-/* $Id: tif_fax3.c,v 1.43.2.10 2010-06-09 17:16:58 bfriesen Exp $ */
+/* $Id: tif_fax3.c,v 1.74 2012-06-21 02:01:31 fwarmerdam Exp $ */
/*
* Copyright (c) 1990-1997 Sam Leffler
* derived from this ``base state'' block.
*/
typedef struct {
- int rw_mode; /* O_RDONLY for decode, else encode */
- int mode; /* operating mode */
- uint32 rowbytes; /* bytes in a decoded scanline */
- uint32 rowpixels; /* pixels in a scanline */
-
- uint16 cleanfaxdata; /* CleanFaxData tag */
- uint32 badfaxrun; /* BadFaxRun tag */
- uint32 badfaxlines; /* BadFaxLines tag */
- uint32 groupoptions; /* Group 3/4 options tag */
- uint32 recvparams; /* encoded Class 2 session params */
- char* subaddress; /* subaddress string */
- uint32 recvtime; /* time spent receiving (secs) */
- char* faxdcs; /* Table 2/T.30 encoded session params */
- TIFFVGetMethod vgetparent; /* super-class method */
- TIFFVSetMethod vsetparent; /* super-class method */
- TIFFPrintMethod printdir; /* super-class method */
+ int rw_mode; /* O_RDONLY for decode, else encode */
+ int mode; /* operating mode */
+ tmsize_t rowbytes; /* bytes in a decoded scanline */
+ uint32 rowpixels; /* pixels in a scanline */
+
+ uint16 cleanfaxdata; /* CleanFaxData tag */
+ uint32 badfaxrun; /* BadFaxRun tag */
+ uint32 badfaxlines; /* BadFaxLines tag */
+ uint32 groupoptions; /* Group 3/4 options tag */
+
+ TIFFVGetMethod vgetparent; /* super-class method */
+ TIFFVSetMethod vsetparent; /* super-class method */
+ TIFFPrintMethod printdir; /* super-class method */
} Fax3BaseState;
#define Fax3State(tif) ((Fax3BaseState*) (tif)->tif_data)
int line;
} Fax3CodecState;
-#define DecoderState(tif) ((Fax3CodecState*) Fax3State(tif))
-#define EncoderState(tif) ((Fax3CodecState*) Fax3State(tif))
+#define DecoderState(tif) ((Fax3CodecState*) Fax3State(tif))
+#define EncoderState(tif) ((Fax3CodecState*) Fax3State(tif))
-#define is2DEncoding(sp) \
- (sp->b.groupoptions & GROUP3OPT_2DENCODING)
-#define isAligned(p,t) ((((unsigned long)(p)) & (sizeof (t)-1)) == 0)
+#define is2DEncoding(sp) (sp->b.groupoptions & GROUP3OPT_2DENCODING)
+#define isAligned(p,t) ((((size_t)(p)) & (sizeof (t)-1)) == 0)
/*
* Group 3 and Group 4 Decoding.
sp->bit = BitsAvail; \
sp->data = BitAcc; \
sp->EOLcnt = EOLcnt; \
- tif->tif_rawcc -= (tidata_t) cp - tif->tif_rawcp; \
- tif->tif_rawcp = (tidata_t) cp; \
+ tif->tif_rawcc -= (tmsize_t)((uint8*) cp - tif->tif_rawcp); \
+ tif->tif_rawcp = (uint8*) cp; \
} while (0)
/*
* Setup state for decoding a strip.
