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/*
*
* Copyright (C) 2002-2020, OFFIS e.V.
* All rights reserved. See COPYRIGHT file for details.
*
* This software and supporting documentation were developed by
*
* OFFIS e.V.
* R&D Division Health
* Escherweg 2
* D-26121 Oldenburg, Germany
*
*
* Module: dcmdata
*
* Author: Joerg Riesmeier
*
* Purpose: Implementation of class DcmOtherFloat
*
*/
#include "dcmtk/config/osconfig.h" /* make sure OS specific configuration is included first */
#include "dcmtk/ofstd/ofuuid.h"
#include "dcmtk/ofstd/ofstd.h"
#include "dcmtk/dcmdata/dcjson.h"
#include "dcmtk/dcmdata/dcvrof.h"
#include "dcmtk/dcmdata/dcswap.h"
// ********************************
DcmOtherFloat::DcmOtherFloat(const DcmTag &tag,
const Uint32 len)
: DcmFloatingPointSingle(tag, len)
{
}
DcmOtherFloat::DcmOtherFloat(const DcmOtherFloat &old)
: DcmFloatingPointSingle(old)
{
}
DcmOtherFloat::~DcmOtherFloat()
{
}
DcmOtherFloat &DcmOtherFloat::operator=(const DcmOtherFloat &obj)
{
DcmFloatingPointSingle::operator=(obj);
return *this;
}
OFCondition DcmOtherFloat::copyFrom(const DcmObject& rhs)
{
if (this != &rhs)
{
if (rhs.ident() != ident()) return EC_IllegalCall;
*this = OFstatic_cast(const DcmOtherFloat &, rhs);
}
return EC_Normal;
}
// ********************************
DcmEVR DcmOtherFloat::ident() const
{
return EVR_OF;
}
OFCondition DcmOtherFloat::checkValue(const OFString & /*vm*/,
const OFBool /*oldFormat*/)
{
/* currently no checks are performed */
return EC_Normal;
}
unsigned long DcmOtherFloat::getVM()
{
/* value multiplicity for OF is defined as 1 */
return 1;
}
// ********************************
OFCondition DcmOtherFloat::writeXML(STD_NAMESPACE ostream &out,
const size_t flags)
{
/* always write XML start tag */
writeXMLStartTag(out, flags);
/* OF data requires special handling in the Native DICOM Model format */
if (flags & DCMTypes::XF_useNativeModel)
{
/* for an empty value field, we do not need to do anything */
if (getLengthField() > 0)
{
/* encode binary data as Base64 */
if (flags & DCMTypes::XF_encodeBase64)
{
out << "<InlineBinary>";
Uint8 *byteValues = OFstatic_cast(Uint8 *, getValue());
/* Base64 encoder requires big endian input data */
swapIfNecessary(EBO_BigEndian, gLocalByteOrder, byteValues, getLengthField(), sizeof(Float32));
/* update the byte order indicator variable correspondingly */
setByteOrder(EBO_BigEndian);
OFStandard::encodeBase64(out, byteValues, OFstatic_cast(size_t, getLengthField()));
out << "</InlineBinary>" << OFendl;
} else {
/* generate a new UID but the binary data is not (yet) written. */
OFUUID uuid;
out << "<BulkData uuid=\"";
uuid.print(out, OFUUID::ER_RepresentationHex);
out << "\"/>" << OFendl;
}
}
} else {
/* write element value (if loaded) */
if (valueLoaded())
{
Float32 *floatValues = NULL;
/* get and check 32 bit float data */
if (getFloat32Array(floatValues).good() && (floatValues != NULL))
{
const size_t count = getNumberOfValues();
/* count can be zero if we have an invalid element with less than four bytes length */
if (count > 0)
{
/* increase default precision - see DcmFloatingPointSingle::print() */
const STD_NAMESPACE streamsize oldPrecision = out.precision(8);
/* print float values with separators */
out << (*(floatValues++));
for (unsigned long i = 1; i < count; i++)
out << "\\" << (*(floatValues++));
/* reset i/o manipulators */
out.precision(oldPrecision);
}
}
}
}
/* always write XML end tag */
writeXMLEndTag(out, flags);
/* always report success */
return EC_Normal;
}
// ********************************
OFCondition DcmOtherFloat::writeJson(STD_NAMESPACE ostream &out,
DcmJsonFormat &format)
{
/* always write JSON Opener */
writeJsonOpener(out, format);
/* for an empty value field, we do not need to do anything */
if (getLengthField() > 0)
{
OFString value;
if (format.asBulkDataURI(getTag(), value))
{
/* return defined BulkDataURI */
format.printBulkDataURIPrefix(out);
DcmJsonFormat::printString(out, value);
}
else
{
/* encode binary data as Base64 */
format.printInlineBinaryPrefix(out);
out << "\"";
/* adjust byte order to little endian */
Uint8 *byteValues = OFstatic_cast(Uint8 *, getValue(EBO_LittleEndian));
OFStandard::encodeBase64(out, byteValues, OFstatic_cast(size_t, getLengthField()));
out << "\"";
}
}
/* always write JSON Closer */
writeJsonCloser(out, format);
/* always report success */
return EC_Normal;
}
// ********************************
OFCondition DcmOtherFloat::createFloat32Array(const Uint32 numFloats,
Float32 *&floatVals)
{
Uint32 bytesRequired = 0;
/* make sure that max length is not exceeded */
if (OFStandard::safeMult(numFloats, OFstatic_cast(Uint32, sizeof(Float32)), bytesRequired))
errorFlag = createEmptyValue(bytesRequired);
else
errorFlag = EC_ElemLengthExceeds32BitField;
if (errorFlag.good())
floatVals = OFstatic_cast(Float32 *, this->getValue());
else
floatVals = NULL;
return errorFlag;
}
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