/****************************************************************************
* apps/graphics/tiff/tiff_initialize.c
*
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* 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 NuttX 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 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <unistd.h>
#include <fcntl.h>
#include <assert.h>
#include <errno.h>
#include <debug.h>
#include <apps/tiff.h>
#include "tiff_internal.h"
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
/* Bi-level Images
*
* Offset Description Contents/Notes
* Header: 0 Byte Order "II" or "MM"
* 2 Magic Number 42
* 4 1st IFD offset 10
* 8 [2 bytes padding]
* IFD: 10 Number of Directory Entries 12
* 12 NewSubfileType
* 24 ImageWidth Number of columns is a user parmeter
* 36 ImageLength Number of rows is a user parameter
* 48 Compression Hard-coded no compression (for now)
* 60 PhotometricInterpretation Value is a user parameter
* 72 StripOffsets Offset and count determined at run time
* 84 RowsPerStrip Value is a user parameter
* 96 StripByteCounts Offset and count determined at run time
* 108 XResolution Value is a user parameter
* 120 YResolution Value is a user parameter
* 132 Resolution Unit Hard-coded to 1
* 144 Software
* 156 DateTime
* 168 Next IFD offset 0
* 170 [2 bytes padding]
* Values:
* 172 XResolution nnnn 1, nnnn is user supplied
* 180 YResolution nnnn 1, nnnn is user supplied
* 188 "NuttX" Length = 6 (includeing NUL terminator)
* 194 "YYYY:MM:DD HH:MM:SS" Length = 20 (ncluding NUL terminator)
* 214 [2 bytes padding]
* 216 StripOffsets Beginning of strip offsets
* xxx StripByteCounts Beginning of strip byte counts
* xxx [Probably padding]
* xxx Data for strips Beginning of strip data
*/
#define TIFF_IFD_OFFSET (SIZEOF_TIFF_HEADER+2)
#define TIFF_BILEV_NIFDENTRIES 12
#define TIFF_BILEV_STRIPIFDOFFS 72
#define TIFF_BILEV_STRIPBCIFDOFFS 96
#define TIFF_BILEV_VALOFFSET 172
#define TIFF_BILEV_XRESOFFSET 172
#define TIFF_BILEV_YRESOFFSET 180
#define TIFF_BILEV_SWOFFSET 188
#define TIFF_BILEV_DATEOFFSET 194
#define TIFF_BILEV_STRIPOFFSET 216
/* Greyscale Images have one additional IFD entry: BitsPerSample (4 or 8)
*
* Header: 0 Byte Order "II" or "MM"
* 2 Magic Number 42
* 4 1st IFD offset 10
* 8 [2 bytes padding]
* IFD: 10 Number of Directory Entries 13
* 12 NewSubfileType
* 24 ImageWidth Number of columns is a user parmeter
* 36 ImageLength Number of rows is a user parameter
* 48 BitsPerSample
* 60 Compression Hard-coded no compression (for now)
* 72 PhotometricInterpretation Value is a user parameter
* 84 StripOffsets Offset and count determined at run time
* 96 RowsPerStrip Value is a user parameter
* 108 StripByteCounts Offset and count determined at run time
* 120 XResolution Value is a user parameter
* 132 YResolution Value is a user parameter
* 144 Resolution Unit Hard-coded to 1
* 156 Software
* 168 DateTime
* 180 Next IFD offset 0
* 182 [2 bytes padding]
* Values:
* 184 XResolution nnnn 1, nnnn is user supplied
* 192 YResolution nnnn 1, nnnn is user supplied
* 200 "NuttX" Length = 6 (includeing NUL terminator)
* 206 "YYYY:MM:DD HH:MM:SS" Length = 20 (ncluding NUL terminator)
* 226 [2 bytes padding]
* 228 StripOffsets Beginning of strip offsets
* xxx StripByteCounts Beginning of strip byte counts
* xxx [Probably padding]
* xxx Data for strips Beginning of strip data
*/
#define TIFF_GREY_NIFDENTRIES 13
#define TIFF_GREY_STRIPIFDOFFS 84
#define TIFF_GREY_STRIPBCIFDOFFS 108
#define TIFF_GREY_VALOFFSET 184
#define TIFF_GREY_XRESOFFSET 184
#define TIFF_GREY_YRESOFFSET 192
#define TIFF_GREY_SWOFFSET 200
#define TIFF_GREY_DATEOFFSET 206
#define TIFF_GREY_STRIPOFFSET 228
/* RGB Images have two additional IFD entries: BitsPerSample (8,8,8) and
* SamplesPerPixel (3):
*
* Header: 0 Byte Order "II" or "MM"
* 2 Magic Number 42
* 4 1st IFD offset 10
* 8 [2 bytes padding]
* IFD: 10 Number of Directory Entries 14
* 12 NewSubfileType
* 24 ImageWidth Number of columns is a user parmeter
* 36 ImageLength Number of rows is a user parameter
* 48 BitsPerSample 8, 8, 8
* 60 Compression Hard-coded no compression (for now)
* 72 PhotometricInterpretation Value is a user parameter
