/
qgsmapboxglstyleconverter.cpp
3223 lines (2817 loc) · 125 KB
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qgsmapboxglstyleconverter.cpp
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/***************************************************************************
qgsmapboxglstyleconverter.cpp
--------------------------------------
Date : September 2020
Copyright : (C) 2020 by Nyall Dawson
Email : nyall dot dawson at gmail dot com
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
/*
* Ported from original work by Martin Dobias, and extended by the MapTiler team!
*/
#include "qgsmapboxglstyleconverter.h"
#include "qgsvectortilebasicrenderer.h"
#include "qgsvectortilebasiclabeling.h"
#include "qgssymbollayer.h"
#include "qgssymbollayerutils.h"
#include "qgslogger.h"
#include "qgsfillsymbollayer.h"
#include "qgslinesymbollayer.h"
#include "qgsfontutils.h"
#include "qgsjsonutils.h"
#include "qgspainteffect.h"
#include "qgseffectstack.h"
#include "qgsblureffect.h"
#include "qgsmarkersymbollayer.h"
#include "qgstextbackgroundsettings.h"
#include "qgsfillsymbol.h"
#include "qgsmarkersymbol.h"
#include "qgslinesymbol.h"
#include <QBuffer>
#include <QRegularExpression>
QgsMapBoxGlStyleConverter::QgsMapBoxGlStyleConverter()
{
}
QgsMapBoxGlStyleConverter::Result QgsMapBoxGlStyleConverter::convert( const QVariantMap &style, QgsMapBoxGlStyleConversionContext *context )
{
mError.clear();
mWarnings.clear();
if ( style.contains( QStringLiteral( "layers" ) ) )
{
parseLayers( style.value( QStringLiteral( "layers" ) ).toList(), context );
}
else
{
mError = QObject::tr( "Could not find layers list in JSON" );
return NoLayerList;
}
return Success;
}
QgsMapBoxGlStyleConverter::Result QgsMapBoxGlStyleConverter::convert( const QString &style, QgsMapBoxGlStyleConversionContext *context )
{
return convert( QgsJsonUtils::parseJson( style ).toMap(), context );
}
QgsMapBoxGlStyleConverter::~QgsMapBoxGlStyleConverter() = default;
void QgsMapBoxGlStyleConverter::parseLayers( const QVariantList &layers, QgsMapBoxGlStyleConversionContext *context )
{
std::unique_ptr< QgsMapBoxGlStyleConversionContext > tmpContext;
if ( !context )
{
tmpContext = std::make_unique< QgsMapBoxGlStyleConversionContext >();
context = tmpContext.get();
}
QList<QgsVectorTileBasicRendererStyle> rendererStyles;
QList<QgsVectorTileBasicLabelingStyle> labelingStyles;
QgsVectorTileBasicRendererStyle rendererBackgroundStyle;
bool hasRendererBackgroundStyle = false;
for ( const QVariant &layer : layers )
{
const QVariantMap jsonLayer = layer.toMap();
const QString layerType = jsonLayer.value( QStringLiteral( "type" ) ).toString();
if ( layerType == QLatin1String( "background" ) )
{
hasRendererBackgroundStyle = parseFillLayer( jsonLayer, rendererBackgroundStyle, *context, true );
if ( hasRendererBackgroundStyle )
{
rendererBackgroundStyle.setStyleName( layerType );
rendererBackgroundStyle.setLayerName( layerType );
rendererBackgroundStyle.setFilterExpression( QString() );
rendererBackgroundStyle.setEnabled( true );
}
continue;
}
const QString styleId = jsonLayer.value( QStringLiteral( "id" ) ).toString();
context->setLayerId( styleId );
const QString layerName = jsonLayer.value( QStringLiteral( "source-layer" ) ).toString();
const int minZoom = jsonLayer.value( QStringLiteral( "minzoom" ), QStringLiteral( "-1" ) ).toInt();
const int maxZoom = jsonLayer.value( QStringLiteral( "maxzoom" ), QStringLiteral( "-1" ) ).toInt();
const bool enabled = jsonLayer.value( QStringLiteral( "visibility" ) ).toString() != QLatin1String( "none" );
QString filterExpression;
if ( jsonLayer.contains( QStringLiteral( "filter" ) ) )
{
filterExpression = parseExpression( jsonLayer.value( QStringLiteral( "filter" ) ).toList(), *context );
}
QgsVectorTileBasicRendererStyle rendererStyle;
QgsVectorTileBasicLabelingStyle labelingStyle;
bool hasRendererStyle = false;
bool hasLabelingStyle = false;
if ( layerType == QLatin1String( "fill" ) )
{
hasRendererStyle = parseFillLayer( jsonLayer, rendererStyle, *context );
}
else if ( layerType == QLatin1String( "line" ) )
{
hasRendererStyle = parseLineLayer( jsonLayer, rendererStyle, *context );
}
else if ( layerType == QLatin1String( "circle" ) )
{
hasRendererStyle = parseCircleLayer( jsonLayer, rendererStyle, *context );
}
else if ( layerType == QLatin1String( "symbol" ) )
{
