632 lines
18 KiB
C
632 lines
18 KiB
C
/*
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* Copyright (c) 1991-1997 Sam Leffler
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* Copyright (c) 1991-1997 Silicon Graphics, Inc.
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*
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* Permission to use, copy, modify, distribute, and sell this software and
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* its documentation for any purpose is hereby granted without fee, provided
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* that (i) the above copyright notices and this permission notice appear in
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* all copies of the software and related documentation, and (ii) the names of
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* Sam Leffler and Silicon Graphics may not be used in any advertising or
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* publicity relating to the software without the specific, prior written
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* permission of Sam Leffler and Silicon Graphics.
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*
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* THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
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* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
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*
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* IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
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* ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
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* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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* WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
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* LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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#include "libport.h"
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#include "tif_config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include "tiffio.h"
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#include "tiffiop.h"
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#ifndef EXIT_SUCCESS
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#define EXIT_SUCCESS 0
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#endif
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#ifndef EXIT_FAILURE
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#define EXIT_FAILURE 1
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#endif
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#define streq(a, b) (strcmp(a, b) == 0)
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#define CopyField(tag, v) \
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if (TIFFGetField(in, tag, &v)) \
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TIFFSetField(out, tag, v)
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#ifndef howmany
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#define howmany(x, y) (((x) + ((y)-1)) / (y))
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#endif
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#define roundup(x, y) (howmany(x, y) * ((uint32_t)(y)))
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static uint16_t compression = COMPRESSION_PACKBITS;
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static uint32_t rowsperstrip = (uint32_t)-1;
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static int process_by_block = 0; /* default is whole image at once */
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static int no_alpha = 0;
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static int bigtiff_output = 0;
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#define DEFAULT_MAX_MALLOC (256 * 1024 * 1024)
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/* malloc size limit (in bytes)
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* disabled when set to 0 */
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static tmsize_t maxMalloc = DEFAULT_MAX_MALLOC;
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static int tiffcvt(TIFF *in, TIFF *out);
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static void usage(int code);
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int main(int argc, char *argv[])
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{
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TIFF *in, *out;
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int c;
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#if !HAVE_DECL_OPTARG
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extern int optind;
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extern char *optarg;
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#endif
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while ((c = getopt(argc, argv, "c:r:t:bn8hM:")) != -1)
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switch (c)
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{
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case 'M':
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maxMalloc = (tmsize_t)strtoul(optarg, NULL, 0) << 20;
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break;
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case 'b':
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process_by_block = 1;
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break;
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case 'c':
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if (streq(optarg, "none"))
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compression = COMPRESSION_NONE;
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else if (streq(optarg, "packbits"))
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compression = COMPRESSION_PACKBITS;
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else if (streq(optarg, "lzw"))
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compression = COMPRESSION_LZW;
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else if (streq(optarg, "jpeg"))
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compression = COMPRESSION_JPEG;
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else if (streq(optarg, "zip"))
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compression = COMPRESSION_ADOBE_DEFLATE;
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else
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usage(EXIT_FAILURE);
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break;
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case 'r':
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rowsperstrip = atoi(optarg);
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break;
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case 't':
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rowsperstrip = atoi(optarg);
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break;
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case 'n':
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no_alpha = 1;
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break;
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case '8':
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bigtiff_output = 1;
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break;
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case 'h':
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usage(EXIT_SUCCESS);
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/*NOTREACHED*/
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break;
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case '?':
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usage(EXIT_FAILURE);
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/*NOTREACHED*/
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break;
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}
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if (argc - optind < 2)
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usage(EXIT_FAILURE);
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TIFFOpenOptions *opts = TIFFOpenOptionsAlloc();
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if (opts == NULL)
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{
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return EXIT_FAILURE;
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}
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TIFFOpenOptionsSetMaxSingleMemAlloc(opts, maxMalloc);
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out = TIFFOpenExt(argv[argc - 1], bigtiff_output ? "w8" : "w", opts);
