31#include <QFontDatabase>
38 d =
new QgsTextSettingsPrivate();
42 : mBufferSettings( other.mBufferSettings )
43 , mBackgroundSettings( other.mBackgroundSettings )
44 , mShadowSettings( other.mShadowSettings )
45 , mMaskSettings( other.mMaskSettings )
46 , mTextFontFamily( other.mTextFontFamily )
47 , mTextFontFound( other.mTextFontFound )
56 mBufferSettings = other.mBufferSettings;
57 mBackgroundSettings = other.mBackgroundSettings;
58 mShadowSettings = other.mShadowSettings;
59 mMaskSettings = other.mMaskSettings;
60 mTextFontFamily = other.mTextFontFamily;
61 mTextFontFound = other.mTextFontFound;
72 if ( d->isValid != other.
isValid()
73 || d->textFont != other.
font()
75 || d->fontSizeUnits != other.
sizeUnit()
77 || d->fontSize != other.
size()
78 || d->textColor != other.
color()
79 || d->opacity != other.
opacity()
93 || mBufferSettings != other.mBufferSettings
94 || mBackgroundSettings != other.mBackgroundSettings
95 || mShadowSettings != other.mShadowSettings
96 || mMaskSettings != other.mMaskSettings
106 return !( *
this == other );
122 return mBufferSettings;
128 mBufferSettings = bufferSettings;
134 return mBackgroundSettings;
140 mBackgroundSettings = backgroundSettings;
146 return mShadowSettings;
152 mShadowSettings = shadowSettings;
158 return mMaskSettings;
164 mMaskSettings = maskSettings;
177 QFont
font = d->textFont;
178 if ( scaleFactor == 1 )
181 d->fontSizeMapUnitScale );
182 if ( fontPixelSize == 0 )
189 font.setPixelSize( fontPixelSize );
193 double fontPixelSize = context.
convertToPainterUnits( d->fontSize, d->fontSizeUnits, d->fontSizeMapUnitScale );
200 const int roundedPixelSize =
static_cast< int >( std::round( scaleFactor * fontPixelSize + 0.5 ) );
201 font.setPixelSize( roundedPixelSize );
204 font.setLetterSpacing( QFont::AbsoluteSpacing, context.
convertToPainterUnits( d->textFont.letterSpacing(), d->fontSizeUnits, d->fontSizeMapUnitScale ) * scaleFactor );
205 font.setWordSpacing( context.
convertToPainterUnits( d->textFont.wordSpacing(), d->fontSizeUnits, d->fontSizeMapUnitScale ) * scaleFactor * scaleFactor );
209 font.setCapitalization( QFont::SmallCaps );
218 d->originalFontFamily.clear();
223 if ( !d->textNamedStyle.isEmpty() )
224 return d->textNamedStyle;
227 return db.styleString( d->textFont );
234 d->textNamedStyle = style;
239 return d->forcedBold;
245 d->textFont.setBold( forced );
246 d->forcedBold =
true;
251 return d->forcedItalic;
257 d->textFont.setItalic( forced );
258 d->forcedItalic =
true;
274 return d->fontSizeUnits;
280 d->fontSizeUnits = unit;
285 return d->fontSizeMapUnitScale;
291 d->fontSizeMapUnitScale = scale;
313 d->textColor =
color;
325 d->opacity *= opacityFactor;
340 return d->textFont.stretch() > 0 ? d->textFont.stretch() : 100;
346 d->textFont.setStretch( factor );
362 return d->multilineHeight;
368 d->multilineHeight = height;
373 return d->multilineHeightUnits;
379 d->multilineHeightUnits = unit;
384 return d->tabStopDistance;
390 d->tabStopDistance = distance;
395 return d->tabPositions;
401 d->tabPositions = positions;
406 return d->tabStopDistanceUnits;
412 d->tabStopDistanceUnits = unit;
417 return d->tabStopDistanceMapUnitScale;
423 d->tabStopDistanceMapUnitScale = scale;
428 return d->orientation;
442 : d->capitalization ;
449#if defined(HAS_KDE_QT5_SMALL_CAPS_FIX) || QT_VERSION >= QT_VERSION_CHECK(6, 3, 0)
452 d->textFont.setCapitalization( QFont::MixedCase );
458 return d->allowHtmlFormatting;
464 d->allowHtmlFormatting = allow;
469 return d->previewBackgroundColor;
475 d->previewBackgroundColor =
color;
481 QFont appFont = QApplication::font();
483 mTextFontFamily = d->originalFontFamily;
484 QString fontFamily = mTextFontFamily;
488 mTextFontFound =
false;
494 fontFamily = appFont.family();
498 mTextFontFound =
true;
503 d->fontSize = appFont.pointSizeF();
507 d->fontSize = layer->
customProperty( QStringLiteral(
"labeling/fontSize" ) ).toDouble();
510 if ( layer->
customProperty( QStringLiteral(
"labeling/fontSizeUnit" ) ).toString().isEmpty() )
512 d->fontSizeUnits = layer->
customProperty( QStringLiteral(
"labeling/fontSizeInMapUnits" ), QVariant(
false ) ).toBool() ?
