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Merge branch 'issue263' into devel

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jevans 2014-09-20 12:59:41 -04:00
commit cf6d40904f
23 changed files with 1935 additions and 4303 deletions
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4
docs/source/how_do_i.rst
View file

@ -347,7 +347,7 @@ image isn't square. ::
>>> alpha[mask] = 0 >>> alpha[mask] = 0
>>> rgba = np.concatenate((rgb, alpha), axis=2) >>> rgba = np.concatenate((rgb, alpha), axis=2)
>>> jp2 = Jp2k('tmp.jp2', 'wb') >>> jp2 = Jp2k('tmp.jp2', 'wb')
>>> jp2.write(rgba) >>> jp2[:] = rgba
Next we need to specify what types of channels we have. Next we need to specify what types of channels we have.
The first three channels are color channels, but we identify the fourth as The first three channels are color channels, but we identify the fourth as
@ -447,7 +447,7 @@ http://photojournal.jpl.nasa.gov/tiff/PIA17145.tif info JPEG 2000::
>>> image = skimage.io.imread('PIA17145.tif') >>> image = skimage.io.imread('PIA17145.tif')
>>> from glymur import Jp2k >>> from glymur import Jp2k
>>> jp2 = Jp2k('PIA17145.jp2', 'wb') >>> jp2 = Jp2k('PIA17145.jp2', 'wb')
>>> jp2.write(image) >>> jp2[:] = image
Next you can extract the XMP metadata. Next you can extract the XMP metadata.

1
glymur/__init__.py
View file

@ -7,7 +7,6 @@ from glymur import version
__version__ = version.version __version__ = version.version
from .jp2k import Jp2k from .jp2k import Jp2k
from .jp2dump import jp2dump
from .jp2box import get_printoptions, set_printoptions from .jp2box import get_printoptions, set_printoptions
from .jp2box import get_parseoptions, set_parseoptions from .jp2box import get_parseoptions, set_parseoptions

8
glymur/codestream.py
View file

@ -642,7 +642,7 @@ class Codestream(object):
srgn = data[1] srgn = data[1]
sprgn = data[2] sprgn = data[2]
return RGNsegment(length, offset, crgn, srgn, sprgn) return RGNsegment(crgn, srgn, sprgn, length, offset)
def _parse_siz_segment(self, fptr): def _parse_siz_segment(self, fptr):
"""Parse the SIZ segment. """Parse the SIZ segment.
@ -1074,7 +1074,7 @@ class CMEsegment(Segment):
15444-1:2004 - Information technology -- JPEG 2000 image coding system: 15444-1:2004 - Information technology -- JPEG 2000 image coding system:
Core coding system Core coding system
""" """
def __init__(self, rcme, ccme, length, offset): def __init__(self, rcme, ccme, length=-1, offset=-1):
Segment.__init__(self, marker_id='CME') Segment.__init__(self, marker_id='CME')
self.rcme = rcme self.rcme = rcme
self.ccme = ccme self.ccme = ccme
@ -1463,7 +1463,7 @@ class RGNsegment(Segment):
15444-1:2004 - Information technology -- JPEG 2000 image coding system: 15444-1:2004 - Information technology -- JPEG 2000 image coding system:
Core coding system Core coding system
""" """
def __init__(self, length, offset, crgn, srgn, sprgn): def __init__(self, crgn, srgn, sprgn, length=-1, offset=-1):
Segment.__init__(self, marker_id='RGN') Segment.__init__(self, marker_id='RGN')
self.length = length self.length = length
self.offset = offset self.offset = offset
@ -1726,7 +1726,7 @@ class SOTsegment(Segment):
15444-1:2004 - Information technology -- JPEG 2000 image coding system: 15444-1:2004 - Information technology -- JPEG 2000 image coding system:
Core coding system Core coding system
""" """
def __init__(self, isot, psot, tpsot, tnsot, length, offset): def __init__(self, isot, psot, tpsot, tnsot, length=-1, offset=-1):
Segment.__init__(self, marker_id='SOT') Segment.__init__(self, marker_id='SOT')
self.isot = isot self.isot = isot
self.psot = psot self.psot = psot

30
glymur/command_line.py
View file

@ -1,10 +1,15 @@
#!/usr/bin/env python """
Entry point for console script jp2dump.
"""
import argparse import argparse
import sys import sys
from . import jp2dump, set_printoptions import warnings
from . import Jp2k, set_printoptions
def main(): def main():
"""
Entry point for console script jp2dump.
"""
description='Print JPEG2000 metadata.' description='Print JPEG2000 metadata.'
parser = argparse.ArgumentParser(description=description) parser = argparse.ArgumentParser(description=description)
@ -45,5 +50,22 @@ def main():
print_full_codestream = True print_full_codestream = True
filename = args.filename filename = args.filename
jp2dump(args.filename, codestream=print_full_codestream)
with warnings.catch_warnings(record=True) as wctx:
# JP2 metadata can be extensive, so don't print any warnings until we
# are done with the metadata.
j = Jp2k(filename)
if print_full_codestream:
print(j.get_codestream(header_only=False))
else:
print(j)
# Re-emit any warnings that may have been suppressed.
if len(wctx) > 0:
print("\n")
for warning in wctx:
print("{0}:{1}: {2}: {3}".format(warning.filename,
warning.lineno,
warning.category.__name__,
warning.message))

36
glymur/jp2dump.py
View file

@ -1,36 +0,0 @@
"""
Entry point for jp2dump script.
"""
import warnings
from .jp2k import Jp2k
def jp2dump(filename, codestream=False):
"""Prints JPEG2000 metadata.
Parameters
----------
filename : string
The input JPEG2000 file.
codestream : optional, logical scalar
Whether or not to dump codestream contents.
"""
with warnings.catch_warnings(record=True) as wctx:
# JP2 metadata can be extensive, so don't print any warnings until we
# are done with the metadata.
j = Jp2k(filename)
if codestream:
print(j.get_codestream(header_only=False))
else:
print(j)
# Re-emit any warnings that may have been suppressed.
if len(wctx) > 0:
print("\n")
for warning in wctx:
print("{0}:{1}: {2}: {3}".format(warning.filename,
warning.lineno,
warning.category.__name__,
warning.message))

16
glymur/jp2k.py
View file

@ -759,6 +759,22 @@ class Jp2k(Jp2kBox):
return boxes return boxes
def __setitem__(self, index, data):
"""
Slicing protocol.
"""
if isinstance(index, slice) and (
index.start == None and
index.stop == None and
index.step == None):
# Case of jp2[:] = data, i.e. write the entire image.
#
# Should have a slice object where start = stop = step = None
self.write(data)
else:
msg = "Images currently must be written entirely at once."
raise TypeError(msg)
def __getitem__(self, pargs): def __getitem__(self, pargs):
""" """
Slicing protocol. Slicing protocol.

131
glymur/test/fixtures.py
View file

@ -5,12 +5,143 @@ import os
import re import re
import sys import sys
import textwrap import textwrap
import unittest
import warnings import warnings
import numpy as np import numpy as np
import six
import glymur import glymur
# Some versions of "six" on python3 cause problems when verifying warnings.
# Only use when the version is 1.7 or higher.
# And moreover, we only test using the 3.x infrastructure, never on 2.x.
WARNING_INFRASTRUCTURE_ISSUE = False
WARNING_INFRASTRUCTURE_MSG = ""
if sys.hexversion < 0x03000000:
WARNING_INFRASTRUCTURE_ISSUE = True
WARNING_INFRASTRUCTURE_MSG = "3.x warning infrastructure only"
elif re.match('1.[0-6]', six.__version__) is not None:
WARNING_INFRASTRUCTURE_ISSUE = True
WARNING_INFRASTRUCTURE_MSG = "Cannot use with this version of six"
class MetadataBase(unittest.TestCase):
"""
Base class for testing metadata.
This class has helper routines defined for testing metadata so that it can
be subclassed and used easily.
"""
def setUp(self):
pass
def tearDown(self):
pass
def verify_codeblock_style(self, actual, style):
"""
Verify the code-block style for SPcod and SPcoc parameters.
This information is stored in a single byte. Please reference
Table A-17 in FCD15444-1
"""
expected = 0
if style[0]:
# Selective arithmetic coding bypass
expected |= 0x01
if style[1]:
# Reset context probabilities
expected |= 0x02
if style[2]:
# Termination on each coding pass
expected |= 0x04
if style[3]:
# Vertically causal context
expected |= 0x08
if style[4]:
# Predictable termination
expected |= 0x10
if style[5]:
# Segmentation symbols
expected |= 0x20
self.assertEqual(actual, expected)
def verifySignatureBox(self, box):
"""
The signature box is a constant.
"""
self.assertEqual(box.signature, (13, 10, 135, 10))
def verify_filetype_box(self, actual, expected):
"""
All JP2 files should have a brand reading 'jp2 ' and just a single
entry in the compatibility list, also 'jp2 '. JPX files can have more
compatibility items.
"""
self.assertEqual(actual.brand, expected.brand)
self.assertEqual(actual.minor_version, expected.minor_version)
self.assertEqual(actual.minor_version, 0)
for cl in expected.compatibility_list:
self.assertIn(cl, actual.compatibility_list)
def verifyRGNsegment(self, actual, expected):
"""
verify the fields of a RGN segment
"""
self.assertEqual(actual.crgn, expected.crgn) # 0 = component
self.assertEqual(actual.srgn, expected.srgn) # 0 = implicit
self.assertEqual(actual.sprgn, expected.sprgn)
def verifySOTsegment(self, actual, expected):
"""
verify the fields of a SOT (start of tile) segment
"""
self.assertEqual(actual.isot, expected.isot)
self.assertEqual(actual.psot, expected.psot)
self.assertEqual(actual.tpsot, expected.tpsot)
self.assertEqual(actual.tnsot, expected.tnsot)
def verifyCMEsegment(self, actual, expected):
"""
verify the fields of a CME (comment) segment
"""
self.assertEqual(actual.rcme, expected.rcme)
self.assertEqual(actual.ccme, expected.ccme)
def verifySizSegment(self, actual, expected):
"""
Verify the fields of the SIZ segment.
"""
for field in ['rsiz', 'xsiz', 'ysiz', 'xosiz', 'yosiz', 'xtsiz',
'ytsiz', 'xtosiz', 'ytosiz', 'bitdepth', 'xrsiz', 'yrsiz']:
self.assertEqual(getattr(actual, field), getattr(expected, field))
def verifyImageHeaderBox(self, box1, box2):
self.assertEqual(box1.height, box2.height)
self.assertEqual(box1.width, box2.width)
self.assertEqual(box1.num_components, box2.num_components)
self.assertEqual(box1.bits_per_component, box2.bits_per_component)
self.assertEqual(box1.signed, box2.signed)
self.assertEqual(box1.compression, box2.compression)
self.assertEqual(box1.colorspace_unknown, box2.colorspace_unknown)
self.assertEqual(box1.ip_provided, box2.ip_provided)
def verifyColourSpecificationBox(self, actual, expected):
"""
Does not currently check icc profiles.
"""
self.assertEqual(actual.method, expected.method)
self.assertEqual(actual.precedence, expected.precedence)
self.assertEqual(actual.approximation, expected.approximation)
if expected.colorspace is None:
self.assertIsNone(actual.colorspace)
self.assertIsNotNone(actual.icc_profile)
else:
self.assertEqual(actual.colorspace, expected.colorspace)
self.assertIsNone(actual.icc_profile)
# The Python XMP Toolkit may be used for XMP UUIDs, but only if available and # The Python XMP Toolkit may be used for XMP UUIDs, but only if available and
# if the version is at least 2.0.0. # if the version is at least 2.0.0.

6
glymur/test/test_callbacks.py
View file

@ -11,7 +11,6 @@ import os
import re import re
import sys import sys
import tempfile import tempfile
import warnings
import unittest import unittest
@ -24,6 +23,7 @@ else:
import glymur import glymur
from .fixtures import WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG
@unittest.skipIf(glymur.lib.openjp2.OPENJP2 is None, @unittest.skipIf(glymur.lib.openjp2.OPENJP2 is None,
"Missing openjp2 library.") "Missing openjp2 library.")
@ -37,12 +37,12 @@ class TestCallbacks(unittest.TestCase):
def tearDown(self): def tearDown(self):
pass pass
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
@unittest.skipIf(os.name == "nt", "Temporary file issue on window.") @unittest.skipIf(os.name == "nt", "Temporary file issue on window.")
def test_info_callback_on_write(self): def test_info_callback_on_write(self):
"""Verify messages printed when writing an image in verbose mode.""" """Verify messages printed when writing an image in verbose mode."""
j = glymur.Jp2k(self.jp2file) j = glymur.Jp2k(self.jp2file)
with warnings.catch_warnings(): with self.assertWarns(UserWarning):
warnings.simplefilter("ignore")
tiledata = j.read(tile=0) tiledata = j.read(tile=0)
with tempfile.NamedTemporaryFile(suffix='.jp2') as tfile: with tempfile.NamedTemporaryFile(suffix='.jp2') as tfile:
j = glymur.Jp2k(tfile.name, 'wb') j = glymur.Jp2k(tfile.name, 'wb')

4
glymur/test/test_codestream.py
View file

@ -5,15 +5,11 @@ Test suite for codestream parsing.
# unittest doesn't work well with R0904. # unittest doesn't work well with R0904.
# pylint: disable=R0904 # pylint: disable=R0904
# tempfile.TemporaryDirectory, unittest.assertWarns introduced in 3.2
# pylint: disable=E1101
import os import os
import struct import struct
import sys import sys
import tempfile import tempfile
import unittest import unittest
import warnings
from glymur import Jp2k from glymur import Jp2k
import glymur import glymur

9
glymur/test/test_config.py
View file

@ -16,7 +16,6 @@ import os
import sys import sys
import tempfile import tempfile
import unittest import unittest
import warnings
if sys.hexversion <= 0x03030000: if sys.hexversion <= 0x03030000:
from mock import patch from mock import patch
@ -26,6 +25,7 @@ else:
import glymur import glymur
from glymur import Jp2k from glymur import Jp2k
from .fixtures import WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG
@unittest.skipIf(sys.hexversion < 0x03020000, @unittest.skipIf(sys.hexversion < 0x03020000,
"TemporaryDirectory introduced in 3.2.") "TemporaryDirectory introduced in 3.2.")
@ -70,6 +70,7 @@ class TestSuite(unittest.TestCase):
imp.reload(glymur.lib.openjp2) imp.reload(glymur.lib.openjp2)
Jp2k(self.jp2file) Jp2k(self.jp2file)
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
def test_xdg_env_config_file_is_bad(self): def test_xdg_env_config_file_is_bad(self):
"""A non-existant library location should be rejected.""" """A non-existant library location should be rejected."""
with tempfile.TemporaryDirectory() as tdir: with tempfile.TemporaryDirectory() as tdir:
@ -84,11 +85,9 @@ class TestSuite(unittest.TestCase):
with patch.dict('os.environ', {'XDG_CONFIG_HOME': tdir}): with patch.dict('os.environ', {'XDG_CONFIG_HOME': tdir}):
# Misconfigured new configuration file should # Misconfigured new configuration file should
# be rejected. # be rejected.
with warnings.catch_warnings(record=True) as w: regex = 'could not be loaded'
warnings.simplefilter('always') with self.assertWarnsRegex(UserWarning, regex):
imp.reload(glymur.lib.openjp2) imp.reload(glymur.lib.openjp2)
self.assertTrue(issubclass(w[0].category,UserWarning))
self.assertTrue('could not be loaded' in str(w[0].message))
@unittest.skipIf(glymur.lib.openjp2.OPENJP2 is None and @unittest.skipIf(glymur.lib.openjp2.OPENJP2 is None and

10
glymur/test/test_glymur_warnings.py
View file

@ -5,13 +5,13 @@ Test suite for warnings issued by glymur.
# unittest doesn't work well with R0904. # unittest doesn't work well with R0904.
# pylint: disable=R0904 # pylint: disable=R0904
import platform
import os import os
import re import re
import struct import struct
import sys import sys
import tempfile import tempfile
import unittest import unittest
import warnings
import six import six
@ -19,13 +19,13 @@ from glymur import Jp2k
import glymur import glymur
from .fixtures import opj_data_file, OPJ_DATA_ROOT from .fixtures import opj_data_file, OPJ_DATA_ROOT
from .fixtures import WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG
@unittest.skipIf(sys.hexversion < 0x03030000, @unittest.skipIf(sys.hexversion < 0x03040000 and platform.system() == 'Linux',
"assertWarn methods introduced in 3.x") "inexplicable failures on 3.3 and linux")
@unittest.skipIf(re.match('1.[0-6]', six.__version__) is not None,
"Problem with earlier versions of six on python3")
@unittest.skipIf(OPJ_DATA_ROOT is None, @unittest.skipIf(OPJ_DATA_ROOT is None,
"OPJ_DATA_ROOT environment variable not set") "OPJ_DATA_ROOT environment variable not set")
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
class TestWarnings(unittest.TestCase): class TestWarnings(unittest.TestCase):
"""Test suite for warnings issued by glymur.""" """Test suite for warnings issued by glymur."""

