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Change labeling from transparency to opacity
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@nyalldawson
nyalldawson committed May 29, 2017
1 parent 5aae97e commit 07b45cd
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Showing 8 changed files with 268 additions and 140 deletions.
4 changes: 4 additions & 0 deletions python/core/qgspallabeling.sip
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Expand Up @@ -158,6 +158,7 @@ class QgsPalLayerSettings
FontStyle,
FontSizeUnit,
FontTransp,
FontOpacity,
FontCase,
FontLetterSpacing,
FontWordSpacing,
Expand All @@ -182,6 +183,7 @@ class QgsPalLayerSettings
BufferUnit,
BufferColor,
BufferTransp,
BufferOpacity,
BufferJoinStyle,
BufferBlendMode,

Expand All @@ -200,6 +202,7 @@ class QgsPalLayerSettings
ShapeRadii,
ShapeRadiiUnits,
ShapeTransparency,
ShapeOpacity,
ShapeBlendMode,
ShapeFillColor,
ShapeStrokeColor,
Expand All @@ -216,6 +219,7 @@ class QgsPalLayerSettings
ShadowRadius,
ShadowRadiusUnits,
ShadowTransparency,
ShadowOpacity,
ShadowScale,
ShadowColor,
ShadowBlendMode,
Expand Down
8 changes: 4 additions & 4 deletions src/app/qgslabelinggui.cpp
View file
Expand Up @@ -445,7 +445,7 @@ void QgsLabelingGui::populateDataDefinedButtons()
registerDataDefinedButton( mFontSizeDDBtn, QgsPalLayerSettings::Size );
registerDataDefinedButton( mFontUnitsDDBtn, QgsPalLayerSettings::FontSizeUnit );
registerDataDefinedButton( mFontColorDDBtn, QgsPalLayerSettings::Color );
registerDataDefinedButton( mFontTranspDDBtn, QgsPalLayerSettings::FontTransp );
registerDataDefinedButton( mFontOpacityDDBtn, QgsPalLayerSettings::FontOpacity );
registerDataDefinedButton( mFontCaseDDBtn, QgsPalLayerSettings::FontCase );
registerDataDefinedButton( mFontLetterSpacingDDBtn, QgsPalLayerSettings::FontLetterSpacing );
registerDataDefinedButton( mFontWordSpacingDDBtn, QgsPalLayerSettings::FontWordSpacing );
Expand Down Expand Up @@ -475,7 +475,7 @@ void QgsLabelingGui::populateDataDefinedButtons()
registerDataDefinedButton( mBufferSizeDDBtn, QgsPalLayerSettings::BufferSize );
registerDataDefinedButton( mBufferUnitsDDBtn, QgsPalLayerSettings::BufferUnit );
registerDataDefinedButton( mBufferColorDDBtn, QgsPalLayerSettings::BufferColor );
registerDataDefinedButton( mBufferTranspDDBtn, QgsPalLayerSettings::BufferTransp );
registerDataDefinedButton( mBufferOpacityDDBtn, QgsPalLayerSettings::BufferOpacity );
registerDataDefinedButton( mBufferJoinStyleDDBtn, QgsPalLayerSettings::BufferJoinStyle );
registerDataDefinedButton( mBufferBlendModeDDBtn, QgsPalLayerSettings::BufferBlendMode );

