled = false;
mRasterLayer->setAttributionUrl( mLayerAttributionUrlLineEdit->text() );
if ( mRasterLayer->metadataUrl() != mLayerMetadataUrlLineEdit->text() )
mMetadataFilled = false;
mRasterLayer->setMetadataUrl( mLayerMetadataUrlLineEdit->text() );
if ( mRasterLayer->metadataUrlType() != mLayerMetadataUrlTypeComboBox->currentText() )
mMetadataFilled = false;
mRasterLayer->setMetadataUrlType( mLayerMetadataUrlTypeComboBox->currentText() );
if ( mRasterLayer->metadataUrlFormat() != mLayerMetadataUrlFormatComboBox->currentText() )
mMetadataFilled = false;
mRasterLayer->setMetadataUrlFormat( mLayerMetadataUrlFormatComboBox->currentText() );
if ( mRasterLayer->legendUrl() != mLayerLegendUrlLineEdit->text() )
mMetadataFilled = false;
mRasterLayer->setLegendUrl( mLayerLegendUrlLineEdit->text() );
if ( mRasterLayer->legendUrlFormat() != mLayerLegendUrlFormatComboBox->currentText() )
mMetadataFilled = false;
mRasterLayer->setLegendUrlFormat( mLayerLegendUrlFormatComboBox->currentText() );
if ( !mWMSPrintLayerLineEdit->text().isEmpty() )
{
mRasterLayer->setCustomProperty( QStringLiteral( "WMSPrintLayer" ), mWMSPrintLayerLineEdit->text() );
}
mRasterLayer->setCustomProperty( "WMSPublishDataSourceUrl", mPublishDataSourceUrlCheckBox->isChecked() );
mRasterLayer->setCustomProperty( "WMSBackgroundLayer", mBackgroundLayerCheckBox->isChecked() );
// Force a redraw of the legend
mRasterLayer->setLegend( QgsMapLayerLegend::defaultRasterLegend( mRasterLayer ) );
//make sure the layer is redrawn
mRasterLayer->triggerRepaint();
// notify the project we've made a change
QgsProject::instance()->setDirty( true );
}//apply
void QgsRasterLayerProperties::updateSourceStaticTime()
{
QgsProviderMetadata *metadata = QgsProviderRegistry::instance()->providerMetadata(
mRasterLayer->providerType() );
QVariantMap uri = metadata->decodeUri( mRasterLayer->dataProvider()->dataSourceUri() );
if ( mWmstGroup->isVisibleTo( this ) )
uri[ QStringLiteral( "allowTemporalUpdates" ) ] = mWmstGroup->isChecked();
if ( mWmstGroup->isEnabled() &&
mRasterLayer->dataProvider() &&
mRasterLayer->dataProvider()->temporalCapabilities()->hasTemporalCapabilities() )
{
if ( mStaticTemporalRange->isChecked() )
{
QString time = mStartStaticDateTimeEdit->dateTime().toString( Qt::ISODateWithMs ) + '/' +
mEndStaticDateTimeEdit->dateTime().toString( Qt::ISODateWithMs );
uri[ QStringLiteral( "time" ) ] = time;
uri[ QStringLiteral( "temporalSource" ) ] = QLatin1String( "provider" );
}
if ( mProjectTemporalRange->isChecked() )
{
QgsDateTimeRange range;
if ( QgsProject::instance()->timeSettings() )
range = QgsProject::instance()->timeSettings()->temporalRange();
if ( range.begin().isValid() && range.end().isValid() )
{
QString time = range.begin().toString( Qt::ISODateWithMs ) + '/' +
range.end().toString( Qt::ISODateWithMs );
uri[ QStringLiteral( "time" ) ] = time;
uri[ QStringLiteral( "temporalSource" ) ] = QLatin1String( "project" );
}
}
if ( mReferenceTime->isChecked() )
{
QString referenceTime = mReferenceDateTimeEdit->dateTime().toString( Qt::ISODateWithMs );
uri[ QStringLiteral( "referenceTime" ) ] = referenceTime;
}
else
{
if ( uri.contains( QStringLiteral( "referenceTime" ) ) )
uri.remove( QStringLiteral( "referenceTime" ) );
}
bool enableTime = !mDisableTime->isChecked();
uri[ QStringLiteral( "enableTime" ) ] = enableTime;
qobject_cast< QgsRasterLayerTemporalProperties * >( mRasterLayer->temporalProperties() )->setIntervalHandlingMethod( static_cast< QgsRasterDataProviderTemporalCapabilities::IntervalHandlingMethod >(
mFetchModeComboBox->currentData().toInt() ) );
}
mRasterLayer->setDataSource( metadata->encodeUri( uri ), mRasterLayer->name(), mRasterLayer->providerType(), QgsDataProvider::ProviderOptions() );
}
void QgsRasterLayerProperties::setSourceStaticTimeState()
{
if ( mRasterLayer->dataProvider() && mRasterLayer->dataProvider()->temporalCapabilities()->hasTemporalCapabilities() )
{
const QgsDateTimeRange availableProviderRange = mRasterLayer->dataProvider()->temporalCapabilities()->availableTemporalRange();
const QgsDateTimeRange availableReferenceRange = mRasterLayer->dataProvider()->temporalCapabilities()->availableReferenceTemporalRange();
QgsProviderMetadata *metadata = QgsProviderRegistry::instance()->providerMetadata(
mRasterLayer->providerType() );
QVariantMap uri = metadata->decodeUri( mRasterLayer->dataProvider()->dataSourceUri() );
mStartStaticDateTimeEdit->setDisplayFormat( "yyyy-MM-dd HH:mm:ss" );
mEndStaticDateTimeEdit->setDisplayFormat( "yyyy-MM-dd HH:mm:ss" );
mReferenceDateTimeEdit->setDisplayFormat( "yyyy-MM-dd HH:mm:ss" );
// setup maximum extents for widgets, based on provider's capabilities
if ( availableProviderRange.begin().isValid() && availableProviderRange.end().isValid() )
{
mStartStaticDateTimeEdit->setDateTimeRange( availableProviderRange.begin(),
availableProviderRange.end() );
mStartStaticDateTimeEdit->setDateTime( availableProviderRange.begin() );
mEndStaticDateTimeEdit->setDateTimeRange( availableProviderRange.begin(),
availableProviderRange.end() );
mEndStaticDateTimeEdit->setDateTime( availableProviderRange.end() );
}
if ( availableReferenceRange.begin().isValid() && availableReferenceRange.end().isValid() )
{
mReferenceDateTimeEdit->setDateTimeRange( availableReferenceRange.begin(),
availableReferenceRange.end() );
mReferenceDateTimeEdit->setDateTime( availableReferenceRange.begin() );
}
const QString time = uri.value( QStringLiteral( "time" ) ).toString();
if ( !time.isEmpty() )
{
QStringList parts = time.split( '/' );
mStartStaticDateTimeEdit->setDateTime( QDateTime::fromString( parts.at( 0 ), Qt::ISODateWithMs ) );
mEndStaticDateTimeEdit->setDateTime( QDateTime::fromString( parts.at( 1 ), Qt::ISODateWithMs ) );
}
const QString referenceTimeExtent = uri.value( QStringLiteral( "referenceTimeDimensionExtent" ) ).toString();
mReferenceTime->setEnabled( !referenceTimeExtent.isEmpty() );
mReferenceDateTimeEdit->setVisible( !referenceTimeExtent.isEmpty() );
QString referenceTimeLabelText = referenceTimeExtent.isEmpty() ?