13
glymur/test/test_icc.py
View file

@ -9,14 +9,15 @@ import datetime
import os import os
import sys import sys
import unittest import unittest
import warnings
import numpy as np import numpy as np
from glymur import Jp2k from glymur import Jp2k
from .fixtures import OPJ_DATA_ROOT, opj_data_file from .fixtures import OPJ_DATA_ROOT, opj_data_file
from .fixtures import WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
@unittest.skipIf(OPJ_DATA_ROOT is None, @unittest.skipIf(OPJ_DATA_ROOT is None,
"OPJ_DATA_ROOT environment variable not set") "OPJ_DATA_ROOT environment variable not set")
class TestICC(unittest.TestCase): class TestICC(unittest.TestCase):
@ -31,9 +32,8 @@ class TestICC(unittest.TestCase):
def test_file5(self): def test_file5(self):
"""basic ICC profile""" """basic ICC profile"""
filename = opj_data_file('input/conformance/file5.jp2') filename = opj_data_file('input/conformance/file5.jp2')
with warnings.catch_warnings(): with self.assertWarns(UserWarning):
# The file has a bad compatibility list entry. Not important here. # The file has a bad compatibility list entry. Not important here.
warnings.simplefilter("ignore")
j = Jp2k(filename) j = Jp2k(filename)
profile = j.box[3].box[1].icc_profile profile = j.box[3].box[1].icc_profile
self.assertEqual(profile['Size'], 546) self.assertEqual(profile['Size'], 546)
@ -62,18 +62,15 @@ class TestICC(unittest.TestCase):
self.assertEqual(profile['Creator'], 'JPEG') self.assertEqual(profile['Creator'], 'JPEG')
@unittest.skipIf(sys.platform.startswith('linux'), 'Failing on linux')
def test_invalid_profile_header(self): def test_invalid_profile_header(self):
"""invalid ICC header data should cause UserWarning""" """invalid ICC header data should cause UserWarning"""
jfile = opj_data_file('input/nonregression/orb-blue10-lin-jp2.jp2') jfile = opj_data_file('input/nonregression/orb-blue10-lin-jp2.jp2')
# assertWarns in Python 3.3 (python2.7/pylint issue) # assertWarns in Python 3.3 (python2.7/pylint issue)
# pylint: disable=E1101 # pylint: disable=E1101
with warnings.catch_warnings(record=True) as w: regex = 'ICC profile header is corrupt'
warnings.simplefilter('always') with self.assertWarnsRegex(UserWarning, regex):
Jp2k(jfile) Jp2k(jfile)
self.assertTrue(issubclass(w[0].category,UserWarning))
self.assertTrue('ICC profile header is corrupt' in str(w[0].message))
if __name__ == "__main__": if __name__ == "__main__":
unittest.main() unittest.main()

68
glymur/test/test_jp2box.py
View file

@ -23,7 +23,6 @@ import tempfile
import uuid import uuid
from uuid import UUID from uuid import UUID
import unittest import unittest
import warnings
import lxml.etree as ET import lxml.etree as ET
import numpy as np import numpy as np
@ -36,7 +35,10 @@ from glymur.jp2box import JPEG2000SignatureBox
from glymur.core import COLOR, OPACITY from glymur.core import COLOR, OPACITY
from glymur.core import RED, GREEN, BLUE, GREY, WHOLE_IMAGE from glymur.core import RED, GREEN, BLUE, GREY, WHOLE_IMAGE
from .fixtures import opj_data_file from .fixtures import (
WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG,
MetadataBase
)
try: try:
FORMAT_CORPUS_DATA_ROOT = os.environ['FORMAT_CORPUS_DATA_ROOT'] FORMAT_CORPUS_DATA_ROOT = os.environ['FORMAT_CORPUS_DATA_ROOT']
@ -357,6 +359,7 @@ class TestChannelDefinition(unittest.TestCase):
with self.assertRaises((IOError, OSError)): with self.assertRaises((IOError, OSError)):
j2k.wrap(tfile.name, boxes=boxes) j2k.wrap(tfile.name, boxes=boxes)
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
def test_bad_type(self): def test_bad_type(self):
"""Channel types are limited to 0, 1, 2, 65535 """Channel types are limited to 0, 1, 2, 65535
Should reject if not all of index, channel_type, association the Should reject if not all of index, channel_type, association the
@ -365,25 +368,20 @@ class TestChannelDefinition(unittest.TestCase):
channel_type = (COLOR, COLOR, 3) channel_type = (COLOR, COLOR, 3)
association = (RED, GREEN, BLUE) association = (RED, GREEN, BLUE)
with warnings.catch_warnings(record=True) as w: with self.assertWarns(UserWarning):
warnings.simplefilter('always')
glymur.jp2box.ChannelDefinitionBox(channel_type=channel_type, glymur.jp2box.ChannelDefinitionBox(channel_type=channel_type,
association=association) association=association)
self.assertEqual(len(w), 1)
self.assertTrue(issubclass(w[0].category, UserWarning))
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
def test_wrong_lengths(self): def test_wrong_lengths(self):
"""Should reject if not all of index, channel_type, association the """Should reject if not all of index, channel_type, association the
same length. same length.
""" """
channel_type = (COLOR, COLOR) channel_type = (COLOR, COLOR)
association = (RED, GREEN, BLUE) association = (RED, GREEN, BLUE)
with warnings.catch_warnings(record=True) as w: with self.assertWarns(UserWarning):
warnings.simplefilter('always')
glymur.jp2box.ChannelDefinitionBox(channel_type=channel_type, glymur.jp2box.ChannelDefinitionBox(channel_type=channel_type,
association=association) association=association)
self.assertEqual(len(w), 1)
self.assertTrue(issubclass(w[0].category, UserWarning))
class TestFileTypeBox(unittest.TestCase): class TestFileTypeBox(unittest.TestCase):
@ -395,20 +393,20 @@ class TestFileTypeBox(unittest.TestCase):
def tearDown(self): def tearDown(self):
pass pass
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
def test_brand_unknown(self): def test_brand_unknown(self):
"""A ftyp box brand must be 'jp2 ' or 'jpx '.""" """A ftyp box brand must be 'jp2 ' or 'jpx '."""
with warnings.catch_warnings(): with self.assertWarns(UserWarning):
warnings.simplefilter("ignore")
ftyp = glymur.jp2box.FileTypeBox(brand='jp3') ftyp = glymur.jp2box.FileTypeBox(brand='jp3')
with self.assertRaises(IOError): with self.assertRaises(IOError):
with tempfile.TemporaryFile() as tfile: with tempfile.TemporaryFile() as tfile:
ftyp.write(tfile) ftyp.write(tfile)
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
def test_cl_entry_unknown(self): def test_cl_entry_unknown(self):
"""A ftyp box cl list can only contain 'jp2 ', 'jpx ', or 'jpxb'.""" """A ftyp box cl list can only contain 'jp2 ', 'jpx ', or 'jpxb'."""
with warnings.catch_warnings(): with self.assertWarns(UserWarning):
# Bad compatibility list item. # Bad compatibility list item.
warnings.simplefilter("ignore")
ftyp = glymur.jp2box.FileTypeBox(compatibility_list=['jp3']) ftyp = glymur.jp2box.FileTypeBox(compatibility_list=['jp3'])
with self.assertRaises(IOError): with self.assertRaises(IOError):
with tempfile.TemporaryFile() as tfile: with tempfile.TemporaryFile() as tfile:
@ -479,41 +477,34 @@ class TestColourSpecificationBox(unittest.TestCase):
self.assertEqual(colr.colorspace, glymur.core.SRGB) self.assertEqual(colr.colorspace, glymur.core.SRGB)
self.assertIsNone(colr.icc_profile) self.assertIsNone(colr.icc_profile)
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
def test_colr_with_cspace_and_icc(self): def test_colr_with_cspace_and_icc(self):
"""Colour specification boxes can't have both.""" """Colour specification boxes can't have both."""
with warnings.catch_warnings(record=True) as w: regex = 'Colorspace and icc_profile cannot both be set'
warnings.simplefilter('always') with self.assertWarnsRegex(UserWarning, regex):
colorspace = glymur.core.SRGB colorspace = glymur.core.SRGB
rawb = b'\x01\x02\x03\x04' rawb = b'\x01\x02\x03\x04'
glymur.jp2box.ColourSpecificationBox(colorspace=colorspace, glymur.jp2box.ColourSpecificationBox(colorspace=colorspace,
icc_profile=rawb) icc_profile=rawb)
self.assertTrue(issubclass(w[0].category,UserWarning))
msg = 'Colorspace and icc_profile cannot both be set'
self.assertTrue(msg in str(w[0].message))
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
def test_colr_with_bad_method(self): def test_colr_with_bad_method(self):
"""colr must have a valid method field""" """colr must have a valid method field"""
colorspace = glymur.core.SRGB colorspace = glymur.core.SRGB
method = -1 method = -1
with warnings.catch_warnings(record=True) as w: regex = 'Invalid method'
warnings.simplefilter('always') with self.assertWarnsRegex(UserWarning, regex):
glymur.jp2box.ColourSpecificationBox(colorspace=colorspace, glymur.jp2box.ColourSpecificationBox(colorspace=colorspace,
method=method) method=method)
self.assertTrue(issubclass(w[0].category,UserWarning))
msg = 'Invalid method'
self.assertTrue(msg in str(w[0].message))
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
def test_colr_with_bad_approx(self): def test_colr_with_bad_approx(self):
"""colr should have a valid approximation field""" """colr should have a valid approximation field"""
colorspace = glymur.core.SRGB colorspace = glymur.core.SRGB
approx = -1 approx = -1
with warnings.catch_warnings(record=True) as w: with self.assertWarnsRegex(UserWarning, 'Invalid approximation'):
warnings.simplefilter('always')
glymur.jp2box.ColourSpecificationBox(colorspace=colorspace, glymur.jp2box.ColourSpecificationBox(colorspace=colorspace,
approximation=approx) approximation=approx)
self.assertTrue(issubclass(w[0].category,UserWarning))
msg = 'Invalid approximation'
self.assertTrue(msg in str(w[0].message))
def test_colr_with_bad_color(self): def test_colr_with_bad_color(self):
"""colr must have a valid color, strange as though that may sound.""" """colr must have a valid color, strange as though that may sound."""
@ -537,29 +528,25 @@ class TestPaletteBox(unittest.TestCase):
def tearDown(self): def tearDown(self):
pass pass
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
def test_mismatched_bitdepth_signed(self): def test_mismatched_bitdepth_signed(self):
"""bitdepth and signed arguments must have equal length""" """bitdepth and signed arguments must have equal length"""
palette = np.array([[255, 0, 255], [0, 255, 0]], dtype=np.uint8) palette = np.array([[255, 0, 255], [0, 255, 0]], dtype=np.uint8)
bps = (8, 8, 8) bps = (8, 8, 8)
signed = (False, False) signed = (False, False)
with warnings.catch_warnings(record=True) as w: with self.assertWarns(UserWarning):
warnings.simplefilter('always')
pclr = glymur.jp2box.PaletteBox(palette, bits_per_component=bps, pclr = glymur.jp2box.PaletteBox(palette, bits_per_component=bps,
signed=signed) signed=signed)
self.assertEqual(len(w), 1)
self.assertTrue(issubclass(w[0].category, UserWarning))
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
def test_mismatched_signed_palette(self): def test_mismatched_signed_palette(self):
"""bitdepth and signed arguments must have equal length""" """bitdepth and signed arguments must have equal length"""
palette = np.array([[255, 0, 255], [0, 255, 0]], dtype=np.uint8) palette = np.array([[255, 0, 255], [0, 255, 0]], dtype=np.uint8)
bps = (8, 8, 8, 8) bps = (8, 8, 8, 8)
signed = (False, False, False, False) signed = (False, False, False, False)
with warnings.catch_warnings(record=True) as w: with self.assertWarns(UserWarning):
warnings.simplefilter('always')
pclr = glymur.jp2box.PaletteBox(palette, bits_per_component=bps, pclr = glymur.jp2box.PaletteBox(palette, bits_per_component=bps,
signed=signed) signed=signed)
self.assertEqual(len(w), 1)
self.assertTrue(issubclass(w[0].category, UserWarning))
def test_writing_with_different_bitdepths(self): def test_writing_with_different_bitdepths(self):
"""Bitdepths must be the same when writing.""" """Bitdepths must be the same when writing."""
@ -1054,7 +1041,7 @@ class TestJp2Boxes(unittest.TestCase):
j.box[5].offset + 8) j.box[5].offset + 8)
class TestRepr(unittest.TestCase): class TestRepr(MetadataBase):
"""Tests for __repr__ methods.""" """Tests for __repr__ methods."""
def test_default_jp2k(self): def test_default_jp2k(self):
"""Should be able to eval a JPEG2000SignatureBox""" """Should be able to eval a JPEG2000SignatureBox"""
@ -1124,10 +1111,7 @@ class TestRepr(unittest.TestCase):
# Test the representation instantiation. # Test the representation instantiation.
newbox = eval(repr(ftyp)) newbox = eval(repr(ftyp))
self.assertTrue(isinstance(newbox, glymur.jp2box.FileTypeBox)) self.verify_filetype_box(newbox, FileTypeBox())
self.assertEqual(newbox.brand, 'jp2 ')
self.assertEqual(newbox.minor_version, 0)
self.assertEqual(newbox.compatibility_list, ['jp2 '])
def test_colourspecification_box(self): def test_colourspecification_box(self):
"""Verify __repr__ method on colr box.""" """Verify __repr__ method on colr box."""

25
glymur/test/test_jp2box_jpx.py
View file

@ -9,7 +9,6 @@ import struct
import sys import sys
import tempfile import tempfile
import unittest import unittest
import warnings
import lxml.etree as ET import lxml.etree as ET
@ -19,6 +18,8 @@ from glymur.jp2box import DataEntryURLBox, FileTypeBox, JPEG2000SignatureBox
from glymur.jp2box import DataReferenceBox, FragmentListBox, FragmentTableBox from glymur.jp2box import DataReferenceBox, FragmentListBox, FragmentTableBox
from glymur.jp2box import ColourSpecificationBox from glymur.jp2box import ColourSpecificationBox
from .fixtures import WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG
@unittest.skipIf(os.name == "nt", "Temporary file issue on window.") @unittest.skipIf(os.name == "nt", "Temporary file issue on window.")
class TestJPXWrap(unittest.TestCase): class TestJPXWrap(unittest.TestCase):
"""Test suite for wrapping JPX files.""" """Test suite for wrapping JPX files."""
@ -305,17 +306,15 @@ class TestJPXWrap(unittest.TestCase):
with self.assertRaises(IOError): with self.assertRaises(IOError):
jp2.wrap(tfile.name, boxes=boxes) jp2.wrap(tfile.name, boxes=boxes)
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
def test_deurl_child_of_dtbl(self): def test_deurl_child_of_dtbl(self):
"""Data reference boxes can only contain data entry url boxes.""" """Data reference boxes can only contain data entry url boxes."""
jp2 = Jp2k(self.jp2file) jp2 = Jp2k(self.jp2file)
boxes = [jp2.box[idx] for idx in [0, 1, 2, 4]] boxes = [jp2.box[idx] for idx in [0, 1, 2, 4]]
ftyp = glymur.jp2box.FileTypeBox() ftyp = glymur.jp2box.FileTypeBox()
with warnings.catch_warnings(record=True) as w: with self.assertWarns(UserWarning):
warnings.simplefilter('always')
dref = glymur.jp2box.DataReferenceBox([ftyp]) dref = glymur.jp2box.DataReferenceBox([ftyp])
self.assertEqual(len(w), 1)
self.assertTrue(issubclass(w[0].category, UserWarning))
# Try to get around it by appending the ftyp box after creation. # Try to get around it by appending the ftyp box after creation.
dref = glymur.jp2box.DataReferenceBox() dref = glymur.jp2box.DataReferenceBox()
@ -433,37 +432,37 @@ class TestJPX(unittest.TestCase):
def tearDown(self): def tearDown(self):
pass pass
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
def test_flst_lens_not_the_same(self): def test_flst_lens_not_the_same(self):
"""A fragment list box items must be the same length.""" """A fragment list box items must be the same length."""
offset = [89] offset = [89]
length = [1132288] length = [1132288]
reference = [0, 0] reference = [0, 0]
with warnings.catch_warnings(): with self.assertWarns(UserWarning):
warnings.simplefilter("ignore")
flst = glymur.jp2box.FragmentListBox(offset, length, reference) flst = glymur.jp2box.FragmentListBox(offset, length, reference)
with self.assertRaises(IOError): with self.assertRaises(IOError):
with tempfile.TemporaryFile() as tfile: with tempfile.TemporaryFile() as tfile:
flst.write(tfile) flst.write(tfile)
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
def test_flst_offsets_not_positive(self): def test_flst_offsets_not_positive(self):
"""A fragment list box offsets must be positive.""" """A fragment list box offsets must be positive."""
offset = [0] offset = [0]
length = [1132288] length = [1132288]
reference = [0] reference = [0]
with warnings.catch_warnings(): with self.assertWarns(UserWarning):
warnings.simplefilter("ignore")
flst = glymur.jp2box.FragmentListBox(offset, length, reference) flst = glymur.jp2box.FragmentListBox(offset, length, reference)
with self.assertRaises((IOError, OSError)): with self.assertRaises((IOError, OSError)):
with tempfile.TemporaryFile() as tfile: with tempfile.TemporaryFile() as tfile:
flst.write(tfile) flst.write(tfile)
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
def test_flst_lengths_not_positive(self): def test_flst_lengths_not_positive(self):
"""A fragment list box lengths must be positive.""" """A fragment list box lengths must be positive."""
offset = [89] offset = [89]
length = [0] length = [0]
reference = [0] reference = [0]
with warnings.catch_warnings(): with self.assertWarns(UserWarning):
warnings.simplefilter("ignore")
flst = glymur.jp2box.FragmentListBox(offset, length, reference) flst = glymur.jp2box.FragmentListBox(offset, length, reference)
with self.assertRaises(IOError): with self.assertRaises(IOError):
with tempfile.TemporaryFile() as tfile: with tempfile.TemporaryFile() as tfile:
@ -471,9 +470,7 @@ class TestJPX(unittest.TestCase):
def test_ftbl_boxes_empty(self): def test_ftbl_boxes_empty(self):
"""A fragment table box must have at least one child box.""" """A fragment table box must have at least one child box."""
with warnings.catch_warnings(): ftbl = glymur.jp2box.FragmentTableBox()
warnings.simplefilter("ignore")
ftbl = glymur.jp2box.FragmentTableBox()
with self.assertRaises(IOError): with self.assertRaises(IOError):
with tempfile.TemporaryFile() as tfile: with tempfile.TemporaryFile() as tfile:
ftbl.write(tfile) ftbl.write(tfile)

93
glymur/test/test_jp2box_uuid.py
View file

@ -17,7 +17,6 @@ import struct
import sys import sys
import tempfile import tempfile
import uuid import uuid
import warnings
if sys.hexversion < 0x02070000: if sys.hexversion < 0x02070000:
import unittest2 as unittest import unittest2 as unittest
@ -37,6 +36,8 @@ else:
import lxml.etree import lxml.etree
from .fixtures import HAS_PYTHON_XMP_TOOLKIT, OPJ_DATA_ROOT from .fixtures import HAS_PYTHON_XMP_TOOLKIT, OPJ_DATA_ROOT
from .fixtures import WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG
if HAS_PYTHON_XMP_TOOLKIT: if HAS_PYTHON_XMP_TOOLKIT:
from libxmp import XMPMeta from libxmp import XMPMeta
@ -46,8 +47,8 @@ from .fixtures import OPJ_DATA_ROOT, opj_data_file, SimpleRDF
@unittest.skipIf(os.name == "nt", "Unexplained failure on windows") @unittest.skipIf(os.name == "nt", "Unexplained failure on windows")
class TestUUIDXMP(unittest.TestCase): class TestSuite(unittest.TestCase):
"""Tests for UUIDs of XMP type.""" """Tests for XMP, Exif UUIDs."""
def setUp(self): def setUp(self):
self.jp2file = glymur.data.nemo() self.jp2file = glymur.data.nemo()
@ -55,7 +56,7 @@ class TestUUIDXMP(unittest.TestCase):
def tearDown(self): def tearDown(self):
pass pass
def test_append(self): def test_append_xmp_uuid(self):
"""Should be able to append an XMP UUID box.""" """Should be able to append an XMP UUID box."""
the_uuid = uuid.UUID('be7acfcb-97a9-42e8-9c71-999491e3afac') the_uuid = uuid.UUID('be7acfcb-97a9-42e8-9c71-999491e3afac')
raw_data = SimpleRDF.encode('utf-8') raw_data = SimpleRDF.encode('utf-8')
@ -75,9 +76,35 @@ class TestUUIDXMP(unittest.TestCase):
self.assertTrue(isinstance(jp2.box[-1].data, self.assertTrue(isinstance(jp2.box[-1].data,
lxml.etree._ElementTree)) lxml.etree._ElementTree))
def test_big_endian_exif(self):
"""Verify read of Exif big-endian IFD."""
with tempfile.NamedTemporaryFile(suffix='.jp2', mode='wb') as tfile:
with open(self.jp2file, 'rb') as ifptr:
tfile.write(ifptr.read())
# Write L, T, UUID identifier.
tfile.write(struct.pack('>I4s', 52, b'uuid'))
tfile.write(b'JpgTiffExif->JP2')
tfile.write(b'Exif\x00\x00')
xbuffer = struct.pack('>BBHI', 77, 77, 42, 8)
tfile.write(xbuffer)
# We will write just a single tag.
tfile.write(struct.pack('>H', 1))
# The "Make" tag is tag no. 271.
tfile.write(struct.pack('>HHI4s', 271, 2, 3, b'HTC\x00'))
tfile.flush()
jp2 = glymur.Jp2k(tfile.name)
self.assertEqual(jp2.box[-1].data['Make'], "HTC")
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
@unittest.skipIf(os.name == "nt", "Unexplained failure on windows") @unittest.skipIf(os.name == "nt", "Unexplained failure on windows")
class TestUUIDExif(unittest.TestCase): class TestSuiteWarns(unittest.TestCase):
"""Tests for UUIDs of Exif type.""" """Tests for XMP, Exif UUIDs, issues warnings."""
def setUp(self): def setUp(self):
self.jp2file = glymur.data.nemo() self.jp2file = glymur.data.nemo()
@ -107,12 +134,8 @@ class TestUUIDExif(unittest.TestCase):
tfile.write(struct.pack('<HHI4s', 171, 2, 3, b'HTC\x00')) tfile.write(struct.pack('<HHI4s', 171, 2, 3, b'HTC\x00'))
tfile.flush() tfile.flush()
with warnings.catch_warnings(record=True) as w: with self.assertWarnsRegex(UserWarning, 'Unrecognized Exif tag'):
warnings.simplefilter('always')
j = glymur.Jp2k(tfile.name) j = glymur.Jp2k(tfile.name)
self.assertTrue(issubclass(w[0].category, UserWarning))
msg = 'Unrecognized Exif tag'
self.assertTrue(msg in str(w[0].message))
def test_bad_tag_datatype(self): def test_bad_tag_datatype(self):
"""Only certain datatypes are allowable""" """Only certain datatypes are allowable"""
@ -136,12 +159,8 @@ class TestUUIDExif(unittest.TestCase):
tfile.write(struct.pack('<HHI4s', 271, 2000, 3, b'HTC\x00')) tfile.write(struct.pack('<HHI4s', 271, 2000, 3, b'HTC\x00'))
tfile.flush() tfile.flush()
with warnings.catch_warnings(record=True) as w: with self.assertWarnsRegex(UserWarning, 'Invalid TIFF tag'):
warnings.simplefilter('always')
j = glymur.Jp2k(tfile.name) j = glymur.Jp2k(tfile.name)
self.assertTrue(issubclass(w[0].category, UserWarning))
msg = 'Invalid TIFF tag'
self.assertTrue(msg in str(w[0].message))
self.assertEqual(j.box[-1].box_id, 'uuid') self.assertEqual(j.box[-1].box_id, 'uuid')
@ -167,45 +186,11 @@ class TestUUIDExif(unittest.TestCase):
tfile.write(struct.pack('<HHI4s', 271, 2, 3, b'HTC\x00')) tfile.write(struct.pack('<HHI4s', 271, 2, 3, b'HTC\x00'))
tfile.flush() tfile.flush()
with warnings.catch_warnings(record=True) as w: regex = 'The byte order indication in the TIFF header '
warnings.simplefilter('always') with self.assertWarnsRegex(UserWarning, regex):
j = glymur.Jp2k(tfile.name) jp2 = glymur.Jp2k(tfile.name)
self.assertTrue(issubclass(w[0].category, UserWarning))
msg = 'The byte order indication in the TIFF header '
if sys.hexversion < 0x03000000:
msg += "(JI) is invalid. "
msg += "It should be either [73, 73] or [77, 77]."
else:
msg += "(b'JI') is invalid. "
msg += "It should be either b'II' or b'MM'."
self.assertTrue(msg in str(w[0].message))
self.assertEqual(j.box[-1].box_id, 'uuid') self.assertEqual(jp2.box[-1].box_id, 'uuid')
def test_big_endian(self):
"""Verify read of big-endian IFD."""
with tempfile.NamedTemporaryFile(suffix='.jp2', mode='wb') as tfile:
with open(self.jp2file, 'rb') as ifptr:
tfile.write(ifptr.read())
# Write L, T, UUID identifier.
tfile.write(struct.pack('>I4s', 52, b'uuid'))
tfile.write(b'JpgTiffExif->JP2')
tfile.write(b'Exif\x00\x00')
xbuffer = struct.pack('>BBHI', 77, 77, 42, 8)
tfile.write(xbuffer)
# We will write just a single tag.
tfile.write(struct.pack('>H', 1))
# The "Make" tag is tag no. 271.
tfile.write(struct.pack('>HHI4s', 271, 2, 3, b'HTC\x00'))
tfile.flush()
jp2 = glymur.Jp2k(tfile.name)
self.assertEqual(jp2.box[-1].data['Make'], "HTC")
if __name__ == "__main__": if __name__ == "__main__":
unittest.main() unittest.main()

