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115 lines
3.6 KiB
Plaintext
115 lines
3.6 KiB
Plaintext
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/** Base class for processing modules.
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*
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*/
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class QgsRasterInterface
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{
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%TypeHeaderCode
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#include <qgsrasterinterface.h>
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#include <qgsrasterresamplefilter.h>
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//#include <qgsrasternuller.h>
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#include <qgsrasterrenderer.h>
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#include <qgsrasterprojector.h>
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#include <qgsrasterdataprovider.h>
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// QgsRasterRenderer subclass headers must be here because ConvertToSubClassCode
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// from QgsRasterRenderer is probably included
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#include <qgspalettedrasterrenderer.h>
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#include <qgsmultibandcolorrenderer.h>
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#include <qgssinglebandpseudocolorrenderer.h>
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#include <qgssinglebandgrayrenderer.h>
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#include <qgssinglebandcolordatarenderer.h>
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%End
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%ConvertToSubClassCode
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if (dynamic_cast<QgsRasterResampleFilter*>(sipCpp) != NULL)
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sipClass = sipClass_QgsRasterResampleFilter;
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// if (dynamic_cast<QgsRasterNuller*>(sipCpp) != NULL)
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// sipClass = sipClass_QgsRasterNuller;
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if (dynamic_cast<QgsRasterRenderer*>(sipCpp) != NULL)
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sipClass = sipClass_QgsRasterRenderer;
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if (dynamic_cast<QgsRasterProjector*>(sipCpp) != NULL)
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sipClass = sipClass_QgsRasterProjector;
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if (dynamic_cast<QgsRasterDataProvider*>(sipCpp) != NULL)
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{
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sipClass = sipClass_QgsRasterDataProvider;
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*sipCppRet = static_cast<QgsRasterDataProvider*>(sipCpp);
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}
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else
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sipClass = 0;
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%End
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public:
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enum DataType
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{
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/*! Unknown or unspecified type */ UnknownDataType = 0,
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/*! Eight bit unsigned integer */ Byte = 1,
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/*! Sixteen bit unsigned integer */ UInt16 = 2,
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/*! Sixteen bit signed integer */ Int16 = 3,
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/*! Thirty two bit unsigned integer */ UInt32 = 4,
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/*! Thirty two bit signed integer */ Int32 = 5,
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/*! Thirty two bit floating point */ Float32 = 6,
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/*! Sixty four bit floating point */ Float64 = 7,
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/*! Complex Int16 */ CInt16 = 8,
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/*! Complex Int32 */ CInt32 = 9,
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/*! Complex Float32 */ CFloat32 = 10,
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/*! Complex Float64 */ CFloat64 = 11,
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/*! Color, alpha, red, green, blue, 4 bytes the same as
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QImage::Format_ARGB32 */ ARGB32 = 12,
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/*! Color, alpha, red, green, blue, 4 bytes the same as
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QImage::Format_ARGB32_Premultiplied */ ARGB32_Premultiplied = 13,
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TypeCount = 14 /* maximum type # + 1 */
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};
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QgsRasterInterface( QgsRasterInterface * input = 0 );
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virtual ~QgsRasterInterface();
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int typeSize( int dataType ) const;
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virtual QgsRasterInterface *clone() const = 0;
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int dataTypeSize( int bandNo ) const;
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bool typeIsNumeric( DataType type ) const;
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bool typeIsColor( DataType type ) const;
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virtual DataType dataType( int bandNo ) const;
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virtual int bandCount() const;
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virtual double noDataValue( int bandNo ) const;
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virtual void * block( int bandNo, const QgsRectangle & extent, int width, int height );
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virtual void * readBlock( int bandNo, const QgsRectangle & extent, int width, int height );
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virtual bool setInput( QgsRasterInterface* input );
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virtual QgsRasterInterface * input () const;
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virtual bool on( );
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virtual void setOn( bool on );
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QgsRasterInterface * srcInput();
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QImage * createImage( int width, int height, QImage::Format format );
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void setStatsOn( bool on );
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double time( bool cumulative = false );
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static QString printValue( double value );
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protected:
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static double readValue( void *data, QgsRasterInterface::DataType type, int index );
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static void writeValue( void *data, QgsRasterInterface::DataType type, int index, double value );
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};
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