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

annotate OrthancFramework/Sources/DicomFormat/DicomIntegerPixelAccessor.cpp @ 4827:4cfd96732076

Support decoding of black-and-white images (with 1 bit per pixel), notably DICOM SEG

author	Sebastien Jodogne <s.jodogne@gmail.com>
date	Thu, 25 Nov 2021 15:52:54 +0100
parents	381c2ca04860
children	7053502fbf97

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
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	6 *
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	7 * 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	8 * 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	9 * 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	10 * the License, or (at your option) any later version.
136 fe180eae201d openssl exception Sebastien Jodogne <s.jodogne@gmail.com> parents: 107 diff changeset	11 *
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	12 * 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	13 * WITHOUT ANY WARRANTY; without even the implied warranty of
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	14 * 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	15 * Lesser General Public License for more details.
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	16 *
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	17 * 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	18 * 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	19 * <http://www.gnu.org/licenses/>.
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	20 **/
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
824 a811bdf8b8eb precompiled headers Sebastien Jodogne <s.jodogne@gmail.com> parents: 800 diff changeset	23 #include "../PrecompiledHeaders.h"
a811bdf8b8eb precompiled headers Sebastien Jodogne <s.jodogne@gmail.com> parents: 800 diff changeset	24
6 9d483cf71d17 fix warnings Sebastien Jodogne <s.jodogne@gmail.com> parents: 2 diff changeset	25 #ifndef NOMINMAX
2 67a6978503b7 fixing Windows build Jodogne@Laptop parents: 0 diff changeset	26 #define NOMINMAX
6 9d483cf71d17 fix warnings Sebastien Jodogne <s.jodogne@gmail.com> parents: 2 diff changeset	27 #endif
9d483cf71d17 fix warnings Sebastien Jodogne <s.jodogne@gmail.com> parents: 2 diff changeset	28
627 b8f738685ad2 fix for visual studio jodogne parents: 537 diff changeset	29 #include "DicomIntegerPixelAccessor.h"
b8f738685ad2 fix for visual studio jodogne parents: 537 diff changeset	30
79 297bad4e1019 refactoring Sebastien Jodogne <s.jodogne@gmail.com> parents: 78 diff changeset	31 #include "../OrthancException.h"
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	32 #include <boost/lexical_cast.hpp>
2 67a6978503b7 fixing Windows build Jodogne@Laptop parents: 0 diff changeset	33 #include <limits>
107 3b45473c0a73 replace boost::locale with iconv for debian Sebastien Jodogne <s.jodogne@gmail.com> parents: 80 diff changeset	34 #include <cassert>
368 80011cd589e6 support of rgb images Sebastien Jodogne <s.jodogne@gmail.com> parents: 319 diff changeset	35 #include <stdio.h>
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	36
62 a70bb32802ae renaming Server Sebastien Jodogne <s.jodogne@gmail.com> parents: 57 diff changeset	37 namespace Orthanc
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	38 {
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	39 DicomIntegerPixelAccessor::DicomIntegerPixelAccessor(const DicomMap& values,
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	40 const void* pixelData,
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	41 size_t size) :
853 839be3022203 DicomImageInformation Sebastien Jodogne <s.jodogne@gmail.com> parents: 824 diff changeset	42 information_(values),
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	43 pixelData_(pixelData),
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	44 size_(size)
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	45 {
2279 16e45af17a4d Ability to retrieve raw frames encoded as unsigned 32-bits integers Sebastien Jodogne <s.jodogne@gmail.com> parents: 2244 diff changeset	46 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	47 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	48 {
16e45af17a4d Ability to retrieve raw frames encoded as unsigned 32-bits integers Sebastien Jodogne <s.jodogne@gmail.com> parents: 2244 diff changeset	49 // 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	50 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	51 }
16e45af17a4d Ability to retrieve raw frames encoded as unsigned 32-bits integers Sebastien Jodogne <s.jodogne@gmail.com> parents: 2244 diff changeset	52
853 839be3022203 DicomImageInformation Sebastien Jodogne <s.jodogne@gmail.com> parents: 824 diff changeset	53 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	54 frameOffset_ = information_.GetFrameSize();
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	55
853 839be3022203 DicomImageInformation Sebastien Jodogne <s.jodogne@gmail.com> parents: 824 diff changeset	56 if (information_.GetNumberOfFrames() * frameOffset_ > size)
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	57 {
319 760d0f32cb34 PMSCT_RLE1 Sebastien Jodogne <s.jodogne@gmail.com> parents: 136 diff changeset	58 throw OrthancException(ErrorCode_BadFileFormat);
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	59 }
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	60
853 839be3022203 DicomImageInformation Sebastien Jodogne <s.jodogne@gmail.com> parents: 824 diff changeset	61 if (information_.IsSigned())
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	62 {
537 2890721b0f57 comment Sebastien Jodogne <s.jodogne@gmail.com> parents: 465 diff changeset	63 // Pixels are signed
853 839be3022203 DicomImageInformation Sebastien Jodogne <s.jodogne@gmail.com> parents: 824 diff changeset	64 mask_ = (1 << (information_.GetBitsStored() - 1)) - 1;
839be3022203 DicomImageInformation Sebastien Jodogne <s.jodogne@gmail.com> parents: 824 diff changeset	65 signMask_ = (1 << (information_.GetBitsStored() - 1));
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	66 }
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	67 else
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	68 {
537 2890721b0f57 comment Sebastien Jodogne <s.jodogne@gmail.com> parents: 465 diff changeset	69 // Pixels are unsigned
853 839be3022203 DicomImageInformation Sebastien Jodogne <s.jodogne@gmail.com> parents: 824 diff changeset	70 mask_ = (1 << information_.GetBitsStored()) - 1;
