#include <qgssymbolv2.h>
Inheritance diagram for QgsLineSymbolV2:
Public Member Functions | |
| QgsLineSymbolV2 (const QgsSymbolLayerV2List &layers=QgsSymbolLayerV2List()) | |
| virtual QgsLineSymbolV2 * | clone () const override |
| QgsDataDefined | dataDefinedWidth () const |
| Returns data defined size for whole symbol (including all symbol layers). More... | |
| void | renderPolyline (const QPolygonF &points, const QgsFeature *f, QgsRenderContext &context, int layer=-1, bool selected=false) |
| void | setDataDefinedWidth (const QgsDataDefined &dd) |
| Set data defined width for whole symbol (including all symbol layers). More... | |
| void | setWidth (double width) |
| double | width () const |
 Public Member Functions inherited from QgsSymbolV2 | |
| virtual | ~QgsSymbolV2 () |
| qreal | alpha () const |
| Get alpha transparency 1 for opaque, 0 for invisible. More... | |
| bool | appendSymbolLayer (QgsSymbolLayerV2 *layer) |
| Append symbol layer at the end of the list Ownership will be transferred. More... | |
| QImage | asImage (QSize size, QgsRenderContext *customContext=nullptr) |
| Generate symbol as image. More... | |
| QImage | bigSymbolPreviewImage (QgsExpressionContext *expressionContext=nullptr) |
| Returns a large (roughly 100x100 pixel) preview image for the symbol. More... | |
| bool | changeSymbolLayer (int index, QgsSymbolLayerV2 *layer) |
| delete layer at specified index and set a new one More... | |
| bool | clipFeaturesToExtent () const |
| Returns whether features drawn by the symbol will be clipped to the render context's extent. More... | |
| QColor | color () const |
| bool | deleteSymbolLayer (int index) |
| delete symbol layer at specified index More... | |
| void | drawPreviewIcon (QPainter *painter, QSize size, QgsRenderContext *customContext=nullptr) |
| Draw icon of the symbol that occupyies area given by size using the painter. More... | |
| QString | dump () const |
| void | exportImage (const QString &path, const QString &format, QSize size) |
| export symbol as image format. PNG and SVG supported More... | |
| bool | hasDataDefinedProperties () const |
| Returns whether the symbol utilises any data defined properties. More... | |
| bool | insertSymbolLayer (int index, QgsSymbolLayerV2 *layer) |
| Insert symbol layer to specified index Ownership will be transferred. More... | |
| const QgsVectorLayer * | layer () const |
| QgsMapUnitScale | mapUnitScale () const |
| QgsSymbolV2::OutputUnit | outputUnit () const |
| void | renderFeature (const QgsFeature &feature, QgsRenderContext &context, int layer=-1, bool selected=false, bool drawVertexMarker=false, int currentVertexMarkerType=0, int currentVertexMarkerSize=0) |
| Render a feature. More... | |
| int | renderHints () const |
| void | setAlpha (qreal alpha) |
| Set alpha transparency 1 for opaque, 0 for invisible. More... | |
| void | setClipFeaturesToExtent (bool clipFeaturesToExtent) |
| Sets whether features drawn by the symbol should be clipped to the render context's extent. More... | |
| void | setColor (const QColor &color) |
| void | setLayer (const QgsVectorLayer *layer) |
| void | setMapUnitScale (const QgsMapUnitScale &scale) |
| void | setOutputUnit (QgsSymbolV2::OutputUnit u) |
| void | setRenderHints (int hints) |
| void | startRender (QgsRenderContext &context, const QgsFields *fields=nullptr) |
| void | stopRender (QgsRenderContext &context) |
| QgsSymbolLayerV2 * | symbolLayer (int layer) |
| Returns a specific symbol layers contained in the symbol. More... | |
| int | symbolLayerCount () |
| Returns total number of symbol layers contained in the symbol. More... | |
| QgsSymbolLayerV2List | symbolLayers () |
| Returns list of symbol layers contained in the symbol. More... | |
| QgsSymbolV2RenderContext * | symbolRenderContext () |
| Returns the symbol render context. More... | |
| QgsSymbolLayerV2 * | takeSymbolLayer (int index) |
| Remove symbol layer from the list and return pointer to it. More... | |
| void | toSld (QDomDocument &doc, QDomElement &element, const QgsStringMap &props) const |
| Writes the SLD element following the SLD v1.1 specs. More... | |
| SymbolType | type () const |
| QSet< QString > | usedAttributes () const |
| Return a list of attributes required to render this feature. More... | |
Static Public Member Functions | |
| static QgsLineSymbolV2 * | createSimple (const QgsStringMap &properties) |
| Create a line symbol with one symbol layer: SimpleLine with specified properties. More... | |
| Static Public Member Functions inherited from QgsSymbolV2 | |
| static QgsSymbolV2 * | defaultSymbol (QGis::GeometryType geomType) |
