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QgsHueSaturationFilter Class Reference

Color and saturation filter pipe for rasters. More...

#include <qgshuesaturationfilter.h>

Inheritance diagram for QgsHueSaturationFilter:
Inheritance graph
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Public Types

enum  GrayscaleMode { GrayscaleOff, GrayscaleLightness, GrayscaleLuminosity, GrayscaleAverage }
 
- Public Types inherited from QgsRasterInterface
enum  Capability {
  NoCapabilities = 0, Size = 1 << 1, Create = 1 << 2, Remove = 1 << 3,
  BuildPyramids = 1 << 4, Identify = 1 << 5, IdentifyValue = 1 << 6, IdentifyText = 1 << 7,
  IdentifyHtml = 1 << 8, IdentifyFeature = 1 << 9
}
 If you add to this, please also add to capabilitiesString() More...
 

Public Member Functions

 QgsHueSaturationFilter (QgsRasterInterface *input=0)
 
 ~QgsHueSaturationFilter ()
 
int bandCount () const
 Get number of bands. More...
 
QgsRasterBlockblock (int bandNo, const QgsRectangle &extent, int width, int height)
 Read block of data using given extent and size. More...
 
QgsRasterInterfaceclone () const
 Clone itself, create deep copy. More...
 
QColor colorizeColor () const
 
bool colorizeOn () const
 
int colorizeStrength () const
 
QGis::DataType dataType (int bandNo) const
 Returns data type for the band specified by number. More...
 
QgsHueSaturationFilter::GrayscaleMode grayscaleMode () const
 
void readXML (const QDomElement &filterElem)
 Sets base class members from xml. More...
 
int saturation () const
 
void setColorizeColor (QColor colorizeColor)
 
void setColorizeOn (bool colorizeOn)
 
void setColorizeStrength (int colorizeStrength)
 
void setGrayscaleMode (QgsHueSaturationFilter::GrayscaleMode grayscaleMode)
 
bool setInput (QgsRasterInterface *input)
 Set input. More...
 
void setSaturation (int saturation)
 
void writeXML (QDomDocument &doc, QDomElement &parentElem) const
 Write base class members to xml. More...
 
- Public Member Functions inherited from QgsRasterInterface
 QgsRasterInterface (QgsRasterInterface *input=0)
 
virtual ~QgsRasterInterface ()
 
virtual QgsRasterBandStats bandStatistics (int theBandNo, int theStats=QgsRasterBandStats::All, const QgsRectangle &theExtent=QgsRectangle(), int theSampleSize=0)
 Get band statistics. More...
 
virtual int capabilities () const
 Returns a bitmask containing the supported capabilities. More...
 
QString capabilitiesString () const
 Returns the above in friendly format. More...
 
virtual void cumulativeCut (int theBandNo, double theLowerCount, double theUpperCount, double &theLowerValue, double &theUpperValue, const QgsRectangle &theExtent=QgsRectangle(), int theSampleSize=0)
 Find values for cumulative pixel count cut. More...
 
int dataTypeSize (int bandNo)
 
virtual QgsRectangle extent ()
 Get the extent of the interface. More...
 
virtual QString generateBandName (int theBandNumber) const
 helper function to create zero padded band names More...
 
virtual bool hasHistogram (int theBandNo, int theBinCount, double theMinimum=std::numeric_limits< double >::quiet_NaN(), double theMaximum=std::numeric_limits< double >::quiet_NaN(), const QgsRectangle &theExtent=QgsRectangle(), int theSampleSize=0, bool theIncludeOutOfRange=false)
 Returns true if histogram is available (cached, already calculated), the parameters are the same as in histogram() More...
 
virtual bool hasStatistics (int theBandNo, int theStats=QgsRasterBandStats::All, const QgsRectangle &theExtent=QgsRectangle(), int theSampleSize=0)
 Returns true if histogram is available (cached, already calculated). More...
 
virtual QgsRasterHistogram histogram (int theBandNo, int theBinCount=0, double theMinimum=std::numeric_limits< double >::quiet_NaN(), double theMaximum=std::numeric_limits< double >::quiet_NaN(), const QgsRectangle &theExtent=QgsRectangle(), int theSampleSize=0, bool theIncludeOutOfRange=false)
 Get histogram. More...
 
virtual QgsRasterInterfaceinput () const
 Current input. More...
 
virtual bool on () const
 Is on/off. More...
 
virtual void setOn (bool on)
 Set on/off. More...
 
virtual QGis::DataType srcDataType (int bandNo) const
 Returns source data type for the band specified by number, source data type may be shorter than dataType. More...
 
virtual const QgsRasterInterfacesrcInput () const
 Get source / raw input, the first in pipe, usually provider. More...
 
virtual QgsRasterInterfacesrcInput ()
 
virtual int xBlockSize () const
 Get block size. More...
 
virtual int xSize () const
 Get raster size. More...
 
virtual int yBlockSize () const
 
virtual int ySize () const
 

Additional Inherited Members

- Protected Member Functions inherited from QgsRasterInterface
void initHistogram (QgsRasterHistogram &theHistogram, int theBandNo, int theBinCount=0, double theMinimum=std::numeric_limits< double >::quiet_NaN(), double theMaximum=std::numeric_limits< double >::quiet_NaN(), const QgsRectangle &theExtent=QgsRectangle(), int theSampleSize=0, bool theIncludeOutOfRange=false)
 Fill in histogram defaults if not specified. More...
 
void initStatistics (QgsRasterBandStats &theStatistics, int theBandNo, int theStats=QgsRasterBandStats::All, const QgsRectangle &theExtent=QgsRectangle(), int theBinCount=0)
 Fill in statistics defaults if not specified. More...
 