522 if ( layer->
customProperty( QStringLiteral(
"labeling/fontSizeMapUnitScale" ) ).toString().isEmpty() )
525 double oldMin = layer->
customProperty( QStringLiteral(
"labeling/fontSizeMapUnitMinScale" ), 0.0 ).toDouble();
526 d->fontSizeMapUnitScale.minScale = oldMin != 0 ? 1.0 / oldMin : 0;
527 double oldMax = layer->
customProperty( QStringLiteral(
"labeling/fontSizeMapUnitMaxScale" ), 0.0 ).toDouble();
528 d->fontSizeMapUnitScale.maxScale = oldMax != 0 ? 1.0 / oldMax : 0;
534 int fontWeight = layer->
customProperty( QStringLiteral(
"labeling/fontWeight" ) ).toInt();
535 bool fontItalic = layer->
customProperty( QStringLiteral(
"labeling/fontItalic" ) ).toBool();
540 d->textFont.setUnderline( layer->
customProperty( QStringLiteral(
"labeling/fontUnderline" ) ).toBool() );
541 d->textFont.setStrikeOut( layer->
customProperty( QStringLiteral(
"labeling/fontStrikeout" ) ).toBool() );
542 d->textFont.setLetterSpacing( QFont::AbsoluteSpacing, layer->
customProperty( QStringLiteral(
"labeling/fontLetterSpacing" ), QVariant( 0.0 ) ).toDouble() );
543 d->textFont.setWordSpacing( layer->
customProperty( QStringLiteral(
"labeling/fontWordSpacing" ), QVariant( 0.0 ) ).toDouble() );
545 if ( layer->
customProperty( QStringLiteral(
"labeling/textOpacity" ) ).toString().isEmpty() )
547 d->opacity = ( 1 - layer->
customProperty( QStringLiteral(
"labeling/textTransp" ) ).toInt() / 100.0 );
551 d->opacity = ( layer->
customProperty( QStringLiteral(
"labeling/textOpacity" ) ).toDouble() );
555 d->multilineHeight = layer->
customProperty( QStringLiteral(
"labeling/multilineHeight" ), QVariant( 1.0 ) ).toDouble();
566 QDomElement textStyleElem;
567 if ( elem.nodeName() == QLatin1String(
"text-style" ) )
568 textStyleElem = elem;
570 textStyleElem = elem.firstChildElement( QStringLiteral(
"text-style" ) );
571 QFont appFont = QApplication::font();
573 mTextFontFamily = d->originalFontFamily;
574 QString fontFamily = mTextFontFamily;
576 const QDomElement familiesElem = textStyleElem.firstChildElement( QStringLiteral(
"families" ) );
577 const QDomNodeList familyNodes = familiesElem.childNodes();
579 families.reserve( familyNodes.size() );
580 for (
int i = 0; i < familyNodes.count(); ++i )
582 const QDomElement familyElem = familyNodes.at( i ).toElement();
583 families << familyElem.attribute( QStringLiteral(
"name" ) );
587 mTextFontFound =
false;
593 mTextFontFound =
true;
597 for (
const QString &family : std::as_const(
families ) )
603 mTextFontFound =
true;
604 fontFamily = processedFamily;
609 if ( !mTextFontFound )
612 fontFamily = appFont.family();
618 mTextFontFound =
true;
621 if ( !mTextFontFound )
623 context.
pushMessage( QObject::tr(
"Font “%1” not available on system" ).arg( mTextFontFamily ) );
626 if ( textStyleElem.hasAttribute( QStringLiteral(
"fontSize" ) ) )
628 d->fontSize = textStyleElem.attribute( QStringLiteral(
"fontSize" ) ).toDouble();
632 d->fontSize = appFont.pointSizeF();
635 if ( !textStyleElem.hasAttribute( QStringLiteral(
"fontSizeUnit" ) ) )
637 d->fontSizeUnits = textStyleElem.attribute( QStringLiteral(
"fontSizeInMapUnits" ) ).toUInt() == 0 ?
Qgis::RenderUnit::Points
645 if ( !textStyleElem.hasAttribute( QStringLiteral(
"fontSizeMapUnitScale" ) ) )
648 double oldMin = textStyleElem.attribute( QStringLiteral(
"fontSizeMapUnitMinScale" ), QStringLiteral(
"0" ) ).toDouble();
649 d->fontSizeMapUnitScale.minScale = oldMin != 0 ? 1.0 / oldMin : 0;
650 double oldMax = textStyleElem.attribute( QStringLiteral(
"fontSizeMapUnitMaxScale" ), QStringLiteral(
"0" ) ).toDouble();
651 d->fontSizeMapUnitScale.maxScale = oldMax != 0 ? 1.0 / oldMax : 0;
657 int fontWeight = textStyleElem.attribute( QStringLiteral(
"fontWeight" ) ).toInt();
658 bool fontItalic = textStyleElem.attribute( QStringLiteral(
"fontItalic" ) ).toInt();
660 d->textFont.setPointSizeF( d->fontSize );
663 d->forcedBold = textStyleElem.attribute( QStringLiteral(
"forcedBold" ) ).toInt();
664 d->forcedItalic = textStyleElem.attribute( QStringLiteral(
"forcedItalic" ) ).toInt();
665 d->textFont.setUnderline( textStyleElem.attribute( QStringLiteral(
"fontUnderline" ) ).toInt() );
666 d->textFont.setStrikeOut( textStyleElem.attribute( QStringLiteral(
"fontStrikeout" ) ).toInt() );
667 d->textFont.setKerning( textStyleElem.attribute( QStringLiteral(
"fontKerning" ), QStringLiteral(
"1" ) ).toInt() );
668 d->textFont.setLetterSpacing( QFont::AbsoluteSpacing, textStyleElem.attribute( QStringLiteral(
"fontLetterSpacing" ), QStringLiteral(
"0" ) ).toDouble() );
669 d->textFont.setWordSpacing( textStyleElem.attribute( QStringLiteral(
"fontWordSpacing" ), QStringLiteral(