Expand All @@ -494,7 +494,7 @@ void QgsLabelingGui::populateDataDefinedButtons()
registerDataDefinedButton( mShapeOffsetUnitsDDBtn, QgsPalLayerSettings::ShapeOffsetUnits );
registerDataDefinedButton( mShapeRadiusDDBtn, QgsPalLayerSettings::ShapeRadii );
registerDataDefinedButton( mShapeRadiusUnitsDDBtn, QgsPalLayerSettings::ShapeRadiiUnits );
registerDataDefinedButton( mShapeTranspDDBtn, QgsPalLayerSettings::ShapeTransparency );
registerDataDefinedButton( mShapeOpacityDDBtn, QgsPalLayerSettings::ShapeOpacity );
registerDataDefinedButton( mShapeBlendModeDDBtn, QgsPalLayerSettings::ShapeBlendMode );
registerDataDefinedButton( mShapeFillColorDDBtn, QgsPalLayerSettings::ShapeFillColor );
registerDataDefinedButton( mShapeStrokeColorDDBtn, QgsPalLayerSettings::ShapeStrokeColor );
Expand All @@ -511,7 +511,7 @@ void QgsLabelingGui::populateDataDefinedButtons()
registerDataDefinedButton( mShadowOffsetUnitsDDBtn, QgsPalLayerSettings::ShadowOffsetUnits );
registerDataDefinedButton( mShadowRadiusDDBtn, QgsPalLayerSettings::ShadowRadius );
registerDataDefinedButton( mShadowRadiusUnitsDDBtn, QgsPalLayerSettings::ShadowRadiusUnits );
registerDataDefinedButton( mShadowTranspDDBtn, QgsPalLayerSettings::ShadowTransparency );
registerDataDefinedButton( mShadowOpacityDDBtn, QgsPalLayerSettings::ShadowOpacity );
registerDataDefinedButton( mShadowScaleDDBtn, QgsPalLayerSettings::ShadowScale );
registerDataDefinedButton( mShadowColorDDBtn, QgsPalLayerSettings::ShadowColor );
registerDataDefinedButton( mShadowBlendDDBtn, QgsPalLayerSettings::ShadowBlendMode );
Expand Down
2 changes: 1 addition & 1 deletion src/core/qgslegendsettings.h
View file
Expand Up @@ -245,7 +245,7 @@ class CORE_EXPORT QgsLegendSettings
//! Conversion ratio between millimeters and map units - for symbols with size given in map units
double mMmPerMapUnit;

//! Whether to use advanced effects like transparency for symbols - may require their rasterization
//! Whether to use advanced effects like opacity for symbols - may require their rasterization
bool mUseAdvancedEffects;