tr( "There is no reference time in the layer's capabilities." ) : QString();
mReferenceTimeLabel->setText( referenceTimeLabelText );
const QString referenceTime = uri.value( QStringLiteral( "referenceTime" ) ).toString();
mReferenceTime->setChecked( !referenceTime.isEmpty() );
if ( !referenceTime.isEmpty() && !referenceTimeExtent.isEmpty() )
{
mReferenceDateTimeEdit->setDateTime( QDateTime::fromString( referenceTime, Qt::ISODateWithMs ) );
}
mFetchModeComboBox->addItem( tr( "Use Whole Temporal Range" ), QgsRasterDataProviderTemporalCapabilities::MatchUsingWholeRange );
mFetchModeComboBox->addItem( tr( "Match to Start of Range" ), QgsRasterDataProviderTemporalCapabilities::MatchExactUsingStartOfRange );
mFetchModeComboBox->addItem( tr( "Match to End of Range" ), QgsRasterDataProviderTemporalCapabilities::MatchExactUsingEndOfRange );
mFetchModeComboBox->addItem( tr( "Closest Match to Start of Range" ), QgsRasterDataProviderTemporalCapabilities::FindClosestMatchToStartOfRange );
mFetchModeComboBox->addItem( tr( "Closest Match to End of Range" ), QgsRasterDataProviderTemporalCapabilities::FindClosestMatchToEndOfRange );
mFetchModeComboBox->setCurrentIndex( mFetchModeComboBox->findData( qobject_cast< QgsRasterLayerTemporalProperties * >( mRasterLayer->temporalProperties() )->intervalHandlingMethod() ) );
const QString temporalSource = uri.value( QStringLiteral( "temporalSource" ) ).toString();
bool enableTime = uri.value( QStringLiteral( "enableTime" ), true ).toBool();
if ( temporalSource == QLatin1String( "provider" ) )
mStaticTemporalRange->setChecked( !time.isEmpty() );
else if ( temporalSource == QLatin1String( "project" ) )
mProjectTemporalRange->setChecked( !time.isEmpty() );
mDisableTime->setChecked( !enableTime );
mWmstGroup->setChecked( uri.contains( QStringLiteral( "allowTemporalUpdates" ) ) &&
uri.value( QStringLiteral( "allowTemporalUpdates" ), true ).toBool() );
}
}
void QgsRasterLayerProperties::staticTemporalRange_toggled( bool checked )
{
if ( checked )
{
mLabel->clear();
}
}
void QgsRasterLayerProperties::passProjectTemporalRange_toggled( bool checked )
{
if ( checked )
{
QgsDateTimeRange range;
if ( QgsProject::instance()->timeSettings() )
range = QgsProject::instance()->timeSettings()->temporalRange();
if ( range.begin().isValid() && range.end().isValid() )
mLabel->setText( tr( "Project temporal range is set from %1 to %2" ).arg(
range.begin().toString( "yyyy-MM-dd HH:mm:ss" ),
range.end().toString( "yyyy-MM-dd HH:mm:ss" )
) );
else
mLabel->setText( tr( "Project temporal range is not valid, can't use it here" ) );
}
}
void QgsRasterLayerProperties::mLayerOrigNameLineEd_textEdited( const QString &text )
{
leDisplayName->setText( mRasterLayer->formatLayerName( text ) );
}
void QgsRasterLayerProperties::buttonBuildPyramids_clicked()
{
QgsRasterDataProvider *provider = mRasterLayer->dataProvider();
std::unique_ptr< QgsRasterBlockFeedback > feedback( new QgsRasterBlockFeedback() );
connect( feedback.get(), &QgsRasterBlockFeedback::progressChanged, mPyramidProgress, &QProgressBar::setValue );
//
// Go through the list marking any files that are selected in the listview
// as true so that we can generate pyramids for them.