37
glymur/test/test_jp2box_xml.py
View file

@ -15,11 +15,11 @@ Test suite specifically targeting JP2 box layout.
# pylint: disable=W0613 # pylint: disable=W0613
import os import os
import re
import struct import struct
import sys import sys
import tempfile import tempfile
import unittest import unittest
import warnings
if sys.hexversion < 0x03000000: if sys.hexversion < 0x03000000:
from StringIO import StringIO from StringIO import StringIO
@ -40,6 +40,7 @@ from glymur.jp2box import FileTypeBox, ImageHeaderBox, JP2HeaderBox
from glymur.jp2box import JPEG2000SignatureBox from glymur.jp2box import JPEG2000SignatureBox
from .fixtures import OPJ_DATA_ROOT, opj_data_file from .fixtures import OPJ_DATA_ROOT, opj_data_file
from .fixtures import WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG
@unittest.skipIf(os.name == "nt", "Temporary file issue on window.") @unittest.skipIf(os.name == "nt", "Temporary file issue on window.")
class TestXML(unittest.TestCase): class TestXML(unittest.TestCase):
@ -166,7 +167,6 @@ class TestXML(unittest.TestCase):
@unittest.skipIf(os.name == "nt", "NamedTemporaryFile issue on windows")
class TestJp2kBadXmlFile(unittest.TestCase): class TestJp2kBadXmlFile(unittest.TestCase):
"""Test suite for bad XML box situations""" """Test suite for bad XML box situations"""
@ -207,14 +207,11 @@ class TestJp2kBadXmlFile(unittest.TestCase):
def tearDown(self): def tearDown(self):
pass pass
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
def test_invalid_xml_box(self): def test_invalid_xml_box(self):
"""Should be able to recover info from xml box with bad xml.""" """Should be able to recover info from xml box with bad xml."""
with warnings.catch_warnings(record=True) as w: with self.assertWarns(UserWarning):
warnings.simplefilter("always")
jp2k = Jp2k(self._bad_xml_file) jp2k = Jp2k(self._bad_xml_file)
self.assertTrue(issubclass(w[0].category, UserWarning))
msg = 'No XML was retrieved'
self.assertTrue(msg in str(w[0].message))
self.assertEqual(jp2k.box[3].box_id, 'xml ') self.assertEqual(jp2k.box[3].box_id, 'xml ')
self.assertEqual(jp2k.box[3].offset, 77) self.assertEqual(jp2k.box[3].offset, 77)
@ -263,19 +260,17 @@ class TestBadButRecoverableXmlFile(unittest.TestCase):
def tearDownClass(cls): def tearDownClass(cls):
os.unlink(cls._bad_xml_file) os.unlink(cls._bad_xml_file)
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
def test_bad_xml_box_warning(self): def test_bad_xml_box_warning(self):
"""Should warn in case of bad XML""" """Should warn in case of bad XML"""
with warnings.catch_warnings(record=True) as w: regex = 'A UnicodeDecodeError was encountered parsing an XML box'
warnings.simplefilter('always') with self.assertWarnsRegex(UserWarning, regex):
Jp2k(self._bad_xml_file) Jp2k(self._bad_xml_file)
self.assertTrue(issubclass(w[0].category, UserWarning))
msg = 'A UnicodeDecodeError was encountered parsing an XML box'
self.assertTrue(msg in str(w[0].message))
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
def test_recover_from_bad_xml(self): def test_recover_from_bad_xml(self):
"""Should be able to recover info from xml box with bad xml.""" """Should be able to recover info from xml box with bad xml."""
with warnings.catch_warnings(): with self.assertWarns(UserWarning):
warnings.simplefilter("ignore")
jp2 = Jp2k(self._bad_xml_file) jp2 = Jp2k(self._bad_xml_file)
self.assertEqual(jp2.box[3].box_id, 'xml ') self.assertEqual(jp2.box[3].box_id, 'xml ')
@ -285,23 +280,21 @@ class TestBadButRecoverableXmlFile(unittest.TestCase):
b'<test>this is a test</test>') b'<test>this is a test</test>')
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
@unittest.skipIf(OPJ_DATA_ROOT is None, @unittest.skipIf(OPJ_DATA_ROOT is None,
"OPJ_DATA_ROOT environment variable not set") "OPJ_DATA_ROOT environment variable not set")
class TestXML_OpjDataRoot(unittest.TestCase): class TestXML_OpjDataRoot(unittest.TestCase):
"""Test suite for XML boxes, requires OPJ_DATA_ROOT.""" """Test suite for XML boxes, requires OPJ_DATA_ROOT."""
@unittest.skipIf(sys.platform.startswith('linux'), 'Failing on linux')
def test_bom(self): def test_bom(self):
"""Byte order markers are illegal in UTF-8. Issue 185""" """Byte order markers are illegal in UTF-8. Issue 185"""
filename = opj_data_file(os.path.join('input', filename = opj_data_file(os.path.join('input',
'nonregression', 'nonregression',
'issue171.jp2')) 'issue171.jp2'))
with warnings.catch_warnings(record=True) as w: msg = 'An illegal BOM \(byte order marker\) was detected and removed '
warnings.simplefilter("always") msg += 'from the XML contents in the box starting at byte offset \d+'
with self.assertWarnsRegex(UserWarning, re.compile(msg)):
jp2 = Jp2k(filename) jp2 = Jp2k(filename)
self.assertTrue(issubclass(w[0].category, UserWarning))
msg = 'An illegal BOM (byte order marker) was detected and removed'
self.assertTrue(msg in str(w[0].message))
self.assertIsNotNone(jp2.box[3].xml) self.assertIsNotNone(jp2.box[3].xml)
@ -311,10 +304,8 @@ class TestXML_OpjDataRoot(unittest.TestCase):
filename = opj_data_file(os.path.join('input', filename = opj_data_file(os.path.join('input',
'nonregression', 'nonregression',
'26ccf3651020967f7778238ef5af08af.SIGFPE.d25.527.jp2')) '26ccf3651020967f7778238ef5af08af.SIGFPE.d25.527.jp2'))
with warnings.catch_warnings(record=True) as w: with self.assertWarns((UserWarning, UserWarning)):
warnings.simplefilter("always")
jp2 = Jp2k(filename) jp2 = Jp2k(filename)
self.assertTrue(issubclass(w[0].category, UserWarning))
self.assertIsNone(jp2.box[3].box[1].box[1].xml) self.assertIsNone(jp2.box[3].box[1].box[1].xml)

119
glymur/test/test_jp2k.py
View file

@ -21,8 +21,6 @@ import unittest
import uuid import uuid
from xml.etree import cElementTree as ET from xml.etree import cElementTree as ET
import warnings
import numpy as np import numpy as np
import pkg_resources import pkg_resources
@ -30,6 +28,8 @@ import glymur
from glymur import Jp2k from glymur import Jp2k
from .fixtures import HAS_PYTHON_XMP_TOOLKIT from .fixtures import HAS_PYTHON_XMP_TOOLKIT
from .fixtures import WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG
if HAS_PYTHON_XMP_TOOLKIT: if HAS_PYTHON_XMP_TOOLKIT:
import libxmp import libxmp
from libxmp import XMPMeta from libxmp import XMPMeta
@ -52,7 +52,7 @@ def load_tests(loader, tests, ignore):
return tests return tests
class TestSliceProtocol(unittest.TestCase): class SliceProtocolBase(unittest.TestCase):
""" """
Test slice protocol, i.e. when using [ ] to read image data. Test slice protocol, i.e. when using [ ] to read image data.
""" """
@ -65,6 +65,65 @@ class TestSliceProtocol(unittest.TestCase):
self.j2k = Jp2k(glymur.data.goodstuff()) self.j2k = Jp2k(glymur.data.goodstuff())
self.j2k_data = self.j2k.read() self.j2k_data = self.j2k.read()
@unittest.skipIf(os.name == "nt", "NamedTemporaryFile issue on windows")
class TestSliceProtocolBaseWrite(SliceProtocolBase):
def test_basic_write(self):
expected = self.j2k_data
with tempfile.NamedTemporaryFile(suffix='.j2k') as tfile:
j = Jp2k(tfile.name, 'wb')
j[:] = self.j2k_data
actual = j.read()
np.testing.assert_array_equal(actual, expected)
def test_cannot_write_with_non_default_single_slice(self):
with tempfile.NamedTemporaryFile(suffix='.j2k') as tfile:
j = Jp2k(tfile.name, 'wb')
with self.assertRaises(TypeError):
j[slice(None, 0)] = self.j2k_data
with self.assertRaises(TypeError):
j[slice(0, None)] = self.j2k_data
with self.assertRaises(TypeError):
j[slice(0, 0, None)] = self.j2k_data
with self.assertRaises(TypeError):
j[slice(0, 640)] = self.j2k_data
def test_cannot_write_a_row(self):
with tempfile.NamedTemporaryFile(suffix='.j2k') as tfile:
j = Jp2k(tfile.name, 'wb')
with self.assertRaises(TypeError):
j[5] = self.j2k_data
def test_cannot_write_a_pixel(self):
with tempfile.NamedTemporaryFile(suffix='.j2k') as tfile:
j = Jp2k(tfile.name, 'wb')
with self.assertRaises(TypeError):
j[25, 35] = self.j2k_data[25, 35]
def test_cannot_write_a_column(self):
with tempfile.NamedTemporaryFile(suffix='.j2k') as tfile:
j = Jp2k(tfile.name, 'wb')
with self.assertRaises(TypeError):
j[:, 25, :] = self.j2k_data[:, :25, :]
def test_cannot_write_a_band(self):
with tempfile.NamedTemporaryFile(suffix='.j2k') as tfile:
j = Jp2k(tfile.name, 'wb')
with self.assertRaises(TypeError):
j[:, :, 0] = self.j2k_data[:, :, 0]
def test_cannot_write_a_subarray(self):
with tempfile.NamedTemporaryFile(suffix='.j2k') as tfile:
j = Jp2k(tfile.name, 'wb')
with self.assertRaises(TypeError):
j[:25, :45, :] = self.j2k_data[:25, :25, :]
class TestSliceProtocolRead(SliceProtocolBase):
def test_resolution_strides_cannot_differ(self): def test_resolution_strides_cannot_differ(self):
with self.assertRaises(IndexError): with self.assertRaises(IndexError):
# Strides in x/y directions cannot differ. # Strides in x/y directions cannot differ.
@ -1020,6 +1079,7 @@ class TestJp2k_2_1(unittest.TestCase):
self.assertEqual(j.box[2].box[0].num_components, 4) self.assertEqual(j.box[2].box[0].num_components, 4)
self.assertEqual(j.box[2].box[1].colorspace, glymur.core.SRGB) self.assertEqual(j.box[2].box[1].colorspace, glymur.core.SRGB)
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
@unittest.skipIf(os.name == "nt", "NamedTemporaryFile issue on windows") @unittest.skipIf(os.name == "nt", "NamedTemporaryFile issue on windows")
def test_openjpeg_library_message(self): def test_openjpeg_library_message(self):
"""Verify the error message produced by the openjpeg library""" """Verify the error message produced by the openjpeg library"""
@ -1044,8 +1104,7 @@ class TestJp2k_2_1(unittest.TestCase):
tfile.write(data[offset+59:]) tfile.write(data[offset+59:])
#tfile.write(data[3186:]) #tfile.write(data[3186:])
tfile.flush() tfile.flush()
with warnings.catch_warnings(): with self.assertWarns(UserWarning):
warnings.simplefilter("ignore")
j = Jp2k(tfile.name) j = Jp2k(tfile.name)
regexp = re.compile(r'''OpenJPEG\slibrary\serror:\s+ regexp = re.compile(r'''OpenJPEG\slibrary\serror:\s+
Invalid\svalues\sfor\scomp\s=\s0\s+ Invalid\svalues\sfor\scomp\s=\s0\s+
@ -1069,21 +1128,16 @@ class TestParsing(unittest.TestCase):
def tearDown(self): def tearDown(self):
pass pass
@unittest.skipIf(sys.platform.startswith('linux'), 'Failing on linux') @unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
def test_bad_rsiz(self): def test_bad_rsiz(self):
"""Should not warn if RSIZ when parsing is turned off.""" """Should not warn if RSIZ when parsing is turned off."""
# Actually there are three warning triggered by this codestream.
filename = opj_data_file('input/nonregression/edf_c2_1002767.jp2') filename = opj_data_file('input/nonregression/edf_c2_1002767.jp2')
glymur.set_parseoptions(codestream=False) glymur.set_parseoptions(codestream=False)
with warnings.catch_warnings(record=True) as w: j = Jp2k(filename)
j = Jp2k(filename)
self.assertEqual(len(w), 0)
glymur.set_parseoptions(codestream=True) glymur.set_parseoptions(codestream=True)
with warnings.catch_warnings(record=True) as w: with self.assertWarnsRegex(UserWarning, 'Invalid profile'):
jp2 = Jp2k(filename) jp2 = Jp2k(filename)
self.assertTrue(issubclass(w[0].category, UserWarning))
self.assertTrue('Invalid profile' in str(w[0].message))
def test_main_header(self): def test_main_header(self):
"""Verify that the main header is not loaded when parsing turned off.""" """Verify that the main header is not loaded when parsing turned off."""
@ -1095,6 +1149,7 @@ class TestParsing(unittest.TestCase):
main_header = jp2c.main_header main_header = jp2c.main_header
self.assertIsNotNone(jp2c._main_header) self.assertIsNotNone(jp2c._main_header)
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
@unittest.skipIf(OPJ_DATA_ROOT is None, @unittest.skipIf(OPJ_DATA_ROOT is None,
"OPJ_DATA_ROOT environment variable not set") "OPJ_DATA_ROOT environment variable not set")
class TestJp2kOpjDataRootWarnings(unittest.TestCase): class TestJp2kOpjDataRootWarnings(unittest.TestCase):
@ -1103,11 +1158,8 @@ class TestJp2kOpjDataRootWarnings(unittest.TestCase):
def test_undecodeable_box_id(self): def test_undecodeable_box_id(self):
"""Should warn in case of undecodeable box ID but not error out.""" """Should warn in case of undecodeable box ID but not error out."""
filename = opj_data_file('input/nonregression/edf_c2_1013627.jp2') filename = opj_data_file('input/nonregression/edf_c2_1013627.jp2')
with warnings.catch_warnings(record=True) as w: with self.assertWarnsRegex(UserWarning, 'Unrecognized box'):
warnings.simplefilter('always')
jp2 = Jp2k(filename) jp2 = Jp2k(filename)
self.assertTrue(issubclass(w[0].category, UserWarning))
self.assertTrue('Unrecognized box' in str(w[0].message))
# Now make sure we got all of the boxes. Ignore the last, which was # Now make sure we got all of the boxes. Ignore the last, which was
# bad. # bad.
@ -1117,37 +1169,30 @@ class TestJp2kOpjDataRootWarnings(unittest.TestCase):
def test_bad_ftyp_brand(self): def test_bad_ftyp_brand(self):
"""Should warn in case of bad ftyp brand.""" """Should warn in case of bad ftyp brand."""
filename = opj_data_file('input/nonregression/edf_c2_1000290.jp2') filename = opj_data_file('input/nonregression/edf_c2_1000290.jp2')
with warnings.catch_warnings(record=True) as w: with self.assertWarns(UserWarning):
warnings.simplefilter('always')
jp2 = Jp2k(filename) jp2 = Jp2k(filename)
self.assertTrue(issubclass(w[0].category, UserWarning))
def test_invalid_approximation(self): def test_invalid_approximation(self):
"""Should warn in case of invalid approximation.""" """Should warn in case of invalid approximation."""
filename = opj_data_file('input/nonregression/edf_c2_1015644.jp2') filename = opj_data_file('input/nonregression/edf_c2_1015644.jp2')
with warnings.catch_warnings(record=True) as w: with self.assertWarnsRegex(UserWarning, 'Invalid approximation'):
warnings.simplefilter('always')
jp2 = Jp2k(filename) jp2 = Jp2k(filename)
self.assertTrue(issubclass(w[0].category, UserWarning))
self.assertTrue('Invalid approximation' in str(w[0].message))
@unittest.skipIf(sys.platform.startswith('linux'), 'Failing on linux')
def test_invalid_colorspace(self): def test_invalid_colorspace(self):
"""Should warn in case of invalid colorspace.""" """
Should warn in case of invalid colorspace.
There are multiple warnings, so there's no good way to regex them all.
"""
filename = opj_data_file('input/nonregression/edf_c2_1103421.jp2') filename = opj_data_file('input/nonregression/edf_c2_1103421.jp2')
with warnings.catch_warnings(record=True) as w: with self.assertWarns(UserWarning):
warnings.simplefilter('always')
jp2 = Jp2k(filename) jp2 = Jp2k(filename)
self.assertTrue(issubclass(w[1].category, UserWarning))
self.assertTrue('Unrecognized colorspace' in str(w[1].message))
def test_stupid_windows_eol_at_end(self): def test_stupid_windows_eol_at_end(self):
"""Garbage characters at the end of the file.""" """Garbage characters at the end of the file."""
filename = opj_data_file('input/nonregression/issue211.jp2') filename = opj_data_file('input/nonregression/issue211.jp2')
with warnings.catch_warnings(record=True) as w: with self.assertWarns(UserWarning):
warnings.simplefilter('always')
jp2 = Jp2k(filename) jp2 = Jp2k(filename)
self.assertTrue(issubclass(w[1].category, UserWarning))
@unittest.skipIf(OPJ_DATA_ROOT is None, @unittest.skipIf(OPJ_DATA_ROOT is None,
@ -1172,10 +1217,12 @@ class TestJp2kOpjDataRoot(unittest.TestCase):
actdata = j.read() actdata = j.read()
self.assertTrue(fixtures.mse(actdata, expdata) < 250) self.assertTrue(fixtures.mse(actdata, expdata) < 250)
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
def test_no_cxform_pclr_jp2(self): def test_no_cxform_pclr_jp2(self):
"""Indices for pclr jpxfile if no color transform""" """Indices for pclr jpxfile if no color transform"""
filename = opj_data_file('input/conformance/file9.jp2') filename = opj_data_file('input/conformance/file9.jp2')
j = Jp2k(filename) with self.assertWarns(UserWarning):
j = Jp2k(filename)
rgb = j.read() rgb = j.read()
idx = j.read(ignore_pclr_cmap_cdef=True) idx = j.read(ignore_pclr_cmap_cdef=True)
self.assertEqual(rgb.shape, (512, 768, 3)) self.assertEqual(rgb.shape, (512, 768, 3))
@ -1201,14 +1248,14 @@ class TestJp2kOpjDataRoot(unittest.TestCase):
with self.assertRaises(RuntimeError): with self.assertRaises(RuntimeError):
j.read() j.read()
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
def test_no_cxform_cmap(self): def test_no_cxform_cmap(self):
"""Bands as physically ordered, not as physically intended""" """Bands as physically ordered, not as physically intended"""
# This file has the components physically reversed. The cmap box # This file has the components physically reversed. The cmap box
# tells the decoder how to order them, but this flag prevents that. # tells the decoder how to order them, but this flag prevents that.
filename = opj_data_file('input/conformance/file2.jp2') filename = opj_data_file('input/conformance/file2.jp2')
with warnings.catch_warnings(): with self.assertWarns(UserWarning):
# The file has a bad compatibility list entry. Not important here. # The file has a bad compatibility list entry. Not important here.
warnings.simplefilter("ignore")
j = Jp2k(filename) j = Jp2k(filename)
ycbcr = j.read() ycbcr = j.read()
crcby = j.read(ignore_pclr_cmap_cdef=True) crcby = j.read(ignore_pclr_cmap_cdef=True)

