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tiff.h
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/****************************************************************************
* apps/include/graphics/tiff.h
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/* Reference:
* "TIFF, Revision 6.0, Final," June 3, 1992, Adobe Developers Association.
*/
#ifndef __APPS_INCLUDE_GRAPHICS_TIFF_H
#define __APPS_INCLUDE_GRAPHICS_TIFF_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include <nuttx/nx/nxglib.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Configuration ************************************************************/
/* TIFF File Format Definitions *********************************************/
/* Values for the IFD field type */
#define IFD_FIELD_BYTE 1 /* 8-bit unsigned integer */
#define IFD_FIELD_ASCII 2 /* 8-bit byte that contains a 7-bit ASCII code.
* The last byte must be NUL */
#define IFD_FIELD_SHORT 3 /* 16-bit (2-byte) unsigned integer */
#define IFD_FIELD_LONG 4 /* 32-bit (4-byte) unsigned integer */
#define IFD_FIELD_RATIONAL 5 /* Two LONGs: the first represents the
* numerator of a fraction, the second the
* denominator */
#define IFD_FIELD_SBYTE 6 /* An 8-bit signed (twos-complement) integer */
#define IFD_FIELD_UNDEFINED 7 /* An 8-bit byte that may contain anything,
* depending on the definition of the field */
#define IFD_FIELD_SSHORT 8 /* A 16-bit (2-byte) signed (twos-complement)
* integer */
#define IFD_FIELD_SLONG 9 /* A 32-bit (4-byte) signed (twos-complement)
* integer */
#define IFD_FIELD_SRATIONAL 10 /* Two SLONG's: the first represents the
* numerator of a fraction, the second the
* denominator */
#define IFD_FIELD_FLOAT 11 /* Single precision (4-byte) IEEE format */
#define IFD_FIELD_DOUBLE 12 /* Double precision (8-byte) IEEE format */
/* Values for the IFD tag type */
#define IFD_TAG_NEWSUBFILETYPE 254 /* NewSubfileType, LONG */
# define TAG_NEWSUBFILETYPE_REDUCED (1 << 0) /* Bit 0: Reduced resolution version of image */
# define TAG_NEWSUBFILETYPE_SINGLE (1 << 1) /* Bit 1: Single page of a multi-page image */
# define TAG_NEWSUBFILETYPE_TRANSP (1 << 2) /* Bit 2: Defines a transparency mask for image */
#define IFD_TAG_SUBFILETYPE 255 /* SubfileType, SHORT */
# define TAG_SUBFILETYPE_FULL 1 /* Full-resolution image data */
# define TAG_SUBFILETYPE_REDUCED 2 /* Reduced-resolution image data */
# define TAG_SUBFILETYPE_SINGLE 3 /* Single page of a multi-page image */
#define IFD_TAG_IMAGEWIDTH 256 /* ImageLength, SHORT or LONG (Required) */
#define IFD_TAG_IMAGELENGTH 257 /* ImageWidth, SHORT or LONG (Required) */
#define IFD_TAG_BITSPERSAMPLE 258 /* BitsPerSample, SHORT (Required
* in greyscale and palette-color image files) */
#define IFD_TAG_COMPRESSION 259 /* Compression, SHORT (Required) */
# define TAG_COMP_NONE 1 /* No compression */
# define TAG_COMP_CCITT 2 /* CCITT Group 3 1-Dimensional Modified Huffman
* run length encoding */
# define TAG_COMP_T4 3 /* CCITT T.4 bi-level encoding */
# define TAG_COMP_T6 4 /* CCITT T.6 bi-level encoding */
# define TAG_COMP_LZW 5 /* LZW */
# define TAG_COMP_JPEG 6 /* LZW */
# define TAG_COMP_PACKBITS 32773 /* PackBits compression */
#define IFD_TAG_PMI 262 /* PhotometricInterpretation, SHORT (Required) */