//
QList< QgsRasterPyramid> myPyramidList = provider->buildPyramidList();
for ( int myCounterInt = 0; myCounterInt < lbxPyramidResolutions->count(); myCounterInt++ )
{
QListWidgetItem *myItem = lbxPyramidResolutions->item( myCounterInt );
//mark to be pyramided
myPyramidList[myCounterInt].build = myItem->isSelected() || myPyramidList[myCounterInt].exists;
}
// keep it in sync with qgsrasterpyramidsoptionwidget.cpp
QString prefix = provider->name() + "/driverOptions/_pyramids/";
QgsSettings mySettings;
QString resamplingMethod( cboResamplingMethod->currentData().toString() );
mySettings.setValue( prefix + "resampling", resamplingMethod );
//
// Ask raster layer to build the pyramids
//
// let the user know we're going to possibly be taking a while
QApplication::setOverrideCursor( Qt::WaitCursor );
QString res = provider->buildPyramids(
myPyramidList,
resamplingMethod,
( QgsRaster::RasterPyramidsFormat ) cbxPyramidsFormat->currentIndex(),
QStringList(),
feedback.get() );
QApplication::restoreOverrideCursor();
mPyramidProgress->setValue( 0 );
buttonBuildPyramids->setEnabled( false );
if ( !res.isNull() )
{
if ( res == QLatin1String( "CANCELED" ) )
{
// user canceled
}
else if ( res == QLatin1String( "ERROR_WRITE_ACCESS" ) )
{
QMessageBox::warning( this, tr( "Building Pyramids" ),
tr( "Write access denied. Adjust the file permissions and try again." ) );
}
else if ( res == QLatin1String( "ERROR_WRITE_FORMAT" ) )
{
QMessageBox::warning( this, tr( "Building Pyramids" ),
tr( "The file was not writable. Some formats do not "
"support pyramid overviews. Consult the GDAL documentation if in doubt." ) );
}
else if ( res == QLatin1String( "FAILED_NOT_SUPPORTED" ) )
{
QMessageBox::warning( this, tr( "Building Pyramids" ),
tr( "Building pyramid overviews is not supported on this type of raster." ) );
}
else if ( res == QLatin1String( "ERROR_JPEG_COMPRESSION" ) )
{
QMessageBox::warning( this, tr( "Building Pyramids" ),
tr( "Building internal pyramid overviews is not supported on raster layers with JPEG compression and your current libtiff library." ) );
}
else if ( res == QLatin1String( "ERROR_VIRTUAL" ) )
{
QMessageBox::warning( this, tr( "Building Pyramids" ),
tr( "Building pyramid overviews is not supported on this type of raster." ) );
}
}
//
// repopulate the pyramids list
//
lbxPyramidResolutions->clear();
// Need to rebuild list as some or all pyramids may have failed to build
myPyramidList = provider->buildPyramidList();
QIcon myPyramidPixmap( QgsApplication::getThemeIcon( "/mIconPyramid.svg" ) );
QIcon myNoPyramidPixmap( QgsApplication::getThemeIcon( "/mIconNoPyramid.svg" ) );
QList< QgsRasterPyramid >::iterator myRasterPyramidIterator;
for ( myRasterPyramidIterator = myPyramidList.begin();
myRasterPyramidIterator != myPyramidList.end();
++myRasterPyramidIterator )
{
if ( myRasterPyramidIterator->exists )
{
lbxPyramidResolutions->addItem( new QListWidgetItem( myPyramidPixmap,
QString::number( myRasterPyramidIterator->xDim ) + QStringLiteral( " x " ) +
QString::number( myRasterPyramidIterator->yDim ) ) );
}
else
{
lbxPyramidResolutions->addItem( new QListWidgetItem( myNoPyramidPixmap,
QString::number( myRasterPyramidIterator->xDim ) + QStringLiteral( " x " ) +
QString::number( myRasterPyramidIterator->yDim ) ) );
}
}
//update the legend pixmap
// pixmapLegend->setPixmap( mRasterLayer->legendAsPixmap() );
// pixmapLegend->setScaledContents( true );
// pixmapLegend->repaint();
//populate the metadata tab's text browser widget with gdal metadata info
updateInformationContent();
}
void QgsRasterLayerProperties::urlClicked( const QUrl &url )
{
QFileInfo file( url.toLocalFile() );
if ( file.exists() && !file.isDir() )
QgsGui::instance()->nativePlatformInterface()->openFileExplorerAndSelectFile( url.toLocalFile() );
else
QDesktopServices::openUrl( url );
}
void QgsRasterLayerProperties::mRenderTypeComboBox_currentIndexChanged( int index )
{
if ( index < 0 || mDisableRenderTypeComboBoxCurrentIndexChanged || ! mRasterLayer->renderer() )
{
return;
}
QString rendererName = mRenderTypeComboBox->itemData( index ).toString();
setRendererWidget( rendererName );
}
void QgsRasterLayerProperties::pbnAddValuesFromDisplay_clicked()
{
if ( mMapCanvas && mPixelSelectorTool )
{
//Need to work around the modality of the dialog but can not just hide() it.
// According to Qt5 docs, to change modality the dialog needs to be hidden
// and shown again.
hide();
setModal( false );
// Transfer focus to the canvas to use the selector tool
mMapCanvas->window()->raise();
mMapCanvas->window()->activateWindow();
mMapCanvas->window()->setFocus();
mMapCanvas->setMapTool( mPixelSelectorTool.get() );
}
}
void QgsRasterLayerProperties::pbnAddValuesManually_clicked()
{
QgsRasterRenderer *renderer = mRendererWidget->renderer();
if ( !renderer )
{
return;
}
tableTransparency->insertRow( tableTransparency->rowCount() );
int n = renderer->usesBands().size();
if ( n == 1 ) n++;
for ( int i = 0; i < n; i++ )
{
setTransparencyCell( tableTransparency->rowCount() - 1, i, std::numeric_limits<double>::quiet_NaN() );
}
setTransparencyCell( tableTransparency->rowCount() - 1, n, 100 );
tableTransparency->resizeColumnsToContents();
tableTransparency->resizeRowsToContents();
}
void QgsRasterLayerProperties::mCrsSelector_crsChanged( const QgsCoordinateReferenceSystem &crs )
{
QgsDatumTransformDialog::run( crs, QgsProject::instance()->crs(), this, mMapCanvas, tr( "Select Transformation" ) );
mRasterLayer->setCrs( crs );
mMetadataWidget->crsChanged();
}
void QgsRasterLayerProperties::pbnDefaultValues_clicked()
{
if ( !mRendererWidget )
{
return;
}
QgsRasterRenderer *r = mRendererWidget->renderer();
if ( !r )
{
return;
}
int nBands = r->usesBands().size();
delete r; // really delete?
