orthanc: OrthancFramework/Sources/DicomFormat/DicomIntegerPixelAccessor.cpp annotate

annotate OrthancFramework/Sources/DicomFormat/DicomIntegerPixelAccessor.cpp @ 4831:7053502fbf97

added copyright UCLouvain

author	Sebastien Jodogne <s.jodogne@gmail.com>
date	Thu, 25 Nov 2021 19:01:11 +0100
parents	4cfd96732076
children	43e613a7756b

rev	line source
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	1 /**
62 a70bb32802ae renaming Server Sebastien Jodogne <s.jodogne@gmail.com> parents: 57 diff changeset	2 * Orthanc - A Lightweight, RESTful DICOM Store
1900 b1291df2f780 2016 Sebastien Jodogne <s.jodogne@gmail.com> parents: 1288 diff changeset	3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
1288 6e7e5ed91c2d upgrade to year 2015 Sebastien Jodogne <s.jodogne@gmail.com> parents: 860 diff changeset	4 * Department, University Hospital of Liege, Belgium
4437 d9473bd5ed43 upgrade to year 2021 Sebastien Jodogne <s.jodogne@gmail.com> parents: 4278 diff changeset	5 * Copyright (C) 2017-2021 Osimis S.A., Belgium
4831 7053502fbf97 added copyright UCLouvain Sebastien Jodogne <s.jodogne@gmail.com> parents: 4827 diff changeset	6 * Copyright (C) 2021-2021 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	7 *
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	8 * This program is free software: you can redistribute it and/or
4119 bf7b9edf6b81 re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL Sebastien Jodogne <s.jodogne@gmail.com> parents: 4044 diff changeset	9 * modify it under the terms of the GNU Lesser General Public License
bf7b9edf6b81 re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL Sebastien Jodogne <s.jodogne@gmail.com> parents: 4044 diff changeset	10 * as published by the Free Software Foundation, either version 3 of
bf7b9edf6b81 re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL Sebastien Jodogne <s.jodogne@gmail.com> parents: 4044 diff changeset	11 * the License, or (at your option) any later version.
136 fe180eae201d openssl exception Sebastien Jodogne <s.jodogne@gmail.com> parents: 107 diff changeset	12 *
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	13 * This program is distributed in the hope that it will be useful, but
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	14 * WITHOUT ANY WARRANTY; without even the implied warranty of
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
4119 bf7b9edf6b81 re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL Sebastien Jodogne <s.jodogne@gmail.com> parents: 4044 diff changeset	16 * Lesser General Public License for more details.
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	17 *
4119 bf7b9edf6b81 re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL Sebastien Jodogne <s.jodogne@gmail.com> parents: 4044 diff changeset	18 * You should have received a copy of the GNU Lesser General Public
bf7b9edf6b81 re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL Sebastien Jodogne <s.jodogne@gmail.com> parents: 4044 diff changeset	19 * License along with this program. If not, see
bf7b9edf6b81 re-licensing the OrthancFramework to LGPL, in order to license Stone of Orthanc under LGPL Sebastien Jodogne <s.jodogne@gmail.com> parents: 4044 diff changeset	20 * <http://www.gnu.org/licenses/>.
