| Index: core/src/fxcodec/fx_tiff/tiff_v403/tif_thunder.c
|
| diff --git a/core/src/fxcodec/fx_tiff/tiff_v403/tif_thunder.c b/core/src/fxcodec/fx_tiff/tiff_v403/tif_thunder.c
|
| deleted file mode 100644
|
| index e2d4ac0439d8db6cd2764779a0c53b9fccbb512d..0000000000000000000000000000000000000000
|
| --- a/core/src/fxcodec/fx_tiff/tiff_v403/tif_thunder.c
|
| +++ /dev/null
|
| @@ -1,208 +0,0 @@
|
| -/* $Id: tif_thunder.c,v 1.12 2011-04-02 20:54:09 bfriesen Exp $ */
|
| -
|
| -/*
|
| - * Copyright (c) 1988-1997 Sam Leffler
|
| - * Copyright (c) 1991-1997 Silicon Graphics, Inc.
|
| - *
|
| - * Permission to use, copy, modify, distribute, and sell this software and
|
| - * its documentation for any purpose is hereby granted without fee, provided
|
| - * that (i) the above copyright notices and this permission notice appear in
|
| - * all copies of the software and related documentation, and (ii) the names of
|
| - * Sam Leffler and Silicon Graphics may not be used in any advertising or
|
| - * publicity relating to the software without the specific, prior written
|
| - * permission of Sam Leffler and Silicon Graphics.
|
| - *
|
| - * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
|
| - * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
|
| - * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
|
| - *
|
| - * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
|
| - * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
|
| - * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
|
| - * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
|
| - * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
|
| - * OF THIS SOFTWARE.
|
| - */
|
| -#include "tiffiop.h"
|
| -#include <assert.h>
|
| -#ifdef THUNDER_SUPPORT
|
| -/*
|
| - * TIFF Library.
|
| - *
|
| - * ThunderScan 4-bit Compression Algorithm Support
|
| - */
|
| -
|
| -/*
|
| - * ThunderScan uses an encoding scheme designed for
|
| - * 4-bit pixel values. Data is encoded in bytes, with
|
| - * each byte split into a 2-bit code word and a 6-bit
|
| - * data value. The encoding gives raw data, runs of
|
| - * pixels, or pixel values encoded as a delta from the
|
| - * previous pixel value. For the latter, either 2-bit
|
| - * or 3-bit delta values are used, with the deltas packed
|
| - * into a single byte.
|
| - */
|
| -#define THUNDER_DATA 0x3f /* mask for 6-bit data */
|
| -#define THUNDER_CODE 0xc0 /* mask for 2-bit code word */
|
| -/* code values */
|
| -#define THUNDER_RUN 0x00 /* run of pixels w/ encoded count */
|
| -#define THUNDER_2BITDELTAS 0x40 /* 3 pixels w/ encoded 2-bit deltas */
|
| -#define DELTA2_SKIP 2 /* skip code for 2-bit deltas */
|
| -#define THUNDER_3BITDELTAS 0x80 /* 2 pixels w/ encoded 3-bit deltas */
|
| -#define DELTA3_SKIP 4 /* skip code for 3-bit deltas */
|
| -#define THUNDER_RAW 0xc0 /* raw data encoded */
|
| -
|
| -static const int twobitdeltas[4] = { 0, 1, 0, -1 };
|
| -static const int threebitdeltas[8] = { 0, 1, 2, 3, 0, -3, -2, -1 };
|
| -
|
| -#define SETPIXEL(op, v) { \
|
| - lastpixel = (v) & 0xf; \
|
| - if ( npixels < maxpixels ) \
|
| - { \
|
| - if (npixels++ & 1) \
|
| - *op++ |= lastpixel; \
|
| - else \
|
| - op[0] = (uint8) (lastpixel << 4); \
|
| - } \
|
| -}
|
| -
|
| -static int
|
| -ThunderSetupDecode(TIFF* tif)
|
| -{
|
| - static const char module[] = "ThunderSetupDecode";
|
| -
|
| - if( tif->tif_dir.td_bitspersample != 4 )
|
| - {
|
| - TIFFErrorExt(tif->tif_clientdata, module,
|
| - "Wrong bitspersample value (%d), Thunder decoder only supports 4bits per sample.",
|
| - (int) tif->tif_dir.td_bitspersample );
|
| - return 0;
|
| - }
|
| -
|
| -
|
| - return (1);
|
| -}
|
| -
|
| -static int
|
| -ThunderDecode(TIFF* tif, uint8* op, tmsize_t maxpixels)
|
| -{
|
| - static const char module[] = "ThunderDecode";
|
| - register unsigned char *bp;
|
| - register tmsize_t cc;
|
| - unsigned int lastpixel;
|
| - tmsize_t npixels;
|
| -
|
| - bp = (unsigned char *)tif->tif_rawcp;
|
| - cc = tif->tif_rawcc;
|
| - lastpixel = 0;
|
| - npixels = 0;
|
| - while (cc > 0 && npixels < maxpixels) {
|
| - int n, delta;
|
| -
|
| - n = *bp++, cc--;
|
| - switch (n & THUNDER_CODE) {
|
| - case THUNDER_RUN: /* pixel run */
|
| - /*
|
| - * Replicate the last pixel n times,
|
| - * where n is the lower-order 6 bits.