"0" ) ).toDouble() );
671 if ( !textStyleElem.hasAttribute( QStringLiteral(
"textOpacity" ) ) )
673 d->opacity = ( 1 - textStyleElem.attribute( QStringLiteral(
"textTransp" ) ).toInt() / 100.0 );
677 d->opacity = ( textStyleElem.attribute( QStringLiteral(
"textOpacity" ) ).toDouble() );
679#if defined(HAS_KDE_QT5_FONT_STRETCH_FIX) || (QT_VERSION >= QT_VERSION_CHECK(6, 3, 0))
680 d->textFont.setStretch( textStyleElem.attribute( QStringLiteral(
"stretchFactor" ), QStringLiteral(
"100" ) ).toInt() );
688 if ( !textStyleElem.hasAttribute( QStringLiteral(
"multilineHeight" ) ) )
690 QDomElement textFormatElem = elem.firstChildElement( QStringLiteral(
"text-format" ) );
691 d->multilineHeight = textFormatElem.attribute( QStringLiteral(
"multilineHeight" ), QStringLiteral(
"1" ) ).toDouble();
695 d->multilineHeight = textStyleElem.attribute( QStringLiteral(
"multilineHeight" ), QStringLiteral(
"1" ) ).toDouble();
698 d->multilineHeightUnits =
QgsUnitTypes::decodeRenderUnit( textStyleElem.attribute( QStringLiteral(
"multilineHeightUnit" ), QStringLiteral(
"percent" ) ), &ok );
700 d->tabStopDistance = textStyleElem.attribute( QStringLiteral(
"tabStopDistance" ), QStringLiteral(
"80" ) ).toDouble();
701 d->tabStopDistanceUnits =
QgsUnitTypes::decodeRenderUnit( textStyleElem.attribute( QStringLiteral(
"tabStopDistanceUnit" ), QStringLiteral(
"Point" ) ), &ok );
706 const QDomElement tabPositionsElem = textStyleElem.firstChildElement( QStringLiteral(
"tabPositions" ) );
707 const QDomNodeList tabNodes = tabPositionsElem.childNodes();
709 for (
int i = 0; i < tabNodes.count(); ++i )
711 const QDomElement tabElem = tabNodes.at( i ).toElement();
712 tabPositions <<
Tab( tabElem.attribute( QStringLiteral(
"position" ) ).toDouble() );
717 if ( textStyleElem.hasAttribute( QStringLiteral(
"capitalization" ) ) )
720 d->capitalization =
static_cast< Qgis::Capitalization >( textStyleElem.attribute( QStringLiteral(
"fontCapitals" ), QStringLiteral(
"0" ) ).toUInt() );
723 d->textFont.setCapitalization( QFont::SmallCaps );
725 d->allowHtmlFormatting = textStyleElem.attribute( QStringLiteral(
"allowHtml" ), QStringLiteral(
"0" ) ).toInt();
727 if ( textStyleElem.firstChildElement( QStringLiteral(
"text-buffer" ) ).isNull() )
729 mBufferSettings.
readXml( elem );
733 mBufferSettings.
readXml( textStyleElem );
735 if ( textStyleElem.firstChildElement( QStringLiteral(
"text-mask" ) ).isNull() )
741 mMaskSettings.
readXml( textStyleElem );
743 if ( textStyleElem.firstChildElement( QStringLiteral(
"shadow" ) ).isNull() )
745 mShadowSettings.
readXml( elem );
749 mShadowSettings.
readXml( textStyleElem );
751 if ( textStyleElem.firstChildElement( QStringLiteral(
"background" ) ).isNull() )
753 mBackgroundSettings.
readXml( elem, context );
757 mBackgroundSettings.
readXml( textStyleElem, context );
760 QDomElement ddElem = textStyleElem.firstChildElement( QStringLiteral(
"dd_properties" ) );
761 if ( ddElem.isNull() )
763 ddElem = elem.firstChildElement( QStringLiteral(
"dd_properties" ) );
765 if ( !ddElem.isNull() )
772 d->mDataDefinedProperties.clear();
779 QDomElement textStyleElem = doc.createElement( QStringLiteral(
"text-style" ) );
780 textStyleElem.setAttribute( QStringLiteral(
"fontFamily" ), !d->originalFontFamily.isEmpty() ? d->originalFontFamily : d->textFont.family() );
782 QDomElement familiesElem = doc.createElement( QStringLiteral(
"families" ) );
783 for (
const QString &family : std::as_const( d->families ) )
785 QDomElement familyElem = doc.createElement( QStringLiteral(
"family" ) );
786 familyElem.setAttribute( QStringLiteral(
"name" ), family );
787 familiesElem.appendChild( familyElem );
789 textStyleElem.appendChild( familiesElem );
792 textStyleElem.setAttribute( QStringLiteral(
"fontSize" ), d->fontSize );
795 textStyleElem.setAttribute( QStringLiteral(
"fontWeight" ), d->textFont.weight() );
796 textStyleElem.setAttribute( QStringLiteral(
"fontItalic" ), d->textFont.italic() );
797 textStyleElem.setAttribute( QStringLiteral(
"fontStrikeout" ), d->textFont.strikeOut() );
798 textStyleElem.setAttribute( QStringLiteral(
"fontUnderline" ), d->textFont.underline() );
799 textStyleElem.setAttribute( QStringLiteral(
"forcedBold" ), d->forcedBold );
800 textStyleElem.setAttribute( QStringLiteral(
"forcedItalic" ), d->forcedItalic );
803 textStyleElem.setAttribute( QStringLiteral(
"fontLetterSpacing" ), d->textFont.letterSpacing() );
804 textStyleElem.setAttribute( QStringLiteral(
"fontWordSpacing" ), d->textFont.wordSpacing() );
805 textStyleElem.setAttribute( QStringLiteral(
"fontKerning" ), d->textFont.kerning() );
806 textStyleElem.setAttribute( QStringLiteral(