# define TAG_PMI_WHITE 0 /* WhiteIsZero */
# define TAG_PMI_BLACK 1 /* BlackIsZero */
# define TAG_PMI_RGB 2 /* RGB */
# define TAG_PMI_PALETTE 3 /* Palette color */
# define TAG_PMI_TRANSP 4 /* Transparency mask */
# define TAG_PMI_CMYK 5 /* CMYK */
# define TAG_PMI_YCbCr 6 /* YCbCr */
# define TAG_PMI_CIELAB 8 /* 1976 CIE L*a*b* */
#define IFD_TAG_THRESHHOLDING 263 /* Threshholding, SHORT */
# define TAG_THRESHHOLD_NONE 1 /* No dithering or halftoning has been applied */
# define TAG_THRESHHOLD_ORDERED 2 /* Ordered dither or halftone technique has been applied */
# define TAG_THRESHHOLD_RANDOM 3 /* Randomized process has been applied */
#define IFD_TAG_CELLWIDTH 264 /* CellWidth, SHORT */
#define IFD_TAG_CELLLENGTH 265 /* CellLength, SHORT */
#define IFD_TAG_FILLORDER 266 /* FillOrder, SHORT */
# define TAG_FILLORDER_HIGH 1 /* Lower column values are stored in the
* higher-order bits */
# define TAG_FILLORDER_LOW 2 /* Lower column values are stored in the
* lower-order bits */
#define IFD_TAG_DOCUMENTNAME 269 /* DocumentName, ASCII */
#define IFD_TAG_IMAGEDESCRIPTION 270 /* ImageDescription, ASCII */
#define IFD_TAG_MAKE 271 /* Make, ASCII */
#define IFD_TAG_MODEL 272 /* Model, ASCII */
#define IFD_TAG_STRIPOFFSETS 273 /* StripOffsets, SHORT or LONG (Required) */
#define IFD_TAG_ORIENTATION 274 /* Orientation, SHORT */
# define TAG_ORIENTATION_TL 1 /* (0,0)=top left */
# define TAG_ORIENTATION_TR 2 /* (0,0)=top right */
# define TAG_ORIENTATION_BR 3 /* (0,0)=bottom right */
# define TAG_ORIENTATION_BL 4 /* (0,0)=bottom left */
# define TAG_ORIENTATION_LT 5 /* (0,0)=left top */
# define TAG_ORIENTATION_RT 6 /* (0,0)=right top */
# define TAG_ORIENTATION_RB 7 /* (0,0)=right bottom */
# define TAG_ORIENTATION_LB 8 /* (0,0)=left bottom */
#define IFD_TAG_SAMPLESPERPIXEL 277 /* SamplesPerPixel, SHORT (Required in
* RGB full color files) */
#define IFD_TAG_ROWSPERSTRIP 278 /* RowsPerStrip, SHORT or LONG (Required) */
#define IFD_TAG_STRIPCOUNTS 279 /* StripByteCounts, SHORT or LONG (Required) */
#define IFD_TAG_MINSAMPLEVALUE 280 /* MinSampleValue, SHORT */
#define IFD_TAG_MAXSAMPLEVALUE 281 /* MaxSampleValue, SHORT */
#define IFD_TAG_XRESOLUTION 282 /* XResolution, RATIONAL (Required) */
#define IFD_TAG_YRESOLUTION 283 /* YResolution, RATIONAL (Required) */
#define IFD_TAG_PLANARCONFIG 284 /* PlanarConfiguration, SHORT */
# define TAG_PLCONFIG_CHUNKY 1 /* Chunky format */
# define TAG_PLCONFIG_PLANAR 2 /* Planar format */
#define IFD_TAG_PAGENAME 285 /* PageName, ASCII */
#define IFD_TAG_XPOSITION 286 /* XPosition, RATIONAL */
#define IFD_TAG_YPOSITION 287 /* YPosition, RATIONAL */
#define IFD_TAG_FREEOFFSETS 288 /* FreeOffsets, LONG */
#define IFD_TAG_FREEBYTECOUNTS 289 /* FreeByteCounts, LONG */
#define IFD_TAG_GRAYRESPONSEUNIT 290 /* GrayResponseUnit, SHORT */
# define TAG_GRAYRESPUNIT_10THS 1 /* Number represents tenths of a unit */
# define TAG_GRAYRESPUNIT_100THS 2 /* Number represents hundredths of a unit */
# define TAG_GRAYRESPUNIT_1KTHS 3 /* Number represents thousandths of a unit */
# define TAG_GRAYRESPUNIT_10KTHS 4 /* Number represents ten-thousandths of a unit */
# define TAG_GRAYRESPUNIT_100KTHS 5 /* Number represents hundred-thousandths of a unit */
#define IFD_TAG_GRAYRESPONSECURVE 291 /* GrayResponseCurve, SHORT */
