OpenJPEG: sparse_array.h Source File

OpenJPEG 2.4.0

sparse_array.h
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1 /*
2 * The copyright in this software is being made available under the 2-clauses
3 * BSD License, included below. This software may be subject to other third
4 * party and contributor rights, including patent rights, and no such rights
5 * are granted under this license.
6 *
7 * Copyright (c) 2017, IntoPix SA <contact@intopix.com>
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
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21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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30 */
31
32 #include "opj_includes.h"
33
34 #ifndef OPJ_SPARSE_ARRAY_H
35 #define OPJ_SPARSE_ARRAY_H
36
51
53 typedef struct opj_sparse_array_int32 opj_sparse_array_int32_t;
54
62 opj_sparse_array_int32_t* opj_sparse_array_int32_create(OPJ_UINT32 width,
63 OPJ_UINT32 height,
64 OPJ_UINT32 block_width,
65 OPJ_UINT32 block_height);
66
70 void opj_sparse_array_int32_free(opj_sparse_array_int32_t* sa);
71
80 OPJ_BOOL opj_sparse_array_is_region_valid(const opj_sparse_array_int32_t* sa,
81 OPJ_UINT32 x0,
82 OPJ_UINT32 y0,
83 OPJ_UINT32 x1,
84 OPJ_UINT32 y1);
85
102 OPJ_BOOL opj_sparse_array_int32_read(const opj_sparse_array_int32_t* sa,
103 OPJ_UINT32 x0,
104 OPJ_UINT32 y0,
105 OPJ_UINT32 x1,
106 OPJ_UINT32 y1,
107 OPJ_INT32* dest,
108 OPJ_UINT32 dest_col_stride,
109 OPJ_UINT32 dest_line_stride,
110 OPJ_BOOL forgiving);
111
112
129 OPJ_BOOL opj_sparse_array_int32_write(opj_sparse_array_int32_t* sa,
130 OPJ_UINT32 x0,
131 OPJ_UINT32 y0,
132 OPJ_UINT32 x1,
133 OPJ_UINT32 y1,
134 const OPJ_INT32* src,
135 OPJ_UINT32 src_col_stride,
136 OPJ_UINT32 src_line_stride,
137 OPJ_BOOL forgiving);
138
141 #endif /* OPJ_SPARSE_ARRAY_H */
opj_sparse_array_int32::block_count_hor
OPJ_UINT32 block_count_hor
Definition: sparse_array.c:40
opj_sparse_array_is_region_valid
OPJ_BOOL opj_sparse_array_is_region_valid(const opj_sparse_array_int32_t *sa, OPJ_UINT32 x0, OPJ_UINT32 y0, OPJ_UINT32 x1, OPJ_UINT32 y1)
Returns whether region bounds are valid (non empty and within array bounds)
Definition: sparse_array.c:95
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_sparse_array_int32_read
OPJ_BOOL opj_sparse_array_int32_read(const opj_sparse_array_int32_t *sa, OPJ_UINT32 x0, OPJ_UINT32 y0, OPJ_UINT32 x1, OPJ_UINT32 y1, OPJ_INT32 *dest, OPJ_UINT32 dest_col_stride, OPJ_UINT32 dest_line_stride, OPJ_BOOL forgiving)
Read the content of a rectangular region of the sparse array into a user buffer.
Definition: sparse_array.c:311
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
opj_sparse_array_int32::block_height
OPJ_UINT32 block_height
Definition: sparse_array.c:39
opj_sparse_array_is_region_valid
OPJ_BOOL opj_sparse_array_is_region_valid(const opj_sparse_array_int32_t *sa, OPJ_UINT32 x0, OPJ_UINT32 y0, OPJ_UINT32 x1, OPJ_UINT32 y1)
Returns whether region bounds are valid (non empty and within array bounds)
Definition: sparse_array.c:95
opj_sparse_array_int32::data_blocks
OPJ_INT32 ** data_blocks
Definition: sparse_array.c:42
OPJ_BOOL
int OPJ_BOOL
Definition: openjpeg.h:110
OPJ_SIZE_T
size_t OPJ_SIZE_T
Definition: openjpeg.h:133
opj_includes.h
opj_sparse_array_int32::block_width
OPJ_UINT32 block_width
Definition: sparse_array.c:38
OPJ_INT32
int32_t OPJ_INT32
Definition: openjpeg.h:125
OPJ_RESTRICT
#define OPJ_RESTRICT
Definition: opj_includes.h:121
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_TRUE
#define OPJ_TRUE
Definition: openjpeg.h:111
opj_sparse_array_int32::height
OPJ_UINT32 height
Definition: sparse_array.c:37
opj_sparse_array_int32_free
void opj_sparse_array_int32_free(opj_sparse_array_int32_t *sa)
Frees a sparse array.