"textOpacity" ), d->opacity );
807#if defined(HAS_KDE_QT5_FONT_STRETCH_FIX) || (QT_VERSION >= QT_VERSION_CHECK(6, 3, 0))
808 if ( d->textFont.stretch() > 0 )
809 textStyleElem.setAttribute( QStringLiteral(
"stretchFactor" ), d->textFont.stretch() );
813 textStyleElem.setAttribute( QStringLiteral(
"multilineHeight" ), d->multilineHeight );
814 textStyleElem.setAttribute( QStringLiteral(
"multilineHeightUnit" ),
QgsUnitTypes::encodeUnit( d->multilineHeightUnits ) );
816 textStyleElem.setAttribute( QStringLiteral(
"tabStopDistance" ), d->tabStopDistance );
817 textStyleElem.setAttribute( QStringLiteral(
"tabStopDistanceUnit" ),
QgsUnitTypes::encodeUnit( d->tabStopDistanceUnits ) );
820 if ( !d->tabPositions.empty() )
822 QDomElement tabPositionsElem = doc.createElement( QStringLiteral(
"tabPositions" ) );
823 for (
const Tab &tab : std::as_const( d->tabPositions ) )
825 QDomElement tabElem = doc.createElement( QStringLiteral(
"tab" ) );
826 tabElem.setAttribute( QStringLiteral(
"position" ), tab.position() );
827 tabPositionsElem.appendChild( tabElem );
829 textStyleElem.appendChild( tabPositionsElem );
832 textStyleElem.setAttribute( QStringLiteral(
"allowHtml" ), d->allowHtmlFormatting ? QStringLiteral(
"1" ) : QStringLiteral(
"0" ) );
833 textStyleElem.setAttribute( QStringLiteral(
"capitalization" ), QString::number(
static_cast< int >( d->capitalization ) ) );
835 QDomElement ddElem = doc.createElement( QStringLiteral(
"dd_properties" ) );
838 textStyleElem.appendChild( mBufferSettings.
writeXml( doc ) );
839 textStyleElem.appendChild( mMaskSettings.
writeXml( doc ) );
840 textStyleElem.appendChild( mBackgroundSettings.
writeXml( doc, context ) );
841 textStyleElem.appendChild( mShadowSettings.
writeXml( doc ) );
842 textStyleElem.appendChild( ddElem );
844 return textStyleElem;
851 QMimeData *mimeData =
new QMimeData;
852 mimeData->setColorData( QVariant(
color() ) );
855 QDomDocument textDoc;
856 QDomElement textElem =
writeXml( textDoc, rwContext );
857 textDoc.appendChild( textElem );
858 mimeData->setText( textDoc.toString() );
867 if (
font.pointSizeF() > 0 )
872 else if (
font.pixelSize() > 0 )
887 f.setPointSizeF(
size() );
891 f.setPointSizeF(
size() * 2.83464567 );
895 f.setPointSizeF(
size() * 72 );
899 f.setPixelSize(
static_cast< int >( std::round(
size() ) ) );
920 QString text = data->text();
921 if ( !text.isEmpty() )
927 if ( doc.setContent( text ) )
929 elem = doc.documentElement();
931 format.
readXml( elem, rwContext );
942 if ( d->blendMode != QPainter::CompositionMode_SourceOver )
945 if ( mBufferSettings.
enabled() && mBufferSettings.
blendMode() != QPainter::CompositionMode_SourceOver )
948 if ( mBackgroundSettings.
enabled() && mBackgroundSettings.
blendMode() != QPainter::CompositionMode_SourceOver )
951 if ( mShadowSettings.
enabled() && mShadowSettings.
blendMode() != QPainter::CompositionMode_SourceOver )
960 return d->mDataDefinedProperties;
965 return d->mDataDefinedProperties;
970 QSet< QString > fields = d->mDataDefinedProperties.referencedFields( context.
expressionContext(),
true );
981 d->mDataDefinedProperties = collection;
987 if ( !d->mDataDefinedProperties.hasActiveProperties() )
990 QString ddFontFamily;
995 QString family = exprVal.toString().trimmed();
997 if ( d->textFont.family() != family )
1003 ddFontFamily = family;
1009 QString ddFontStyle;
1014 QString fontstyle = exprVal.toString().trimmed();
1015 ddFontStyle = fontstyle;
1018 bool ddBold =
false;
1025 bool ddItalic =
false;
1035 QFontDatabase fontDb;
1036 QFont appFont = QApplication::font();
1037 bool newFontBuilt =
false;
1038 if ( ddBold || ddItalic )
1042 newFontBuilt =
true;
1043 newFont.setBold( ddBold );
1044 newFont.setItalic( ddItalic );
1046 else if ( !ddFontStyle.isEmpty()
1047 && ddFontStyle.compare( QLatin1String(
"Ignore" ), Qt::CaseInsensitive ) != 0 )
1049 if ( !ddFontFamily.isEmpty() )
1052 QFont styledfont = fontDb.font( ddFontFamily, ddFontStyle, appFont.pointSize() );
1053 if ( appFont != styledfont )
1055 newFont = styledfont;
1056 newFontBuilt =
true;
1063 else if ( !ddFontFamily.isEmpty() )
1065 if ( ddFontStyle.compare( QLatin1String(
"Ignore" ), Qt::CaseInsensitive ) != 0 )
1068 QFont styledfont = fontDb.font( ddFontFamily, d->textNamedStyle, appFont.pointSize() );
1069 if ( appFont != styledfont )
1071 newFont = styledfont;
1072 newFontBuilt =
true;
1078 newFontBuilt =
true;
1085 newFont.setUnderline( d->textFont.underline() );
1086 newFont.setStrikeOut( d->textFont.strikeOut() );
1087 newFont.setWordSpacing( d->textFont.wordSpacing() );
1088 newFont.setLetterSpacing( QFont::AbsoluteSpacing, d->textFont.letterSpacing() );