parseSymbolLayer( jsonLayer, rendererStyle, hasRendererStyle, labelingStyle, hasLabelingStyle, *context );
}
else
{
mWarnings << QObject::tr( "%1: Skipping unknown layer type %2" ).arg( context->layerId(), layerType );
QgsDebugMsg( mWarnings.constLast() );
continue;
}
if ( hasRendererStyle )
{
rendererStyle.setStyleName( styleId );
rendererStyle.setLayerName( layerName );
rendererStyle.setFilterExpression( filterExpression );
rendererStyle.setMinZoomLevel( minZoom );
rendererStyle.setMaxZoomLevel( maxZoom );
rendererStyle.setEnabled( enabled );
rendererStyles.append( rendererStyle );
}
if ( hasLabelingStyle )
{
labelingStyle.setStyleName( styleId );
labelingStyle.setLayerName( layerName );
labelingStyle.setFilterExpression( filterExpression );
labelingStyle.setMinZoomLevel( minZoom );
labelingStyle.setMaxZoomLevel( maxZoom );
labelingStyle.setEnabled( enabled );
labelingStyles.append( labelingStyle );
}
mWarnings.append( context->warnings() );
context->clearWarnings();
}
if ( hasRendererBackgroundStyle )
rendererStyles.prepend( rendererBackgroundStyle );
mRenderer = std::make_unique< QgsVectorTileBasicRenderer >();
QgsVectorTileBasicRenderer *renderer = dynamic_cast< QgsVectorTileBasicRenderer *>( mRenderer.get() );
renderer->setStyles( rendererStyles );
mLabeling = std::make_unique< QgsVectorTileBasicLabeling >();
QgsVectorTileBasicLabeling *labeling = dynamic_cast< QgsVectorTileBasicLabeling * >( mLabeling.get() );
labeling->setStyles( labelingStyles );
}
bool QgsMapBoxGlStyleConverter::parseFillLayer( const QVariantMap &jsonLayer, QgsVectorTileBasicRendererStyle &style, QgsMapBoxGlStyleConversionContext &context, bool isBackgroundStyle )
{
if ( !jsonLayer.contains( QStringLiteral( "paint" ) ) )
{
context.pushWarning( QObject::tr( "%1: Layer has no paint property, skipping" ).arg( jsonLayer.value( QStringLiteral( "id" ) ).toString() ) );
return false;
}
const QVariantMap jsonPaint = jsonLayer.value( QStringLiteral( "paint" ) ).toMap();
QgsPropertyCollection ddProperties;
QgsPropertyCollection ddRasterProperties;
// fill color
QColor fillColor;
if ( jsonPaint.contains( isBackgroundStyle ? QStringLiteral( "background-color" ) : QStringLiteral( "fill-color" ) ) )
{
const QVariant jsonFillColor = jsonPaint.value( isBackgroundStyle ? QStringLiteral( "background-color" ) : QStringLiteral( "fill-color" ) );
switch ( jsonFillColor.type() )
{
case QVariant::Map:
ddProperties.setProperty( QgsSymbolLayer::PropertyFillColor, parseInterpolateColorByZoom( jsonFillColor.toMap(), context, &fillColor ) );
break;
case QVariant::List:
case QVariant::StringList:
ddProperties.setProperty( QgsSymbolLayer::PropertyFillColor, parseValueList( jsonFillColor.toList(), PropertyType::Color, context, 1, 255, &fillColor ) );
break;
case QVariant::String:
fillColor = parseColor( jsonFillColor.toString(), context );
break;
default:
{
context.pushWarning( QObject::tr( "%1: Skipping unsupported fill-color type (%2)" ).arg( context.layerId(), QMetaType::typeName( jsonFillColor.type() ) ) );
break;
}
}
}
else
{
// defaults to #000000
fillColor = QColor( 0, 0, 0 );
}
QColor fillOutlineColor;
if ( !isBackgroundStyle && !jsonPaint.contains( QStringLiteral( "fill-outline-color" ) ) )
{
// fill-outline-color
if ( fillColor.isValid() )
fillOutlineColor = fillColor;
else
{
// use fill color data defined property
if ( ddProperties.isActive( QgsSymbolLayer::PropertyFillColor ) )
ddProperties.setProperty( QgsSymbolLayer::PropertyStrokeColor, ddProperties.property( QgsSymbolLayer::PropertyFillColor ) );
}
}
else
{
const QVariant jsonFillOutlineColor = jsonPaint.value( QStringLiteral( "fill-outline-color" ) );
switch ( jsonFillOutlineColor.type() )
{
case QVariant::Map:
ddProperties.setProperty( QgsSymbolLayer::PropertyStrokeColor, parseInterpolateColorByZoom( jsonFillOutlineColor.toMap(), context, &fillOutlineColor ) );
break;
case QVariant::List:
case QVariant::StringList:
ddProperties.setProperty( QgsSymbolLayer::PropertyStrokeColor, parseValueList( jsonFillOutlineColor.toList(), PropertyType::Color, context, 1, 255, &fillOutlineColor ) );
break;
case QVariant::String:
fillOutlineColor = parseColor( jsonFillOutlineColor.toString(), context );
break;
default:
context.pushWarning( QObject::tr( "%1: Skipping unsupported fill-outline-color type (%2)" ).arg( context.layerId(), QMetaType::typeName( jsonFillOutlineColor.type() ) ) );
break;
}
}
