77#include <QTemporaryFile>
80#include <nlohmann/json.hpp>
104 : mContext( context )
109 mWmsParameters.
dump();
114 removeTemporaryLayers();
120 std::unique_ptr<QgsWmsRestorer> restorer;
133 for (
const auto &layer : std::as_const( layersToRender ) )
136 if ( layer->dataProvider()->name() == QLatin1String(
"wms" ) )
140 const auto image { layerNode->getLegendGraphicBlocking() };
141 if ( !image.isNull() )
146 const double w = image.width() / dpmm;
147 const double h = image.height() / dpmm;
148 const QSizeF newWmsSize { w, h };
161 if ( !mWmsParameters.
bbox().isEmpty() )
165 std::unique_ptr<QImage> tmp( createImage( mContext.
mapSize(
false ) ) );
166 configureMapSettings( tmp.get(), mapSettings );
172 context = configureDefaultRenderContext();
176 std::unique_ptr<QImage> image;
177 const QSizeF minSize = renderer.
minimumSize( &context );
178 const QSize size(
static_cast<int>( minSize.width() * dpmm ),
static_cast<int>( minSize.height() * dpmm ) );
183 image.reset( createImage( size ) );
186 QPainter painter( image.get() );
189 if ( painter.renderHints() & QPainter::SmoothPixmapTransform )
191 if ( painter.renderHints() & QPainter::LosslessImageRendering )
201 return image.release();
207 std::unique_ptr<QgsWmsRestorer> restorer;
221 std::unique_ptr<QImage> image( createImage( size ) );
225 std::unique_ptr<QPainter> painter;
226 painter.reset(
new QPainter( image.get() ) );
227 painter->setRenderHint( QPainter::Antialiasing,
true );
228 painter->scale( dpmm, dpmm );
239 nodeModel.
drawSymbol( settings, &ctx, size.height() / dpmm );
242 return image.release();
248 std::unique_ptr<QgsWmsRestorer> restorer;
268 std::unique_ptr<QgsWmsRestorer> restorer;
288 if ( vLayer->renderer() )
292 const QString ruleExp { vLayer->renderer()->legendKeyToExpression( ruleKey, vLayer, ok ) };
295 jsonSymbol[QStringLiteral(
"rule" )] = ruleExp;
304 void QgsRenderer::runHitTest(
const QgsMapSettings &mapSettings, HitTest &hitTest )
const
308 for (
const QString &
id : mapSettings.layerIds() )
325 runHitTestLayer( vl, usedSymbols, context );
331 std::unique_ptr<QgsFeatureRenderer> r( vl->
renderer()->
clone() );
333 r->startRender( context, vl->
fields() );
341 if ( moreSymbolsPerFeature )
343 for (
QgsSymbol *s : r->originalSymbolsForFeature( f, context ) )
349 r->stopRender( context );
361 std::unique_ptr<QgsWmsRestorer> restorer;
371 std::unique_ptr<QPainter> painter;
372 std::unique_ptr<QImage> image( createImage( mContext.
mapSize() ) );
375 configureMapSettings( image.get(), mapSettings );
382 runHitTest( mapSettings,
symbols );
390 std::unique_ptr<QgsWmsRestorer> restorer;
395 if ( templateName.isEmpty() )
418 std::unique_ptr<QgsPrintLayout> layout( sourceLayout->
clone() );
422 QStringList atlasPk = mWmsParameters.
atlasPk();
423 if ( !atlasPk.isEmpty() )
425 atlas = layout->atlas();
426 if ( !atlas || !atlas->
enabled() )
439 if ( atlasPk.size() == 1 && atlasPk.at( 0 ) == QLatin1String(
"*" ) )
443 if ( atlas->
count() > maxAtlasFeatures )
451 if ( pkIndexes.size() == 0 )
453 QgsDebugMsgLevel( QStringLiteral(
"Atlas print: layer %1 has no primary key attributes" ).arg( cLayer->
name() ), 2 );
457 const int pkIndexesSize { std::max<int>( pkIndexes.size(), 1 ) };
459 QStringList pkAttributeNames;
460 for (
int pkIndex : std::as_const( pkIndexes ) )
462 pkAttributeNames.append( cLayer->
fields().
at( pkIndex ).
name() );
465 const int nAtlasFeatures = atlasPk.size() / pkIndexesSize;
466 if ( nAtlasFeatures * pkIndexesSize != atlasPk.size() )
472 if ( nAtlasFeatures > maxAtlasFeatures )
477 QString filterString;
478 int currentAtlasPk = 0;
480 for (
int i = 0; i < nAtlasFeatures; ++i )
484 filterString.append(
" OR " );
487 filterString.append(
"( " );
490 if ( pkAttributeNames.isEmpty() )
492 filterString.append( QStringLiteral(
"$id = %1" ).arg( atlasPk.at( currentAtlasPk ) ) );
497 for (
int j = 0; j < pkIndexes.size(); ++j )
501 filterString.append(
" AND " );
508 filterString.append(
" )" );
516 if ( !errorString.isEmpty() )
518 throw QgsException( QStringLiteral(
"An error occurred during the Atlas print: %1" ).arg( errorString ) );
530 std::unique_ptr<QImage> image(
new QImage() );
531 configureMapSettings( image.get(), mapSettings );
537 configurePrintLayout( layout.get(), mapSettings, atlas );
541 const QList<QgsMapLayer *> lyrs = mapSettings.
layers();
543#ifdef HAVE_SERVER_PYTHON_PLUGINS
544 mContext.accessControl()->resolveFilterFeatures( lyrs );
548 QHash<const QgsVectorLayer *, QStringList> fltrs;
553 fltrs.insert( vl, dimensionFilter( vl ) );
565 QTemporaryFile tempOutputFile( QDir::tempPath() +
'/' + QStringLiteral(
"XXXXXX.%1" ).arg( extension ) );
566 if ( !tempOutputFile.open() )
568 throw QgsException( QStringLiteral(
"Could not open temporary file for the GetPrint request." ) );
576 if ( !mWmsParameters.
dpi().isEmpty() )
579 double dpi( mWmsParameters.
dpi().toDouble( &ok ) );
581 exportSettings.
dpi = dpi;
594 atlasSvgExport.
exportToSvg( tempOutputFile.fileName(), exportSettings );
600 exporter.
exportToSvg( tempOutputFile.fileName(), exportSettings );
609 double dpi( layout->renderContext().dpi() );
610 if ( !mWmsParameters.
dpi().isEmpty() )
613 double _dpi = mWmsParameters.
dpi().toDouble( &ok );
617 exportSettings.
dpi = dpi;
623 QgsLayoutSize layoutSize( layout->pageCollection()->page( 0 )->sizeWithUnits() );
628 const QSize imageSize = QSize(
static_cast<int>( width.
length() * dpi / 25.4 ),
static_cast<int>( height.
length() * dpi / 25.4 ) );
630 const QString paramWidth = mWmsParameters.
width();
631 const QString paramHeight = mWmsParameters.
height();
636 if ( !paramWidth.isEmpty() && !paramHeight.isEmpty() )
638 exportSettings.
imageSize = QSize( paramWidth.toInt(), paramHeight.toInt() );
640 else if ( !paramWidth.isEmpty() && paramHeight.isEmpty() )
642 exportSettings.
imageSize = QSize( paramWidth.toInt(),
static_cast<double>( paramWidth.toInt() ) / imageSize.width() * imageSize.height() );
644 else if ( paramWidth.isEmpty() && !paramHeight.isEmpty() )
646 exportSettings.
imageSize = QSize(
static_cast<double>( paramHeight.toInt() ) / imageSize.height() * imageSize.width(), paramHeight.toInt() );
654 exportSettings.
pages.append( 0 );
662 atlasPngExport.
exportToImage( tempOutputFile.fileName(), exportSettings );
666 throw QgsServiceException( QStringLiteral(
"Bad request" ), QStringLiteral(
"Atlas error: empty atlas." ), QString(), 400 );
672 exporter.
exportToImage( tempOutputFile.fileName(), exportSettings );
680 if ( !mWmsParameters.
dpi().isEmpty() )
683 double dpi( mWmsParameters.
dpi().toDouble( &ok ) );
685 exportSettings.
dpi = dpi;
690 exportSettings.
rasterizeWholeImage = layout->customProperty( QStringLiteral(
"rasterize" ),
false ).toBool();
693 if ( requestMapScales.size() > 0 )
703 if ( exportThemes.size() > 0 )
731 exporter.
exportToPdf( tempOutputFile.fileName(), exportSettings );
741 handlePrintErrors( atlas->
layout() );
745 handlePrintErrors( layout.get() );
748 return tempOutputFile.readAll();
755 QList<QgsLayoutItemMap *> maps;
761 for (
const auto &map : std::as_const( maps ) )
767 if ( cMapParams.
mLayers.isEmpty() )
772 if ( !atlas || !map->atlasDriven() )
778 c->removeLayoutItem( map );
795 if ( cMapParams.
mScale > 0 )
797 map->setScale(
static_cast<double>( cMapParams.
mScale ) );
803 map->setMapRotation( cMapParams.
mRotation );
807 if ( !map->keepLayerSet() )
809 QList<QgsMapLayer *> layerSet;
811 for (
const auto &layer : std::as_const( cMapParams.mLayers ) )
815 QList<QgsMapLayer *> layersFromGroup;
817 const QList<QgsMapLayer *> cLayersFromGroup = mContext.
layersFromGroup( layer.mNickname );
818 for (
QgsMapLayer *layerFromGroup : cLayersFromGroup )
820 if ( !layerFromGroup )
825 layersFromGroup.push_front( layerFromGroup );
828 if ( !layersFromGroup.isEmpty() )
830 layerSet.append( layersFromGroup );
842 setLayerStyle( mlayer, layer.mStyle );
847 std::reverse( layerSet.begin(), layerSet.end() );
852 QMap<QString, QString> layersStyle;
853 if ( map->followVisibilityPreset() )
863 const QString presetName = map->followVisibilityPresetName();
864 if ( layerSet.isEmpty() )
868 layerSet = map->layersToRender( &ex );
871 map->setFollowVisibilityPreset(
false );
875 for (
const auto &layerMapThemeRecord : std::as_const( mapThemeRecords ) )
877 if ( layerSet.contains( layerMapThemeRecord.layer() ) )
879 layersStyle.insert( layerMapThemeRecord.layer()->id(), layerMapThemeRecord.layer()->styleManager()->style( layerMapThemeRecord.currentStyle ).xmlData() );
885 const QList<QgsMapLayer *> highlights = highlightLayers( cMapParams.
mHighlightLayers );
886 for (
const auto &hl : std::as_const( highlights ) )
888 layerSet.prepend( hl );
891 map->setLayers( layerSet );
892 map->setKeepLayerSet(
true );
896 if ( !layersStyle.isEmpty() )
898 map->setLayerStyleOverrides( layersStyle );
899 map->setKeepLayerStyles(
true );
906 map->grid()->setIntervalX(
static_cast<double>( cMapParams.
mGridX ) );
907 map->grid()->setIntervalY(
static_cast<double>( cMapParams.
mGridY ) );
912 QList<QgsLayoutItemLabel *> labels;
914 for (
const auto &label : std::as_const( labels ) )
917 const QString labelId = label->
id();
918 const QString labelParam = mWmsParameters.
layoutParameter( labelId, ok );
923 if ( labelParam.isEmpty() )
927 c->removeItem( label );
932 label->setText( labelParam );
936 QList<QgsLayoutItemHtml *> htmls;
938 for (
const auto &html : std::as_const( htmls ) )
940 if ( html->frameCount() == 0 )
945 const QString htmlId = htmlFrame->
id();
946 const QString htmlValue = mWmsParameters.
layoutParameter( htmlId, ok );
956 if ( htmlValue.isEmpty() )
958 c->removeMultiFrame( html );
965 QUrl newUrl( htmlValue );
966 html->setUrl( newUrl );
970 html->setHtml( htmlValue );
977 QList<QgsLayoutItemLegend *> legends;
979 for (
const auto &legend : std::as_const( legends ) )
981 if ( legend->autoUpdateModel() )
991 legend->setAutoUpdateModel(
false );
995 QStringList layerSet;
996 QList<QgsMapLayer *> mapLayers;
997 if ( map->
layers().isEmpty() )
1001 mapLayers = mProject->
mapLayers(
true ).values();
1005 mapLayers = map->
layers();
1007 const QList<QgsMapLayer *> layerList = mapLayers;
1008 for (
const auto &layer : layerList )
1009 layerSet << layer->id();
1021 for (
const auto &layerId : layerIds )
1028 if ( !layerSet.contains( layerId ) )
1030 qobject_cast<QgsLayerTreeGroup *>( nodeLayer->
parent() )->removeChildNode( nodeLayer );
1037 qobject_cast<QgsLayerTreeGroup *>( nodeLayer->
parent() )->removeChildNode( nodeLayer );
1056 std::unique_ptr<QgsWmsRestorer> restorer;
1067 std::unique_ptr<QPainter> painter;
1068 std::unique_ptr<QImage> image( createImage( mContext.
mapSize() ) );
1071 configureMapSettings( image.get(), mapSettings );
1077 QPainter *renderedPainter = layersRendering( mapSettings, *image );
1078 if ( !renderedPainter )
1083 painter.reset( renderedPainter );
1086 annotationsRendering( painter.get(), mapSettings );
1092 QImage *scaledImage = scaleImage( image.get() );
1094 image.reset( scaledImage );
1097 return image.release();
1108 QList<QgsDxfExport::DxfLayer> dxfLayers;
1120 int layerAttribute = -1;
1121 if ( attributes.size() > layerIdx )
1132 QString
crs = mWmsParameters.
crs();
1133 if (
crs.compare( QStringLiteral(
"CRS:84" ), Qt::CaseInsensitive ) == 0 )
1135 crs = QStringLiteral(
"EPSG:4326" );
1138 else if (
crs.isEmpty() )
1140 crs = QStringLiteral(
"EPSG:4326" );
1174 std::unique_ptr<QgsDxfExport> dxf = std::make_unique<QgsDxfExport>();
1175 dxf->setExtent( mapExtent );
1176 dxf->setDestinationCrs( outputCRS );
1177 dxf->addLayers( dxfLayers );
1179 dxf->setSymbologyExport( mWmsParameters.
dxfMode() );
1182 dxf->setSymbologyScale( mWmsParameters.
dxfScale() );
1185 dxf->setForce2d( mWmsParameters.
isForce2D() );
1187 if ( mWmsParameters.
noMText() )
1195 dxf->setFlags( flags );
1223 std::unique_ptr<QgsMapRendererTask> pdf = std::make_unique<QgsMapRendererTask>( ms, tmpFileName, QStringLiteral(
"PDF" ),
false,
QgsTask::Hidden, geospatialPdf, pdfExportDetails );
1226 pdf->setSaveWorldFile(
true );
1234 if ( i < 0 || i > mapSettings.