1089 d->textFont = newFont;
1119 QString units = exprVal.toString();
1120 if ( !units.isEmpty() )
1125 d->fontSizeUnits = res;
1135 d->opacity = val.toDouble() / 100.0;
1139#if defined(HAS_KDE_QT5_FONT_STRETCH_FIX) || (QT_VERSION >= QT_VERSION_CHECK(6, 3, 0))
1146 d->textFont.setStretch( val.toInt() );
1164 d->textFont.setLetterSpacing( QFont::AbsoluteSpacing, val.toDouble() );
1174 d->textFont.setWordSpacing( val.toDouble() );
1184 if ( val.userType() == QMetaType::Type::QVariantList )
1186 const QVariantList parts = val.toList();
1187 d->tabPositions.clear();
1188 d->tabPositions.reserve( parts.size() );
1189 for (
const QVariant &part : parts )
1191 d->tabPositions.append(
Tab( part.toDouble() ) );
1194 else if ( val.userType() == QMetaType::Type::QStringList )
1196 const QStringList parts = val.toStringList();
1197 d->tabPositions.clear();
1198 d->tabPositions.reserve( parts.size() );
1199 for (
const QString &part : parts )
1201 d->tabPositions.append(
Tab( part.toDouble() ) );
1206 d->tabPositions.clear();
1207 d->tabStopDistance = val.toDouble();
1215 QString blendstr = exprVal.toString().trimmed();
1216 if ( !blendstr.isEmpty() )
1230 QPixmap pixmap(
size * devicePixelRatio );
1231 pixmap.fill( Qt::transparent );
1232 pixmap.setDevicePixelRatio( devicePixelRatio );
1235 painter.begin( &pixmap );
1237 painter.setRenderHint( QPainter::Antialiasing );
1239 const QRectF rect( 0, 0,
size.width(),
size.height() );
1242 painter.setPen( Qt::NoPen );
1244 if ( ( background1.lightnessF() < 0.7 ) )
1246 background1 = background1.darker( 125 );
1250 background1 = background1.lighter( 125 );
1253 QLinearGradient linearGrad( QPointF( 0, 0 ), QPointF( 0, rect.height() ) );
1254 linearGrad.setColorAt( 0, background1 );
1255 linearGrad.setColorAt( 1, background2 );
1256 painter.setBrush( QBrush( linearGrad ) );
1257 if (
size.width() > 30 )
1259 painter.drawRoundedRect( rect, 6, 6 );
1264 painter.drawRect( rect );
1266 painter.setBrush( Qt::NoBrush );
1267 painter.setPen( Qt::NoPen );
1281 QWidget *activeWindow = QApplication::activeWindow();
1282 if ( QScreen *screen = activeWindow ? activeWindow->screen() : nullptr )
1304 ? fontSize * tempFormat.
buffer().
size() / 100
1309 double ytrans = 0.0;
1312 ? fontSize * tempFormat.
buffer().
size() / 100
1317 const QStringList text = QStringList() << ( previewText.isEmpty() ? QObject::tr(
"Aa" ) : previewText );
1319 QRectF textRect = rect;
1320 textRect.setLeft( xtrans + padding );
1321 textRect.setWidth( rect.width() - xtrans - 2 * padding );
1323 if ( textRect.width() > 2000 )
1324 textRect.setWidth( 2000 - 2 * padding );
1326 const double bottom = textRect.height() / 2 + textHeight / 2;
1327 textRect.setTop( bottom - textHeight );
1328 textRect.setBottom( bottom );
1333 painter.setBrush( Qt::NoBrush );
1335 if (
size.width() > 30 )
1337 painter.drawRoundedRect( rect, 6, 6 );
1342 painter.drawRect( rect );
1355 css += QStringLiteral(
"line-height: %1%;" ).arg(
lineHeight() * 100 );
1358 css += QStringLiteral(
"line-height: %1px;" ).arg(
lineHeight() );
1362 css += QStringLiteral(
"line-height: %1px;" ).arg(
lineHeight() * pointToPixelMultiplier );
1366 css += QStringLiteral(
"line-height: %1px;" ).arg(
lineHeight() * 2.83464567 * pointToPixelMultiplier );
1374 css += QStringLiteral(
"color: rgba(%1,%2,%3,%4);" ).arg(
color().red() ).arg(
color().green() ).arg(
color().blue() ).arg( QString::number(
color().alphaF(),
'f', 4 ) );
1378 f.setPointSizeF(
size() / 0.352778 );
1386 : mPosition( position )
@ Rectangle
Text within rectangle layout mode.
BlendMode
Blending modes defining the available composition modes that can be used when painting.
Capitalization
String capitalization options.
@ AllSmallCaps
Force all characters to small caps.
@ MixedCase
Mixed case, ie no change.
@ SmallCaps
Mixed case small caps.
TextOrientation
Text orientations.
RenderUnit
Rendering size units.
@ Percentage
Percentage of another measurement (e.g., canvas size, feature size)
@ Millimeters
Millimeters.
@ Points
Points (e.g., for font sizes)
@ Unknown
Mixed or unknown units.
@ MetersInMapUnits
Meters value as Map units.
@ Antialiasing
Use antialiasing while drawing.
static QgsFontManager * fontManager()
Returns the application font manager, which manages available fonts and font installation for the QGI...
static QColor colorFromString(const QString &string)
Decodes a string into a color value.
static QString colorToString(const QColor &color)
Encodes a color into a string value.
void setOriginalValueVariable(const QVariant &value)
Sets the original value variable value for the context.