//! Denominator of map's scale
Expand Down
106 changes: 75 additions & 31 deletions src/core/qgspallabeling.cpp
View file
Expand Up @@ -115,6 +115,7 @@ void QgsPalLayerSettings::initPropertyDefinitions()
},
{ QgsPalLayerSettings::FontSizeUnit, QgsPropertyDefinition( "FontSizeUnit", QObject::tr( "Font size units" ), QgsPropertyDefinition::RenderUnits ) },
{ QgsPalLayerSettings::FontTransp, QgsPropertyDefinition( "FontTransp", QObject::tr( "Text transparency" ), QgsPropertyDefinition::Transparency ) },
{ QgsPalLayerSettings::FontOpacity, QgsPropertyDefinition( "FontOpacity", QObject::tr( "Text opacity" ), QgsPropertyDefinition::Transparency ) },
{ QgsPalLayerSettings::FontCase, QgsPropertyDefinition( "FontCase", QgsPropertyDefinition::DataTypeString, QObject::tr( "Font case" ), QObject::tr( "string " ) + QStringLiteral( "[<b>NoChange</b>|<b>Upper</b>|<br><b>Lower</b>|<b>Capitalize</b>]" ) ) },
{ QgsPalLayerSettings::FontLetterSpacing, QgsPropertyDefinition( "FontLetterSpacing", QObject::tr( "Letter spacing" ), QgsPropertyDefinition::Double ) },
{ QgsPalLayerSettings::FontWordSpacing, QgsPropertyDefinition( "FontWordSpacing", QObject::tr( "Word spacing" ), QgsPropertyDefinition::Double ) },
Expand All @@ -135,6 +136,7 @@ void QgsPalLayerSettings::initPropertyDefinitions()
{ QgsPalLayerSettings::BufferUnit, QgsPropertyDefinition( "BufferUnit", QObject::tr( "Buffer units" ), QgsPropertyDefinition::RenderUnits ) },
{ QgsPalLayerSettings::BufferColor, QgsPropertyDefinition( "BufferColor", QObject::tr( "Buffer color" ), QgsPropertyDefinition::ColorNoAlpha ) },
{ QgsPalLayerSettings::BufferTransp, QgsPropertyDefinition( "BufferTransp", QObject::tr( "Buffer transparency" ), QgsPropertyDefinition::Transparency ) },
{ QgsPalLayerSettings::BufferOpacity, QgsPropertyDefinition( "BufferOpacity", QObject::tr( "Buffer opacity" ), QgsPropertyDefinition::Transparency ) },
{ QgsPalLayerSettings::BufferJoinStyle, QgsPropertyDefinition( "BufferJoinStyle", QObject::tr( "Buffer join style" ), QgsPropertyDefinition::PenJoinStyle ) },
{ QgsPalLayerSettings::BufferBlendMode, QgsPropertyDefinition( "BufferBlendMode", QObject::tr( "Buffer blend mode" ), QgsPropertyDefinition::BlendMode ) },
{ QgsPalLayerSettings::ShapeDraw, QgsPropertyDefinition( "ShapeDraw", QObject::tr( "Draw shape" ), QgsPropertyDefinition::Boolean ) },
Expand All @@ -154,6 +156,7 @@ void QgsPalLayerSettings::initPropertyDefinitions()
{ QgsPalLayerSettings::ShapeRadii, QgsPropertyDefinition( "ShapeRadii", QObject::tr( "Shape radii" ), QgsPropertyDefinition::Size2D ) },
{ QgsPalLayerSettings::ShapeRadiiUnits, QgsPropertyDefinition( "ShapeRadiiUnits", QObject::tr( "Symbol radii units" ), QgsPropertyDefinition::RenderUnits ) },
{ QgsPalLayerSettings::ShapeTransparency, QgsPropertyDefinition( "ShapeTransparency", QObject::tr( "Shape transparency" ), QgsPropertyDefinition::Transparency ) },
{ QgsPalLayerSettings::ShapeOpacity, QgsPropertyDefinition( "ShapeOpacity", QObject::tr( "Shape opacity" ), QgsPropertyDefinition::Transparency ) },
{ QgsPalLayerSettings::ShapeBlendMode, QgsPropertyDefinition( "ShapeBlendMode", QObject::tr( "Shape blend mode" ), QgsPropertyDefinition::BlendMode ) },
{ QgsPalLayerSettings::ShapeFillColor, QgsPropertyDefinition( "ShapeFillColor", QObject::tr( "Shape fill color" ), QgsPropertyDefinition::ColorWithAlpha ) },
{ QgsPalLayerSettings::ShapeStrokeColor, QgsPropertyDefinition( "ShapeBorderColor", QObject::tr( "Shape stroke color" ), QgsPropertyDefinition::ColorWithAlpha ) },
Expand All @@ -171,6 +174,7 @@ void QgsPalLayerSettings::initPropertyDefinitions()
{ QgsPalLayerSettings::ShadowRadius, QgsPropertyDefinition( "ShadowRadius", QObject::tr( "Shadow blur radius" ), QgsPropertyDefinition::DoublePositive ) },
{ QgsPalLayerSettings::ShadowRadiusUnits, QgsPropertyDefinition( "ShadowRadiusUnits", QObject::tr( "Shadow blur units" ), QgsPropertyDefinition::RenderUnits ) },
{ QgsPalLayerSettings::ShadowTransparency, QgsPropertyDefinition( "ShadowTransparency", QObject::tr( "Shadow transparency" ), QgsPropertyDefinition::Transparency ) },
{ QgsPalLayerSettings::ShadowOpacity, QgsPropertyDefinition( "ShadowOpacity", QObject::tr( "Shadow opacity" ), QgsPropertyDefinition::Transparency ) },
{ QgsPalLayerSettings::ShadowScale, QgsPropertyDefinition( "ShadowScale", QObject::tr( "Shadow scale" ), QgsPropertyDefinition::IntegerPositive ) },
{ QgsPalLayerSettings::ShadowColor, QgsPropertyDefinition( "ShadowColor", QObject::tr( "Shadow color" ), QgsPropertyDefinition::ColorNoAlpha ) },
{ QgsPalLayerSettings::ShadowBlendMode, QgsPropertyDefinition( "ShadowBlendMode", QObject::tr( "Shadow blend mode" ), QgsPropertyDefinition::BlendMode ) },
Expand Down Expand Up @@ -666,6 +670,27 @@ void QgsPalLayerSettings::readFromLayerCustomProperties( QgsVectorLayer *layer )
// read QGIS 2.x style data defined properties
readOldDataDefinedPropertyMap( layer, nullptr );
}
// upgrade older data defined settings
if ( mDataDefinedProperties.isActive( FontTransp ) )
{
mDataDefinedProperties.setProperty( FontOpacity, QgsProperty::fromExpression( QStringLiteral( "100 - (%1)" ).arg( mDataDefinedProperties.property( FontTransp ).asExpression() ) ) );
mDataDefinedProperties.setProperty( FontTransp, QgsProperty() );
}
if ( mDataDefinedProperties.isActive( BufferTransp ) )
{
mDataDefinedProperties.setProperty( BufferOpacity, QgsProperty::fromExpression( QStringLiteral( "100 - (%1)" ).arg( mDataDefinedProperties.property( BufferTransp ).asExpression() ) ) );
mDataDefinedProperties.setProperty( BufferTransp, QgsProperty() );
}
if ( mDataDefinedProperties.isActive( ShapeTransparency ) )
{
mDataDefinedProperties.setProperty( ShapeOpacity, QgsProperty::fromExpression( QStringLiteral( "100 - (%1)" ).arg( mDataDefinedProperties.property( ShapeTransparency ).asExpression() ) ) );
mDataDefinedProperties.setProperty( ShapeTransparency, QgsProperty() );
}
if ( mDataDefinedProperties.isActive( ShadowTransparency ) )
{
mDataDefinedProperties.setProperty( ShadowOpacity, QgsProperty::fromExpression( QStringLiteral( "100 - (%1)" ).arg( mDataDefinedProperties.property( ShadowTransparency ).asExpression() ) ) );
mDataDefinedProperties.setProperty( ShadowTransparency, QgsProperty() );
}
}