*/
static int
-Fax3PreDecode(TIFF* tif, tsample_t s)
+Fax3PreDecode(TIFF* tif, uint16 s)
{
Fax3CodecState* sp = DecoderState(tif);
static void
Fax3Unexpected(const char* module, TIFF* tif, uint32 line, uint32 a0)
{
- TIFFErrorExt(tif->tif_clientdata, module, "%s: Bad code word at line %u of %s %u (x %u)",
- tif->tif_name, line, isTiled(tif) ? "tile" : "strip",
- (isTiled(tif) ? tif->tif_curtile : tif->tif_curstrip),
- a0);
+ TIFFErrorExt(tif->tif_clientdata, module, "Bad code word at line %u of %s %u (x %u)",
+ line, isTiled(tif) ? "tile" : "strip",
+ (isTiled(tif) ? tif->tif_curtile : tif->tif_curstrip),
+ a0);
}
#define unexpected(table, a0) Fax3Unexpected(module, tif, sp->line, a0)
Fax3Extension(const char* module, TIFF* tif, uint32 line, uint32 a0)
{
TIFFErrorExt(tif->tif_clientdata, module,
- "%s: Uncompressed data (not supported) at line %u of %s %u (x %u)",
- tif->tif_name, line, isTiled(tif) ? "tile" : "strip",
- (isTiled(tif) ? tif->tif_curtile : tif->tif_curstrip),
- a0);
+ "Uncompressed data (not supported) at line %u of %s %u (x %u)",
+ line, isTiled(tif) ? "tile" : "strip",
+ (isTiled(tif) ? tif->tif_curtile : tif->tif_curstrip),
+ a0);
}
#define extension(a0) Fax3Extension(module, tif, sp->line, a0)
static void
Fax3BadLength(const char* module, TIFF* tif, uint32 line, uint32 a0, uint32 lastx)
{
- TIFFWarningExt(tif->tif_clientdata, module, "%s: %s at line %u of %s %u (got %u, expected %u)",
- tif->tif_name,
- a0 < lastx ? "Premature EOL" : "Line length mismatch",
- line, isTiled(tif) ? "tile" : "strip",
- (isTiled(tif) ? tif->tif_curtile : tif->tif_curstrip),
- a0, lastx);
+ TIFFWarningExt(tif->tif_clientdata, module, "%s at line %u of %s %u (got %u, expected %u)",
+ a0 < lastx ? "Premature EOL" : "Line length mismatch",
+ line, isTiled(tif) ? "tile" : "strip",
+ (isTiled(tif) ? tif->tif_curtile : tif->tif_curstrip),
+ a0, lastx);
}
#define badlength(a0,lastx) Fax3BadLength(module, tif, sp->line, a0, lastx)
static void
Fax3PrematureEOF(const char* module, TIFF* tif, uint32 line, uint32 a0)
{
- TIFFWarningExt(tif->tif_clientdata, module, "%s: Premature EOF at line %u of %s %u (x %u)",
- tif->tif_name,
- line, isTiled(tif) ? "tile" : "strip",
- (isTiled(tif) ? tif->tif_curtile : tif->tif_curstrip),
- a0);
+ TIFFWarningExt(tif->tif_clientdata, module, "Premature EOF at line %u of %s %u (x %u)",
+ line, isTiled(tif) ? "tile" : "strip",
+ (isTiled(tif) ? tif->tif_curtile : tif->tif_curstrip),
+ a0);
}
#define prematureEOF(a0) Fax3PrematureEOF(module, tif, sp->line, a0)
* Decode the requested amount of G3 1D-encoded data.
*/
static int
-Fax3Decode1D(TIFF* tif, tidata_t buf, tsize_t occ, tsample_t s)
+Fax3Decode1D(TIFF* tif, uint8* buf, tmsize_t occ, uint16 s)
{
DECLARE_STATE(tif, sp, "Fax3Decode1D");
-
(void) s;
+ if (occ % sp->b.rowbytes)
+ {
+ TIFFErrorExt(tif->tif_clientdata, module, "Fractional scanlines cannot be read");
+ return (-1);
+ }
CACHE_STATE(tif, sp);
thisrun = sp->curruns;
- while ((long)occ > 0) {
+ while (occ > 0) {
a0 = 0;
RunLength = 0;
pa = thisrun;
* Decode the requested amount of G3 2D-encoded data.
*/
static int
-Fax3Decode2D(TIFF* tif, tidata_t buf, tsize_t occ, tsample_t s)
+Fax3Decode2D(TIFF* tif, uint8* buf, tmsize_t occ, uint16 s)
{
DECLARE_STATE_2D(tif, sp, "Fax3Decode2D");
int is1D; /* current line is 1d/2d-encoded */
-
(void) s;
+ if (occ % sp->b.rowbytes)
+ {
+ TIFFErrorExt(tif->tif_clientdata, module, "Fractional scanlines cannot be read");
+ return (-1);
+ }
CACHE_STATE(tif, sp);
- while ((long)occ > 0) {
+ while (occ > 0) {
a0 = 0;
RunLength = 0;
pa = thisrun = sp->curruns;
* this is <8 bytes. We optimize the code here to reflect the
* machine characteristics.
