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
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
/*=========================================================================
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 "gdcmImageApplyLookupTable.h"
#include <limits>
namespace gdcm
{
struct ImageApplyLookupTable::impl
{
bool rgb8;
};
ImageApplyLookupTable::ImageApplyLookupTable():pimpl(new impl)
{
pimpl->rgb8 = false;
}
ImageApplyLookupTable::~ImageApplyLookupTable()
{
delete pimpl;
}
bool ImageApplyLookupTable::Apply()
{
Output = Input;
const Bitmap &image = *Input;
PhotometricInterpretation pi = image.GetPhotometricInterpretation();
if( pi != PhotometricInterpretation::PALETTE_COLOR )
{
gdcmDebugMacro( "Image is not palettized" );
return false;
}
const LookupTable &lut = image.GetLUT();
int bitsample = lut.GetBitSample();
if( !bitsample ) return false;
if( pimpl->rgb8 && !lut.IsRGB8() )
{
gdcmDebugMacro( "LUT is not compatible with RGB8" );
return false;
}
const unsigned long len = image.GetBufferLength();
std::vector<char> v;
v.resize( len );
char *p = &v[0];
image.GetBuffer( p );
std::stringstream is;
if( !is.write( p, len ) )
{
gdcmErrorMacro( "Could not write to stringstream" );
return false;
}
DataElement &de = Output->GetDataElement();
#if 0
std::ostringstream os;
lut.Decode(is, os);
const std::string str = os.str();
VL::Type strSize = (VL::Type)str.size();
de.SetByteValue( str.c_str(), strSize);
#else
std::vector<char> v2;
v2.resize( len * 3 );
if( pimpl->rgb8 )
lut.Decode8(&v2[0], v2.size(), &v[0], v.size());
else
lut.Decode(&v2[0], v2.size(), &v[0], v.size());
assert( v2.size() < (size_t)std::numeric_limits<uint32_t>::max() );
if( pimpl->rgb8 )
de.SetByteValue( &v2[0], (uint32_t)v2.size() / 2);
else
de.SetByteValue( &v2[0], (uint32_t)v2.size() );
#endif
Output->GetLUT().Clear();
Output->SetPhotometricInterpretation( PhotometricInterpretation::RGB );
Output->GetPixelFormat().SetSamplesPerPixel( 3 );
if( pimpl->rgb8 )
Output->GetPixelFormat().SetBitsAllocated(8);
Output->SetPlanarConfiguration( 0 ); // FIXME OT-PAL-8-face.dcm has a PlanarConfiguration while being PALETTE COLOR...
const TransferSyntax &ts = image.GetTransferSyntax();
//assert( ts == TransferSyntax::RLELossless );
if( ts.IsExplicit() )
{
Output->SetTransferSyntax( TransferSyntax::ExplicitVRLittleEndian );
}
else
{
assert( ts.IsImplicit() );
Output->SetTransferSyntax( TransferSyntax::ImplicitVRLittleEndian );
}
// I do not have access to the DataSet:
#if 0
{
// usual tags:
ds.Remove( Tag(0x0028, 0x1101) );
ds.Remove( Tag(0x0028, 0x1102) );
ds.Remove( Tag(0x0028, 0x1103) );
ds.Remove( Tag(0x0028, 0x1201) );
ds.Remove( Tag(0x0028, 0x1202) );
ds.Remove( Tag(0x0028, 0x1203) );
// Don't forget the segmented one:
ds.Remove( Tag(0x0028, 0x1221) );
ds.Remove( Tag(0x0028, 0x1222) );
ds.Remove( Tag(0x0028, 0x1223) );
// PaletteColorLookupTableUID ??
ds.Remove( Tag(0x0028, 0x1199) );
}
#endif
bool success = true;
return success;
}
void ImageApplyLookupTable::SetRGB8(bool b)
{
pimpl->rgb8 = b;
}
} // end namespace gdcm
|