void QgsPalLayerSettings::readXml( QDomElement &elem, const QgsReadWriteContext &context )
Expand Down Expand Up @@ -785,14 +810,33 @@ void QgsPalLayerSettings::readXml( QDomElement &elem, const QgsReadWriteContext
QDomElement ddElem = elem.firstChildElement( QStringLiteral( "data-defined" ) );
readOldDataDefinedPropertyMap( nullptr, &ddElem );
}
// upgrade older data defined settings
if ( mDataDefinedProperties.isActive( FontTransp ) )
{
mDataDefinedProperties.setProperty( FontOpacity, QgsProperty::fromExpression( QStringLiteral( "100 - (%1)" ).arg( mDataDefinedProperties.property( FontTransp ).asExpression() ) ) );
mDataDefinedProperties.setProperty( FontTransp, QgsProperty() );
}
if ( mDataDefinedProperties.isActive( BufferTransp ) )
{
mDataDefinedProperties.setProperty( BufferOpacity, QgsProperty::fromExpression( QStringLiteral( "100 - (%1)" ).arg( mDataDefinedProperties.property( BufferTransp ).asExpression() ) ) );
mDataDefinedProperties.setProperty( BufferTransp, QgsProperty() );
}
if ( mDataDefinedProperties.isActive( ShapeTransparency ) )
{
mDataDefinedProperties.setProperty( ShapeOpacity, QgsProperty::fromExpression( QStringLiteral( "100 - (%1)" ).arg( mDataDefinedProperties.property( ShapeTransparency ).asExpression() ) ) );
mDataDefinedProperties.setProperty( ShapeTransparency, QgsProperty() );
}
if ( mDataDefinedProperties.isActive( ShadowTransparency ) )
{
mDataDefinedProperties.setProperty( ShadowOpacity, QgsProperty::fromExpression( QStringLiteral( "100 - (%1)" ).arg( mDataDefinedProperties.property( ShadowTransparency ).asExpression() ) ) );
mDataDefinedProperties.setProperty( ShadowTransparency, QgsProperty() );
}
}



QDomElement QgsPalLayerSettings::writeXml( QDomDocument &doc, const QgsReadWriteContext &context )
{


QDomElement textStyleElem = mFormat.writeXml( doc, context );

// text style
Expand Down Expand Up @@ -1976,10 +2020,10 @@ bool QgsPalLayerSettings::dataDefinedValEval( DataDefinedValueType valType,
}
return false;
}
case DDTransparency:
case DDOpacity:
{
bool ok;
int size = exprVal.toInt( &ok );
int size = exprVal.toDouble( &ok );
if ( ok && size >= 0 && size <= 100 )
{
dataDefinedValues.insert( p, QVariant( size ) );
Expand Down Expand Up @@ -2200,8 +2244,8 @@ void QgsPalLayerSettings::parseTextStyle( QFont &labelFont,
// data defined font color?
dataDefinedValEval( DDColor, QgsPalLayerSettings::Color, exprVal, context.expressionContext(), QgsSymbolLayerUtils::encodeColor( mFormat.color() ) );