outputSize().width() )
1241 if ( j < 0 || j > mapSettings.
outputSize().height() )
1264 const bool ijDefined = !mWmsParameters.
i().isEmpty() && !mWmsParameters.
j().isEmpty();
1265 const bool xyDefined = !mWmsParameters.
x().isEmpty() && !mWmsParameters.
y().isEmpty();
1266 const bool filtersDefined = !mWmsParameters.
filters().isEmpty();
1267 const bool filterGeomDefined = !mWmsParameters.
filterGeom().isEmpty();
1269 if ( !ijDefined && !xyDefined && !filtersDefined && !filterGeomDefined )
1273 if ( mWmsParameters.
j().isEmpty() )
1286 std::unique_ptr<QImage> outputImage( createImage( mContext.
mapSize() ) );
1289 std::unique_ptr<QgsWmsRestorer> restorer;
1294 bool mandatoryCrsParam =
true;
1295 if ( filtersDefined && !ijDefined && !xyDefined && mWmsParameters.
crs().isEmpty() )
1297 mandatoryCrsParam =
false;
1303 configureMapSettings( outputImage.get(), mapSettings, mandatoryCrsParam );
1319#ifdef HAVE_SERVER_PYTHON_PLUGINS
1320 mContext.accessControl()->resolveFilterFeatures( mapSettings.
layers() );
1323 QDomDocument result = featureInfoDocument( layers, mapSettings, outputImage.get(), version );
1328 ba = convertFeatureInfoToText( result );
1330 ba = convertFeatureInfoToHtml( result );
1332 ba = convertFeatureInfoToJson( layers, result, mapSettings.
destinationCrs() );
1334 ba = result.toByteArray();
1339 QImage *QgsRenderer::createImage(
const QSize &size )
const
1341 std::unique_ptr<QImage> image;
1349 image = std::make_unique<QImage>( size, QImage::Format_ARGB32_Premultiplied );
1354 image = std::make_unique<QImage>( size, QImage::Format_RGB32 );
1359 if ( image->isNull() )
1361 throw QgsException( QStringLiteral(
"createImage: image could not be created, check for out of memory conditions" ) );
1364 const int dpm =
static_cast<int>( mContext.
dotsPerMm() * 1000.0 );
1365 image->setDotsPerMeterX( dpm );
1366 image->setDotsPerMeterY( dpm );
1368 return image.release();
1371 void QgsRenderer::configureMapSettings(
const QPaintDevice *paintDevice,
QgsMapSettings &mapSettings,
bool mandatoryCrsParam )
1375 throw QgsException( QStringLiteral(
"configureMapSettings: no paint device" ) );
1378 mapSettings.
setOutputSize( QSize( paintDevice->width(), paintDevice->height() ) );
1385 if ( !mWmsParameters.
bbox().isEmpty() && mapExtent.
isEmpty() )
1390 QString
crs = mWmsParameters.
crs();
1391 if (
crs.compare(
"CRS:84", Qt::CaseInsensitive ) == 0 )
1393 crs = QString(
"EPSG:4326" );
1396 else if (
crs.isEmpty() && !mandatoryCrsParam )
1398 crs = QString(
"EPSG:4326" );
1408 QgsWmsParameter parameter;
1450 else if ( backgroundColor.isValid() )
1479 const QString timeString { mWmsParameters.
dimensionValues().value( QStringLiteral(
"TIME" ), QString() ) };
1480 if ( !timeString.isEmpty() )
1482 bool isValidTemporalRange {
true };
1485 const QDateTime dt { QDateTime::fromString( timeString, Qt::DateFormat::ISODateWithMs ) };
1498 isValidTemporalRange =
false;
1503 if ( isValidTemporalRange )
1512 QgsRenderContext QgsRenderer::configureDefaultRenderContext( QPainter *painter )
1525 QDomDocument QgsRenderer::featureInfoDocument( QList<QgsMapLayer *> &layers,
const QgsMapSettings &mapSettings,
const QImage *outputImage,
const QString &version )
const
1529 bool ijDefined = ( !mWmsParameters.
i().isEmpty() && !mWmsParameters.
j().isEmpty() );
1531 bool xyDefined = ( !mWmsParameters.
x().isEmpty() && !mWmsParameters.
y().isEmpty() );
1533 bool filtersDefined = !mWmsParameters.
filters().isEmpty();
1535 bool filterGeomDefined = !mWmsParameters.
filterGeom().isEmpty();
1538 if ( featureCount < 1 )
1543 int i = mWmsParameters.
iAsInt();
1544 int j = mWmsParameters.
jAsInt();
1545 if ( xyDefined && !ijDefined )
1547 i = mWmsParameters.
xAsInt();
1548 j = mWmsParameters.
yAsInt();
1552 if ( ( i != -1 && j != -1 && width != 0 && height != 0 ) && ( width != outputImage->width() || height != outputImage->height() ) )
1554 i *= ( outputImage->width() /
static_cast<double>( width ) );
1555 j *= ( outputImage->height() /
static_cast<double>( height ) );
1559 std::unique_ptr<QgsRectangle> featuresRect;
1560 std::unique_ptr<QgsGeometry> filterGeom;
1561 std::unique_ptr<QgsPointXY> infoPoint;
1563 if ( i != -1 && j != -1 )
1566 infoPointToMapCoordinates( i, j, infoPoint.get(), mapSettings );
1568 else if ( filtersDefined )
1573 if ( filterGeomDefined )
1578 QDomDocument result;
1579 const QDomNode header = result.createProcessingInstruction( QStringLiteral(
"xml" ), QStringLiteral(
"version=\"1.0\" encoding=\"UTF-8\"" ) );
1580 result.appendChild( header );
1582 QDomElement getFeatureInfoElement;
1586 getFeatureInfoElement = result.createElement( QStringLiteral(
"wfs:FeatureCollection" ) );
1587 getFeatureInfoElement.setAttribute( QStringLiteral(
"xmlns:wfs" ), QStringLiteral(
"http://www.opengis.net/wfs" ) );
1588 getFeatureInfoElement.setAttribute( QStringLiteral(
"xmlns:ogc" ), QStringLiteral(
"http://www.opengis.net/ogc" ) );
1589 getFeatureInfoElement.setAttribute( QStringLiteral(
"xmlns:gml" ), QStringLiteral(
"http://www.opengis.net/gml" ) );
1590 getFeatureInfoElement.setAttribute( QStringLiteral(
"xmlns:ows" ), QStringLiteral(
"http://www.opengis.net/ows" ) );
1591 getFeatureInfoElement.setAttribute( QStringLiteral(
"xmlns:xlink" ), QStringLiteral(
"http://www.w3.org/1999/xlink" ) );
1592 getFeatureInfoElement.setAttribute( QStringLiteral(
"xmlns:qgs" ), QStringLiteral(
"http://qgis.org/gml" ) );
1593 getFeatureInfoElement.setAttribute( QStringLiteral(
"xmlns:xsi" ), QStringLiteral(
"http://www.w3.org/2001/XMLSchema-instance" ) );
1594 getFeatureInfoElement.setAttribute( QStringLiteral(
"xsi:schemaLocation" ), QStringLiteral(
"http://www.opengis.net/wfs http://schemas.opengis.net/wfs/1.0.0/wfs.xsd http://qgis.org/gml" ) );
1599 if ( featureInfoElemName.isEmpty() )
1601 featureInfoElemName = QStringLiteral(
"GetFeatureInfoResponse" );
1604 if ( featureInfoElemNs.isEmpty() )
1606 getFeatureInfoElement = result.createElement( featureInfoElemName );
1610 getFeatureInfoElement = result.createElementNS( featureInfoElemNs, featureInfoElemName );
1614 if ( !featureInfoSchema.isEmpty() )
1616 getFeatureInfoElement.setAttribute( QStringLiteral(
"xmlns:xsi" ), QStringLiteral(
"http://www.w3.org/2001/XMLSchema-instance" ) );
1617 getFeatureInfoElement.setAttribute( QStringLiteral(
"xsi:schemaLocation" ), featureInfoSchema );
1620 result.appendChild( getFeatureInfoElement );
1630 for (
const QString &queryLayer : queryLayers )
1632 bool validLayer =
false;
1633 bool queryableLayer =
true;
1634 for (
QgsMapLayer *layer : std::as_const( layers ) )
1640 if ( !queryableLayer )
1645 QDomElement layerElement;
1648 layerElement = getFeatureInfoElement;
1652 layerElement = result.createElement( QStringLiteral(
"Layer" ) );
1653 QString layerName = queryLayer;
1656 QHash<QString, QString>::const_iterator layerAliasIt = layerAliasMap.constFind( layerName );
1657 if ( layerAliasIt != layerAliasMap.constEnd() )
1659 layerName = layerAliasIt.value();
1662 layerElement.setAttribute( QStringLiteral(
"name" ), layerName );
1663 const QString layerTitle = layer->serverProperties()->title();
1664 if ( !layerTitle.isEmpty() )
1666 layerElement.setAttribute( QStringLiteral(
"title" ), layerTitle );
1670 layerElement.setAttribute( QStringLiteral(
"title" ), layerName );
1672 getFeatureInfoElement.appendChild( layerElement );
1675 layerElement.setAttribute( QStringLiteral(
"id" ), layer->id() );
1681 QgsVectorLayer *vectorLayer = qobject_cast<QgsVectorLayer *>( layer );
1684 ( void ) featureInfoFromVectorLayer( vectorLayer, infoPoint.get(), featureCount, result, layerElement, mapSettings, renderContext, version, featuresRect.get(), filterGeom.get() );
1690 QgsRasterLayer *rasterLayer = qobject_cast<QgsRasterLayer *>( layer );
1699 QgsPointXY layerInfoPoint = mapSettings.mapToLayerCoordinates( layer, *( infoPoint.get() ) );
1706 layerElement = result.createElement( QStringLiteral(
"gml:featureMember" ) );
1707 getFeatureInfoElement.appendChild( layerElement );
1710 ( void ) featureInfoFromRasterLayer( rasterLayer, mapSettings, &layerInfoPoint, renderContext, result, layerElement, version );
1718 param.mValue = queryLayer;
1721 else if ( ( validLayer && !queryableLayer ) || ( !validLayer && mContext.
isValidGroup( queryLayer ) ) )
1724 param.mValue = queryLayer;
1726 bool hasGroupAndQueryable {
false };
1731 for (
const QString &ql : constNicks )
1735 const QList<QgsMapLayer *> constLayers { mContext.
layerGroups()[ql] };
1738 if ( ( !ml->serverProperties()->shortName().isEmpty() && ml->serverProperties()->shortName() == queryLayer ) || ( ml->name() == queryLayer ) )
1744 hasGroupAndQueryable =
true;
1753 if ( !hasGroupAndQueryable )
1760 if ( featuresRect && !featuresRect->isNull() )
1764 QDomElement bBoxElem = result.createElement( QStringLiteral(
"gml:boundedBy" ) );
1765 QDomElement boxElem;
1767 if ( gmlVersion < 3 )
1779 boxElem.setAttribute( QStringLiteral(
"srsName" ),
crs.
authid() );
1781 bBoxElem.appendChild( boxElem );
1782 getFeatureInfoElement.insertBefore( bBoxElem, QDomNode() );
1786 QDomElement bBoxElem = result.createElement( QStringLiteral(
"BoundingBox" ) );
1787 bBoxElem.setAttribute( QStringLiteral(
"CRS" ), mapSettings.destinationCrs().authid() );
1788 bBoxElem.setAttribute( QStringLiteral(
"minx" ),
qgsDoubleToString( featuresRect->xMinimum(), 8 ) );
1789 bBoxElem.setAttribute( QStringLiteral(
"maxx" ),
qgsDoubleToString( featuresRect->xMaximum(), 8 ) );
1790 bBoxElem.setAttribute( QStringLiteral(
"miny" ),
qgsDoubleToString( featuresRect->yMinimum(), 8 ) );
1791 bBoxElem.setAttribute( QStringLiteral(
"maxy" ),
qgsDoubleToString( featuresRect->yMaximum(), 8 ) );
1792 getFeatureInfoElement.insertBefore( bBoxElem, QDomNode() );
1798 convertFeatureInfoToSia2045( result );
1814 std::unique_ptr<QgsGeometry> layerFilterGeom;
1817 layerFilterGeom.reset(
new QgsGeometry( *filterGeom ) );
1831 searchRect = featureInfoSearchRect( layer, mapSettings, renderContext, *infoPoint );
1833 else if ( layerFilterGeom )
1835 searchRect = layerFilterGeom->boundingBox();
1837 else if ( !mWmsParameters.
bbox().isEmpty() )
1839 searchRect = layerRect;
1846 int featureCounter = 0;
1865 if ( layerFilterGeom )
1867 fReq.
setFilterExpression( QString(
"intersects( $geometry, geom_from_wkt('%1') )" ).arg( layerFilterGeom->asWkt() ) );
1872#ifdef HAVE_SERVER_PYTHON_PLUGINS
1873 mContext.accessControl()->filterFeatures( layer, fReq );
1875 QStringList attributes;
1876 for (
const QgsField &field : fields )
1878 attributes.append( field.name() );
1880 attributes = mContext.accessControl()->layerAttributes( layer, attributes );
1888 r2->startRender( renderContext, layer->
fields() );
1891 bool featureBBoxInitialized =
false;
1900 if ( featureCounter > nFeatures )
1915 bool render = r2->willRenderFeature( feature, renderContext );
1928 if ( !featureBBoxInitialized && featureBBox->
isEmpty() )
1931 featureBBoxInitialized =
true;
1951 QDomElement elem = createFeatureGML(
1953#ifdef HAVE_SERVER_PYTHON_PLUGINS
1958 QDomElement featureMemberElem = infoDocument.createElement( QStringLiteral(
"gml:featureMember" ) );
1959 featureMemberElem.appendChild( elem );
1960 layerElement.appendChild( featureMemberElem );
1965 QDomElement featureElement = infoDocument.createElement( QStringLiteral(
"Feature" ) );
1967 layerElement.appendChild( featureElement );
1973 writeAttributesTabLayout( editConfig, layer, fields, featureAttributes, infoDocument, featureElement, renderContext
1974#ifdef HAVE_SERVER_PYTHON_PLUGINS
1982 for (
int i = 0; i < featureAttributes.count(); ++i )
1984 writeVectorLayerAttribute( i, layer, fields, featureAttributes, infoDocument, featureElement, renderContext
1985#ifdef HAVE_SERVER_PYTHON_PLUGINS
1997 QDomElement maptipElem = infoDocument.createElement( QStringLiteral(
"Attribute" ) );
1998 maptipElem.setAttribute( QStringLiteral(
"name" ), QStringLiteral(
"maptip" ) );
2002 featureElement.appendChild( maptipElem );
2008 QDomElement displayElem = infoDocument.createElement( QStringLiteral(
"Attribute" ) );
2009 displayElem.setAttribute( QStringLiteral(
"name" ), QStringLiteral(
"displayName" ) );
2012 displayExpression.
prepare( &context );
2013 displayElem.setAttribute( QStringLiteral(
"value" ), displayExpression.
evaluate( &context ).toString() );
2014 featureElement.appendChild( displayElem );
2020 QDomElement bBoxElem = infoDocument.createElement( QStringLiteral(
"BoundingBox" ) );
2021 bBoxElem.setAttribute( version == QLatin1String(
"1.1.1" ) ?
