/usr/include/openigtlink/igtl_image.h is in libopenigtlink-dev 1.10.5-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | /*=========================================================================
Program: The OpenIGTLink Library
Language: C
Web page: http://openigtlink.org/
Copyright (c) Insight Software Consortium. All rights reserved.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef __IGTL_IMAGE_H
#define __IGTL_IMAGE_H
#include "igtl_win32header.h"
#include "igtl_util.h"
#include "igtl_types.h"
#include "igtl_win32header.h"
#define IGTL_IMAGE_HEADER_VERSION 1
#define IGTL_IMAGE_HEADER_SIZE 72
/* Data type */
#define IGTL_IMAGE_DTYPE_SCALAR 1
#define IGTL_IMAGE_DTYPE_VECTOR 3
/* Scalar type */
#define IGTL_IMAGE_STYPE_TYPE_INT8 2
#define IGTL_IMAGE_STYPE_TYPE_UINT8 3
#define IGTL_IMAGE_STYPE_TYPE_INT16 4
#define IGTL_IMAGE_STYPE_TYPE_UINT16 5
#define IGTL_IMAGE_STYPE_TYPE_INT32 6
#define IGTL_IMAGE_STYPE_TYPE_UINT32 7
#define IGTL_IMAGE_STYPE_TYPE_FLOAT32 10
#define IGTL_IMAGE_STYPE_TYPE_FLOAT64 11
/* Endian */
#define IGTL_IMAGE_ENDIAN_BIG 1
#define IGTL_IMAGE_ENDIAN_LITTLE 2
/* Image coordinate system */
#define IGTL_IMAGE_COORD_RAS 1
#define IGTL_IMAGE_COORD_LPS 2
#ifdef __cplusplus
extern "C" {
#endif
#pragma pack(1) /* For 1-byte boundary in memroy */
/** Image data consists of image data header, which is defined in this
* structure, folowed by array of image pixel data.
* igtl_image_header helps a receiver to load array of image pixel data.
* The header supports "partial volume update", where a fraction of volume
* image is transferred from a sender to receiver. This fraction called
* "sub-volume" in this protocol, and its size and starting index is
* specified in 'subvol_size' and 'subvol_offset'.
* In case of transferring entire image in one message, 'size' and
* 'subvol_size' should be same, and 'subvol_offset' equals (0, 0, 0). */
typedef struct {
igtl_uint16 version; /* data format version number(1) */
igtl_uint8 num_components; /* number of components per element*/
igtl_uint8 scalar_type; /* scalar type */
/*2:int8 3:uint8 4:int16 5:uint16 6:int32 7:uint32 10:float32 11:float64) */
igtl_uint8 endian; /* endian type of image data */
/* (1:big, 2:little) */
igtl_uint8 coord; /* coordinate system (1:RAS 2:LPS) */
igtl_uint16 size[3]; /* entire image volume size */
igtl_float32 matrix[12]; /* orientation / origin of image */
/* - matrix[0-2]: norm_i * pix_i */
/* - matrix[3-5]: norm_j * pix_j */
/* - matrix[6-8]: norm_k * pix_k */
/* - matrix[9-11]:origin */
/* where norm_* are normal vectors */
/* along each index, and pix_* are */
/* pixel size in each direction */
igtl_uint16 subvol_offset[3]; /* sub volume offset */
igtl_uint16 subvol_size[3]; /* sub volume size */
} igtl_image_header;
#pragma pack()
/** Calculates size of the pixel array, which will be transferred with the specified header. */
igtl_uint64 igtl_export igtl_image_get_data_size(igtl_image_header * header);
/** Generates image orientation/origin matrix from spacing, origin and normal vectors. */
void igtl_export igtl_image_set_matrix(float spacing[3], float origin[3],
float norm_i[3], float norm_j[3], float norm_k[3],
igtl_image_header * header);
void igtl_export igtl_image_get_matrix(float spacing[3], float origin[3],
float norm_i[3], float norm_j[3], float norm_k[3],
igtl_image_header * header);
/** Converts endianness of each member variable in igtl_image_header from host
* byte order to network byte order, or vice versa. */
void igtl_export igtl_image_convert_byte_order(igtl_image_header * header);
/** Calculates CRC of image data body including header and array of pixel data. */
igtl_uint64 igtl_export igtl_image_get_crc(igtl_image_header * header, void* image);
#ifdef __cplusplus
}
#endif
#endif /* __IGTL_IMAGE_H */
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