// data defined font transparency?
dataDefinedValEval( DDTransparency, QgsPalLayerSettings::FontTransp, exprVal, context.expressionContext(), 100 - mFormat.opacity() * 100 );
// data defined font opacity?
dataDefinedValEval( DDOpacity, QgsPalLayerSettings::FontOpacity, exprVal, context.expressionContext(), mFormat.opacity() * 100 );

// data defined font blend mode?
dataDefinedValEval( DDBlendMode, QgsPalLayerSettings::FontBlendMode, exprVal, context.expressionContext() );
Expand Down Expand Up @@ -2234,19 +2278,19 @@ void QgsPalLayerSettings::parseTextBuffer( QgsRenderContext &context )
}

// data defined buffer transparency?
int bufTransp = 100 - buffer.opacity() * 100;
if ( dataDefinedValEval( DDTransparency, QgsPalLayerSettings::BufferTransp, exprVal, context.expressionContext(), bufTransp ) )
double bufferOpacity = buffer.opacity() * 100;
if ( dataDefinedValEval( DDOpacity, QgsPalLayerSettings::BufferOpacity, exprVal, context.expressionContext(), bufferOpacity ) )
{
bufTransp = exprVal.toInt();
bufferOpacity = exprVal.toDouble();
}

drawBuffer = ( drawBuffer && bufrSize > 0.0 && bufTransp < 100 );
drawBuffer = ( drawBuffer && bufrSize > 0.0 && bufferOpacity > 0 );

if ( !drawBuffer )
{
dataDefinedValues.insert( QgsPalLayerSettings::BufferDraw, QVariant( false ) ); // trigger value
dataDefinedValues.remove( QgsPalLayerSettings::BufferSize );
dataDefinedValues.remove( QgsPalLayerSettings::BufferTransp );
dataDefinedValues.remove( QgsPalLayerSettings::BufferOpacity );
return; // don't bother evaluating values that won't be used
}

Expand Down Expand Up @@ -2371,18 +2415,18 @@ void QgsPalLayerSettings::parseShapeBackground( QgsRenderContext &context )
}

// data defined shape transparency?
int shapeTransp = 100 - background.opacity() * 100;
if ( dataDefinedValEval( DDTransparency, QgsPalLayerSettings::ShapeTransparency, exprVal, context.expressionContext(), shapeTransp ) )
double shapeOpacity = background.opacity() * 100;
if ( dataDefinedValEval( DDOpacity, QgsPalLayerSettings::ShapeOpacity, exprVal, context.expressionContext(), shapeOpacity ) )
{
shapeTransp = exprVal.toInt();
shapeOpacity = 100.0 * exprVal.toDouble();
}

drawShape = ( drawShape && shapeTransp < 100 ); // size is not taken into account (could be)
drawShape = ( drawShape && shapeOpacity > 0 ); // size is not taken into account (could be)

if ( !drawShape )
{
dataDefinedValues.insert( QgsPalLayerSettings::ShapeDraw, QVariant( false ) ); // trigger value
dataDefinedValues.remove( QgsPalLayerSettings::ShapeTransparency );
dataDefinedValues.remove( QgsPalLayerSettings::ShapeOpacity );
return; // don't bother evaluating values that won't be used
}

Expand Down Expand Up @@ -2490,7 +2534,7 @@ void QgsPalLayerSettings::parseShapeBackground( QgsRenderContext &context )
if ( skip )
{
dataDefinedValues.insert( QgsPalLayerSettings::ShapeDraw, QVariant( false ) ); // trigger value
dataDefinedValues.remove( QgsPalLayerSettings::ShapeTransparency );
dataDefinedValues.remove( QgsPalLayerSettings::ShapeOpacity );
dataDefinedValues.remove( QgsPalLayerSettings::ShapeKind );
dataDefinedValues.remove( QgsPalLayerSettings::ShapeSVGFile );
dataDefinedValues.remove( QgsPalLayerSettings::ShapeSizeX );
Expand Down Expand Up @@ -2579,10 +2623,10 @@ void QgsPalLayerSettings::parseDropShadow( QgsRenderContext &context )
}

