OpenJPEG  2.5.0
image.h
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1 /*
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7  * Copyright (c) 2005, Herve Drolon, FreeImage Team
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11  * modification, are permitted provided that the following conditions
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31 #ifndef OPJ_IMAGE_H
32 #define OPJ_IMAGE_H
33 
40 struct opj_image;
41 struct opj_cp;
42 
45 
51 opj_image_t* opj_image_create0(void);
52 
53 
54 
61 void opj_image_comp_header_update(opj_image_t * p_image,
62  const struct opj_cp* p_cp);
63 
64 void opj_copy_image_header(const opj_image_t* p_image_src,
65  opj_image_t* p_image_dest);
66 
69 #endif /* OPJ_IMAGE_H */
70 
opj_image::x1
OPJ_UINT32 x1
Xsiz: width of the reference grid.
Definition: openjpeg.h:715
OPJ_BYTE
unsigned char OPJ_BYTE
Definition: openjpeg.h:123
opj_calloc
void * opj_calloc(size_t num, size_t size)
Allocate a memory block with elements initialized to 0.
Definition: opj_malloc.c:198
opj_image_comp::dy
OPJ_UINT32 dy
YRsiz: vertical separation of a sample of ith component with respect to the reference grid.
Definition: openjpeg.h:681
opj_image::y1
OPJ_UINT32 y1
Ysiz: height of the reference grid.
Definition: openjpeg.h:717
opj_image::numcomps
OPJ_UINT32 numcomps
number of components in the image
Definition: openjpeg.h:719
opj_uint_ceildiv
static INLINE OPJ_UINT32 opj_uint_ceildiv(OPJ_UINT32 a, OPJ_UINT32 b)
Divide an integer and round upwards.
Definition: opj_intmath.h:170
SIZE_MAX
#define SIZE_MAX
Definition: opj_malloc.c:40
opj_image_comp::data
OPJ_INT32 * data
image component data
Definition: openjpeg.h:701
opj_image_comp_header_update
void opj_image_comp_header_update(opj_image_t *p_image, const struct opj_cp *p_cp)
Updates the components characteristics of the image from the coding parameters.
Definition: image.c:121
opj_image_data_alloc
void *OPJ_CALLCONV opj_image_data_alloc(OPJ_SIZE_T size)
Allocator for opj_image_t->comps[].data To be paired with opj_image_data_free.
Definition: openjpeg.c:1128
opj_image_comptparm
Component parameters structure used by the opj_image_create function.
Definition: openjpeg.h:734
opj_image::color_space
OPJ_COLOR_SPACE color_space
color space: sRGB, Greyscale or YUV
Definition: openjpeg.h:721
opj_image_comptparm::y0
OPJ_UINT32 y0
y component offset compared to the whole image
Definition: openjpeg.h:746
opj_copy_image_header
void opj_copy_image_header(const opj_image_t *p_image_src, opj_image_t *p_image_dest)
Copy only header of image and its component header (no data are copied) if dest image have data,...
Definition: image.c:164
opj_image_comp
Defines a single image component.
Definition: openjpeg.h:677
opj_cp
Coding parameters.
Definition: j2k.h:351
opj_image::icc_profile_buf
OPJ_BYTE * icc_profile_buf
'restricted' ICC profile
Definition: openjpeg.h:725
opj_cp::tdy
OPJ_UINT32 tdy
YTsiz.
Definition: j2k.h:363
opj_cp::tx0
OPJ_UINT32 tx0
XTOsiz.
Definition: j2k.h:357
opj_cp::tdx
OPJ_UINT32 tdx
XTsiz.
Definition: j2k.h:361
opj_image_create
opj_image_t *OPJ_CALLCONV opj_image_create(OPJ_UINT32 numcmpts, opj_image_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc)
Create an image.
Definition: image.c:40
opj_uint_adds
static INLINE OPJ_UINT32 opj_uint_adds(OPJ_UINT32 a, OPJ_UINT32 b)
Get the saturated sum of two unsigned integers.
Definition: opj_intmath.h:92
OPJ_SIZE_T
size_t OPJ_SIZE_T
Definition: openjpeg.h:139
opj_includes.h
opj_image_comp::x0
OPJ_UINT32 x0
x component offset compared to the whole image
Definition: openjpeg.h:687
opj_image_destroy
void OPJ_CALLCONV opj_image_destroy(opj_image_t *image)
Deallocate any resources associated with an image.
Definition: image.c:91
opj_image_comptparm::x0
OPJ_UINT32 x0
x component offset compared to the whole image
Definition: openjpeg.h:744
opj_image_comp::sgnd
OPJ_UINT32 sgnd
signed (1) / unsigned (0)
Definition: openjpeg.h:695
OPJ_INT32
int32_t OPJ_INT32
Definition: openjpeg.h:131
opj_cp::th
OPJ_UINT32 th
number of tiles in height
Definition: j2k.h:369
opj_image_comp::h
OPJ_UINT32 h
data height
Definition: openjpeg.h:685
opj_image_create0
opj_image_t * opj_image_create0(void)
Create an empty image.
