tif_dumpmode.c File Reference

#include "tiffiop.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_t *pp, tmsize_t cc, uint16_t s)
static int	DumpModeDecode (TIFF *tif, uint8_t *buf, tmsize_t cc, uint16_t s)
static int	DumpModeSeek (TIFF *tif, uint32_t nrows)
int	TIFFInitDumpMode (TIFF *tif, int scheme)

Function Documentation

DumpFixupTags()

static int DumpFixupTags ( TIFF *  tif )

static

Definition at line 32 of file tif_dumpmode.c.

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

Referenced by TIFFInitDumpMode().

DumpModeDecode()

static int DumpModeDecode ( TIFF *  tif, uint8_t *  buf, tmsize_t  cc, uint16_t  s  )

static

Definition at line 73 of file tif_dumpmode.c.

{
    static const char module[] = "DumpModeDecode";
    (void)s;
    if (tif->tif_rawcc < cc)
    {
        TIFFErrorExtR(tif, module,
                      "Not enough data for scanline %" PRIu32
                      ", expected a request for at most %" TIFF_SSIZE_FORMAT
                      " bytes, got a request for %" TIFF_SSIZE_FORMAT " bytes",
                      tif->tif_row, tif->tif_rawcc, cc);
        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_t *  pp, tmsize_t  cc, uint16_t  s  )

static

Definition at line 41 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_t  nrows  )

static

Definition at line 100 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 110 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);
}