Definition: sparse_array.c:81
opj_free
void opj_free(void *ptr)
Deallocates or frees a memory block.
Definition: opj_malloc.c:246
opj_sparse_array_int32
Definition: sparse_array.c:35
opj_sparse_array_int32_free
void opj_sparse_array_int32_free(opj_sparse_array_int32_t *sa)
Frees a sparse array.
Definition: sparse_array.c:81
opj_sparse_array_int32_write
OPJ_BOOL opj_sparse_array_int32_write(opj_sparse_array_int32_t *sa, OPJ_UINT32 x0, OPJ_UINT32 y0, OPJ_UINT32 x1, OPJ_UINT32 y1, const OPJ_INT32 *src, OPJ_UINT32 src_col_stride, OPJ_UINT32 src_line_stride, OPJ_BOOL forgiving)
Write the content of a rectangular region into the sparse array from a user buffer.
Definition: sparse_array.c:330
opj_sparse_array_int32_read
OPJ_BOOL opj_sparse_array_int32_read(const opj_sparse_array_int32_t *sa, OPJ_UINT32 x0, OPJ_UINT32 y0, OPJ_UINT32 x1, OPJ_UINT32 y1, OPJ_INT32 *dest, OPJ_UINT32 dest_col_stride, OPJ_UINT32 dest_line_stride, OPJ_BOOL forgiving)
Read the content of a rectangular region of the sparse array into a user buffer.
Definition: sparse_array.c:311
opj_sparse_array_int32::block_count_ver
OPJ_UINT32 block_count_ver
Definition: sparse_array.c:41
opj_sparse_array_int32_write
OPJ_BOOL opj_sparse_array_int32_write(opj_sparse_array_int32_t *sa, OPJ_UINT32 x0, OPJ_UINT32 y0, OPJ_UINT32 x1, OPJ_UINT32 y1, const OPJ_INT32 *src, OPJ_UINT32 src_col_stride, OPJ_UINT32 src_line_stride, OPJ_BOOL forgiving)
Write the content of a rectangular region into the sparse array from a user buffer.
Definition: sparse_array.c:330
OPJ_UINT32
uint32_t OPJ_UINT32
Definition: openjpeg.h:126
opj_sparse_array_int32_create
opj_sparse_array_int32_t * opj_sparse_array_int32_create(OPJ_UINT32 width, OPJ_UINT32 height, OPJ_UINT32 block_width, OPJ_UINT32 block_height)
Creates a new sparse array.
Definition: sparse_array.c:45
OPJ_FALSE
#define OPJ_FALSE
Definition: openjpeg.h:112
opj_sparse_array_int32_create
opj_sparse_array_int32_t * opj_sparse_array_int32_create(OPJ_UINT32 width, OPJ_UINT32 height, OPJ_UINT32 block_width, OPJ_UINT32 block_height)
Creates a new sparse array.
Definition: sparse_array.c:45
opj_sparse_array_int32::width
OPJ_UINT32 width
Definition: sparse_array.c:36
opj_sparse_array_int32_read_or_write
static OPJ_BOOL opj_sparse_array_int32_read_or_write(const opj_sparse_array_int32_t *sa, OPJ_UINT32 x0, OPJ_UINT32 y0, OPJ_UINT32 x1, OPJ_UINT32 y1, OPJ_INT32 *buf, OPJ_UINT32 buf_col_stride, OPJ_UINT32 buf_line_stride, OPJ_BOOL forgiving, OPJ_BOOL is_read_op)
Definition: sparse_array.c:105