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if (out == NULL)
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{
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TIFFOpenOptionsFree(opts);
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return (EXIT_FAILURE);
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}
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for (; optind < argc - 1; optind++)
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{
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in = TIFFOpenExt(argv[optind], "r", opts);
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if (in != NULL)
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{
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do
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{
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if (!tiffcvt(in, out) || !TIFFWriteDirectory(out))
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{
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(void)TIFFClose(out);
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(void)TIFFClose(in);
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TIFFOpenOptionsFree(opts);
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return (1);
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}
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} while (TIFFReadDirectory(in));
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(void)TIFFClose(in);
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}
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}
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TIFFOpenOptionsFree(opts);
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(void)TIFFClose(out);
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return (EXIT_SUCCESS);
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}
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static int cvt_by_tile(TIFF *in, TIFF *out)
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{
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uint32_t *raster; /* retrieve RGBA image */
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uint32_t width, height; /* image width & height */
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uint32_t tile_width, tile_height;
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uint32_t row, col;
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uint32_t *wrk_line;
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int ok = 1;
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uint32_t rastersize, wrk_linesize;
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TIFFGetField(in, TIFFTAG_IMAGEWIDTH, &width);
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TIFFGetField(in, TIFFTAG_IMAGELENGTH, &height);
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if (!TIFFGetField(in, TIFFTAG_TILEWIDTH, &tile_width) ||
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!TIFFGetField(in, TIFFTAG_TILELENGTH, &tile_height))
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{
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TIFFError(TIFFFileName(in), "Source image not tiled");
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return (0);
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}
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TIFFSetField(out, TIFFTAG_TILEWIDTH, tile_width);
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TIFFSetField(out, TIFFTAG_TILELENGTH, tile_height);
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/*
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* Allocate tile buffer
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*/
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rastersize = tile_width * tile_height * sizeof(uint32_t);
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if (tile_width != (rastersize / tile_height) / sizeof(uint32_t))
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{
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TIFFError(TIFFFileName(in),
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"Integer overflow when calculating raster buffer");
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exit(EXIT_FAILURE);
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}
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raster = (uint32_t *)_TIFFmalloc(rastersize);
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if (raster == 0)
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{
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TIFFError(TIFFFileName(in), "No space for raster buffer");
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return (0);
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}
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/*
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* Allocate a scanline buffer for swapping during the vertical
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* mirroring pass.
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*/
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wrk_linesize = tile_width * sizeof(uint32_t);
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if (tile_width != wrk_linesize / sizeof(uint32_t))
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{
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TIFFError(TIFFFileName(in),
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"Integer overflow when calculating wrk_line buffer");
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exit(EXIT_FAILURE);
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}
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wrk_line = (uint32_t *)_TIFFmalloc(wrk_linesize);
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if (!wrk_line)
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{
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TIFFError(TIFFFileName(in), "No space for raster scanline buffer");
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ok = 0;
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}
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/*
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* Loop over the tiles.
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*/
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for (row = 0; ok && row < height; row += tile_height)
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{
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for (col = 0; ok && col < width; col += tile_width)
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{
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uint32_t i_row;
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/* Read the tile into an RGBA array */
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if (!TIFFReadRGBATile(in, col, row, raster))
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{
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ok = 0;
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break;
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}
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/*
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* XXX: raster array has 4-byte unsigned integer type, that is why
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* we should rearrange it here.
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*/
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#if HOST_BIGENDIAN
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TIFFSwabArrayOfLong(raster, tile_width * tile_height);
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#endif
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/*
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* For some reason the TIFFReadRGBATile() function chooses the
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* lower left corner as the origin. Vertically mirror scanlines.
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*/
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for (i_row = 0; i_row < tile_height / 2; i_row++)
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{
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uint32_t *top_line, *bottom_line;
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top_line = raster + tile_width * i_row;
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bottom_line = raster + tile_width * (tile_height - i_row - 1);
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_TIFFmemcpy(wrk_line, top_line, 4 * tile_width);
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_TIFFmemcpy(top_line, bottom_line, 4 * tile_width);
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_TIFFmemcpy(bottom_line, wrk_line, 4 * tile_width);
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}
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/*
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* Write out the result in a tile.
