chromium/third_party/pdfium/third_party/libopenjpeg/sparse_array.c

/*
 * The copyright in this software is being made available under the 2-clauses
 * BSD License, included below. This software may be subject to other third
 * party and contributor rights, including patent rights, and no such rights
 * are granted under this license.
 *
 * Copyright (c) 2017, IntoPix SA <[email protected]>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include "opj_includes.h"


struct opj_sparse_array_int32 { … };

opj_sparse_array_int32_t* opj_sparse_array_int32_create(OPJ_UINT32 width,
        OPJ_UINT32 height,
        OPJ_UINT32 block_width,
        OPJ_UINT32 block_height)
{ … }

void opj_sparse_array_int32_free(opj_sparse_array_int32_t* sa)
{ … }

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)
{ … }

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)
{ … }

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)
{ … }

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)
{ … }