*/
-#if SIZEOF_LONG == 8
+#if SIZEOF_UNSIGNED_LONG == 8
# define FILL(n, cp) \
switch (n) { \
case 15:(cp)[14] = 0xff; case 14:(cp)[13] = 0xff; case 13: (cp)[12] = 0xff;\
#undef ZERO
#undef FILL
+static int
+Fax3FixupTags(TIFF* tif)
+{
+ (void) tif;
+ return (1);
+}
+
/*
* Setup G3/G4-related compression/decompression state
* before data is processed. This routine is called once
static int
Fax3SetupState(TIFF* tif)
{
+ static const char module[] = "Fax3SetupState";
TIFFDirectory* td = &tif->tif_dir;
Fax3BaseState* sp = Fax3State(tif);
int needsRefLine;
Fax3CodecState* dsp = (Fax3CodecState*) Fax3State(tif);
- uint32 rowbytes, rowpixels, nruns;
+ tmsize_t rowbytes;
+ uint32 rowpixels, nruns;
if (td->td_bitspersample != 1) {
- TIFFErrorExt(tif->tif_clientdata, tif->tif_name,
+ TIFFErrorExt(tif->tif_clientdata, module,
"Bits/sample must be 1 for Group 3/4 encoding/decoding");
return (0);
}
rowbytes = TIFFScanlineSize(tif);
rowpixels = td->td_imagewidth;
}
- sp->rowbytes = (uint32) rowbytes;
- sp->rowpixels = (uint32) rowpixels;
+ sp->rowbytes = rowbytes;
+ sp->rowpixels = rowpixels;
/*
* Allocate any additional space required for decoding/encoding.
*/
/*
Assure that allocation computations do not overflow.
-
+
TIFFroundup and TIFFSafeMultiply return zero on integer overflow
*/
dsp->runs=(uint32*) NULL;
- nruns = TIFFroundup(rowpixels,32);
+ nruns = TIFFroundup_32(rowpixels,32);
if (needsRefLine) {
nruns = TIFFSafeMultiply(uint32,nruns,2);
}
"for Group 3/4 run arrays");
if (dsp->runs == NULL)
return (0);
+ memset( dsp->runs, 0, TIFFSafeMultiply(uint32,nruns,2)*sizeof(uint32));
dsp->curruns = dsp->runs;
if (needsRefLine)
dsp->refruns = dsp->runs + nruns;
*/
esp->refline = (unsigned char*) _TIFFmalloc(rowbytes);
if (esp->refline == NULL) {
- TIFFErrorExt(tif->tif_clientdata, "Fax3SetupState",
- "%s: No space for Group 3/4 reference line",
- tif->tif_name);
+ TIFFErrorExt(tif->tif_clientdata, module,
+ "No space for Group 3/4 reference line");
return (0);
}
} else /* 1d encoding */
#define Fax3FlushBits(tif, sp) { \
if ((tif)->tif_rawcc >= (tif)->tif_rawdatasize) \
(void) TIFFFlushData1(tif); \
- *(tif)->tif_rawcp++ = (tidataval_t) (sp)->data; \
+ *(tif)->tif_rawcp++ = (uint8) (sp)->data; \
(tif)->tif_rawcc++; \
(sp)->data = 0, (sp)->bit = 8; \
}
#define _FlushBits(tif) { \
if ((tif)->tif_rawcc >= (tif)->tif_rawdatasize) \
(void) TIFFFlushData1(tif); \
- *(tif)->tif_rawcp++ = (tidataval_t) data; \
+ *(tif)->tif_rawcp++ = (uint8) data; \
(tif)->tif_rawcc++; \
data = 0, bit = 8; \
}
length -= bit; \
_FlushBits(tif); \
} \
+ assert( length < 9 ); \
data |= (bits & _msbmask[length]) << (bit - length); \
bit -= length; \
if (bit == 0) \
* Reset encoding state at the start of a strip.
*/
static int
-Fax3PreEncode(TIFF* tif, tsample_t s)
+Fax3PreEncode(TIFF* tif, uint16 s)
{
Fax3CodecState* sp = EncoderState(tif);
* table. The ``base'' of the bit string is supplied
* along with the start+end bit indices.