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*/
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if (TIFFWriteEncodedTile(out, TIFFComputeTile(out, col, row, 0, 0),
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raster,
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4 * tile_width * tile_height) == -1)
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{
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ok = 0;
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break;
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}
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}
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}
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_TIFFfree(raster);
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_TIFFfree(wrk_line);
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return ok;
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}
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static int cvt_by_strip(TIFF *in, TIFF *out)
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{
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uint32_t *raster; /* retrieve RGBA image */
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uint32_t width, height; /* image width & height */
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uint32_t row;
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uint32_t *wrk_line;
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int ok = 1;
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uint32_t rastersize, wrk_linesize;
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TIFFGetField(in, TIFFTAG_IMAGEWIDTH, &width);
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TIFFGetField(in, TIFFTAG_IMAGELENGTH, &height);
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if (!TIFFGetField(in, TIFFTAG_ROWSPERSTRIP, &rowsperstrip))
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{
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TIFFError(TIFFFileName(in), "Source image not in strips");
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return (0);
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}
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TIFFSetField(out, TIFFTAG_ROWSPERSTRIP, rowsperstrip);
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/*
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* Allocate strip buffer
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*/
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rastersize = width * rowsperstrip * sizeof(uint32_t);
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if (width != (rastersize / rowsperstrip) / sizeof(uint32_t))
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{
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TIFFError(TIFFFileName(in),
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"Integer overflow when calculating raster buffer");
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exit(EXIT_FAILURE);
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}
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raster = (uint32_t *)_TIFFmalloc(rastersize);
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if (raster == 0)
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{
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TIFFError(TIFFFileName(in), "No space for raster buffer");
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return (0);
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}
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/*
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* Allocate a scanline buffer for swapping during the vertical
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* mirroring pass.
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*/
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wrk_linesize = width * sizeof(uint32_t);
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if (width != wrk_linesize / sizeof(uint32_t))
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{
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TIFFError(TIFFFileName(in),
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"Integer overflow when calculating wrk_line buffer");
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exit(EXIT_FAILURE);
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}
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wrk_line = (uint32_t *)_TIFFmalloc(wrk_linesize);
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if (!wrk_line)
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{
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TIFFError(TIFFFileName(in), "No space for raster scanline buffer");
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ok = 0;
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}
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/*
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* Loop over the strips.
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*/
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for (row = 0; ok && row < height; row += rowsperstrip)
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{
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int rows_to_write, i_row;
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/* Read the strip into an RGBA array */
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if (!TIFFReadRGBAStrip(in, row, raster))
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{
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ok = 0;
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break;
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}
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/*
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* XXX: raster array has 4-byte unsigned integer type, that is why
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* we should rearrange it here.
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*/
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#if HOST_BIGENDIAN
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TIFFSwabArrayOfLong(raster, width * rowsperstrip);
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#endif
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/*
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* Figure out the number of scanlines actually in this strip.
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*/
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if (row + rowsperstrip > height)
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rows_to_write = height - row;
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else
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rows_to_write = rowsperstrip;
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/*
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* For some reason the TIFFReadRGBAStrip() function chooses the
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* lower left corner as the origin. Vertically mirror scanlines.
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*/
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for (i_row = 0; i_row < rows_to_write / 2; i_row++)
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{
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uint32_t *top_line, *bottom_line;
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top_line = raster + width * i_row;
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bottom_line = raster + width * (rows_to_write - i_row - 1);
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_TIFFmemcpy(wrk_line, top_line, 4 * width);
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_TIFFmemcpy(top_line, bottom_line, 4 * width);
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_TIFFmemcpy(bottom_line, wrk_line, 4 * width);
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}
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/*
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* Write out the result in a strip
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*/
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if (TIFFWriteEncodedStrip(out, row / rowsperstrip, raster,
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4 * rows_to_write * width) == -1)
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{
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ok = 0;
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break;
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}
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}
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_TIFFfree(raster);
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_TIFFfree(wrk_line);
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return ok;
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}
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/*
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* cvt_whole_image()
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*
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* read the whole image into one big RGBA buffer and then write out
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* strips from that. This is using the traditional TIFFReadRGBAImage()
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* API that we trust.
