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src
core
qgsvectorlayerrenderer.h
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/***************************************************************************
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qgsvectorlayerrenderer.h
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--------------------------------------
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Date : December 2013
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Copyright : (C) 2013 by Martin Dobias
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Email : wonder dot sk at gmail dot com
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef QGSVECTORLAYERRENDERER_H
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#define QGSVECTORLAYERRENDERER_H
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class
QgsFeatureRendererV2
;
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class
QgsRenderContext
;
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class
QgsVectorLayer
;
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class
QgsVectorLayerFeatureSource
;
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class
QgsDiagramRendererV2
;
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class
QgsDiagramLayerSettings
;
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class
QgsGeometryCache
;
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class
QgsFeatureIterator
;
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class
QgsSingleSymbolRendererV2
;
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#include <QList>
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#include <QPainter>
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typedef
QList<int>
QgsAttributeList
;
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#include "
qgis.h
"
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#include "
qgsfield.h
"
// QgsFields
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#include "
qgsfeature.h
"
// QgsFeatureIds
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#include "
qgsfeatureiterator.h
"
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#include "
qgsvectorsimplifymethod.h
"
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#include "
qgsmaplayerrenderer.h
"
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class
QgsVectorLayerRenderer
:
public
QgsMapLayerRenderer
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{
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public
:
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QgsVectorLayerRenderer
(
QgsVectorLayer
* layer,
QgsRenderContext
& context );
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~QgsVectorLayerRenderer
();
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virtual
bool
render
()
override
;
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void
setGeometryCachePointer
(
QgsGeometryCache
* cache );
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private
:
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void
prepareLabeling(
QgsVectorLayer
* layer,
QStringList
& attributeNames );
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void
prepareDiagrams(
QgsVectorLayer
* layer,
QStringList
& attributeNames );
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void
drawRendererV2(
QgsFeatureIterator
& fit );
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void
drawRendererV2Levels(
QgsFeatureIterator
& fit );
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void
stopRendererV2(
QgsSingleSymbolRendererV2
* selRenderer );
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protected
:
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QgsRenderContext
&
mContext
;
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QgsFields
mFields
;
// TODO: use fields from mSource
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QgsFeatureIds
mSelectedFeatureIds
;
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QgsVectorLayerFeatureSource
*
mSource
;
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QgsFeatureRendererV2
*
mRendererV2
;
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QgsGeometryCache
*
mCache
;
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bool
mDrawVertexMarkers
;
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bool
mVertexMarkerOnlyForSelection
;
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int
mVertexMarkerStyle
,
mVertexMarkerSize
;
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QGis::GeometryType
mGeometryType
;
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QStringList
mAttrNames
;
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bool
mLabeling
;
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bool
mDiagrams
;
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int
mLayerTransparency
;
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QPainter::CompositionMode
mFeatureBlendMode
;
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QgsVectorSimplifyMethod
mSimplifyMethod
;
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bool
mSimplifyGeometry
;
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};
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#endif // QGSVECTORLAYERRENDERER_H
QgsFeatureIterator
Wrapper for iterator of features from vector data provider or vector layer.
Definition:
qgsfeatureiterator.h:139
qgsfield.h
qgsfeature.h
QGis::GeometryType
GeometryType
Definition:
qgis.h:155
QgsVectorLayerRenderer::mSelectedFeatureIds
QgsFeatureIds mSelectedFeatureIds
Definition:
qgsvectorlayerrenderer.h:89
QgsVectorLayerRenderer::setGeometryCachePointer
void setGeometryCachePointer(QgsGeometryCache *cache)
where to save the cached geometries
Definition:
qgsvectorlayerrenderer.cpp:247
QgsVectorLayerRenderer::mFeatureBlendMode
QPainter::CompositionMode mFeatureBlendMode
Definition:
qgsvectorlayerrenderer.h:109
QgsFields
Container of fields for a vector layer.
Definition:
qgsfield.h:173
QgsVectorLayerRenderer::mContext
QgsRenderContext & mContext
Definition:
qgsvectorlayerrenderer.h:85
QgsSingleSymbolRendererV2
Definition:
qgssinglesymbolrendererv2.h:24
QgsVectorLayerRenderer::mSimplifyMethod
QgsVectorSimplifyMethod mSimplifyMethod
Definition:
qgsvectorlayerrenderer.h:111
QgsVectorLayerRenderer::mLabeling
bool mLabeling
Definition:
qgsvectorlayerrenderer.h:105
QgsDiagramRendererV2
Returns diagram settings for a feature.