// data defined shadow transparency?
int shadowTransp = 100 - shadow.opacity() * 100;
if ( dataDefinedValEval( DDTransparency, QgsPalLayerSettings::ShadowTransparency, exprVal, context.expressionContext(), shadowTransp ) )
double shadowOpacity = shadow.opacity() * 100;
if ( dataDefinedValEval( DDOpacity, QgsPalLayerSettings::ShadowOpacity, exprVal, context.expressionContext(), shadowOpacity ) )
{
shadowTransp = exprVal.toInt();
shadowOpacity = exprVal.toDouble();
}

// data defined shadow offset distance?
Expand All @@ -2599,12 +2643,12 @@ void QgsPalLayerSettings::parseDropShadow( QgsRenderContext &context )
shadowRad = exprVal.toDouble();
}

drawShadow = ( drawShadow && shadowTransp < 100 && !( shadowOffDist == 0.0 && shadowRad == 0.0 ) );
drawShadow = ( drawShadow && shadowOpacity > 0 && !( shadowOffDist == 0.0 && shadowRad == 0.0 ) );

if ( !drawShadow )
{
dataDefinedValues.insert( QgsPalLayerSettings::ShadowDraw, QVariant( false ) ); // trigger value
dataDefinedValues.remove( QgsPalLayerSettings::ShadowTransparency );
dataDefinedValues.remove( QgsPalLayerSettings::ShadowOpacity );
dataDefinedValues.remove( QgsPalLayerSettings::ShadowOffsetDist );
dataDefinedValues.remove( QgsPalLayerSettings::ShadowRadius );
return; // don't bother evaluating values that won't be used
Expand Down Expand Up @@ -2861,9 +2905,9 @@ void QgsPalLabeling::dataDefinedTextStyle( QgsPalLayerSettings &tmpLyr,
}

//font transparency
if ( ddValues.contains( QgsPalLayerSettings::FontTransp ) )
if ( ddValues.contains( QgsPalLayerSettings::FontOpacity ) )
{
format.setOpacity( 1.0 - ddValues.value( QgsPalLayerSettings::FontTransp ).toInt() / 100.0 );
format.setOpacity( ddValues.value( QgsPalLayerSettings::FontOpacity ).toDouble() / 100.0 );
changed = true;
}

Expand Down Expand Up @@ -2968,10 +3012,10 @@ void QgsPalLabeling::dataDefinedTextBuffer( QgsPalLayerSettings &tmpLyr,
changed = true;
}

//buffer transparency
if ( ddValues.contains( QgsPalLayerSettings::BufferTransp ) )
//buffer opacity
if ( ddValues.contains( QgsPalLayerSettings::BufferOpacity ) )
{
buffer.setOpacity( 1.0 - ddValues.value( QgsPalLayerSettings::BufferTransp ).toInt() / 100.0 );
buffer.setOpacity( ddValues.value( QgsPalLayerSettings::BufferOpacity ).toDouble() / 100.0 );
changed = true;
}

Expand Down Expand Up @@ -3132,9 +3176,9 @@ void QgsPalLabeling::dataDefinedShapeBackground( QgsPalLayerSettings &tmpLyr,
changed = true;
}

if ( ddValues.contains( QgsPalLayerSettings::ShapeTransparency ) )
if ( ddValues.contains( QgsPalLayerSettings::ShapeOpacity ) )
{
background.setOpacity( 1.0 - ddValues.value( QgsPalLayerSettings::ShapeTransparency ).toInt() / 100.0 );
background.setOpacity( ddValues.value( QgsPalLayerSettings::ShapeOpacity ).toDouble() / 100.0 );
changed = true;
}

Expand Down Expand Up @@ -3231,9 +3275,9 @@ void QgsPalLabeling::dataDefinedDropShadow( QgsPalLayerSettings &tmpLyr,
changed = true;
}

if ( ddValues.contains( QgsPalLayerSettings::ShadowTransparency ) )
if ( ddValues.contains( QgsPalLayerSettings::ShadowOpacity ) )
{
shadow.setOpacity( 1.0 - ddValues.value( QgsPalLayerSettings::ShadowTransparency ).toInt() / 100.0 );
shadow.setOpacity( ddValues.value( QgsPalLayerSettings::ShadowOpacity ).toDouble() / 100.0 );
changed = true;
}

Expand Down

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