*/
-static int32
+inline static int32
find0span(unsigned char* bp, int32 bs, int32 be)
{
int32 bits = be - bs;
return (span);
}
-static int32
+inline static int32
find1span(unsigned char* bp, int32 bs, int32 be)
{
int32 bits = be - bs;
* Encode a buffer of pixels.
*/
static int
-Fax3Encode(TIFF* tif, tidata_t bp, tsize_t cc, tsample_t s)
+Fax3Encode(TIFF* tif, uint8* bp, tmsize_t cc, uint16 s)
{
+ static const char module[] = "Fax3Encode";
Fax3CodecState* sp = EncoderState(tif);
-
(void) s;
- while ((long)cc > 0) {
+ if (cc % sp->b.rowbytes)
+ {
+ TIFFErrorExt(tif->tif_clientdata, module, "Fractional scanlines cannot be written");
+ return (0);
+ }
+ while (cc > 0) {
if ((sp->b.mode & FAXMODE_NOEOL) == 0)
Fax3PutEOL(tif);
if (is2DEncoding(sp)) {
sp->tag = G3_2D;
} else {
if (!Fax3Encode2DRow(tif, bp, sp->refline,
- sp->b.rowpixels))
+ sp->b.rowpixels))
return (0);
sp->k--;
}
if (sp->refline)
_TIFFfree(sp->refline);
- if (Fax3State(tif)->subaddress)
- _TIFFfree(Fax3State(tif)->subaddress);
- if (Fax3State(tif)->faxdcs)
- _TIFFfree(Fax3State(tif)->faxdcs);
-
_TIFFfree(tif->tif_data);
tif->tif_data = NULL;
#define FIELD_BADFAXLINES (FIELD_CODEC+0)
#define FIELD_CLEANFAXDATA (FIELD_CODEC+1)
#define FIELD_BADFAXRUN (FIELD_CODEC+2)
-#define FIELD_RECVPARAMS (FIELD_CODEC+3)
-#define FIELD_SUBADDRESS (FIELD_CODEC+4)
-#define FIELD_RECVTIME (FIELD_CODEC+5)
-#define FIELD_FAXDCS (FIELD_CODEC+6)
#define FIELD_OPTIONS (FIELD_CODEC+7)
-static const TIFFFieldInfo faxFieldInfo[] = {
- { TIFFTAG_FAXMODE, 0, 0, TIFF_ANY, FIELD_PSEUDO,
- FALSE, FALSE, "FaxMode" },
- { TIFFTAG_FAXFILLFUNC, 0, 0, TIFF_ANY, FIELD_PSEUDO,
- FALSE, FALSE, "FaxFillFunc" },
- { TIFFTAG_BADFAXLINES, 1, 1, TIFF_LONG, FIELD_BADFAXLINES,
- TRUE, FALSE, "BadFaxLines" },
- { TIFFTAG_BADFAXLINES, 1, 1, TIFF_SHORT, FIELD_BADFAXLINES,
- TRUE, FALSE, "BadFaxLines" },
- { TIFFTAG_CLEANFAXDATA, 1, 1, TIFF_SHORT, FIELD_CLEANFAXDATA,
- TRUE, FALSE, "CleanFaxData" },
- { TIFFTAG_CONSECUTIVEBADFAXLINES,1,1, TIFF_LONG, FIELD_BADFAXRUN,
- TRUE, FALSE, "ConsecutiveBadFaxLines" },
- { TIFFTAG_CONSECUTIVEBADFAXLINES,1,1, TIFF_SHORT, FIELD_BADFAXRUN,
- TRUE, FALSE, "ConsecutiveBadFaxLines" },
- { TIFFTAG_FAXRECVPARAMS, 1, 1, TIFF_LONG, FIELD_RECVPARAMS,
- TRUE, FALSE, "FaxRecvParams" },
- { TIFFTAG_FAXSUBADDRESS, -1,-1, TIFF_ASCII, FIELD_SUBADDRESS,
- TRUE, FALSE, "FaxSubAddress" },
- { TIFFTAG_FAXRECVTIME, 1, 1, TIFF_LONG, FIELD_RECVTIME,
- TRUE, FALSE, "FaxRecvTime" },
- { TIFFTAG_FAXDCS, -1,-1, TIFF_ASCII, FIELD_FAXDCS,
- TRUE, FALSE, "FaxDcs" },
+static const TIFFField faxFields[] = {
+ { TIFFTAG_FAXMODE, 0, 0, TIFF_ANY, 0, TIFF_SETGET_INT, TIFF_SETGET_UNDEFINED, FIELD_PSEUDO, FALSE, FALSE, "FaxMode", NULL },