420
glymur/test/test_opj_suite.py
View file

@ -31,20 +31,19 @@ import re
import sys import sys
import unittest import unittest
import warnings
import numpy as np import numpy as np
from glymur import Jp2k
import glymur import glymur
from glymur import Jp2k
from glymur.jp2box import FileTypeBox, ImageHeaderBox, ColourSpecificationBox
from .fixtures import OPJ_DATA_ROOT from .fixtures import (
from .fixtures import mse, peak_tolerance, read_pgx, opj_data_file OPJ_DATA_ROOT, MetadataBase,
WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG,
mse, peak_tolerance, read_pgx, opj_data_file
)
@unittest.skipIf(glymur.lib.openjp2.OPENJP2 is None and
glymur.lib.openjpeg.OPENJPEG is None,
"Missing openjpeg libraries.")
@unittest.skipIf(OPJ_DATA_ROOT is None, @unittest.skipIf(OPJ_DATA_ROOT is None,
"OPJ_DATA_ROOT environment variable not set") "OPJ_DATA_ROOT environment variable not set")
class TestSuite(unittest.TestCase): class TestSuite(unittest.TestCase):
@ -204,197 +203,6 @@ class TestSuite(unittest.TestCase):
self.assertTrue(peak_tolerance(jpdata, pgxdata) < 624) self.assertTrue(peak_tolerance(jpdata, pgxdata) < 624)
self.assertTrue(mse(jpdata, pgxdata) < 3080) self.assertTrue(mse(jpdata, pgxdata) < 3080)
def test_ETS_JP2_file1(self):
jfile = opj_data_file('input/conformance/file1.jp2')
with warnings.catch_warnings():
# Bad compatibility list item.
warnings.simplefilter("ignore")
jp2k = Jp2k(jfile)
jpdata = jp2k.read()
self.assertEqual(jpdata.shape, (512, 768, 3))
def test_ETS_JP2_file2(self):
jfile = opj_data_file('input/conformance/file2.jp2')
jp2k = Jp2k(jfile)
jpdata = jp2k.read()
self.assertEqual(jpdata.shape, (640, 480, 3))
@unittest.skipIf(glymur.version.openjpeg_version_tuple[0] < 2,
"Functionality not implemented for 1.x")
def test_ETS_JP2_file3(self):
jfile = opj_data_file('input/conformance/file3.jp2')
jp2k = Jp2k(jfile)
jpdata = jp2k.read_bands()
self.assertEqual(jpdata[0].shape, (640, 480))
self.assertEqual(jpdata[1].shape, (320, 240))
self.assertEqual(jpdata[2].shape, (320, 240))
def test_ETS_JP2_file4(self):
jfile = opj_data_file('input/conformance/file4.jp2')
jp2k = Jp2k(jfile)
jpdata = jp2k.read()
self.assertEqual(jpdata.shape, (512, 768))
def test_ETS_JP2_file5(self):
jfile = opj_data_file('input/conformance/file5.jp2')
with warnings.catch_warnings():
# There's a warning for an unknown compatibility entry.
# Ignore it here.
warnings.simplefilter("ignore")
jp2k = Jp2k(jfile)
jpdata = jp2k.read()
self.assertEqual(jpdata.shape, (512, 768, 3))
def test_ETS_JP2_file6(self):
jfile = opj_data_file('input/conformance/file6.jp2')
jp2k = Jp2k(jfile)
jpdata = jp2k.read()
self.assertEqual(jpdata.shape, (512, 768))
def test_ETS_JP2_file7(self):
jfile = opj_data_file('input/conformance/file7.jp2')
jp2k = Jp2k(jfile)
jpdata = jp2k.read()
self.assertEqual(jpdata.shape, (640, 480, 3))
def test_ETS_JP2_file8(self):
jfile = opj_data_file('input/conformance/file8.jp2')
jp2k = Jp2k(jfile)
jpdata = jp2k.read()
self.assertEqual(jpdata.shape, (400, 700))
def test_ETS_JP2_file9(self):
jfile = opj_data_file('input/conformance/file9.jp2')
jp2k = Jp2k(jfile)
jpdata = jp2k.read()
self.assertEqual(jpdata.shape, (512, 768, 3))
def test_NR_broken_jp2_dump(self):
jfile = opj_data_file('input/nonregression/broken.jp2')
with warnings.catch_warnings():
# colr box has bad length.
warnings.simplefilter("ignore")
jp2 = Jp2k(jfile)
ids = [box.box_id for box in jp2.box]
self.assertEqual(ids, ['jP ', 'ftyp', 'jp2h', 'jp2c'])
ids = [box.box_id for box in jp2.box[2].box]
self.assertEqual(ids, ['ihdr', 'colr'])
# Signature box. Check for corruption.
self.assertEqual(jp2.box[0].signature, (13, 10, 135, 10))
# File type box.
self.assertEqual(jp2.box[1].brand, 'jp2 ')
self.assertEqual(jp2.box[1].minor_version, 0)
self.assertEqual(jp2.box[1].compatibility_list[0], 'jp2 ')
# Jp2 Header
# Image header
self.assertEqual(jp2.box[2].box[0].height, 152)
self.assertEqual(jp2.box[2].box[0].width, 203)
self.assertEqual(jp2.box[2].box[0].num_components, 3)
self.assertEqual(jp2.box[2].box[0].bits_per_component, 8)
self.assertEqual(jp2.box[2].box[0].signed, False)
self.assertEqual(jp2.box[2].box[0].compression, 7) # wavelet
self.assertEqual(jp2.box[2].box[0].colorspace_unknown, False)
self.assertEqual(jp2.box[2].box[0].ip_provided, False)
# Jp2 Header
# Colour specification
self.assertEqual(jp2.box[2].box[1].method,
glymur.core.ENUMERATED_COLORSPACE)
self.assertEqual(jp2.box[2].box[1].precedence, 0)
self.assertEqual(jp2.box[2].box[1].approximation, 0) # not allowed?
self.assertEqual(jp2.box[2].box[1].colorspace, glymur.core.SRGB)
c = jp2.box[3].main_header
ids = [x.marker_id for x in c.segment]
expected = ['SOC', 'SIZ', 'CME', 'COD', 'QCD', 'QCC', 'QCC']
self.assertEqual(ids, expected)
# SIZ: Image and tile size
# Profile:
self.assertEqual(c.segment[1].rsiz, 0)
# Reference grid size
self.assertEqual(c.segment[1].xsiz, 203)
self.assertEqual(c.segment[1].ysiz, 152)
# Reference grid offset
self.assertEqual((c.segment[1].xosiz, c.segment[1].yosiz), (0, 0))
# Tile size
self.assertEqual((c.segment[1].xtsiz, c.segment[1].ytsiz), (203, 152))
# Tile offset
self.assertEqual((c.segment[1].xtosiz, c.segment[1].ytosiz), (0, 0))
# bitdepth
self.assertEqual(c.segment[1].bitdepth, (8, 8, 8))
# signed
self.assertEqual(c.segment[1].signed, (False, False, False))
# subsampling
self.assertEqual(list(zip(c.segment[1].xrsiz, c.segment[1].yrsiz)),
[(1, 1)] * 3)
# COM: comment
# Registration
self.assertEqual(c.segment[2].rcme, glymur.core.RCME_ISO_8859_1)
# Comment value
self.assertEqual(c.segment[2].ccme.decode('latin-1'),
"Creator: JasPer Version 1.701.0")
# COD: Coding style default
self.assertFalse(c.segment[3].scod & 2) # no sop
self.assertFalse(c.segment[3].scod & 4) # no eph
self.assertEqual(c.segment[3].spcod[0], glymur.core.LRCP)
self.assertEqual(c.segment[3].layers, 1) # layers = 1
self.assertEqual(c.segment[3].spcod[3], 1) # mct
self.assertEqual(c.segment[3].spcod[4], 5) # level
self.assertEqual(tuple(c.segment[3].code_block_size),
(64, 64)) # cblk
# Selective arithmetic coding bypass
self.assertFalse(c.segment[3].spcod[7] & 0x01)
# Reset context probabilities
self.assertFalse(c.segment[3].spcod[7] & 0x02)
# Termination on each coding pass
self.assertFalse(c.segment[3].spcod[7] & 0x04)
# Vertically causal context
self.assertFalse(c.segment[3].spcod[7] & 0x08)
# Predictable termination
self.assertFalse(c.segment[3].spcod[7] & 0x0010)
# Segmentation symbols
self.assertFalse(c.segment[3].spcod[7] & 0x0020)
self.assertEqual(c.segment[3].spcod[8],
glymur.core.WAVELET_XFORM_5X3_REVERSIBLE)
self.assertEqual(len(c.segment[3].spcod), 9)
# QCD: Quantization default
self.assertEqual(c.segment[4].sqcd & 0x1f, 0)
self.assertEqual(c.segment[4].guard_bits, 2)
self.assertEqual(c.segment[4].mantissa, [0] * 16)
self.assertEqual(c.segment[4].exponent,
[8] + [9, 9, 10] * 5)
# QCC: Quantization component
# associated component
self.assertEqual(c.segment[5].cqcc, 1)
self.assertEqual(c.segment[5].guard_bits, 2)
# quantization type
self.assertEqual(c.segment[5].sqcc & 0x1f, 0) # none
self.assertEqual(c.segment[5].mantissa, [0] * 16)
self.assertEqual(c.segment[5].exponent,
[8] + [9, 9, 10] * 5)
# QCC: Quantization component
# associated component
self.assertEqual(c.segment[6].cqcc, 2)
self.assertEqual(c.segment[6].guard_bits, 2)
# quantization type
self.assertEqual(c.segment[6].sqcc & 0x1f, 0) # none
self.assertEqual(c.segment[6].mantissa, [0] * 16)
self.assertEqual(c.segment[6].exponent,
[8] + [9, 9, 10] * 5)
def test_NR_DEC_Bretagne2_j2k_1_decode(self): def test_NR_DEC_Bretagne2_j2k_1_decode(self):
jfile = opj_data_file('input/nonregression/Bretagne2.j2k') jfile = opj_data_file('input/nonregression/Bretagne2.j2k')
jp2 = Jp2k(jfile) jp2 = Jp2k(jfile)
@ -474,19 +282,6 @@ class TestSuite(unittest.TestCase):
Jp2k(jfile).read() Jp2k(jfile).read()
self.assertTrue(True) self.assertTrue(True)
def test_NR_DEC_orb_blue_lin_jp2_25_decode(self):
jfile = opj_data_file('input/nonregression/orb-blue10-lin-jp2.jp2')
with warnings.catch_warnings():
# This file has an invalid ICC profile
warnings.simplefilter("ignore")
Jp2k(jfile).read()
self.assertTrue(True)
def test_NR_DEC_orb_blue_win_jp2_26_decode(self):
jfile = opj_data_file('input/nonregression/orb-blue10-win-jp2.jp2')
Jp2k(jfile).read()
self.assertTrue(True)
def test_NR_DEC_relax_jp2_27_decode(self): def test_NR_DEC_relax_jp2_27_decode(self):
jfile = opj_data_file('input/nonregression/relax.jp2') jfile = opj_data_file('input/nonregression/relax.jp2')
Jp2k(jfile).read() Jp2k(jfile).read()
@ -503,15 +298,194 @@ class TestSuite(unittest.TestCase):
self.assertTrue(True) self.assertTrue(True)
@unittest.skipIf(OPJ_DATA_ROOT is None,
"OPJ_DATA_ROOT environment variable not set")
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
class TestSuiteWarns(MetadataBase):
"""
Identical setup to above, but these tests issue warnings.
"""
def setUp(self):
pass
def tearDown(self):
pass
def test_ETS_JP2_file1(self):
jfile = opj_data_file('input/conformance/file1.jp2')
with self.assertWarns(UserWarning):
# Bad compatibility list item.
jp2k = Jp2k(jfile)
jpdata = jp2k.read()
self.assertEqual(jpdata.shape, (512, 768, 3))
def test_ETS_JP2_file2(self):
jfile = opj_data_file('input/conformance/file2.jp2')
with self.assertWarns(UserWarning):
jp2k = Jp2k(jfile)
jpdata = jp2k.read()
self.assertEqual(jpdata.shape, (640, 480, 3))
@unittest.skipIf(glymur.version.openjpeg_version_tuple[0] < 2,
"Functionality not implemented for 1.x")
def test_ETS_JP2_file3(self):
jfile = opj_data_file('input/conformance/file3.jp2')
with self.assertWarns(UserWarning):
jp2k = Jp2k(jfile)
jpdata = jp2k.read_bands()
self.assertEqual(jpdata[0].shape, (640, 480))
self.assertEqual(jpdata[1].shape, (320, 240))
self.assertEqual(jpdata[2].shape, (320, 240))
def test_ETS_JP2_file4(self):
jfile = opj_data_file('input/conformance/file4.jp2')
with self.assertWarns(UserWarning):
jp2k = Jp2k(jfile)
jpdata = jp2k.read()
self.assertEqual(jpdata.shape, (512, 768))
def test_ETS_JP2_file5(self):
jfile = opj_data_file('input/conformance/file5.jp2')
with self.assertWarns(UserWarning):
# There's a warning for an unknown compatibility entry.
# Ignore it here.
jp2k = Jp2k(jfile)
jpdata = jp2k.read()
self.assertEqual(jpdata.shape, (512, 768, 3))
def test_ETS_JP2_file6(self):
jfile = opj_data_file('input/conformance/file6.jp2')
with self.assertWarns(UserWarning):
jp2k = Jp2k(jfile)
jpdata = jp2k.read()
self.assertEqual(jpdata.shape, (512, 768))
def test_ETS_JP2_file7(self):
jfile = opj_data_file('input/conformance/file7.jp2')
with self.assertWarns(UserWarning):
jp2k = Jp2k(jfile)
jpdata = jp2k.read()
self.assertEqual(jpdata.shape, (640, 480, 3))
def test_ETS_JP2_file8(self):
jfile = opj_data_file('input/conformance/file8.jp2')
with self.assertWarns(UserWarning):
jp2k = Jp2k(jfile)
jpdata = jp2k.read()
self.assertEqual(jpdata.shape, (400, 700))
def test_ETS_JP2_file9(self):
jfile = opj_data_file('input/conformance/file9.jp2')
with self.assertWarns(UserWarning):
jp2k = Jp2k(jfile)
jpdata = jp2k.read()
self.assertEqual(jpdata.shape, (512, 768, 3))
def test_NR_broken_jp2_dump(self):
jfile = opj_data_file('input/nonregression/broken.jp2')
with self.assertWarns(UserWarning):
# colr box has bad length.
jp2 = Jp2k(jfile)
ids = [box.box_id for box in jp2.box]
self.assertEqual(ids, ['jP ', 'ftyp', 'jp2h', 'jp2c'])
ids = [box.box_id for box in jp2.box[2].box]
self.assertEqual(ids, ['ihdr', 'colr'])
# Signature box. Check for corruption.
self.assertEqual(jp2.box[0].signature, (13, 10, 135, 10))
self.verify_filetype_box(jp2.box[1], FileTypeBox())
expected = ImageHeaderBox(152, 203, num_components=3)
self.verifyImageHeaderBox(jp2.box[2].box[0], expected)
expected = ColourSpecificationBox(colorspace=glymur.core.SRGB)
self.verifyColourSpecificationBox(jp2.box[2].box[1], expected)
c = jp2.box[3].main_header
ids = [x.marker_id for x in c.segment]
expected = ['SOC', 'SIZ', 'CME', 'COD', 'QCD', 'QCC', 'QCC']
self.assertEqual(ids, expected)
kwargs = {'rsiz': 0, 'xysiz': (203, 152), 'xyosiz': (0, 0),
'xytsiz': (203, 152), 'xytosiz': (0, 0), 'bitdepth': (8, 8, 8),
'signed': (False, False, False),
'xyrsiz': [(1, 1, 1), (1, 1, 1)]}
self.verifySizSegment(c.segment[1],
glymur.codestream.SIZsegment(**kwargs))
pargs = (glymur.core.RCME_ISO_8859_1,
"Creator: JasPer Version 1.701.0".encode())
self.verifyCMEsegment(c.segment[2],
glymur.codestream.CMEsegment(*pargs))
# COD: Coding style default
self.assertFalse(c.segment[3].scod & 2) # no sop
self.assertFalse(c.segment[3].scod & 4) # no eph
self.assertEqual(c.segment[3].spcod[0], glymur.core.LRCP)
self.assertEqual(c.segment[3].layers, 1) # layers = 1
self.assertEqual(c.segment[3].spcod[3], 1) # mct
self.assertEqual(c.segment[3].spcod[4], 5) # level
self.assertEqual(tuple(c.segment[3].code_block_size),
(64, 64)) # cblk
self.verify_codeblock_style(c.segment[3].spcod[7],
[False, False, False, False, False, False])
self.assertEqual(c.segment[3].spcod[8],
glymur.core.WAVELET_XFORM_5X3_REVERSIBLE)
self.assertEqual(len(c.segment[3].spcod), 9)
# QCD: Quantization default
self.assertEqual(c.segment[4].sqcd & 0x1f, 0)
self.assertEqual(c.segment[4].guard_bits, 2)
self.assertEqual(c.segment[4].mantissa, [0] * 16)
self.assertEqual(c.segment[4].exponent,
[8] + [9, 9, 10] * 5)
# QCC: Quantization component
# associated component
self.assertEqual(c.segment[5].cqcc, 1)
self.assertEqual(c.segment[5].guard_bits, 2)
# quantization type
self.assertEqual(c.segment[5].sqcc & 0x1f, 0) # none
self.assertEqual(c.segment[5].mantissa, [0] * 16)
self.assertEqual(c.segment[5].exponent,
[8] + [9, 9, 10] * 5)
# QCC: Quantization component
# associated component
self.assertEqual(c.segment[6].cqcc, 2)
self.assertEqual(c.segment[6].guard_bits, 2)
# quantization type
self.assertEqual(c.segment[6].sqcc & 0x1f, 0) # none
self.assertEqual(c.segment[6].mantissa, [0] * 16)
self.assertEqual(c.segment[6].exponent,
[8] + [9, 9, 10] * 5)
def test_NR_DEC_orb_blue_lin_jp2_25_decode(self):
jfile = opj_data_file('input/nonregression/orb-blue10-lin-jp2.jp2')
with self.assertWarns(UserWarning):
# This file has an invalid ICC profile
Jp2k(jfile).read()
self.assertTrue(True)
def test_NR_DEC_orb_blue_win_jp2_26_decode(self):
jfile = opj_data_file('input/nonregression/orb-blue10-win-jp2.jp2')
with self.assertWarns(UserWarning):
Jp2k(jfile).read()
self.assertTrue(True)
@unittest.skipIf(OPJ_DATA_ROOT is None, @unittest.skipIf(OPJ_DATA_ROOT is None,
"OPJ_DATA_ROOT environment variable not set") "OPJ_DATA_ROOT environment variable not set")
@unittest.skipIf(glymur.version.openjpeg_version_tuple[0] == 1, @unittest.skipIf(glymur.version.openjpeg_version_tuple[0] == 1,
"Feature not supported in glymur until openjpeg 2.0") "Feature not supported in glymur until openjpeg 2.0")
class TestSuite_bands(unittest.TestCase): class TestSuiteBands(unittest.TestCase):
"""Runs tests introduced in version 1.x but only pass in glymur with 2.0 """
Test the read_bands method.
The deal here is that the feature works with 1.x, but glymur only supports
it with version 2.0.
""" """
def setUp(self): def setUp(self):
@ -630,34 +604,34 @@ class TestSuite2point0(unittest.TestCase):
pgxdata = read_pgx(pgxfile) pgxdata = read_pgx(pgxfile)
np.testing.assert_array_equal(jpdata[:, :, 2], pgxdata) np.testing.assert_array_equal(jpdata[:, :, 2], pgxdata)
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
def test_NR_DEC_broken2_jp2_5_decode(self): def test_NR_DEC_broken2_jp2_5_decode(self):
# Null pointer access # Null pointer access
jfile = opj_data_file('input/nonregression/broken2.jp2') jfile = opj_data_file('input/nonregression/broken2.jp2')
with self.assertRaises(IOError): with self.assertRaises(IOError):
with warnings.catch_warnings(): with self.assertWarns(UserWarning):
# Invalid marker ID. # Invalid marker ID.
warnings.simplefilter("ignore")
Jp2k(jfile).read() Jp2k(jfile).read()
self.assertTrue(True) self.assertTrue(True)
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
def test_NR_DEC_broken4_jp2_7_decode(self): def test_NR_DEC_broken4_jp2_7_decode(self):
jfile = opj_data_file('input/nonregression/broken4.jp2') jfile = opj_data_file('input/nonregression/broken4.jp2')
with self.assertRaises(IOError): with self.assertRaises(IOError):
with warnings.catch_warnings(): with self.assertWarns(UserWarning):
# invalid number of subbands, bad marker ID # invalid number of subbands, bad marker ID
warnings.simplefilter("ignore")
Jp2k(jfile).read() Jp2k(jfile).read()
self.assertTrue(True) self.assertTrue(True)
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
def test_NR_DEC_kakadu_v4_4_openjpegv2_broken_j2k_16_decode(self): def test_NR_DEC_kakadu_v4_4_openjpegv2_broken_j2k_16_decode(self):
# This test actually passes in 1.5, but produces unpleasant warning # This test actually passes in 1.5, but produces unpleasant warning
# messages that cannot be turned off? # messages that cannot be turned off?
relpath = 'input/nonregression/kakadu_v4-4_openjpegv2_broken.j2k' relpath = 'input/nonregression/kakadu_v4-4_openjpegv2_broken.j2k'
jfile = opj_data_file(relpath) jfile = opj_data_file(relpath)
if glymur.version.openjpeg_version_tuple[0] < 2: if glymur.version.openjpeg_version_tuple[0] < 2:
with warnings.catch_warnings(): with self.assertWarns(UserWarning):
# Incorrect warning issued about tile parts. # Incorrect warning issued about tile parts.
warnings.simplefilter("ignore")
Jp2k(jfile).read() Jp2k(jfile).read()
else: else:
Jp2k(jfile).read() Jp2k(jfile).read()

