QGIS API Documentation
2.2.0-Valmiera
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#include <qgssymbolv2.h>
Public Member Functions | |
QgsLineSymbolV2 (QgsSymbolLayerV2List layers=QgsSymbolLayerV2List()) | |
void | setWidth (double width) |
double | width () |
void | renderPolyline (const QPolygonF &points, const QgsFeature *f, QgsRenderContext &context, int layer=-1, bool selected=false) |
virtual QgsSymbolV2 * | clone () const |
Public Member Functions inherited from QgsSymbolV2 | |
virtual | ~QgsSymbolV2 () |
SymbolType | type () const |
QgsSymbolLayerV2 * | symbolLayer (int layer) |
int | symbolLayerCount () |
bool | insertSymbolLayer (int index, QgsSymbolLayerV2 *layer) |
insert symbol layer to specified index | |
bool | appendSymbolLayer (QgsSymbolLayerV2 *layer) |
append symbol layer at the end of the list | |
bool | deleteSymbolLayer (int index) |
delete symbol layer at specified index | |
QgsSymbolLayerV2 * | takeSymbolLayer (int index) |
remove symbol layer from the list and return pointer to it | |
bool | changeSymbolLayer (int index, QgsSymbolLayerV2 *layer) |
delete layer at specified index and set a new one | |
void | startRender (QgsRenderContext &context, const QgsVectorLayer *layer=0) |
void | stopRender (QgsRenderContext &context) |
void | setColor (const QColor &color) |
QColor | color () const |
void | drawPreviewIcon (QPainter *painter, QSize size) |
QImage | bigSymbolPreviewImage () |
QString | dump () const |
void | toSld (QDomDocument &doc, QDomElement &element, QgsStringMap props) const |
QgsSymbolV2::OutputUnit | outputUnit () const |
void | setOutputUnit (QgsSymbolV2::OutputUnit u) |
qreal | alpha () const |
Get alpha transparency 1 for opaque, 0 for invisible. | |
void | setAlpha (qreal alpha) |
Set alpha transparency 1 for opaque, 0 for invisible. | |
void | setRenderHints (int hints) |
int | renderHints () const |
QSet< QString > | usedAttributes () const |
void | setLayer (const QgsVectorLayer *layer) |
const QgsVectorLayer * | layer () const |
Static Public Member Functions | |
static QgsLineSymbolV2 * | createSimple (const QgsStringMap &properties) |
Create a line symbol with one symbol layer: SimpleLine with specified properties. | |
Static Public Member Functions inherited from QgsSymbolV2 | |
static QgsSymbolV2 * | defaultSymbol (QGis::GeometryType geomType) |
return new default symbol for specified geometry type |
Additional Inherited Members | |
Public Types inherited from QgsSymbolV2 | |
enum | OutputUnit { MM = 0, MapUnit, Mixed } |
enum | SymbolType { Marker, Line, Fill } |
enum | ScaleMethod { ScaleArea, ScaleDiameter } |
enum | RenderHint { DataDefinedSizeScale = 1, DataDefinedRotation = 2 } |
Protected Member Functions inherited from QgsSymbolV2 | |
QgsSymbolV2 (SymbolType type, 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) | |
Protected Attributes inherited from QgsSymbolV2 | |
SymbolType | mType |
QgsSymbolLayerV2List | mLayers |
qreal | mAlpha |
Symbol opacity (in the range 0 - 1) | |
int | mRenderHints |
const QgsVectorLayer * | mLayer |
Definition at line 238 of file qgssymbolv2.h.
QgsLineSymbolV2::QgsLineSymbolV2 | ( | QgsSymbolLayerV2List | layers = QgsSymbolLayerV2List() | ) |
Definition at line 571 of file qgssymbolv2.cpp.
References QgsSymbolV2::mLayers.
Referenced by clone(), and createSimple().
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virtual |
Implements QgsSymbolV2.
Definition at line 631 of file qgssymbolv2.cpp.
References QgsSymbolV2::cloneLayers(), QgsSymbolV2::mAlpha, QgsLineSymbolV2(), and QgsSymbolV2::setAlpha().
Referenced by QgsLinePatternFillSymbolLayer::applyPattern(), QgsVectorFieldSymbolLayer::clone(), QgsSVGFillSymbolLayer::clone(), and QgsLinePatternFillSymbolLayer::clone().
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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 432 of file qgssymbolv2.cpp.
References QgsSimpleLineSymbolLayerV2::create(), and QgsLineSymbolV2().
Referenced by QgsComposerMap::createDefaultGridLineSymbol(), and QgsComposerMap::readXML().
void QgsLineSymbolV2::renderPolyline | ( | const QPolygonF & | points, |
const QgsFeature * | f, | ||
QgsRenderContext & | context, | ||
int | layer = -1 , |
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bool | selected = false |
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Definition at line 611 of file qgssymbolv2.cpp.
References QgsSymbolV2::layer(), QgsSymbolV2::mAlpha, QgsSymbolV2::mLayer, QgsSymbolV2::mLayers, QgsSymbolV2::mRenderHints, QgsSymbolV2::outputUnit(), QgsLineSymbolLayerV2::renderPolyline(), and QgsSymbolV2RenderContext::setLayer().
Referenced by QgsLinePatternFillSymbolLayer::applyPattern(), QgsComposerMap::drawGridLine(), QgsVectorFieldSymbolLayer::renderPoint(), and QgsImageFillSymbolLayer::renderPolygon().
void QgsLineSymbolV2::setWidth | ( | double | width | ) |
Definition at line 578 of file qgssymbolv2.cpp.
References QgsSymbolV2::layer(), QgsSymbolV2::mLayers, QgsLineSymbolLayerV2::setWidth(), width(), and QgsLineSymbolLayerV2::width().
Referenced by QgsComposerMap::readXML(), QgsComposerMap::setGridPenWidth(), QgsLinePatternFillSymbolLayer::setLineWidth(), QgsSingleSymbolRendererV2::symbolForFeature(), QgsGraduatedSymbolRendererV2::symbolForFeature(), and QgsCategorizedSymbolRendererV2::symbolForFeature().
double QgsLineSymbolV2::width | ( | ) |
Definition at line 598 of file qgssymbolv2.cpp.
References QgsSymbolV2::layer(), QgsSymbolV2::mLayers, and QgsLineSymbolLayerV2::width().
Referenced by QgsComposerMap::gridPen(), and setWidth().