QgsRasterRendererRegistry Class Reference

Registry for raster renderers. More...

#include <qgsrasterrendererregistry.h>

Collaboration diagram for QgsRasterRendererRegistry:

List of all members.

Public Member Functions
	~QgsRasterRendererRegistry ()
QgsRasterRenderer *	defaultRendererForDrawingStyle (const QgsRaster::DrawingStyle &theDrawingStyle, QgsRasterDataProvider *provider) const
	Creates a default renderer for a raster drawing style (considering user options such as default contrast enhancement).
QList < QgsRasterRendererRegistryEntry >	entries () const
void	insert (QgsRasterRendererRegistryEntry entry)
void	insertWidgetFunction (const QString &rendererName, QgsRasterRendererWidgetCreateFunc func)
bool	rendererData (const QString &rendererName, QgsRasterRendererRegistryEntry &data) const
QStringList	renderersList () const
Static Public Member Functions
static QgsRasterRendererRegistry *	instance ()
Protected Member Functions
	QgsRasterRendererRegistry ()
Private Member Functions
bool	minMaxValuesForBand (int band, QgsRasterDataProvider *provider, double &minValue, double &maxValue) const
Private Attributes
QHash< QString, QgsRasterRendererRegistryEntry >	mEntries
QStringList	mSortedEntries
Static Private Attributes
static QgsRasterRendererRegistry *	mInstance = 0

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Detailed Description

Registry for raster renderers.

Definition at line 51 of file qgsrasterrendererregistry.h.

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Constructor & Destructor Documentation

QgsRasterRendererRegistry::~QgsRasterRendererRegistry

(

)

Definition at line 63 of file qgsrasterrendererregistry.cpp.

QgsRasterRendererRegistry::QgsRasterRendererRegistry

(

)

[protected]

Definition at line 49 of file qgsrasterrendererregistry.cpp.

References QgsSingleBandColorDataRenderer::create(), QgsSingleBandPseudoColorRenderer::create(), QgsPalettedRasterRenderer::create(), QgsMultiBandColorRenderer::create(), QgsSingleBandGrayRenderer::create(), insert(), and tr.

Referenced by instance().

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Member Function Documentation

QgsRasterRenderer * QgsRasterRendererRegistry::defaultRendererForDrawingStyle	(	const QgsRaster::DrawingStyle &	theDrawingStyle,
		QgsRasterDataProvider *	provider
	)		const

Creates a default renderer for a raster drawing style (considering user options such as default contrast enhancement).

Caller takes ownership

Definition at line 110 of file qgsrasterrendererregistry.cpp.

References QgsRasterInterface::bandCount(), QgsRasterDataProvider::colorTable(), QgsRasterDataProvider::dataType(), minMaxValuesForBand(), QgsRaster::MultiBandColor, QgsRaster::MultiBandSingleBandGray, QgsRaster::PalettedColor, QgsRasterRenderer::setRasterTransparency(), QgsRasterTransparency::setTransparentSingleValuePixelList(), QgsRasterTransparency::setTransparentThreeValuePixelList(), QgsRaster::SingleBandColorDataStyle, QgsRaster::SingleBandGray, QgsRaster::SingleBandPseudoColor, tr, and QgsRasterRenderer::usesBands().

QList< QgsRasterRendererRegistryEntry > QgsRasterRendererRegistry::entries

(

)

const

Definition at line 98 of file qgsrasterrendererregistry.cpp.

References mEntries.

void QgsRasterRendererRegistry::insert

(

QgsRasterRendererRegistryEntry

entry

)

Definition at line 67 of file qgsrasterrendererregistry.cpp.

References mEntries, mSortedEntries, and QgsRasterRendererRegistryEntry::name.

Referenced by QgsRasterRendererRegistry().

void QgsRasterRendererRegistry::insertWidgetFunction	(	const QString &	rendererName,
		QgsRasterRendererWidgetCreateFunc	func
	)

Definition at line 73 of file qgsrasterrendererregistry.cpp.

References mEntries.

QgsRasterRendererRegistry * QgsRasterRendererRegistry::instance

(

)

[static]

Definition at line 40 of file qgsrasterrendererregistry.cpp.

References mInstance, and QgsRasterRendererRegistry().

Referenced by QgsRasterLayer::readSymbology(), and QgsRasterLayer::setRendererForDrawingStyle().

bool QgsRasterRendererRegistry::minMaxValuesForBand	(	int	band,
		QgsRasterDataProvider *	provider,
		double &	minValue,
		double &	maxValue
	)		const [private]

Definition at line 223 of file qgsrasterrendererregistry.cpp.

References QgsRasterInterface::bandStatistics(), QgsRasterBandStats::Max, QgsRasterBandStats::maximumValue, QgsRasterBandStats::Mean, QgsRasterBandStats::mean, QgsRasterBandStats::Min, QgsRasterBandStats::minimumValue, QgsRasterBandStats::StdDev, and QgsRasterBandStats::stdDev.

Referenced by defaultRendererForDrawingStyle().

bool QgsRasterRendererRegistry::rendererData	(	const QString &	rendererName,
		QgsRasterRendererRegistryEntry &	data
	)		const

Definition at line 82 of file qgsrasterrendererregistry.cpp.

References mEntries.

QStringList QgsRasterRendererRegistry::renderersList

(

)

const

Definition at line 93 of file qgsrasterrendererregistry.cpp.

References mSortedEntries.

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Member Data Documentation

QHash< QString, QgsRasterRendererRegistryEntry > QgsRasterRendererRegistry::mEntries [private]

Definition at line 72 of file qgsrasterrendererregistry.h.

Referenced by entries(), insert(), insertWidgetFunction(), and rendererData().

QgsRasterRendererRegistry * QgsRasterRendererRegistry::mInstance = 0 [static, private]

Definition at line 71 of file qgsrasterrendererregistry.h.

Referenced by instance().

QStringList QgsRasterRendererRegistry::mSortedEntries [private]

Definition at line 73 of file qgsrasterrendererregistry.h.

Referenced by insert(), and renderersList().

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

• src/core/raster/qgsrasterrendererregistry.h
• src/core/raster/qgsrasterrendererregistry.cpp