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*/
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static int cvt_whole_image(TIFF *in, TIFF *out)
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{
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uint32_t *raster; /* retrieve RGBA image */
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uint32_t width, height; /* image width & height */
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uint32_t row;
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size_t pixel_count;
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TIFFGetField(in, TIFFTAG_IMAGEWIDTH, &width);
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TIFFGetField(in, TIFFTAG_IMAGELENGTH, &height);
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pixel_count = width * height;
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/* XXX: Check the integer overflow. */
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if (!width || !height || pixel_count / width != height)
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{
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TIFFError(
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TIFFFileName(in),
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"Malformed input file; can't allocate buffer for raster of %" PRIu32
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"x%" PRIu32 " size",
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width, height);
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return 0;
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}
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if (maxMalloc != 0 &&
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(tmsize_t)pixel_count * (tmsize_t)sizeof(uint32_t) > maxMalloc)
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{
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TIFFError(TIFFFileName(in),
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"Raster size %" TIFF_SIZE_FORMAT
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" over memory limit (%" TIFF_SSIZE_FORMAT "), try -b option.",
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pixel_count * sizeof(uint32_t), maxMalloc);
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return 0;
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}
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rowsperstrip = TIFFDefaultStripSize(out, rowsperstrip);
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TIFFSetField(out, TIFFTAG_ROWSPERSTRIP, rowsperstrip);
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raster = (uint32_t *)_TIFFCheckMalloc(in, pixel_count, sizeof(uint32_t),
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"raster buffer");
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if (raster == 0)
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{
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TIFFError(TIFFFileName(in),
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"Failed to allocate buffer (%" TIFF_SIZE_FORMAT
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" elements of %" TIFF_SIZE_FORMAT " each)",
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pixel_count, sizeof(uint32_t));
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return (0);
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}
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/* Read the image in one chunk into an RGBA array */
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if (!TIFFReadRGBAImageOriented(in, width, height, raster,
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ORIENTATION_TOPLEFT, 0))
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{
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_TIFFfree(raster);
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return (0);
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}
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/*
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* XXX: raster array has 4-byte unsigned integer type, that is why
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* we should rearrange it here.
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*/
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#if HOST_BIGENDIAN
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TIFFSwabArrayOfLong(raster, width * height);
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#endif
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/*
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* Do we want to strip away alpha components?
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*/
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if (no_alpha)
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{
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size_t count = pixel_count;
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unsigned char *src, *dst;
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src = dst = (unsigned char *)raster;
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while (count > 0)
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{
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*(dst++) = *(src++);
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*(dst++) = *(src++);
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*(dst++) = *(src++);
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src++;
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count--;
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}
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}
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/*
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* Write out the result in strips
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*/