setupTransparencyTable( nBands );
tableTransparency->resizeColumnsToContents(); // works only with values
tableTransparency->resizeRowsToContents();
}
void QgsRasterLayerProperties::setTransparencyCell( int row, int column, double value )
{
QgsDebugMsg( QStringLiteral( "value = %1" ).arg( value, 0, 'g', 17 ) );
QgsRasterDataProvider *provider = mRasterLayer->dataProvider();
if ( !provider ) return;
QgsRasterRenderer *renderer = mRendererWidget->renderer();
if ( !renderer ) return;
int nBands = renderer->usesBands().size();
QLineEdit *lineEdit = new QLineEdit();
lineEdit->setFrame( false ); // frame looks bad in table
// Without margins row selection is not displayed (important for delete row)
lineEdit->setContentsMargins( 1, 1, 1, 1 );
if ( column == tableTransparency->columnCount() - 1 )
{
// transparency
// Who needs transparency as floating point?
lineEdit->setValidator( new QIntValidator( nullptr ) );
lineEdit->setText( QString::number( static_cast<int>( value ) ) );
}
else
{
// value
QString valueString;
switch ( provider->sourceDataType( 1 ) )
{
case Qgis::Float32:
case Qgis::Float64:
lineEdit->setValidator( new QDoubleValidator( nullptr ) );
if ( !std::isnan( value ) )
{
valueString = QgsRasterBlock::printValue( value );
}
break;
default:
lineEdit->setValidator( new QIntValidator( nullptr ) );
if ( !std::isnan( value ) )
{
valueString = QString::number( static_cast<int>( value ) );
}
break;
}
lineEdit->setText( valueString );
}
tableTransparency->setCellWidget( row, column, lineEdit );
adjustTransparencyCellWidth( row, column );
if ( nBands == 1 && ( column == 0 || column == 1 ) )
{
connect( lineEdit, &QLineEdit::textEdited, this, &QgsRasterLayerProperties::transparencyCellTextEdited );
}
tableTransparency->resizeColumnsToContents();
}
void QgsRasterLayerProperties::setTransparencyCellValue( int row, int column, double value )
{
QLineEdit *lineEdit = dynamic_cast<QLineEdit *>( tableTransparency->cellWidget( row, column ) );
if ( !lineEdit ) return;
lineEdit->setText( QgsRasterBlock::printValue( value ) );
lineEdit->adjustSize();
adjustTransparencyCellWidth( row, column );
tableTransparency->resizeColumnsToContents();
}
double QgsRasterLayerProperties::transparencyCellValue( int row, int column )
{
QLineEdit *lineEdit = dynamic_cast<QLineEdit *>( tableTransparency->cellWidget( row, column ) );
if ( !lineEdit || lineEdit->text().isEmpty() )
{
std::numeric_limits<double>::quiet_NaN();
}
return lineEdit->text().toDouble();
}
void QgsRasterLayerProperties::adjustTransparencyCellWidth( int row, int column )
{
QLineEdit *lineEdit = dynamic_cast<QLineEdit *>( tableTransparency->cellWidget( row, column ) );
if ( !lineEdit ) return;
int width = std::max( lineEdit->fontMetrics().boundingRect( lineEdit->text() ).width() + 10, 100 );
width = std::max( width, tableTransparency->columnWidth( column ) );
lineEdit->setFixedWidth( width );
}
void QgsRasterLayerProperties::pbnExportTransparentPixelValues_clicked()
{
QgsSettings myQSettings;
QString myLastDir = myQSettings.value( QStringLiteral( "lastRasterFileFilterDir" ), QDir::homePath() ).toString();
QString myFileName = QFileDialog::getSaveFileName( this, tr( "Save File" ), myLastDir, tr( "Textfile" ) + " (*.txt)" );
if ( !myFileName.isEmpty() )
{
if ( !myFileName.endsWith( QLatin1String( ".txt" ), Qt::CaseInsensitive ) )
{
myFileName = myFileName + ".txt";
}
QFile myOutputFile( myFileName );
if ( myOutputFile.open( QFile::WriteOnly | QIODevice::Truncate ) )
{
QTextStream myOutputStream( &myOutputFile );
myOutputStream << "# " << tr( "QGIS Generated Transparent Pixel Value Export File" ) << '\n';
if ( rasterIsMultiBandColor() )
{
myOutputStream << "#\n#\n# " << tr( "Red" ) << "\t" << tr( "Green" ) << "\t" << tr( "Blue" ) << "\t" << tr( "Percent Transparent" );
for ( int myTableRunner = 0; myTableRunner < tableTransparency->rowCount(); myTableRunner++ )
{
myOutputStream << '\n' << QString::number( transparencyCellValue( myTableRunner, 0 ) ) << "\t"
<< QString::number( transparencyCellValue( myTableRunner, 1 ) ) << "\t"
<< QString::number( transparencyCellValue( myTableRunner, 2 ) ) << "\t"
<< QString::number( transparencyCellValue( myTableRunner, 3 ) );
}
}
else
{
myOutputStream << "#\n#\n# " << tr( "Value" ) << "\t" << tr( "Percent Transparent" );
for ( int myTableRunner = 0; myTableRunner < tableTransparency->rowCount(); myTableRunner++ )
{
myOutputStream << '\n' << QString::number( transparencyCellValue( myTableRunner, 0 ) ) << "\t"
<< QString::number( transparencyCellValue( myTableRunner, 1 ) ) << "\t"
<< QString::number( transparencyCellValue( myTableRunner, 2 ) );
}
}
}
else
{