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	21 **/
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	22
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	23
824 a811bdf8b8eb precompiled headers Sebastien Jodogne <s.jodogne@gmail.com> parents: 800 diff changeset	24 #include "../PrecompiledHeaders.h"
a811bdf8b8eb precompiled headers Sebastien Jodogne <s.jodogne@gmail.com> parents: 800 diff changeset	25
6 9d483cf71d17 fix warnings Sebastien Jodogne <s.jodogne@gmail.com> parents: 2 diff changeset	26 #ifndef NOMINMAX
2 67a6978503b7 fixing Windows build Jodogne@Laptop parents: 0 diff changeset	27 #define NOMINMAX
6 9d483cf71d17 fix warnings Sebastien Jodogne <s.jodogne@gmail.com> parents: 2 diff changeset	28 #endif
9d483cf71d17 fix warnings Sebastien Jodogne <s.jodogne@gmail.com> parents: 2 diff changeset	29
627 b8f738685ad2 fix for visual studio jodogne parents: 537 diff changeset	30 #include "DicomIntegerPixelAccessor.h"
b8f738685ad2 fix for visual studio jodogne parents: 537 diff changeset	31
79 297bad4e1019 refactoring Sebastien Jodogne <s.jodogne@gmail.com> parents: 78 diff changeset	32 #include "../OrthancException.h"
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	33 #include <boost/lexical_cast.hpp>
2 67a6978503b7 fixing Windows build Jodogne@Laptop parents: 0 diff changeset	34 #include <limits>
107 3b45473c0a73 replace boost::locale with iconv for debian Sebastien Jodogne <s.jodogne@gmail.com> parents: 80 diff changeset	35 #include <cassert>
368 80011cd589e6 support of rgb images Sebastien Jodogne <s.jodogne@gmail.com> parents: 319 diff changeset	36 #include <stdio.h>
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	37
62 a70bb32802ae renaming Server Sebastien Jodogne <s.jodogne@gmail.com> parents: 57 diff changeset	38 namespace Orthanc
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	39 {
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	40 DicomIntegerPixelAccessor::DicomIntegerPixelAccessor(const DicomMap& values,
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	41 const void* pixelData,
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	42 size_t size) :
853 839be3022203 DicomImageInformation Sebastien Jodogne <s.jodogne@gmail.com> parents: 824 diff changeset	43 information_(values),
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	44 pixelData_(pixelData),
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	45 size_(size)
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	46 {
2279 16e45af17a4d Ability to retrieve raw frames encoded as unsigned 32-bits integers Sebastien Jodogne <s.jodogne@gmail.com> parents: 2244 diff changeset	47 if (information_.GetBitsAllocated() > 32 \|\|
16e45af17a4d Ability to retrieve raw frames encoded as unsigned 32-bits integers Sebastien Jodogne <s.jodogne@gmail.com> parents: 2244 diff changeset	48 information_.GetBitsStored() >= 32)
16e45af17a4d Ability to retrieve raw frames encoded as unsigned 32-bits integers Sebastien Jodogne <s.jodogne@gmail.com> parents: 2244 diff changeset	49 {
16e45af17a4d Ability to retrieve raw frames encoded as unsigned 32-bits integers Sebastien Jodogne <s.jodogne@gmail.com> parents: 2244 diff changeset	50 // Not available, as the accessor internally uses int32_t values
16e45af17a4d Ability to retrieve raw frames encoded as unsigned 32-bits integers Sebastien Jodogne <s.jodogne@gmail.com> parents: 2244 diff changeset	51 throw OrthancException(ErrorCode_NotImplemented);
16e45af17a4d Ability to retrieve raw frames encoded as unsigned 32-bits integers Sebastien Jodogne <s.jodogne@gmail.com> parents: 2244 diff changeset	52 }
16e45af17a4d Ability to retrieve raw frames encoded as unsigned 32-bits integers Sebastien Jodogne <s.jodogne@gmail.com> parents: 2244 diff changeset	53
853 839be3022203 DicomImageInformation Sebastien Jodogne <s.jodogne@gmail.com> parents: 824 diff changeset	54 frame_ = 0;
1924 6c73df12ca51 New URI: "/instances/.../frames/.../raw" to access the raw frames (bypass image decoding) Sebastien Jodogne <s.jodogne@gmail.com> parents: 1908 diff changeset	55 frameOffset_ = information_.GetFrameSize();
