tif_dumpmode.c File Reference

#include <precomp.h>

Include dependency graph for tif_dumpmode.c:

Go to the source code of this file.

Functions
static int	DumpFixupTags (TIFF *tif)
static int	DumpModeEncode (TIFF *tif, uint8 *pp, tmsize_t cc, uint16 s)
static int	DumpModeDecode (TIFF *tif, uint8 *buf, tmsize_t cc, uint16 s)
static int	DumpModeSeek (TIFF *tif, uint32 nrows)
int	TIFFInitDumpMode (TIFF *tif, int scheme)

Function Documentation

DumpFixupTags()

static int DumpFixupTags ( TIFF *  tif )

static

Definition at line 34 of file tif_dumpmode.c.

{
    (void) tif;
    return (1);
}

Referenced by TIFFInitDumpMode().

DumpModeDecode()

static int DumpModeDecode ( TIFF *  tif, uint8 *  buf, tmsize_t  cc, uint16  s  )

static

Definition at line 77 of file tif_dumpmode.c.

{
    static const char module[] = "DumpModeDecode";
    (void) s;
    if (tif->tif_rawcc < cc) {
#if defined(__WIN32__) && (defined(_MSC_VER) || defined(__MINGW32__))
        TIFFErrorExt(tif->tif_clientdata, module,
"Not enough data for scanline %lu, expected a request for at most %I64d bytes, got a request for %I64d bytes",
                     (unsigned long) tif->tif_row,
                     (signed __int64) tif->tif_rawcc,
                     (signed __int64) cc);
#else
        TIFFErrorExt(tif->tif_clientdata, module,
"Not enough data for scanline %lu, expected a request for at most %lld bytes, got a request for %lld bytes",
                     (unsigned long) tif->tif_row,
                     (signed long long) tif->tif_rawcc,
                     (signed long long) cc);
#endif
        return (0);
    }
    /*
     * Avoid copy if client has setup raw
     * data buffer to avoid extra copy.
     */
    if (tif->tif_rawcp != buf)
        _TIFFmemcpy(buf, tif->tif_rawcp, cc);
    tif->tif_rawcp += cc;
    tif->tif_rawcc -= cc;  
    return (1);
}

Referenced by TIFFInitDumpMode().

DumpModeEncode()

static int DumpModeEncode ( TIFF *  tif, uint8 *  pp, tmsize_t  cc, uint16  s  )

static

Definition at line 44 of file tif_dumpmode.c.

{
    (void) s;
    while (cc > 0) {
        tmsize_t n;
 
        n = cc;
        if (tif->tif_rawcc + n > tif->tif_rawdatasize)
            n = tif->tif_rawdatasize - tif->tif_rawcc;
 
        assert( n > 0 );
 
        /*
         * Avoid copy if client has setup raw
         * data buffer to avoid extra copy.
         */
        if (tif->tif_rawcp != pp)
            _TIFFmemcpy(tif->tif_rawcp, pp, n);
        tif->tif_rawcp += n;
        tif->tif_rawcc += n;
        pp += n;
        cc -= n;
        if (tif->tif_rawcc >= tif->tif_rawdatasize &&
            !TIFFFlushData1(tif))
            return (0);
    }
    return (1);
}

Referenced by TIFFInitDumpMode().

DumpModeSeek()

static int DumpModeSeek ( TIFF *  tif, uint32  nrows  )

static

Definition at line 112 of file tif_dumpmode.c.

{
    tif->tif_rawcp += nrows * tif->tif_scanlinesize;
    tif->tif_rawcc -= nrows * tif->tif_scanlinesize;
    return (1);
}

Referenced by TIFFInitDumpMode().

TIFFInitDumpMode()

int TIFFInitDumpMode	(	TIFF *	tif,
		int	scheme
	)

Definition at line 123 of file tif_dumpmode.c.

{
    (void) scheme;
    tif->tif_fixuptags = DumpFixupTags;  
    tif->tif_decoderow = DumpModeDecode;
    tif->tif_decodestrip = DumpModeDecode;
    tif->tif_decodetile = DumpModeDecode;
    tif->tif_encoderow = DumpModeEncode;
    tif->tif_encodestrip = DumpModeEncode;
    tif->tif_encodetile = DumpModeEncode; 
    tif->tif_seek = DumpModeSeek;
    return (1);
}