| return new default symbol for specified geometry type More... | |
Additional Inherited Members | |
| Public Types inherited from QgsSymbolV2 | |
| enum | OutputUnit { MM = 0, MapUnit, Mixed, Pixel, Percentage } |
| The unit of the output. More... | |
| typedef QList< OutputUnit > | OutputUnitList |
| enum | RenderHint { DataDefinedSizeScale = 1, DataDefinedRotation = 2 } |
| enum | ScaleMethod { ScaleArea, ScaleDiameter } |
| Scale method. More... | |
| enum | SymbolType { Marker, Line, Fill, Hybrid } |
| Type of the symbol. More... | |
| Protected Member Functions inherited from QgsSymbolV2 | |
| QgsSymbolV2 (SymbolType type, const QgsSymbolLayerV2List &layers) | |
| QgsSymbolLayerV2List | cloneLayers () const |
| Retrieve a cloned list of all layers that make up this symbol. More... | |
| Q_DECL_DEPRECATED bool | isSymbolLayerCompatible (SymbolType layerType) |
| check whether a symbol layer type can be used within the symbol (marker-marker, line-line, fill-fill/line) More... | |
| void | renderUsingLayer (QgsSymbolLayerV2 *layer, QgsSymbolV2RenderContext &context) |
| Renders a context using a particular symbol layer without passing in a geometry. More... | |
| void | renderVertexMarker (QPointF pt, QgsRenderContext &context, int currentVertexMarkerType, int currentVertexMarkerSize) |
| Render editing vertex marker at specified point. More... | |
| Static Protected Member Functions inherited from QgsSymbolV2 | |
| static QgsConstWkbPtr | _getLineString (QPolygonF &pts, QgsRenderContext &context, QgsConstWkbPtr &wkb, bool clipToExtent=true) |
| Creates a line string in screen coordinates from a wkb string in map coordinates. More... | |
| static void | _getPoint (QPointF &pt, QgsRenderContext &context, const QgsPointV2 *point) |
| Creates a point in screen coordinates from a QgsPointV2 in map coordinates. More... | |
| static QgsConstWkbPtr | _getPoint (QPointF &pt, QgsRenderContext &context, QgsConstWkbPtr &wkb) |
| Creates a point in screen coordinates from a wkb string in map coordinates. More... | |
| static QgsConstWkbPtr | _getPolygon (QPolygonF &pts, QList< QPolygonF > &holes, QgsRenderContext &context, QgsConstWkbPtr &wkb, bool clipToExtent=true) |
| Creates a polygon in screen coordinates from a wkb string in map coordinates. More... | |
| Protected Attributes inherited from QgsSymbolV2 | |
| qreal | mAlpha |
| Symbol opacity (in the range 0 - 1) More... | |
| bool | mClipFeaturesToExtent |
| const QgsVectorLayer * | mLayer |
| QgsSymbolLayerV2List | mLayers |
| int | mRenderHints |
| SymbolType | mType |
Detailed Description
Definition at line 607 of file qgssymbolv2.h.
Constructor & Destructor Documentation
◆ QgsLineSymbolV2()
| QgsLineSymbolV2::QgsLineSymbolV2 | ( | const QgsSymbolLayerV2List & | layers = QgsSymbolLayerV2List() | ) |
Definition at line 1589 of file qgssymbolv2.cpp.
Member Function Documentation
◆ clone()
|
overridevirtual |
Implements QgsSymbolV2.
Definition at line 1791 of file qgssymbolv2.cpp.
◆ createSimple()
|
static |
Create a line symbol with one symbol layer: SimpleLine with specified properties.
This is a convenience method for easier creation of line symbols.
Definition at line 1145 of file qgssymbolv2.cpp.
◆ dataDefinedWidth()
| QgsDataDefined QgsLineSymbolV2::dataDefinedWidth | ( | ) | const |
Returns data defined size for whole symbol (including all symbol layers).
- Returns
- data defined size, or empty data defined if size is not set at the line level
- Note
- added in QGIS 2.9
- See also
- setDataDefinedWidth
Definition at line 1676 of file qgssymbolv2.cpp.
◆ renderPolyline()
| void QgsLineSymbolV2::renderPolyline | ( | const QPolygonF & | points, |
| const QgsFeature * | f, | ||
| QgsRenderContext & | context, | ||
| int | layer = -1, |
||
| bool | selected = false |
||
| ) |
Definition at line 1729 of file qgssymbolv2.cpp.
◆ setDataDefinedWidth()
| void QgsLineSymbolV2::setDataDefinedWidth | ( | const QgsDataDefined & | dd | ) |
Set data defined width for whole symbol (including all symbol layers).
- Parameters
-
dd data defined width
- Note
- added in QGIS 2.9
- See also
- dataDefinedWidth
Definition at line 1641 of file qgssymbolv2.cpp.
◆ setWidth()
| void QgsLineSymbolV2::setWidth | ( | double | width | ) |
Definition at line 1596 of file qgssymbolv2.cpp.
◆ width()
| double QgsLineSymbolV2::width | ( | ) | const |
Definition at line 1622 of file qgssymbolv2.cpp.
The documentation for this class was generated from the following files:
- /tmp/buildd/qgis-2.18.21+99unstable/src/core/symbology-ng/qgssymbolv2.h
- /tmp/buildd/qgis-2.18.21+99unstable/src/core/symbology-ng/qgssymbolv2.cpp
