/usr/include/rtd/ByteImageData.h is in skycat 3.1.2+starlink1~b+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#ifndef _ByteImageData_h_
#define _ByteImageData_h_
/*
* E.S.O. - VLT project
*
* "@(#) $Id: ByteImageData.h,v 1.1.1.1 2009/03/31 14:11:52 cguirao Exp $"
*
* ByteImageData.h - class definitions for class ByteImageData
*
* See the man page ImageData(3) for a complete description of this class
* library.
*
* who when what
* -------------- -------- ----------------------------------------
* Allan Brighton 05/10/95 Created
* Peter W. Draper 05/03/98 Added llookup
* 14/07/98 Added check for blanks in lookup.
* P.Biereichel 22/03/99 Added parameters for bias frame
*/
#include <sys/types.h>
#include "ImageData.h"
// This class is used for images where the raw data is made up of bytes
class ByteImageData : public ImageData
{
private:
// value of blank pixel, if known (if haveBlankPixel_ is nonzero)
long blank_;
// get value as unsigned short
inline ushort convertToUshort(byte b) {
return (ushort)b;
}
// return X image pixel value for raw image value
inline byte lookup(byte b) {
if ( !haveBlank_ ) return lookup_[(ushort)b];
if ( b != blank_ ) return lookup_[(ushort)b];
return lookup_[128];
}
inline unsigned long llookup(byte b) {
if ( !haveBlank_ ) return lookup_[(ushort)b];
if ( b != blank_ ) return lookup_[(ushort)b];
return lookup_[128];
}
// return NTOH converted value evtl. subtracted with corresponding bias value
byte getVal(byte* p, int idx);
int getXsamples(byte *rawImage, int idx, int wbox, byte *samples);
int getBsamples(byte *rawImage, int idx, int wbox, byte *samples);
int getCsamples(byte *rawImage, int idx, int wbox, byte *samples);
byte getMedian(byte *samples, int n);
byte getBoxVal(byte *rawImage, int idx, int wbox, byte *samples, int xs);
byte getRMS(byte *samples, int n);
protected:
// convert cut values to short range
void initShortConversion();
public:
// constructor
ByteImageData(const char* name, const ImageIO& imio, int verbose)
: ImageData(name, imio, verbose, 256 /* use a smaller lookup table */),
blank_(128) { }
// return class name as a string
virtual const char* classname() { return "ByteImageData"; }
// return the data type of the raw data
int dataType() {return BYTE_IMAGE;}
// return true if the data type is signed
int isSigned() {return 0;}
// return a copy of this object
ImageData* copy() {return new ByteImageData(*this);}
// include declarations for methods that differ only in raw data type
# include "ImageTemplates.h"
};
#endif /* _ByteImageData_h_ */
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