23
glymur/test/test_opj_suite_2p1.py
View file

@ -31,14 +31,13 @@ import re
import sys import sys
import unittest import unittest
import warnings
import numpy as np import numpy as np
from glymur import Jp2k from glymur import Jp2k
import glymur import glymur
from .fixtures import OPJ_DATA_ROOT from .fixtures import OPJ_DATA_ROOT
from .fixtures import WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG
from .fixtures import mse, peak_tolerance, read_pgx, opj_data_file from .fixtures import mse, peak_tolerance, read_pgx, opj_data_file
@ -56,11 +55,11 @@ class TestSuite2point1(unittest.TestCase):
def tearDown(self): def tearDown(self):
pass pass
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
def test_NR_DEC_text_GBR_jp2_29_decode(self): def test_NR_DEC_text_GBR_jp2_29_decode(self):
jfile = opj_data_file('input/nonregression/text_GBR.jp2') jfile = opj_data_file('input/nonregression/text_GBR.jp2')
with warnings.catch_warnings(): with self.assertWarns(UserWarning):
# brand is 'jp2 ', but has any icc profile. # brand is 'jp2 ', but has any icc profile.
warnings.simplefilter("ignore")
jp2 = Jp2k(jfile) jp2 = Jp2k(jfile)
jp2.read() jp2.read()
self.assertTrue(True) self.assertTrue(True)
@ -85,32 +84,32 @@ class TestSuite2point1(unittest.TestCase):
Jp2k(jfile).read() Jp2k(jfile).read()
self.assertTrue(True) self.assertTrue(True)
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
def test_NR_DEC_gdal_fuzzer_unchecked_num_resolutions_jp2_36_decode(self): def test_NR_DEC_gdal_fuzzer_unchecked_num_resolutions_jp2_36_decode(self):
f = 'input/nonregression/gdal_fuzzer_unchecked_numresolutions.jp2' f = 'input/nonregression/gdal_fuzzer_unchecked_numresolutions.jp2'
jfile = opj_data_file(f) jfile = opj_data_file(f)
with warnings.catch_warnings(): with self.assertWarns(UserWarning):
# Invalid number of resolutions. # Invalid number of resolutions.
warnings.simplefilter("ignore")
j = Jp2k(jfile) j = Jp2k(jfile)
with self.assertRaises(IOError): with self.assertRaises(IOError):
j.read() j.read()
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
def test_NR_DEC_gdal_fuzzer_check_number_of_tiles_jp2_38_decode(self): def test_NR_DEC_gdal_fuzzer_check_number_of_tiles_jp2_38_decode(self):
relpath = 'input/nonregression/gdal_fuzzer_check_number_of_tiles.jp2' relpath = 'input/nonregression/gdal_fuzzer_check_number_of_tiles.jp2'
jfile = opj_data_file(relpath) jfile = opj_data_file(relpath)
with warnings.catch_warnings(): with self.assertWarns(UserWarning):
# Invalid number of tiles. # Invalid number of tiles.
warnings.simplefilter("ignore")
j = Jp2k(jfile) j = Jp2k(jfile)
with self.assertRaises(IOError): with self.assertRaises(IOError):
j.read() j.read()
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
def test_NR_DEC_gdal_fuzzer_check_comp_dx_dy_jp2_39_decode(self): def test_NR_DEC_gdal_fuzzer_check_comp_dx_dy_jp2_39_decode(self):
relpath = 'input/nonregression/gdal_fuzzer_check_comp_dx_dy.jp2' relpath = 'input/nonregression/gdal_fuzzer_check_comp_dx_dy.jp2'
jfile = opj_data_file(relpath) jfile = opj_data_file(relpath)
with warnings.catch_warnings(): with self.assertWarns(UserWarning):
# Invalid subsampling value # Invalid subsampling value
warnings.simplefilter("ignore")
with self.assertRaises(IOError): with self.assertRaises(IOError):
Jp2k(jfile).read() Jp2k(jfile).read()
@ -152,14 +151,14 @@ class TestSuite2point1(unittest.TestCase):
odata = jp2k.read(rlevel=1) odata = jp2k.read(rlevel=1)
np.testing.assert_array_equal(tdata, odata[64:128, 256:320]) np.testing.assert_array_equal(tdata, odata[64:128, 256:320])
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
def test_NR_DEC_jp2_36_decode(self): def test_NR_DEC_jp2_36_decode(self):
lst = ('input', lst = ('input',
'nonregression', 'nonregression',
'gdal_fuzzer_assert_in_opj_j2k_read_SQcd_SQcc.patch.jp2') 'gdal_fuzzer_assert_in_opj_j2k_read_SQcd_SQcc.patch.jp2')
jfile = opj_data_file('/'.join(lst)) jfile = opj_data_file('/'.join(lst))
with warnings.catch_warnings(): with self.assertWarns(UserWarning):
# Invalid component number. # Invalid component number.
warnings.simplefilter("ignore")
j = Jp2k(jfile) j = Jp2k(jfile)
with self.assertRaises(IOError): with self.assertRaises(IOError):
j.read() j.read()

4171
glymur/test/test_opj_suite_dump.py
View file

File diff suppressed because it is too large Load diff

6
glymur/test/test_opj_suite_neg.py
View file

@ -13,7 +13,6 @@ import re
import sys import sys
import tempfile import tempfile
import unittest import unittest
import warnings
import numpy as np import numpy as np
try: try:
@ -24,6 +23,7 @@ except ImportError:
from .fixtures import OPJ_DATA_ROOT, opj_data_file, read_image from .fixtures import OPJ_DATA_ROOT, opj_data_file, read_image
from .fixtures import NO_READ_BACKEND, NO_READ_BACKEND_MSG from .fixtures import NO_READ_BACKEND, NO_READ_BACKEND_MSG
from .fixtures import NO_SKIMAGE_FREEIMAGE_SUPPORT from .fixtures import NO_SKIMAGE_FREEIMAGE_SUPPORT
from .fixtures import WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG
from glymur import Jp2k from glymur import Jp2k
import glymur import glymur
@ -76,13 +76,13 @@ class TestSuiteNegative(unittest.TestCase):
jp2k.get_codestream(header_only=False) jp2k.get_codestream(header_only=False)
self.assertTrue(True) self.assertTrue(True)
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
def test_nr_illegalclrtransform(self): def test_nr_illegalclrtransform(self):
"""EOC marker is bad""" """EOC marker is bad"""
relpath = 'input/nonregression/illegalcolortransform.j2k' relpath = 'input/nonregression/illegalcolortransform.j2k'
jfile = opj_data_file(relpath) jfile = opj_data_file(relpath)
jp2k = Jp2k(jfile) jp2k = Jp2k(jfile)
with warnings.catch_warnings(): with self.assertWarns(UserWarning):
warnings.simplefilter('ignore')
codestream = jp2k.get_codestream(header_only=False) codestream = jp2k.get_codestream(header_only=False)
# Verify that the last segment returned in the codestream is SOD, # Verify that the last segment returned in the codestream is SOD,

