Quantum GIS API Documentation
1.7.5-Wroclaw
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#include <qgscategorizedsymbolrendererv2.h>
Public Member Functions | |
QgsCategorizedSymbolRendererV2 (QString attrName=QString(), QgsCategoryList categories=QgsCategoryList()) | |
virtual | ~QgsCategorizedSymbolRendererV2 () |
virtual QgsSymbolV2 * | symbolForFeature (QgsFeature &feature) |
virtual void | startRender (QgsRenderContext &context, const QgsVectorLayer *vlayer) |
virtual void | stopRender (QgsRenderContext &context) |
virtual QList< QString > | usedAttributes () |
virtual QString | dump () |
for debugging More... | |
virtual QgsFeatureRendererV2 * | clone () |
virtual QgsSymbolV2List | symbols () |
for symbol levels More... | |
const QgsCategoryList & | categories () |
int | categoryIndexForValue (QVariant val) |
return index of category with specified value (-1 if not found) More... | |
bool | updateCategoryValue (int catIndex, const QVariant &value) |
bool | updateCategorySymbol (int catIndex, QgsSymbolV2 *symbol) |
bool | updateCategoryLabel (int catIndex, QString label) |
void | addCategory (const QgsRendererCategoryV2 &category) |
bool | deleteCategory (int catIndex) |
void | deleteAllCategories () |
QString | classAttribute () const |
void | setClassAttribute (QString attr) |
virtual QDomElement | save (QDomDocument &doc) |
store renderer info to XML element More... | |
virtual QgsLegendSymbologyList | legendSymbologyItems (QSize iconSize) |
return a list of symbology items for the legend More... | |
virtual QgsLegendSymbolList | legendSymbolItems () |
return a list of item text / symbol More... | |
QgsSymbolV2 * | sourceSymbol () |
void | setSourceSymbol (QgsSymbolV2 *sym) |
QgsVectorColorRampV2 * | sourceColorRamp () |
void | setSourceColorRamp (QgsVectorColorRampV2 *ramp) |
void | setRotationField (QString fieldName) |
QString | rotationField () const |
void | setSizeScaleField (QString fieldName) |
QString | sizeScaleField () const |
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QString | type () const |
virtual | ~QgsFeatureRendererV2 () |
virtual void | renderFeature (QgsFeature &feature, QgsRenderContext &context, int layer=-1, bool selected=false, bool drawVertexMarker=false) |
bool | usingSymbolLevels () const |
void | setUsingSymbolLevels (bool usingSymbolLevels) |
bool | usingFirstRule () const |
void | setUsingFirstRule (bool usingFirstRule) |
void | setVertexMarkerAppearance (int type, int size) |
set type and size of editing vertex markers for subsequent rendering More... | |
Static Public Member Functions | |
static QgsFeatureRendererV2 * | create (QDomElement &element) |
create renderer from XML element More... | |
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static QgsFeatureRendererV2 * | defaultRenderer (QGis::GeometryType geomType) |
return a new renderer - used by default in vector layers More... | |
static QgsFeatureRendererV2 * | load (QDomElement &symbologyElem) |
create a renderer from XML element More... | |
Protected Member Functions | |
void | rebuildHash () |
QgsSymbolV2 * | symbolForValue (QVariant value) |
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QgsFeatureRendererV2 (QString type) | |
void | renderVertexMarker (QPointF &pt, QgsRenderContext &context) |
render editing vertex marker at specified point More... | |
void | renderVertexMarkerPolyline (QPolygonF &pts, QgsRenderContext &context) |
render editing vertex marker for a polyline More... | |
void | renderVertexMarkerPolygon (QPolygonF &pts, QList< QPolygonF > *rings, QgsRenderContext &context) |
render editing vertex marker for a polygon More... | |
Protected Attributes | |
QString | mAttrName |
QgsCategoryList | mCategories |
QgsSymbolV2 * | mSourceSymbol |
QgsVectorColorRampV2 * | mSourceColorRamp |
QString | mRotationField |
QString | mSizeScaleField |
int | mAttrNum |
attribute index (derived from attribute name in startRender) More... | |
int | mRotationFieldIdx |
int | mSizeScaleFieldIdx |
QHash< QString, QgsSymbolV2 * > | mSymbolHash |
hashtable for faster access to symbols More... | |
QHash< QString, QgsSymbolV2 * > | mTempSymbols |
temporary symbols, used for data-defined rotation and scaling More... | |
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QString | mType |
bool | mUsingSymbolLevels |
bool | mUsingFirstRule |
int | mCurrentVertexMarkerType |
The current type of editing marker. More... | |
int | mCurrentVertexMarkerSize |
The current size of editing marker. More... | |
Additional Inherited Members | |
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static unsigned char * | _getPoint (QPointF &pt, QgsRenderContext &context, unsigned char *wkb) |
static unsigned char * | _getLineString (QPolygonF &pts, QgsRenderContext &context, unsigned char *wkb) |
static unsigned char * | _getPolygon (QPolygonF &pts, QList< QPolygonF > &holes, QgsRenderContext &context, unsigned char *wkb) |
Definition at line 43 of file qgscategorizedsymbolrendererv2.h.
