QGIS API Documentation
2.12.0-Lyon
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#include <qgssymbolv2.h>
Public Member Functions | |
QgsMarkerSymbolV2 (const QgsSymbolLayerV2List &layers=QgsSymbolLayerV2List()) | |
double | angle () const |
virtual QgsSymbolV2 * | clone () const override |
QgsDataDefined | dataDefinedAngle () const |
Returns data defined angle for whole symbol (including all symbol layers). More... | |
QgsDataDefined | dataDefinedSize () const |
Returns data defined size for whole symbol (including all symbol layers). More... | |
void | renderPoint (const QPointF &point, const QgsFeature *f, QgsRenderContext &context, int layer=-1, bool selected=false) |
ScaleMethod | scaleMethod () |
void | setAngle (double angle) |
void | setDataDefinedAngle (const QgsDataDefined &dd) |
Set data defined angle for whole symbol (including all symbol layers). More... | |
void | setDataDefinedSize (const QgsDataDefined &dd) |
Set data defined size for whole symbol (including all symbol layers). More... | |
void | setLineAngle (double lineAngle) |
Sets the line angle modification for the symbol's angle. More... | |
void | setScaleMethod (QgsSymbolV2::ScaleMethod scaleMethod) |
void | setSize (double size) |
double | size () 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=0) |
Generate symbol as image. More... | |
QImage | bigSymbolPreviewImage (QgsExpressionContext *expressionContext=0) |
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=0) |
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, const QSize &size) |
export symbol as image format. PNG and SVG supported 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 |
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=0) |
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... | |
QgsSymbolLayerV2 * | takeSymbolLayer (int index) |
Remove symbol layer from the list and return pointer to it. More... | |
void | toSld (QDomDocument &doc, QDomElement &element, QgsStringMap props) const |
SymbolType | type () const |
QSet< QString > | usedAttributes () const |
Static Public Member Functions | |
static QgsMarkerSymbolV2 * | createSimple (const QgsStringMap &properties) |
Create a marker symbol with one symbol layer: SimpleMarker 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 } |
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 } |
Type of the symbol. More... | |
Protected Member Functions inherited from QgsSymbolV2 | |
QgsSymbolV2 (SymbolType type, const QgsSymbolLayerV2List &layers) | |
QgsSymbolLayerV2List | cloneLayers () const |
bool | isSymbolLayerCompatible (SymbolType t) |
check whether a symbol layer type can be used within the symbol (marker-marker, line-line, fill-fill/line) 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 |
Definition at line 314 of file qgssymbolv2.h.
QgsMarkerSymbolV2::QgsMarkerSymbolV2 | ( | const QgsSymbolLayerV2List & | layers = QgsSymbolLayerV2List() | ) |
Definition at line 569 of file qgssymbolv2.cpp.
double QgsMarkerSymbolV2::angle | ( | void | ) | const |
Definition at line 587 of file qgssymbolv2.cpp.
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overridevirtual |
Implements QgsSymbolV2.
Definition at line 859 of file qgssymbolv2.cpp.
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static |
Create a marker symbol with one symbol layer: SimpleMarker with specified properties.
This is a convenience method for easier creation of marker symbols.
Definition at line 534 of file qgssymbolv2.cpp.
QgsDataDefined QgsMarkerSymbolV2::dataDefinedAngle | ( | ) | const |
Returns data defined angle for whole symbol (including all symbol layers).
Definition at line 634 of file qgssymbolv2.cpp.
QgsDataDefined QgsMarkerSymbolV2::dataDefinedSize | ( | ) | const |
Returns data defined size for whole symbol (including all symbol layers).
Definition at line 745 of file qgssymbolv2.cpp.
void QgsMarkerSymbolV2::renderPoint | ( | const QPointF & | point, |
const QgsFeature * | f, | ||
QgsRenderContext & | context, | ||
int | layer = -1 , |
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bool | selected = false |
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Definition at line 840 of file qgssymbolv2.cpp.
QgsSymbolV2::ScaleMethod QgsMarkerSymbolV2::scaleMethod | ( | ) |
Definition at line 805 of file qgssymbolv2.cpp.
void QgsMarkerSymbolV2::setAngle | ( | double | angle | ) |
Definition at line 576 of file qgssymbolv2.cpp.
void QgsMarkerSymbolV2::setDataDefinedAngle | ( | const QgsDataDefined & | dd | ) |
Set data defined angle for whole symbol (including all symbol layers).
dd | data defined angle |
Definition at line 608 of file qgssymbolv2.cpp.
void QgsMarkerSymbolV2::setDataDefinedSize | ( | const QgsDataDefined & | dd | ) |
Set data defined size for whole symbol (including all symbol layers).
dd | data defined size |
Definition at line 711 of file qgssymbolv2.cpp.
void QgsMarkerSymbolV2::setLineAngle | ( | double | lineAngle | ) |
Sets the line angle modification for the symbol's angle.
This angle is added to the marker's rotation and data defined rotation before rendering the symbol, and is usually used for orienting symbols to match a line's angle.
lineAngle | Angle in degrees, valid values are between 0 and 360 |
Definition at line 599 of file qgssymbolv2.cpp.
void QgsMarkerSymbolV2::setScaleMethod | ( | QgsSymbolV2::ScaleMethod | scaleMethod | ) |
Definition at line 796 of file qgssymbolv2.cpp.
void QgsMarkerSymbolV2::setSize | ( | double | size | ) |
Definition at line 676 of file qgssymbolv2.cpp.
double QgsMarkerSymbolV2::size | ( | void | ) | const |
Definition at line 697 of file qgssymbolv2.cpp.