"SRS" :
"CRS",
outputCrs.authid() );
2026 featureElement.appendChild( bBoxElem );
2042 if ( segmentizeWktGeometry )
2050 geom.
set( segmentizedGeom );
2054 QDomElement geometryElement = infoDocument.createElement( QStringLiteral(
"Attribute" ) );
2055 geometryElement.setAttribute( QStringLiteral(
"name" ), QStringLiteral(
"geometry" ) );
2056 geometryElement.setAttribute( QStringLiteral(
"value" ), geom.
asWkt( mContext.
precision() ) );
2057 geometryElement.setAttribute( QStringLiteral(
"type" ), QStringLiteral(
"derived" ) );
2058 featureElement.appendChild( geometryElement );
2065 r2->stopRender( renderContext );
2076 QString groupName = container->
name();
2077 QDomElement nameElem;
2079 if ( !groupName.isEmpty() )
2081 nameElem = doc.createElement( groupName );
2082 parentElem.appendChild( nameElem );
2085 const QList<QgsAttributeEditorElement *> children = container->
children();
2090 writeAttributesTabGroup( child, layer, fields, featureAttributes, doc, nameElem.isNull() ? parentElem : nameElem, renderContext );
2100 writeVectorLayerAttribute( idx, layer, fields, featureAttributes, doc, nameElem.isNull() ? parentElem : nameElem, renderContext, attributes );
2111 if ( !editorContainer )
2116 writeAttributesTabGroup( editorContainer, layer, fields, featureAttributes, doc, featureElem, renderContext, attributes );
2119 void QgsRenderer::writeVectorLayerAttribute(
int attributeIndex,
QgsVectorLayer *layer,
const QgsFields &fields,
QgsAttributes &featureAttributes, QDomDocument &doc, QDomElement &featureElem,
QgsRenderContext &renderContext, QStringList *attributes )
const
2121#ifndef HAVE_SERVER_PYTHON_PLUGINS
2122 Q_UNUSED( attributes );
2135#ifdef HAVE_SERVER_PYTHON_PLUGINS
2137 if ( attributes && !attributes->contains( fields.
at( attributeIndex ).
name() ) )
2144 QDomElement attributeElement = doc.createElement( QStringLiteral(
"Attribute" ) );
2145 attributeElement.setAttribute( QStringLiteral(
"name" ), attributeName );
2148 featureElem.appendChild( attributeElement );
2170 :
Qgis::RasterIdentifyFormat::Value
2189 if ( !identifyResult.
isValid() )
2192 QMap<int, QVariant> attributes = identifyResult.
results();
2206 for (
auto it = attributes.constBegin(); it != attributes.constEnd(); ++it )
2209 feature.
setAttribute( index++, QString::number( it.value().toDouble() ) );
2212 QDomElement elem = createFeatureGML(
2213 &feature,
nullptr, infoDocument, layerCrs, mapSettings,
typeName,
false, gmlVersion,
nullptr
2215 layerElement.appendChild( elem );
2219 const auto values = identifyResult.
results();
2220 for (
auto it = values.constBegin(); it != values.constEnd(); ++it )
2222 QVariant value = it.value();
2223 if ( value.userType() == QMetaType::Type::Bool && !value.toBool() )
2229 if ( value.userType() == QMetaType::Type::QString )
2240 for (
const QgsFeature &feature : storeFeatures )
2242 QDomElement elem = createFeatureGML(
2243 &feature,
nullptr, infoDocument, layerCrs, mapSettings,
typeName,
false, gmlVersion,
nullptr
2245 layerElement.appendChild( elem );
2255 for (
auto it = attributes.constBegin(); it != attributes.constEnd(); ++it )
2257 QDomElement attributeElement = infoDocument.createElement( QStringLiteral(
"Attribute" ) );
2258 attributeElement.setAttribute( QStringLiteral(
"name" ), layer->
bandName( it.key() ) );
2263 value = QString::number( it.value().toDouble() );
2266 attributeElement.setAttribute( QStringLiteral(
"value" ), value );
2267 layerElement.appendChild( attributeElement );
2272 const auto values = identifyResult.
results();
2273 for (
auto it = values.constBegin(); it != values.constEnd(); ++it )
2275 QVariant value = it.value();
2276 if ( value.userType() == QMetaType::Type::Bool && !value.toBool() )
2282 if ( value.userType() == QMetaType::Type::QString )
2292 for (
const QgsFeature &feature : storeFeatures )
2294 for (
const auto &fld : feature.fields() )
2296 const auto val { feature.
attribute( fld.name() ) };
2297 if ( val.isValid() )
2299 QDomElement attributeElement = infoDocument.createElement( QStringLiteral(
"Attribute" ) );
2300 attributeElement.setAttribute( QStringLiteral(
"name" ), fld.name() );
2301 attributeElement.setAttribute( QStringLiteral(
"value" ), val.toString() );
2302 layerElement.appendChild( attributeElement );
2313 QDomElement maptipElem = infoDocument.createElement( QStringLiteral(
"Attribute" ) );
2314 maptipElem.setAttribute( QStringLiteral(
"name" ), QStringLiteral(
"maptip" ) );
2318 context.appendScope( scope );
2320 layerElement.appendChild( maptipElem );
2326 bool QgsRenderer::testFilterStringSafety(
const QString &filter )
const
2329 if ( filter.contains( QLatin1String(
";" ) ) )
2334 QStringList tokens = filter.split(
' ', Qt::SkipEmptyParts );
2335 groupStringList( tokens, QStringLiteral(
"'" ) );
2336 groupStringList( tokens, QStringLiteral(
"\"" ) );
2338 for (
auto tokenIt = tokens.constBegin(); tokenIt != tokens.constEnd(); ++tokenIt )
2341 if ( tokenIt->compare( QLatin1String(
"," ) ) == 0
2342 || tokenIt->compare( QLatin1String(
"(" ) ) == 0
2343 || tokenIt->compare( QLatin1String(
")" ) ) == 0
2344 || tokenIt->compare( QLatin1String(
"=" ) ) == 0
2345 || tokenIt->compare( QLatin1String(
"!=" ) ) == 0
2346 || tokenIt->compare( QLatin1String(
"<" ) ) == 0
2347 || tokenIt->compare( QLatin1String(
"<=" ) ) == 0
2348 || tokenIt->compare( QLatin1String(
">" ) ) == 0
2349 || tokenIt->compare( QLatin1String(
">=" ) ) == 0
2350 || tokenIt->compare( QLatin1String(
"%" ) ) == 0
2351 || tokenIt->compare( QLatin1String(
"IS" ), Qt::CaseInsensitive ) == 0
2352 || tokenIt->compare( QLatin1String(
"NOT" ), Qt::CaseInsensitive ) == 0
2353 || tokenIt->compare( QLatin1String(
"NULL" ), Qt::CaseInsensitive ) == 0
2354 || tokenIt->compare( QLatin1String(
"AND" ), Qt::CaseInsensitive ) == 0
2355 || tokenIt->compare( QLatin1String(
"OR" ), Qt::CaseInsensitive ) == 0
2356 || tokenIt->compare( QLatin1String(
"IN" ), Qt::CaseInsensitive ) == 0
2357 || tokenIt->compare( QLatin1String(
"LIKE" ), Qt::CaseInsensitive ) == 0
2358 || tokenIt->compare( QLatin1String(
"ILIKE" ), Qt::CaseInsensitive ) == 0
2359 || tokenIt->compare( QLatin1String(
"DMETAPHONE" ), Qt::CaseInsensitive ) == 0
2360 || tokenIt->compare( QLatin1String(
"SOUNDEX" ), Qt::CaseInsensitive ) == 0
2368 ( void ) tokenIt->toDouble( &isNumeric );
2377 if ( *tokenIt == QLatin1String(
"''" ) )
2383 if ( tokenIt->size() > 2
2384 && ( *tokenIt )[0] == QChar(
'\'' )
2385 && ( *tokenIt )[tokenIt->size() - 1] == QChar(
'\'' )
2386 && ( *tokenIt )[1] != QChar(
'\'' )
2387 && ( *tokenIt )[tokenIt->size() - 2] != QChar(
'\'' ) )
2393 if ( tokenIt->size() > 2
2394 && ( *tokenIt )[0] == QChar(
'"' )
2395 && ( *tokenIt )[tokenIt->size() - 1] == QChar(
'"' )
2396 && ( *tokenIt )[1] != QChar(
'"' )
2397 && ( *tokenIt )[tokenIt->size() - 2] != QChar(
'"' ) )
2408 void QgsRenderer::groupStringList( QStringList &list,
const QString &groupString )
2411 bool groupActive =
false;
2412 int startGroup = -1;
2413 QString concatString;
2415 for (
int i = 0; i < list.size(); ++i )
2417 QString &str = list[i];
2418 if ( str.startsWith( groupString ) )
2422 concatString.clear();
2427 if ( i != startGroup )
2429 concatString.append(
" " );
2431 concatString.append( str );
2434 if ( str.endsWith( groupString ) )
2437 groupActive =
false;
2439 if ( startGroup != -1 )
2441 list[startGroup] = concatString;
2442 for (
int j = startGroup + 1; j <= endGroup; ++j )
2444 list.removeAt( startGroup + 1 );
2449 concatString.clear();
2455 void QgsRenderer::convertFeatureInfoToSia2045( QDomDocument &doc )
const
2457 QDomDocument SIAInfoDoc;
2458 QDomElement infoDocElement = doc.documentElement();
2459 QDomElement SIAInfoDocElement = SIAInfoDoc.importNode( infoDocElement,
false ).toElement();
2460 SIAInfoDoc.appendChild( SIAInfoDocElement );
2462 QString currentAttributeName;
2463 QString currentAttributeValue;
2464 QDomElement currentAttributeElem;
2465 QString currentLayerName;
2466 QDomElement currentLayerElem;
2467 QDomNodeList layerNodeList = infoDocElement.elementsByTagName( QStringLiteral(
"Layer" ) );
2468 for (
int i = 0; i < layerNodeList.size(); ++i )
2470 currentLayerElem = layerNodeList.at( i ).toElement();
2471 currentLayerName = currentLayerElem.attribute( QStringLiteral(
"name" ) );
2473 QDomElement currentFeatureElem;
2475 QDomNodeList featureList = currentLayerElem.elementsByTagName( QStringLiteral(
"Feature" ) );
2476 if ( featureList.isEmpty() )
2479 QDomNodeList attributeList = currentLayerElem.elementsByTagName( QStringLiteral(
"Attribute" ) );
2480 QDomElement rasterLayerElem;
2481 if ( !attributeList.isEmpty() )
2483 rasterLayerElem = SIAInfoDoc.createElement( currentLayerName );
2485 for (
int j = 0; j < attributeList.size(); ++j )
2487 currentAttributeElem = attributeList.at( j ).toElement();
2488 currentAttributeName = currentAttributeElem.attribute( QStringLiteral(
"name" ) );
2489 currentAttributeValue = currentAttributeElem.attribute( QStringLiteral(
"value" ) );
2490 QDomElement outAttributeElem = SIAInfoDoc.createElement( currentAttributeName );
2491 QDomText outAttributeText = SIAInfoDoc.createTextNode( currentAttributeValue );
2492 outAttributeElem.appendChild( outAttributeText );
2493 rasterLayerElem.appendChild( outAttributeElem );
2495 if ( !attributeList.isEmpty() )
2497 SIAInfoDocElement.appendChild( rasterLayerElem );
2503 QSet<QString> layerPropertyAttributes;
2504 QString currentLayerId = currentLayerElem.attribute( QStringLiteral(
"id" ) );
2505 if ( !currentLayerId.isEmpty() )
2510 QString WMSPropertyAttributesString = currentLayer->
customProperty( QStringLiteral(
"WMSPropertyAttributes" ) ).toString();
2511 if ( !WMSPropertyAttributesString.isEmpty() )
2513 QStringList propertyList = WMSPropertyAttributesString.split( QStringLiteral(
"//" ) );
2514 for (
auto propertyIt = propertyList.constBegin(); propertyIt != propertyList.constEnd(); ++propertyIt )
2516 layerPropertyAttributes.insert( *propertyIt );
2522 QDomElement propertyRefChild;
2523 for (
int j = 0; j < featureList.size(); ++j )
2525 QDomElement SIAFeatureElem = SIAInfoDoc.createElement( currentLayerName );
2526 currentFeatureElem = featureList.at( j ).toElement();
2527 QDomNodeList attributeList = currentFeatureElem.elementsByTagName( QStringLiteral(
"Attribute" ) );
2529 for (
int k = 0; k < attributeList.size(); ++k )
2531 currentAttributeElem = attributeList.at( k ).toElement();
2532 currentAttributeName = currentAttributeElem.attribute( QStringLiteral(
"name" ) );
2533 currentAttributeValue = currentAttributeElem.attribute( QStringLiteral(
"value" ) );
2534 if ( layerPropertyAttributes.contains( currentAttributeName ) )
2536 QDomElement propertyElem = SIAInfoDoc.createElement( QStringLiteral(
"property" ) );
2537 QDomElement identifierElem = SIAInfoDoc.createElement( QStringLiteral(
"identifier" ) );
2538 QDomText identifierText = SIAInfoDoc.createTextNode( currentAttributeName );
2539 identifierElem.appendChild( identifierText );
2540 QDomElement valueElem = SIAInfoDoc.createElement( QStringLiteral(
"value" ) );
2541 QDomText valueText = SIAInfoDoc.createTextNode( currentAttributeValue );
2542 valueElem.appendChild( valueText );
2543 propertyElem.appendChild( identifierElem );
2544 propertyElem.appendChild( valueElem );
2545 if ( propertyRefChild.isNull() )
2547 SIAFeatureElem.insertBefore( propertyElem, QDomNode() );
2548 propertyRefChild = propertyElem;
2552 SIAFeatureElem.insertAfter( propertyElem, propertyRefChild );
2557 QDomElement SIAAttributeElem = SIAInfoDoc.createElement( currentAttributeName );
2558 QDomText SIAAttributeText = SIAInfoDoc.createTextNode( currentAttributeValue );
2559 SIAAttributeElem.appendChild( SIAAttributeText );
2560 SIAFeatureElem.appendChild( SIAAttributeElem );
2563 SIAInfoDocElement.appendChild( SIAFeatureElem );
2570 QByteArray QgsRenderer::convertFeatureInfoToHtml(
const QDomDocument &doc )
const
2573 QString featureInfoString = QStringLiteral(
" <!DOCTYPE html>" );
2576 featureInfoString.append( QStringLiteral( R
"HTML(
