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
|
/*****************************************************************************\
LidilCompress.h : Defnition of LidilCompress class
Copyright (c) 1996 - 2015, HP Co.
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.
3. Neither the name of HP nor the names of its
contributors may be used to endorse or promote products derived
from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR "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 AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
TO, PATENT INFRINGEMENT; 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.
\*****************************************************************************/
#ifndef LIDIL_COMPRESS_H
#define LIDIL_COMPRESS_H
#define ALLOW_FILL_NEXT_CMD 1
#define FILL_0000_CMD 0x1000
#define FILL_FFFF_CMD 0x2000
#define FILL_NEXT_CMD 0x3000
#define FILL_IMAGE_CMD 0x4000
#define FILL_ODD_CMD 0x5000
#define FILL_EVEN_CMD 0x6000
#define MAX_HEADER_FRAME_SIZE 512
#define MAX_DATA_FRAME_SIZE 6048
#define MAX_RUNLENGTH 5
typedef enum
{
IN_NOT,
IN_FIRST,
IN_IMAGE,
IN_COPY
} LDLCOMPMODE;
class LidilCompress
{
public:
LidilCompress (bool bLittleEndian) : m_bLittleEndian(bLittleEndian) {}
~LidilCompress () {}
bool Init(UInt16 *data, UInt16 datasize);
bool GetFrameInfo(BYTE **outdata, UInt16 *datasize);
void CompressData(Int16 compressmode = 1);
UInt16 FlushCopy(UInt16 value);
UInt16 FlushImage();
private:
UInt16 *m_out_ptr;
UInt16 *m_image_ptr; /* image ptr points into the raw data */
UInt16 m_out_cnt;
UInt16 m_image_cnt;
UInt16 m_copy_cnt;
UInt16 m_out_array[2048+16];
UInt16 *m_raw_data;
UInt16 m_run_length; /* minimun run length */
UInt16 m_data_length; /* actual data size in record */
bool m_bLittleEndian;
};
#endif // LIDIL_COMPRESS_H
|