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[mvt] mapbox vector tiles conversion improvements #58154

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merged 9 commits into from
Jul 24, 2024
Merged

[mvt] mapbox vector tiles conversion improvements #58154

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6021e6d
[mvt] fix brush when color is data defined
3nids Jul 17, 2024
96ca449
fix match expression when single value is provided
3nids Jul 17, 2024
d723e6b
do not set an invalid color
3nids Jul 18, 2024
4dd28bf
add test for MVT conversion
3nids Jul 19, 2024
0c0b085
fix parseArray stops are open on both ends
3nids Jul 23, 2024
0497c57
fix test
3nids Jul 24, 2024
8848616
set transparent color as fallback
3nids Jul 24, 2024
8547fa5
test for colors
3nids Jul 24, 2024
98924d7
add tolerance
3nids Jul 24, 2024
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12 changes: 10 additions & 2 deletions src/core/vectortile/qgsmapboxglstyleconverter.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -229,6 +229,8 @@ bool QgsMapBoxGlStyleConverter::parseFillLayer( const QVariantMap &jsonLayer, Qg
QgsPropertyCollection ddProperties;
QgsPropertyCollection ddRasterProperties;

bool colorIsDataDefined = false;

std::unique_ptr< QgsSymbol > symbol( std::make_unique< QgsFillSymbol >() );

// fill color
Expand All @@ -244,6 +246,7 @@ bool QgsMapBoxGlStyleConverter::parseFillLayer( const QVariantMap &jsonLayer, Qg

case QMetaType::Type::QVariantList:
case QMetaType::Type::QStringList:
colorIsDataDefined = true;
ddProperties.setProperty( QgsSymbolLayer::Property::FillColor, parseValueList( jsonFillColor.toList(), PropertyType::Color, context, 1, 255, &fillColor ) );
break;

Expand Down Expand Up @@ -453,7 +456,7 @@ bool QgsMapBoxGlStyleConverter::parseFillLayer( const QVariantMap &jsonLayer, Qg
fillSymbol->setStrokeStyle( Qt::NoPen );
}

if ( fillColor.isValid() )
if ( fillColor.isValid() || colorIsDataDefined )
{
fillSymbol->setFillColor( fillColor );
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If fillColor isn't valid, then we'll be setting the fill symbol to an invalid QColor here... I don't think we want to do that!

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What would you do? Move the check and do an else if?

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Can you explain what it's trying to do here? I think ideally it'd be set to eg the first colour in the list

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I'm just trying to avoid to set "no brush" if it's data defined. So not setting it might be sufficient.

}
Expand Down Expand Up @@ -2679,7 +2682,12 @@ QgsProperty QgsMapBoxGlStyleConverter::parseMatchList( const QVariantList &json,

for ( int i = 2; i < json.length() - 1; i += 2 )
{
const QVariantList keys = json.value( i ).toList();
QVariantList keys;
QVariant variantKeys = json.value( i );
if ( variantKeys.canConvert< QVariantList >() )
keys = variantKeys.toList();
else
keys = {variantKeys};

QStringList matchString;
for ( const QVariant &key : keys )
Expand Down