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	71 signMask_ = 0;
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	72 }
53 293038baf8f1 access to multi-frame images Sebastien Jodogne <s.jodogne@gmail.com> parents: 50 diff changeset	73
853 839be3022203 DicomImageInformation Sebastien Jodogne <s.jodogne@gmail.com> parents: 824 diff changeset	74 if (information_.IsPlanar())
368 80011cd589e6 support of rgb images Sebastien Jodogne <s.jodogne@gmail.com> parents: 319 diff changeset	75 {
80011cd589e6 support of rgb images Sebastien Jodogne <s.jodogne@gmail.com> parents: 319 diff changeset	76 /**
857 f53358c70c05 fix Sebastien Jodogne <s.jodogne@gmail.com> parents: 854 diff changeset	77 * Each color plane shall be sent contiguously. For RGB images,
f53358c70c05 fix Sebastien Jodogne <s.jodogne@gmail.com> parents: 854 diff changeset	78 * 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	79 * ..., G1, G2, G3, ..., B1, B2, B3, etc.
f53358c70c05 fix Sebastien Jodogne <s.jodogne@gmail.com> parents: 854 diff changeset	80 **/
860 80c7e53a69b5 bugfix Sebastien Jodogne <s.jodogne@gmail.com> parents: 857 diff changeset	81 rowOffset_ = information_.GetWidth() * information_.GetBytesPerValue();
857 f53358c70c05 fix Sebastien Jodogne <s.jodogne@gmail.com> parents: 854 diff changeset	82 }
f53358c70c05 fix Sebastien Jodogne <s.jodogne@gmail.com> parents: 854 diff changeset	83 else
f53358c70c05 fix Sebastien Jodogne <s.jodogne@gmail.com> parents: 854 diff changeset	84 {
f53358c70c05 fix Sebastien Jodogne <s.jodogne@gmail.com> parents: 854 diff changeset	85 /**
368 80011cd589e6 support of rgb images Sebastien Jodogne <s.jodogne@gmail.com> parents: 319 diff changeset	86 * 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	87 * 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	88 * 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	89 * R2, G2, B2, ..., etc.
80011cd589e6 support of rgb images Sebastien Jodogne <s.jodogne@gmail.com> parents: 319 diff changeset	90 **/
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	91 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	92 {
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 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	94 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	95 {
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 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	97 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	98 }
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 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	100 {
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 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	102 "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	103 }
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 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	106 {
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 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	108 }
368 80011cd589e6 support of rgb images Sebastien Jodogne <s.jodogne@gmail.com> parents: 319 diff changeset	109 }
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	110 }
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 void DicomIntegerPixelAccessor::GetExtremeValues(int32_t& min,
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	114 int32_t& max) const
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	115 {
853 839be3022203 DicomImageInformation Sebastien Jodogne <s.jodogne@gmail.com> parents: 824 diff changeset	116 if (information_.GetHeight() == 0 \|\| information_.GetWidth() == 0)
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	117 {
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	118 min = max = 0;
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	119 return;
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	120 }
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 min = std::numeric_limits<int32_t>::max();
3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	123 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	124
9279de56a405 avoid multiple calls to GetWidth() and GetHeight() on pixel loops Sebastien Jodogne <s.jodogne@gmail.com> parents: 4119 diff changeset	125 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	126 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	127 const unsigned int channels = information_.GetChannelCount();
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	128
4278 9279de56a405 avoid multiple calls to GetWidth() and GetHeight() on pixel loops Sebastien Jodogne <s.jodogne@gmail.com> parents: 4119 diff changeset	129 for (unsigned int y = 0; y < height; y++)
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	130 {
4278 9279de56a405 avoid multiple calls to GetWidth() and GetHeight() on pixel loops Sebastien Jodogne <s.jodogne@gmail.com> parents: 4119 diff changeset	131 for (unsigned int x = 0; x < width; x++)
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	132 {
4278 9279de56a405 avoid multiple calls to GetWidth() and GetHeight() on pixel loops Sebastien Jodogne <s.jodogne@gmail.com> parents: 4119 diff changeset	133 for (unsigned int c = 0; c < channels; c++)
368 80011cd589e6 support of rgb images Sebastien Jodogne <s.jodogne@gmail.com> parents: 319 diff changeset	134 {
4825 381c2ca04860 fix DicomIntegerPixelAccessor::GetExtremeValues() on multi-channel images Sebastien Jodogne <s.jodogne@gmail.com> parents: 4437 diff changeset	135 int32_t v = GetValue(x, y, c);
368 80011cd589e6 support of rgb images Sebastien Jodogne <s.jodogne@gmail.com> parents: 319 diff changeset	136 if (v < min)
80011cd589e6 support of rgb images Sebastien Jodogne <s.jodogne@gmail.com> parents: 319 diff changeset	137 min = v;
80011cd589e6 support of rgb images Sebastien Jodogne <s.jodogne@gmail.com> parents: 319 diff changeset	138 if (v > max)
80011cd589e6 support of rgb images Sebastien Jodogne <s.jodogne@gmail.com> parents: 319 diff changeset	139 max = v;
80011cd589e6 support of rgb images Sebastien Jodogne <s.jodogne@gmail.com> parents: 319 diff changeset	140 }
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	141 }
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
368 80011cd589e6 support of rgb images Sebastien Jodogne <s.jodogne@gmail.com> parents: 319 diff changeset	146 int32_t DicomIntegerPixelAccessor::GetValue(unsigned int x,