double fillOpacity = -1.0;
double rasterOpacity = -1.0;
if ( jsonPaint.contains( isBackgroundStyle ? QStringLiteral( "background-opacity" ) : QStringLiteral( "fill-opacity" ) ) )
{
const QVariant jsonFillOpacity = jsonPaint.value( isBackgroundStyle ? QStringLiteral( "background-opacity" ) : QStringLiteral( "fill-opacity" ) );
switch ( jsonFillOpacity.type() )
{
case QVariant::Int:
case QVariant::Double:
fillOpacity = jsonFillOpacity.toDouble();
rasterOpacity = fillOpacity;
break;
case QVariant::Map:
if ( ddProperties.isActive( QgsSymbolLayer::PropertyFillColor ) )
{
context.pushWarning( QObject::tr( "%1: Could not set opacity of layer, opacity already defined in fill color" ).arg( context.layerId() ) );
}
else
{
ddProperties.setProperty( QgsSymbolLayer::PropertyFillColor, parseInterpolateOpacityByZoom( jsonFillOpacity.toMap(), fillColor.isValid() ? fillColor.alpha() : 255, &context ) );
ddProperties.setProperty( QgsSymbolLayer::PropertyStrokeColor, parseInterpolateOpacityByZoom( jsonFillOpacity.toMap(), fillOutlineColor.isValid() ? fillOutlineColor.alpha() : 255, &context ) );
ddRasterProperties.setProperty( QgsSymbolLayer::PropertyOpacity, parseInterpolateByZoom( jsonFillOpacity.toMap(), context, 100, &rasterOpacity ) );
}
break;
case QVariant::List:
case QVariant::StringList:
if ( ddProperties.isActive( QgsSymbolLayer::PropertyFillColor ) )
{
context.pushWarning( QObject::tr( "%1: Could not set opacity of layer, opacity already defined in fill color" ).arg( context.layerId() ) );
}
else
{
ddProperties.setProperty( QgsSymbolLayer::PropertyFillColor, parseValueList( jsonFillOpacity.toList(), PropertyType::Opacity, context, 1, fillColor.isValid() ? fillColor.alpha() : 255 ) );
ddProperties.setProperty( QgsSymbolLayer::PropertyStrokeColor, parseValueList( jsonFillOpacity.toList(), PropertyType::Opacity, context, 1, fillOutlineColor.isValid() ? fillOutlineColor.alpha() : 255 ) );
ddRasterProperties.setProperty( QgsSymbolLayer::PropertyOpacity, parseValueList( jsonFillOpacity.toList(), PropertyType::Numeric, context, 100, 255, nullptr, &rasterOpacity ) );
}
break;
default:
context.pushWarning( QObject::tr( "%1: Skipping unsupported fill-opacity type (%2)" ).arg( context.layerId(), QMetaType::typeName( jsonFillOpacity.type() ) ) );
break;
}
}
// fill-translate
QPointF fillTranslate;
if ( jsonPaint.contains( QStringLiteral( "fill-translate" ) ) )
{
const QVariant jsonFillTranslate = jsonPaint.value( QStringLiteral( "fill-translate" ) );
switch ( jsonFillTranslate.type() )
{
case QVariant::Map:
ddProperties.setProperty( QgsSymbolLayer::PropertyOffset, parseInterpolatePointByZoom( jsonFillTranslate.toMap(), context, context.pixelSizeConversionFactor(), &fillTranslate ) );
break;
case QVariant::List:
case QVariant::StringList:
fillTranslate = QPointF( jsonFillTranslate.toList().value( 0 ).toDouble() * context.pixelSizeConversionFactor(),
jsonFillTranslate.toList().value( 1 ).toDouble() * context.pixelSizeConversionFactor() );
break;
default:
context.pushWarning( QObject::tr( "%1: Skipping unsupported fill-translate type (%2)" ).arg( context.layerId(), QMetaType::typeName( jsonFillTranslate.type() ) ) );
break;
}
}
std::unique_ptr< QgsSymbol > symbol( std::make_unique< QgsFillSymbol >() );
QgsSimpleFillSymbolLayer *fillSymbol = dynamic_cast< QgsSimpleFillSymbolLayer * >( symbol->symbolLayer( 0 ) );
Q_ASSERT( fillSymbol ); // should not fail since QgsFillSymbol() constructor instantiates a QgsSimpleFillSymbolLayer
// set render units
symbol->setOutputUnit( context.targetUnit() );
fillSymbol->setOutputUnit( context.targetUnit() );
if ( !fillTranslate.isNull() )
{
fillSymbol->setOffset( fillTranslate );
}
fillSymbol->setOffsetUnit( context.targetUnit() );
if ( jsonPaint.contains( isBackgroundStyle ? QStringLiteral( "background-pattern" ) : QStringLiteral( "fill-pattern" ) ) )
{
// get fill-pattern to set sprite
const QVariant fillPatternJson = jsonPaint.value( isBackgroundStyle ? QStringLiteral( "background-pattern" ) : QStringLiteral( "fill-pattern" ) );
// fill-pattern disabled dillcolor
fillColor = QColor();
fillOutlineColor = QColor();
// fill-pattern can be String or Object
// String: {"fill-pattern": "dash-t"}
// Object: {"fill-pattern":{"stops":[[11,"wetland8"],[12,"wetland16"]]}}
QSize spriteSize;
QString spriteProperty, spriteSizeProperty;