#define IFD_TAG_T4OPTIONS 292 /* T4Options, LONG */
# define TAG_T4OPTIONS_2D (1 << 0) /* 2-dimensional coding */
# define TAG_T4OPTIONS_NONE (1 << 1) /* Uncompressed mode */
# define TAG_T4OPTIONS_FILL (1 << 2) /* Fill bits have been added */
#define IFD_TAG_T6OPTIONS 293 /* T6Options, LONG */
# define TAG_T6OPTIONS_NONE (1 << 1) /* Uncompressed mode allowed */
#define IFD_TAG_RESUNIT 296 /* ResolutionUnit, SHORT (Required) */
# define TAG_RESUNIT_NONE 1 /* No absolute unit of measurement */
# define TAG_RESUNIT_INCH 2 /* Inch (default) */
# define TAG_RESUNIT_CENTIMETER 3 /* Centimeter */
#define IFD_TAG_PAGENUMBER 297 /* PageNumber, SHORT */
#define IFD_TAG_TRANSFERFUNCTION 301 /* TransferFunction, SHORT */
#define IFD_TAG_SOFTWARE 305 /* Software, ASCII */
#define IFD_TAG_DATETIME 306 /* DateTime, ASCII */
#define IFD_TAG_ARTIST 315 /* Artist, ASCII */
#define IFD_TAG_HOSTCOMPUTER 316 /* HostComputer, ASCII */
#define IFD_TAG_PREDICTOR 317 /* Predictor SHORT */
# define TAG_PREDICTOR_NONE 1 /* No prediction scheme used before coding */
# define TAG_PREDICTOR_HORIZ 2 /* Horizontal differencing */
#define IFD_TAG_WHITEPOINT 318 /* WhitePoint, RATIONAL */
#define IFD_TAG_PRIMARYCHROMA 319 /* PrimaryChromaticities, RATIONAL */
#define IFD_TAG_COLORMAP 320 /* ColorMap, SHORT (Required in palette
* color image files) */
#define IFD_TAG_HALFTONEHINTS 321 /* HalftoneHints, SHORT */
#define IFD_TAG_TILEWIDTH 322 /* TileWidth, SHORT or LONG */
#define IFD_TAG_TILELENGTH 323 /* TileLength, SHORT or LONG */
#define IFD_TAG_TILEOFFSETS 324 /* TileOffsets, LONG */
#define IFD_TAG_TILEBYTECOUNTS 325 /* TileByteCounts, SHORT or LONG */
#define IFD_TAG_INKSET 332 /* InkSet, SHORT */
# define TAG_INKSET_CMYK 1 /* CMYK */
# define TAG_INKSET_OTHER 2 /* Not CMYK */
#define IFD_TAG_INKNAMES 333 /* InkNames, ASCII */
#define IFD_TAG_NUMBEROFINKS 334 /* NumberOfInks, SHORT */
#define IFD_TAG_DOTRANGE 336 /* DotRange, BYTE or SHORT */
#define IFD_TAG_TARGETPRINTER 337 /* TargetPrinter, ASCII */
#define IFD_TAG_EXTRASAMPLES 338 /* ExtraSamples, SHORT */
# define TAG_EXTSAMP_UNSPEC 0 /* Unspecified */
# define TAG_EXTSAMP_ASSOCALPHA 1 /* Associated alpha data */
# define TAG_EXTSAMP_UNASSALPHA 2 /* Unassociated alpha data */
#define IFD_TAG_SAMPLEFORMAT 339 /* SampleFormat, SHORT */
# define TAG_SAMPLEFMT_UNSIGED 1 /* Unsigned integer data */
# define TAG_SAMPLEFMT_SIGNED 2 /* Two's complement signed integer data */
# define TAG_SAMPLEFMT_FLOAT 3 /* IEEE floating point data */
# define TAG_SAMPLEFMT_UNDEFINED 4 /* Undefined data format */
#define IFD_TAG_SMINSAMPLEVALUE 340 /* SMinSampleValue, type matches sample data */
#define IFD_TAG_SMAXSAMPLEVALUE 341 /* SMaxSampleValue, type matches sample data */
#define IFD_TAG_TRANSFERRANGE 342 /* TransferRange, SHORT */
#define IFD_TAG_JPEGPROC 512 /* JPEGProc, SHORT */
#define IFD_TAG_JPEGFMT 513 /* JPEGInterchangeFormat, LONG */
#define IFD_TAG_JPEGLENGTH 514 /* JPEGInterchangeFormatLength, LONG */
#define IFD_TAG_JPEGRESTART 515 /* JPEGRestartInterval, SHORT */
#define IFD_TAG_JPEGLLPREDICTORS 517 /* JPEGLosslessPredictors, SHORT */
#define IFD_TAG_JPEGPOINTXFORMS 518 /* JPEGPointTransforms, SHORT */
#define IFD_TAG_JPEGQTABLES 519 /* JPEGQTables, LONG */
