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Fixed indentation
This commit is contained in:
Martin Dobias
parent
3853fc232a
commit
25346fe98f
@ -5,76 +5,76 @@ class QgsInvertedPolygonRenderer : public QgsFeatureRendererV2
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%End
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public:
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/** Constructor
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* @param embeddedRenderer optional embeddedRenderer. If null, a default one will be assigned
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*/
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QgsInvertedPolygonRenderer( const QgsFeatureRendererV2* embeddedRenderer = 0 );
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virtual ~QgsInvertedPolygonRenderer();
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/** Constructor
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* @param embeddedRenderer optional embeddedRenderer. If null, a default one will be assigned
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*/
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QgsInvertedPolygonRenderer( const QgsFeatureRendererV2* embeddedRenderer = 0 );
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virtual ~QgsInvertedPolygonRenderer();
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/** Used to clone this feature renderer.*/
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virtual QgsFeatureRendererV2* clone();
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/** Used to clone this feature renderer.*/
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virtual QgsFeatureRendererV2* clone();
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virtual void startRender( QgsRenderContext& context, const QgsFields& fields );
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virtual void startRender( QgsRenderContext& context, const QgsFields& fields );
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/** Renders a given feature.
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* This will here collect features. The actual rendering will be postponed to stopRender()
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* @param feature the feature to render
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* @param context the rendering context
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* @param layer the symbol layer to render, if that makes sense
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* @param selected whether this feature has been selected (this will add decorations)
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* @param drawVertexMarker whether this feature has vertex markers (in edit mode usually)
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* @returns true if the rendering was ok
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*/
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virtual bool renderFeature( QgsFeature& feature, QgsRenderContext& context, int layer = -1, bool selected = false, bool drawVertexMarker = false );
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/** Renders a given feature.
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* This will here collect features. The actual rendering will be postponed to stopRender()
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* @param feature the feature to render
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* @param context the rendering context
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* @param layer the symbol layer to render, if that makes sense
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* @param selected whether this feature has been selected (this will add decorations)
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* @param drawVertexMarker whether this feature has vertex markers (in edit mode usually)
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* @returns true if the rendering was ok
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*/
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virtual bool renderFeature( QgsFeature& feature, QgsRenderContext& context, int layer = -1, bool selected = false, bool drawVertexMarker = false );
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/**
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* The actual rendering will take place here.
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* Features collected during renderFeature() are rendered using the embedded feature renderer
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*/
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virtual void stopRender( QgsRenderContext& context );
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/**
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* The actual rendering will take place here.
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* Features collected during renderFeature() are rendered using the embedded feature renderer
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*/
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virtual void stopRender( QgsRenderContext& context );
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/** @returns a textual reprensation of the renderer */
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virtual QString dump() const;
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/** @returns a textual reprensation of the renderer */
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virtual QString dump() const;
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/** Proxy that will call this method on the embedded renderer. */
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virtual QList<QString> usedAttributes();
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/** Proxy that will call this method on the embedded renderer. */
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virtual int capabilities();
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/** Proxy that will call this method on the embedded renderer. */
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virtual QgsSymbolV2List symbols();
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/** Proxy that will call this method on the embedded renderer. */
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virtual QgsSymbolV2* symbolForFeature( QgsFeature& feature );
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/** Proxy that will call this method on the embedded renderer. */
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virtual QgsSymbolV2List symbolsForFeature( QgsFeature& feat );
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/** Proxy that will call this method on the embedded renderer. */
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virtual QgsLegendSymbologyList legendSymbologyItems( QSize iconSize );
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/** Proxy that will call this method on the embedded renderer. */
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virtual bool willRenderFeature( QgsFeature& feat );
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/** Proxy that will call this method on the embedded renderer. */
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virtual QList<QString> usedAttributes();
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/** Proxy that will call this method on the embedded renderer. */
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virtual int capabilities();
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/** Proxy that will call this method on the embedded renderer. */
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virtual QgsSymbolV2List symbols();
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/** Proxy that will call this method on the embedded renderer. */
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virtual QgsSymbolV2* symbolForFeature( QgsFeature& feature );
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/** Proxy that will call this method on the embedded renderer. */
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virtual QgsSymbolV2List symbolsForFeature( QgsFeature& feat );
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/** Proxy that will call this method on the embedded renderer. */
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virtual QgsLegendSymbologyList legendSymbologyItems( QSize iconSize );
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/** Proxy that will call this method on the embedded renderer. */
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virtual bool willRenderFeature( QgsFeature& feat );
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/** Creates a renderer out of an XML, for loading*/
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static QgsFeatureRendererV2* create( QDomElement& element );
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/** Creates a renderer out of an XML, for loading*/
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static QgsFeatureRendererV2* create( QDomElement& element );
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/** Creates an XML representation of the renderer. Used for saving purpose
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* @param doc the XML document where to create the XML subtree
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* @returns the created XML subtree
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*/
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virtual QDomElement save( QDomDocument& doc );
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/** Creates an XML representation of the renderer. Used for saving purpose
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* @param doc the XML document where to create the XML subtree
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* @returns the created XML subtree
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*/
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virtual QDomElement save( QDomDocument& doc );
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/** sets the embedded renderer
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* @param subRenderer the embedded renderer (will be cloned)
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*/
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void setEmbeddedRenderer( const QgsFeatureRendererV2* subRenderer );
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/** @returns the current embedded renderer
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*/
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const QgsFeatureRendererV2* embeddedRenderer() const;
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/** @returns true if the geometries are to be preprocessed (merged with an union) before rendering.*/
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/** sets the embedded renderer
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* @param subRenderer the embedded renderer (will be cloned)
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*/
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void setEmbeddedRenderer( const QgsFeatureRendererV2* subRenderer );
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/** @returns the current embedded renderer
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*/
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const QgsFeatureRendererV2* embeddedRenderer() const;
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/** @returns true if the geometries are to be preprocessed (merged with an union) before rendering.*/
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bool preprocessingEnabled() const;
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/**
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@param enabled enables or disables the preprocessing.
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When enabled, geometries will be merged with an union before being rendered.
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It allows to fix some rendering artefacts (when rendering overlapping polygons for instance).
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This will involve some CPU-demanding computations and is thus disabled by default.
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*/
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void setPreprocessingEnabled( bool enabled );
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bool preprocessingEnabled() const;
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/**
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@param enabled enables or disables the preprocessing.
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When enabled, geometries will be merged with an union before being rendered.
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It allows to fix some rendering artefacts (when rendering overlapping polygons for instance).
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This will involve some CPU-demanding computations and is thus disabled by default.
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*/
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void setPreprocessingEnabled( bool enabled );
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};
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@ -28,12 +28,14 @@
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#include <QDomElement>
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QgsInvertedPolygonRenderer::QgsInvertedPolygonRenderer( const QgsFeatureRendererV2* subRenderer )
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: QgsFeatureRendererV2( "invertedPolygonRenderer" ), mPreprocessingEnabled( false )
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: QgsFeatureRendererV2( "invertedPolygonRenderer" ), mPreprocessingEnabled( false )
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{
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if ( subRenderer ) {
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if ( subRenderer )
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{
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setEmbeddedRenderer( subRenderer );
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}
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else {
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else
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{
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mSubRenderer.reset( QgsFeatureRendererV2::defaultRenderer( QGis::Polygon ) );
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}
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}
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@ -44,10 +46,12 @@ QgsInvertedPolygonRenderer::~QgsInvertedPolygonRenderer()
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void QgsInvertedPolygonRenderer::setEmbeddedRenderer( const QgsFeatureRendererV2* subRenderer )
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{
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if ( subRenderer ) {
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mSubRenderer.reset( const_cast<QgsFeatureRendererV2*>(subRenderer)->clone() );
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if ( subRenderer )
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{
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mSubRenderer.reset( const_cast<QgsFeatureRendererV2*>( subRenderer )->clone() );
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}
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else {
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else
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{
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mSubRenderer.reset( 0 );
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}
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}
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@ -59,7 +63,8 @@ const QgsFeatureRendererV2* QgsInvertedPolygonRenderer::embeddedRenderer() const
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void QgsInvertedPolygonRenderer::startRender( QgsRenderContext& context, const QgsFields& fields )
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{
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if ( !mSubRenderer ) {
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if ( !mSubRenderer )
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{
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return;
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}
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@ -99,7 +104,7 @@ void QgsInvertedPolygonRenderer::startRender( QgsRenderContext& context, const Q
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if ( context.coordinateTransform() )
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{
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// disable projection
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mContext.setCoordinateTransform(0);
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mContext.setCoordinateTransform( 0 );
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// recompute extent so that polygon clipping is correct
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QRect v( context.painter()->viewport() );
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mContext.setExtent( QgsRectangle( mtp.toMapCoordinates( v.topLeft() ), mtp.toMapCoordinates( v.bottomRight() ) ) );
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@ -107,7 +112,7 @@ void QgsInvertedPolygonRenderer::startRender( QgsRenderContext& context, const Q
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}
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mExtentPolygon.clear();
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mExtentPolygon.append(exteriorRing);
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mExtentPolygon.append( exteriorRing );
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mSubRenderer->startRender( mContext, fields );
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}
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@ -122,7 +127,7 @@ bool QgsInvertedPolygonRenderer::renderFeature( QgsFeature& feature, QgsRenderCo
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// store this feature as a feature to render with decoration if needed
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if ( selected || drawVertexMarker )
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{
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mFeatureDecorations.append( FeatureDecoration( feature, selected, drawVertexMarker, layer) );
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mFeatureDecorations.append( FeatureDecoration( feature, selected, drawVertexMarker, layer ) );
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}
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// Features are grouped by category of symbols (returned by symbol(s)ForFeature)
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@ -131,7 +136,7 @@ bool QgsInvertedPolygonRenderer::renderFeature( QgsFeature& feature, QgsRenderCo
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// that have transparency.
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//
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// In order to assign a unique category to a set of symbols
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// during each rendering session (between startRender() and stopRender()),
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// during each rendering session (between startRender() and stopRender()),
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// we build an unique id as a QByteArray that is the concatenation
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// of each symbol's memory address.
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// The only assumption made here is that symbol(s)ForFeature will
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@ -140,19 +145,21 @@ bool QgsInvertedPolygonRenderer::renderFeature( QgsFeature& feature, QgsRenderCo
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// This QByteArray can then be used as a key for a QMap where the list of
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// features for this category is stored
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QByteArray catId;
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if ( capabilities() & MoreSymbolsPerFeature ) {
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if ( capabilities() & MoreSymbolsPerFeature )
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{
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QgsSymbolV2List syms( mSubRenderer->symbolsForFeature( feature ) );
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foreach ( QgsSymbolV2* sym, syms )
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{
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// append the memory address
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catId.append( reinterpret_cast<const char*>(&sym), sizeof(sym) );
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catId.append( reinterpret_cast<const char*>( &sym ), sizeof( sym ) );
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}
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}
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else
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{
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QgsSymbolV2* sym = mSubRenderer->symbolForFeature( feature );
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if (sym) {
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catId.append( reinterpret_cast<const char*>(&sym), sizeof(sym) );
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if ( sym )
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{
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catId.append( reinterpret_cast<const char*>( &sym ), sizeof( sym ) );
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}
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}
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@ -161,7 +168,7 @@ bool QgsInvertedPolygonRenderer::renderFeature( QgsFeature& feature, QgsRenderCo
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return false;
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}
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if ( ! mSymbolCategories.contains(catId) )
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if ( ! mSymbolCategories.contains( catId ) )
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{
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// the exterior ring must be a square in the destination CRS
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CombinedFeature cFeat;
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@ -187,12 +194,14 @@ bool QgsInvertedPolygonRenderer::renderFeature( QgsFeature& feature, QgsRenderCo
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geom->transform( *xform );
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}
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if ( (geom->wkbType() == QGis::WKBPolygon) ||
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(geom->wkbType() == QGis::WKBPolygon25D) ) {
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multi.append(geom->asPolygon() );
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if (( geom->wkbType() == QGis::WKBPolygon ) ||
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( geom->wkbType() == QGis::WKBPolygon25D ) )
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{
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multi.append( geom->asPolygon() );
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}
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else if ( (geom->wkbType() == QGis::WKBMultiPolygon) ||
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(geom->wkbType() == QGis::WKBMultiPolygon25D) ) {
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else if (( geom->wkbType() == QGis::WKBMultiPolygon ) ||
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( geom->wkbType() == QGis::WKBMultiPolygon25D ) )
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{
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multi = geom->asMultiPolygon();
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}
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@ -202,7 +211,7 @@ bool QgsInvertedPolygonRenderer::renderFeature( QgsFeature& feature, QgsRenderCo
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if ( ! cFeat.feature.geometry() )
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{
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// first feature: add the current geometry
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cFeat.feature.setGeometry( new QgsGeometry(*geom) );
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cFeat.feature.setGeometry( new QgsGeometry( *geom ) );
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}
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else
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{
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@ -227,12 +236,14 @@ bool QgsInvertedPolygonRenderer::renderFeature( QgsFeature& feature, QgsRenderCo
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// No validity check is done, on purpose, it will be very slow and painting
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// operations do not need geometries to be valid
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for ( int i = 0; i < multi.size(); i++ ) {
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for ( int i = 0; i < multi.size(); i++ )
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{
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// add the exterior ring as interior ring to the first polygon
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cFeat.multiPolygon[0].append( multi[i][0] );
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// add interior rings as new polygons
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for ( int j = 1; j < multi[i].size(); j++ ) {
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for ( int j = 1; j < multi[i].size(); j++ )
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{
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QgsPolygon new_poly;
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new_poly.append( multi[i][j] );
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cFeat.multiPolygon.append( new_poly );
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@ -244,7 +255,8 @@ bool QgsInvertedPolygonRenderer::renderFeature( QgsFeature& feature, QgsRenderCo
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void QgsInvertedPolygonRenderer::stopRender( QgsRenderContext& context )
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{
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if ( !mSubRenderer ) {
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if ( !mSubRenderer )
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{
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return;
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}
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if ( !context.painter() )
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@ -252,7 +264,7 @@ void QgsInvertedPolygonRenderer::stopRender( QgsRenderContext& context )
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return;
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}
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for ( FeatureCategoryMap::iterator cit = mFeaturesCategoryMap.begin(); cit != mFeaturesCategoryMap.end(); ++cit)
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for ( FeatureCategoryMap::iterator cit = mFeaturesCategoryMap.begin(); cit != mFeaturesCategoryMap.end(); ++cit )
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{
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QgsFeature feat( cit->feature );
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if ( !mPreprocessingEnabled )
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@ -289,7 +301,7 @@ void QgsInvertedPolygonRenderer::stopRender( QgsRenderContext& context )
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}
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// draw feature decorations
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foreach (FeatureDecoration deco, mFeatureDecorations )
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foreach ( FeatureDecoration deco, mFeatureDecorations )
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{
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mSubRenderer->renderFeature( deco.feature, mContext, deco.layer, deco.selected, deco.drawMarkers );
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}
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@ -299,7 +311,8 @@ void QgsInvertedPolygonRenderer::stopRender( QgsRenderContext& context )
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QString QgsInvertedPolygonRenderer::dump() const
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{
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if ( !mSubRenderer ) {
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if ( !mSubRenderer )
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{
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return "INVERTED: NULL";
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}
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return "INVERTED [" + mSubRenderer->dump() + "]";
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@ -350,7 +363,8 @@ QDomElement QgsInvertedPolygonRenderer::save( QDomDocument& doc )
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QgsSymbolV2* QgsInvertedPolygonRenderer::symbolForFeature( QgsFeature& feature )
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{
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if ( !mSubRenderer ) {
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if ( !mSubRenderer )
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{
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return 0;
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}
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return mSubRenderer->symbolForFeature( feature );
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@ -358,7 +372,8 @@ QgsSymbolV2* QgsInvertedPolygonRenderer::symbolForFeature( QgsFeature& feature )
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QgsSymbolV2List QgsInvertedPolygonRenderer::symbolsForFeature( QgsFeature& feature )
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{
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if ( !mSubRenderer ) {
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if ( !mSubRenderer )
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{
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return QgsSymbolV2List();
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}
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return mSubRenderer->symbolsForFeature( feature );
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@ -366,7 +381,8 @@ QgsSymbolV2List QgsInvertedPolygonRenderer::symbolsForFeature( QgsFeature& featu
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QgsSymbolV2List QgsInvertedPolygonRenderer::symbols()
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{
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if ( !mSubRenderer ) {
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if ( !mSubRenderer )
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{
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return QgsSymbolV2List();
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}
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return mSubRenderer->symbols();
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@ -374,7 +390,8 @@ QgsSymbolV2List QgsInvertedPolygonRenderer::symbols()
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int QgsInvertedPolygonRenderer::capabilities()
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{
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if ( !mSubRenderer ) {
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if ( !mSubRenderer )
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{
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return 0;
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}
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return mSubRenderer->capabilities();
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@ -382,7 +399,8 @@ int QgsInvertedPolygonRenderer::capabilities()
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QList<QString> QgsInvertedPolygonRenderer::usedAttributes()
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{
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if ( !mSubRenderer ) {
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if ( !mSubRenderer )
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{
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return QList<QString>();
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}
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return mSubRenderer->usedAttributes();
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@ -390,7 +408,8 @@ QList<QString> QgsInvertedPolygonRenderer::usedAttributes()
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QgsLegendSymbologyList QgsInvertedPolygonRenderer::legendSymbologyItems( QSize iconSize )
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{
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if ( !mSubRenderer ) {
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if ( !mSubRenderer )
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{
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return QgsLegendSymbologyList();
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}
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return mSubRenderer->legendSymbologyItems( iconSize );
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@ -398,7 +417,8 @@ QgsLegendSymbologyList QgsInvertedPolygonRenderer::legendSymbologyItems( QSize i
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QgsLegendSymbolList QgsInvertedPolygonRenderer::legendSymbolItems( double scaleDenominator, QString rule )
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{
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if ( !mSubRenderer ) {
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if ( !mSubRenderer )
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{
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return QgsLegendSymbolList();
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}
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return mSubRenderer->legendSymbolItems( scaleDenominator, rule );
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@ -406,8 +426,10 @@ QgsLegendSymbolList QgsInvertedPolygonRenderer::legendSymbolItems( double scaleD
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bool QgsInvertedPolygonRenderer::willRenderFeature( QgsFeature& feat )
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{
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if ( !mSubRenderer ) {
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if ( !mSubRenderer )
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{
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return false;
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}
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return mSubRenderer->willRenderFeature( feat );
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}
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@ -31,7 +31,7 @@
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*
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* It is designed on top of another feature renderer, which is called "embedded"
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* Most of the methods are then only proxies to the embedded renderer.
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*
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*
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* Features are collected to form one "inverted" polygon
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* during renderFeature() and rendered on stopRender().
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*/
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@ -39,128 +39,128 @@ class CORE_EXPORT QgsInvertedPolygonRenderer : public QgsFeatureRendererV2
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{
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public:
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||||
|
||||
/** Constructor
|
||||
* @param embeddedRenderer optional embeddedRenderer. If null, a default one will be assigned
|
||||
*/
|
||||
QgsInvertedPolygonRenderer( const QgsFeatureRendererV2* embeddedRenderer = 0 );
|
||||
virtual ~QgsInvertedPolygonRenderer();
|
||||
/** Constructor
|
||||
* @param embeddedRenderer optional embeddedRenderer. If null, a default one will be assigned
|
||||
*/
|
||||
QgsInvertedPolygonRenderer( const QgsFeatureRendererV2* embeddedRenderer = 0 );
|
||||
virtual ~QgsInvertedPolygonRenderer();
|
||||
|
||||
/** Used to clone this feature renderer.*/
|
||||
virtual QgsFeatureRendererV2* clone();
|
||||
/** Used to clone this feature renderer.*/
|
||||
virtual QgsFeatureRendererV2* clone();
|
||||
|
||||
virtual void startRender( QgsRenderContext& context, const QgsFields& fields );
|
||||
virtual void startRender( QgsRenderContext& context, const QgsFields& fields );
|
||||
|
||||
/** Renders a given feature.
|
||||
* This will here collect features. The actual rendering will be postponed to stopRender()
|
||||
* @param feature the feature to render
|
||||
* @param context the rendering context
|
||||
* @param layer the symbol layer to render, if that makes sense
|
||||
* @param selected whether this feature has been selected (this will add decorations)
|
||||
* @param drawVertexMarker whether this feature has vertex markers (in edit mode usually)
|
||||
* @returns true if the rendering was ok
|
||||
*/
|
||||
virtual bool renderFeature( QgsFeature& feature, QgsRenderContext& context, int layer = -1, bool selected = false, bool drawVertexMarker = false );
|
||||
/** Renders a given feature.
|
||||
* This will here collect features. The actual rendering will be postponed to stopRender()
|
||||
* @param feature the feature to render
|
||||
* @param context the rendering context
|
||||
* @param layer the symbol layer to render, if that makes sense
|
||||
* @param selected whether this feature has been selected (this will add decorations)
|
||||
* @param drawVertexMarker whether this feature has vertex markers (in edit mode usually)
|
||||
* @returns true if the rendering was ok
|
||||
*/
|
||||
virtual bool renderFeature( QgsFeature& feature, QgsRenderContext& context, int layer = -1, bool selected = false, bool drawVertexMarker = false );
|
||||
|
||||
/**
|
||||
* The actual rendering will take place here.
|
||||
* Features collected during renderFeature() are rendered using the embedded feature renderer
|
||||
*/
|
||||
virtual void stopRender( QgsRenderContext& context );
|
||||
/**
|
||||
* The actual rendering will take place here.
|
||||
* Features collected during renderFeature() are rendered using the embedded feature renderer
|
||||
*/
|
||||
virtual void stopRender( QgsRenderContext& context );
|
||||
|
||||
/** @returns a textual reprensation of the renderer */
|
||||
virtual QString dump() const;
|
||||
/** @returns a textual reprensation of the renderer */
|
||||
virtual QString dump() const;
|
||||
|
||||
/** Proxy that will call this method on the embedded renderer. */
|
||||
virtual QList<QString> usedAttributes();
|
||||
/** Proxy that will call this method on the embedded renderer. */
|
||||
virtual int capabilities();
|
||||
/** Proxy that will call this method on the embedded renderer. */
|
||||
virtual QgsSymbolV2List symbols();
|
||||
/** Proxy that will call this method on the embedded renderer. */
|
||||
virtual QgsSymbolV2* symbolForFeature( QgsFeature& feature );
|
||||
/** Proxy that will call this method on the embedded renderer. */
|
||||
virtual QgsSymbolV2List symbolsForFeature( QgsFeature& feat );
|
||||
/** Proxy that will call this method on the embedded renderer. */
|
||||
virtual QgsLegendSymbologyList legendSymbologyItems( QSize iconSize );
|
||||
/** Proxy that will call this method on the embedded renderer. */
|
||||
virtual QgsLegendSymbolList legendSymbolItems( double scaleDenominator = -1, QString rule = "" );
|
||||
/** Proxy that will call this method on the embedded renderer. */
|
||||
virtual bool willRenderFeature( QgsFeature& feat );
|
||||
/** Proxy that will call this method on the embedded renderer. */
|
||||
virtual QList<QString> usedAttributes();
|
||||
/** Proxy that will call this method on the embedded renderer. */
|
||||
virtual int capabilities();
|
||||
/** Proxy that will call this method on the embedded renderer. */
|
||||
virtual QgsSymbolV2List symbols();
|
||||
/** Proxy that will call this method on the embedded renderer. */
|
||||
virtual QgsSymbolV2* symbolForFeature( QgsFeature& feature );
|
||||
/** Proxy that will call this method on the embedded renderer. */
|
||||
virtual QgsSymbolV2List symbolsForFeature( QgsFeature& feat );
|
||||
/** Proxy that will call this method on the embedded renderer. */
|
||||
virtual QgsLegendSymbologyList legendSymbologyItems( QSize iconSize );
|
||||
/** Proxy that will call this method on the embedded renderer. */
|
||||
virtual QgsLegendSymbolList legendSymbolItems( double scaleDenominator = -1, QString rule = "" );
|
||||
/** Proxy that will call this method on the embedded renderer. */
|
||||
virtual bool willRenderFeature( QgsFeature& feat );
|
||||
|
||||
/** Creates a renderer out of an XML, for loading*/
|
||||
static QgsFeatureRendererV2* create( QDomElement& element );
|
||||
/** Creates a renderer out of an XML, for loading*/
|
||||
static QgsFeatureRendererV2* create( QDomElement& element );
|
||||
|
||||
/** Creates an XML representation of the renderer. Used for saving purpose
|
||||
* @param doc the XML document where to create the XML subtree
|
||||
* @returns the created XML subtree
|
||||
*/
|
||||
virtual QDomElement save( QDomDocument& doc );
|
||||
/** Creates an XML representation of the renderer. Used for saving purpose
|
||||
* @param doc the XML document where to create the XML subtree
|
||||
* @returns the created XML subtree
|
||||
*/
|
||||
virtual QDomElement save( QDomDocument& doc );
|
||||
|
||||
/** sets the embedded renderer
|
||||
* @param subRenderer the embedded renderer (will be cloned)
|
||||
*/
|
||||
void setEmbeddedRenderer( const QgsFeatureRendererV2* subRenderer );
|
||||
/** @returns the current embedded renderer
|
||||
*/
|
||||
const QgsFeatureRendererV2* embeddedRenderer() const;
|
||||
/** sets the embedded renderer
|
||||
* @param subRenderer the embedded renderer (will be cloned)
|
||||
*/
|
||||
void setEmbeddedRenderer( const QgsFeatureRendererV2* subRenderer );
|
||||
/** @returns the current embedded renderer
|
||||
*/
|
||||
const QgsFeatureRendererV2* embeddedRenderer() const;
|
||||
|
||||
/** @returns true if the geometries are to be preprocessed (merged with an union) before rendering.*/
|
||||
bool preprocessingEnabled() const { return mPreprocessingEnabled; }
|
||||
/**
|
||||
@param enabled enables or disables the preprocessing.
|
||||
When enabled, geometries will be merged with an union before being rendered.
|
||||
It allows to fix some rendering artefacts (when rendering overlapping polygons for instance).
|
||||
This will involve some CPU-demanding computations and is thus disabled by default.
|
||||
*/
|
||||
void setPreprocessingEnabled( bool enabled ) { mPreprocessingEnabled = enabled; }
|
||||
/** @returns true if the geometries are to be preprocessed (merged with an union) before rendering.*/
|
||||
bool preprocessingEnabled() const { return mPreprocessingEnabled; }
|
||||
/**
|
||||
@param enabled enables or disables the preprocessing.
|
||||
When enabled, geometries will be merged with an union before being rendered.
|
||||
It allows to fix some rendering artefacts (when rendering overlapping polygons for instance).
|
||||
This will involve some CPU-demanding computations and is thus disabled by default.
|
||||
*/
|
||||
void setPreprocessingEnabled( bool enabled ) { mPreprocessingEnabled = enabled; }
|
||||
|
||||
private:
|
||||
/** Private copy constructor. @see clone() */
|
||||
QgsInvertedPolygonRenderer( const QgsInvertedPolygonRenderer& );
|
||||
/** Private assignment operator. @see clone() */
|
||||
QgsInvertedPolygonRenderer& operator=( const QgsInvertedPolygonRenderer& );
|
||||
private:
|
||||
/** Private copy constructor. @see clone() */
|
||||
QgsInvertedPolygonRenderer( const QgsInvertedPolygonRenderer& );
|
||||
/** Private assignment operator. @see clone() */
|
||||
QgsInvertedPolygonRenderer& operator=( const QgsInvertedPolygonRenderer& );
|
||||
|
||||
/** Embedded renderer */
|
||||
QScopedPointer<QgsFeatureRendererV2> mSubRenderer;
|
||||
/** Embedded renderer */
|
||||
QScopedPointer<QgsFeatureRendererV2> mSubRenderer;
|
||||
|
||||
/** Structure where the reversed geometry is built during renderFeature */
|
||||
struct CombinedFeature
|
||||
{
|
||||
QgsMultiPolygon multiPolygon; //< the final combined geometry
|
||||
QgsFeature feature; //< one feature (for attriute-based rendering)
|
||||
};
|
||||
typedef QVector<CombinedFeature> FeatureCategoryMap;
|
||||
/** where features are stored, based on the index of their symbol category @see mSymbolCategories */
|
||||
FeatureCategoryMap mFeaturesCategoryMap;
|
||||
/** Structure where the reversed geometry is built during renderFeature */
|
||||
struct CombinedFeature
|
||||
{
|
||||
QgsMultiPolygon multiPolygon; //< the final combined geometry
|
||||
QgsFeature feature; //< one feature (for attriute-based rendering)
|
||||
};
|
||||
typedef QVector<CombinedFeature> FeatureCategoryMap;
|
||||
/** where features are stored, based on the index of their symbol category @see mSymbolCategories */
|
||||
FeatureCategoryMap mFeaturesCategoryMap;
|
||||
|
||||
/** maps a category to an index */
|
||||
QMap<QByteArray, int> mSymbolCategories;
|
||||
/** maps a category to an index */
|
||||
QMap<QByteArray, int> mSymbolCategories;
|
||||
|
||||
/** the polygon used as exterior ring that covers the current extent */
|
||||
QgsPolygon mExtentPolygon;
|
||||
/** the polygon used as exterior ring that covers the current extent */
|
||||
QgsPolygon mExtentPolygon;
|
||||
|
||||
/** the context used for rendering */
|
||||
QgsRenderContext mContext;
|
||||
/** the context used for rendering */
|
||||
QgsRenderContext mContext;
|
||||
|
||||
/** fields of each feature*/
|
||||
QgsFields mFields;
|
||||
/** fields of each feature*/
|
||||
QgsFields mFields;
|
||||
|
||||
/** Class used to represent features that must be rendered
|
||||
with decorations (selection, vertex markers)
|
||||
*/
|
||||
struct FeatureDecoration
|
||||
{
|
||||
QgsFeature feature;
|
||||
bool selected;
|
||||
bool drawMarkers;
|
||||
int layer;
|
||||
FeatureDecoration( QgsFeature& a_feature, bool a_selected, bool a_drawMarkers, int a_layer ) :
|
||||
feature(a_feature),selected(a_selected), drawMarkers(a_drawMarkers), layer(a_layer) {}
|
||||
};
|
||||
QList<FeatureDecoration> mFeatureDecorations;
|
||||
/** Class used to represent features that must be rendered
|
||||
with decorations (selection, vertex markers)
|
||||
*/
|
||||
struct FeatureDecoration
|
||||
{
|
||||
QgsFeature feature;
|
||||
bool selected;
|
||||
bool drawMarkers;
|
||||
int layer;
|
||||
FeatureDecoration( QgsFeature& a_feature, bool a_selected, bool a_drawMarkers, int a_layer ) :
|
||||
feature( a_feature ), selected( a_selected ), drawMarkers( a_drawMarkers ), layer( a_layer ) {}
|
||||
};
|
||||
QList<FeatureDecoration> mFeatureDecorations;
|
||||
|
||||
/** whether to preprocess (merge) geometries before rendering*/
|
||||
bool mPreprocessingEnabled;
|
||||
/** whether to preprocess (merge) geometries before rendering*/
|
||||
bool mPreprocessingEnabled;
|
||||
};
|
||||
|
||||
|
||||
|
||||
@ -29,7 +29,8 @@ QgsRendererV2Widget* QgsInvertedPolygonRendererWidget::create( QgsVectorLayer* l
|
||||
QgsInvertedPolygonRendererWidget::QgsInvertedPolygonRendererWidget( QgsVectorLayer* layer, QgsStyleV2* style, QgsFeatureRendererV2* renderer )
|
||||
: QgsRendererV2Widget( layer, style )
|
||||
{
|
||||
if ( !layer ) {
|
||||
if ( !layer )
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
@ -66,7 +67,7 @@ QgsInvertedPolygonRendererWidget::QgsInvertedPolygonRendererWidget( QgsVectorLay
|
||||
else
|
||||
{
|
||||
// an existing inverted renderer
|
||||
mRenderer.reset( static_cast<QgsInvertedPolygonRenderer*>(renderer) );
|
||||
mRenderer.reset( static_cast<QgsInvertedPolygonRenderer*>( renderer ) );
|
||||
mMergePolygonsCheckBox->blockSignals( true );
|
||||
mMergePolygonsCheckBox->setCheckState( mRenderer->preprocessingEnabled() ? Qt::Checked : Qt::Unchecked );
|
||||
mMergePolygonsCheckBox->blockSignals( false );
|
||||
@ -81,7 +82,7 @@ QgsInvertedPolygonRendererWidget::QgsInvertedPolygonRendererWidget( QgsVectorLay
|
||||
for ( ; it != rendererList.constEnd(); ++it, ++idx )
|
||||
{
|
||||
if (( *it != "invertedPolygonRenderer" ) && //< an inverted renderer cannot contain another inverted renderer
|
||||
( *it != "pointDisplacement" )) //< an inverted renderer can only contain a polygon renderer
|
||||
( *it != "pointDisplacement" ) ) //< an inverted renderer can only contain a polygon renderer
|
||||
{
|
||||
QgsRendererV2AbstractMetadata* m = QgsRendererV2Registry::instance()->rendererMetadata( *it );
|
||||
mRendererComboBox->addItem( m->icon(), m->visibleName(), /* data */ *it );
|
||||
@ -123,9 +124,10 @@ void QgsInvertedPolygonRendererWidget::on_mRendererComboBox_currentIndexChanged(
|
||||
QgsRendererV2AbstractMetadata* m = QgsRendererV2Registry::instance()->rendererMetadata( rendererId );
|
||||
if ( m )
|
||||
{
|
||||
mEmbeddedRendererWidget.reset( m->createRendererWidget( mLayer, mStyle, const_cast<QgsFeatureRendererV2*>(mRenderer->embeddedRenderer())->clone() ) );
|
||||
mEmbeddedRendererWidget.reset( m->createRendererWidget( mLayer, mStyle, const_cast<QgsFeatureRendererV2*>( mRenderer->embeddedRenderer() )->clone() ) );
|
||||
|
||||
if ( mLayout->count() > 2 ) {
|
||||
if ( mLayout->count() > 2 )
|
||||
{
|
||||
// remove the current renderer widget
|
||||
mLayout->takeAt( 2 );
|
||||
}
|
||||
|
||||
@ -26,35 +26,35 @@ class QMenu;
|
||||
*/
|
||||
class GUI_EXPORT QgsInvertedPolygonRendererWidget : public QgsRendererV2Widget, private Ui::QgsInvertedPolygonRendererWidgetBase
|
||||
{
|
||||
Q_OBJECT
|
||||
Q_OBJECT
|
||||
|
||||
public:
|
||||
/** static creation method
|
||||
* @param layer the layer where this renderer is applied
|
||||
* @param style
|
||||
* @param renderer the mask renderer (will take ownership)
|
||||
*/
|
||||
static QgsRendererV2Widget* create( QgsVectorLayer* layer, QgsStyleV2* style, QgsFeatureRendererV2* renderer );
|
||||
public:
|
||||
/** static creation method
|
||||
* @param layer the layer where this renderer is applied
|
||||
* @param style
|
||||
* @param renderer the mask renderer (will take ownership)
|
||||
*/
|
||||
static QgsRendererV2Widget* create( QgsVectorLayer* layer, QgsStyleV2* style, QgsFeatureRendererV2* renderer );
|
||||
|
||||
/** Constructor
|
||||
* @param layer the layer where this renderer is applied
|
||||
* @param style
|
||||
* @param renderer the mask renderer (will take ownership)
|
||||
*/
|
||||
QgsInvertedPolygonRendererWidget( QgsVectorLayer* layer, QgsStyleV2* style, QgsFeatureRendererV2* renderer );
|
||||
/** Constructor
|
||||
* @param layer the layer where this renderer is applied
|
||||
* @param style
|
||||
* @param renderer the mask renderer (will take ownership)
|
||||
*/
|
||||
QgsInvertedPolygonRendererWidget( QgsVectorLayer* layer, QgsStyleV2* style, QgsFeatureRendererV2* renderer );
|
||||
|
||||
/** @returns the current feature renderer */
|
||||
virtual QgsFeatureRendererV2* renderer();
|
||||
/** @returns the current feature renderer */
|
||||
virtual QgsFeatureRendererV2* renderer();
|
||||
|
||||
protected:
|
||||
/** the mask renderer */
|
||||
QScopedPointer<QgsInvertedPolygonRenderer> mRenderer;
|
||||
/** the widget used to represent the mask's embedded renderer */
|
||||
QScopedPointer<QgsRendererV2Widget> mEmbeddedRendererWidget;
|
||||
protected:
|
||||
/** the mask renderer */
|
||||
QScopedPointer<QgsInvertedPolygonRenderer> mRenderer;
|
||||
/** the widget used to represent the mask's embedded renderer */
|
||||
QScopedPointer<QgsRendererV2Widget> mEmbeddedRendererWidget;
|
||||
|
||||
private slots:
|
||||
void on_mRendererComboBox_currentIndexChanged( int index );
|
||||
void on_mMergePolygonsCheckBox_stateChanged( int state );
|
||||
private slots:
|
||||
void on_mRendererComboBox_currentIndexChanged( int index );
|
||||
void on_mMergePolygonsCheckBox_stateChanged( int state );
|
||||
};
|
||||
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user