|
| - */
|
| - if (npixels & 1) {
|
| - op[0] |= lastpixel;
|
| - lastpixel = *op++; npixels++; n--;
|
| - } else
|
| - lastpixel |= lastpixel << 4;
|
| - npixels += n;
|
| - if (npixels < maxpixels) {
|
| - for (; n > 0; n -= 2)
|
| - *op++ = (uint8) lastpixel;
|
| - }
|
| - if (n == -1)
|
| - *--op &= 0xf0;
|
| - lastpixel &= 0xf;
|
| - break;
|
| - case THUNDER_2BITDELTAS: /* 2-bit deltas */
|
| - if ((delta = ((n >> 4) & 3)) != DELTA2_SKIP)
|
| - SETPIXEL(op, lastpixel + twobitdeltas[delta]);
|
| - if ((delta = ((n >> 2) & 3)) != DELTA2_SKIP)
|
| - SETPIXEL(op, lastpixel + twobitdeltas[delta]);
|
| - if ((delta = (n & 3)) != DELTA2_SKIP)
|
| - SETPIXEL(op, lastpixel + twobitdeltas[delta]);
|
| - break;
|
| - case THUNDER_3BITDELTAS: /* 3-bit deltas */
|
| - if ((delta = ((n >> 3) & 7)) != DELTA3_SKIP)
|
| - SETPIXEL(op, lastpixel + threebitdeltas[delta]);
|
| - if ((delta = (n & 7)) != DELTA3_SKIP)
|
| - SETPIXEL(op, lastpixel + threebitdeltas[delta]);
|
| - break;
|
| - case THUNDER_RAW: /* raw data */
|
| - SETPIXEL(op, n);
|
| - break;
|
| - }
|
| - }
|
| - tif->tif_rawcp = (uint8*) bp;
|
| - tif->tif_rawcc = cc;
|
| - if (npixels != maxpixels) {
|
| -#if defined(__WIN32__) && (defined(_MSC_VER) || defined(__MINGW32__))
|
| - TIFFErrorExt(tif->tif_clientdata, module,
|
| - "%s data at scanline %lu (%I64u != %I64u)",
|
| - npixels < maxpixels ? "Not enough" : "Too much",
|
| - (unsigned long) tif->tif_row,
|
| - (unsigned __int64) npixels,
|
| - (unsigned __int64) maxpixels);
|
| -#else
|
| - TIFFErrorExt(tif->tif_clientdata, module,
|
| - "%s data at scanline %lu (%llu != %llu)",
|
| - npixels < maxpixels ? "Not enough" : "Too much",
|
| - (unsigned long) tif->tif_row,
|
| - (unsigned long long) npixels,
|
| - (unsigned long long) maxpixels);
|
| -#endif
|
| - return (0);
|
| - }
|
| -
|
| - return (1);
|
| -}
|
| -
|
| -static int
|
| -ThunderDecodeRow(TIFF* tif, uint8* buf, tmsize_t occ, uint16 s)
|
| -{
|
| - static const char module[] = "ThunderDecodeRow";
|
| - uint8* row = buf;
|
| -
|
| - (void) s;
|
| - if (occ % tif->tif_scanlinesize)
|
| - {
|
| - TIFFErrorExt(tif->tif_clientdata, module, "Fractional scanlines cannot be read");
|
| - return (0);
|
| - }
|
| - while (occ > 0) {
|
| - if (!ThunderDecode(tif, row, tif->tif_dir.td_imagewidth))
|
| - return (0);
|
| - occ -= tif->tif_scanlinesize;
|
| - row += tif->tif_scanlinesize;
|
| - }
|
| - return (1);
|
| -}
|
| -
|
| -int
|
| -TIFFInitThunderScan(TIFF* tif, int scheme)
|
| -{
|
| - (void) scheme;
|
| -
|
| - tif->tif_setupdecode = ThunderSetupDecode;
|
| - tif->tif_decoderow = ThunderDecodeRow;
|
| - tif->tif_decodestrip = ThunderDecodeRow;
|
| - return (1);
|
| -}
|
| -#endif /* THUNDER_SUPPORT */
|
| -
|
| -/* vim: set ts=8 sts=8 sw=8 noet: */
|
| -/*
|
| - * Local Variables:
|
| - * mode: c
|
| - * c-basic-offset: 8
|
| - * fill-column: 78
|
| - * End:
|
| - */
|
| -
|
| -
|
|
|