QMessageBox::warning( this, tr( "Export Transparent Pixels" ), tr( "Write access denied. Adjust the file permissions and try again.\n\n" ) );
}
}
}
void QgsRasterLayerProperties::transparencyCellTextEdited( const QString &text )
{
Q_UNUSED( text )
QgsDebugMsg( QStringLiteral( "text = %1" ).arg( text ) );
QgsRasterRenderer *renderer = mRendererWidget->renderer();
if ( !renderer )
{
return;
}
int nBands = renderer->usesBands().size();
if ( nBands == 1 )
{
QLineEdit *lineEdit = qobject_cast<QLineEdit *>( sender() );
if ( !lineEdit ) return;
int row = -1;
int column = -1;
for ( int r = 0; r < tableTransparency->rowCount(); r++ )
{
for ( int c = 0; c < tableTransparency->columnCount(); c++ )
{
if ( tableTransparency->cellWidget( r, c ) == sender() )
{
row = r;
column = c;
break;
}
}
if ( row != -1 ) break;
}
QgsDebugMsg( QStringLiteral( "row = %1 column =%2" ).arg( row ).arg( column ) );
if ( column == 0 )
{
QLineEdit *toLineEdit = dynamic_cast<QLineEdit *>( tableTransparency->cellWidget( row, 1 ) );
if ( !toLineEdit ) return;
bool toChanged = mTransparencyToEdited.value( row );
QgsDebugMsg( QStringLiteral( "toChanged = %1" ).arg( toChanged ) );
if ( !toChanged )
{
toLineEdit->setText( lineEdit->text() );
}
}
else if ( column == 1 )
{
setTransparencyToEdited( row );
}
}
}
void QgsRasterLayerProperties::aboutToShowStyleMenu()
{
// this should be unified with QgsVectorLayerProperties::aboutToShowStyleMenu()
QMenu *m = qobject_cast<QMenu *>( sender() );
QgsMapLayerStyleGuiUtils::instance()->removesExtraMenuSeparators( m );
// re-add style manager actions!
m->addSeparator();
QgsMapLayerStyleGuiUtils::instance()->addStyleManagerActions( m, mRasterLayer );
}
void QgsRasterLayerProperties::syncToLayer()
{
QgsRasterRenderer *renderer = mRasterLayer->renderer();
if ( renderer )
{
setRendererWidget( renderer->type() );
}
sync();
mRasterLayer->triggerRepaint();
}
void QgsRasterLayerProperties::setTransparencyToEdited( int row )
{
if ( row >= mTransparencyToEdited.size() )
{
mTransparencyToEdited.resize( row + 1 );
}
mTransparencyToEdited[row] = true;
}
void QgsRasterLayerProperties::optionsStackedWidget_CurrentChanged( int index )
{
QgsOptionsDialogBase::optionsStackedWidget_CurrentChanged( index );
bool isMetadataPanel = ( index == mOptStackedWidget->indexOf( mOptsPage_Metadata ) );
mBtnStyle->setVisible( ! isMetadataPanel );
mBtnMetadata->setVisible( isMetadataPanel );
if ( !mHistogramWidget )
return;
if ( index == mOptStackedWidget->indexOf( mOptsPage_Histogram ) )
{
mHistogramWidget->setActive( true );
}
else
{
mHistogramWidget->setActive( false );
}
if ( index == mOptStackedWidget->indexOf( mOptsPage_Information ) || !mMetadataFilled )
{
//set the metadata contents (which can be expensive)
updateInformationContent();
}
}
void QgsRasterLayerProperties::setEndAsStartStaticButton_clicked()
{
mEndStaticDateTimeEdit->setDateTime( mStartStaticDateTimeEdit->dateTime() );
}
void QgsRasterLayerProperties::pbnImportTransparentPixelValues_clicked()
{
int myLineCounter = 0;
bool myImportError = false;
QString myBadLines;
QgsSettings myQSettings;
QString myLastDir = myQSettings.value( QStringLiteral( "lastRasterFileFilterDir" ), QDir::homePath() ).toString();
QString myFileName = QFileDialog::getOpenFileName( this, tr( "Open file" ), myLastDir, tr( "Textfile" ) + " (*.txt)" );
QFile myInputFile( myFileName );
if ( myInputFile.open( QFile::ReadOnly ) )
{
QTextStream myInputStream( &myInputFile );
QString myInputLine;
if ( rasterIsMultiBandColor() )
{
for ( int myTableRunner = tableTransparency->rowCount() - 1; myTableRunner >= 0; myTableRunner-- )
{
tableTransparency->removeRow( myTableRunner );
}
while ( !myInputStream.atEnd() )
{
myLineCounter++;
myInputLine = myInputStream.readLine();
if ( !myInputLine.isEmpty() )
{
if ( !myInputLine.simplified().startsWith( '#' ) )
{
QStringList myTokens = myInputLine.split( QRegExp( "\\s+" ), QString::SkipEmptyParts );
if ( myTokens.count() != 4 )
{
myImportError = true;
myBadLines = myBadLines + QString::number( myLineCounter ) + ":\t[" + myInputLine + "]\n";
}
else
{
tableTransparency->insertRow( tableTransparency->rowCount() );
for ( int col = 0; col < 4; col++ )
{
setTransparencyCell( tableTransparency->rowCount() - 1, col, myTokens[col].toDouble() );
}
}
}
}
}
}
else
{
for ( int myTableRunner = tableTransparency->rowCount() - 1; myTableRunner >= 0; myTableRunner-- )
{
tableTransparency->removeRow( myTableRunner );
}
while ( !myInputStream.atEnd() )
{
myLineCounter++;
myInputLine = myInputStream.readLine();
if ( !myInputLine.isEmpty() )
{
if ( !myInputLine.simplified().startsWith( '#' ) )
{
QStringList myTokens = myInputLine.split( QRegExp( "\\s+" ), QString::SkipEmptyParts );