2579 <title>Information</title>
2580 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
2583 font-family: "Open Sans", "Calluna Sans", "Gill Sans MT", "Calibri", "Trebuchet MS", sans-serif;
2590 border: 1px solid black;
2591 border-collapse: collapse;
2612 const QDomNodeList layerList = doc.elementsByTagName( QStringLiteral(
"Layer" ) );
2615 for (
int i = 0; i < layerList.size(); ++i )
2617 const QDomElement layerElem = layerList.at( i ).toElement();
2620 const QDomNodeList featureNodeList = layerElem.elementsByTagName( QStringLiteral(
"Feature" ) );
2621 const QDomElement currentFeatureElement;
2623 if ( !featureNodeList.isEmpty() )
2627 const QString featureInfoLayerTitleString = QStringLiteral(
" <div class='layer-title'>%1</div>" ).arg( layerElem.attribute( QStringLiteral(
"title" ) ).toHtmlEscaped() );
2628 featureInfoString.append( featureInfoLayerTitleString );
2631 for (
int j = 0; j < featureNodeList.size(); ++j )
2633 const QDomElement featureElement = featureNodeList.at( j ).toElement();
2636 featureInfoString.append( QStringLiteral( R
"HTML(
2641 const QDomNodeList attributeNodeList = featureElement.elementsByTagName( QStringLiteral(
"Attribute" ) );
2642 for (
int k = 0; k < attributeNodeList.size(); ++k )
2644 const QDomElement attributeElement = attributeNodeList.at( k ).toElement();
2645 const QString name = attributeElement.attribute( QStringLiteral(
"name" ) ).toHtmlEscaped();
2646 QString value = attributeElement.attribute( QStringLiteral(
"value" ) );
2647 if ( name != QLatin1String(
"maptip" ) )
2649 value = value.toHtmlEscaped();
2654 const QString featureInfoAttributeString = QStringLiteral( R
"HTML(
2659 .arg( name, value );
2661 featureInfoString.append( featureInfoAttributeString );
2663 else if ( name == QLatin1String(
"maptip" ) )
2665 featureInfoString.append( QStringLiteral( R
"HTML(
2673 featureInfoString.append( QStringLiteral( R
"HTML(
2680 const QDomNodeList attributeNodeList = layerElem.elementsByTagName( QStringLiteral(
"Attribute" ) );
2683 if ( !attributeNodeList.isEmpty() )
2687 const QString featureInfoLayerTitleString = QStringLiteral(
" <div class='layer-title'>%1</div>" ).arg( layerElem.attribute( QStringLiteral(
"title" ) ).toHtmlEscaped() );
2688 featureInfoString.append( featureInfoLayerTitleString );
2690 featureInfoString.append( QStringLiteral( R
"HTML(
2694 for (
int j = 0; j < attributeNodeList.size(); ++j )
2696 const QDomElement attributeElement = attributeNodeList.at( j ).toElement();
2697 const QString name = attributeElement.attribute( QStringLiteral(
"name" ) ).toHtmlEscaped();
2698 QString value = attributeElement.attribute( QStringLiteral(
"value" ) );
2699 if ( value.isEmpty() )
2701 value = QStringLiteral(
"no data" );
2703 if ( name != QLatin1String(
"maptip" ) )
2705 value = value.toHtmlEscaped();
2710 const QString featureInfoAttributeString = QStringLiteral( R
"HTML(
2715 .arg( name, value );
2718 featureInfoString.append( featureInfoAttributeString );
2720 else if ( name == QLatin1String(
"maptip" ) )
2722 featureInfoString.append( QStringLiteral( R
"HTML(
2730 featureInfoString.append( QStringLiteral( R
"HTML(
2740 featureInfoString.append( QStringLiteral( R
"HTML(
2744 return featureInfoString.toUtf8();
2747 QByteArray QgsRenderer::convertFeatureInfoToText(
const QDomDocument &doc )
const
2749 QString featureInfoString;
2752 featureInfoString.append(
"GetFeatureInfo results\n" );
2753 featureInfoString.append(
"\n" );
2755 QDomNodeList layerList = doc.elementsByTagName( QStringLiteral(
"Layer" ) );
2758 for (
int i = 0; i < layerList.size(); ++i )
2760 QDomElement layerElem = layerList.at( i ).toElement();
2762 featureInfoString.append(
"Layer '" + layerElem.attribute( QStringLiteral(
"name" ) ) +
"'\n" );
2765 QDomNodeList featureNodeList = layerElem.elementsByTagName( QStringLiteral(
"Feature" ) );
2766 QDomElement currentFeatureElement;
2768 if ( !featureNodeList.isEmpty() )
2770 for (
int j = 0; j < featureNodeList.size(); ++j )
2772 QDomElement featureElement = featureNodeList.at( j ).toElement();
2773 featureInfoString.append(
"Feature " + featureElement.attribute( QStringLiteral(
"id" ) ) +
"\n" );
2776 QDomNodeList attributeNodeList = featureElement.elementsByTagName( QStringLiteral(
"Attribute" ) );
2777 for (
int k = 0; k < attributeNodeList.size(); ++k )
2779 QDomElement attributeElement = attributeNodeList.at( k ).toElement();
2780 featureInfoString.append( attributeElement.attribute( QStringLiteral(
"name" ) ) +
" = '" + attributeElement.attribute( QStringLiteral(
"value" ) ) +
"'\n" );
2786 QDomNodeList attributeNodeList = layerElem.elementsByTagName( QStringLiteral(
"Attribute" ) );
2787 for (
int j = 0; j < attributeNodeList.size(); ++j )
2789 QDomElement attributeElement = attributeNodeList.at( j ).toElement();
2790 QString value = attributeElement.attribute( QStringLiteral(
"value" ) );
2791 if ( value.isEmpty() )
2793 value = QStringLiteral(
"no data" );
2795 featureInfoString.append( attributeElement.attribute( QStringLiteral(
"name" ) ) +
" = '" + value +
"'\n" );
2799 featureInfoString.append(
"\n" );
2802 return featureInfoString.toUtf8();
2805 QByteArray QgsRenderer::convertFeatureInfoToJson(
const QList<QgsMapLayer *> &layers,
const QDomDocument &doc,
const QgsCoordinateReferenceSystem &destCRS )
const
2808 {
"type",
"FeatureCollection" },
2809 {
"features", json::array() },
2813 const QDomNodeList layerList = doc.elementsByTagName( QStringLiteral(
"Layer" ) );
2814 for (
int i = 0; i < layerList.size(); ++i )
2816 const QDomElement layerElem = layerList.at( i ).toElement();
2817 const QString layerName = layerElem.attribute( QStringLiteral(
"name" ) );
2822 if ( mContext.
layerNickname( *l ).compare( layerName ) == 0 )
2838 const QDomNodeList featuresNode = layerElem.elementsByTagName( QStringLiteral(
"Feature" ) );
2839 if ( featuresNode.isEmpty() )
2842 QMap<QgsFeatureId, QString> fidMap;
2844 for (
int j = 0; j < featuresNode.size(); ++j )
2846 const QDomElement featureNode = featuresNode.at( j ).toElement();
2847 const QString fid = featureNode.attribute( QStringLiteral(
"id" ) );
2850 if ( expression.isEmpty() )
2852 feature = vl->
getFeature( fid.toLongLong() );
2861 fidMap.insert( feature.
id(), fid );
2866 const QDomNodeList attrs = featureNode.elementsByTagName(
"Attribute" );
2867 for (
int k = 0; k < attrs.count(); k++ )
2869 const QDomElement elm = attrs.at( k ).toElement();
2870 if ( elm.attribute( QStringLiteral(
"name" ) ).compare(
"geometry" ) == 0 )
2872 wkt = elm.attribute(
"value" );
2877 if ( !wkt.isEmpty() )
2883 features << feature;
2886 if ( !attributes.isEmpty() )
2889 const QDomNodeList attributesNode = featureNode.elementsByTagName( QStringLiteral(
"Attribute" ) );
2890 for (
int k = 0; k < attributesNode.size(); ++k )
2892 const QDomElement attributeElement = attributesNode.at( k ).toElement();
2893 const QString fieldName = attributeElement.
attribute( QStringLiteral(
"name" ) );
2895 attributes << feature.fieldNameIndex( fieldName );
2901 exporter.setAttributeDisplayName(
true );
2902 exporter.setAttributes( attributes );
2903 exporter.setIncludeGeometry( withGeometry );
2904 exporter.setTransformGeometries(
false );
2908 for (
const auto &feature : std::as_const( features ) )
2910 const QString
id = QStringLiteral(
"%1.%2" ).arg( layerName ).arg( fidMap.value( feature.id() ) );
2911 json[
"features"].push_back( exporter.exportFeatureToJsonObject( feature, QVariantMap(),
id ) );
2916 auto properties = json::object();
2917 const QDomNodeList attributesNode = layerElem.elementsByTagName( QStringLiteral(
"Attribute" ) );
2918 for (
int j = 0; j < attributesNode.size(); ++j )
2920 const QDomElement attrElmt = attributesNode.at( j ).toElement();
2921 const QString name = attrElmt.attribute( QStringLiteral(
"name" ) );
2923 QString value = attrElmt.attribute( QStringLiteral(
"value" ) );
2924 if ( value.isEmpty() )
2926 value = QStringLiteral(
"null" );
2929 properties[name.toStdString()] = value.toStdString();
2932 json[
"features"].push_back(
2933 { {
"type",
"Feature" },
2934 {
"id", layerName.toStdString() },
2935 {
"properties", properties }
2942 return QByteArray::fromStdString( json.dump( 2 ) );
2944 return QByteArray::fromStdString( json.dump() );
2948 QDomElement QgsRenderer::createFeatureGML(
2957 QStringList *attributes
2961 QDomElement typeNameElement = doc.createElement(
"qgs:" +
typeName );
2968 typeNameElement.setAttribute( QStringLiteral(
"fid" ), QStringLiteral(
"%1.%2" ).arg(
typeName, fid ) );
2971 if ( layer && layer->
crs() !=
crs )
3002 QDomElement bbElem = doc.createElement( QStringLiteral(
"gml:boundedBy" ) );
3003 QDomElement boxElem;
3015 boxElem.setAttribute( QStringLiteral(
"srsName" ),
crs.
authid() );
3017 bbElem.appendChild( boxElem );
3018 typeNameElement.appendChild( bbElem );
3030 QDomElement geomElem = doc.createElement( QStringLiteral(
"qgs:geometry" ) );
3031 QDomElement gmlElem;
3041 if ( !gmlElem.isNull() )
3045 gmlElem.setAttribute( QStringLiteral(
"srsName" ),
crs.
authid() );
3047 geomElem.appendChild( gmlElem );
3048 typeNameElement.appendChild( geomElem );
3055 for (
int i = 0; i < fields.
count(); ++i )
3057 QString attributeName = fields.
at( i ).
name();
3064 if ( attributes && !attributes->contains( attributeName ) )
3069 QDomElement fieldElem = doc.createElement(
"qgs:" + attributeName.replace(
' ',
'_' ) );
3070 QString fieldTextString = featureAttributes.at( i ).toString();
3075 QDomText fieldText = doc.createTextNode( fieldTextString );
3076 fieldElem.appendChild( fieldText );
3077 typeNameElement.appendChild( fieldElem );
3088 QDomElement fieldElem = doc.createElement( QStringLiteral(
"qgs:maptip" ) );
3089 QDomText maptipText = doc.createTextNode( fieldTextString );
3090 fieldElem.appendChild( maptipText );
3091 typeNameElement.appendChild( fieldElem );
3095 return typeNameElement;
3098 QString QgsRenderer::replaceValueMapAndRelation(
QgsVectorLayer *vl,
int idx,
const QVariant &attributeVal )
3102 QString value( fieldFormatter->
representValue( vl, idx, setup.
config(), QVariant(), attributeVal ) );
3104 if ( setup.
config().value( QStringLiteral(
"AllowMulti" ) ).toBool() && value.startsWith( QLatin1Char(
'{' ) ) && value.endsWith( QLatin1Char(
'}' ) ) )
3106 value = value.mid( 1, value.size() - 2 );
3118 double mapUnitTolerance = 0.0;
3128 mapUnitTolerance = mapSettings.
extent().
width() / 400.0;
3140 mapUnitTolerance = mapSettings.
extent().
width() / 200.0;
3152 mapUnitTolerance = mapSettings.
extent().
width() / 100.0;
3156 QgsRectangle mapRectangle( infoPoint.
x() - mapUnitTolerance, infoPoint.
y() - mapUnitTolerance, infoPoint.
x() + mapUnitTolerance, infoPoint.
y() + mapUnitTolerance );
3160 QList<QgsMapLayer *> QgsRenderer::highlightLayers( QList<QgsWmsParametersHighlightLayer> params )
3162 QList<QgsMapLayer *> highlightLayers;
3165 QString
crs = mWmsParameters.
crs();
3166 for (
const QgsWmsParametersHighlightLayer ¶m : params )
3169 QDomDocument sldDoc;
3173 if ( !sldDoc.setContent( param.mSld,
true, &errorMsg, &errorLine, &errorColumn ) )
3180 std::unique_ptr<QgsFeatureRenderer> renderer;
3181 QDomElement el = sldDoc.documentElement();
3192 if ( !param.mLabel.isEmpty() )
3194 url +=
"&field=label:string";
3199 std::unique_ptr<QgsVectorLayer> layer = std::make_unique<QgsVectorLayer>( url, param.mName, QLatin1String(
"memory" ), options );
3200 if ( !layer->isValid() )
3207 if ( !param.mLabel.isEmpty() )
3209 fet.setAttribute( 0, param.mLabel );
3217 palSettings.
dist = param.mLabelDistance;
3226 switch ( param.mGeom.type() )
3239 QVariant x( pt.
x() );
3242 QVariant y( pt.
y() );
3259 QVariant x( pt.
x() );
3263 QVariant y( pt.
y() );
3267 QVariant hali(
"Center" );
3271 QVariant vali(
"Half" );
3286 if ( param.mColor.isValid() )
3288 textFormat.
setColor( param.mColor );
3291 if ( param.mSize > 0 )
3293 textFormat.
setSize( param.mSize );
3301 if ( !param.mFont.isEmpty() )
3303 textFormat.
setFont( param.mFont );
3306 if ( param.mBufferColor.isValid() )
3308 bufferSettings.