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	56
853 839be3022203 DicomImageInformation Sebastien Jodogne <s.jodogne@gmail.com> parents: 824 diff changeset	57 if (information_.GetNumberOfFrames() * frameOffset_ > size)
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	58 {
319 760d0f32cb34 PMSCT_RLE1 Sebastien Jodogne <s.jodogne@gmail.com> parents: 136 diff changeset	59 throw OrthancException(ErrorCode_BadFileFormat);
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	60 }
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	61
853 839be3022203 DicomImageInformation Sebastien Jodogne <s.jodogne@gmail.com> parents: 824 diff changeset	62 if (information_.IsSigned())
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	63 {
537 2890721b0f57 comment Sebastien Jodogne <s.jodogne@gmail.com> parents: 465 diff changeset	64 // Pixels are signed
853 839be3022203 DicomImageInformation Sebastien Jodogne <s.jodogne@gmail.com> parents: 824 diff changeset	65 mask_ = (1 << (information_.GetBitsStored() - 1)) - 1;
839be3022203 DicomImageInformation Sebastien Jodogne <s.jodogne@gmail.com> parents: 824 diff changeset	66 signMask_ = (1 << (information_.GetBitsStored() - 1));
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	67 }
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	68 else
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	69 {
537 2890721b0f57 comment Sebastien Jodogne <s.jodogne@gmail.com> parents: 465 diff changeset	70 // Pixels are unsigned
853 839be3022203 DicomImageInformation Sebastien Jodogne <s.jodogne@gmail.com> parents: 824 diff changeset	71 mask_ = (1 << information_.GetBitsStored()) - 1;
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	72 signMask_ = 0;
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	73 }
53 293038baf8f1 access to multi-frame images Sebastien Jodogne <s.jodogne@gmail.com> parents: 50 diff changeset	74
853 839be3022203 DicomImageInformation Sebastien Jodogne <s.jodogne@gmail.com> parents: 824 diff changeset	75 if (information_.IsPlanar())
368 80011cd589e6 support of rgb images Sebastien Jodogne <s.jodogne@gmail.com> parents: 319 diff changeset	76 {
80011cd589e6 support of rgb images Sebastien Jodogne <s.jodogne@gmail.com> parents: 319 diff changeset	77 /**
857 f53358c70c05 fix Sebastien Jodogne <s.jodogne@gmail.com> parents: 854 diff changeset	78 * Each color plane shall be sent contiguously. For RGB images,
f53358c70c05 fix Sebastien Jodogne <s.jodogne@gmail.com> parents: 854 diff changeset	79 * this means the order of the pixel values sent is R1, R2, R3,
f53358c70c05 fix Sebastien Jodogne <s.jodogne@gmail.com> parents: 854 diff changeset	80 * ..., G1, G2, G3, ..., B1, B2, B3, etc.
f53358c70c05 fix Sebastien Jodogne <s.jodogne@gmail.com> parents: 854 diff changeset	81 **/
860 80c7e53a69b5 bugfix Sebastien Jodogne <s.jodogne@gmail.com> parents: 857 diff changeset	82 rowOffset_ = information_.GetWidth() * information_.GetBytesPerValue();
857 f53358c70c05 fix Sebastien Jodogne <s.jodogne@gmail.com> parents: 854 diff changeset	83 }
f53358c70c05 fix Sebastien Jodogne <s.jodogne@gmail.com> parents: 854 diff changeset	84 else
f53358c70c05 fix Sebastien Jodogne <s.jodogne@gmail.com> parents: 854 diff changeset	85 {
f53358c70c05 fix Sebastien Jodogne <s.jodogne@gmail.com> parents: 854 diff changeset	86 /**
368 80011cd589e6 support of rgb images Sebastien Jodogne <s.jodogne@gmail.com> parents: 319 diff changeset	87 * The sample values for the first pixel are followed by the
80011cd589e6 support of rgb images Sebastien Jodogne <s.jodogne@gmail.com> parents: 319 diff changeset	88 * sample values for the second pixel, etc. For RGB images, this
80011cd589e6 support of rgb images Sebastien Jodogne <s.jodogne@gmail.com> parents: 319 diff changeset	89 * means the order of the pixel values sent shall be R1, G1, B1,
80011cd589e6 support of rgb images Sebastien Jodogne <s.jodogne@gmail.com> parents: 319 diff changeset	90 * R2, G2, B2, ..., etc.
