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Added alpha member. Updated through r2451. #139

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John Evans 2014-03-08 14:13:36 -05:00
commit 554f066d0b
2 changed files with 7 additions and 2 deletions
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2
docs/source/detailed_installation.rst
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@ -13,7 +13,7 @@ both read and write JPEG 2000 files, but you may wish to install version 2.0
or the 2.0+ version from OpenJPEG's development trunk for better performance. or the 2.0+ version from OpenJPEG's development trunk for better performance.
If you do that, you should compile it as a shared library (named *openjp2* If you do that, you should compile it as a shared library (named *openjp2*
instead of *openjpeg*) from the developmental source that you can retrieve instead of *openjpeg*) from the developmental source that you can retrieve
via subversion. As of this time of writing, svn revision r2436 works. via subversion. As of this time of writing, svn revision r2451 works.
You should also download the test data for the purpose of configuring You should also download the test data for the purpose of configuring
and running OpenJPEG's test suite, check their instructions for all this. and running OpenJPEG's test suite, check their instructions for all this.
You should set the **OPJ_DATA_ROOT** environment variable for the purpose You should set the **OPJ_DATA_ROOT** environment variable for the purpose

7
glymur/lib/openjp2.py
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@ -35,6 +35,7 @@ CLRSPC_UNSPECIFIED = 0
CLRSPC_SRGB = 1 CLRSPC_SRGB = 1
CLRSPC_GRAY = 2 CLRSPC_GRAY = 2
CLRSPC_YCC = 3 CLRSPC_YCC = 3
CLRSPC_EYCC = 4
COLOR_SPACE_TYPE = ctypes.c_int COLOR_SPACE_TYPE = ctypes.c_int
# supported codec # supported codec
@ -390,7 +391,11 @@ class ImageCompType(ctypes.Structure):
("factor", ctypes.c_uint32), ("factor", ctypes.c_uint32),
# image component data # image component data
("data", ctypes.POINTER(ctypes.c_int32))] ("data", ctypes.POINTER(ctypes.c_int32)),
# alpha channel
# TODO: exclude for 2.0, 1.5
("alpha", ctypes.POINTER(ctypes.c_uint16))]
class ImageType(ctypes.Structure): class ImageType(ctypes.Structure):