const QString sprite = retrieveSpriteAsBase64( fillPatternJson, context, spriteSize, spriteProperty, spriteSizeProperty );
if ( !sprite.isEmpty() )
{
// when fill-pattern exists, set and insert QgsRasterFillSymbolLayer
QgsRasterFillSymbolLayer *rasterFill = new QgsRasterFillSymbolLayer();
rasterFill->setImageFilePath( sprite );
rasterFill->setWidth( spriteSize.width() );
rasterFill->setWidthUnit( context.targetUnit() );
rasterFill->setCoordinateMode( QgsRasterFillSymbolLayer::Viewport );
if ( rasterOpacity >= 0 )
{
rasterFill->setOpacity( rasterOpacity );
}
if ( !spriteProperty.isEmpty() )
{
ddRasterProperties.setProperty( QgsSymbolLayer::PropertyFile, QgsProperty::fromExpression( spriteProperty ) );
ddRasterProperties.setProperty( QgsSymbolLayer::PropertyWidth, QgsProperty::fromExpression( spriteSizeProperty ) );
}
rasterFill->setDataDefinedProperties( ddRasterProperties );
symbol->appendSymbolLayer( rasterFill );
}
}
fillSymbol->setDataDefinedProperties( ddProperties );
if ( fillOpacity != -1 )
{
symbol->setOpacity( fillOpacity );
}
if ( fillOutlineColor.isValid() )
{
fillSymbol->setStrokeColor( fillOutlineColor );
}
else
{
fillSymbol->setStrokeStyle( Qt::NoPen );
}
if ( fillColor.isValid() )
{
fillSymbol->setFillColor( fillColor );
}
else
{
fillSymbol->setBrushStyle( Qt::NoBrush );
}
style.setGeometryType( QgsWkbTypes::PolygonGeometry );
style.setSymbol( symbol.release() );
return true;
}
bool QgsMapBoxGlStyleConverter::parseLineLayer( const QVariantMap &jsonLayer, QgsVectorTileBasicRendererStyle &style, QgsMapBoxGlStyleConversionContext &context )
{
if ( !jsonLayer.contains( QStringLiteral( "paint" ) ) )
{
context.pushWarning( QObject::tr( "%1: Style has no paint property, skipping" ).arg( context.layerId() ) );
return false;
}
const QVariantMap jsonPaint = jsonLayer.value( QStringLiteral( "paint" ) ).toMap();
if ( jsonPaint.contains( QStringLiteral( "line-pattern" ) ) )
{
context.pushWarning( QObject::tr( "%1: Skipping unsupported line-pattern property" ).arg( context.layerId() ) );
return false;
}
QgsPropertyCollection ddProperties;
// line color
QColor lineColor;
if ( jsonPaint.contains( QStringLiteral( "line-color" ) ) )
{
const QVariant jsonLineColor = jsonPaint.value( QStringLiteral( "line-color" ) );
switch ( jsonLineColor.type() )
{
case QVariant::Map:
ddProperties.setProperty( QgsSymbolLayer::PropertyFillColor, parseInterpolateColorByZoom( jsonLineColor.toMap(), context, &lineColor ) );
ddProperties.setProperty( QgsSymbolLayer::PropertyStrokeColor, ddProperties.property( QgsSymbolLayer::PropertyFillColor ) );
break;
case QVariant::List:
case QVariant::StringList:
ddProperties.setProperty( QgsSymbolLayer::PropertyFillColor, parseValueList( jsonLineColor.toList(), PropertyType::Color, context, 1, 255, &lineColor ) );
ddProperties.setProperty( QgsSymbolLayer::PropertyStrokeColor, ddProperties.property( QgsSymbolLayer::PropertyFillColor ) );
break;
case QVariant::String:
lineColor = parseColor( jsonLineColor.toString(), context );
break;
default:
context.pushWarning( QObject::tr( "%1: Skipping unsupported line-color type (%2)" ).arg( context.layerId(), QMetaType::typeName( jsonLineColor.type() ) ) );
break;
}
}
else
{
// defaults to #000000
lineColor = QColor( 0, 0, 0 );
}
double lineWidth = 1.0;
QgsProperty lineWidthProperty;
if ( jsonPaint.contains( QStringLiteral( "line-width" ) ) )
{
const QVariant jsonLineWidth = jsonPaint.value( QStringLiteral( "line-width" ) );
switch ( jsonLineWidth.type() )
{
case QVariant::Int:
case QVariant::Double:
lineWidth = jsonLineWidth.toDouble() * context.pixelSizeConversionFactor();
break;
case QVariant::Map:
lineWidth = -1;
lineWidthProperty = parseInterpolateByZoom( jsonLineWidth.toMap(), context, context.pixelSizeConversionFactor(), &lineWidth );
ddProperties.setProperty( QgsSymbolLayer::PropertyStrokeWidth, lineWidthProperty );
break;
case QVariant::List:
case QVariant::StringList:
lineWidthProperty = parseValueList( jsonLineWidth.toList(), PropertyType::Numeric, context, context.pixelSizeConversionFactor(), 255, nullptr, &lineWidth );
ddProperties.setProperty( QgsSymbolLayer::PropertyStrokeWidth, lineWidthProperty );
break;
default:
context.pushWarning( QObject::tr( "%1: Skipping unsupported fill-width type (%2)" ).arg( context.layerId(), QMetaType::typeName( jsonLineWidth.type() ) ) );
break;
}
}
double lineOffset = 0.0;
