TIFFReadEncodedStrip - read and decode a strip of data from an open TIFF file
Contents
Copyright
1988-2022, LibTIFF contributors
4.7 Apr 30, 2025 TIFFREADENCODEDSTRIP(3tiff)
Description
Read the specified strip of data and place up to size bytes of decompressed information in the (user
supplied) data buffer.
Diagnostics
All error messages are directed to the TIFFErrorExtR() routine.
Name
TIFFReadEncodedStrip - read and decode a strip of data from an open TIFF file
Notes
The value of strip is a "raw strip number". That is, the caller must take into account whether or not
the data are organized in separate planes (PlanarConfiguration = 2). To read a full strip of data the
data buffer should typically be at least as large as the number returned by TIFFStripSize(). If -1 is
passed in the size parameter, the whole strip will be read. You should be sure you have enough space
allocated for the buffer.
The library attempts to hide bit- and byte-ordering differences between the image and the native machine
by converting data to the native machine order. Bit reversal is done if the FillOrder tag is opposite to
the native machine bit order. 16- and 32-bit samples are automatically byte-swapped if the file was
written with a byte order opposite to the native machine byte order.
Return Values
The actual number of bytes of data that were placed in buf is returned; TIFFReadEncodedStrip() returns -1
if an error was encountered.
See Also
TIFFOpen (3tiff), TIFFReadRawStrip (3tiff), TIFFReadScanline (3tiff), TIFFReadEncodedTile (3tiff),
libtiff (3tiff)
Synopsis
#include <tiffio.h>
tmsize_tTIFFReadEncodedStrip(TIFF*tif,uint32_tstrip,void*buf,tmsize_tsize)