#define IFD_TAG_JPEGDCTABLES 520 /* JPEGDCTables, LONG */
#define IFD_TAG_JPEGACTABLES 521 /* JPEGACTables, LONG */
#define IFD_TAG_YCbCrCOEFFS 529 /* YCbCrCoefficients, RATIONAL */
#define IFD_TAG_YCbCrSUBSAMPLING 530 /* YCbCrSubSampling, SHORT */
#define IFD_TAG_YCbCrPOSITIONING 531 /* YCbCrPositioning, SHORT */
#define IFD_TAG_REFERENCEBW 532 /* ReferenceBlackWhite, RATIONAL */
#define IFD_TAG_COPYRIGHT 33432 /* Copyright, ASCII */
/****************************************************************************
* Public Types
****************************************************************************/
/* TIFF File Format Structure ***********************************************/
/* "A TIFF file begins with an 8-byte image file header that points to an
* image file directory (IFD). An image file directory contains information
* about the image, as well as pointers to the actual image data."
*/
struct tiff_header_s
{
uint8_t order[2]; /* 0-1: Byte order: "II"=little endian, "MM"=big endian */
uint8_t magic[2]; /* 2-3: 42 in appropriate byte order */
uint8_t offset[4]; /* 4-7: Offset to the first IFD */
};
#define SIZEOF_TIFF_HEADER 8
/* "An Image File Directory (IFD) consists of a 2-byte count of the number
* of directory entries (i.e., the number of fields), followed by a sequence
* of 12-byte field entries, followed by a 4-byte offset of the next IFD (or
* 0 if none).
*
* Each 12-byte IFD entry has the following format:
*/
struct tiff_ifdentry_s
{
uint8_t tag[2]; /* 0-1: The Tag that identifies the field */
uint8_t type[2]; /* 2-3 The field Type */
uint8_t count[4]; /* 4-7: The number of values of the indicated type */
uint8_t offset[4]; /* 8-11: The Value Offset (or the value itself) */
};
#define SIZEOF_IFD_ENTRY 12
/****************************************************************************/
/* Structures needed to interface with the TIFF file creation library) and
* also structures used only internally by the TIFF file creation library).
*/
/* This structure describes on strip in tmpfile2 */
struct tiff_strip_s
{
uint32_t offset; /* Offset to the strip data in tmpfile1 */
uint32_t count; /* Count of pixels in the strip */
};
/* This structure is used only internally by the TIFF file creation library
* to manage file offsets.
*/
struct tiff_filefmt_s
{
uint16_t nifdentries; /* Number of IFD entries */
uint16_t soifdoffset; /* Offset to StripOffset IFD entry */
uint16_t sbcifdoffset; /* Offset to StripByteCount IFD entry */
uint16_t valoffset; /* Offset to first values */
uint16_t xresoffset; /* Offset to XResolution values */
uint16_t yresoffset; /* Offset to yResolution values */
uint16_t swoffset; /* Offset to Software string */
uint16_t dateoffset; /* Offset to DateTime string */
uint16_t sbcoffset; /* Offset to StripByteCount values */
};
/* These type is used to hold information about the TIFF file under
* construction
*/
struct tiff_info_s
{
/* The first fields are used to pass information to the TIFF file creation
* logic via tiff_initialize().
*
* Filenames. Three file names are required. (1) path to the final
* output file and (2) two paths to temporary files. One temporary file
* (tmpfile1) will be used to hold the strip image data and the other
* (tmpfile2) will be used to hold strip offset and count information.