- Protected Attributes inherited from QgsRasterInterface
QList< QgsRasterHistogrammHistograms
 List of cached histograms, all bands mixed. More...
 
QgsRasterInterfacemInput
 
bool mOn
 
QList< QgsRasterBandStatsmStatistics
 List of cached statistics, all bands mixed. More...
 

Detailed Description

Color and saturation filter pipe for rasters.

Definition at line 29 of file qgshuesaturationfilter.h.

Constructor & Destructor Documentation

QgsHueSaturationFilter::QgsHueSaturationFilter ( QgsRasterInterface input = 0)

Definition at line 25 of file qgshuesaturationfilter.cpp.

QgsHueSaturationFilter::~QgsHueSaturationFilter ( )

Definition at line 35 of file qgshuesaturationfilter.cpp.

Member Function Documentation

int QgsHueSaturationFilter::bandCount ( ) const
virtual

Get number of bands.

Implements QgsRasterInterface.

Definition at line 51 of file qgshuesaturationfilter.cpp.

QgsRasterBlock * QgsHueSaturationFilter::block ( int  bandNo,
const QgsRectangle extent,
int  width,
int  height 
)
virtual

Read block of data using given extent and size.

Returns pointer to data. Caller is responsible to free the memory returned.

Parameters
bandNoband number
extentextent of block
widthpixel width of block
heightpixel height of block

Implements QgsRasterInterface.

Definition at line 118 of file qgshuesaturationfilter.cpp.

QgsRasterInterface * QgsHueSaturationFilter::clone ( ) const
virtual

Clone itself, create deep copy.

Implements QgsRasterInterface.

Definition at line 39 of file qgshuesaturationfilter.cpp.

QColor QgsHueSaturationFilter::colorizeColor ( ) const
inline

Definition at line 64 of file qgshuesaturationfilter.h.

bool QgsHueSaturationFilter::colorizeOn ( ) const
inline

Definition at line 62 of file qgshuesaturationfilter.h.

int QgsHueSaturationFilter::colorizeStrength ( ) const
inline

Definition at line 66 of file qgshuesaturationfilter.h.

QGis::DataType QgsHueSaturationFilter::dataType ( int  bandNo) const
virtual

Returns data type for the band specified by number.

Implements QgsRasterInterface.

Definition at line 66 of file qgshuesaturationfilter.cpp.

QgsHueSaturationFilter::GrayscaleMode QgsHueSaturationFilter::grayscaleMode ( ) const
inline

Definition at line 59 of file qgshuesaturationfilter.h.

void QgsHueSaturationFilter::readXML ( const QDomElement &  filterElem)
virtual

Sets base class members from xml.

Usually called from create() methods of subclasses

Reimplemented from QgsRasterInterface.

Definition at line 363 of file qgshuesaturationfilter.cpp.

int QgsHueSaturationFilter::saturation ( ) const
inline

Definition at line 56 of file qgshuesaturationfilter.h.

void QgsHueSaturationFilter::setColorizeColor ( QColor  colorizeColor)

Definition at line 334 of file qgshuesaturationfilter.cpp.

void QgsHueSaturationFilter::setColorizeOn ( bool  colorizeOn)
inline

Definition at line 61 of file qgshuesaturationfilter.h.

void QgsHueSaturationFilter::setColorizeStrength ( int  colorizeStrength)
inline

Definition at line 65 of file qgshuesaturationfilter.h.

void QgsHueSaturationFilter::setGrayscaleMode ( QgsHueSaturationFilter::GrayscaleMode  grayscaleMode)
inline

Definition at line 58 of file qgshuesaturationfilter.h.

bool QgsHueSaturationFilter::setInput ( QgsRasterInterface input)
virtual

Set input.

Returns true if set correctly, false if cannot use that input

Reimplemented from QgsRasterInterface.

Definition at line 81 of file qgshuesaturationfilter.cpp.

void QgsHueSaturationFilter::setSaturation ( int  saturation)

Definition at line 326 of file qgshuesaturationfilter.cpp.

void QgsHueSaturationFilter::writeXML ( QDomDocument &  doc,
QDomElement &  parentElem 
) const
virtual

Write base class members to xml.

Reimplemented from QgsRasterInterface.

Definition at line 343 of file qgshuesaturationfilter.cpp.


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