QString processFontFamilyName(const QString &name) const
Processes a font family name, applying any matching fontFamilyReplacements() to the name.
static QString asCSS(const QFont &font, double pointToPixelMultiplier=1.0)
Returns a CSS string representing the specified font as closely as possible.
static QString translateNamedStyle(const QString &namedStyle)
Returns the localized named style of a font, if such a translation is available.
static QString untranslateNamedStyle(const QString &namedStyle)
Returns the english named style of a font, if possible.
static QFont createFont(const QString &family, int pointSize=-1, int weight=-1, bool italic=false)
Creates a font with the specified family.
static bool fontFamilyMatchOnSystem(const QString &family, QString *chosen=nullptr, bool *match=nullptr)
Check whether font family is on system.
static bool fontFamilyOnSystem(const QString &family)
Check whether font family is on system in a quick manner, which does not compare [foundry].
static bool updateFontViaStyle(QFont &f, const QString &fontstyle, bool fallback=false)
Updates font with named style and retain all font properties.
Q_INVOKABLE QVariant customProperty(const QString &value, const QVariant &defaultValue=QVariant()) const
Read a custom property from layer.
Perform transforms between map coordinates and device coordinates.
void setParameters(double mapUnitsPerPixel, double centerX, double centerY, int widthPixels, int heightPixels, double rotation)
Sets parameters for use in transforming coordinates.
Struct for storing maximum and minimum scales for measurements in map units.
static Qgis::BlendMode getBlendModeEnum(QPainter::CompositionMode blendMode)
Returns a Qgis::BlendMode corresponding to a QPainter::CompositionMode.
static QPainter::CompositionMode getCompositionMode(Qgis::BlendMode blendMode)
Returns a QPainter::CompositionMode corresponding to a Qgis::BlendMode.
@ FontSizeUnit
Font size units.
@ FontStyle
Font style name.
@ Italic
Use italic style.
@ FontStretchFactor
Font stretch factor, since QGIS 3.24.
@ Strikeout
Use strikeout.
@ Underline
Use underline.
@ FontBlendMode
Text blend mode.
@ FontOpacity
Text opacity.
@ FontWordSpacing
Word spacing.
@ FontLetterSpacing
Letter spacing.
@ TabStopDistance
Tab stop distance, since QGIS 3.38.
static const QgsPropertiesDefinition & propertyDefinitions()
Returns the labeling property definitions.
A grouped map of multiple QgsProperty objects, each referenced by a integer key value.
The class is used as a container of context for various read/write operations on other objects.
void pushMessage(const QString &message, Qgis::MessageLevel level=Qgis::MessageLevel::Warning) const
Append a message to the context.
Contains information about the context of a rendering operation.
void setScaleFactor(double factor)
Sets the scaling factor for the render to convert painter units to physical sizes.
void setDevicePixelRatio(float ratio)
Sets the device pixel ratio.
void setUseAdvancedEffects(bool enabled)
Used to enable or disable advanced effects such as blend modes.
double convertToPainterUnits(double size, Qgis::RenderUnit unit, const QgsMapUnitScale &scale=QgsMapUnitScale(), Qgis::RenderSubcomponentProperty property=Qgis::RenderSubcomponentProperty::Generic) const
Converts a size from the specified units to painter units (pixels).
QgsExpressionContext & expressionContext()
Gets the expression context.
void setFlag(Qgis::RenderContextFlag flag, bool on=true)
Enable or disable a particular flag (other flags are not affected)
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.
Stores properties relating to a screen.
double devicePixelRatio() const
Returns the ratio between physical pixels and device-independent pixels for the screen.
bool isValid() const
Returns true if the properties are valid.
void updateRenderContextForScreen(QgsRenderContext &context) const
Updates the settings in a render context to match the screen settings.
static QString encodeMapUnitScale(const QgsMapUnitScale &mapUnitScale)
static QgsMapUnitScale decodeMapUnitScale(const QString &str)
static QPainter::CompositionMode decodeBlendMode(const QString &s)
static QString encodeColor(const QColor &color)
Container for settings relating to a text background object.
QSizeF size() const
Returns the size of the background shape.
QSet< QString > referencedFields(const QgsRenderContext &context) const
Returns all field names referenced by the configuration (e.g.
void upgradeDataDefinedProperties(QgsPropertyCollection &properties)
Upgrade data defined properties when reading a project file saved in QGIS prior to version 3....
void setOpacity(double opacity)
Sets the background shape's opacity.
QPainter::CompositionMode blendMode() const
Returns the blending mode used for drawing the background shape.
bool enabled() const
Returns whether the background is enabled.
void readXml(const QDomElement &elem, const QgsReadWriteContext &context)
Read settings from a DOM element.
double opacity() const
Returns the background shape's opacity.
void updateDataDefinedProperties(QgsRenderContext &context, const QgsPropertyCollection &properties)
Updates the format by evaluating current values of data defined properties.
SizeType sizeType() const
Returns the method used to determine the size of the background shape (e.g., fixed size or buffer aro...
QDomElement writeXml(QDomDocument &doc, const QgsReadWriteContext &context) const
Write settings into a DOM element.
void readFromLayer(QgsVectorLayer *layer)
Reads settings from a layer's custom properties (for QGIS 2.x projects).
QgsMapUnitScale sizeMapUnitScale() const
Returns the map unit scale object for the shape size.
Qgis::RenderUnit sizeUnit() const
Returns the units used for the shape's size.
Container for settings relating to a text buffer.
Qgis::RenderUnit sizeUnit() const
Returns the units for the buffer size.
void readFromLayer(QgsVectorLayer *layer)
Reads settings from a layer's custom properties (for QGIS 2.x projects).