Definition:
qgsdiagramrendererv2.h:182
QgsVectorLayerRenderer::mLayerTransparency
int mLayerTransparency
Definition:
qgsvectorlayerrenderer.h:108
QgsVectorLayerRenderer::mVertexMarkerStyle
int mVertexMarkerStyle
Definition:
qgsvectorlayerrenderer.h:99
qgsvectorsimplifymethod.h
QgsAttributeList
QList< int > QgsAttributeList
Definition:
qgsvectorlayerrenderer.h:29
QgsVectorLayerRenderer::QgsVectorLayerRenderer
QgsVectorLayerRenderer(QgsVectorLayer *layer, QgsRenderContext &context)
Definition:
qgsvectorlayerrenderer.cpp:40
QgsVectorLayerRenderer::mVertexMarkerOnlyForSelection
bool mVertexMarkerOnlyForSelection
Definition:
qgsvectorlayerrenderer.h:98
qgsfeatureiterator.h
QgsVectorLayerRenderer::mSource
QgsVectorLayerFeatureSource * mSource
Definition:
qgsvectorlayerrenderer.h:91
QSet
QgsVectorLayerRenderer::mRendererV2
QgsFeatureRendererV2 * mRendererV2
Definition:
qgsvectorlayerrenderer.h:93
QList< int >
QStringList
QgsVectorLayerFeatureSource
Partial snapshot of vector layer's state (only the members necessary for access to features) ...
Definition:
qgsvectorlayerfeatureiterator.h:33
QgsVectorLayerRenderer
Implementation of threaded rendering for vector layers.
Definition:
qgsvectorlayerrenderer.h:50
QgsDiagramLayerSettings
Definition:
qgsdiagramrendererv2.h:41
QgsGeometryCache
Definition:
qgsgeometrycache.h:10
QgsVectorLayerRenderer::render
virtual bool render() override
Do the rendering (based on data stored in the class)
Definition:
qgsvectorlayerrenderer.cpp:111
QgsVectorSimplifyMethod
This class contains information how to simplify geometries fetched from a vector layer.
Definition:
qgsvectorsimplifymethod.h:24
qgsmaplayerrenderer.h
QgsRenderContext
Contains information about the context of a rendering operation.
Definition:
qgsrendercontext.h:39
QgsVectorLayerRenderer::mAttrNames
QStringList mAttrNames
Definition:
qgsvectorlayerrenderer.h:103
QgsVectorLayerRenderer::mFields
QgsFields mFields
Definition:
qgsvectorlayerrenderer.h:87
QgsVectorLayerRenderer::mGeometryType
QGis::GeometryType mGeometryType
Definition:
qgsvectorlayerrenderer.h:101
QgsVectorLayerRenderer::mVertexMarkerSize
int mVertexMarkerSize
Definition:
qgsvectorlayerrenderer.h:99
QgsMapLayerRenderer
Base class for utility classes that encapsulate information necessary for rendering of map layers...
Definition:
qgsmaplayerrenderer.h:43
qgis.h
QgsFeatureRendererV2
Definition:
qgsrendererv2.h:74
QgsVectorLayer
Represents a vector layer which manages a vector based data sets.
Definition:
qgsvectorlayer.h:620
QgsVectorLayerRenderer::mDrawVertexMarkers
bool mDrawVertexMarkers
Definition:
qgsvectorlayerrenderer.h:97
QgsVectorLayerRenderer::mCache
QgsGeometryCache * mCache
Definition:
qgsvectorlayerrenderer.h:95
QgsVectorLayerRenderer::mDiagrams
bool mDiagrams
Definition:
qgsvectorlayerrenderer.h:106
QgsVectorLayerRenderer::~QgsVectorLayerRenderer
~QgsVectorLayerRenderer()
Definition:
qgsvectorlayerrenderer.cpp:104
QgsVectorLayerRenderer::mSimplifyGeometry
bool mSimplifyGeometry
Definition:
qgsvectorlayerrenderer.h:112
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