setColor( param.mBufferColor );
3311 if ( param.mBufferSize > 0 )
3314 bufferSettings.
setSize(
static_cast<double>( param.mBufferSize ) );
3321 layer->setLabeling( simpleLabeling );
3322 layer->setLabelsEnabled(
true );
3324 fet.setGeometry( param.mGeom );
3328 layer->setRenderer( renderer.release() );
3331 if ( layer->isValid() )
3333 highlightLayers.append( layer.release() );
3337 mTemporaryLayers.append( highlightLayers );
3338 return highlightLayers;
3341 void QgsRenderer::removeTemporaryLayers()
3343 qDeleteAll( mTemporaryLayers );
3344 mTemporaryLayers.clear();
3347 QPainter *QgsRenderer::layersRendering(
const QgsMapSettings &mapSettings, QImage &image )
const
3349 QPainter *painter =
nullptr;
3353#ifdef HAVE_SERVER_PYTHON_PLUGINS
3354 mContext.accessControl()->resolveFilterFeatures( mapSettings.
layers() );
3359 renderJob.render( mapSettings, &image, mContext.
socketFeedback() );
3360 painter = renderJob.takePainter();
3362 if ( !renderJob.errors().isEmpty() )
3366 QString layerWMSName;
3373 QString errorMessage = QStringLiteral(
"Rendering error : '%1'" ).arg( e.
message );
3374 if ( !layerWMSName.isEmpty() )
3376 errorMessage = QStringLiteral(
"Rendering error : '%1' in layer '%2'" ).arg( e.
message, layerWMSName );
3384 void QgsRenderer::setLayerOpacity(
QgsMapLayer *layer,
int opacity )
const
3386 if ( opacity >= 0 && opacity <= 255 )
3388 switch ( layer->
type() )
3407 rasterRenderer->
setOpacity( opacity / 255. );
3429 void QgsRenderer::setLayerFilter(
QgsMapLayer *layer,
const QList<QgsWmsParametersFilter> &filters )
3433 QgsVectorLayer *filteredLayer = qobject_cast<QgsVectorLayer *>( layer );
3434 QStringList expList;
3435 for (
const QgsWmsParametersFilter &filter : filters )
3440 QDomDocument filterXml;
3442 if ( !filterXml.setContent( filter.mFilter,
true, &errorMsg ) )
3446 QDomElement filterElem = filterXml.firstChildElement();
3451 expList << filterExp->dump();
3457 if ( !testFilterStringSafety( filter.mFilter ) )
3459 throw QgsSecurityException( QStringLiteral(
"The filter string %1"
3460 " has been rejected because of security reasons."
3461 " Note: Text strings have to be enclosed in single or double quotes."
3462 " A space between each word / special character is mandatory."
3463 " Allowed Keywords and special characters are"
3464 " IS,NOT,NULL,AND,OR,IN,=,<,>=,>,>=,!=,',',(,),DMETAPHONE,SOUNDEX%2."
3465 " Not allowed are semicolons in the filter expression." )
3467 filter.mFilter, mContext.
settings().
allowedExtraSqlTokens().isEmpty() ? QString() : mContext.settings().allowedExtraSqlTokens().join(
',' ).prepend(
',' )
3471 QString newSubsetString = filter.mFilter;
3474 newSubsetString.prepend(
") AND (" );
3475 newSubsetString.append(
")" );
3476 newSubsetString.prepend( filteredLayer->
subsetString() );
3477 newSubsetString.prepend(
"(" );
3487 expList.append( dimensionFilter( filteredLayer ) );
3491 if ( expList.size() == 1 )
3495 else if ( expList.size() > 1 )
3497 exp = QStringLiteral(
"( %1 )" ).arg( expList.join( QLatin1String(
" ) AND ( " ) ) );
3499 if ( !exp.isEmpty() )
3501 std::unique_ptr<QgsExpression> expression(
new QgsExpression( exp ) );
3504 mFeatureFilter.
setFilter( filteredLayer, *expression );
3510 QStringList QgsRenderer::dimensionFilter(
QgsVectorLayer *layer )
const
3512 QStringList expList;
3515 const QList<QgsMapLayerServerProperties::WmsDimensionInfo> wmsDims = serverProperties->
wmsDimensions();
3516 if ( wmsDims.isEmpty() )
3531 if ( fieldIndex == -1 )
3536 int endFieldIndex = -1;
3537 if ( !dim.endFieldName.isEmpty() )
3539 endFieldIndex = layer->
fields().
indexOf( dim.endFieldName );
3540 if ( endFieldIndex == -1 )
3546 if ( !dimParamValues.contains( dim.name.toUpper() ) )
3550 if ( dim.defaultDisplayType == QgsMapLayerServerProperties::WmsDimensionInfo::AllValues )
3554 else if ( dim.defaultDisplayType == QgsMapLayerServerProperties::WmsDimensionInfo::ReferenceValue )
3556 defValue = dim.referenceValue;
3561 QSet<QVariant> uniqueValues = layer->
uniqueValues( fieldIndex );
3562 if ( endFieldIndex != -1 )
3564 uniqueValues.unite( layer->
uniqueValues( endFieldIndex ) );
3567 QList<QVariant> values = qgis::setToList( uniqueValues );
3568 std::sort( values.begin(), values.end() );
3569 if ( dim.defaultDisplayType == QgsMapLayerServerProperties::WmsDimensionInfo::MinValue )
3571 defValue = values.first();
3573 else if ( dim.defaultDisplayType == QgsMapLayerServerProperties::WmsDimensionInfo::MaxValue )
3575 defValue = values.last();
3579 if ( endFieldIndex == -1 )
3585 QStringList expElems;
3590 expList << expElems.join(
' ' );
3598 QString dimParamValue = dimParamValues[dim.name.toUpper()];
3600 QStringList dimExplist;
3602 QStringList dimValues = dimParamValue.split(
',' );
3603 for (
int i = 0; i < dimValues.size(); ++i )
3605 QString dimValue = dimValues[i];
3607 if ( dimValue.size() > 1 )
3609 dimValue = dimValue.trimmed();
3612 if ( dimValue.contains(
'/' ) )
3614 QStringList rangeValues = dimValue.split(
'/' );
3616 if ( rangeValues.size() != 2 )
3621 QVariant rangeMin = QVariant( rangeValues[0] );
3622 QVariant rangeMax = QVariant( rangeValues[1] );
3633 QStringList expElems;
3634 if ( endFieldIndex == -1 )
3654 << QStringLiteral(
")" );
3656 dimExplist << expElems.join(
' ' );
3660 QVariant dimVariant = QVariant( dimValue );
3666 if ( endFieldIndex == -1 )
3675 QStringList expElems;
3680 dimExplist << expElems.join(
' ' );
3685 if ( dimExplist.size() == 1 )
3687 expList << dimExplist;
3689 else if ( dimExplist.size() > 1 )
3691 expList << QStringLiteral(
"( %1 )" ).arg( dimExplist.join( QLatin1String(
" ) OR ( " ) ) );
3698 void QgsRenderer::setLayerSelection(
QgsMapLayer *layer,
const QStringList &fids )
const
3708 if ( selectedIds.empty() )
3719 void QgsRenderer::setLayerAccessControlFilter(
QgsMapLayer *layer )
const
3721#ifdef HAVE_SERVER_PYTHON_PLUGINS
3739 void QgsRenderer::annotationsRendering( QPainter *painter,
const QgsMapSettings &mapSettings )
const
3742 const QList<QgsAnnotation *> annotations = annotationManager->
annotations();
3752 if ( !annotation || !annotation->isVisible() )
3758 if ( annotation->hasFixedMapPosition() )
3760 QgsPointXY mapPos = annotation->mapPosition();
3761 if ( mapSettings.
destinationCrs() != annotation->mapPositionCrs() )
3766 mapPos = coordTransform.transform( mapPos );
3774 offsetX = devicePos.
x();
3775 offsetY = devicePos.
y();
3779 const QPointF relativePos = annotation->relativePosition();
3780 offsetX = mapSettings.
outputSize().width() * relativePos.x();
3781 offsetY = mapSettings.
outputSize().height() * relativePos.y();
3785 painter->translate( offsetX, offsetY );
3786 annotation->render( renderContext );
3791 QImage *QgsRenderer::scaleImage(
const QImage *image )
const
3796 QImage *scaledImage =
nullptr;
3797 const int width = mWmsParameters.
widthAsInt();
3799 if ( width != image->width() || height != image->height() )
3801 scaledImage =
new QImage( image->scaled( width, height, Qt::IgnoreAspectRatio, Qt::SmoothTransformation ) );
3807 void QgsRenderer::handlePrintErrors(
const QgsLayout *layout )
const
3813 QList<QgsLayoutItemMap *> mapList;
3816 QList<QgsLayoutItemMap *>::const_iterator mapIt = mapList.constBegin();
3817 for ( ; mapIt != mapList.constEnd(); ++mapIt )
3819 if ( !( *mapIt )->renderingErrors().isEmpty() )
3831 for (
auto layer : layers )
3844 setLayerOpacity( layer, param.
mOpacity );
3851 setLayerSld( layer, mContext.
sld( *layer ) );
3855 setLayerStyle( layer, mContext.
style( *layer ) );
3860 setLayerOpacity( layer, param.
mOpacity );
3865 setLayerFilter( layer, param.
mFilter );
3870 setLayerAccessControlFilter( layer );
3875 setLayerSelection( layer, param.
mSelection );
3880 updateExtent( layer, *settings );
3890 void QgsRenderer::setLayerStyle(
QgsMapLayer *layer,
const QString &style )
const
3892 if ( style.isEmpty() )
3904 void QgsRenderer::setLayerSld(
QgsMapLayer *layer,
const QDomElement &sld )
const
3909 QString sldStyleName =
"__sld_style";
3910 while ( styles.contains( sldStyleName ) )
3912 sldStyleName.append(
'@' );
3925 if ( !mWmsParameters.
bbox().isEmpty() )
3929 std::unique_ptr<QImage> tmp( createImage( mContext.
mapSize(
false ) ) );
3930 configureMapSettings( tmp.get(), mapSettings );
The Qgis class provides global constants for use throughout the application.
static QString version()
Version string.
@ MapOrientation
Signifies that the AboveLine and BelowLine flags should respect the map's orientation rather than the...
@ AboveLine
Labels can be placed above a line feature. Unless MapOrientation is also specified this mode respects...
@ Millimeters
Millimeters.
LabelPlacement
Placement modes which determine how label candidates are generated for a feature.
@ AroundPoint
Arranges candidates in a circle around a point (or centroid of a polygon). Applies to point or polygo...
@ Line
Arranges candidates parallel to a generalised line representing the feature or parallel to a polygon'...
@ DragAndDrop
"Drag and drop" layout. Needs to be configured.
@ ExactIntersect
Use exact geometry intersection (slower) instead of bounding boxes.
@ NoGeometry
Geometry is not required. It may still be returned if e.g. required for a filter condition.
@ NoFlags
No flags are set.
@ Warning
Warning message.
@ Info
Information message.
QFlags< LabelLinePlacementFlag > LabelLinePlacementFlags
Line placement flags, which control how candidates are generated for a linear feature.
@ ShowRuleDetails
If set, the rule expression of a rule based renderer legend item will be added to the JSON.
@ IdentifyValue
Numerical values.
@ IdentifyFeature
WMS GML -> feature.
@ Group
Composite group layer. Added in QGIS 3.24.
@ Plugin
Plugin based layer.
@ TiledScene
Tiled scene layer. Added in QGIS 3.34.
@ Annotation
Contains freeform, georeferenced annotations. Added in QGIS 3.16.
@ VectorTile
Vector tile layer. Added in QGIS 3.14.
@ Mesh
Mesh layer. Added in QGIS 3.2.
@ PointCloud
Point cloud layer. Added in QGIS 3.18.
@ LosslessImageRendering
Render images losslessly whenever possible, instead of the default lossy jpeg rendering used for some...
@ Antialiasing
Use antialiasing while drawing.
@ HighQualityImageTransforms
Enable high quality image transformations, which results in better appearance of scaled or rotated ra...
@ RenderBlocking
Render and load remote sources in the same thread to ensure rendering remote sources (svg and images)...
QFlags< LegendJsonRenderFlag > LegendJsonRenderFlags
RasterIdentifyFormat
Raster identify formats.
@ Feature
WMS GML/JSON -> feature.
@ Value
Numerical pixel value.
@ HideFromWms
Field is not available if layer is served as WMS from QGIS server.
@ AllowOverlapIfRequired
Avoids overlapping labels when possible, but permit overlaps if labels for features cannot otherwise ...
@ Reverse
Reverse/inverse transform (from destination to source)
@ RenderMapTile
Draw map such that there are no problems between adjacent tiles.
@ RecordProfile
Enable run-time profiling while rendering.
@ UseRenderingOptimization
Enable vector simplification and other rendering optimizations.
@ RenderBlocking
Render and load remote sources in the same thread to ensure rendering remote sources (svg and images)...
Abstract base class for all geometries.
virtual QgsAbstractGeometry * segmentize(double tolerance=M_PI/180., SegmentationToleranceType toleranceType=MaximumAngle) const
Returns a version of the geometry without curves.
Qgis::WkbType wkbType() const
Returns the WKB type of the geometry.
Abstract base class - its implementations define different approaches to the labeling of a vector lay...
virtual void multiplyOpacity(double opacityFactor)
Multiply opacity by opacityFactor.
Manages storage of a set of QgsAnnotation annotation objects.
QList< QgsAnnotation * > annotations() const
Returns a list of all annotations contained in the manager.
Abstract base class for annotation items which are drawn over a map.
static QgsFieldFormatterRegistry * fieldFormatterRegistry()
Gets the registry of available field formatters.
This is a container for attribute editors, used to group them visually in the attribute form if it is...
QList< QgsAttributeEditorElement * > children() const
Gets a list of the children elements of this container.
This is an abstract base class for any elements of a drag and drop form.
QString name() const
Returns the name of this element.
This element will load a field's widget onto the form.
Exception thrown in case of malformed request.
This class represents a coordinate reference system (CRS).
static QgsCoordinateReferenceSystem fromOgcWmsCrs(const QString &ogcCrs)
Creates a CRS from a given OGC WMS-format Coordinate Reference System string.
bool isValid() const
Returns whether this CRS is correctly initialized and usable.
Qgis::DistanceUnit mapUnits
bool hasAxisInverted() const
Returns whether the axis order is inverted for the CRS compared to the order east/north (longitude/la...
Custom exception class for Coordinate Reference System related exceptions.
A server filter to apply a dimension filter to a request.
A general purpose distance and area calculator, capable of performing ellipsoid based calculations.
void setSourceCrs(const QgsCoordinateReferenceSystem &crs, const QgsCoordinateTransformContext &context)
Sets source spatial reference system crs.
bool setEllipsoid(const QString &ellipsoid)
Sets the ellipsoid by its acronym.
