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TIFFDefaultStripSize(3tiff)





NAME

       TIFFDefaultStripSize,  TIFFStripSize, TIFFVStripSize, TIFFRawStripSize,
       TIFFComputeStrip, TIFFNumberOfStrips - strip-related utility routines


SYNOPSIS

       #include <tiffio.h>

       uint32 TIFFDefaultStripSize(TIFF *tif, uint32 estimate)
       tsize_t TIFFStripSize(TIFF *tif)
       tsize_t TIFFVStripSize(TIFF *tif, uint32 nrows)
       tsize_t TIFFRawStripSize(TIFF *tif, tstrip_t strip)
       tstrip_t TIFFComputeStrip(TIFF *tif, uint32 row, tsample_t sample)
       tstrip_t TIFFNumberOfStrips(TIFF *tif)


DESCRIPTION

       TIFFDefaultStripSize returns the number of rows for a  reasonable-sized
       strip  according to the current settings of the ImageWidth, BitsPerSam-
       ple, SamplesPerPixel, tags and any  compression-specific  requirements.
       If the estimate parameter, if non-zero, then it is taken as an estimate
       of the desired strip size and adjusted according  to  any  compression-
       specific requirements. The value returned by this function is typically
       used to define the RowsPerStrip tag. In lieu of  any  unusual  require-
       ments  TIFFDefaultStripSize  tries  to create strips that have approxi-
       mately 8 kilobytes of uncompressed data.

       TIFFStripSize returns the equivalent size for a strip  of  data  as  it
       would  be  returned in a call to TIFFReadEncodedStrip or as it would be
       expected in a call to TIFFWriteEncodedStrip.

       TIFFVStripSize returns the number of bytes in a strip with  nrows  rows
       of data.

       TIFFRawStripSize  returns  the number of bytes in a raw strip (i.e. not
       decoded).

       TIFFComputeStrip returns the strip that contains the specified  coordi-
       nates. A valid strip is always returned; out-of-range coordinate values
       are clamped to the bounds of the image. The  row  parameter  is  always
       used  in calculating a strip. The sample parameter is used only if data
       are organized in separate planes (PlanarConfiguration=2).

       TIFFNumberOfStrips returns the number of strips in the image.


DIAGNOSTICS

       None.


SEE ALSO

       libtiff(3TIFF),  TIFFReadEncodedStrip(3TIFF),  TIFFReadRawStrip(3TIFF),
       TIFFWriteEncodedStrip(3TIFF), TIFFWriteRawStrip(3TIFF)

libtiff                        October 15, 1995               TIFFSTRIP(3TIFF)
See also TIFFComputeStrip(3)
See also TIFFNumberOfStrips(3)
See also TIFFStripSize(3)
See also TIFFVStripSize(3)
See also TIFFstrip(3)

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