QgsCategorizedSymbolRendererV2::QgsCategorizedSymbolRendererV2 | ( | QString | attrName = QString() , |
QgsCategoryList | categories = QgsCategoryList() |
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Definition at line 73 of file qgscategorizedsymbolrendererv2.cpp.
References mCategories, QgsDebugMsg, and QgsRendererCategoryV2::symbol().
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Definition at line 94 of file qgscategorizedsymbolrendererv2.cpp.
References mCategories, mSourceColorRamp, and mSourceSymbol.
void QgsCategorizedSymbolRendererV2::addCategory | ( | const QgsRendererCategoryV2 & | category) |
Definition at line 214 of file qgscategorizedsymbolrendererv2.cpp.
References mCategories, QgsDebugMsg, and QgsRendererCategoryV2::symbol().
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Definition at line 65 of file qgscategorizedsymbolrendererv2.h.
Referenced by QgsAttributeEditor::createAttributeEditor(), legendSymbologyItems(), QgsRuleBasedRendererV2::refineRuleCategories(), and QgsSymbologyV2Conversion::rendererV2toV1().
int QgsCategorizedSymbolRendererV2::categoryIndexForValue | ( | QVariant | val) |
return index of category with specified value (-1 if not found)
Definition at line 180 of file qgscategorizedsymbolrendererv2.cpp.
References mCategories.
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Definition at line 78 of file qgscategorizedsymbolrendererv2.h.
Referenced by legendSymbolItems(), legendSymbologyItems(), QgsRuleBasedRendererV2::refineRuleCategories(), and QgsSymbologyV2Conversion::rendererV2toV1().
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Implements QgsFeatureRendererV2.
Definition at line 303 of file qgscategorizedsymbolrendererv2.cpp.
References QgsVectorColorRampV2::clone(), QgsSymbolV2::clone(), mAttrName, mCategories, mSourceColorRamp, mSourceSymbol, QgsCategorizedSymbolRendererV2(), rotationField(), setRotationField(), setSizeScaleField(), setSourceColorRamp(), setSourceSymbol(), QgsFeatureRendererV2::setUsingSymbolLevels(), sizeScaleField(), and QgsFeatureRendererV2::usingSymbolLevels().
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create renderer from XML element
Definition at line 324 of file qgscategorizedsymbolrendererv2.cpp.
References QgsSymbolLayerV2Utils::clearSymbolMap(), QgsSymbolLayerV2Utils::loadColorRamp(), QgsSymbolLayerV2Utils::loadSymbols(), QgsCategorizedSymbolRendererV2(), setRotationField(), setSizeScaleField(), setSourceColorRamp(), and setSourceSymbol().
Referenced by QgsRendererV2Registry::QgsRendererV2Registry().
void QgsCategorizedSymbolRendererV2::deleteAllCategories | ( | ) |
Definition at line 235 of file qgscategorizedsymbolrendererv2.cpp.