if ( myTokens.count() != 3 && myTokens.count() != 2 ) // 2 for QGIS < 1.9 compatibility
{
myImportError = true;
myBadLines = myBadLines + QString::number( myLineCounter ) + ":\t[" + myInputLine + "]\n";
}
else
{
if ( myTokens.count() == 2 )
{
myTokens.insert( 1, myTokens[0] ); // add 'to' value, QGIS < 1.9 compatibility
}
tableTransparency->insertRow( tableTransparency->rowCount() );
for ( int col = 0; col < 3; col++ )
{
setTransparencyCell( tableTransparency->rowCount() - 1, col, myTokens[col].toDouble() );
}
}
}
}
}
}
if ( myImportError )
{
QMessageBox::warning( this, tr( "Import Transparent Pixels" ), tr( "The following lines contained errors\n\n%1" ).arg( myBadLines ) );
}
}
else if ( !myFileName.isEmpty() )
{
QMessageBox::warning( this, tr( "Import Transparent Pixels" ), tr( "Read access denied. Adjust the file permissions and try again.\n\n" ) );
}
tableTransparency->resizeColumnsToContents();
tableTransparency->resizeRowsToContents();
}
void QgsRasterLayerProperties::pbnRemoveSelectedRow_clicked()
{
if ( 0 < tableTransparency->rowCount() )
{
tableTransparency->removeRow( tableTransparency->currentRow() );
}
}
void QgsRasterLayerProperties::pixelSelected( const QgsPointXY &canvasPoint, const Qt::MouseButton &btn )
{
Q_UNUSED( btn )
QgsRasterRenderer *renderer = mRendererWidget->renderer();
if ( !renderer )
{
return;
}
//Get the pixel values and add a new entry to the transparency table
if ( mMapCanvas && mPixelSelectorTool )
{
mMapCanvas->unsetMapTool( mPixelSelectorTool.get() );
const QgsMapSettings &ms = mMapCanvas->mapSettings();
QgsPointXY myPoint = ms.mapToLayerCoordinates( mRasterLayer, canvasPoint );
QgsRectangle myExtent = ms.mapToLayerCoordinates( mRasterLayer, mMapCanvas->extent() );
double mapUnitsPerPixel = mMapCanvas->mapUnitsPerPixel();
int myWidth = mMapCanvas->extent().width() / mapUnitsPerPixel;
int myHeight = mMapCanvas->extent().height() / mapUnitsPerPixel;
QMap<int, QVariant> myPixelMap = mRasterLayer->dataProvider()->identify( myPoint, QgsRaster::IdentifyFormatValue, myExtent, myWidth, myHeight ).results();
QList<int> bands = renderer->usesBands();
QList<double> values;
for ( int i = 0; i < bands.size(); ++i )
{
int bandNo = bands.value( i );
if ( myPixelMap.count( bandNo ) == 1 )
{
if ( myPixelMap.value( bandNo ).isNull() )
{
return; // Don't add nodata, transparent anyway
}
double value = myPixelMap.value( bandNo ).toDouble();
QgsDebugMsg( QStringLiteral( "value = %1" ).arg( value, 0, 'g', 17 ) );
values.append( value );
}
}
if ( bands.size() == 1 )
{
// Set 'to'
values.insert( 1, values.value( 0 ) );
}
tableTransparency->insertRow( tableTransparency->rowCount() );
for ( int i = 0; i < values.size(); i++ )
{
setTransparencyCell( tableTransparency->rowCount() - 1, i, values.value( i ) );
}
setTransparencyCell( tableTransparency->rowCount() - 1, tableTransparency->columnCount() - 1, 100 );
}
delete renderer;
tableTransparency->resizeColumnsToContents();
tableTransparency->resizeRowsToContents();
}
void QgsRasterLayerProperties::toggleSaturationControls( int grayscaleMode )
{
// Enable or disable saturation controls based on choice of grayscale mode
if ( grayscaleMode == 0 )
{
sliderSaturation->setEnabled( true );
spinBoxSaturation->setEnabled( true );
}
else
{
sliderSaturation->setEnabled( false );
spinBoxSaturation->setEnabled( false );
}
}
void QgsRasterLayerProperties::toggleColorizeControls( bool colorizeEnabled )
{
// Enable or disable colorize controls based on checkbox
btnColorizeColor->setEnabled( colorizeEnabled );
sliderColorizeStrength->setEnabled( colorizeEnabled );
spinColorizeStrength->setEnabled( colorizeEnabled );
}
QLinearGradient QgsRasterLayerProperties::redGradient()
{
//define a gradient
// TODO change this to actual polygon dims
QLinearGradient myGradient = QLinearGradient( mGradientWidth, 0, mGradientWidth, mGradientHeight );
myGradient.setColorAt( 0.0, QColor( 242, 14, 25, 190 ) );
myGradient.setColorAt( 0.5, QColor( 175, 29, 37, 190 ) );
myGradient.setColorAt( 1.0, QColor( 114, 17, 22, 190 ) );
return myGradient;
}
QLinearGradient QgsRasterLayerProperties::greenGradient()
{
//define a gradient
// TODO change this to actual polygon dims
QLinearGradient myGradient = QLinearGradient( mGradientWidth, 0, mGradientWidth, mGradientHeight );
myGradient.setColorAt( 0.0, QColor( 48, 168, 5, 190 ) );
myGradient.setColorAt( 0.8, QColor( 36, 122, 4, 190 ) );
myGradient.setColorAt( 1.0, QColor( 21, 71, 2, 190 ) );
return myGradient;
}
QLinearGradient QgsRasterLayerProperties::blueGradient()
{
//define a gradient
// TODO change this to actual polygon dims
QLinearGradient myGradient = QLinearGradient( mGradientWidth, 0, mGradientWidth, mGradientHeight );