QSet< QString > referencedFields(const QgsRenderContext &context) const
Returns all field names referenced by the configuration (e.g.
double size() const
Returns the size of the buffer.
void setOpacity(double opacity)
Sets the buffer opacity.
QgsMapUnitScale sizeMapUnitScale() const
Returns the map unit scale object for the buffer size.
bool enabled() const
Returns whether the buffer is enabled.
double opacity() const
Returns the buffer opacity.
QDomElement writeXml(QDomDocument &doc) const
Write settings into a DOM element.
QPainter::CompositionMode blendMode() const
Returns the blending mode used for drawing the buffer.
void updateDataDefinedProperties(QgsRenderContext &context, const QgsPropertyCollection &properties)
Updates the format by evaluating current values of data defined properties.
void readXml(const QDomElement &elem)
Read settings from a DOM element.
Defines a tab position for a text format.
Tab(double position)
Constructor for a Tab at the specified position.
Container for all settings relating to text rendering.
QgsTextFormat()
Default constructor for QgsTextFormat.
void setColor(const QColor &color)
Sets the color that text will be rendered in.
void setBlendMode(QPainter::CompositionMode mode)
Sets the blending mode used for drawing the text.
void setSize(double size)
Sets the size for rendered text.
QgsMapUnitScale sizeMapUnitScale() const
Returns the map unit scale object for the size.
void setCapitalization(Qgis::Capitalization capitalization)
Sets the text capitalization style.
void setDataDefinedProperties(const QgsPropertyCollection &collection)
Sets the format's property collection, used for data defined overrides.
QStringList families() const
Returns the list of font families to use when restoring the text format, in order of precedence.
void setOrientation(Qgis::TextOrientation orientation)
Sets the orientation for the text.
void setFont(const QFont &font)
Sets the font used for rendering text.
QSet< QString > referencedFields(const QgsRenderContext &context) const
Returns all field names referenced by the configuration (e.g.
QList< QgsTextFormat::Tab > tabPositions() const
Returns the list of tab positions for tab stops.
void setFamilies(const QStringList &families)
Sets a list of font families to use for the text format, in order of precedence.
void setForcedItalic(bool forced)
Sets whether the format is set to force an italic style.
static QgsTextFormat fromMimeData(const QMimeData *data, bool *ok=nullptr)
Attempts to parse the provided mime data as a QgsTextFormat.
double lineHeight() const
Returns the line height for text.
double tabStopDistance() const
Returns the distance for tab stops.
void setSizeUnit(Qgis::RenderUnit unit)
Sets the units for the size of rendered text.
int stretchFactor() const
Returns the text's stretch factor.
void updateDataDefinedProperties(QgsRenderContext &context)
Updates the format by evaluating current values of data defined properties.
QgsPropertyCollection & dataDefinedProperties()
Returns a reference to the format's property collection, used for data defined overrides.
void setStretchFactor(int factor)
Sets the text's stretch factor.
void setShadow(const QgsTextShadowSettings &shadowSettings)
Sets the text's drop shadow settings.
void setMask(const QgsTextMaskSettings &maskSettings)
Sets the text's masking settings.
void setPreviewBackgroundColor(const QColor &color)
Sets the background color that text will be rendered on for previews.
QFont scaledFont(const QgsRenderContext &context, double scaleFactor=1.0, bool *isZeroSize=nullptr) const
Returns a font with the size scaled to match the format's size settings (including units and map unit...
void setTabStopDistanceUnit(Qgis::RenderUnit unit)
Sets the unit used for the tab stop distance.
void multiplyOpacity(double opacityFactor)
Multiply opacity by opacityFactor.
void setOpacity(double opacity)
Sets the text's opacity.
QPainter::CompositionMode blendMode() const
Returns the blending mode used for drawing the text.
void readXml(const QDomElement &elem, const QgsReadWriteContext &context)
Read settings from a DOM element.
bool operator==(const QgsTextFormat &other) const
void setAllowHtmlFormatting(bool allow)
Sets whether text should be treated as a HTML document and HTML tags should be used for formatting th...
void setLineHeightUnit(Qgis::RenderUnit unit)
Sets the unit for the line height for text.
Qgis::RenderUnit lineHeightUnit() const
Returns the units for the line height for text.
Qgis::Capitalization capitalization() const
Returns the text capitalization style.
bool forcedItalic() const
Returns true if the format is set to force an italic style.
QgsTextMaskSettings & mask()
Returns a reference to the masking settings.
void setForcedBold(bool forced)
Sets whether the format is set to force a bold style.
bool isValid() const
Returns true if the format is valid.
void setTabStopDistanceMapUnitScale(const QgsMapUnitScale &scale)
Sets the map unit scale object for the tab stop distance.
void setBuffer(const QgsTextBufferSettings &bufferSettings)
Sets the text's buffer settings.
QgsTextBackgroundSettings & background()
Returns a reference to the text background settings.
Qgis::RenderUnit sizeUnit() const
Returns the units for the size of rendered text.
static QgsTextFormat fromQFont(const QFont &font)
Returns a text format matching the settings from an input font.
void setValid()
Sets the format to a valid state, without changing any of the default format settings.
bool allowHtmlFormatting() const
Returns true if text should be treated as a HTML document and HTML tags should be used for formatting...
QFont toQFont() const
Returns a QFont matching the relevant settings from this text format.
bool operator!=(const QgsTextFormat &other) const
double opacity() const
Returns the text's opacity.
void setTabStopDistance(double distance)
Sets the distance for tab stops.
Qgis::TextOrientation orientation() const
Returns the orientation of the text.