References mCategories.
bool QgsCategorizedSymbolRendererV2::deleteCategory | ( | int | catIndex) |
Definition at line 226 of file qgscategorizedsymbolrendererv2.cpp.
References mCategories.
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for debugging
Reimplemented from QgsFeatureRendererV2.
Definition at line 295 of file qgscategorizedsymbolrendererv2.cpp.
References mAttrName, and mCategories.
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return a list of item text / symbol
Reimplemented from QgsFeatureRendererV2.
Definition at line 472 of file qgscategorizedsymbolrendererv2.cpp.
References classAttribute(), and mCategories.
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return a list of symbology items for the legend
Reimplemented from QgsFeatureRendererV2.
Definition at line 451 of file qgscategorizedsymbolrendererv2.cpp.
References categories(), classAttribute(), QgsRendererCategoryV2::label(), QgsRendererCategoryV2::symbol(), and QgsSymbolLayerV2Utils::symbolPreviewPixmap().
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Definition at line 101 of file qgscategorizedsymbolrendererv2.cpp.
References mCategories, mSymbolHash, QgsRendererCategoryV2::symbol(), and QgsRendererCategoryV2::value().
Referenced by startRender().
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Definition at line 103 of file qgscategorizedsymbolrendererv2.h.
Referenced by clone().
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store renderer info to XML element
Reimplemented from QgsFeatureRendererV2.
Definition at line 392 of file qgscategorizedsymbolrendererv2.cpp.
References QgsRendererCategoryV2::label(), mAttrName, mCategories, mRotationField, mSizeScaleField, mSourceColorRamp, mSourceSymbol, QgsFeatureRendererV2::mUsingSymbolLevels, RENDERER_TAG_NAME, QgsSymbolLayerV2Utils::saveColorRamp(), QgsSymbolLayerV2Utils::saveSymbols(), QgsRendererCategoryV2::symbol(), symbols(), and QgsRendererCategoryV2::value().
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Definition at line 79 of file qgscategorizedsymbolrendererv2.h.
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Definition at line 101 of file qgscategorizedsymbolrendererv2.h.
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Definition at line 106 of file qgscategorizedsymbolrendererv2.h.
void QgsCategorizedSymbolRendererV2::setSourceColorRamp | ( | QgsVectorColorRampV2 * | ramp) |
Definition at line 506 of file qgscategorizedsymbolrendererv2.cpp.
References mSourceColorRamp.
void QgsCategorizedSymbolRendererV2::setSourceSymbol | ( | QgsSymbolV2 * | sym) |
Definition at line 496 of file qgscategorizedsymbolrendererv2.cpp.
References mSourceSymbol.
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Definition at line 108 of file qgscategorizedsymbolrendererv2.h.
Referenced by clone().
QgsVectorColorRampV2 * QgsCategorizedSymbolRendererV2::sourceColorRamp | ( | ) |
Definition at line 502 of file qgscategorizedsymbolrendererv2.cpp.
References mSourceColorRamp.
QgsSymbolV2 * QgsCategorizedSymbolRendererV2::sourceSymbol | ( | ) |
Definition at line 492 of file qgscategorizedsymbolrendererv2.cpp.
References mSourceSymbol.
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Implements QgsFeatureRendererV2.
Definition at line 240 of file qgscategorizedsymbolrendererv2.cpp.
References QgsSymbolV2::clone(), QgsSymbolV2::DataDefinedRotation, QgsSymbolV2::DataDefinedSizeScale, QgsVectorLayer::fieldNameIndex(), mAttrName, mAttrNum, mCategories, mRotationField, mRotationFieldIdx, mSizeScaleField, mSizeScaleFieldIdx, mTempSymbols, rebuildHash(), QgsSymbolV2::setRenderHints(), and QgsSymbolV2::startRender().
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Implements QgsFeatureRendererV2.
Definition at line 268 of file qgscategorizedsymbolrendererv2.cpp.