if ( jsonPaint.contains( QStringLiteral( "line-offset" ) ) )
{
const QVariant jsonLineOffset = jsonPaint.value( QStringLiteral( "line-offset" ) );
switch ( jsonLineOffset.type() )
{
case QVariant::Int:
case QVariant::Double:
lineOffset = -jsonLineOffset.toDouble() * context.pixelSizeConversionFactor();
break;
case QVariant::Map:
lineWidth = -1;
ddProperties.setProperty( QgsSymbolLayer::PropertyOffset, parseInterpolateByZoom( jsonLineOffset.toMap(), context, context.pixelSizeConversionFactor() * -1, &lineOffset ) );
break;
case QVariant::List:
case QVariant::StringList:
ddProperties.setProperty( QgsSymbolLayer::PropertyOffset, parseValueList( jsonLineOffset.toList(), PropertyType::Numeric, context, context.pixelSizeConversionFactor() * -1, 255, nullptr, &lineOffset ) );
break;
default:
context.pushWarning( QObject::tr( "%1: Skipping unsupported line-offset type (%2)" ).arg( context.layerId(), QMetaType::typeName( jsonLineOffset.type() ) ) );
break;
}
}
double lineOpacity = -1.0;
if ( jsonPaint.contains( QStringLiteral( "line-opacity" ) ) )
{
const QVariant jsonLineOpacity = jsonPaint.value( QStringLiteral( "line-opacity" ) );
switch ( jsonLineOpacity.type() )
{
case QVariant::Int:
case QVariant::Double:
lineOpacity = jsonLineOpacity.toDouble();
break;
case QVariant::Map:
if ( ddProperties.isActive( QgsSymbolLayer::PropertyStrokeColor ) )
{
context.pushWarning( QObject::tr( "%1: Could not set opacity of layer, opacity already defined in stroke color" ).arg( context.layerId() ) );
}
else
{
ddProperties.setProperty( QgsSymbolLayer::PropertyStrokeColor, parseInterpolateOpacityByZoom( jsonLineOpacity.toMap(), lineColor.isValid() ? lineColor.alpha() : 255, &context ) );
}
break;
case QVariant::List:
case QVariant::StringList:
if ( ddProperties.isActive( QgsSymbolLayer::PropertyStrokeColor ) )
{
context.pushWarning( QObject::tr( "%1: Could not set opacity of layer, opacity already defined in stroke color" ).arg( context.layerId() ) );
}
else
{
ddProperties.setProperty( QgsSymbolLayer::PropertyStrokeColor, parseValueList( jsonLineOpacity.toList(), PropertyType::Opacity, context, 1, lineColor.isValid() ? lineColor.alpha() : 255 ) );
}
break;
default:
context.pushWarning( QObject::tr( "%1: Skipping unsupported line-opacity type (%2)" ).arg( context.layerId(), QMetaType::typeName( jsonLineOpacity.type() ) ) );
break;
}
}
QVector< double > dashVector;
if ( jsonPaint.contains( QStringLiteral( "line-dasharray" ) ) )
{
const QVariant jsonLineDashArray = jsonPaint.value( QStringLiteral( "line-dasharray" ) );
switch ( jsonLineDashArray.type() )
{
case QVariant::Map:
{
QString arrayExpression;
if ( !lineWidthProperty.asExpression().isEmpty() )
{
arrayExpression = QStringLiteral( "array_to_string(array_foreach(%1,@element * (%2)), ';')" ) // skip-keyword-check
.arg( parseArrayStops( jsonLineDashArray.toMap().value( QStringLiteral( "stops" ) ).toList(), context, 1 ),
lineWidthProperty.asExpression() );
}
else
{
arrayExpression = QStringLiteral( "array_to_string(%1, ';')" ).arg( parseArrayStops( jsonLineDashArray.toMap().value( QStringLiteral( "stops" ) ).toList(), context, lineWidth ) );
}
ddProperties.setProperty( QgsSymbolLayer::PropertyCustomDash, QgsProperty::fromExpression( arrayExpression ) );
const QVariantList dashSource = jsonLineDashArray.toMap().value( QStringLiteral( "stops" ) ).toList().first().toList().value( 1 ).toList();
for ( const QVariant &v : dashSource )
{
dashVector << v.toDouble() * lineWidth;
}
break;
}
case QVariant::List:
case QVariant::StringList:
{
if ( ( !lineWidthProperty.asExpression().isEmpty() ) )
{
QString arrayExpression = QStringLiteral( "array_to_string(array_foreach(array(%1),@element * (%2)), ';')" ) // skip-keyword-check
.arg( jsonLineDashArray.toStringList().join( ',' ),
lineWidthProperty.asExpression() );
ddProperties.setProperty( QgsSymbolLayer::PropertyCustomDash, QgsProperty::fromExpression( arrayExpression ) );
}
const QVariantList dashSource = jsonLineDashArray.toList();
for ( const QVariant &v : dashSource )
{
dashVector << v.toDouble() * lineWidth;
}
break;
}
default:
context.pushWarning( QObject::tr( "%1: Skipping unsupported line-dasharray type (%2)" ).arg( context.layerId(), QMetaType::typeName( jsonLineDashArray.type() ) ) );
break;
}
}
Qt::PenCapStyle penCapStyle = Qt::FlatCap;
Qt::PenJoinStyle penJoinStyle = Qt::MiterJoin;
if ( jsonLayer.contains( QStringLiteral( "layout" ) ) )