80011cd589e6 support of rgb images Sebastien Jodogne <s.jodogne@gmail.com> parents: 319 diff changeset	91 **/
4827 4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	92 if (information_.GetBitsStored() == 1)
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	93 {
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	94 if (information_.GetChannelCount() == 1 &&
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	95 information_.GetBitsAllocated() == 1)
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	96 {
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	97 assert(information_.GetWidth() % 8 == 0); // Tested by DicomImageInformation
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	98 rowOffset_ = information_.GetWidth() / 8;
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	99 }
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	100 else
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	101 {
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	102 throw OrthancException(ErrorCode_IncompatibleImageFormat,
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	103 "Image not supported (multi-channel black-and-image image)");
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	104 }
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	105 }
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	106 else
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	107 {
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	108 rowOffset_ = information_.GetWidth() * information_.GetBytesPerValue() * information_.GetChannelCount();
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	109 }
368 80011cd589e6 support of rgb images Sebastien Jodogne <s.jodogne@gmail.com> parents: 319 diff changeset	110 }
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	111 }
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	112
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	113
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	114 void DicomIntegerPixelAccessor::GetExtremeValues(int32_t& min,
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	115 int32_t& max) const
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	116 {
853 839be3022203 DicomImageInformation Sebastien Jodogne <s.jodogne@gmail.com> parents: 824 diff changeset	117 if (information_.GetHeight() == 0 \|\| information_.GetWidth() == 0)
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	118 {
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	119 min = max = 0;
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	120 return;
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	121 }
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	122
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	123 min = std::numeric_limits<int32_t>::max();
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	124 max = std::numeric_limits<int32_t>::min();
4278 9279de56a405 avoid multiple calls to GetWidth() and GetHeight() on pixel loops Sebastien Jodogne <s.jodogne@gmail.com> parents: 4119 diff changeset	125
9279de56a405 avoid multiple calls to GetWidth() and GetHeight() on pixel loops Sebastien Jodogne <s.jodogne@gmail.com> parents: 4119 diff changeset	126 const unsigned int height = information_.GetHeight();
9279de56a405 avoid multiple calls to GetWidth() and GetHeight() on pixel loops Sebastien Jodogne <s.jodogne@gmail.com> parents: 4119 diff changeset	127 const unsigned int width = information_.GetWidth();
9279de56a405 avoid multiple calls to GetWidth() and GetHeight() on pixel loops Sebastien Jodogne <s.jodogne@gmail.com> parents: 4119 diff changeset	128 const unsigned int channels = information_.GetChannelCount();
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	129
4278 9279de56a405 avoid multiple calls to GetWidth() and GetHeight() on pixel loops Sebastien Jodogne <s.jodogne@gmail.com> parents: 4119 diff changeset	130 for (unsigned int y = 0; y < height; y++)
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	131 {
4278 9279de56a405 avoid multiple calls to GetWidth() and GetHeight() on pixel loops Sebastien Jodogne <s.jodogne@gmail.com> parents: 4119 diff changeset	132 for (unsigned int x = 0; x < width; x++)
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	133 {
4278 9279de56a405 avoid multiple calls to GetWidth() and GetHeight() on pixel loops Sebastien Jodogne <s.jodogne@gmail.com> parents: 4119 diff changeset	134 for (unsigned int c = 0; c < channels; c++)
368 80011cd589e6 support of rgb images Sebastien Jodogne <s.jodogne@gmail.com> parents: 319 diff changeset	135 {