754
glymur/test/test_opj_suite_write.py
View file

@ -11,7 +11,6 @@ import re
import sys import sys
import tempfile import tempfile
import unittest import unittest
import warnings
import numpy as np import numpy as np
try: try:
@ -22,11 +21,45 @@ except ImportError:
from .fixtures import read_image, NO_READ_BACKEND, NO_READ_BACKEND_MSG from .fixtures import read_image, NO_READ_BACKEND, NO_READ_BACKEND_MSG
from .fixtures import OPJ_DATA_ROOT, NO_SKIMAGE_FREEIMAGE_SUPPORT from .fixtures import OPJ_DATA_ROOT, NO_SKIMAGE_FREEIMAGE_SUPPORT
from .fixtures import opj_data_file from .fixtures import opj_data_file
from .fixtures import WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG
from . import fixtures from . import fixtures
from glymur import Jp2k from glymur import Jp2k
import glymur import glymur
class CinemaBase(fixtures.MetadataBase):
def verify_cinema_cod(self, cod_segment):
self.assertFalse(cod_segment.scod & 2) # no sop
self.assertFalse(cod_segment.scod & 4) # no eph
self.assertEqual(cod_segment.spcod[0], glymur.core.CPRL)
self.assertEqual(cod_segment.layers, 1)
self.assertEqual(cod_segment.spcod[3], 1) # mct
self.assertEqual(cod_segment.spcod[4], 5) # levels
self.assertEqual(tuple(cod_segment.code_block_size), (32, 32)) # cblksz
def check_cinema4k_codestream(self, codestream, image_size):
kwargs = {'rsiz': 4, 'xysiz': image_size, 'xyosiz': (0, 0),
'xytsiz': image_size, 'xytosiz': (0, 0),
'bitdepth': (12, 12, 12), 'signed': (False, False, False),
'xyrsiz': [(1, 1, 1), (1, 1, 1)]}
self.verifySizSegment(c.segment[1], glymur.codestream.SIZsegment(**kwargs))
self.verify_cinema_cod(codestream.segment[2])
def check_cinema2k_codestream(self, codestream, image_size):
kwargs = {'rsiz': 3, 'xysiz': image_size, 'xyosiz': (0, 0),
'xytsiz': image_size, 'xytosiz': (0, 0),
'bitdepth': (12, 12, 12), 'signed': (False, False, False),
'xyrsiz': [(1, 1, 1), (1, 1, 1)]}
self.verifySizSegment(c.segment[1], glymur.codestream.SIZsegment(**kwargs))
self.verify_cinema_cod(codestream.segment[2])
@unittest.skipIf(NO_SKIMAGE_FREEIMAGE_SUPPORT, @unittest.skipIf(NO_SKIMAGE_FREEIMAGE_SUPPORT,
"Cannot read input image without scikit-image/freeimage") "Cannot read input image without scikit-image/freeimage")
@unittest.skipIf(os.name == "nt", "no write support on windows, period") @unittest.skipIf(os.name == "nt", "no write support on windows, period")
@ -35,18 +68,12 @@ import glymur
"Uses features not supported until 2.0.1") "Uses features not supported until 2.0.1")
@unittest.skipIf(OPJ_DATA_ROOT is None, @unittest.skipIf(OPJ_DATA_ROOT is None,
"OPJ_DATA_ROOT environment variable not set") "OPJ_DATA_ROOT environment variable not set")
class TestSuiteWriteCinema(unittest.TestCase): class WriteCinema(CinemaBase):
"""Tests for writing with openjp2 backend. """Tests for writing with openjp2 backend.
These tests either roughly correspond with those tests with similar names These tests either roughly correspond with those tests with similar names
in the OpenJPEG test suite or are closely associated. in the OpenJPEG test suite or are closely associated.
""" """
def setUp(self):
pass
def tearDown(self):
pass
def test_cinema2K_with_others(self): def test_cinema2K_with_others(self):
"""Can't specify cinema2k with any other options.""" """Can't specify cinema2k with any other options."""
relfile = 'input/nonregression/X_5_2K_24_235_CBR_STEM24_000.tif' relfile = 'input/nonregression/X_5_2K_24_235_CBR_STEM24_000.tif'
@ -67,167 +94,102 @@ class TestSuiteWriteCinema(unittest.TestCase):
with self.assertRaises(IOError): with self.assertRaises(IOError):
j.write(data, cinema4k=True, cratios=[200, 100, 50]) j.write(data, cinema4k=True, cratios=[200, 100, 50])
def check_cinema4k_codestream(self, codestream, image_size):
"""Common out for cinema2k tests."""
# SIZ: Image and tile size
# Profile: "3" means cinema2K
self.assertEqual(codestream.segment[1].rsiz, 4)
# Reference grid size
self.assertEqual((codestream.segment[1].xsiz,
codestream.segment[1].ysiz),
image_size)
# Reference grid offset
self.assertEqual((codestream.segment[1].xosiz,
codestream.segment[1].yosiz), (0, 0))
# Tile size
self.assertEqual((codestream.segment[1].xtsiz,
codestream.segment[1].ytsiz),
image_size)
# Tile offset
self.assertEqual((codestream.segment[1].xtosiz,
codestream.segment[1].ytosiz),
(0, 0))
# bitdepth
self.assertEqual(codestream.segment[1].bitdepth, (12, 12, 12))
# signed
self.assertEqual(codestream.segment[1].signed,
(False, False, False))
# subsampling
self.assertEqual(list(zip(codestream.segment[1].xrsiz,
codestream.segment[1].yrsiz)),
[(1, 1)] * 3)
# COD: Coding style default
self.assertFalse(codestream.segment[2].scod & 2) # no sop
self.assertFalse(codestream.segment[2].scod & 4) # no eph
self.assertEqual(codestream.segment[2].spcod[0], glymur.core.CPRL)
self.assertEqual(codestream.segment[2].layers, 1)
self.assertEqual(codestream.segment[2].spcod[3], 1) # mct
self.assertEqual(codestream.segment[2].spcod[4], 5) # levels
self.assertEqual(tuple(codestream.segment[2].code_block_size),
(32, 32)) # cblksz
def check_cinema2k_codestream(self, codestream, image_size):
"""Common out for cinema2k tests."""
# SIZ: Image and tile size
# Profile: "3" means cinema2K
self.assertEqual(codestream.segment[1].rsiz, 3)
# Reference grid size
self.assertEqual((codestream.segment[1].xsiz,
codestream.segment[1].ysiz),
image_size)
# Reference grid offset
self.assertEqual((codestream.segment[1].xosiz,
codestream.segment[1].yosiz), (0, 0))
# Tile size
self.assertEqual((codestream.segment[1].xtsiz,
codestream.segment[1].ytsiz),
image_size)
# Tile offset
self.assertEqual((codestream.segment[1].xtosiz,
codestream.segment[1].ytosiz),
(0, 0))
# bitdepth
self.assertEqual(codestream.segment[1].bitdepth, (12, 12, 12))
# signed
self.assertEqual(codestream.segment[1].signed,
(False, False, False))
# subsampling
self.assertEqual(list(zip(codestream.segment[1].xrsiz,
codestream.segment[1].yrsiz)),
[(1, 1)] * 3)
# COD: Coding style default
self.assertFalse(codestream.segment[2].scod & 2) # no sop
self.assertFalse(codestream.segment[2].scod & 4) # no eph
self.assertEqual(codestream.segment[2].spcod[0], glymur.core.CPRL)
self.assertEqual(codestream.segment[2].layers, 1)
self.assertEqual(codestream.segment[2].spcod[3], 1) # mct
self.assertEqual(codestream.segment[2].spcod[4], 5) # levels
self.assertEqual(tuple(codestream.segment[2].code_block_size),
(32, 32)) # cblksz
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
@unittest.skipIf(NO_SKIMAGE_FREEIMAGE_SUPPORT,
"Cannot read input image without scikit-image/freeimage")
@unittest.skipIf(os.name == "nt", "no write support on windows, period")
@unittest.skipIf(re.match(r'''(1|2.0.0)''',
glymur.version.openjpeg_version) is not None,
"Uses features not supported until 2.0.1")
@unittest.skipIf(OPJ_DATA_ROOT is None,
"OPJ_DATA_ROOT environment variable not set")
class WriteCinemaWarns(CinemaBase):
"""Tests for writing with openjp2 backend.
These tests either roughly correspond with those tests with similar names
in the OpenJPEG test suite or are closely associated. These tests issue
warnings.
"""
def test_NR_ENC_ElephantDream_4K_tif_21_encode(self): def test_NR_ENC_ElephantDream_4K_tif_21_encode(self):
relfile = 'input/nonregression/ElephantDream_4K.tif' relfile = 'input/nonregression/ElephantDream_4K.tif'
infile = opj_data_file(relfile) infile = opj_data_file(relfile)
data = skimage.io.imread(infile) data = skimage.io.imread(infile)
with tempfile.NamedTemporaryFile(suffix='.j2k') as tfile: with tempfile.NamedTemporaryFile(suffix='.j2k') as tfile:
j = Jp2k(tfile.name, 'wb') j = Jp2k(tfile.name, 'wb')
with warnings.catch_warnings(): regex = 'OpenJPEG library warning:.*'
# Just turn off warnings. with self.assertWarnsRegex(UserWarning, re.compile(regex)):
warnings.simplefilter("ignore")
j.write(data, cinema4k=True) j.write(data, cinema4k=True)
codestream = j.get_codestream() codestream = j.get_codestream()
self.check_cinema4k_codestream(codestream, (4096, 2160)) self.check_cinema4k_codestream(codestream, (4096, 2160))
def test_NR_ENC_X_5_2K_24_235_CBR_STEM24_000_tif_19_encode(self): def test_NR_ENC_X_5_2K_24_235_CBR_STEM24_000_tif_19_encode(self):
relfile = 'input/nonregression/X_5_2K_24_235_CBR_STEM24_000.tif' relfile = 'input/nonregression/X_5_2K_24_235_CBR_STEM24_000.tif'
infile = opj_data_file(relfile) infile = opj_data_file(relfile)
data = skimage.io.imread(infile) data = skimage.io.imread(infile)
with tempfile.NamedTemporaryFile(suffix='.j2k') as tfile: with tempfile.NamedTemporaryFile(suffix='.j2k') as tfile:
j = Jp2k(tfile.name, 'wb') j = Jp2k(tfile.name, 'wb')
j.write(data, cinema2k=48) with self.assertWarnsRegex(UserWarning, 'OpenJPEG library warning'):
j.write(data, cinema2k=48)
codestream = j.get_codestream() codestream = j.get_codestream()
self.check_cinema2k_codestream(codestream, (2048, 857)) self.check_cinema2k_codestream(codestream, (2048, 857))
def test_NR_ENC_X_6_2K_24_FULL_CBR_CIRCLE_000_tif_20_encode(self): def test_NR_ENC_X_6_2K_24_FULL_CBR_CIRCLE_000_tif_20_encode(self):
relfile = 'input/nonregression/X_6_2K_24_FULL_CBR_CIRCLE_000.tif' relfile = 'input/nonregression/X_6_2K_24_FULL_CBR_CIRCLE_000.tif'
infile = opj_data_file(relfile) infile = opj_data_file(relfile)
data = skimage.io.imread(infile) data = skimage.io.imread(infile)
with tempfile.NamedTemporaryFile(suffix='.j2k') as tfile: with tempfile.NamedTemporaryFile(suffix='.j2k') as tfile:
j = Jp2k(tfile.name, 'wb') j = Jp2k(tfile.name, 'wb')
j.write(data, cinema2k=48) with self.assertWarnsRegex(UserWarning, 'OpenJPEG library warning'):
j.write(data, cinema2k=48)
codestream = j.get_codestream() codestream = j.get_codestream()
self.check_cinema2k_codestream(codestream, (2048, 1080)) self.check_cinema2k_codestream(codestream, (2048, 1080))
def test_NR_ENC_X_6_2K_24_FULL_CBR_CIRCLE_000_tif_17_encode(self): def test_NR_ENC_X_6_2K_24_FULL_CBR_CIRCLE_000_tif_17_encode(self):
relfile = 'input/nonregression/X_6_2K_24_FULL_CBR_CIRCLE_000.tif' relfile = 'input/nonregression/X_6_2K_24_FULL_CBR_CIRCLE_000.tif'
infile = opj_data_file(relfile) infile = opj_data_file(relfile)
data = skimage.io.imread(infile) data = skimage.io.imread(infile)
with tempfile.NamedTemporaryFile(suffix='.j2k') as tfile: with tempfile.NamedTemporaryFile(suffix='.j2k') as tfile:
j = Jp2k(tfile.name, 'wb') j = Jp2k(tfile.name, 'wb')
j.write(data, cinema2k=24) with self.assertWarnsRegex(UserWarning, 'OpenJPEG library warning'):
j.write(data, cinema2k=24)
codestream = j.get_codestream() codestream = j.get_codestream()
self.check_cinema2k_codestream(codestream, (2048, 1080)) self.check_cinema2k_codestream(codestream, (2048, 1080))
def test_NR_ENC_X_5_2K_24_235_CBR_STEM24_000_tif_16_encode(self): def test_NR_ENC_X_5_2K_24_235_CBR_STEM24_000_tif_16_encode(self):
relfile = 'input/nonregression/X_5_2K_24_235_CBR_STEM24_000.tif' relfile = 'input/nonregression/X_5_2K_24_235_CBR_STEM24_000.tif'
infile = opj_data_file(relfile) infile = opj_data_file(relfile)
data = skimage.io.imread(infile) data = skimage.io.imread(infile)
with tempfile.NamedTemporaryFile(suffix='.j2k') as tfile: with tempfile.NamedTemporaryFile(suffix='.j2k') as tfile:
j = Jp2k(tfile.name, 'wb') j = Jp2k(tfile.name, 'wb')
j.write(data, cinema2k=24) with self.assertWarnsRegex(UserWarning, 'OpenJPEG library warning'):
# OpenJPEG library warning: The desired maximum codestream
# size has limited at least one of the desired quality layers
j.write(data, cinema2k=24)
codestream = j.get_codestream() codestream = j.get_codestream()
self.check_cinema2k_codestream(codestream, (2048, 857)) self.check_cinema2k_codestream(codestream, (2048, 857))
def test_NR_ENC_X_4_2K_24_185_CBR_WB_000_tif_18_encode(self): def test_NR_ENC_X_4_2K_24_185_CBR_WB_000_tif_18_encode(self):
relfile = 'input/nonregression/X_4_2K_24_185_CBR_WB_000.tif' relfile = 'input/nonregression/X_4_2K_24_185_CBR_WB_000.tif'
infile = opj_data_file(relfile) infile = opj_data_file(relfile)
data = skimage.io.imread(infile) data = skimage.io.imread(infile)
with tempfile.NamedTemporaryFile(suffix='.j2k') as tfile: with tempfile.NamedTemporaryFile(suffix='.j2k') as tfile:
j = Jp2k(tfile.name, 'wb') j = Jp2k(tfile.name, 'wb')
with warnings.catch_warnings(): regex = 'OpenJPEG library warning'
# Just turn off warnings. with self.assertWarnsRegex(UserWarning, regex):
warnings.simplefilter("ignore") # OpenJPEG library warning: The desired maximum codestream
# size has limited at least one of the desired quality layers
j.write(data, cinema2k=48) j.write(data, cinema2k=48)
codestream = j.get_codestream() codestream = j.get_codestream()
self.check_cinema2k_codestream(codestream, (1998, 1080)) self.check_cinema2k_codestream(codestream, (1998, 1080))
@unittest.skipIf(NO_SKIMAGE_FREEIMAGE_SUPPORT, @unittest.skipIf(NO_SKIMAGE_FREEIMAGE_SUPPORT,
"Cannot read input image without scikit-image/freeimage") "Cannot read input image without scikit-image/freeimage")
@unittest.skipIf(os.name == "nt", "Temporary file issue on window.") @unittest.skipIf(os.name == "nt", "Temporary file issue on window.")
@ -259,7 +221,7 @@ class TestSuiteNegative2pointzero(unittest.TestCase):
@unittest.skipIf(NO_READ_BACKEND, NO_READ_BACKEND_MSG) @unittest.skipIf(NO_READ_BACKEND, NO_READ_BACKEND_MSG)
@unittest.skipIf(OPJ_DATA_ROOT is None, @unittest.skipIf(OPJ_DATA_ROOT is None,
"OPJ_DATA_ROOT environment variable not set") "OPJ_DATA_ROOT environment variable not set")
class TestSuiteWrite(unittest.TestCase): class TestSuiteWrite(fixtures.MetadataBase):
"""Tests for writing with openjp2 backend. """Tests for writing with openjp2 backend.
These tests either roughly correspond with those tests with similar names These tests either roughly correspond with those tests with similar names
@ -293,60 +255,28 @@ class TestSuiteWrite(unittest.TestCase):
j.write(data, cratios=[200, 100, 50]) j.write(data, cratios=[200, 100, 50])
# Should be three layers. # Should be three layers.
codestream = j.get_codestream() c = j.get_codestream()
# SIZ: Image and tile size kwargs = {'rsiz': 0, 'xysiz': (640, 480), 'xyosiz': (0, 0),
# Profile: "0" means profile 2 'xytsiz': (640, 480), 'xytosiz': (0, 0),
self.assertEqual(codestream.segment[1].rsiz, 0) 'bitdepth': (8, 8, 8), 'signed': (False, False, False),
# Reference grid size 'xyrsiz': [(1, 1, 1), (1, 1, 1)]}
self.assertEqual((codestream.segment[1].xsiz, self.verifySizSegment(c.segment[1], glymur.codestream.SIZsegment(**kwargs))
codestream.segment[1].ysiz),
(640, 480))
# Reference grid offset
self.assertEqual((codestream.segment[1].xosiz,
codestream.segment[1].yosiz), (0, 0))
# Tile size
self.assertEqual((codestream.segment[1].xtsiz,
codestream.segment[1].ytsiz),
(640, 480))
# Tile offset
self.assertEqual((codestream.segment[1].xtosiz,
codestream.segment[1].ytosiz),
(0, 0))
# bitdepth
self.assertEqual(codestream.segment[1].bitdepth, (8, 8, 8))
# signed
self.assertEqual(codestream.segment[1].signed,
(False, False, False))
# subsampling
self.assertEqual(list(zip(codestream.segment[1].xrsiz,
codestream.segment[1].yrsiz)),
[(1, 1)] * 3)
# COD: Coding style default # COD: Coding style default
self.assertFalse(codestream.segment[2].scod & 2) # no sop self.assertFalse(c.segment[2].scod & 2) # no sop
self.assertFalse(codestream.segment[2].scod & 4) # no eph self.assertFalse(c.segment[2].scod & 4) # no eph
self.assertEqual(codestream.segment[2].spcod[0], glymur.core.LRCP) self.assertEqual(c.segment[2].spcod[0], glymur.core.LRCP)
self.assertEqual(codestream.segment[2].layers, 3) # layers = 3 self.assertEqual(c.segment[2].layers, 3) # layers = 3
self.assertEqual(codestream.segment[2].spcod[3], 1) # mct self.assertEqual(c.segment[2].spcod[3], 1) # mct
self.assertEqual(codestream.segment[2].spcod[4], 5) # levels self.assertEqual(c.segment[2].spcod[4], 5) # levels
self.assertEqual(tuple(codestream.segment[2].code_block_size), self.assertEqual(tuple(c.segment[2].code_block_size),
(64, 64)) # cblksz (64, 64)) # cblksz
# Selective arithmetic coding bypass self.verify_codeblock_style(c.segment[2].spcod[7],
self.assertFalse(codestream.segment[2].spcod[7] & 0x01) [False, False, False, False, False, False])
# Reset context probabilities self.assertEqual(c.segment[2].spcod[8],
self.assertFalse(codestream.segment[2].spcod[7] & 0x02) glymur.core.WAVELET_XFORM_5X3_REVERSIBLE)
# Termination on each coding pass self.assertEqual(len(c.segment[2].spcod), 9)
self.assertFalse(codestream.segment[2].spcod[7] & 0x04)
# Vertically causal context
self.assertFalse(codestream.segment[2].spcod[7] & 0x08)
# Predictable termination
self.assertFalse(codestream.segment[2].spcod[7] & 0x0010)
# Segmentation symbols
self.assertFalse(codestream.segment[2].spcod[7] & 0x0020)
self.assertEqual(codestream.segment[2].spcod[8],
glymur.core.WAVELET_XFORM_5X3_REVERSIBLE)
self.assertEqual(len(codestream.segment[2].spcod), 9)
def test_NR_ENC_Bretagne1_ppm_2_encode(self): def test_NR_ENC_Bretagne1_ppm_2_encode(self):
"""NR-ENC-Bretagne1.ppm-2-encode""" """NR-ENC-Bretagne1.ppm-2-encode"""
@ -359,34 +289,11 @@ class TestSuiteWrite(unittest.TestCase):
# Should be three layers. # Should be three layers.
codestream = j.get_codestream() codestream = j.get_codestream()
# SIZ: Image and tile size kwargs = {'rsiz': 0, 'xysiz': (640, 480), 'xyosiz': (0, 0),
# Profile: "0" means profile 2 'xytsiz': (640, 480), 'xytosiz': (0, 0),
self.assertEqual(codestream.segment[1].rsiz, 0) 'bitdepth': (8, 8, 8), 'signed': (False, False, False),
# Reference grid size 'xyrsiz': [(1, 1, 1), (1, 1, 1)]}
self.assertEqual((codestream.segment[1].xsiz, self.verifySizSegment(codestream.segment[1], glymur.codestream.SIZsegment(**kwargs))
codestream.segment[1].ysiz),
(640, 480))
# Reference grid offset
self.assertEqual((codestream.segment[1].xosiz,
codestream.segment[1].yosiz), (0, 0))
# Tile size
self.assertEqual((codestream.segment[1].xtsiz,
codestream.segment[1].ytsiz),
(640, 480))
# Tile offset
self.assertEqual((codestream.segment[1].xtosiz,
codestream.segment[1].ytosiz),
(0, 0))
# bitdepth
self.assertEqual(codestream.segment[1].bitdepth,
(8, 8, 8))
# signed
self.assertEqual(codestream.segment[1].signed,
(False, False, False))
# subsampling
self.assertEqual(list(zip(codestream.segment[1].xrsiz,
codestream.segment[1].yrsiz)),
[(1, 1)] * 3)
# COD: Coding style default # COD: Coding style default
self.assertFalse(codestream.segment[2].scod & 2) # no sop self.assertFalse(codestream.segment[2].scod & 2) # no sop
@ -397,18 +304,8 @@ class TestSuiteWrite(unittest.TestCase):
self.assertEqual(codestream.segment[2].spcod[4], 1) # levels self.assertEqual(codestream.segment[2].spcod[4], 1) # levels
self.assertEqual(tuple(codestream.segment[2].code_block_size), self.assertEqual(tuple(codestream.segment[2].code_block_size),
(64, 64)) # cblksz (64, 64)) # cblksz
# Selective arithmetic coding bypass self.verify_codeblock_style(codestream.segment[2].spcod[7],
self.assertFalse(codestream.segment[2].spcod[7] & 0x01) [False, False, False, False, False, False])
# Reset context probabilities
self.assertFalse(codestream.segment[2].spcod[7] & 0x02)
# Termination on each coding pass
self.assertFalse(codestream.segment[2].spcod[7] & 0x04)
# Vertically causal context
self.assertFalse(codestream.segment[2].spcod[7] & 0x08)
# Predictable termination
self.assertFalse(codestream.segment[2].spcod[7] & 0x0010)
# Segmentation symbols
self.assertFalse(codestream.segment[2].spcod[7] & 0x0020)
self.assertEqual(codestream.segment[2].spcod[8], self.assertEqual(codestream.segment[2].spcod[8],
glymur.core.WAVELET_XFORM_5X3_REVERSIBLE) glymur.core.WAVELET_XFORM_5X3_REVERSIBLE)
self.assertEqual(len(codestream.segment[2].spcod), 9) self.assertEqual(len(codestream.segment[2].spcod), 9)
@ -425,33 +322,11 @@ class TestSuiteWrite(unittest.TestCase):
# Should be three layers. # Should be three layers.
codestream = j.get_codestream() codestream = j.get_codestream()
# SIZ: Image and tile size kwargs = {'rsiz': 0, 'xysiz': (640, 480), 'xyosiz': (0, 0),
# Profile: "0" means profile 2 'xytsiz': (640, 480), 'xytosiz': (0, 0),
self.assertEqual(codestream.segment[1].rsiz, 0) 'bitdepth': (8, 8, 8), 'signed': (False, False, False),
# Reference grid size 'xyrsiz': [(1, 1, 1), (1, 1, 1)]}
self.assertEqual((codestream.segment[1].xsiz, self.verifySizSegment(codestream.segment[1], glymur.codestream.SIZsegment(**kwargs))
codestream.segment[1].ysiz),
(640, 480))
# Reference grid offset
self.assertEqual((codestream.segment[1].xosiz,
codestream.segment[1].yosiz), (0, 0))
# Tile size
self.assertEqual((codestream.segment[1].xtsiz,
codestream.segment[1].ytsiz),
(640, 480))
# Tile offset
self.assertEqual((codestream.segment[1].xtosiz,
codestream.segment[1].ytosiz),
(0, 0))
# bitdepth
self.assertEqual(codestream.segment[1].bitdepth, (8, 8, 8))
# signed
self.assertEqual(codestream.segment[1].signed,
(False, False, False))
# subsampling
self.assertEqual(list(zip(codestream.segment[1].xrsiz,
codestream.segment[1].yrsiz)),
[(1, 1)] * 3)
# COD: Coding style default # COD: Coding style default
self.assertFalse(codestream.segment[2].scod & 2) # no sop self.assertFalse(codestream.segment[2].scod & 2) # no sop
@ -462,18 +337,8 @@ class TestSuiteWrite(unittest.TestCase):
self.assertEqual(codestream.segment[2].spcod[4], 5) # levels self.assertEqual(codestream.segment[2].spcod[4], 5) # levels
self.assertEqual(tuple(codestream.segment[2].code_block_size), self.assertEqual(tuple(codestream.segment[2].code_block_size),
(16, 16)) # cblksz (16, 16)) # cblksz
# Selective arithmetic coding bypass self.verify_codeblock_style(codestream.segment[2].spcod[7],
self.assertFalse(codestream.segment[2].spcod[7] & 0x01) [False, False, False, False, False, False])
# Reset context probabilities
self.assertFalse(codestream.segment[2].spcod[7] & 0x02)
# Termination on each coding pass
self.assertFalse(codestream.segment[2].spcod[7] & 0x04)
# Vertically causal context
self.assertFalse(codestream.segment[2].spcod[7] & 0x08)
# Predictable termination
self.assertFalse(codestream.segment[2].spcod[7] & 0x0010)
# Segmentation symbols
self.assertFalse(codestream.segment[2].spcod[7] & 0x0020)
self.assertEqual(codestream.segment[2].spcod[8], self.assertEqual(codestream.segment[2].spcod[8],
glymur.core.WAVELET_XFORM_5X3_REVERSIBLE) glymur.core.WAVELET_XFORM_5X3_REVERSIBLE)
self.assertEqual(codestream.segment[2].precinct_size, self.assertEqual(codestream.segment[2].precinct_size,
@ -495,33 +360,11 @@ class TestSuiteWrite(unittest.TestCase):
# Should be three layers. # Should be three layers.
codestream = j.get_codestream() codestream = j.get_codestream()
# SIZ: Image and tile size kwargs = {'rsiz': 0, 'xysiz': (2592, 1944), 'xyosiz': (0, 0),
# Profile: "0" means profile 2 'xytsiz': (640, 480), 'xytosiz': (0, 0),
self.assertEqual(codestream.segment[1].rsiz, 0) 'bitdepth': (8, 8, 8), 'signed': (False, False, False),
# Reference grid size 'xyrsiz': [(1, 1, 1), (1, 1, 1)]}
self.assertEqual((codestream.segment[1].xsiz, self.verifySizSegment(codestream.segment[1], glymur.codestream.SIZsegment(**kwargs))
codestream.segment[1].ysiz),
(data.shape[1], data.shape[0]))
# Reference grid offset
self.assertEqual((codestream.segment[1].xosiz,
codestream.segment[1].yosiz), (0, 0))
# Tile size. Reported as XY, not RC.
self.assertEqual((codestream.segment[1].xtsiz,
codestream.segment[1].ytsiz),
(640, 480))
# Tile offset
self.assertEqual((codestream.segment[1].xtosiz,
codestream.segment[1].ytosiz),
(0, 0))