{
const QVariantMap jsonLayout = jsonLayer.value( QStringLiteral( "layout" ) ).toMap();
if ( jsonLayout.contains( QStringLiteral( "line-cap" ) ) )
{
penCapStyle = parseCapStyle( jsonLayout.value( QStringLiteral( "line-cap" ) ).toString() );
}
if ( jsonLayout.contains( QStringLiteral( "line-join" ) ) )
{
penJoinStyle = parseJoinStyle( jsonLayout.value( QStringLiteral( "line-join" ) ).toString() );
}
}
std::unique_ptr< QgsSymbol > symbol( std::make_unique< QgsLineSymbol >() );
QgsSimpleLineSymbolLayer *lineSymbol = dynamic_cast< QgsSimpleLineSymbolLayer * >( symbol->symbolLayer( 0 ) );
Q_ASSERT( lineSymbol ); // should not fail since QgsLineSymbol() constructor instantiates a QgsSimpleLineSymbolLayer
// set render units
symbol->setOutputUnit( context.targetUnit() );
lineSymbol->setOutputUnit( context.targetUnit() );
lineSymbol->setPenCapStyle( penCapStyle );
lineSymbol->setPenJoinStyle( penJoinStyle );
lineSymbol->setDataDefinedProperties( ddProperties );
lineSymbol->setOffset( lineOffset );
lineSymbol->setOffsetUnit( context.targetUnit() );
if ( lineOpacity != -1 )
{
symbol->setOpacity( lineOpacity );
}
if ( lineColor.isValid() )
{
lineSymbol->setColor( lineColor );
}
if ( lineWidth != -1 )
{
lineSymbol->setWidth( lineWidth );
}
if ( !dashVector.empty() )
{
lineSymbol->setUseCustomDashPattern( true );
lineSymbol->setCustomDashVector( dashVector );
}
style.setGeometryType( QgsWkbTypes::LineGeometry );
style.setSymbol( symbol.release() );
return true;
}
bool QgsMapBoxGlStyleConverter::parseCircleLayer( const QVariantMap &jsonLayer, QgsVectorTileBasicRendererStyle &style, QgsMapBoxGlStyleConversionContext &context )
{
if ( !jsonLayer.contains( QStringLiteral( "paint" ) ) )
{
context.pushWarning( QObject::tr( "%1: Style has no paint property, skipping" ).arg( context.layerId() ) );
return false;
}
const QVariantMap jsonPaint = jsonLayer.value( QStringLiteral( "paint" ) ).toMap();
QgsPropertyCollection ddProperties;
// circle color
QColor circleFillColor;
if ( jsonPaint.contains( QStringLiteral( "circle-color" ) ) )
{
const QVariant jsonCircleColor = jsonPaint.value( QStringLiteral( "circle-color" ) );
switch ( jsonCircleColor.type() )
{
case QVariant::Map:
ddProperties.setProperty( QgsSymbolLayer::PropertyFillColor, parseInterpolateColorByZoom( jsonCircleColor.toMap(), context, &circleFillColor ) );
break;
case QVariant::List:
case QVariant::StringList:
ddProperties.setProperty( QgsSymbolLayer::PropertyFillColor, parseValueList( jsonCircleColor.toList(), PropertyType::Color, context, 1, 255, &circleFillColor ) );
break;
case QVariant::String:
circleFillColor = parseColor( jsonCircleColor.toString(), context );
break;
default:
context.pushWarning( QObject::tr( "%1: Skipping unsupported circle-color type (%2)" ).arg( context.layerId(), QMetaType::typeName( jsonCircleColor.type() ) ) );
break;
}
}
else
{
// defaults to #000000
circleFillColor = QColor( 0, 0, 0 );
}
// circle radius
double circleDiameter = 10.0;
if ( jsonPaint.contains( QStringLiteral( "circle-radius" ) ) )
{
const QVariant jsonCircleRadius = jsonPaint.value( QStringLiteral( "circle-radius" ) );
switch ( jsonCircleRadius.type() )
{
case QVariant::Int:
case QVariant::Double:
circleDiameter = jsonCircleRadius.toDouble() * context.pixelSizeConversionFactor() * 2;
break;
case QVariant::Map:
circleDiameter = -1;
ddProperties.setProperty( QgsSymbolLayer::PropertyWidth, parseInterpolateByZoom( jsonCircleRadius.toMap(), context, context.pixelSizeConversionFactor() * 2, &circleDiameter ) );
break;
case QVariant::List:
case QVariant::StringList:
ddProperties.setProperty( QgsSymbolLayer::PropertyWidth, parseValueList( jsonCircleRadius.toList(), PropertyType::Numeric, context, context.pixelSizeConversionFactor() * 2, 255, nullptr, &circleDiameter ) );
break;
default:
context.pushWarning( QObject::tr( "%1: Skipping unsupported circle-radius type (%2)" ).arg( context.layerId(), QMetaType::typeName( jsonCircleRadius.type() ) ) );
break;
}
}
double circleOpacity = -1.0;
if ( jsonPaint.contains( QStringLiteral( "circle-opacity" ) ) )
{
const QVariant jsonCircleOpacity = jsonPaint.value( QStringLiteral( "circle-opacity" ) );
switch ( jsonCircleOpacity.type() )
{
case QVariant::Int:
case QVariant::Double:
circleOpacity = jsonCircleOpacity.toDouble();
break;
case QVariant::Map:
