QgsGeometryCache Class Reference

#include <qgsgeometrycache.h>

Collaboration diagram for QgsGeometryCache:

Public Member Functions
	QgsGeometryCache (QgsVectorLayer *layer)
	~QgsGeometryCache ()
QgsGeometryMap &	cachedGeometries ()
bool	geometry (QgsFeatureId fid, QgsGeometry &geometry)
	fetch geometry from cache, return true if successful
void	cacheGeometry (QgsFeatureId fid, const QgsGeometry &geom)
	store a geometry in the cache
void	removeGeometry (QgsFeatureId fid)
	get rid of the cached geometry
void	deleteCachedGeometries ()
	Deletes the geometries in mCachedGeometries.
void	setCachedGeometriesRect (const QgsRectangle &extent)
const QgsRectangle &	cachedGeometriesRect ()

Protected Member Functions
QgsVectorLayerEditBuffer *	editBuffer ()

Protected Attributes
QgsVectorLayer *	L
QgsGeometryMap	mCachedGeometries
	cache of the committed geometries retrieved for the current display
QgsRectangle	mCachedGeometriesRect
	extent for which there are cached geometries

Detailed Description

Definition at line 8 of file qgsgeometrycache.h.

Constructor & Destructor Documentation

QgsGeometryCache::QgsGeometryCache

(

QgsVectorLayer *

layer

)

Definition at line 5 of file qgsgeometrycache.cpp.

QgsGeometryCache::~QgsGeometryCache

(

)

Definition at line 10 of file qgsgeometrycache.cpp.

References deleteCachedGeometries().

Member Function Documentation

QgsGeometryMap& QgsGeometryCache::cachedGeometries ( )

inline

Definition at line 14 of file qgsgeometrycache.h.

Referenced by QgsVectorLayer::snapWithContext().

const QgsRectangle& QgsGeometryCache::cachedGeometriesRect ( )

inline

Definition at line 30 of file qgsgeometrycache.h.

Referenced by QgsVectorLayer::snapWithContext().

void QgsGeometryCache::cacheGeometry	(	QgsFeatureId	fid,
		const QgsGeometry &	geom
	)

store a geometry in the cache

Definition at line 28 of file qgsgeometrycache.cpp.

References mCachedGeometries.

Referenced by QgsVectorLayer::drawRendererV2(), QgsVectorLayer::drawRendererV2Levels(), QgsVectorLayerUndoCommandAddFeature::redo(), QgsVectorLayerUndoCommandChangeGeometry::redo(), and QgsVectorLayerUndoCommandChangeGeometry::undo().

void QgsGeometryCache::deleteCachedGeometries

(

)

Deletes the geometries in mCachedGeometries.

Definition at line 34 of file qgsgeometrycache.cpp.

References mCachedGeometries, and mCachedGeometriesRect.

Referenced by QgsVectorLayer::commitChanges(), QgsVectorLayer::draw(), QgsVectorLayer::rollBack(), and ~QgsGeometryCache().

QgsVectorLayerEditBuffer* QgsGeometryCache::editBuffer ( )

inlineprotected

Definition at line 34 of file qgsgeometrycache.h.

bool QgsGeometryCache::geometry	(	QgsFeatureId	fid,
		QgsGeometry &	geometry
	)

fetch geometry from cache, return true if successful

Definition at line 16 of file qgsgeometrycache.cpp.

References mCachedGeometries.

Referenced by QgsVectorLayerEditUtils::addPart(), QgsVectorLayerEditUtils::deleteVertex(), QgsVectorLayerEditUtils::insertVertex(), QgsVectorLayerEditUtils::moveVertex(), QgsVectorLayerUndoCommandChangeGeometry::QgsVectorLayerUndoCommandChangeGeometry(), and QgsVectorLayerEditUtils::translateFeature().

void QgsGeometryCache::removeGeometry ( QgsFeatureId  fid )

inline

get rid of the cached geometry

Definition at line 23 of file qgsgeometrycache.h.

Referenced by QgsVectorLayerUndoCommandAddFeature::undo().

void QgsGeometryCache::setCachedGeometriesRect ( const QgsRectangle &  extent )

inline

Definition at line 29 of file qgsgeometrycache.h.

Referenced by QgsVectorLayer::draw().

Member Data Documentation

QgsVectorLayer* QgsGeometryCache::L

protected

Definition at line 36 of file qgsgeometrycache.h.

QgsGeometryMap QgsGeometryCache::mCachedGeometries

protected

cache of the committed geometries retrieved for the current display

Definition at line 39 of file qgsgeometrycache.h.

Referenced by cacheGeometry(), deleteCachedGeometries(), and geometry().

QgsRectangle QgsGeometryCache::mCachedGeometriesRect

protected

extent for which there are cached geometries

Definition at line 42 of file qgsgeometrycache.h.

Referenced by deleteCachedGeometries().

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The documentation for this class was generated from the following files:

• /tmp/buildd/qgis-2.0.1/src/core/qgsgeometrycache.h
• /tmp/buildd/qgis-2.0.1/src/core/qgsgeometrycache.cpp