4825 381c2ca04860 fix DicomIntegerPixelAccessor::GetExtremeValues() on multi-channel images Sebastien Jodogne <s.jodogne@gmail.com> parents: 4437 diff changeset	136 int32_t v = GetValue(x, y, c);
368 80011cd589e6 support of rgb images Sebastien Jodogne <s.jodogne@gmail.com> parents: 319 diff changeset	137 if (v < min)
80011cd589e6 support of rgb images Sebastien Jodogne <s.jodogne@gmail.com> parents: 319 diff changeset	138 min = v;
80011cd589e6 support of rgb images Sebastien Jodogne <s.jodogne@gmail.com> parents: 319 diff changeset	139 if (v > max)
80011cd589e6 support of rgb images Sebastien Jodogne <s.jodogne@gmail.com> parents: 319 diff changeset	140 max = v;
80011cd589e6 support of rgb images Sebastien Jodogne <s.jodogne@gmail.com> parents: 319 diff changeset	141 }
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	142 }
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	143 }
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	144 }
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	145
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	146
368 80011cd589e6 support of rgb images Sebastien Jodogne <s.jodogne@gmail.com> parents: 319 diff changeset	147 int32_t DicomIntegerPixelAccessor::GetValue(unsigned int x,
80011cd589e6 support of rgb images Sebastien Jodogne <s.jodogne@gmail.com> parents: 319 diff changeset	148 unsigned int y,
80011cd589e6 support of rgb images Sebastien Jodogne <s.jodogne@gmail.com> parents: 319 diff changeset	149 unsigned int channel) const
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	150 {
857 f53358c70c05 fix Sebastien Jodogne <s.jodogne@gmail.com> parents: 854 diff changeset	151 assert(x < information_.GetWidth() &&
f53358c70c05 fix Sebastien Jodogne <s.jodogne@gmail.com> parents: 854 diff changeset	152 y < information_.GetHeight() &&
f53358c70c05 fix Sebastien Jodogne <s.jodogne@gmail.com> parents: 854 diff changeset	153 channel < information_.GetChannelCount());
4827 4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	154
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	155 const uint8_t* pixel = (reinterpret_cast<const uint8_t*>(pixelData_) +
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	156 y * rowOffset_ + frame_ * frameOffset_);
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	157
4827 4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	158 if (information_.GetBitsStored() == 1)
857 f53358c70c05 fix Sebastien Jodogne <s.jodogne@gmail.com> parents: 854 diff changeset	159 {
4827 4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	160 // New in Orthanc 1.9.8, notably for DICOM SEG
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	161 assert(information_.GetBitsAllocated() == 1 &&
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	162 information_.GetChannelCount() == 1 &&
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	163 !information_.IsPlanar());
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	164
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	165 uint8_t b = pixel[x / 8];
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	166
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	167 if (b & (1 << (x % 8)))
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	168 {
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	169 return 255;
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	170 }
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	171 else
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	172 {
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	173 return 0;
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	174 }
857 f53358c70c05 fix Sebastien Jodogne <s.jodogne@gmail.com> parents: 854 diff changeset	175 }
f53358c70c05 fix Sebastien Jodogne <s.jodogne@gmail.com> parents: 854 diff changeset	176 else
368 80011cd589e6 support of rgb images Sebastien Jodogne <s.jodogne@gmail.com> parents: 319 diff changeset	177 {
4827 4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	178 // http://dicom.nema.org/medical/dicom/current/output/html/part03.html#sect_C.7.6.3.1.3
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	179 if (information_.IsPlanar())
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	180 {
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	181 /**
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	182 * Each color plane shall be sent contiguously. For RGB images,
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	183 * this means the order of the pixel values sent is R1, R2, R3,
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	184 * ..., G1, G2, G3, ..., B1, B2, B3, etc.