ddProperties.setProperty( QgsSymbolLayer::PropertyFillColor, parseInterpolateOpacityByZoom( jsonCircleOpacity.toMap(), circleFillColor.isValid() ? circleFillColor.alpha() : 255, &context ) );
break;
case QVariant::List:
case QVariant::StringList:
ddProperties.setProperty( QgsSymbolLayer::PropertyFillColor, parseValueList( jsonCircleOpacity.toList(), PropertyType::Opacity, context, 1, circleFillColor.isValid() ? circleFillColor.alpha() : 255 ) );
break;
default:
context.pushWarning( QObject::tr( "%1: Skipping unsupported circle-opacity type (%2)" ).arg( context.layerId(), QMetaType::typeName( jsonCircleOpacity.type() ) ) );
break;
}
}
if ( ( circleOpacity != -1 ) && circleFillColor.isValid() )
{
circleFillColor.setAlphaF( circleOpacity );
}
// circle stroke color
QColor circleStrokeColor;
if ( jsonPaint.contains( QStringLiteral( "circle-stroke-color" ) ) )
{
const QVariant jsonCircleStrokeColor = jsonPaint.value( QStringLiteral( "circle-stroke-color" ) );
switch ( jsonCircleStrokeColor.type() )
{
case QVariant::Map:
ddProperties.setProperty( QgsSymbolLayer::PropertyStrokeColor, parseInterpolateColorByZoom( jsonCircleStrokeColor.toMap(), context, &circleStrokeColor ) );
break;
case QVariant::List:
case QVariant::StringList:
ddProperties.setProperty( QgsSymbolLayer::PropertyStrokeColor, parseValueList( jsonCircleStrokeColor.toList(), PropertyType::Color, context, 1, 255, &circleStrokeColor ) );
break;
case QVariant::String:
circleStrokeColor = parseColor( jsonCircleStrokeColor.toString(), context );
break;
default:
context.pushWarning( QObject::tr( "%1: Skipping unsupported circle-stroke-color type (%2)" ).arg( context.layerId(), QMetaType::typeName( jsonCircleStrokeColor.type() ) ) );
break;
}
}
// circle stroke width
double circleStrokeWidth = -1.0;
if ( jsonPaint.contains( QStringLiteral( "circle-stroke-width" ) ) )
{
const QVariant circleStrokeWidthJson = jsonPaint.value( QStringLiteral( "circle-stroke-width" ) );
switch ( circleStrokeWidthJson.type() )
{
case QVariant::Int:
case QVariant::Double:
circleStrokeWidth = circleStrokeWidthJson.toDouble() * context.pixelSizeConversionFactor();
break;
case QVariant::Map:
circleStrokeWidth = -1.0;
ddProperties.setProperty( QgsSymbolLayer::PropertyStrokeWidth, parseInterpolateByZoom( circleStrokeWidthJson.toMap(), context, context.pixelSizeConversionFactor(), &circleStrokeWidth ) );
break;
case QVariant::List:
case QVariant::StringList:
ddProperties.setProperty( QgsSymbolLayer::PropertyStrokeWidth, parseValueList( circleStrokeWidthJson.toList(), PropertyType::Numeric, context, context.pixelSizeConversionFactor(), 255, nullptr, &circleStrokeWidth ) );
break;
default:
context.pushWarning( QObject::tr( "%1: Skipping unsupported circle-stroke-width type (%2)" ).arg( context.layerId(), QMetaType::typeName( circleStrokeWidthJson.type() ) ) );
break;
}
}
double circleStrokeOpacity = -1.0;
if ( jsonPaint.contains( QStringLiteral( "circle-stroke-opacity" ) ) )
{
const QVariant jsonCircleStrokeOpacity = jsonPaint.value( QStringLiteral( "circle-stroke-opacity" ) );
switch ( jsonCircleStrokeOpacity.type() )
{
case QVariant::Int:
case QVariant::Double:
circleStrokeOpacity = jsonCircleStrokeOpacity.toDouble();
break;
case QVariant::Map:
ddProperties.setProperty( QgsSymbolLayer::PropertyStrokeColor, parseInterpolateOpacityByZoom( jsonCircleStrokeOpacity.toMap(), circleStrokeColor.isValid() ? circleStrokeColor.alpha() : 255, &context ) );
break;
case QVariant::List:
case QVariant::StringList:
ddProperties.setProperty( QgsSymbolLayer::PropertyStrokeColor, parseValueList( jsonCircleStrokeOpacity.toList(), PropertyType::Opacity, context, 1, circleStrokeColor.isValid() ? circleStrokeColor.alpha() : 255 ) );
break;
default:
context.pushWarning( QObject::tr( "%1: Skipping unsupported circle-stroke-opacity type (%2)" ).arg( context.layerId(), QMetaType::typeName( jsonCircleStrokeOpacity.type() ) ) );
break;
}
}
if ( ( circleStrokeOpacity != -1 ) && circleStrokeColor.isValid() )
{
circleStrokeColor.setAlphaF( circleStrokeOpacity );
}
// translate
QPointF circleTranslate;
if ( jsonPaint.contains( QStringLiteral( "circle-translate" ) ) )
{
const QVariant jsonCircleTranslate = jsonPaint.value( QStringLiteral( "circle-translate" ) );
switch ( jsonCircleTranslate.type() )
{
case QVariant::Map:
ddProperties.setProperty( QgsSymbolLayer::PropertyOffset, parseInterpolatePointByZoom( jsonCircleTranslate.toMap(), context, context.pixelSizeConversionFactor(), &circleTranslate ) );
