1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
|
/*=========================================================================
Program: GDCM (Grassroots DICOM). A DICOM library
Copyright (c) 2006-2011 Mathieu Malaterre
All rights reserved.
See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "gdcmVR.h"
#include "gdcmAttribute.h"
#include "gdcmByteValue.h"
#include <sstream>
#include <iostream>
#include <iomanip>
template <typename T, unsigned int MAXBYTES>
std::string TestVRDSFunc(const char *str)
{
std::istringstream is( str );
T d;
is >> d;
std::ostringstream os;
os << std::setprecision(MAXBYTES);
os << d;
std::cout << std::setprecision(MAXBYTES);
std::cout << d << std::endl;
std::string copy = os.str();
return copy;
}
/*
* Test to make sure that double precision ieee 'double' is ok for DICOM VR = 'DS'
*/
int TestVRDS(int, char *[])
{
const unsigned int dsmaxbytes = 16;
const char str0[dsmaxbytes+1] = "0.123456789123";
std::string copy;
// Let's demonstrate the float can easily fails;
if( (copy = TestVRDSFunc<float,dsmaxbytes>(str0)) == str0 )
{
std::cerr << "Float works:" << copy << " vs " << str0 << std::endl;
return 1;
}
// Repeat with double, it works this time
if( (copy = TestVRDSFunc<double,dsmaxbytes>(str0)) != str0 )
{
std::cerr << "Double does not work:" << copy << " vs " << str0 << std::endl;
return 1;
}
const double d1 = -118.242525316066;
const double d2 = 0.00149700609543456;
const double d3 = 0.059303515816892;
gdcm::Attribute<0x20,0x32> at;
at.SetValue( d1, 0);
at.SetValue( d2, 1);
at.SetValue( d3, 2);
gdcm::DataElement de = at.GetAsDataElement();
std::cout << de << std::endl;
const gdcm::ByteValue* bv = de.GetByteValue();
{
std::string str = bv->GetPointer();
std::string::size_type pos1 = str.find("\\");
std::string::size_type pos2 = str.find("\\", pos1 + 1);
if( pos1 > dsmaxbytes )
{
std::string s = str.substr(0, pos1);
std::cout << "Problem with: " << s << " " << s.size() << std::endl;
return 1;
}
if( (pos2 - pos1) > dsmaxbytes )
{
std::string s = str.substr(pos1 + 1, pos2 - pos1 - 1);
std::cout << "Problem with: " << s << " " << s.size() << std::endl;
return 1;
}
if( (str.size() - pos2) > dsmaxbytes )
{
std::string s = str.substr(pos2 + 1);
std::cout << "Problem with: " << s << " " << s.size() << std::endl;
return 1;
}
}
return 0;
}
|