@ FlagHairlineWidthExport
@ FlagNoMText
Export text as TEXT elements. If not set, text will be exported as MTEXT elements.
Defines a QGIS exception class.
Single scope for storing variables and functions for use within a QgsExpressionContext.
void addVariable(const QgsExpressionContextScope::StaticVariable &variable)
Adds a variable into the context scope.
static QgsExpressionContextScope * projectScope(const QgsProject *project)
Creates a new scope which contains variables and functions relating to a QGIS project.
static QgsExpressionContextScope * mapSettingsScope(const QgsMapSettings &mapSettings)
Creates a new scope which contains variables and functions relating to a QgsMapSettings object.
static QgsExpressionContextScope * layerScope(const QgsMapLayer *layer)
Creates a new scope which contains variables and functions relating to a QgsMapLayer.
static QgsExpressionContextScope * globalScope()
Creates a new scope which contains variables and functions relating to the global QGIS context.
Expression contexts are used to encapsulate the parameters around which a QgsExpression should be eva...
void setFeature(const QgsFeature &feature)
Convenience function for setting a feature for the context.
Class for parsing and evaluation of expressions (formerly called "search strings").
bool prepare(const QgsExpressionContext *context)
Gets the expression ready for evaluation - find out column indexes.
QString expression() const
Returns the original, unmodified expression string.
static QString quotedValue(const QVariant &value)
Returns a string representation of a literal value, including appropriate quotations where required.
static QString replaceExpressionText(const QString &action, const QgsExpressionContext *context, const QgsDistanceArea *distanceArea=nullptr)
This function replaces each expression between [% and %] in the string with the result of its evaluat...
static QString createFieldEqualityExpression(const QString &fieldName, const QVariant &value, QMetaType::Type fieldType=QMetaType::Type::UnknownType)
Create an expression allowing to evaluate if a field is equal to a value.
static QString quotedColumnRef(QString name)
Returns a quoted column reference (in double quotes)
QVariant evaluate()
Evaluate the feature and return the result.
bool isValid() const
Checks if this expression is valid.
A filter filter provider grouping several filter providers.
QgsFeatureFilterProviderGroup & addProvider(const QgsFeatureFilterProvider *provider)
Add another filter provider to the group.
void setFilter(const QgsVectorLayer *layer, const QgsExpression &expression)
Set a filter for the given layer.
void filterFeatures(const QgsVectorLayer *layer, QgsFeatureRequest &filterFeatures) const override
Filter the features of the layer.
Wrapper for iterator of features from vector data provider or vector layer.
bool nextFeature(QgsFeature &f)
Fetch next feature and stores in f, returns true on success.
@ MoreSymbolsPerFeature
May use more than one symbol to render a feature: symbolsForFeature() will return them.
static QgsFeatureRenderer * loadSld(const QDomNode &node, Qgis::GeometryType geomType, QString &errorMessage)
Create a new renderer according to the information contained in the UserStyle element of a SLD style ...
virtual QgsFeatureRenderer * clone() const =0
Create a deep copy of this renderer.
This class wraps a request for features to a vector layer (or directly its vector data provider).
QgsFeatureRequest & setFlags(Qgis::FeatureRequestFlags flags)
Sets flags that affect how features will be fetched.
Qgis::FeatureRequestFlags flags() const
Returns the flags which affect how features are fetched.
QgsFeatureRequest & setSubsetOfAttributes(const QgsAttributeList &attrs)
Set a subset of attributes that will be fetched.
QgsExpression * filterExpression() const
Returns the filter expression (if set).
QgsFeatureRequest & setFilterExpression(const QString &expression)
Set the filter expression.
QgsCoordinateTransformContext transformContext() const
Returns the transform context, for use when a destinationCrs() has been set and reprojection is requi...
const QgsFeatureIds & filterFids() const
Returns the feature IDs that should be fetched.
QgsFeatureRequest & setFilterRect(const QgsRectangle &rectangle)
Sets the rectangle from which features will be taken.
A container for features with the same fields and crs.
The feature class encapsulates a single feature including its unique ID, geometry and a list of field...
Q_INVOKABLE bool setAttribute(int field, const QVariant &attr)
Sets an attribute's value by field index.
void initAttributes(int fieldCount)
Initialize this feature with the given number of fields.
void setFields(const QgsFields &fields, bool initAttributes=false)
Assigns a field map with the feature to allow attribute access by attribute name.
Q_INVOKABLE QVariant attribute(const QString &name) const
Lookup attribute value by attribute name.
void setGeometry(const QgsGeometry &geometry)
Set the feature's geometry.
bool isCanceled() const
Tells whether the operation has been canceled already.
Encapsulate a field in an attribute table or data source.
bool convertCompatible(QVariant &v, QString *errorMessage=nullptr) const
Converts the provided variant to a compatible format.
Qgis::FieldConfigurationFlags configurationFlags
Container of fields for a vector layer.
bool append(const QgsField &field, Qgis::FieldOrigin origin=Qgis::FieldOrigin::Provider, int originIndex=-1)
Appends a field.
Q_INVOKABLE int indexFromName(const QString &fieldName) const
Gets the field index from the field name.
Q_INVOKABLE int indexOf(const QString &fieldName) const
Gets the field index from the field name.
QgsField at(int i) const
Returns the field at particular index (must be in range 0..N-1).
A geometry is the spatial representation of a feature.
QgsGeometry pointOnSurface() const
Returns a point guaranteed to lie on the surface of a geometry.
Qgis::GeometryOperationResult transform(const QgsCoordinateTransform &ct, Qgis::TransformDirection direction=Qgis::TransformDirection::Forward, bool transformZ=false)
Transforms this geometry as described by the coordinate transform ct.
const QgsAbstractGeometry * constGet() const
Returns a non-modifiable (const) reference to the underlying abstract geometry primitive.
static Q_INVOKABLE QgsGeometry fromWkt(const QString &wkt)
Creates a new geometry from a WKT string.
QgsPointXY asPoint() const
Returns the contents of the geometry as a 2-dimensional point.
static QgsGeometry fromPointXY(const QgsPointXY &point)
Creates a new geometry from a QgsPointXY object.
void set(QgsAbstractGeometry *geometry)
Sets the underlying geometry store.
QgsRectangle boundingBox() const
Returns the bounding box of the geometry.
Q_INVOKABLE QString asWkt(int precision=17) const
Exports the geometry to WKT.
Handles exporting QgsFeature features to GeoJSON features.
static void addCrsInfo(json &value, const QgsCoordinateReferenceSystem &crs)
Add crs information entry in json object regarding old GeoJSON specification format if it differs fro...
void setPlacementFlags(Qgis::LabelLinePlacementFlags flags)
Returns the line placement flags, which dictate how line labels can be placed above or below the line...
void setOverlapHandling(Qgis::LabelOverlapHandling handling)
Sets the technique used to handle overlapping labels.
void setAllowDegradedPlacement(bool allow)
Sets whether labels can be placed in inferior fallback positions if they cannot otherwise be placed.
QStringList findLayerIds() const
Find layer IDs used in all layer nodes.
QgsLayerTreeLayer * findLayer(QgsMapLayer *layer) const
Find layer node representing the map layer.
void removeChildrenGroupWithoutLayers()
Remove all child group nodes without layers.
Layer tree node points to a map layer.
QgsMapLayer * layer() const
Returns the map layer associated with this node.
The QgsLegendRendererItem class is abstract interface for legend items returned from QgsMapLayerLegen...
virtual QVariant data(int role) const =0
Returns data associated with the item. Must be implemented in derived class.
@ RuleKey
Rule key of the node (QString)
virtual QJsonObject exportSymbolToJson(const QgsLegendSettings &settings, const QgsRenderContext &context) const
Adds a symbol in base64 string within a JSON object with the key "icon".
QgsLayerTreeLayer * layerNode() const
Returns pointer to the parent layer node.
virtual QSizeF drawSymbol(const QgsLegendSettings &settings, ItemContext *ctx, double itemHeight) const
Draws symbol on the left side of the item.
The QgsLayerTreeModel class is model implementation for Qt item views framework.
QgsLayerTree * rootGroup() const
Returns pointer to the root node of the layer tree. Always a non nullptr value.
QgsLayerTreeModelLegendNode * findLegendNode(const QString &layerId, const QString &ruleKey) const
Searches through the layer tree to find a legend node with a matching layer ID and rule key.
QgsLayerTreeNode * parent()
Gets pointer to the parent. If parent is nullptr, the node is a root node.
Namespace with helper functions for layer tree operations.
static QgsLayerTreeLayer * toLayer(QgsLayerTreeNode *node)
Cast node to a layer.
Class used to render QgsLayout as an atlas, by iterating over the features from an associated vector ...
bool beginRender() override
Called when rendering begins, before iteration commences.
bool setFilterExpression(const QString &expression, QString &errorString)
Sets the expression used for filtering features in the coverage layer.
bool first()
Seeks to the first feature, returning false if no feature was found.
QgsLayout * layout() override
Returns the layout associated with the iterator.
bool enabled() const
Returns whether the atlas generation is enabled.
int count() const override
Returns the number of features to iterate over.
void setFilterFeatures(bool filtered)
Sets whether features should be filtered in the coverage layer.
QgsVectorLayer * coverageLayer() const
Returns the coverage layer used for the atlas features.
int updateFeatures()
Requeries the current atlas coverage layer and applies filtering and sorting.
Handles rendering and exports of layouts to various formats.
ExportResult exportToSvg(const QString &filePath, const QgsLayoutExporter::SvgExportSettings &settings)
Exports the layout as an SVG to the filePath, using the specified export settings.
ExportResult exportToImage(const QString &filePath, const QgsLayoutExporter::ImageExportSettings &settings)
Exports the layout to the filePath, using the specified export settings.
ExportResult exportToPdf(const QString &filePath, const QgsLayoutExporter::PdfExportSettings &settings)
Exports the layout as a PDF to the filePath, using the specified export settings.
Base class for frame items, which form a layout multiframe item.
A layout multiframe subclass for HTML content.
@ ManualHtml
HTML content is manually set for the item.
@ Url
Using this mode item fetches its content via a url.
A layout item subclass for text labels.
A layout item subclass for map legends.
Layout graphical items for displaying a map.
double scale() const
Returns the map scale.
QList< QgsMapLayer * > layers() const
Returns the stored layer set.
QString id() const
Returns the item's ID name.
Manages storage of a set of layouts.
QgsMasterLayoutInterface * layoutByName(const QString &name) const
Returns the layout with a matching name, or nullptr if no matching layouts were found.
This class provides a method of storing measurements for use in QGIS layouts using a variety of diffe...
double length() const
Returns the length of the measurement.
int pageCount() const
Returns the number of pages in the collection.
Stores information relating to the current rendering settings for a layout.
void setFeatureFilterProvider(QgsFeatureFilterProvider *featureFilterProvider)
Sets feature filter provider to featureFilterProvider.
@ FlagDrawSelection
Draw selection.
@ FlagLosslessImageRendering
Render images losslessly whenever possible, instead of the default lossy jpeg rendering used for some...
@ FlagDisableTiledRasterLayerRenders
If set, then raster layers will not be drawn as separate tiles. This may improve the appearance in ex...
This class provides a method of storing sizes, consisting of a width and height, for use in QGIS layo...
double height() const
Returns the height of the size.
double width() const
Returns the width of the size.
static QVector< double > predefinedScales(const QgsLayout *layout)
Returns a list of predefined scales associated with a layout.
Base class for layouts, which can contain items such as maps, labels, scalebars, etc.
QgsLayoutPageCollection * pageCollection()
Returns a pointer to the layout's page collection, which stores and manages page items in the layout.
void layoutItems(QList< T * > &itemList) const
Returns a list of layout items of a specific type.
Item model implementation based on layer tree model for layout legend.
Handles automatic layout and rendering of legends.
QSizeF minimumSize(QgsRenderContext *renderContext=nullptr)
Runs the layout algorithm and returns the minimum size required for the legend.
QJsonObject exportLegendToJson(const QgsRenderContext &context)
Renders the legend in a json object.
Q_DECL_DEPRECATED void drawLegend(QPainter *painter)
Draws the legend with given painter.
The QgsLegendSettings class stores the appearance and layout settings for legend drawing with QgsLege...
Q_DECL_DEPRECATED void setMapScale(double scale)
Sets the legend map scale.
Q_DECL_DEPRECATED void setMapUnitsPerPixel(double mapUnitsPerPixel)
Sets the mmPerMapUnit calculated by mapUnitsPerPixel mostly taken from the map settings.
void setJsonRenderFlags(const Qgis::LegendJsonRenderFlags &jsonRenderFlags)
Sets the the JSON export flags to jsonRenderFlags.
void setWmsLegendSize(QSizeF s)
Sets the desired size (in millimeters) of WMS legend graphics shown in the legend.
Manages QGIS Server properties for a map layer.
QStringList styles() const
Returns list of all defined style names.
bool setCurrentStyle(const QString &name)
Set a different style as the current style - will apply it to the layer.
bool addStyleFromLayer(const QString &name)
Add style by cloning the current one.
Base class for all map layer types.
bool isInScaleRange(double scale) const
Tests whether the layer should be visible at the specified scale.
virtual QgsRectangle extent() const
Returns the extent of the layer.
Q_INVOKABLE QVariant customProperty(const QString &value, const QVariant &defaultValue=QVariant()) const
Read a custom property from layer.
QgsCoordinateReferenceSystem crs
QgsMapLayerServerProperties * serverProperties()
Returns QGIS Server Properties for the map layer.
virtual void setOpacity(double opacity)
Sets the opacity for the layer, where opacity is a value between 0 (totally transparent) and 1....
Q_INVOKABLE void setCustomProperty(const QString &key, const QVariant &value)
Set a custom property for layer.
bool hasScaleBasedVisibility() const
Returns whether scale based visibility is enabled for the layer.
@ Identifiable
If the layer is identifiable using the identify map tool and as a WMS layer.
virtual bool readSld(const QDomNode &node, QString &errorMessage)
QgsMapLayerStyleManager * styleManager() const
Gets access to the layer's style manager.
virtual Q_INVOKABLE QgsDataProvider * dataProvider()
Returns the layer's data provider, it may be nullptr.
The QgsMapSettings class contains configuration for rendering of the map.
QgsPointXY layerToMapCoordinates(const QgsMapLayer *layer, QgsPointXY point) const
transform point coordinates from layer's CRS to output CRS
QList< QgsMapLayer * > layers(bool expandGroupLayers=false) const
Returns the list of layers which will be rendered in the map.
void setSelectionColor(const QColor &color)
Sets the color that is used for drawing of selected vector features.
void setLayers(const QList< QgsMapLayer * > &layers)
Sets the list of layers to render in the map.
double scale() const
Returns the calculated map scale.
