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73 lines
2.1 KiB
Plaintext
73 lines
2.1 KiB
Plaintext
class QgsRasterBlock
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{
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%TypeHeaderCode
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#include <qgis.h>
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#include <qgsrasterblock.h>
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%End
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public:
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struct Range
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{
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double min;
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double max;
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bool operator==( const QgsRasterBlock::Range &o ) const;
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};
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QgsRasterBlock();
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QgsRasterBlock( QGis::DataType theDataType, int theWidth, int theHeight, double theNoDataValue );
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virtual ~QgsRasterBlock();
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bool reset( QGis::DataType theDataType, int theWidth, int theHeight, double theNoDataValue );
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bool isEmpty() const;
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int typeSize( int dataType ) const;
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int dataTypeSize( int bandNo ) const;
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/** Returns true if data type is numeric */
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bool typeIsNumeric( QGis::DataType type ) const;
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/** Returns true if data type is color */
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bool typeIsColor( QGis::DataType type ) const;
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/** Returns data type for the band specified by number */
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virtual QGis::DataType dataType() const;
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/** For given data type returns wider type and sets no data value */
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static QGis::DataType typeWithNoDataValue( QGis::DataType dataType, double *noDataValue );
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double noDataValue( ) const;
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void setNoDataValue( double noDataValue );
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static bool isNoDataValue( double value, double noDataValue );
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bool isNoDataValue( double value ) const;
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double value( int row, int column ) const;
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double value( size_t index) const;
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QRgb color( int row, int column ) const;
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QRgb color( size_t index) const;
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bool isNoData( int row, int column );
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bool isNoData( size_t index );
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bool setValue( int row, int column, double value );
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bool setValue( size_t index, double value );
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bool setColor( int row, int column, QRgb color );
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bool setColor( size_t index, QRgb color );
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// Not desired to give direct access to data in Python, could cause crash
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//char * bits( int row, int column );
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//char * bits( size_t index );
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static QString printValue( double value );
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bool convert( QGis::DataType destDataType );
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QImage image() const;
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bool setImage( const QImage * image );
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static bool valueInRange( double value, const QList<QgsRasterBlock::Range> &rangeList );
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};
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