Definition: image.c:34
opj_image_comp::prec
OPJ_UINT32 prec
precision: number of bits per component per pixel
Definition: openjpeg.h:691
opj_image::y0
OPJ_UINT32 y0
YOsiz: vertical offset from the origin of the reference grid to the top side of the image area.
Definition: openjpeg.h:713
opj_image_comp::y0
OPJ_UINT32 y0
y component offset compared to the whole image
Definition: openjpeg.h:689
opj_uint_min
static INLINE OPJ_UINT32 opj_uint_min(OPJ_UINT32 a, OPJ_UINT32 b)
Get the minimum of two integers.
Definition: opj_intmath.h:65
opj_uint_max
static INLINE OPJ_UINT32 opj_uint_max(OPJ_UINT32 a, OPJ_UINT32 b)
Get the maximum of two integers.
Definition: opj_intmath.h:83
opj_malloc
void * opj_malloc(size_t size)
Allocate an uninitialized memory block.
Definition: opj_malloc.c:191
opj_image_data_free
void OPJ_CALLCONV opj_image_data_free(void *ptr)
Destructor for opj_image_t->comps[].data To be paired with opj_image_data_alloc.
Definition: openjpeg.c:1135
opj_image_comptparm::sgnd
OPJ_UINT32 sgnd
signed (1) / unsigned (0)
Definition: openjpeg.h:752
opj_free
void opj_free(void *ptr)
Deallocates or frees a memory block.
Definition: opj_malloc.c:246
opj_image_comptparm::w
OPJ_UINT32 w
data width
Definition: openjpeg.h:740
opj_image_comp::w
OPJ_UINT32 w
data width
Definition: openjpeg.h:683
OPJ_COLOR_SPACE
enum COLOR_SPACE OPJ_COLOR_SPACE
Supported image color spaces.
opj_image::x0
OPJ_UINT32 x0
XOsiz: horizontal offset from the origin of the reference grid to the left side of the image area.
Definition: openjpeg.h:711
opj_uint_ceildivpow2
static INLINE OPJ_UINT32 opj_uint_ceildivpow2(OPJ_UINT32 a, OPJ_UINT32 b)
Divide an integer by a power of 2 and round upwards.
Definition: opj_intmath.h:198
opj_image::comps
opj_image_comp_t * comps
image components
Definition: openjpeg.h:723
opj_image::icc_profile_len
OPJ_UINT32 icc_profile_len
size of ICC profile
Definition: openjpeg.h:727
opj_image_tile_create
opj_image_t *OPJ_CALLCONV opj_image_tile_create(OPJ_UINT32 numcmpts, opj_image_cmptparm_t *cmptparms, OPJ_COLOR_SPACE clrspc)
Creates an image without allocating memory for the image (used in the new version of the library).
Definition: image.c:227
opj_cp::tw
OPJ_UINT32 tw
number of tiles in width
Definition: j2k.h:367
OPJ_UINT32
uint32_t OPJ_UINT32
Definition: openjpeg.h:132
opj_image_comp::factor
OPJ_UINT32 factor
number of division by 2 of the out image compared to the original size of image
Definition: openjpeg.h:699
opj_image_comp::dx
OPJ_UINT32 dx
XRsiz: horizontal separation of a sample of ith component with respect to the reference grid.
Definition: openjpeg.h:679
opj_cp::ty0
OPJ_UINT32 ty0
YTOsiz.
Definition: j2k.h:359
opj_image_comptparm::dx
OPJ_UINT32 dx
XRsiz: horizontal separation of a sample of ith component with respect to the reference grid.
Definition: openjpeg.h:736
opj_image_comptparm::h
OPJ_UINT32 h
data height
Definition: openjpeg.h:742
opj_copy_image_header
void opj_copy_image_header(const opj_image_t *p_image_src, opj_image_t *p_image_dest)
Copy only header of image and its component header (no data are copied) if dest image have data,...
Definition: image.c:164
opj_image_comp_header_update
void opj_image_comp_header_update(opj_image_t *p_image_header, const struct opj_cp *p_cp)
Updates the components characteristics of the image from the coding parameters.
Definition: image.c:121
opj_image_comptparm::prec
OPJ_UINT32 prec
precision: number of bits per component per pixel
Definition: openjpeg.h:748
opj_image_create0
opj_image_t * opj_image_create0(void)
Create an empty image.
Definition: image.c:34
OPJ_CALLCONV
#define OPJ_CALLCONV
Definition: openjpeg.h:98
opj_image_comptparm::dy
OPJ_UINT32 dy
YRsiz: vertical separation of a sample of ith component with respect to the reference grid.
Definition: openjpeg.h:738
opj_image
Defines image data and characteristics.
Definition: openjpeg.h:709
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