myGradient.setColorAt( 0.0, QColor( 30, 0, 106, 190 ) );
myGradient.setColorAt( 0.2, QColor( 30, 72, 128, 190 ) );
myGradient.setColorAt( 1.0, QColor( 30, 223, 196, 190 ) );
return myGradient;
}
QLinearGradient QgsRasterLayerProperties::grayGradient()
{
//define a gradient
// TODO change this to actual polygon dims
QLinearGradient myGradient = QLinearGradient( mGradientWidth, 0, mGradientWidth, mGradientHeight );
myGradient.setColorAt( 0.0, QColor( 5, 5, 5, 190 ) );
myGradient.setColorAt( 0.8, QColor( 122, 122, 122, 190 ) );
myGradient.setColorAt( 1.0, QColor( 220, 220, 220, 190 ) );
return myGradient;
}
QLinearGradient QgsRasterLayerProperties::highlightGradient()
{
//define another gradient for the highlight
// TODO change this to actual polygon dims
QLinearGradient myGradient = QLinearGradient( mGradientWidth, 0, mGradientWidth, mGradientHeight );
myGradient.setColorAt( 1.0, QColor( 255, 255, 255, 50 ) );
myGradient.setColorAt( 0.5, QColor( 255, 255, 255, 100 ) );
myGradient.setColorAt( 0.0, QColor( 255, 255, 255, 150 ) );
return myGradient;
}
//
//
// Next four methods for saving and restoring qml style state
//
//
void QgsRasterLayerProperties::loadDefaultStyle_clicked()
{
bool defaultLoadedFlag = false;
QString myMessage = mRasterLayer->loadDefaultStyle( defaultLoadedFlag );
//reset if the default style was loaded OK only
if ( defaultLoadedFlag )
{
syncToLayer();
}
else
{
//otherwise let the user know what went wrong
QMessageBox::information( this,
tr( "Default Style" ),
myMessage
);
}
}
void QgsRasterLayerProperties::saveDefaultStyle_clicked()
{
apply(); // make sure the style to save is up-to-date
// a flag passed by reference
bool defaultSavedFlag = false;
// after calling this the above flag will be set true for success
// or false if the save operation failed
QString myMessage = mRasterLayer->saveDefaultStyle( defaultSavedFlag );
if ( !defaultSavedFlag )
{
//let the user know what went wrong
QMessageBox::information( this,
tr( "Default Style" ),
myMessage
);
}
}
void QgsRasterLayerProperties::loadStyle_clicked()
{
QgsSettings settings;
QString lastUsedDir = settings.value( QStringLiteral( "style/lastStyleDir" ), QDir::homePath() ).toString();
QString fileName = QFileDialog::getOpenFileName(
this,
tr( "Load layer properties from style file" ),
lastUsedDir,
tr( "QGIS Layer Style File" ) + " (*.qml)" );
if ( fileName.isEmpty() )
return;
// ensure the user never omits the extension from the file name
if ( !fileName.endsWith( QLatin1String( ".qml" ), Qt::CaseInsensitive ) )
fileName += QLatin1String( ".qml" );
mOldStyle = mRasterLayer->styleManager()->style( mRasterLayer->styleManager()->currentStyle() );
bool defaultLoadedFlag = false;
QString message = mRasterLayer->loadNamedStyle( fileName, defaultLoadedFlag );
if ( defaultLoadedFlag )
{
settings.setValue( QStringLiteral( "style/lastStyleDir" ), QFileInfo( fileName ).absolutePath() );
syncToLayer();
}
else
{
QMessageBox::information( this, tr( "Save Style" ), message );
}
}
void QgsRasterLayerProperties::saveStyleAs_clicked()
{
QgsSettings settings;
QString lastUsedDir = settings.value( QStringLiteral( "style/lastStyleDir" ), QDir::homePath() ).toString();
QString outputFileName = QFileDialog::getSaveFileName(
this,
tr( "Save layer properties as style file" ),
lastUsedDir,
tr( "QGIS Layer Style File" ) + " (*.qml)" + ";;" + tr( "Styled Layer Descriptor" ) + " (*.sld)" );
if ( outputFileName.isEmpty() )
return;
// set style type depending on extension
StyleType type = StyleType::QML;
if ( outputFileName.endsWith( QLatin1String( ".sld" ), Qt::CaseInsensitive ) )
type = StyleType::SLD;
else
// ensure the user never omits the extension from the file name
outputFileName = QgsFileUtils::ensureFileNameHasExtension( outputFileName, QStringList() << QStringLiteral( "qml" ) );
apply(); // make sure the style to save is up-to-date
// then export style
bool defaultLoadedFlag = false;
QString message;
switch ( type )
{
case QML:
{
message = mRasterLayer->saveNamedStyle( outputFileName, defaultLoadedFlag );
break;
}
case SLD:
{
message = mRasterLayer->saveSldStyle( outputFileName, defaultLoadedFlag );
break;
}
}
if ( defaultLoadedFlag )
{
settings.setValue( QStringLiteral( "style/lastStyleDir" ), QFileInfo( outputFileName ).absolutePath() );
sync();
}
else
QMessageBox::information( this, tr( "Save Style" ), message );
}
void QgsRasterLayerProperties::restoreWindowModality()
{
hide();
setModal( true );
show();
raise();
activateWindow();
}
//
//
// Next four methods for saving and restoring QMD metadata
//
//
void QgsRasterLayerProperties::loadMetadata()
{
QgsSettings myQSettings; // where we keep last used filter in persistent state