break;
case QVariant::List:
case QVariant::StringList:
circleTranslate = QPointF( jsonCircleTranslate.toList().value( 0 ).toDouble() * context.pixelSizeConversionFactor(),
jsonCircleTranslate.toList().value( 1 ).toDouble() * context.pixelSizeConversionFactor() );
break;
default:
context.pushWarning( QObject::tr( "%1: Skipping unsupported circle-translate type (%2)" ).arg( context.layerId(), QMetaType::typeName( jsonCircleTranslate.type() ) ) );
break;
}
}
std::unique_ptr< QgsSymbol > symbol( std::make_unique< QgsMarkerSymbol >() );
QgsSimpleMarkerSymbolLayer *markerSymbolLayer = dynamic_cast< QgsSimpleMarkerSymbolLayer * >( symbol->symbolLayer( 0 ) );
Q_ASSERT( markerSymbolLayer );
// set render units
symbol->setOutputUnit( context.targetUnit() );
symbol->setDataDefinedProperties( ddProperties );
if ( !circleTranslate.isNull() )
{
markerSymbolLayer->setOffset( circleTranslate );
markerSymbolLayer->setOffsetUnit( context.targetUnit() );
}
if ( circleFillColor.isValid() )
{
markerSymbolLayer->setFillColor( circleFillColor );
}
if ( circleDiameter != -1 )
{
markerSymbolLayer->setSize( circleDiameter );
markerSymbolLayer->setSizeUnit( context.targetUnit() );
}
if ( circleStrokeColor.isValid() )
{
markerSymbolLayer->setStrokeColor( circleStrokeColor );
}
if ( circleStrokeWidth != -1 )
{
markerSymbolLayer->setStrokeWidth( circleStrokeWidth );
markerSymbolLayer->setStrokeWidthUnit( context.targetUnit() );
}
style.setGeometryType( QgsWkbTypes::PointGeometry );
style.setSymbol( symbol.release() );
return true;
}
void QgsMapBoxGlStyleConverter::parseSymbolLayer( const QVariantMap &jsonLayer, QgsVectorTileBasicRendererStyle &renderer, bool &hasRenderer, QgsVectorTileBasicLabelingStyle &labelingStyle, bool &hasLabeling, QgsMapBoxGlStyleConversionContext &context )
{
hasLabeling = false;
hasRenderer = false;
if ( !jsonLayer.contains( QStringLiteral( "layout" ) ) )
{
context.pushWarning( QObject::tr( "%1: Style layer has no layout property, skipping" ).arg( context.layerId() ) );
return;
}
const QVariantMap jsonLayout = jsonLayer.value( QStringLiteral( "layout" ) ).toMap();
if ( !jsonLayout.contains( QStringLiteral( "text-field" ) ) )
{
hasRenderer = parseSymbolLayerAsRenderer( jsonLayer, renderer, context );
return;
}
if ( !jsonLayer.contains( QStringLiteral( "paint" ) ) )
{
context.pushWarning( QObject::tr( "%1: Style layer has no paint property, skipping" ).arg( context.layerId() ) );
return;
}
const QVariantMap jsonPaint = jsonLayer.value( QStringLiteral( "paint" ) ).toMap();
QgsPropertyCollection ddLabelProperties;
double textSize = 16.0 * context.pixelSizeConversionFactor();
QgsProperty textSizeProperty;
if ( jsonLayout.contains( QStringLiteral( "text-size" ) ) )
{
const QVariant jsonTextSize = jsonLayout.value( QStringLiteral( "text-size" ) );
switch ( jsonTextSize.type() )
{
case QVariant::Int:
case QVariant::Double:
textSize = jsonTextSize.toDouble() * context.pixelSizeConversionFactor();
break;
case QVariant::Map:
textSize = -1;
textSizeProperty = parseInterpolateByZoom( jsonTextSize.toMap(), context, context.pixelSizeConversionFactor(), &textSize );
break;
case QVariant::List:
case QVariant::StringList:
textSize = -1;
textSizeProperty = parseValueList( jsonTextSize.toList(), PropertyType::Numeric, context, context.pixelSizeConversionFactor(), 255, nullptr, &textSize );
break;
default:
context.pushWarning( QObject::tr( "%1: Skipping unsupported text-size type (%2)" ).arg( context.layerId(), QMetaType::typeName( jsonTextSize.type() ) ) );
break;
}
if ( textSizeProperty )
{
ddLabelProperties.setProperty( QgsPalLayerSettings::Size, textSizeProperty );
}
}
// a rough average of ems to character count conversion for a variety of fonts
constexpr double EM_TO_CHARS = 2.0;
double textMaxWidth = -1;
if ( jsonLayout.contains( QStringLiteral( "text-max-width" ) ) )
{
const QVariant jsonTextMaxWidth = jsonLayout.value( QStringLiteral( "text-max-width" ) );
switch ( jsonTextMaxWidth.type() )
{
case QVariant::Int:
case QVariant::Double:
textMaxWidth = jsonTextMaxWidth.toDouble() * EM_TO_CHARS;
break;
case QVariant::Map:
ddLabelProperties.setProperty( QgsPalLayerSettings::AutoWrapLength, parseInterpolateByZoom( jsonTextMaxWidth.toMap(), context, EM_TO_CHARS, &textMaxWidth ) );
break;
case QVariant::List: