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Enable disabled simplification code after merge MTR (2-2)

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Enable AntialiasingSimplification
This commit is contained in:
Alvaro Huarte 2014-05-26 17:30:41 +02:00
parent 4ab24a4f40
commit 83eec4ac46
6 changed files with 24 additions and 7 deletions
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4
python/core/qgsrendercontext.sip
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@ -72,4 +72,8 @@ class QgsRenderContext
/**Returns true if the rendering optimization (geometry simplification) can be executed*/
bool useRenderingOptimization() const;
void setUseRenderingOptimization( bool enabled );
//! Added in QGIS v2.4
const QgsVectorSimplifyMethod& vectorSimplifyMethod() const;
void setVectorSimplifyMethod( const QgsVectorSimplifyMethod& simplifyMethod );
};

2
src/core/qgsrendercontext.cpp
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@ -33,7 +33,7 @@ QgsRenderContext::QgsRenderContext()
mLabelingEngine( NULL ),
mUseRenderingOptimization( true )
{
mVectorSimplifyMethod.setSimplifyHints( QgsVectorSimplifyMethod::NoSimplification );
}
QgsRenderContext::~QgsRenderContext()

8
src/core/qgsrendercontext.h
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@ -23,6 +23,7 @@
#include "qgscoordinatetransform.h"
#include "qgsmaptopixel.h"
#include "qgsrectangle.h"
#include "qgsvectorsimplifymethod.h"
class QPainter;
@ -104,6 +105,10 @@ class CORE_EXPORT QgsRenderContext
bool useRenderingOptimization() const { return mUseRenderingOptimization; }
void setUseRenderingOptimization( bool enabled ) { mUseRenderingOptimization = enabled; }
//! Added in QGIS v2.4
const QgsVectorSimplifyMethod& vectorSimplifyMethod() const { return mVectorSimplifyMethod; }
void setVectorSimplifyMethod( const QgsVectorSimplifyMethod& simplifyMethod ) { mVectorSimplifyMethod = simplifyMethod; }
private:
/**Painter for rendering operations*/
@ -145,6 +150,9 @@ class CORE_EXPORT QgsRenderContext
/**True if the rendering optimization (geometry simplification) can be executed*/
bool mUseRenderingOptimization;
/**Simplification object which holds the information about how to simplify the features for fast rendering */
QgsVectorSimplifyMethod mVectorSimplifyMethod;
};
#endif

9
src/core/qgsvectorlayerrenderer.cpp
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@ -169,6 +169,15 @@ bool QgsVectorLayerRenderer::render()
simplifyMethod.setForceLocalOptimization( mSimplifyMethod.forceLocalOptimization() );
featureRequest.setSimplifyMethod( simplifyMethod );
QgsVectorSimplifyMethod vectorMethod = mSimplifyMethod;
mContext.setVectorSimplifyMethod( vectorMethod );
}
else
{
QgsVectorSimplifyMethod vectorMethod;
vectorMethod.setSimplifyHints( QgsVectorSimplifyMethod::NoSimplification );
mContext.setVectorSimplifyMethod( vectorMethod );
}
QgsFeatureIterator fit = mSource->getFeatures( featureRequest );

4
src/core/symbology-ng/qgslinesymbollayerv2.cpp
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@ -258,15 +258,13 @@ void QgsSimpleLineSymbolLayerV2::renderPolyline( const QPolygonF& points, QgsSym
p->setPen( context.selected() ? mSelPen : mPen );
// Disable 'Antialiasing' if the geometry was generalized in the current RenderContext (We known that it must have least #2 points).
#if 0 // TODO[MD]: after merge
if ( points.size() <= 2 && context.layer() && context.layer()->simplifyDrawingCanbeApplied( context.renderContext(), QgsVectorSimplifyMethod::AntialiasingSimplification ) && QgsAbstractGeometrySimplifier::canbeGeneralizedByDeviceBoundingBox( points, context.layer()->simplifyMethod().threshold() ) && ( p->renderHints() & QPainter::Antialiasing ) )
if ( points.size() <= 2 && ( context.renderContext().vectorSimplifyMethod().simplifyHints() & QgsVectorSimplifyMethod::AntialiasingSimplification ) && QgsAbstractGeometrySimplifier::canbeGeneralizedByDeviceBoundingBox( points, context.renderContext().vectorSimplifyMethod().threshold() ) && ( p->renderHints() & QPainter::Antialiasing ) )
{
p->setRenderHint( QPainter::Antialiasing, false );
p->drawPolyline( points );
p->setRenderHint( QPainter::Antialiasing, true );
return;
}
#endif
if ( offset == 0 )
{

4
src/core/symbology-ng/qgssymbollayerv2.cpp
View File

@ -427,15 +427,13 @@ void QgsFillSymbolLayerV2::_renderPolygon( QPainter* p, const QPolygonF& points,
}
// Disable 'Antialiasing' if the geometry was generalized in the current RenderContext (We known that it must have least #5 points).
#if 0 // TODO[MD]: after merge
if ( points.size() <= 5 && context.layer() && context.layer()->simplifyDrawingCanbeApplied( context.renderContext(), QgsVectorSimplifyMethod::AntialiasingSimplification ) && QgsAbstractGeometrySimplifier::canbeGeneralizedByDeviceBoundingBox( points, context.layer()->simplifyMethod().threshold() ) && ( p->renderHints() & QPainter::Antialiasing ) )
if ( points.size() <= 5 && ( context.renderContext().vectorSimplifyMethod().simplifyHints() & QgsVectorSimplifyMethod::AntialiasingSimplification ) && QgsAbstractGeometrySimplifier::canbeGeneralizedByDeviceBoundingBox( points, context.renderContext().vectorSimplifyMethod().threshold() ) && ( p->renderHints() & QPainter::Antialiasing ) )
{
p->setRenderHint( QPainter::Antialiasing, false );
p->drawRect( points.boundingRect() );
p->setRenderHint( QPainter::Antialiasing, true );
return;
}
#endif
if ( rings == NULL )
{