References mCategories, and mTempSymbols.
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Implements QgsFeatureRendererV2.
Definition at line 129 of file qgscategorizedsymbolrendererv2.cpp.
References QgsFeature::attributeMap(), QgsSymbolV2::Line, QgsSymbolV2::Marker, mAttrName, mAttrNum, mRotationFieldIdx, mSizeScaleFieldIdx, mTempSymbols, QgsDebugMsg, QgsMarkerSymbolV2::setAngle(), QgsMarkerSymbolV2::setSize(), QgsLineSymbolV2::setWidth(), symbolForValue(), and QgsSymbolV2::type().
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Definition at line 112 of file qgscategorizedsymbolrendererv2.cpp.
References mSymbolHash, and QgsDebugMsg.
Referenced by symbolForFeature().
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for symbol levels
Implements QgsFeatureRendererV2.
Definition at line 316 of file qgscategorizedsymbolrendererv2.cpp.
References mCategories.
Referenced by save().
bool QgsCategorizedSymbolRendererV2::updateCategoryLabel | ( | int | catIndex, |
QString | label | ||
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Definition at line 206 of file qgscategorizedsymbolrendererv2.cpp.
References mCategories.
bool QgsCategorizedSymbolRendererV2::updateCategorySymbol | ( | int | catIndex, |
QgsSymbolV2 * | symbol | ||
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Definition at line 198 of file qgscategorizedsymbolrendererv2.cpp.
References mCategories.
bool QgsCategorizedSymbolRendererV2::updateCategoryValue | ( | int | catIndex, |
const QVariant & | value | ||
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Definition at line 190 of file qgscategorizedsymbolrendererv2.cpp.
References mCategories.
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Implements QgsFeatureRendererV2.
Definition at line 284 of file qgscategorizedsymbolrendererv2.cpp.
References mAttrName, mRotationField, and mSizeScaleField.
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Definition at line 111 of file qgscategorizedsymbolrendererv2.h.
Referenced by clone(), dump(), save(), startRender(), symbolForFeature(), and usedAttributes().
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attribute index (derived from attribute name in startRender)
Definition at line 119 of file qgscategorizedsymbolrendererv2.h.
Referenced by startRender(), and symbolForFeature().
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Definition at line 112 of file qgscategorizedsymbolrendererv2.h.
Referenced by addCategory(), categoryIndexForValue(), clone(), deleteAllCategories(), deleteCategory(), dump(), legendSymbolItems(), QgsCategorizedSymbolRendererV2(), rebuildHash(), save(), startRender(), stopRender(), symbols(), updateCategoryLabel(), updateCategorySymbol(), updateCategoryValue(), and ~QgsCategorizedSymbolRendererV2().
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Definition at line 115 of file qgscategorizedsymbolrendererv2.h.
Referenced by save(), startRender(), and usedAttributes().
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Definition at line 120 of file qgscategorizedsymbolrendererv2.h.
Referenced by startRender(), and symbolForFeature().
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Definition at line 116 of file qgscategorizedsymbolrendererv2.h.
Referenced by save(), startRender(), and usedAttributes().
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Definition at line 120 of file qgscategorizedsymbolrendererv2.h.
Referenced by startRender(), and symbolForFeature().
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Definition at line 114 of file qgscategorizedsymbolrendererv2.h.
Referenced by clone(), save(), setSourceColorRamp(), sourceColorRamp(), and ~QgsCategorizedSymbolRendererV2().
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Definition at line 113 of file qgscategorizedsymbolrendererv2.h.
Referenced by clone(), save(), setSourceSymbol(), sourceSymbol(), and ~QgsCategorizedSymbolRendererV2().
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hashtable for faster access to symbols
Definition at line 123 of file qgscategorizedsymbolrendererv2.h.
Referenced by rebuildHash(), and symbolForValue().
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temporary symbols, used for data-defined rotation and scaling
Definition at line 126 of file qgscategorizedsymbolrendererv2.h.
Referenced by startRender(), stopRender(), and symbolForFeature().