34 QVariantMap properties;
35 properties.insert( QStringLiteral(
"color" ), QStringLiteral(
"white" ) );
36 properties.insert( QStringLiteral(
"style" ), QStringLiteral(
"solid" ) );
37 properties.insert( QStringLiteral(
"style_border" ), QStringLiteral(
"solid" ) );
38 properties.insert( QStringLiteral(
"color_border" ), QStringLiteral(
"black" ) );
39 properties.insert( QStringLiteral(
"width_border" ), QStringLiteral(
"0.3" ) );
40 properties.insert( QStringLiteral(
"joinstyle" ), QStringLiteral(
"miter" ) );
42 refreshSymbol(
false );
81 if ( !
id().isEmpty() )
89 return tr(
"<Ellipse>" );
91 return tr(
"<Rectangle>" );
93 return tr(
"<Triangle>" );
96 return tr(
"<Shape>" );
108 if (
type == mShape )
115 if (
mLayout &&
id().isEmpty() )
118 mLayout->itemsModel()->updateItemDisplayName(
this );
124void QgsLayoutItemShape::refreshSymbol(
bool redraw )
126 if (
auto *lLayout =
layout() )
132 updateBoundingRect();
140void QgsLayoutItemShape::updateBoundingRect()
142 QRectF rectangle = rect();
143 rectangle.adjust( -mMaxSymbolBleed, -mMaxSymbolBleed, mMaxSymbolBleed, mMaxSymbolBleed );
144 if ( rectangle != mCurrentRectangle )
146 prepareGeometryChange();
147 mCurrentRectangle = rectangle;
157 refreshSymbol(
true );
162 mCornerRadius = radius;
168 QPolygonF shapePolygon = mapToScene( calculatePolygon( 1.0 ) );
170 if ( shapePolygon.at( 0 ) != shapePolygon.constLast() )
171 shapePolygon << shapePolygon.at( 0 );
177 return mCurrentRectangle;
182 return mMaxSymbolBleed;
187 if ( mShapeStyleSymbol )
200 painter->setPen( Qt::NoPen );
201 painter->setBrush( Qt::NoBrush );
205 const QVector<QPolygonF> rings;
212QPolygonF QgsLayoutItemShape::calculatePolygon(
double scale )
const
214 QPolygonF shapePolygon;
218 const QTransform t = QTransform::fromScale( 100, 100 );
220 const QTransform ti = t.inverted();
227 QPainterPath ellipsePath;
228 ellipsePath.addEllipse( QRectF( 0, 0, rect().width() * scale, rect().height() * scale ) );
229 const QPolygonF ellipsePoly = ellipsePath.toFillPolygon( t );
230 shapePolygon = ti.map( ellipsePoly );
236 if ( mCornerRadius.
length() > 0 )
238 QPainterPath roundedRectPath;
239 const double radius =
mLayout->convertToLayoutUnits( mCornerRadius ) * scale;
240 roundedRectPath.addRoundedRect( QRectF( 0, 0, rect().width() * scale, rect().height() * scale ), radius, radius );
241 const QPolygonF roundedPoly = roundedRectPath.toFillPolygon( t );
242 shapePolygon = ti.map( roundedPoly );
246 shapePolygon = QPolygonF( QRectF( 0, 0, rect().width() * scale, rect().height() * scale ) );
252 shapePolygon << QPointF( 0, rect().height() * scale );
253 shapePolygon << QPointF( rect().width() * scale, rect().height() * scale );
254 shapePolygon << QPointF( rect().width() / 2.0 * scale, 0 );
255 shapePolygon << QPointF( 0, rect().height() * scale );
264 element.setAttribute( QStringLiteral(
"shapeType" ), mShape );
265 element.setAttribute( QStringLiteral(
"cornerRadiusMeasure" ), mCornerRadius.
encodeMeasurement() );
268 element.appendChild( shapeStyleElem );
275 mShape =
static_cast< Shape >( element.attribute( QStringLiteral(
"shapeType" ), QStringLiteral(
"0" ) ).toInt() );
276 if ( element.hasAttribute( QStringLiteral(
"cornerRadiusMeasure" ) ) )
279 mCornerRadius =
QgsLayoutMeasurement( element.attribute( QStringLiteral(
"cornerRadius" ), QStringLiteral(
"0" ) ).toDouble() );
281 const QDomElement shapeStyleSymbolElem = element.firstChildElement( QStringLiteral(
"symbol" ) );
282 if ( !shapeStyleSymbolElem.isNull() )
284 mShapeStyleSymbol.reset( QgsSymbolLayerUtils::loadSymbol<QgsFillSymbol>( shapeStyleSymbolElem, context ) );
285 refreshSymbol(
false );
@ Millimeters
Millimeters.
static QIcon getThemeIcon(const QString &name, const QColor &fillColor=QColor(), const QColor &strokeColor=QColor())
Helper to get a theme icon.