+ { TIFFTAG_FAXFILLFUNC, 0, 0, TIFF_ANY, 0, TIFF_SETGET_OTHER, TIFF_SETGET_UNDEFINED, FIELD_PSEUDO, FALSE, FALSE, "FaxFillFunc", NULL },
+ { TIFFTAG_BADFAXLINES, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UINT32, FIELD_BADFAXLINES, TRUE, FALSE, "BadFaxLines", NULL },
+ { TIFFTAG_CLEANFAXDATA, 1, 1, TIFF_SHORT, 0, TIFF_SETGET_UINT16, TIFF_SETGET_UINT16, FIELD_CLEANFAXDATA, TRUE, FALSE, "CleanFaxData", NULL },
+ { TIFFTAG_CONSECUTIVEBADFAXLINES, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UINT32, FIELD_BADFAXRUN, TRUE, FALSE, "ConsecutiveBadFaxLines", NULL }};
+static const TIFFField fax3Fields[] = {
+ { TIFFTAG_GROUP3OPTIONS, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UINT32, FIELD_OPTIONS, FALSE, FALSE, "Group3Options", NULL },
};
-static const TIFFFieldInfo fax3FieldInfo[] = {
- { TIFFTAG_GROUP3OPTIONS, 1, 1, TIFF_LONG, FIELD_OPTIONS,
- FALSE, FALSE, "Group3Options" },
+static const TIFFField fax4Fields[] = {
+ { TIFFTAG_GROUP4OPTIONS, 1, 1, TIFF_LONG, 0, TIFF_SETGET_UINT32, TIFF_SETGET_UINT32, FIELD_OPTIONS, FALSE, FALSE, "Group4Options", NULL },
};
-static const TIFFFieldInfo fax4FieldInfo[] = {
- { TIFFTAG_GROUP4OPTIONS, 1, 1, TIFF_LONG, FIELD_OPTIONS,
- FALSE, FALSE, "Group4Options" },
-};
-#define N(a) (sizeof (a) / sizeof (a[0]))
static int
-Fax3VSetField(TIFF* tif, ttag_t tag, va_list ap)
+Fax3VSetField(TIFF* tif, uint32 tag, va_list ap)
{
Fax3BaseState* sp = Fax3State(tif);
- const TIFFFieldInfo* fip;
+ const TIFFField* fip;
assert(sp != 0);
assert(sp->vsetparent != 0);
switch (tag) {
case TIFFTAG_FAXMODE:
- sp->mode = va_arg(ap, int);
+ sp->mode = (int) va_arg(ap, int);
return 1; /* NB: pseudo tag */
case TIFFTAG_FAXFILLFUNC:
DecoderState(tif)->fill = va_arg(ap, TIFFFaxFillFunc);
case TIFFTAG_GROUP3OPTIONS:
/* XXX: avoid reading options if compression mismatches. */
if (tif->tif_dir.td_compression == COMPRESSION_CCITTFAX3)
- sp->groupoptions = va_arg(ap, uint32);
+ sp->groupoptions = (uint32) va_arg(ap, uint32);
break;
case TIFFTAG_GROUP4OPTIONS:
/* XXX: avoid reading options if compression mismatches. */
if (tif->tif_dir.td_compression == COMPRESSION_CCITTFAX4)
- sp->groupoptions = va_arg(ap, uint32);
+ sp->groupoptions = (uint32) va_arg(ap, uint32);
break;
case TIFFTAG_BADFAXLINES:
- sp->badfaxlines = va_arg(ap, uint32);
+ sp->badfaxlines = (uint32) va_arg(ap, uint32);
break;
case TIFFTAG_CLEANFAXDATA:
- sp->cleanfaxdata = (uint16) va_arg(ap, int);
+ sp->cleanfaxdata = (uint16) va_arg(ap, uint16_vap);
break;
case TIFFTAG_CONSECUTIVEBADFAXLINES:
- sp->badfaxrun = va_arg(ap, uint32);
- break;
- case TIFFTAG_FAXRECVPARAMS:
- sp->recvparams = va_arg(ap, uint32);
- break;
- case TIFFTAG_FAXSUBADDRESS:
- _TIFFsetString(&sp->subaddress, va_arg(ap, char*));
- break;
- case TIFFTAG_FAXRECVTIME:
- sp->recvtime = va_arg(ap, uint32);
- break;
- case TIFFTAG_FAXDCS:
- _TIFFsetString(&sp->faxdcs, va_arg(ap, char*));
+ sp->badfaxrun = (uint32) va_arg(ap, uint32);
break;
default:
return (*sp->vsetparent)(tif, tag, ap);
}
- if ((fip = _TIFFFieldWithTag(tif, tag)))
+ if ((fip = TIFFFieldWithTag(tif, tag)))
TIFFSetFieldBit(tif, fip->field_bit);
else
return 0;
}
static int
-Fax3VGetField(TIFF* tif, ttag_t tag, va_list ap)
+Fax3VGetField(TIFF* tif, uint32 tag, va_list ap)
{
Fax3BaseState* sp = Fax3State(tif);
case TIFFTAG_CONSECUTIVEBADFAXLINES:
*va_arg(ap, uint32*) = sp->badfaxrun;
break;
- case TIFFTAG_FAXRECVPARAMS:
- *va_arg(ap, uint32*) = sp->recvparams;
- break;
- case TIFFTAG_FAXSUBADDRESS:
- *va_arg(ap, char**) = sp->subaddress;
- break;
- case TIFFTAG_FAXRECVTIME:
- *va_arg(ap, uint32*) = sp->recvtime;
- break;
- case TIFFTAG_FAXDCS:
- *va_arg(ap, char**) = sp->faxdcs;
- break;
default:
return (*sp->vgetparent)(tif, tag, ap);
}
if (TIFFFieldSet(tif,FIELD_BADFAXRUN))
fprintf(fd, " Consecutive Bad Fax Lines: %lu\n",
(unsigned long) sp->badfaxrun);
- if (TIFFFieldSet(tif,FIELD_RECVPARAMS))
- fprintf(fd, " Fax Receive Parameters: %08lx\n",
- (unsigned long) sp->recvparams);
- if (TIFFFieldSet(tif,FIELD_SUBADDRESS))
- fprintf(fd, " Fax SubAddress: %s\n", sp->subaddress);
- if (TIFFFieldSet(tif,FIELD_RECVTIME))
- fprintf(fd, " Fax Receive Time: %lu secs\n",
- (unsigned long) sp->recvtime);
- if (TIFFFieldSet(tif,FIELD_FAXDCS))
- fprintf(fd, " Fax DCS: %s\n", sp->faxdcs);
+ if (sp->printdir)
+ (*sp->printdir)(tif, fd, flags);
}
static int
InitCCITTFax3(TIFF* tif)
{
+ static const char module[] = "InitCCITTFax3";
Fax3BaseState* sp;
/*
* Merge codec-specific tag information.
*/
- if (!_TIFFMergeFieldInfo(tif, faxFieldInfo, N(faxFieldInfo))) {
+ if (!_TIFFMergeFields(tif, faxFields, TIFFArrayCount(faxFields))) {
TIFFErrorExt(tif->tif_clientdata, "InitCCITTFax3",
"Merging common CCITT Fax codec-specific tags failed");
return 0;
/*
* Allocate state block so tag methods have storage to record values.
*/
- tif->tif_data = (tidata_t)
+ tif->tif_data = (uint8*)
_TIFFmalloc(sizeof (Fax3CodecState));
if (tif->tif_data == NULL) {
- TIFFErrorExt(tif->tif_clientdata, "TIFFInitCCITTFax3",
- "%s: No space for state block", tif->tif_name);
+ TIFFErrorExt(tif->tif_clientdata, module,
+ "No space for state block");
return (0);
}
sp->printdir = tif->tif_tagmethods.printdir;
tif->tif_tagmethods.printdir = Fax3PrintDir; /* hook for codec tags */
sp->groupoptions = 0;
- sp->recvparams = 0;
- sp->subaddress = NULL;
- sp->faxdcs = NULL;
if (sp->rw_mode == O_RDONLY) /* FIXME: improve for in place update */
tif->tif_flags |= TIFF_NOBITREV; /* decoder does bit reversal */
/*
* Install codec methods.