QString namedStyle() const
Returns the named style for the font used for rendering text (e.g., "bold").
double size() const
Returns the size for rendered text.
QgsTextShadowSettings & shadow()
Returns a reference to the text drop shadow settings.
QgsTextFormat & operator=(const QgsTextFormat &other)
void setTabPositions(const QList< QgsTextFormat::Tab > &positions)
Sets the list of tab positions for tab stops.
static QPixmap textFormatPreviewPixmap(const QgsTextFormat &format, QSize size, const QString &previewText=QString(), int padding=0, const QgsScreenProperties &screen=QgsScreenProperties())
Returns a pixmap preview for a text format.
Qgis::RenderUnit tabStopDistanceUnit() const
Returns the units for the tab stop distance.
bool forcedBold() const
Returns true if the format is set to force a bold style.
void setBackground(const QgsTextBackgroundSettings &backgroundSettings)
Sets the text's background settings.q.
QDomElement writeXml(QDomDocument &doc, const QgsReadWriteContext &context) const
Write settings into a DOM element.
QString asCSS(double pointToPixelMultiplier=1.0) const
Returns a CSS string representing the specified text format as closely as possible.
QMimeData * toMimeData() const
Returns new mime data representing the text format settings.
void setSizeMapUnitScale(const QgsMapUnitScale &scale)
Sets the map unit scale object for the size.
void setNamedStyle(const QString &style)
Sets the named style for the font used for rendering text.
QColor color() const
Returns the color that text will be rendered in.
QFont font() const
Returns the font used for rendering text.
void readFromLayer(QgsVectorLayer *layer)
Reads settings from a layer's custom properties (for QGIS 2.x projects).
QgsMapUnitScale tabStopDistanceMapUnitScale() const
Returns the map unit scale object for the tab stop distance.
QColor previewBackgroundColor() const
Returns the background color for text previews.
bool containsAdvancedEffects() const
Returns true if any component of the font format requires advanced effects such as blend modes,...
QgsTextBufferSettings & buffer()
Returns a reference to the text buffer settings.
void setLineHeight(double height)
Sets the line height for text.
Container for settings relating to a selective masking around a text.
QSet< QString > referencedFields(const QgsRenderContext &context) const
Returns all field names referenced by the configuration (e.g.
void updateDataDefinedProperties(QgsRenderContext &context, const QgsPropertyCollection &properties)
Updates the format by evaluating current values of data defined properties.
void readXml(const QDomElement &elem)
Read settings from a DOM element.
QDomElement writeXml(QDomDocument &doc) const
Write settings into a DOM element.
double opacity() const
Returns the mask's opacity.
void setOpacity(double opacity)
Sets the mask's opacity.
static Qgis::TextOrientation decodeTextOrientation(const QString &name, bool *ok=nullptr)
Attempts to decode a string representation of a text orientation.
static QColor readColor(QgsVectorLayer *layer, const QString &property, const QColor &defaultColor=Qt::black, bool withAlpha=true)
Converts an encoded color value from a layer property.
static QString encodeTextOrientation(Qgis::TextOrientation orientation)
Encodes a text orientation.
static int sizeToPixel(double size, const QgsRenderContext &c, Qgis::RenderUnit unit, const QgsMapUnitScale &mapUnitScale=QgsMapUnitScale())
Calculates pixel size (considering output size should be in pixel or map units, scale factors and opt...
static void drawText(const QRectF &rect, double rotation, Qgis::TextHorizontalAlignment alignment, const QStringList &textLines, QgsRenderContext &context, const QgsTextFormat &format, bool drawAsOutlines=true, Qgis::TextVerticalAlignment vAlignment=Qgis::TextVerticalAlignment::Top, Qgis::TextRendererFlags flags=Qgis::TextRendererFlags(), Qgis::TextLayoutMode mode=Qgis::TextLayoutMode::Rectangle)
Draws text within a rectangle using the specified settings.
static double textHeight(const QgsRenderContext &context, const QgsTextFormat &format, const QStringList &textLines, Qgis::TextLayoutMode mode=Qgis::TextLayoutMode::Point, QFontMetricsF *fontMetrics=nullptr, Qgis::TextRendererFlags flags=Qgis::TextRendererFlags(), double maxLineWidth=0)
Returns the height of a text based on a given format.
Container for settings relating to a text shadow.
bool enabled() const
Returns whether the shadow is enabled.
double opacity() const
Returns the shadow's opacity.
void readXml(const QDomElement &elem)
Read settings from a DOM element.
QDomElement writeXml(QDomDocument &doc) const
Write settings into a DOM element.
void updateDataDefinedProperties(QgsRenderContext &context, const QgsPropertyCollection &properties)
Updates the format by evaluating current values of data defined properties.
QPainter::CompositionMode blendMode() const
Returns the blending mode used for drawing the drop shadow.
void setOpacity(double opacity)
Sets the shadow's opacity.
QSet< QString > referencedFields(const QgsRenderContext &context) const
Returns all field names referenced by the configuration (e.g.
void readFromLayer(QgsVectorLayer *layer)
Reads settings from a layer's custom properties (for QGIS 2.x projects).
static Q_INVOKABLE Qgis::RenderUnit decodeRenderUnit(const QString &string, bool *ok=nullptr)
Decodes a render unit from a string.
static Q_INVOKABLE QString encodeUnit(Qgis::DistanceUnit unit)
Encodes a distance unit to a string.
static bool isNull(const QVariant &variant, bool silenceNullWarnings=false)
Returns true if the specified variant should be considered a NULL value.
Represents a vector layer which manages a vector based data sets.
bool qgsDoubleNear(double a, double b, double epsilon=4 *std::numeric_limits< double >::epsilon())
Compare two doubles (but allow some difference)