A fill symbol type, for rendering Polygon and MultiPolygon geometries.
static QgsFillSymbol * createSimple(const QVariantMap &properties)
Create a fill symbol with one symbol layer: SimpleFill with specified properties.
void renderPolygon(const QPolygonF &points, const QVector< QPolygonF > *rings, const QgsFeature *f, QgsRenderContext &context, int layer=-1, bool selected=false)
Renders the symbol using the given render context.
QgsFillSymbol * clone() const override
Returns a deep copy of this symbol.
A geometry is the spatial representation of a feature.
static QgsGeometry fromQPolygonF(const QPolygonF &polygon)
Construct geometry from a QPolygonF.
Contains settings and helpers relating to a render of a QgsLayoutItem.
QgsRenderContext & renderContext()
Returns a reference to the context's render context.
Layout item for basic filled shapes (e.g.
QRectF boundingRect() const override
bool readPropertiesFromElement(const QDomElement &element, const QDomDocument &document, const QgsReadWriteContext &context) override
Sets item state from a DOM element.
static QgsLayoutItemShape * create(QgsLayout *layout)
Returns a new shape item for the specified layout.
double estimatedFrameBleed() const override
Returns the estimated amount the item's frame bleeds outside the item's actual rectangle.
QgsFillSymbol * symbol()
Returns the fill symbol used to draw the shape.
~QgsLayoutItemShape() override
void setShapeType(QgsLayoutItemShape::Shape type)
Sets the type of shape (e.g.
QString displayName() const override
Gets item display name.
QgsLayoutItemShape(QgsLayout *layout)
Constructor for QgsLayoutItemShape, with the specified parent layout.
QgsGeometry clipPath() const override
Returns the clipping path generated by this item, in layout coordinates.
bool writePropertiesToElement(QDomElement &element, QDomDocument &document, const QgsReadWriteContext &context) const override
Stores item state within an XML DOM element.
void setSymbol(QgsFillSymbol *symbol)
Sets the fill symbol used to draw the shape.
QIcon icon() const override
Returns the item's icon.
bool accept(QgsStyleEntityVisitorInterface *visitor) const override
Accepts the specified style entity visitor, causing it to visit all style entities associated with th...
int type() const override
@ Rectangle
Rectangle shape.
@ Triangle
Triangle shape.
QgsLayoutItem::Flags itemFlags() const override
Returns the item's flags, which indicate how the item behaves.
void draw(QgsLayoutItemRenderContext &context) override
Draws the item's contents using the specified item render context.
void setCornerRadius(QgsLayoutMeasurement radius)
Sets the corner radius for rounded rectangle corners.
Base class for graphical items within a QgsLayout.
virtual void redraw()
Triggers a redraw (update) of the item.
virtual void setFrameEnabled(bool drawFrame)
Sets whether this item has a frame drawn around it or not.
@ FlagProvidesClipPath
Item can act as a clipping path provider (see clipPath())
void sizePositionChanged()
Emitted when the item's size or position changes.
virtual QString uuid() const
Returns the item identification string.
QString id() const
Returns the item's ID name.
void frameChanged()
Emitted if the item's frame style changes.
virtual Flags itemFlags() const
Returns the item's flags, which indicate how the item behaves.
void clipPathChanged()
Emitted when the item's clipping path has changed.
void setBackgroundEnabled(bool drawBackground)
Sets whether this item has a background drawn under it or not.
This class provides a method of storing measurements for use in QGIS layouts using a variety of diffe...
static QgsLayoutMeasurement decodeMeasurement(const QString &string)
Decodes a measurement from a string.
QString encodeMeasurement() const
Encodes the layout measurement to a string.
double length() const
Returns the length of the measurement.
const QgsLayout * layout() const
Returns the layout the object is attached to.
QPointer< QgsLayout > mLayout
static QgsRenderContext createRenderContextForLayout(QgsLayout *layout, QPainter *painter, double dpi=-1)
Creates a render context suitable for the specified layout and painter destination.
Base class for layouts, which can contain items such as maps, labels, scalebars, etc.
The class is used as a container of context for various read/write operations on other objects.
Contains information about the context of a rendering operation.
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).
QPainter * painter()
Returns the destination QPainter for the render operation.
An interface for classes which can visit style entity (e.g.
virtual bool visit(const QgsStyleEntityVisitorInterface::StyleLeaf &entity)
Called when the visitor will visit a style entity.
A symbol entity for QgsStyle databases.
static QDomElement saveSymbol(const QString &symbolName, const QgsSymbol *symbol, QDomDocument &doc, const QgsReadWriteContext &context)
Writes a symbol definition to XML.
static double estimateMaxSymbolBleed(QgsSymbol *symbol, const QgsRenderContext &context)
Returns the maximum estimated bleed for the symbol.
void stopRender(QgsRenderContext &context)
Ends the rendering process.
void startRender(QgsRenderContext &context, const QgsFields &fields=QgsFields())
Begins the rendering process for the symbol.
Contains information relating to the style entity currently being visited.