# bitdepth
self.assertEqual(codestream.segment[1].bitdepth, (8, 8, 8))
# signed
self.assertEqual(codestream.segment[1].signed,
(False, False, False))
# subsampling
self.assertEqual(list(zip(codestream.segment[1].xrsiz,
codestream.segment[1].yrsiz)),
[(1, 1)] * 3)
# COD: Coding style default # COD: Coding style default
self.assertFalse(codestream.segment[2].scod & 2) # no sop self.assertFalse(codestream.segment[2].scod & 2) # no sop
@ -532,18 +375,8 @@ class TestSuiteWrite(unittest.TestCase):
self.assertEqual(codestream.segment[2].spcod[4], 5) # levels self.assertEqual(codestream.segment[2].spcod[4], 5) # levels
self.assertEqual(tuple(codestream.segment[2].code_block_size), self.assertEqual(tuple(codestream.segment[2].code_block_size),
(32, 32)) # cblksz (32, 32)) # cblksz
# Selective arithmetic coding bypass self.verify_codeblock_style(codestream.segment[2].spcod[7],
self.assertFalse(codestream.segment[2].spcod[7] & 0x01) [False, False, False, False, False, False])
# Reset context probabilities
self.assertFalse(codestream.segment[2].spcod[7] & 0x02)
# Termination on each coding pass
self.assertFalse(codestream.segment[2].spcod[7] & 0x04)
# Vertically causal context
self.assertFalse(codestream.segment[2].spcod[7] & 0x08)
# Predictable termination
self.assertFalse(codestream.segment[2].spcod[7] & 0x0010)
# Segmentation symbols
self.assertFalse(codestream.segment[2].spcod[7] & 0x0020)
self.assertEqual(codestream.segment[2].spcod[8], self.assertEqual(codestream.segment[2].spcod[8],
glymur.core.WAVELET_XFORM_5X3_REVERSIBLE) glymur.core.WAVELET_XFORM_5X3_REVERSIBLE)
self.assertEqual(codestream.segment[2].precinct_size, self.assertEqual(codestream.segment[2].precinct_size,
@ -559,33 +392,11 @@ class TestSuiteWrite(unittest.TestCase):
codestream = j.get_codestream() codestream = j.get_codestream()
# SIZ: Image and tile size kwargs = {'rsiz': 0, 'xysiz': (2592, 1944), 'xyosiz': (0, 0),
# Profile: "0" means profile 2 'xytsiz': (127, 127), 'xytosiz': (0, 0),
self.assertEqual(codestream.segment[1].rsiz, 0) 'bitdepth': (8, 8, 8), 'signed': (False, False, False),
# Reference grid size 'xyrsiz': [(1, 1, 1), (1, 1, 1)]}
self.assertEqual((codestream.segment[1].xsiz, self.verifySizSegment(codestream.segment[1], glymur.codestream.SIZsegment(**kwargs))
codestream.segment[1].ysiz),
(data.shape[1], data.shape[0]))
# Reference grid offset
self.assertEqual((codestream.segment[1].xosiz,
codestream.segment[1].yosiz), (0, 0))
# Tile size
self.assertEqual((codestream.segment[1].xtsiz,
codestream.segment[1].ytsiz),
(127, 127))
# Tile offset
self.assertEqual((codestream.segment[1].xtosiz,
codestream.segment[1].ytosiz),
(0, 0))
# bitdepth
self.assertEqual(codestream.segment[1].bitdepth, (8, 8, 8))
# signed
self.assertEqual(codestream.segment[1].signed,
(False, False, False))
# subsampling
self.assertEqual(list(zip(codestream.segment[1].xrsiz,
codestream.segment[1].yrsiz)),
[(1, 1)] * 3)
# COD: Coding style default # COD: Coding style default
self.assertFalse(codestream.segment[2].scod & 2) # no sop self.assertFalse(codestream.segment[2].scod & 2) # no sop
@ -596,18 +407,8 @@ class TestSuiteWrite(unittest.TestCase):
self.assertEqual(codestream.segment[2].spcod[4], 5) # levels self.assertEqual(codestream.segment[2].spcod[4], 5) # levels
self.assertEqual(tuple(codestream.segment[2].code_block_size), self.assertEqual(tuple(codestream.segment[2].code_block_size),
(64, 64)) # cblksz (64, 64)) # cblksz
# Selective arithmetic coding bypass self.verify_codeblock_style(codestream.segment[2].spcod[7],
self.assertFalse(codestream.segment[2].spcod[7] & 0x01) [False, False, False, False, False, False])
# Reset context probabilities
self.assertFalse(codestream.segment[2].spcod[7] & 0x02)
# Termination on each coding pass
self.assertFalse(codestream.segment[2].spcod[7] & 0x04)
# Vertically causal context
self.assertFalse(codestream.segment[2].spcod[7] & 0x08)
# Predictable termination
self.assertFalse(codestream.segment[2].spcod[7] & 0x0010)
# Segmentation symbols
self.assertFalse(codestream.segment[2].spcod[7] & 0x0020)
self.assertEqual(codestream.segment[2].spcod[8], self.assertEqual(codestream.segment[2].spcod[8],
glymur.core.WAVELET_XFORM_5X3_REVERSIBLE) glymur.core.WAVELET_XFORM_5X3_REVERSIBLE)
self.assertEqual(len(codestream.segment[2].spcod), 9) self.assertEqual(len(codestream.segment[2].spcod), 9)
@ -622,33 +423,11 @@ class TestSuiteWrite(unittest.TestCase):
codestream = j.get_codestream(header_only=False) codestream = j.get_codestream(header_only=False)
# SIZ: Image and tile size kwargs = {'rsiz': 0, 'xysiz': (5183, 3887), 'xyosiz': (0, 0),
# Profile: "0" means profile 2 'xytsiz': (5183, 3887), 'xytosiz': (0, 0),
self.assertEqual(codestream.segment[1].rsiz, 0) 'bitdepth': (8, 8, 8), 'signed': (False, False, False),
# Reference grid size 'xyrsiz': [(2, 2, 2), (2, 2, 2)]}
self.assertEqual((codestream.segment[1].xsiz, self.verifySizSegment(codestream.segment[1], glymur.codestream.SIZsegment(**kwargs))
codestream.segment[1].ysiz),
(5183, 3887))
# Reference grid offset
self.assertEqual((codestream.segment[1].xosiz,
codestream.segment[1].yosiz), (0, 0))
# Tile size
self.assertEqual((codestream.segment[1].xtsiz,
codestream.segment[1].ytsiz),
(5183, 3887))
# Tile offset
self.assertEqual((codestream.segment[1].xtosiz,
codestream.segment[1].ytosiz),
(0, 0))
# bitdepth
self.assertEqual(codestream.segment[1].bitdepth, (8, 8, 8))
# signed
self.assertEqual(codestream.segment[1].signed,
(False, False, False))
# subsampling
self.assertEqual(list(zip(codestream.segment[1].xrsiz,
codestream.segment[1].yrsiz)),
[(2, 2)] * 3)
# COD: Coding style default # COD: Coding style default
self.assertTrue(codestream.segment[2].scod & 2) # sop self.assertTrue(codestream.segment[2].scod & 2) # sop
@ -659,18 +438,8 @@ class TestSuiteWrite(unittest.TestCase):
self.assertEqual(codestream.segment[2].spcod[4], 5) # levels self.assertEqual(codestream.segment[2].spcod[4], 5) # levels
self.assertEqual(tuple(codestream.segment[2].code_block_size), self.assertEqual(tuple(codestream.segment[2].code_block_size),
(64, 64)) # cblksz (64, 64)) # cblksz
# Selective arithmetic coding bypass self.verify_codeblock_style(codestream.segment[2].spcod[7],
self.assertFalse(codestream.segment[2].spcod[7] & 0x01) [False, False, False, False, False, False])
# Reset context probabilities
self.assertFalse(codestream.segment[2].spcod[7] & 0x02)
# Termination on each coding pass
self.assertFalse(codestream.segment[2].spcod[7] & 0x04)
# Vertically causal context
self.assertFalse(codestream.segment[2].spcod[7] & 0x08)
# Predictable termination
self.assertFalse(codestream.segment[2].spcod[7] & 0x0010)
# Segmentation symbols
self.assertFalse(codestream.segment[2].spcod[7] & 0x0020)
self.assertEqual(codestream.segment[2].spcod[8], self.assertEqual(codestream.segment[2].spcod[8],
glymur.core.WAVELET_XFORM_5X3_REVERSIBLE) glymur.core.WAVELET_XFORM_5X3_REVERSIBLE)
self.assertEqual(len(codestream.segment[2].spcod), 9) self.assertEqual(len(codestream.segment[2].spcod), 9)
@ -690,33 +459,11 @@ class TestSuiteWrite(unittest.TestCase):
codestream = j.get_codestream(header_only=False) codestream = j.get_codestream(header_only=False)
# SIZ: Image and tile size kwargs = {'rsiz': 0, 'xysiz': (2592, 1944), 'xyosiz': (0, 0),
# Profile: "0" means profile 2 'xytsiz': (2592, 1944), 'xytosiz': (0, 0),
self.assertEqual(codestream.segment[1].rsiz, 0) 'bitdepth': (8, 8, 8), 'signed': (False, False, False),
# Reference grid size 'xyrsiz': [(1, 1, 1), (1, 1, 1)]}
self.assertEqual((codestream.segment[1].xsiz, self.verifySizSegment(codestream.segment[1], glymur.codestream.SIZsegment(**kwargs))
codestream.segment[1].ysiz),
(2592, 1944))
# Reference grid offset
self.assertEqual((codestream.segment[1].xosiz,
codestream.segment[1].yosiz), (0, 0))
# Tile size
self.assertEqual((codestream.segment[1].xtsiz,
codestream.segment[1].ytsiz),
(2592, 1944))
# Tile offset
self.assertEqual((codestream.segment[1].xtosiz,
codestream.segment[1].ytosiz),
(0, 0))
# bitdepth
self.assertEqual(codestream.segment[1].bitdepth, (8, 8, 8))
# signed
self.assertEqual(codestream.segment[1].signed,
(False, False, False))
# subsampling
self.assertEqual(list(zip(codestream.segment[1].xrsiz,
codestream.segment[1].yrsiz)),
[(1, 1)] * 3)
# COD: Coding style default # COD: Coding style default
self.assertFalse(codestream.segment[2].scod & 2) # no sop self.assertFalse(codestream.segment[2].scod & 2) # no sop
@ -727,18 +474,8 @@ class TestSuiteWrite(unittest.TestCase):
self.assertEqual(codestream.segment[2].spcod[4], 5) # levels self.assertEqual(codestream.segment[2].spcod[4], 5) # levels
self.assertEqual(tuple(codestream.segment[2].code_block_size), self.assertEqual(tuple(codestream.segment[2].code_block_size),
(64, 64)) # cblksz (64, 64)) # cblksz
# Selective arithmetic coding BYPASS self.verify_codeblock_style(codestream.segment[2].spcod[7],
self.assertFalse(codestream.segment[2].spcod[7] & 0x01) [False, True, True, False, False, True])
# RESET context probabilities (RESET)
self.assertTrue(codestream.segment[2].spcod[7] & 0x02)
# Termination on each coding pass, RESTART(TERMALL)
self.assertTrue(codestream.segment[2].spcod[7] & 0x04)
# Vertically causal context (VSC)
self.assertFalse(codestream.segment[2].spcod[7] & 0x08)
# Predictable termination, ERTERM(SEGTERM)
self.assertFalse(codestream.segment[2].spcod[7] & 0x0010)
# Segmentation symbols, SEGMARK(SEGSYSM)
self.assertTrue(codestream.segment[2].spcod[7] & 0x0020)
self.assertEqual(codestream.segment[2].spcod[8], self.assertEqual(codestream.segment[2].spcod[8],
glymur.core.WAVELET_XFORM_5X3_REVERSIBLE) glymur.core.WAVELET_XFORM_5X3_REVERSIBLE)
self.assertEqual(len(codestream.segment[2].spcod), 9) self.assertEqual(len(codestream.segment[2].spcod), 9)
@ -757,34 +494,11 @@ class TestSuiteWrite(unittest.TestCase):
codestream = j.get_codestream(header_only=False) codestream = j.get_codestream(header_only=False)
# SIZ: Image and tile size kwargs = {'rsiz': 0, 'xysiz': (2742, 2244), 'xyosiz': (150, 300),
# Profile: "0" means profile 2 'xytsiz': (2742, 2244), 'xytosiz': (0, 0),
self.assertEqual(codestream.segment[1].rsiz, 0) 'bitdepth': (8, 8, 8), 'signed': (False, False, False),
# Reference grid size 'xyrsiz': [(1, 1, 1), (1, 1, 1)]}
self.assertEqual((codestream.segment[1].xsiz, self.verifySizSegment(codestream.segment[1], glymur.codestream.SIZsegment(**kwargs))
codestream.segment[1].ysiz),
(2742, 2244))
# Reference grid offset
self.assertEqual((codestream.segment[1].xosiz,
codestream.segment[1].yosiz),
(150, 300))
# Tile size
self.assertEqual((codestream.segment[1].xtsiz,
codestream.segment[1].ytsiz),
(2742, 2244))
# Tile offset
self.assertEqual((codestream.segment[1].xtosiz,
codestream.segment[1].ytosiz),
(0, 0))
# bitdepth
self.assertEqual(codestream.segment[1].bitdepth, (8, 8, 8))
# signed
self.assertEqual(codestream.segment[1].signed,
(False, False, False))
# subsampling
self.assertEqual(list(zip(codestream.segment[1].xrsiz,
codestream.segment[1].yrsiz)),
[(1, 1)] * 3)
# COD: Coding style default # COD: Coding style default
self.assertFalse(codestream.segment[2].scod & 2) # no sop self.assertFalse(codestream.segment[2].scod & 2) # no sop
@ -795,18 +509,8 @@ class TestSuiteWrite(unittest.TestCase):
self.assertEqual(codestream.segment[2].spcod[4], 5) # levels self.assertEqual(codestream.segment[2].spcod[4], 5) # levels
self.assertEqual(tuple(codestream.segment[2].code_block_size), self.assertEqual(tuple(codestream.segment[2].code_block_size),
(64, 64)) # cblksz (64, 64)) # cblksz
# Selective arithmetic coding BYPASS self.verify_codeblock_style(codestream.segment[2].spcod[7],
self.assertFalse(codestream.segment[2].spcod[7] & 0x01) [False, False, False, False, False, False])
# RESET context probabilities (RESET)
self.assertFalse(codestream.segment[2].spcod[7] & 0x02)
# Termination on each coding pass, RESTART(TERMALL)
self.assertFalse(codestream.segment[2].spcod[7] & 0x04)
# Vertically causal context (VSC)
self.assertFalse(codestream.segment[2].spcod[7] & 0x08)
# Predictable termination, ERTERM(SEGTERM)
self.assertFalse(codestream.segment[2].spcod[7] & 0x0010)
# Segmentation symbols, SEGMARK(SEGSYSM)
self.assertFalse(codestream.segment[2].spcod[7] & 0x0020)
self.assertEqual(codestream.segment[2].spcod[8], self.assertEqual(codestream.segment[2].spcod[8],
glymur.core.WAVELET_XFORM_5X3_REVERSIBLE) glymur.core.WAVELET_XFORM_5X3_REVERSIBLE)
self.assertEqual(len(codestream.segment[2].spcod), 9) self.assertEqual(len(codestream.segment[2].spcod), 9)
@ -821,33 +525,11 @@ class TestSuiteWrite(unittest.TestCase):
codestream = j.get_codestream(header_only=False) codestream = j.get_codestream(header_only=False)
# SIZ: Image and tile size kwargs = {'rsiz': 0, 'xysiz': (2592, 1944), 'xyosiz': (0, 0),
# Profile: "0" means profile 2 'xytsiz': (2592, 1944), 'xytosiz': (0, 0),
self.assertEqual(codestream.segment[1].rsiz, 0) 'bitdepth': (8, 8, 8), 'signed': (False, False, False),
# Reference grid size 'xyrsiz': [(1, 1, 1), (1, 1, 1)]}
self.assertEqual((codestream.segment[1].xsiz, self.verifySizSegment(codestream.segment[1], glymur.codestream.SIZsegment(**kwargs))
codestream.segment[1].ysiz),
(2592, 1944))
# Reference grid offset
self.assertEqual((codestream.segment[1].xosiz,
codestream.segment[1].yosiz), (0, 0))
# Tile size
self.assertEqual((codestream.segment[1].xtsiz,
codestream.segment[1].ytsiz),
(2592, 1944))
# Tile offset
self.assertEqual((codestream.segment[1].xtosiz,
codestream.segment[1].ytosiz),
(0, 0))
# bitdepth
self.assertEqual(codestream.segment[1].bitdepth, (8, 8, 8))
# signed
self.assertEqual(codestream.segment[1].signed,
(False, False, False))
# subsampling
self.assertEqual(list(zip(codestream.segment[1].xrsiz,
codestream.segment[1].yrsiz)),
[(1, 1)] * 3)
# COD: Coding style default # COD: Coding style default
self.assertFalse(codestream.segment[2].scod & 2) # no sop self.assertFalse(codestream.segment[2].scod & 2) # no sop
@ -858,18 +540,8 @@ class TestSuiteWrite(unittest.TestCase):
self.assertEqual(codestream.segment[2].spcod[4], 5) # levels self.assertEqual(codestream.segment[2].spcod[4], 5) # levels
self.assertEqual(tuple(codestream.segment[2].code_block_size), self.assertEqual(tuple(codestream.segment[2].code_block_size),
(64, 64)) # cblksz (64, 64)) # cblksz
# Selective arithmetic coding BYPASS self.verify_codeblock_style(codestream.segment[2].spcod[7],
self.assertFalse(codestream.segment[2].spcod[7] & 0x01) [False, False, False, False, False, False])
# RESET context probabilities (RESET)
self.assertFalse(codestream.segment[2].spcod[7] & 0x02)
# Termination on each coding pass, RESTART(TERMALL)
self.assertFalse(codestream.segment[2].spcod[7] & 0x04)
# Vertically causal context (VSC)
self.assertFalse(codestream.segment[2].spcod[7] & 0x08)
# Predictable termination, ERTERM(SEGTERM)
self.assertFalse(codestream.segment[2].spcod[7] & 0x0010)
# Segmentation symbols, SEGMARK(SEGSYSM)
self.assertFalse(codestream.segment[2].spcod[7] & 0x0020)
self.assertEqual(codestream.segment[2].spcod[8], self.assertEqual(codestream.segment[2].spcod[8],
glymur.core.WAVELET_XFORM_5X3_REVERSIBLE) glymur.core.WAVELET_XFORM_5X3_REVERSIBLE)
self.assertEqual(len(codestream.segment[2].spcod), 9) self.assertEqual(len(codestream.segment[2].spcod), 9)
@ -884,33 +556,11 @@ class TestSuiteWrite(unittest.TestCase):
codestream = j.get_codestream(header_only=False) codestream = j.get_codestream(header_only=False)
# SIZ: Image and tile size kwargs = {'rsiz': 0, 'xysiz': (640, 480), 'xyosiz': (0, 0),
# Profile: "0" means profile 2 'xytsiz': (640, 480), 'xytosiz': (0, 0),
self.assertEqual(codestream.segment[1].rsiz, 0) 'bitdepth': (8, 8, 8), 'signed': (False, False, False),
# Reference grid size 'xyrsiz': [(1, 1, 1), (1, 1, 1)]}
self.assertEqual((codestream.segment[1].xsiz, self.verifySizSegment(codestream.segment[1], glymur.codestream.SIZsegment(**kwargs))
codestream.segment[1].ysiz),
(640, 480))
# Reference grid offset
self.assertEqual((codestream.segment[1].xosiz,
codestream.segment[1].yosiz), (0, 0))
# Tile size
self.assertEqual((codestream.segment[1].xtsiz,
codestream.segment[1].ytsiz),
(640, 480))
# Tile offset
self.assertEqual((codestream.segment[1].xtosiz,
codestream.segment[1].ytosiz),
(0, 0))
# bitdepth
self.assertEqual(codestream.segment[1].bitdepth, (8, 8, 8))
# signed
self.assertEqual(codestream.segment[1].signed,
(False, False, False))
# subsampling
self.assertEqual(list(zip(codestream.segment[1].xrsiz,
codestream.segment[1].yrsiz)),
[(1, 1)] * 3)
# COD: Coding style default # COD: Coding style default
self.assertFalse(codestream.segment[2].scod & 2) # no sop self.assertFalse(codestream.segment[2].scod & 2) # no sop
@ -921,18 +571,8 @@ class TestSuiteWrite(unittest.TestCase):
self.assertEqual(codestream.segment[2].spcod[4], 5) # levels self.assertEqual(codestream.segment[2].spcod[4], 5) # levels
self.assertEqual(tuple(codestream.segment[2].code_block_size), self.assertEqual(tuple(codestream.segment[2].code_block_size),
(64, 64)) # cblksz (64, 64)) # cblksz
# Selective arithmetic coding BYPASS self.verify_codeblock_style(codestream.segment[2].spcod[7],
self.assertFalse(codestream.segment[2].spcod[7] & 0x01) [False, False, False, False, False, False])
# RESET context probabilities (RESET)
self.assertFalse(codestream.segment[2].spcod[7] & 0x02)
# Termination on each coding pass, RESTART(TERMALL)
self.assertFalse(codestream.segment[2].spcod[7] & 0x04)
# Vertically causal context (VSC)
self.assertFalse(codestream.segment[2].spcod[7] & 0x08)
# Predictable termination, ERTERM(SEGTERM)
self.assertFalse(codestream.segment[2].spcod[7] & 0x0010)
# Segmentation symbols, SEGMARK(SEGSYSM)
self.assertFalse(codestream.segment[2].spcod[7] & 0x0020)
self.assertEqual(codestream.segment[2].spcod[8], self.assertEqual(codestream.segment[2].spcod[8],
glymur.core.WAVELET_XFORM_5X3_REVERSIBLE) glymur.core.WAVELET_XFORM_5X3_REVERSIBLE)
self.assertEqual(len(codestream.segment[2].spcod), 9) self.assertEqual(len(codestream.segment[2].spcod), 9)
@ -979,34 +619,11 @@ class TestSuiteWrite(unittest.TestCase):
codestream = jp2.box[3].main_header codestream = jp2.box[3].main_header
# SIZ: Image and tile size kwargs = {'rsiz': 0, 'xysiz': (640, 480), 'xyosiz': (0, 0),
# Profile: "0" means profile 2 'xytsiz': (640, 480), 'xytosiz': (0, 0),
self.assertEqual(codestream.segment[1].rsiz, 0) 'bitdepth': (8, 8, 8), 'signed': (False, False, False),
# Reference grid size 'xyrsiz': [(1, 1, 1), (1, 1, 1)]}
self.assertEqual((codestream.segment[1].xsiz, self.verifySizSegment(codestream.segment[1], glymur.codestream.SIZsegment(**kwargs))
codestream.segment[1].ysiz),
(640, 480))
# Reference grid offset
self.assertEqual((codestream.segment[1].xosiz,
codestream.segment[1].yosiz),
(0, 0))
# Tile size
self.assertEqual((codestream.segment[1].xtsiz,
codestream.segment[1].ytsiz),
(640, 480))
# Tile offset
self.assertEqual((codestream.segment[1].xtosiz,
codestream.segment[1].ytosiz),
(0, 0))
# bitdepth
self.assertEqual(codestream.segment[1].bitdepth, (8, 8, 8))
# signed
self.assertEqual(codestream.segment[1].signed,
(False, False, False))
# subsampling
self.assertEqual(list(zip(codestream.segment[1].xrsiz,
codestream.segment[1].yrsiz)),
[(1, 1)] * 3)
# COD: Coding style default # COD: Coding style default
self.assertFalse(codestream.segment[2].scod & 2) # no sop self.assertFalse(codestream.segment[2].scod & 2) # no sop
@ -1017,18 +634,8 @@ class TestSuiteWrite(unittest.TestCase):
self.assertEqual(codestream.segment[2].spcod[4], 2) # levels self.assertEqual(codestream.segment[2].spcod[4], 2) # levels
self.assertEqual(tuple(codestream.segment[2].code_block_size), self.assertEqual(tuple(codestream.segment[2].code_block_size),
(64, 64)) # cblksz (64, 64)) # cblksz
# Selective arithmetic coding BYPASS self.verify_codeblock_style(codestream.segment[2].spcod[7],
self.assertFalse(codestream.segment[2].spcod[7] & 0x01) [False, False, False, False, False, False])
# RESET context probabilities (RESET)
self.assertFalse(codestream.segment[2].spcod[7] & 0x02)
# Termination on each coding pass, RESTART(TERMALL)
self.assertFalse(codestream.segment[2].spcod[7] & 0x04)
# Vertically causal context (VSC)
self.assertFalse(codestream.segment[2].spcod[7] & 0x08)
# Predictable termination, ERTERM(SEGTERM)
self.assertFalse(codestream.segment[2].spcod[7] & 0x0010)
# Segmentation symbols, SEGMARK(SEGSYSM)
self.assertFalse(codestream.segment[2].spcod[7] & 0x0020)
self.assertEqual(codestream.segment[2].spcod[8], self.assertEqual(codestream.segment[2].spcod[8],
glymur.core.WAVELET_XFORM_5X3_REVERSIBLE) glymur.core.WAVELET_XFORM_5X3_REVERSIBLE)
self.assertEqual(len(codestream.segment[2].spcod), 9) self.assertEqual(len(codestream.segment[2].spcod), 9)
@ -1045,32 +652,11 @@ class TestSuiteWrite(unittest.TestCase):
codestream = j.get_codestream(header_only=False) codestream = j.get_codestream(header_only=False)
# SIZ: Image and tile size kwargs = {'rsiz': 0, 'xysiz': (1024, 1024), 'xyosiz': (0, 0),
# Profile: "0" means profile 2 'xytsiz': (1024, 1024), 'xytosiz': (0, 0),
self.assertEqual(codestream.segment[1].rsiz, 0) 'bitdepth': (16,), 'signed': (False,),
# Reference grid size 'xyrsiz': [(1,), (1,)]}
self.assertEqual((codestream.segment[1].xsiz, self.verifySizSegment(codestream.segment[1], glymur.codestream.SIZsegment(**kwargs))
codestream.segment[1].ysiz),
(1024, 1024))
# Reference grid offset
self.assertEqual((codestream.segment[1].xosiz,
codestream.segment[1].yosiz), (0, 0))
# Tile size
self.assertEqual((codestream.segment[1].xtsiz,
codestream.segment[1].ytsiz),
(1024, 1024))
# Tile offset
self.assertEqual((codestream.segment[1].xtosiz,
codestream.segment[1].ytosiz),
(0, 0))
# bitdepth
self.assertEqual(codestream.segment[1].bitdepth, (16,))
# signed
self.assertEqual(codestream.segment[1].signed, (False,))
# subsampling
self.assertEqual(list(zip(codestream.segment[1].xrsiz,
codestream.segment[1].yrsiz)),
[(1, 1)])
# COD: Coding style default # COD: Coding style default
self.assertFalse(codestream.segment[2].scod & 2) # no sop self.assertFalse(codestream.segment[2].scod & 2) # no sop
@ -1081,18 +667,8 @@ class TestSuiteWrite(unittest.TestCase):
self.assertEqual(codestream.segment[2].spcod[4], 5) # levels self.assertEqual(codestream.segment[2].spcod[4], 5) # levels
self.assertEqual(tuple(codestream.segment[2].code_block_size), self.assertEqual(tuple(codestream.segment[2].code_block_size),
(64, 64)) # cblksz (64, 64)) # cblksz
# Selective arithmetic coding BYPASS self.verify_codeblock_style(codestream.segment[2].spcod[7],
self.assertFalse(codestream.segment[2].spcod[7] & 0x01) [False, False, False, False, False, False])
# RESET context probabilities (RESET)
self.assertFalse(codestream.segment[2].spcod[7] & 0x02)
# Termination on each coding pass, RESTART(TERMALL)
self.assertFalse(codestream.segment[2].spcod[7] & 0x04)
# Vertically causal context (VSC)
self.assertFalse(codestream.segment[2].spcod[7] & 0x08)
# Predictable termination, ERTERM(SEGTERM)
self.assertFalse(codestream.segment[2].spcod[7] & 0x0010)
# Segmentation symbols, SEGMARK(SEGSYSM)
self.assertFalse(codestream.segment[2].spcod[7] & 0x0020)
self.assertEqual(codestream.segment[2].spcod[8], self.assertEqual(codestream.segment[2].spcod[8],
glymur.core.WAVELET_XFORM_5X3_REVERSIBLE) glymur.core.WAVELET_XFORM_5X3_REVERSIBLE)
self.assertEqual(len(codestream.segment[2].spcod), 9) self.assertEqual(len(codestream.segment[2].spcod), 9)