*/
+ tif->tif_fixuptags = Fax3FixupTags;
tif->tif_setupdecode = Fax3SetupState;
tif->tif_predecode = Fax3PreDecode;
tif->tif_decoderow = Fax3Decode1D;
/*
* Merge codec-specific tag information.
*/
- if (!_TIFFMergeFieldInfo(tif, fax3FieldInfo, N(fax3FieldInfo))) {
+ if (!_TIFFMergeFields(tif, fax3Fields,
+ TIFFArrayCount(fax3Fields))) {
TIFFErrorExt(tif->tif_clientdata, "TIFFInitCCITTFax3",
"Merging CCITT Fax 3 codec-specific tags failed");
return 0;
* Compression Scheme Support.
*/
-#define SWAP(t,a,b) { t x; x = (a); (a) = (b); (b) = x; }
+#define SWAP(t,a,b) { t x; x = (a); (a) = (b); (b) = x; }
/*
* Decode the requested amount of G4-encoded data.
*/
static int
-Fax4Decode(TIFF* tif, tidata_t buf, tsize_t occ, tsample_t s)
+Fax4Decode(TIFF* tif, uint8* buf, tmsize_t occ, uint16 s)
{
DECLARE_STATE_2D(tif, sp, "Fax4Decode");
-
(void) s;
+ if (occ % sp->b.rowbytes)
+ {
+ TIFFErrorExt(tif->tif_clientdata, module, "Fractional scanlines cannot be read");
+ return (-1);
+ }
CACHE_STATE(tif, sp);
- while ((long)occ > 0) {
+ while (occ > 0) {
a0 = 0;
RunLength = 0;
pa = thisrun = sp->curruns;
* Encode the requested amount of data.
*/
static int
-Fax4Encode(TIFF* tif, tidata_t bp, tsize_t cc, tsample_t s)
+Fax4Encode(TIFF* tif, uint8* bp, tmsize_t cc, uint16 s)
{
+ static const char module[] = "Fax4Encode";
Fax3CodecState *sp = EncoderState(tif);
-
(void) s;
- while ((long)cc > 0) {
+ if (cc % sp->b.rowbytes)
+ {
+ TIFFErrorExt(tif->tif_clientdata, module, "Fractional scanlines cannot be written");
+ return (0);
+ }
+ while (cc > 0) {
if (!Fax3Encode2DRow(tif, bp, sp->refline, sp->b.rowpixels))
return (0);
_TIFFmemcpy(sp->refline, bp, sp->b.rowbytes);
/*
* Merge codec-specific tag information.
*/
- if (!_TIFFMergeFieldInfo(tif, fax4FieldInfo, N(fax4FieldInfo))) {
+ if (!_TIFFMergeFields(tif, fax4Fields,
+ TIFFArrayCount(fax4Fields))) {
TIFFErrorExt(tif->tif_clientdata, "TIFFInitCCITTFax4",
"Merging CCITT Fax 4 codec-specific tags failed");
return 0;
* Decode the requested amount of RLE-encoded data.
*/
static int
-Fax3DecodeRLE(TIFF* tif, tidata_t buf, tsize_t occ, tsample_t s)
+Fax3DecodeRLE(TIFF* tif, uint8* buf, tmsize_t occ, uint16 s)
{
DECLARE_STATE(tif, sp, "Fax3DecodeRLE");
int mode = sp->b.mode;
-
(void) s;
+ if (occ % sp->b.rowbytes)
+ {
+ TIFFErrorExt(tif->tif_clientdata, module, "Fractional scanlines cannot be read");
+ return (-1);
+ }
CACHE_STATE(tif, sp);
thisrun = sp->curruns;
- while ((long)occ > 0) {
+ while (occ > 0) {
a0 = 0;
RunLength = 0;
pa = thisrun;
if (InitCCITTFax3(tif)) { /* reuse G3 support */
tif->tif_decoderow = Fax3DecodeRLE;
tif->tif_decodestrip = Fax3DecodeRLE;
- tif->tif_decodetile = Fax3DecodeRLE;
+ tif->tif_decodetile = Fax3DecodeRLE;
/*
* Suppress RTC+EOLs when encoding and word-align data.
*/
projects / reactos.git / blobdiff