QgsCoordinateTransform layerTransform(const QgsMapLayer *layer) const
Returns the coordinate transform from layer's CRS to destination CRS.
QgsRectangle layerExtentToOutputExtent(const QgsMapLayer *layer, QgsRectangle extent) const
transform bounding box from layer's CRS to output CRS
void setDpiTarget(double dpi)
Sets the target dpi (dots per inch) to be taken into consideration when rendering.
void setOutputDpi(double dpi)
Sets the dpi (dots per inch) used for conversion between real world units (e.g.
const QgsMapToPixel & mapToPixel() const
double mapUnitsPerPixel() const
Returns the distance in geographical coordinates that equals to one pixel in the map.
QSize outputSize() const
Returns the size of the resulting map image, in pixels.
QgsRectangle extent() const
Returns geographical coordinates of the rectangle that should be rendered.
void setExtent(const QgsRectangle &rect, bool magnified=true)
Sets the coordinates of the rectangle which should be rendered.
void setExpressionContext(const QgsExpressionContext &context)
Sets the expression context.
QColor selectionColor() const
Returns the color that is used for drawing of selected vector features.
void setExtentBuffer(double buffer)
Sets the buffer in map units to use around the visible extent for rendering symbols whose correspondi...
void setLabelingEngineSettings(const QgsLabelingEngineSettings &settings)
Sets the global configuration of the labeling engine.
void setOutputSize(QSize size)
Sets the size of the resulting map image, in pixels.
QgsPointXY mapToLayerCoordinates(const QgsMapLayer *layer, QgsPointXY point) const
transform point coordinates from output CRS to layer's CRS
void setBackgroundColor(const QColor &color)
Sets the background color of the map.
QgsCoordinateReferenceSystem destinationCrs() const
Returns the destination coordinate reference system for the map render.
void setFlag(Qgis::MapSettingsFlag flag, bool on=true)
Enable or disable a particular flag (other flags are not affected)
void setDestinationCrs(const QgsCoordinateReferenceSystem &crs)
Sets the destination crs (coordinate reference system) for the map render.
QgsCoordinateTransformContext transformContext() const
Returns the coordinate transform context, which stores various information regarding which datum tran...
QList< QgsMapThemeCollection::MapThemeLayerRecord > layerRecords() const
Returns a list of records for all visible layer belonging to the theme.
QgsMapThemeCollection::MapThemeRecord mapThemeState(const QString &name) const
Returns the recorded state of a map theme.
Perform transforms between map coordinates and device coordinates.
double mapUnitsPerPixel() const
Returns the current map units per pixel.
QgsPointXY transform(const QgsPointXY &p) const
Transforms a point p from map (world) coordinates to device coordinates.
static void logMessage(const QString &message, const QString &tag=QString(), Qgis::MessageLevel level=Qgis::MessageLevel::Warning, bool notifyUser=true)
Adds a message to the log instance (and creates it if necessary).
static void applyAccessControlLayerFilters(const QgsAccessControl *accessControl, QgsMapLayer *mapLayer, QHash< QgsMapLayer *, QString > &originalLayerFilters)
Apply filter from AccessControl.
static QDomElement geometryToGML(const QgsGeometry &geometry, QDomDocument &doc, QgsOgcUtils::GMLVersion gmlVersion, const QString &srsName, bool invertAxisOrientation, const QString &gmlIdBase, int precision=17)
Exports the geometry to GML.
static QDomElement rectangleToGMLEnvelope(QgsRectangle *env, QDomDocument &doc, int precision=17)
Exports the rectangle to GML3 Envelope.
static QgsExpression * expressionFromOgcFilter(const QDomElement &element, QgsVectorLayer *layer=nullptr)
Parse XML with OGC filter into QGIS expression.
static QDomElement rectangleToGMLBox(QgsRectangle *box, QDomDocument &doc, int precision=17)
Exports the rectangle to GML2 Box.
Contains settings for how a map layer will be labeled.
const QgsLabelPlacementSettings & placementSettings() const
Returns the label placement settings.
void setFormat(const QgsTextFormat &format)
Sets the label text formatting settings, e.g., font settings, buffer settings, etc.
Qgis::LabelPlacement placement
Label placement mode.
QgsPropertyCollection & dataDefinedProperties()
Returns a reference to the label's property collection, used for data defined overrides.
int priority
Label priority.
const QgsLabelLineSettings & lineSettings() const
Returns the label line settings, which contain settings related to how the label engine places and fo...
double dist
Distance from feature to the label.
Property
Data definable properties.
@ PositionX
X-coordinate data defined label position.
@ LabelRotation
Label rotation.
@ PositionY
Y-coordinate data defined label position.
@ Vali
Vertical alignment for data defined label position (Bottom, Base, Half, Cap, Top)
@ Hali
Horizontal alignment for data defined label position (Left, Center, Right)
QString fieldName
Name of field (or an expression) to use for label text.
A class to represent a 2D point.
void setY(double y)
Sets the y value of the point.
void setX(double x)
Sets the x value of the point.
Print layout, a QgsLayout subclass for static or atlas-based layouts.
QgsPrintLayout * clone() const override
Creates a clone of the layout.
A class to describe the version of a project.
static QgsProject * instance()
Returns the QgsProject singleton instance.
Q_INVOKABLE QgsMapLayer * mapLayer(const QString &layerId) const
Retrieve a pointer to a registered layer by layer ID.
QgsExpressionContext createExpressionContext() const override
This method needs to be reimplemented in all classes which implement this interface and return an exp...
QgsMapThemeCollection * mapThemeCollection
QgsAnnotationManager * annotationManager()
Returns pointer to the project's annotation manager.
QgsProjectMetadata metadata
QgsCoordinateTransformContext transformContext
const QgsLayoutManager * layoutManager() const
Returns the project's layout manager, which manages print layouts, atlases and reports within the pro...
const QgsLabelingEngineSettings & labelingEngineSettings() const
Returns project's global labeling engine settings.
QMap< QString, QgsMapLayer * > mapLayers(const bool validOnly=false) const
Returns a map of all registered layers by layer ID.
void setProperty(int key, const QgsProperty &property)
Adds a property to the collection and takes ownership of it.
virtual QgsRasterIdentifyResult identify(const QgsPointXY &point, Qgis::RasterIdentifyFormat format, const QgsRectangle &boundingBox=QgsRectangle(), int width=0, int height=0, int dpi=96)
Identify raster value(s) found on the point position.
Raster identify results container.
bool isValid() const
Returns true if valid.
QMap< int, QVariant > results() const
Returns the identify results.
virtual Qgis::RasterInterfaceCapabilities capabilities() const
Returns the capabilities supported by the interface.
Represents a raster layer.
QgsRasterRenderer * renderer() const
Returns the raster's renderer.
QString bandName(int bandNoInt) const
Returns the name of a band given its number.
QgsRasterDataProvider * dataProvider() override
Returns the source data provider.
Raster renderer pipe that applies colors to a raster.
void setOpacity(double opacity)
Sets the opacity for the renderer, where opacity is a value between 0 (totally transparent) and 1....
A rectangle specified with double values.
bool contains(const QgsRectangle &rect) const
Returns true when rectangle contains other rectangle.
void combineExtentWith(const QgsRectangle &rect)
Expands the rectangle so that it covers both the original rectangle and the given rectangle.
void invert()
Swap x/y coordinates in the rectangle.
Contains information about the context of a rendering operation.
double scaleFactor() const
Returns the scaling factor for the render to convert painter units to physical sizes.
void setCoordinateTransform(const QgsCoordinateTransform &t)
Sets the current coordinate transform for the context.
void setDistanceArea(const QgsDistanceArea &distanceArea)
A general purpose distance and area calculator, capable of performing ellipsoid based calculations.
void setScaleFactor(double factor)
Sets the scaling factor for the render to convert painter units to physical sizes.
QgsExpressionContext & expressionContext()
Gets the expression context.
const QgsRectangle & extent() const
When rendering a map layer, calling this method returns the "clipping" extent for the layer (in the l...
void setFeedback(QgsFeedback *feedback)
Attach a feedback object that can be queried regularly during rendering to check if rendering should ...
void setFlag(Qgis::RenderContextFlag flag, bool on=true)
Enable or disable a particular flag (other flags are not affected)
const QgsMapToPixel & mapToPixel() const
Returns the context's map to pixel transform, which transforms between map coordinates and device coo...
void setExtent(const QgsRectangle &extent)
When rendering a map layer, calling this method sets the "clipping" extent for the layer (in the laye...
void setMapToPixel(const QgsMapToPixel &mtp)
Sets the context's map to pixel transform, which transforms between map coordinates and device coordi...
void setPainter(QPainter *p)
Sets the destination QPainter for the render operation.
static QgsRenderContext fromMapSettings(const QgsMapSettings &mapSettings)
create initialized QgsRenderContext instance from given QgsMapSettings
static QgsRenderContext fromQPainter(QPainter *painter)
Creates a default render context given a pixel based QPainter destination.
Calculates scale for a given combination of canvas size, map extent, and monitor dpi.
double calculate(const QgsRectangle &mapExtent, double canvasWidth) const
Calculate the scale denominator.
Scoped object for temporary scaling of a QgsRenderContext for millimeter based rendering.
Bad request error API exception.
static QgsDateTimeRange parseTemporalDateTimeInterval(const QString &interval)
Parses a datetime interval and returns a QgsDateTimeRange.
Exception base class for server exceptions.
int maxThreads() const
Returns the maximum number of threads to use.
bool logProfile() const
Returns true if profile information has to be added to the logs, default value is false.
QStringList allowedExtraSqlTokens() const
Returns the list of strings that represent the allowed extra SQL tokens accepted as components of a f...
bool parallelRendering() const
Returns parallel rendering setting.
const QList< QgsServerWmsDimensionProperties::WmsDimensionInfo > wmsDimensions() const
Returns the QGIS Server WMS Dimension list.
Contains utility functions for working with symbols and symbol layers.
static QString symbolProperties(QgsSymbol *symbol)
Returns a string representing the symbol.
Abstract base class for all rendered symbols.
@ Hidden
Hide task from GUI.
bool isActive() const
Returns true if the temporal property is active.
void setIsActive(bool active)
Sets whether the temporal property is active.
void setIsTemporal(bool enabled)
Sets whether the temporal range is enabled (i.e.
void setTemporalRange(const QgsDateTimeRange &range)
Sets the temporal range for the object.
Container for settings relating to a text buffer.
void setColor(const QColor &color)
Sets the color for the buffer.
void setEnabled(bool enabled)
Sets whether the text buffer will be drawn.
void setSize(double size)
Sets the size of the buffer.
Container for all settings relating to text rendering.
void setColor(const QColor &color)
Sets the color that text will be rendered in.
void setSize(double size)
Sets the size for rendered text.
void setFont(const QFont &font)
Sets the font used for rendering text.
void setBuffer(const QgsTextBufferSettings &bufferSettings)
Sets the text's buffer settings.
static bool isNull(const QVariant &variant, bool silenceNullWarnings=false)
Returns true if the specified variant should be considered a NULL value.
This is the base class for vector data providers.
virtual QgsAttributeList pkAttributeIndexes() const
Returns list of indexes of fields that make up the primary key.
Basic implementation of the labeling interface.
Represents a vector layer which manages a vector based data sets.
QString attributeDisplayName(int index) const
Convenience function that returns the attribute alias if defined or the field name else.
bool labelsEnabled() const
Returns whether the layer contains labels which are enabled and should be drawn.
QgsMapLayerTemporalProperties * temporalProperties() override
Returns the layer's temporal properties.
void updateFields()
Will regenerate the fields property of this layer by obtaining all fields from the dataProvider,...
QgsFeatureIterator getFeatures(const QgsFeatureRequest &request=QgsFeatureRequest()) const FINAL
Queries the layer for features specified in request.
Q_INVOKABLE void selectByExpression(const QString &expression, Qgis::SelectBehavior behavior=Qgis::SelectBehavior::SetSelection, QgsExpressionContext *context=nullptr)
Selects matching features using an expression.
const QgsAbstractVectorLayerLabeling * labeling() const
Access to const labeling configuration.
Q_INVOKABLE Qgis::WkbType wkbType() const FINAL
Returns the WKBType or WKBUnknown in case of error.
QgsFeatureRenderer * renderer()
Returns the feature renderer used for rendering the features in the layer in 2D map views.
QString displayExpression
QgsVectorDataProvider * dataProvider() FINAL
Returns the layer's data provider, it may be nullptr.
QgsEditorWidgetSetup editorWidgetSetup(int index) const
Returns the editor widget setup for the field at the specified index.
Q_INVOKABLE void selectByIds(const QgsFeatureIds &ids, Qgis::SelectBehavior behavior=Qgis::SelectBehavior::SetSelection)
Selects matching features using a list of feature IDs.
Q_INVOKABLE Qgis::GeometryType geometryType() const
Returns point, line or polygon.
virtual bool setSubsetString(const QString &subset)
Sets the string (typically sql) used to define a subset of the layer.
QgsAttributeList primaryKeyAttributes() const
Returns the list of attributes which make up the layer's primary keys.
QgsEditFormConfig editFormConfig
Q_INVOKABLE QgsFeature getFeature(QgsFeatureId fid) const
Queries the layer for the feature with the given id.
QSet< QVariant > uniqueValues(int fieldIndex, int limit=-1) const FINAL
Calculates a list of unique values contained within an attribute in the layer.
Implements a map layer that is dedicated to rendering of vector tiles.
static QString displayString(Qgis::WkbType type)
Returns a non-translated display string type for a WKB type, e.g., the geometry name used in WKT geom...
static bool isCurvedType(Qgis::WkbType type)
Returns true if the WKB type is a curved type or can contain curved geometries.
static Qgis::WkbType flatType(Qgis::WkbType type)
Returns the flat type for a WKB type.
Implementation of legend node interface for displaying WMS legend entries.
Exception thrown in case of malformed request.
QgsRenderer(const QgsWmsRenderContext &context)
Constructor for QgsRenderer.
QHash< QgsVectorLayer *, SymbolSet > HitTest
QByteArray getPrint()
Returns printed page as binary.
HitTest symbols()
Returns the hit test according to the current context.
std::unique_ptr< QgsDxfExport > getDxf()
Returns the map as DXF data.
QSet< QString > SymbolSet
void configureLayers(QList< QgsMapLayer * > &layers, QgsMapSettings *settings=nullptr)
Configures layers for rendering optionally considering the map settings.
std::unique_ptr< QgsMapRendererTask > getPdf(const QString &tmpFileName)
Returns a configured pdf export task.
QByteArray getFeatureInfo(const QString &version="1.3.0")
Creates an xml document that describes the result of the getFeatureInfo request.
QImage * getLegendGraphics(QgsLayerTreeModel &model)
Returns the map legend as an image (or nullptr in case of error).
