62 lines
2.9 KiB
CMake
62 lines
2.9 KiB
CMake
# C library features
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#
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# Copyright © 2015 Open Microscopy Environment / University of Dundee
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# Copyright © 2021 Roger Leigh <rleigh@codelibre.net>
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# Written by Roger Leigh <rleigh@codelibre.net>
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#
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# Permission to use, copy, modify, distribute, and sell this software and
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# its documentation for any purpose is hereby granted without fee, provided
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# that (i) the above copyright notices and this permission notice appear in
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# all copies of the software and related documentation, and (ii) the names of
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# Sam Leffler and Silicon Graphics may not be used in any advertising or
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# publicity relating to the software without the specific, prior written
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# permission of Sam Leffler and Silicon Graphics.
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#
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# THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
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# WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
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#
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# IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
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# ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
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# OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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# WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
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# LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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# OF THIS SOFTWARE.
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# Strip chopping
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option(strip-chopping "strip chopping (whether or not to convert single-strip uncompressed images to mutiple strips of specified size to reduce memory usage)" ON)
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set(TIFF_DEFAULT_STRIP_SIZE 8192 CACHE STRING "default size of the strip in bytes (when strip chopping is enabled)")
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set(STRIPCHOP_DEFAULT)
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if(strip-chopping)
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set(STRIPCHOP_DEFAULT TRUE)
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if(TIFF_DEFAULT_STRIP_SIZE)
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set(STRIP_SIZE_DEFAULT "${TIFF_DEFAULT_STRIP_SIZE}")
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endif()
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endif()
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set(TIFF_MAX_DIR_COUNT 1048576 CACHE STRING "Maximum number of TIFF directories that libtiff can browse through")
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# Defer loading of strip/tile offsets
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option(defer-strile-load "enable deferred strip/tile offset/size loading (also available at runtime with the 'D' flag of TIFFOpen())" OFF)
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set(DEFER_STRILE_LOAD ${defer-strile-load})
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# CHUNKY_STRIP_READ_SUPPORT
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option(chunky-strip-read "enable reading large strips in chunks for TIFFReadScanline() (experimental)" OFF)
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set(CHUNKY_STRIP_READ_SUPPORT ${chunky-strip-read})
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# SUBIFD support
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set(SUBIFD_SUPPORT 1)
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# Default handling of ASSOCALPHA support.
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option(extrasample-as-alpha "the RGBA interface will treat a fourth sample with no EXTRASAMPLE_ value as being ASSOCALPHA. Many packages produce RGBA files but don't mark the alpha properly" ON)
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if(extrasample-as-alpha)
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set(DEFAULT_EXTRASAMPLE_AS_ALPHA 1)
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endif()
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# Default handling of YCbCr subsampling support.
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# See Bug 168 in Bugzilla, and JPEGFixupTestSubsampling() for details.
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option(check-ycbcr-subsampling "enable picking up YCbCr subsampling info from the JPEG data stream to support files lacking the tag" ON)
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if (check-ycbcr-subsampling)
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set(CHECK_JPEG_YCBCR_SUBSAMPLING 1)
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endif()
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