* 84 StripOffsets Offset and count determined at run time
* 96 SamplesPerPixel Hard-coded to 3
* 108 RowsPerStrip Value is a user parameter
* 120 StripByteCounts Offset and count determined at run time
* 132 XResolution Value is a user parameter
* 144 YResolution Value is a user parameter
* 156 Resolution Unit Hard-coded to 1
* 168 Software
* 180 DateTime
* 192 Next IFD offset 0
* 194 [2 bytes padding]
* Values:
* 196 XResolution nnnn 1, nnnn is user supplied
* 204 YResolution nnnn 1, nnnn is user supplied
* 212 BitsPerSample 8, 8, 8
* 218 [2 bytes padding]
* 220 "NuttX" Length = 6 (includeing NUL terminator)
* 226 "YYYY:MM:DD HH:MM:SS" Length = 20 (ncluding NUL terminator)
* 246 [2 bytes padding]
* 248 StripOffsets Beginning of strip offsets
* xxx StripByteCounts Beginning of strip byte counts
* xxx [Probably padding]
* xxx Data for strips Beginning of strip data
*/
#define TIFF_RGB_NIFDENTRIES 13
#define TIFF_RGB_STRIPIFDOFFS 84
#define TIFF_RGB_STRIPBCIFDOFFS 120
#define TIFF_RGB_VALOFFSET 196
#define TIFF_RGB_XRESOFFSET 196
#define TIFF_RGB_YRESOFFSET 204
#define TIFF_RGB_BPSOFFSET 212
#define TIFF_RGB_SWOFFSET 220
#define TIFF_RGB_DATEOFFSET 226
#define TIFF_RGB_STRIPOFFSET 248
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: tiff_putint16
*
* Description:
* Write two bytes to the outfile.
*
* Input Parameters:
* info - A pointer to the caller allocated parameter passing/TIFF state
* instance.
*
* Returned Value:
* Zero (OK) on success. A negated errno value on failure.
*
****************************************************************************/
static int tiff_putint16(FAR struct tiff_info_s *info, uint16_t value)
{
uint8_t bytes[2];
/* Write the two bytes to the output file */
tiff_put16(bytes, value);
return tiff_write(info->outfd, bytes, 2);
}
/****************************************************************************
* Name: tiff_putheader
*
* Description:
* Setup to create a new TIFF file.
*
* Input Parameters:
* info - A pointer to the caller allocated parameter passing/TIFF state
* instance.
*
* Returned Value:
* Zero (OK) on success. A negated errno value on failure.
*
****************************************************************************/
static inline int tiff_putheader(FAR struct tiff_info_s *info)
{
struct tiff_header_s hdr;
int ret;
/* 0-1: Byte order */
#ifdef CONFIG_ENDIAN_BIG
hdr.order[0] = 'M'; /* "MM"=big endian */
hdr.order[1] = 'M';
#else
hdr.order[0] = 'I'; /* "II"=little endian */
hdr.order[1] = 'I';
#endif
/* 2-3: 42 in appropriate byte order */
tiff_put16(hdr.magic, 42);
/* 4-7: Offset to the first IFD */
tiff_put16(hdr.offset, TIFF_IFD_OFFSET);
/* Write the header to the output file */
ret = tiff_write(info->outfd, &hdr, SIZEOF_TIFF_HEADER);
if (ret != OK)
{
return ret;
}
/* Two pad bytes following the header */
ret = tiff_putint16(info, 0);
return ret;
}
/****************************************************************************
* Name: tiff_putifdentry
*
* Description:
* Variouis IFD entry writing routines
*
* Input Parameters:
* info - A pointer to the caller allocated parameter passing/TIFF state
* instance.
*
* Returned Value:
* Zero (OK) on success. A negated errno value on failure.
*
****************************************************************************/
static int tiff_putifdentry(FAR struct tiff_info_s *info, uint16_t tag,
uint16_t type, uint32_t count, uint32_t offset)
{
struct tiff_ifdentry_s ifd;
tiff_put16(ifd.tag, tag);
tiff_put16(ifd.type, type);
tiff_put32(ifd.count, count);
tiff_put32(ifd.offset, offset);
return tiff_write(info->outfd, &ifd, SIZEOF_IFD_ENTRY);
}
static int tiff_putifdentry16(FAR struct tiff_info_s *info, uint16_t tag,
uint16_t type, uint32_t count, uint16_t value)
{
union
{
uint8_t b[4];
uint32_t w;
} u;
u.w = 0;
tiff_put16(u.b, value);
return tiff_putifdentry(info, tag, count, type, u.w);
}
/****************************************************************************
* Name: tiff_*
*
* Description:
* Variouis IFD entry writing routines
*
* Input Parameters:
* info - A pointer to the caller allocated parameter passing/TIFF state
* instance.
*
* Returned Value:
* Zero (OK) on success. A negated errno value on failure.