QString myLastUsedDir = myQSettings.value( QStringLiteral( "style/lastStyleDir" ), QDir::homePath() ).toString();
QString myFileName = QFileDialog::getOpenFileName( this, tr( "Load layer metadata from metadata file" ), myLastUsedDir,
tr( "QGIS Layer Metadata File" ) + " (*.qmd)" );
if ( myFileName.isNull() )
{
return;
}
QString myMessage;
bool defaultLoadedFlag = false;
myMessage = mRasterLayer->loadNamedMetadata( myFileName, defaultLoadedFlag );
//reset if the default style was loaded OK only
if ( defaultLoadedFlag )
{
mMetadataWidget->setMetadata( &mRasterLayer->metadata() );
}
else
{
//let the user know what went wrong
QMessageBox::warning( this, tr( "Load Metadata" ), myMessage );
}
QFileInfo myFI( myFileName );
QString myPath = myFI.path();
myQSettings.setValue( QStringLiteral( "style/lastStyleDir" ), myPath );
activateWindow(); // set focus back to properties dialog
}
void QgsRasterLayerProperties::saveMetadataAs()
{
QgsSettings myQSettings; // where we keep last used filter in persistent state
QString myLastUsedDir = myQSettings.value( QStringLiteral( "style/lastStyleDir" ), QDir::homePath() ).toString();
QString myOutputFileName = QFileDialog::getSaveFileName( this, tr( "Save Layer Metadata as QMD" ),
myLastUsedDir, tr( "QMD File" ) + " (*.qmd)" );
if ( myOutputFileName.isNull() ) //dialog canceled
{
return;
}
mMetadataWidget->acceptMetadata();
//ensure the user never omitted the extension from the file name
if ( !myOutputFileName.endsWith( QgsMapLayer::extensionPropertyType( QgsMapLayer::Metadata ), Qt::CaseInsensitive ) )
{
myOutputFileName += QgsMapLayer::extensionPropertyType( QgsMapLayer::Metadata );
}
bool defaultLoadedFlag = false;
QString message = mRasterLayer->saveNamedMetadata( myOutputFileName, defaultLoadedFlag );
if ( defaultLoadedFlag )
myQSettings.setValue( QStringLiteral( "style/lastStyleDir" ), QFileInfo( myOutputFileName ).absolutePath() );
else
QMessageBox::information( this, tr( "Save Metadata" ), message );
}
void QgsRasterLayerProperties::saveDefaultMetadata()
{
mMetadataWidget->acceptMetadata();
bool defaultSavedFlag = false;
QString errorMsg = mRasterLayer->saveDefaultMetadata( defaultSavedFlag );
if ( !defaultSavedFlag )
{
QMessageBox::warning( this, tr( "Default Metadata" ), errorMsg );
}
}
void QgsRasterLayerProperties::loadDefaultMetadata()
{
bool defaultLoadedFlag = false;
QString myMessage = mRasterLayer->loadNamedMetadata( mRasterLayer->metadataUri(), defaultLoadedFlag );
//reset if the default metadata was loaded OK only
if ( defaultLoadedFlag )
{
mMetadataWidget->setMetadata( &mRasterLayer->metadata() );
}
else
{
QMessageBox::information( this, tr( "Default Metadata" ), myMessage );
}
}
void QgsRasterLayerProperties::toggleBuildPyramidsButton()
{
if ( lbxPyramidResolutions->selectedItems().empty() )
{
buttonBuildPyramids->setEnabled( false );
}
else
{
buttonBuildPyramids->setEnabled( true );
}
}
void QgsRasterLayerProperties::mResetColorRenderingBtn_clicked()
{
mBlendModeComboBox->setBlendMode( QPainter::CompositionMode_SourceOver );
mSliderBrightness->setValue( 0 );
mSliderContrast->setValue( 0 );
sliderSaturation->setValue( 0 );
comboGrayscale->setCurrentIndex( ( int ) QgsHueSaturationFilter::GrayscaleOff );
mColorizeCheck->setChecked( false );
sliderColorizeStrength->setValue( 100 );
}
bool QgsRasterLayerProperties::rasterIsMultiBandColor()
{
return mRasterLayer && nullptr != dynamic_cast<QgsMultiBandColorRenderer *>( mRasterLayer->renderer() );
}
void QgsRasterLayerProperties::updateInformationContent()
{
const QString myStyle = QgsApplication::reportStyleSheet( QgsApplication::StyleSheetType::WebBrowser );
// Inject the stylesheet
const QString html { mRasterLayer->htmlMetadata().replace( QStringLiteral( "<head>" ), QStringLiteral( R"raw(<head><style type="text/css">%1</style>)raw" ) ).arg( myStyle ) };
mMetadataViewer->setHtml( html );
mMetadataFilled = true;
}
void QgsRasterLayerProperties::onCancel()
{
if ( mOldStyle.xmlData() != mRasterLayer->styleManager()->style( mRasterLayer->styleManager()->currentStyle() ).xmlData() )
{
// need to reset style to previous - style applied directly to the layer (not in apply())
QString myMessage;
QDomDocument doc( QStringLiteral( "qgis" ) );
int errorLine, errorColumn;
doc.setContent( mOldStyle.xmlData(), false, &myMessage, &errorLine, &errorColumn );
mRasterLayer->importNamedStyle( doc, myMessage );
syncToLayer();
}
}
void QgsRasterLayerProperties::showHelp()
{
const QVariant helpPage = mOptionsStackedWidget->currentWidget()->property( "helpPage" );
if ( helpPage.isValid() )
{
QgsHelp::openHelp( helpPage.toString() );
}
else
{
QgsHelp::openHelp( QStringLiteral( "working_with_raster/raster_properties.html" ) );
}
}