Ejemplo n.º 1
0
int
TIFFReadScanline(TIFF* tif, tdata_t buf, uint32 row, tsample_t sample)
{
	int e;

	if (!TIFFCheckRead(tif, 0))
		return (-1);
	if (e = TIFFSeek(tif, row, sample)) {
		/*
		 * Decompress desired row into user buffer.
		 */
		e = (*tif->tif_decoderow)
		    (tif, buf, tif->tif_scanlinesize, sample);
		tif->tif_row++;
		if (e)
			(*tif->tif_postdecode)(tif, buf, tif->tif_scanlinesize);
	}
	return (e ? 1 : -1);
}
Ejemplo n.º 2
0
int
TIFFReadScanline(TIFF* tif, tdata_t buf, uint32 row, tsample_t sample)
{
	int e;

	if (!TIFFCheckRead(tif, 0))
		return (-1);
	if( (e = TIFFSeek(tif, row, sample)) != 0) {
		/*
		 * Decompress desired row into user buffer.
		 */
		e = (*tif->tif_decoderow)
		    (tif, (tidata_t) buf, tif->tif_scanlinesize, sample);

                /* we are now poised at the beginning of the next row */
                tif->tif_row = row + 1;

		if (e)
			(*tif->tif_postdecode)(tif, (tidata_t) buf,
			    tif->tif_scanlinesize);
	}
	return (e > 0 ? 1 : -1);
}