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	185 **/
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	186 assert(frameOffset_ % information_.GetChannelCount() == 0);
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	187 pixel += channel * frameOffset_ / information_.GetChannelCount() + x * information_.GetBytesPerValue();
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	188 }
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	189 else
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	190 {
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	191 /**
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	192 * The sample values for the first pixel are followed by the
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	193 * sample values for the second pixel, etc. For RGB images, this
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	194 * means the order of the pixel values sent shall be R1, G1, B1,
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	195 * R2, G2, B2, ..., etc.
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	196 **/
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	197 pixel += channel * information_.GetBytesPerValue() + x * information_.GetChannelCount() * information_.GetBytesPerValue();
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	198 }
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	199
4827 4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	200 uint32_t v;
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	201 v = pixel[0];
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	202 if (information_.GetBytesPerValue() >= 2)
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	203 v = v + (static_cast<uint32_t>(pixel[1]) << 8);
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	204 if (information_.GetBytesPerValue() >= 3)
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	205 v = v + (static_cast<uint32_t>(pixel[2]) << 16);
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	206 if (information_.GetBytesPerValue() >= 4)
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	207 v = v + (static_cast<uint32_t>(pixel[3]) << 24);
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	208
4827 4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	209 v = v >> information_.GetShift();
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	210
4827 4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	211 if (v & signMask_)
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	212 {
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	213 // Signed value
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	214 // http://en.wikipedia.org/wiki/Two%27s_complement#Subtraction_from_2N
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	215 return -static_cast<int32_t>(mask_) + static_cast<int32_t>(v & mask_) - 1;
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	216 }
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	217 else
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	218 {
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	219 // Unsigned value
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	220 return static_cast<int32_t>(v & mask_);
4cfd96732076 Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG Sebastien Jodogne <s.jodogne@gmail.com> parents: 4825 diff changeset	221 }
464 5987dd8e0776 fix reading signed values in dicom Sebastien Jodogne <s.jodogne@gmail.com> parents: 398 diff changeset	222 }
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	223 }
53 293038baf8f1 access to multi-frame images Sebastien Jodogne <s.jodogne@gmail.com> parents: 50 diff changeset	224
293038baf8f1 access to multi-frame images Sebastien Jodogne <s.jodogne@gmail.com> parents: 50 diff changeset	225
293038baf8f1 access to multi-frame images Sebastien Jodogne <s.jodogne@gmail.com> parents: 50 diff changeset	226 void DicomIntegerPixelAccessor::SetCurrentFrame(unsigned int frame)
293038baf8f1 access to multi-frame images Sebastien Jodogne <s.jodogne@gmail.com> parents: 50 diff changeset	227 {
853 839be3022203 DicomImageInformation Sebastien Jodogne <s.jodogne@gmail.com> parents: 824 diff changeset	228 if (frame >= information_.GetNumberOfFrames())
53 293038baf8f1 access to multi-frame images Sebastien Jodogne <s.jodogne@gmail.com> parents: 50 diff changeset	229 {
62 a70bb32802ae renaming Server Sebastien Jodogne <s.jodogne@gmail.com> parents: 57 diff changeset	230 throw OrthancException(ErrorCode_ParameterOutOfRange);
53 293038baf8f1 access to multi-frame images Sebastien Jodogne <s.jodogne@gmail.com> parents: 50 diff changeset	231 }
293038baf8f1 access to multi-frame images Sebastien Jodogne <s.jodogne@gmail.com> parents: 50 diff changeset	232
293038baf8f1 access to multi-frame images Sebastien Jodogne <s.jodogne@gmail.com> parents: 50 diff changeset	233 frame_ = frame;
293038baf8f1 access to multi-frame images Sebastien Jodogne <s.jodogne@gmail.com> parents: 50 diff changeset	234 }
293038baf8f1 access to multi-frame images Sebastien Jodogne <s.jodogne@gmail.com> parents: 50 diff changeset	235
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	236 }

Mercurial > hg > orthanc

annotate OrthancFramework/Sources/DicomFormat/DicomIntegerPixelAccessor.cpp @ 4831:7053502fbf97