80011cd589e6 support of rgb images Sebastien Jodogne <s.jodogne@gmail.com> parents: 319 diff changeset	147 unsigned int y,
80011cd589e6 support of rgb images Sebastien Jodogne <s.jodogne@gmail.com> parents: 319 diff changeset	148 unsigned int channel) const
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	149 {
857 f53358c70c05 fix Sebastien Jodogne <s.jodogne@gmail.com> parents: 854 diff changeset	150 assert(x < information_.GetWidth() &&
f53358c70c05 fix Sebastien Jodogne <s.jodogne@gmail.com> parents: 854 diff changeset	151 y < information_.GetHeight() &&
f53358c70c05 fix Sebastien Jodogne <s.jodogne@gmail.com> parents: 854 diff changeset	152 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	153
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 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	155 y * rowOffset_ + frame_ * frameOffset_);
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	156
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	157 if (information_.GetBitsStored() == 1)
857 f53358c70c05 fix Sebastien Jodogne <s.jodogne@gmail.com> parents: 854 diff changeset	158 {
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	159 // 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	160 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	161 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	162 !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	163
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 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	165
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 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	167 {
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 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	169 }
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 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	171 {
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 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	173 }
857 f53358c70c05 fix Sebastien Jodogne <s.jodogne@gmail.com> parents: 854 diff changeset	174 }
f53358c70c05 fix Sebastien Jodogne <s.jodogne@gmail.com> parents: 854 diff changeset	175 else
368 80011cd589e6 support of rgb images Sebastien Jodogne <s.jodogne@gmail.com> parents: 319 diff changeset	176 {
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	177 // 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	178 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	179 {
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 * 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	182 * 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	183 * ..., 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	184 **/
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 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	186 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	187 }
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 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	189 {
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 * 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	192 * 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	193 * 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	194 * 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	195 **/
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 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	197 }
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	198
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	199 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	200 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	201 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	202 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	203 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	204 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	205 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	206 v = v + (static_cast<uint32_t>(pixel[3]) << 24);
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	207
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	208 v = v >> information_.GetShift();
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	209
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	210 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	211 {
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 // 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	213 // 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	214 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	215 }
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 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	217 {
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 // 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	219 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	220 }
464 5987dd8e0776 fix reading signed values in dicom Sebastien Jodogne <s.jodogne@gmail.com> parents: 398 diff changeset	221 }
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	222 }
53 293038baf8f1 access to multi-frame images Sebastien Jodogne <s.jodogne@gmail.com> parents: 50 diff changeset	223
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 void DicomIntegerPixelAccessor::SetCurrentFrame(unsigned int frame)
293038baf8f1 access to multi-frame images Sebastien Jodogne <s.jodogne@gmail.com> parents: 50 diff changeset	226 {
853 839be3022203 DicomImageInformation Sebastien Jodogne <s.jodogne@gmail.com> parents: 824 diff changeset	227 if (frame >= information_.GetNumberOfFrames())
53 293038baf8f1 access to multi-frame images Sebastien Jodogne <s.jodogne@gmail.com> parents: 50 diff changeset	228 {
62 a70bb32802ae renaming Server Sebastien Jodogne <s.jodogne@gmail.com> parents: 57 diff changeset	229 throw OrthancException(ErrorCode_ParameterOutOfRange);
53 293038baf8f1 access to multi-frame images Sebastien Jodogne <s.jodogne@gmail.com> parents: 50 diff changeset	230 }
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 frame_ = frame;
293038baf8f1 access to multi-frame images Sebastien Jodogne <s.jodogne@gmail.com> parents: 50 diff changeset	233 }
293038baf8f1 access to multi-frame images Sebastien Jodogne <s.jodogne@gmail.com> parents: 50 diff changeset	234
0 3959d33612cc initial commit Sebastien Jodogne <s.jodogne@gmail.com> parents: diff changeset	235 }

Mercurial > hg > orthanc

annotate OrthancFramework/Sources/DicomFormat/DicomIntegerPixelAccessor.cpp @ 4827:4cfd96732076