Grok  7.6.6
PPMMarker.h
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1 /*
2  * Copyright (C) 2016-2021 Grok Image Compression Inc.
3  *
4  * This source code is free software: you can redistribute it and/or modify
5  * it under the terms of the GNU Affero General Public License, version 3,
6  * as published by the Free Software Foundation.
7  *
8  * This source code is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  * GNU Affero General Public License for more details.
12  *
13  * You should have received a copy of the GNU Affero General Public License
14  * along with this program. If not, see <http://www.gnu.org/licenses/>.
15  *
16  *
17  * This source code incorporates work covered by the BSD 2-clause license.
18  * Please see the LICENSE file in the root directory for details.
19  *
20  */
21 
22 #pragma once
23 
24 #include <vector>
25 
26 namespace grk {
27 
28 struct grk_ppx {
29  uint8_t *m_data; /* m_data == nullptr => Zppx not read yet */
30  uint32_t m_data_size;
31 };
32 
33 
34 class PPMMarker {
35 public:
36  PPMMarker();
37  ~PPMMarker();
38 
46  bool read(uint8_t *p_header_data, uint16_t header_size);
47 
52  bool merge(void);
53 
54  std::vector<grk_buf> m_tile_packet_headers;
55 
56 private:
57 
59  uint32_t markers_count;
62 
64  uint8_t *buffer;
65 };
66 
67 } /* namespace grk */
68 
Definition: PPMMarker.h:34
grk_ppx * markers
ppm markers data (table indexed by Zppm)
Definition: PPMMarker.h:61
PPMMarker()
Definition: PPMMarker.cpp:27
uint8_t * buffer
packet header storage original buffer
Definition: PPMMarker.h:64
std::vector< grk_buf > m_tile_packet_headers
Definition: PPMMarker.h:54
bool merge(void)
Merges all PPM markers read (Packed headers, main header)
Definition: PPMMarker.cpp:108
uint32_t markers_count
number of ppm markers (reserved size)
Definition: PPMMarker.h:59
~PPMMarker()
Definition: PPMMarker.cpp:32
bool read(uint8_t *p_header_data, uint16_t header_size)
Read a PPM marker (Packed headers, main header)
Definition: PPMMarker.cpp:48
Copyright (C) 2016-2021 Grok Image Compression Inc.
Definition: BitIO.cpp:23
Definition: PPMMarker.h:28
uint32_t m_data_size
Definition: PPMMarker.h:30
uint8_t * m_data
Definition: PPMMarker.h:29