QJsonObject getLegendGraphicsAsJson(QgsLayerTreeModel &model, const Qgis::LegendJsonRenderFlags &jsonRenderFlags=Qgis::LegendJsonRenderFlags())
Returns the map legend as a JSON object.
QImage * getMap()
Returns the map as an image (or nullptr in case of error).
Exception class for WMS service exceptions.
ExceptionCode
Exception codes as defined in OGC scpecifications for WMS 1.1.1 and WMS 1.3.0.
@ QGIS_InvalidParameterValue
@ QGIS_MissingParameterValue
WMS parameter received from the client.
bool htmlInfoOnlyMapTip() const
Returns true if only maptip information is requested for HTML feature info response.
double dxfScale() const
Returns the DXF SCALE parameter.
bool transparentAsBool() const
Returns TRANSPARENT parameter as a bool or its default value if not defined.
QString x() const
Returns X parameter or an empty string if not defined.
QString formatAsString() const
Returns FORMAT parameter as a string.
QgsProjectVersion versionAsNumber() const
Returns VERSION parameter if defined or its default value.
QgsWmsParametersComposerMap composerMapParameters(int mapId) const
Returns the requested parameters for a composer map parameter.
QgsRectangle bboxAsRectangle() const
Returns BBOX as a rectangle if defined and valid.
bool withGeometry() const
Returns if the client wants the feature info response with geometry information.
DxfFormatOption
Options for DXF format.
QString pointTolerance() const
Returns FI_POINT_TOLERANCE parameter or an empty string if not defined.
QString filterGeom() const
Returns the filter geometry found in FILTER_GEOM parameter.
QString composerTemplate() const
Returns TEMPLATE parameter or an empty string if not defined.
Format infoFormat() const
Returns infoFormat.
QString y() const
Returns Y parameter or an empty string if not defined.
double dpiAsDouble() const
Returns DPI parameter as an int or its default value if not defined.
void dump() const
Dumps parameters.
int pointToleranceAsInt() const
Returns FI_POINT_TOLERANCE parameter as an integer.
bool withMapTip() const
withMapTip
QString polygonTolerance() const
Returns FI_POLYGON_TOLERANCE parameter or an empty string if not defined.
QString i() const
Returns I parameter or an empty string if not defined.
bool pdfLosslessImageCompression() const
Returns true if images embedded in pdf must be compressed using a lossless algorithm.
int lineToleranceAsInt() const
Returns FI_LINE_TOLERANCE parameter as an integer.
QString lineTolerance() const
Returns FI_LINE_TOLERANCE parameter or an empty string if not defined.
QStringList pdfExportMapThemes() const
Returns map themes for geospatial PDF export.
bool pdfUseOgcBestPracticeFormatGeoreferencing() const
Returns true if OGC best practice georeferencing shall be used.
bool pdfExportMetadata() const
Returns true if metadata shall be added to the pdf.
QString j() const
Returns J parameter or an empty string if not defined.
int xAsInt() const
Returns X parameter as an int or its default value if not defined.
QString bbox() const
Returns BBOX if defined or an empty string.
int heightAsInt() const
Returns HEIGHT parameter as an int or its default value if not defined.
QColor backgroundColorAsColor() const
Returns BGCOLOR parameter as a QColor or its default value if not defined.
Format format() const
Returns format.
QStringList atlasPk() const
Returns the ATLAS_PK parameter.
QList< QgsWmsParametersHighlightLayer > highlightLayersParameters() const
Returns parameters for each highlight layer.
int iAsInt() const
Returns I parameter as an int or its default value if not defined.
bool pdfAppendGeoreference() const
Returns true if georeference info shall be added to the pdf.
int polygonToleranceAsInt() const
Returns FI_POLYGON_TOLERANCE parameter as an integer.
int widthAsInt() const
Returns WIDTH parameter as an int or its default value if not defined.
QString sldBody() const
Returns SLD_body if defined or an empty string.
bool pdfDisableTiledRasterRendering() const
Returns true if rasters shall be untiled in the pdf.
QString layoutParameter(const QString &id, bool &ok) const
Returns a layout parameter thanks to its id.
bool dxfUseLayerTitleAsName() const
Returns the DXF USE_TITLE_AS_LAYERNAME parameter.
bool pdfForceVectorOutput() const
Returns if pdf should be exported as vector.
bool writeGeospatialPdf() const
Returns if a geospatial PDF shall be exported.
bool pdfUseIso32000ExtensionFormatGeoreferencing() const
Returns true, if Iso32000 georeferencing shall be used.
QMap< QString, QString > dimensionValues() const
Returns the dimensions parameter.
bool withDisplayName() const
withDisplayName
int infoFormatVersion() const
Returns the infoFormat version for GML.
QgsLegendSettings legendSettings() const
Returns legend settings.
Qgis::TextRenderFormat pdfTextRenderFormat() const
Returns text render format for pdf export.
QStringList dxfLayerAttributes() const
Returns the DXF LAYERATTRIBUTES parameter.
Qgis::FeatureSymbologyExport dxfMode() const
Returns the DXF MODE parameter.
QString height() const
Returns HEIGHT parameter or an empty string if not defined.
QString crs() const
Returns CRS or an empty string if none is defined.
bool exportLinesWithZeroWidth() const
int featureCountAsInt() const
Returns FEATURE_COUNT as an integer.
int yAsInt() const
Returns Y parameter as an int or its default value if not defined.
QMap< T, QString > formatOptions() const
Returns the format options for an output format.
Format
Output format for the response.
QString width() const
Returns WIDTH parameter or an empty string if not defined.
QStringList filters() const
Returns the list of filters found in FILTER parameter.
QString dpi() const
Returns DPI parameter or an empty string if not defined.
int jAsInt() const
Returns J parameter as an int or its default value if not defined.
QVector< qreal > pdfPredefinedMapScales() const
Returns list of map scales.
bool pdfSimplifyGeometries() const
Returns if geometries shall to be simplified.
QStringList queryLayersNickname() const
Returns nickname of layers found in QUERY_LAYERS parameter.
Rendering context for the WMS renderer.
QSize mapSize(bool aspectRatio=true) const
Returns the size (in pixels) of the map to render, according to width and height WMS parameters as we...
bool isExternalLayer(const QString &name) const
Returns true if the layer is an external layer, false otherwise.
bool isValidGroup(const QString &name) const
Returns true if name is a group.
QStringList flattenedQueryLayers(const QStringList &layerNames) const
Returns a list of query layer names where group names are replaced by the names of their layer compon...
QgsFeedback * socketFeedback() const
Returns the response feedback if any.
QList< QgsMapLayer * > layersToRender() const
Returns a list of all layers to actually render according to the current configuration.
QgsMapLayer * layer(const QString &nickname) const
Returns the layer corresponding to the nickname, or a nullptr if not found or if the layer do not nee...
bool updateExtent() const
Returns true if the extent has to be updated before the rendering, false otherwise.
const QgsServerSettings & settings() const
Returns settings of the server.
bool isValidWidthHeight() const
Returns true if width and height are valid according to the maximum values defined within the project...
QList< QgsMapLayer * > layersFromGroup(const QString &nickname) const
Returns the group's layers list corresponding to the nickname, or an empty list if not found.
QgsWmsParameters parameters() const
Returns WMS parameters.
void setScaleDenominator(double scaleDenominator)
Sets a custom scale denominator.
QString style(const QgsMapLayer &layer) const
Returns a style's name for a specific layer.
QMap< QString, QList< QgsMapLayer * > > layerGroups() const
Returns a map having layer group names as keys and a list of layers as values.
double mapTileBuffer(int mapWidth) const
Returns the tile buffer in geographical units for the given map width in pixels.
QString layerNickname(const QgsMapLayer &layer) const
Returns the nickname (short name, id or name) of the layer according to the current configuration.
qreal dotsPerMm() const
Returns default dots per mm according to the current configuration.
bool testFlag(Flag flag) const
Returns the status of a rendering flag.
QDomElement sld(const QgsMapLayer &layer) const
Returns a SLD document for a specific layer.
bool isValidLayer(const QString &nickname) const
Returns true if the layer has to be rendered, false otherwise.
const QgsProject * project() const
Returns the project.
int precision() const
Returns the precision to use according to the current configuration.
bool renderMapTiles() const
Returns true if WMS requests should use the QgsMapSettings::RenderMapTile flag, so that no visible ar...
RAII class to restore the rendering context configuration on destruction.
SERVER_EXPORT QString getExpressionFromServerFid(const QString &serverFid, const QgsVectorDataProvider *provider)
Returns the expression feature id based on primary keys.
SERVER_EXPORT QgsFeatureRequest updateFeatureRequestFromServerFids(QgsFeatureRequest &featureRequest, const QStringList &serverFids, const QgsVectorDataProvider *provider)
Returns the feature request based on feature ids build with primary keys.
SERVER_EXPORT QString getServerFid(const QgsFeature &feature, const QgsAttributeList &pkAttributes)
Returns the feature id based on primary keys.
SERVER_EXPORT QString wmsFeatureInfoSchema(const QgsProject &project)
Returns the schema URL for XML GetFeatureInfo request.
SERVER_EXPORT bool wmsInfoFormatSia2045(const QgsProject &project)
Returns if the info format is SIA20145.
SERVER_EXPORT QString wmsFeatureInfoDocumentElementNs(const QgsProject &project)
Returns the document element namespace for XML GetFeatureInfo request.
SERVER_EXPORT QStringList wmsRestrictedComposers(const QgsProject &project)
Returns the restricted composer list.
SERVER_EXPORT bool wmsFeatureInfoSegmentizeWktGeometry(const QgsProject &project)
Returns if the geometry has to be segmentize in GetFeatureInfo request.
SERVER_EXPORT bool wmsFeatureInfoUseAttributeFormSettings(const QgsProject &project)
Returns if feature form settings should be considered for the format of the feature info response.
SERVER_EXPORT QHash< QString, QString > wmsFeatureInfoLayerAliasMap(const QgsProject &project)
Returns the mapping between layer name and wms layer name for GetFeatureInfo request.
SERVER_EXPORT bool wmsFeatureInfoAddWktGeometry(const QgsProject &project)
Returns if the geometry is displayed as Well Known Text in GetFeatureInfo request.
SERVER_EXPORT double wmsDefaultMapUnitsPerMm(const QgsProject &project)
Returns the default number of map units per millimeters in case of the scale is not given.
SERVER_EXPORT QString wmsFeatureInfoDocumentElement(const QgsProject &project)
Returns the document element name for XML GetFeatureInfo request.
SERVER_EXPORT int wmsMaxAtlasFeatures(const QgsProject &project)
Returns the maximum number of atlas features which can be printed in a request.
Median cut implementation.
QgsLayerTreeModelLegendNode * legendNode(const QString &rule, QgsLayerTreeModel &model)
As part of the API refactoring and improvements which landed in the Processing API was substantially reworked from the x version This was done in order to allow much of the underlying Processing framework to be ported into c
CONSTLATIN1STRING geoNone()
Constant that holds the string representation for "No ellips/No CRS".
#define Q_NOWARN_DEPRECATED_POP
QString qgsDoubleToString(double a, int precision=17)
Returns a string representation of a double.
#define Q_NOWARN_DEPRECATED_PUSH
bool qgsDoubleNear(double a, double b, double epsilon=4 *std::numeric_limits< double >::epsilon())
Compare two doubles (but allow some difference)
QList< QgsFeature > QgsFeatureList
QSet< QgsFeatureId > QgsFeatureIds
#define FID_TO_STRING(fid)
QVector< QgsFeatureStore > QgsFeatureStoreList
QList< int > QgsAttributeList
#define QgsDebugMsgLevel(str, level)
QgsTemporalRange< QDateTime > QgsDateTimeRange
QgsRange which stores a range of date times.
const QgsCoordinateReferenceSystem & outputCrs
const QgsCoordinateReferenceSystem & crs
QgsAbstractMetadataBase::KeywordMap keywords
Metadata keyword map.
QString creator
Metadata creator tag.
bool useOgcBestPracticeFormatGeoreferencing
true if OGC "best practice" format georeferencing should be used.
QString author
Metadata author tag.
QString subject
Metadata subject tag.
QString title
Metadata title tag.
QDateTime creationDateTime
Metadata creation datetime.
QString producer
Metadata producer tag.
bool useIso32000ExtensionFormatGeoreferencing
true if ISO32000 extension format georeferencing should be used.
Layers and optional attribute index to split into multiple layers using attribute value as layer name...
Single variable definition for use within a QgsExpressionContextScope.
QPainter * painter
Painter.
Q_NOWARN_DEPRECATED_POP QgsRenderContext * context
Render context, if available.
Contains settings relating to exporting layouts to raster images.
QList< int > pages
List of specific pages to export, or an empty list to export all pages.
QSize imageSize
Manual size in pixels for output image.
QgsLayoutRenderContext::Flags flags
Layout context flags, which control how the export will be created.
double dpi
Resolution to export layout at. If dpi <= 0 the default layout dpi will be used.
QVector< qreal > predefinedMapScales
A list of predefined scales to use with the layout.
Contains settings relating to exporting layouts to PDF.
bool useIso32000ExtensionFormatGeoreferencing
true if ISO3200 extension format georeferencing should be used.
bool forceVectorOutput
Set to true to force vector object exports, even when the resultant appearance will differ from the l...
bool rasterizeWholeImage
Set to true to force whole layout to be rasterized while exporting.
QStringList exportThemes
Optional list of map themes to export as Geospatial PDF layer groups.
bool appendGeoreference
Indicates whether PDF export should append georeference data.
QgsLayoutRenderContext::Flags flags
Layout context flags, which control how the export will be created.
bool writeGeoPdf
true if geospatial PDF files should be created, instead of normal PDF files.
double dpi
Resolution to export layout at. If dpi <= 0 the default layout dpi will be used.
QVector< qreal > predefinedMapScales
A list of predefined scales to use with the layout.
bool simplifyGeometries
Indicates whether vector geometries should be simplified to avoid redundant extraneous detail,...
bool useOgcBestPracticeFormatGeoreferencing
true if OGC "best practice" format georeferencing should be used.
Qgis::TextRenderFormat textRenderFormat
Text rendering format, which controls how text should be rendered in the export (e....
Contains settings relating to exporting layouts to SVG.
double dpi
Resolution to export layout at. If dpi <= 0 the default layout dpi will be used.
QgsLayoutRenderContext::Flags flags
Layout context flags, which control how the export will be created.
QVector< qreal > predefinedMapScales
A list of predefined scales to use with the layout.
Setting to define QGIS Server WMS Dimension.
Setting options for loading vector layers.
QList< QgsWmsParametersLayer > mLayers
QList< QgsWmsParametersHighlightLayer > mHighlightLayers
QList< QgsWmsParametersFilter > mFilter