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for (row = 0; row < height; row += rowsperstrip)
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{
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unsigned char *raster_strip;
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int rows_to_write;
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int bytes_per_pixel;
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if (no_alpha)
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{
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raster_strip = ((unsigned char *)raster) + 3 * row * width;
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bytes_per_pixel = 3;
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}
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else
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{
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raster_strip = (unsigned char *)(raster + row * width);
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bytes_per_pixel = 4;
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}
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if (row + rowsperstrip > height)
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rows_to_write = height - row;
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else
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rows_to_write = rowsperstrip;
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if (TIFFWriteEncodedStrip(out, row / rowsperstrip, raster_strip,
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bytes_per_pixel * rows_to_write * width) ==
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-1)
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{
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_TIFFfree(raster);
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return 0;
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}
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}
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_TIFFfree(raster);
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return 1;
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}
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static int tiffcvt(TIFF *in, TIFF *out)
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{
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uint32_t width, height; /* image width & height */
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uint16_t shortv;
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float floatv;
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char *stringv;
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uint32_t longv;
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uint16_t v[1];
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TIFFGetField(in, TIFFTAG_IMAGEWIDTH, &width);
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TIFFGetField(in, TIFFTAG_IMAGELENGTH, &height);
|
|
|
|
CopyField(TIFFTAG_SUBFILETYPE, longv);
|
|
TIFFSetField(out, TIFFTAG_IMAGEWIDTH, width);
|
|
TIFFSetField(out, TIFFTAG_IMAGELENGTH, height);
|
|
TIFFSetField(out, TIFFTAG_BITSPERSAMPLE, 8);
|
|
TIFFSetField(out, TIFFTAG_COMPRESSION, compression);
|
|
TIFFSetField(out, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB);
|
|
|
|
CopyField(TIFFTAG_FILLORDER, shortv);
|
|
TIFFSetField(out, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
|
|
|
|
if (no_alpha)
|
|
TIFFSetField(out, TIFFTAG_SAMPLESPERPIXEL, 3);
|
|
else
|
|
TIFFSetField(out, TIFFTAG_SAMPLESPERPIXEL, 4);
|
|
|
|
if (!no_alpha)
|
|
{
|
|
v[0] = EXTRASAMPLE_ASSOCALPHA;
|
|
TIFFSetField(out, TIFFTAG_EXTRASAMPLES, 1, v);
|
|
}
|
|
|
|
CopyField(TIFFTAG_XRESOLUTION, floatv);
|
|
CopyField(TIFFTAG_YRESOLUTION, floatv);
|
|
CopyField(TIFFTAG_RESOLUTIONUNIT, shortv);
|
|
TIFFSetField(out, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
|
|
TIFFSetField(out, TIFFTAG_SOFTWARE, TIFFGetVersion());
|
|
CopyField(TIFFTAG_DOCUMENTNAME, stringv);
|
|
|
|
if (maxMalloc != 0 && TIFFStripSize(in) > maxMalloc)
|
|
{
|
|
TIFFError(TIFFFileName(in),
|
|
"Strip Size %" TIFF_SSIZE_FORMAT
|
|
" over memory limit (%" TIFF_SSIZE_FORMAT ")",
|
|
TIFFStripSize(in), maxMalloc);
|
|
return 0;
|
|
}
|
|
if (process_by_block && TIFFIsTiled(in))
|
|
return (cvt_by_tile(in, out));
|
|
else if (process_by_block)
|
|
return (cvt_by_strip(in, out));
|
|
else
|
|
return (cvt_whole_image(in, out));
|
|
}
|
|
|
|
static const char usage_info[] =
|
|
/* Help information format modified for the sake of consistency with the
|
|
other tiff tools */
|
|
/* "usage: tiff2rgba [-c comp] [-r rows] [-b] [-n] [-8] [-M size]
|
|
input... output" */
|
|
/* "where comp is one of the following compression algorithms:" */
|
|
"Convert a TIFF image to RGBA color space\n\n"
|
|
"usage: tiff2rgba [options] input output\n"
|
|
"where options are:\n"
|
|
#ifdef JPEG_SUPPORT
|
|
" -c jpeg JPEG encoding\n"
|
|
#endif
|
|
#ifdef ZIP_SUPPORT
|
|
" -c zip Zip/Deflate encoding\n"
|
|
#endif
|
|
#ifdef LZW_SUPPORT
|
|
" -c lzw Lempel-Ziv & Welch encoding\n"
|
|
#endif
|
|
#ifdef PACKBITS_SUPPORT
|
|
" -c packbits PackBits encoding\n"
|
|
#endif
|
|
#if defined(JPEG_SUPPORT) || defined(ZIP_SUPPORT) || defined(LZW_SUPPORT) || \
|
|
defined(PACKBITS_SUPPORT)
|
|
" -c none no compression\n"
|
|
#endif
|
|
"\n"
|
|
/* "and the other options are:\n" */
|
|
" -r rows/strip\n"
|
|
" -b (progress by block rather than as a whole image)\n"
|
|
" -n don't emit alpha component.\n"
|
|
" -8 write BigTIFF file instead of ClassicTIFF\n"
|
|
" -M set the memory allocation limit in MiB. 0 to disable limit\n";
|
|
|
|
static void usage(int code)
|
|
{
|
|
FILE *out = (code == EXIT_SUCCESS) ? stdout : stderr;
|
|
|
|
fprintf(out, "%s\n\n", TIFFGetVersion());
|
|
fprintf(out, "%s", usage_info);
|
|
exit(code);
|
|
}
|