*
* colorfmt - Specifies the form of the color data that will be provided
* in the strip data. These are the FB_FMT_* definitions
* provided in include/nuttx/video/fb.h. Only the following
* values are supported:
*
* FB_FMT_Y1 BPP=1, monochrome, 0=black
* FB_FMT_Y4 BPP=4, 4-bit greyscale, 0=black
* FB_FMT_Y8 BPP=8, 8-bit greyscale, 0=black
* FB_FMT_RGB16_565 BPP=16 R=6, G=6, B=5
* FB_FMT_RGB24 BPP=24 R=8, G=8, B=8
*
* rps - TIFF RowsPerStrip
* imgwidth - TIFF ImageWidth, Number of columns in the image
* imgheight - TIFF ImageLength, Number of rows in the image
*/
FAR const char *outfile; /* Full path to the final output file name */
FAR const char *tmpfile1; /* Full path to first temporary file */
FAR const char *tmpfile2; /* Full path to second temporary file */
uint8_t colorfmt; /* See FB_FMT_* definitions in include/nuttx/video/fb.h */
nxgl_coord_t rps; /* TIFF RowsPerStrip */
nxgl_coord_t imgwidth; /* TIFF ImageWidth, Number of columns in the image */
nxgl_coord_t imgheight; /* TIFF ImageLength, Number of rows in the image */
/* The caller must provide an I/O buffer as well. This I/O buffer will
* used for color conversions and as the intermediate buffer for copying
* files. The larger the buffer, the better the performance.
*/
FAR uint8_t *iobuffer; /* IO buffer allocated by the caller */
unsigned int iosize; /* The size of the I/O buffer in bytes */
/* The second set of fields are used only internally by the TIFF file
* creation logic. These fields must be set to zero initially by the
* caller of tiff_initialize(). User logic should not depend upon any
* definitions in the following -- they are subject to change without
* notice. They are only exposed here so that the caller can allocate
* memory for their storage.
*/
uint8_t imgflags; /* Bit-encoded image flags */
nxgl_coord_t nstrips; /* Number of strips in tmpfile3 */
size_t pps; /* Pixels per strip */
size_t bps; /* Bytes per strip */
int outfd; /* outfile file descriptor */
int tmp1fd; /* tmpfile1 file descriptor */
int tmp2fd; /* tmpfile2 file descriptor */
off_t outsize; /* Current size of outfile */
off_t tmp1size; /* Current size of tmpfile1 */
off_t tmp2size; /* Current size of tmpfile2 */
/* Points to an internal constant structure of file offsets */
FAR const struct tiff_filefmt_s *filefmt;
};
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/****************************************************************************
* Name: tiff_initialize
*
* Description:
* Setup to create a new TIFF file. The overall steps to creating a
* TIFF file are as follows:
*
* 1) Create an initialize a struct tiff_info_s instance
* 2) Call tiff_initialize() to setup the file creation
* 3) Call tiff_addstrip() repeatedly to add strips to the graphic image
* 4) Call tiff_finalize() to complete the file creation.
*
* 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);
/****************************************************************************
* Name: tiff_addstrip
*
* Description:
* Add an image data strip. The size of the strip in pixels
* must be equal to the RowsPerStrip x ImageWidth values
* that were provided to tiff_initialize().
*
* Input Parameters:
* info - A pointer to the caller allocated parameter passing/TIFF state
* instance.
* buffer - A buffer containing a single row of data.
*
* Returned Value:
* Zero (OK) on success. A negated errno value on failure.
*
****************************************************************************/
int tiff_addstrip(FAR struct tiff_info_s *info, FAR const uint8_t *strip);
/****************************************************************************
* Name: tiff_finalize
*
* Description:
* Finalize the TIFF output file, completing the TIFF file creation steps.
*
* 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_finalize(FAR struct tiff_info_s *info);
/****************************************************************************
* Name: tiff_abort
*
* Description:
* Abort the TIFF file creation and create-up resources.
*
* Input Parameters:
* info - A pointer to the caller allocated parameter passing/TIFF state
* instance.
*
* Returned Value:
* None
*
****************************************************************************/
void tiff_abort(FAR struct tiff_info_s *info);
/****************************************************************************
* Name: tiff_put/get16/32
*
* Description:
* Put and get 16 and 32 values in the correct byte order at the specified
* position.
*
* Input Parameters:
* dest - The location to store the multi-byte data (put only)
* src - The location to get the multi-byte data (get only)
*
* Returned Value:
* None (put)
* The extracted value (get)
*
****************************************************************************/
void tiff_put16(FAR uint8_t *dest, uint16_t value);
void tiff_put32(FAR uint8_t *dest, uint32_t value);
uint16_t tiff_get16(FAR uint8_t *dest);
uint32_t tiff_get32(FAR uint8_t *dest);
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* __APPS_INCLUDE_GRAPHICS_TIFF_H */