*
****************************************************************************/
static int tiff_newsubfiletype(FAR struct tiff_info_s *info)
{
return tiff_putifdentry16(info, IFD_TAG_NEWSUBFILETYPE, IFD_FIELD_LONG, 1, 0);
}
static int tiff_imagewidth(FAR struct tiff_info_s *info)
{
return tiff_putifdentry16(info, IFD_TAG_IMAGEWIDTH, IFD_FIELD_SHORT, 1, info->imgwidth);
}
static int tiff_imagelength(FAR struct tiff_info_s *info)
{
return tiff_putifdentry16(info, IFD_TAG_IMAGELENGTH, IFD_FIELD_SHORT, 1, info->imgheight);
}
static int tiff_greybitspersample(FAR struct tiff_info_s *info)
{
return tiff_putifdentry16(info, IFD_TAG_BITSPERSAMPLE, IFD_FIELD_SHORT, 1, info->bps);
}
static int tiff_rgbbitspersample(FAR struct tiff_info_s *info)
{
return tiff_putifdentry(info, IFD_TAG_BITSPERSAMPLE, IFD_FIELD_SHORT, 3, TIFF_RGB_BPSOFFSET);
}
static int tiff_compression(FAR struct tiff_info_s *info)
{
return tiff_putifdentry16(info, IFD_TAG_COMPRESSION, IFD_FIELD_SHORT, 1, TAG_COMP_NONE);
}
static int tiff_photointerp(FAR struct tiff_info_s *info)
{
return tiff_putifdentry16(info, IFD_TAG_PMI, IFD_FIELD_SHORT, 1, info->pmi);
}
static int tiff_stripoffsets(FAR struct tiff_info_s *info, uint32_t count, uint32_t offset)
{
return tiff_putifdentry(info, IFD_TAG_STRIPOFFSETS, IFD_FIELD_LONG, count, offset);
}
static int tiff_samplesperpixel(FAR struct tiff_info_s *info)
{
return tiff_putifdentry16(info, IFD_TAG_SAMPLESPERPIXEL, IFD_FIELD_SHORT, 1, 3);
}
static int tiff_rowsperstrip(FAR struct tiff_info_s *info)
{
return tiff_putifdentry16(info, IFD_TAG_ROWSPERSTRIP, IFD_FIELD_SHORT, 1, info->rps);
}
static int tiff_stripbytecounts(FAR struct tiff_info_s *info, uint32_t count, uint32_t offset)
{
return tiff_putifdentry(info, IFD_TAG_STRIPCOUNTS, IFD_FIELD_LONG, count, offset);
}
static int tiff_xresolution(FAR struct tiff_info_s *info)
{
# warning "Missing logic"
return -ENOSYS;
}
static int tiff_yresolution(FAR struct tiff_info_s *info)
{
# warning "Missing logic"
return -ENOSYS;
}
static int tiff_resolutionunit(FAR struct tiff_info_s *info)
{
# warning "Missing logic"
return -ENOSYS;
}
static int tiff_software(FAR struct tiff_info_s *info)
{
# warning "Missing logic"
return -ENOSYS;
}
static int tiff_datetime(FAR struct tiff_info_s *info)
{
# warning "Missing logic"
return -ENOSYS;
}
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: tiff_initialize
*
* Description:
* Setup to create a new TIFF file.
*
* Input Parameters:
* info - A pointer to the caller allocated parameter passing/TIFF state instance.
*
* Returned Value:
* Zero (OK) on success. A negated errno value on failure.
*
****************************************************************************/
int tiff_initialize(FAR struct tiff_info_s *info)
{
int ret = -EINVAL;
DEBUGASSERT(info && info->outfile && info->tmpfile1 && info->tmpfile2);
/* Open all output files */
info->outfd = open(info->outfile, O_WRONLY|O_CREAT|O_TRUNC, 0666);
if (info->outfd < 0)
{
gdbg("Failed to open %s for writing: %d\n", info->outfile, errno);
goto errout;
}
info->tmp1fd = open(info->tmpfile1, O_WRONLY|O_CREAT|O_TRUNC, 0666);
if (info->tmp1fd < 0)
{
gdbg("Failed to open %s for writing: %d\n", info->tmpfile1, errno);
goto errout_with_outfd;
}
info->tmp2fd = open(info->tmpfile1, O_WRONLY|O_CREAT|O_TRUNC, 0666);
if (info->tmp2fd < 0)
{
gdbg("Failed to open %s for writing: %d\n", info->tmpfile1, errno);
goto errout_with_tmp1fd;
}
/* Write the TIFF header data to the outfile */
ret = tiff_putheader(info);
if (ret < 0)
{
goto errout_with_tmp2fd;
}
/* Write the IFD data to the outfile */
#warning "Missing Logic"
return OK;
errout_with_tmp2fd:
(void)close(info->tmp2fd);
info->tmp2fd = -1;
errout_with_tmp1fd:
(void)close(info->tmp1fd);
info->tmp1fd = -1;
errout_with_outfd:
(void)close(info->outfd);
info->outfd = -1;
errout:
return ret;
}