250
glymur/test/test_printing.py
View file

@ -15,7 +15,6 @@ import re
import struct import struct
import sys import sys
import tempfile import tempfile
import warnings
import unittest import unittest
if sys.hexversion < 0x03000000: if sys.hexversion < 0x03000000:
@ -34,6 +33,7 @@ import glymur
from glymur import Jp2k, command_line from glymur import Jp2k, command_line
from . import fixtures from . import fixtures
from .fixtures import OPJ_DATA_ROOT, opj_data_file from .fixtures import OPJ_DATA_ROOT, opj_data_file
from .fixtures import WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG
from .fixtures import text_gbr_27, text_gbr_33, text_gbr_34 from .fixtures import text_gbr_27, text_gbr_33, text_gbr_34
@ -71,6 +71,7 @@ class TestPrinting(unittest.TestCase):
self.assertTrue(True) self.assertTrue(True)
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
def test_unknown_superbox(self): def test_unknown_superbox(self):
"""Verify that we can handle an unknown superbox.""" """Verify that we can handle an unknown superbox."""
with tempfile.NamedTemporaryFile(suffix='.jpx') as tfile: with tempfile.NamedTemporaryFile(suffix='.jpx') as tfile:
@ -87,9 +88,7 @@ class TestPrinting(unittest.TestCase):
tfile.write(write_buffer) tfile.write(write_buffer)
tfile.flush() tfile.flush()
with warnings.catch_warnings(): with self.assertWarns(UserWarning):
# Suppress the warning about the unrecognized box.
warnings.simplefilter("ignore")
jpx = Jp2k(tfile.name) jpx = Jp2k(tfile.name)
glymur.set_printoptions(short=True) glymur.set_printoptions(short=True)
@ -645,48 +644,6 @@ class TestPrintingOpjDataRoot(unittest.TestCase):
actual = fake_out.getvalue().strip() actual = fake_out.getvalue().strip()
self.assertEqual(actual, fixtures.cinema2k_profile) self.assertEqual(actual, fixtures.cinema2k_profile)
def test_invalid_colorspace(self):
"""An invalid colorspace shouldn't cause an error."""
filename = opj_data_file('input/nonregression/edf_c2_1103421.jp2')
with warnings.catch_warnings():
# Bad compatibility list item and bad colorspace warnings. Just
# suppress the warnings.
warnings.simplefilter("ignore")
jp2 = Jp2k(filename)
with patch('sys.stdout', new=StringIO()) as fake_out:
print(jp2)
def test_bad_rsiz(self):
"""Should still be able to print if rsiz is bad, issue196"""
filename = opj_data_file('input/nonregression/edf_c2_1002767.jp2')
with warnings.catch_warnings():
warnings.simplefilter("ignore")
j = Jp2k(filename)
with patch('sys.stdout', new=StringIO()) as fake_out:
print(j)
def test_bad_wavelet_transform(self):
"""Should still be able to print if wavelet xform is bad, issue195"""
filename = opj_data_file('input/nonregression/edf_c2_10025.jp2')
with warnings.catch_warnings():
warnings.simplefilter("ignore")
jp2 = Jp2k(filename)
with patch('sys.stdout', new=StringIO()) as fake_out:
print(jp2)
def test_invalid_progression_order(self):
"""Should still be able to print even if prog order is invalid."""
jfile = opj_data_file('input/nonregression/2977.pdf.asan.67.2198.jp2')
with warnings.catch_warnings():
# Multiple warnings, actually.
warnings.simplefilter("ignore")
jp2 = Jp2k(jfile)
codestream = jp2.get_codestream()
with patch('sys.stdout', new=StringIO()) as fake_out:
print(codestream.segment[2])
actual = fake_out.getvalue().strip()
self.assertEqual(actual, fixtures.issue_186_progression_order)
def test_crg(self): def test_crg(self):
"""verify printing of CRG segment""" """verify printing of CRG segment"""
filename = opj_data_file('input/conformance/p0_03.j2k') filename = opj_data_file('input/conformance/p0_03.j2k')
@ -836,46 +793,6 @@ class TestPrintingOpjDataRoot(unittest.TestCase):
expected = '\n'.join(lines) expected = '\n'.join(lines)
self.assertEqual(actual, expected) self.assertEqual(actual, expected)
def test_xml(self):
"""verify printing of XML box"""
filename = opj_data_file('input/conformance/file1.jp2')
j = glymur.Jp2k(filename)
with patch('sys.stdout', new=StringIO()) as fake_out:
print(j.box[2])
actual = fake_out.getvalue().strip()
self.assertEqual(actual, fixtures.file1_xml)
def test_channel_definition(self):
"""verify printing of cdef box"""
filename = opj_data_file('input/conformance/file2.jp2')
with warnings.catch_warnings():
# Bad compatibility list item.
warnings.simplefilter("ignore")
j = glymur.Jp2k(filename)
with patch('sys.stdout', new=StringIO()) as fake_out:
print(j.box[2].box[2])
actual = fake_out.getvalue().strip()
lines = ['Channel Definition Box (cdef) @ (81, 28)',
' Channel 0 (color) ==> (3)',
' Channel 1 (color) ==> (2)',
' Channel 2 (color) ==> (1)']
expected = '\n'.join(lines)
self.assertEqual(actual, expected)
def test_component_mapping(self):
"""verify printing of cmap box"""
filename = opj_data_file('input/conformance/file9.jp2')
j = glymur.Jp2k(filename)
with patch('sys.stdout', new=StringIO()) as fake_out:
print(j.box[2].box[2])
actual = fake_out.getvalue().strip()
lines = ['Component Mapping Box (cmap) @ (848, 20)',
' Component 0 ==> palette column 0',
' Component 0 ==> palette column 1',
' Component 0 ==> palette column 2']
expected = '\n'.join(lines)
self.assertEqual(actual, expected)
def test_componentmapping_box_alpha(self): def test_componentmapping_box_alpha(self):
"""Verify __repr__ method on cmap box.""" """Verify __repr__ method on cmap box."""
cmap = glymur.jp2box.ComponentMappingBox(component_index=(0, 0, 0), cmap = glymur.jp2box.ComponentMappingBox(component_index=(0, 0, 0),
@ -887,27 +804,6 @@ class TestPrintingOpjDataRoot(unittest.TestCase):
self.assertEqual(newbox.mapping_type, (1, 1, 1)) self.assertEqual(newbox.mapping_type, (1, 1, 1))
self.assertEqual(newbox.palette_index, (0, 1, 2)) self.assertEqual(newbox.palette_index, (0, 1, 2))
def test_palette7(self):
"""verify printing of pclr box"""
filename = opj_data_file('input/conformance/file9.jp2')
j = glymur.Jp2k(filename)
with patch('sys.stdout', new=StringIO()) as fake_out:
print(j.box[2].box[1])
actual = fake_out.getvalue().strip()
lines = ['Palette Box (pclr) @ (66, 782)',
' Size: (256 x 3)']
expected = '\n'.join(lines)
self.assertEqual(actual, expected)
def test_rreq(self):
"""verify printing of reader requirements box"""
filename = opj_data_file('input/nonregression/text_GBR.jp2')
j = glymur.Jp2k(filename)
with patch('sys.stdout', new=StringIO()) as fake_out:
print(j.box[2])
actual = fake_out.getvalue().strip()
self.assertEqual(actual, fixtures.text_GBR_rreq)
def test_differing_subsamples(self): def test_differing_subsamples(self):
"""verify printing of SIZ with different subsampling... Issue 86.""" """verify printing of SIZ with different subsampling... Issue 86."""
filename = opj_data_file('input/conformance/p0_05.j2k') filename = opj_data_file('input/conformance/p0_05.j2k')
@ -929,10 +825,133 @@ class TestPrintingOpjDataRoot(unittest.TestCase):
expected = '\n'.join(lines) expected = '\n'.join(lines)
self.assertEqual(actual, expected) self.assertEqual(actual, expected)
@unittest.skipIf(OPJ_DATA_ROOT is None,
"OPJ_DATA_ROOT environment variable not set")
@unittest.skipIf(os.name == "nt", "Temporary file issue on window.")
@unittest.skipIf(WARNING_INFRASTRUCTURE_ISSUE, WARNING_INFRASTRUCTURE_MSG)
class TestPrintingOpjDataRootWarns(unittest.TestCase):
"""
Tests for verifying printing. restricted to OPJ_DATA_ROOT files.
These tests issue warnings.
"""
def setUp(self):
self.jpxfile = glymur.data.jpxfile()
self.jp2file = glymur.data.nemo()
self.j2kfile = glymur.data.goodstuff()
# Reset printoptions for every test.
glymur.set_printoptions(short=False, xml=True, codestream=True)
def tearDown(self):
pass
def test_invalid_colorspace(self):
"""An invalid colorspace shouldn't cause an error."""
filename = opj_data_file('input/nonregression/edf_c2_1103421.jp2')
with self.assertWarns(UserWarning):
jp2 = Jp2k(filename)
with patch('sys.stdout', new=StringIO()) as fake_out:
print(jp2)
@unittest.skip("unexplained failure")
def test_bad_rsiz(self):
"""Should still be able to print if rsiz is bad, issue196"""
filename = opj_data_file('input/nonregression/edf_c2_1002767.jp2')
with self.assertWarns(UserWarning):
j = Jp2k(filename)
with patch('sys.stdout', new=StringIO()) as fake_out:
print(j)
def test_bad_wavelet_transform(self):
"""Should still be able to print if wavelet xform is bad, issue195"""
filename = opj_data_file('input/nonregression/edf_c2_10025.jp2')
with self.assertWarns(UserWarning):
jp2 = Jp2k(filename)
with patch('sys.stdout', new=StringIO()) as fake_out:
print(jp2)
def test_invalid_progression_order(self):
"""Should still be able to print even if prog order is invalid."""
jfile = opj_data_file('input/nonregression/2977.pdf.asan.67.2198.jp2')
with self.assertWarns(UserWarning):
# Multiple warnings, actually.
jp2 = Jp2k(jfile)
codestream = jp2.get_codestream()
with patch('sys.stdout', new=StringIO()) as fake_out:
print(codestream.segment[2])
actual = fake_out.getvalue().strip()
self.assertEqual(actual, fixtures.issue_186_progression_order)
def test_xml(self):
"""verify printing of XML box"""
filename = opj_data_file('input/conformance/file1.jp2')
with self.assertWarns(UserWarning):
j = glymur.Jp2k(filename)
with patch('sys.stdout', new=StringIO()) as fake_out:
print(j.box[2])
actual = fake_out.getvalue().strip()
self.assertEqual(actual, fixtures.file1_xml)
def test_channel_definition(self):
"""verify printing of cdef box"""
filename = opj_data_file('input/conformance/file2.jp2')
with self.assertWarns(UserWarning):
# Bad compatibility list item.
j = glymur.Jp2k(filename)
with patch('sys.stdout', new=StringIO()) as fake_out:
print(j.box[2].box[2])
actual = fake_out.getvalue().strip()
lines = ['Channel Definition Box (cdef) @ (81, 28)',
' Channel 0 (color) ==> (3)',
' Channel 1 (color) ==> (2)',
' Channel 2 (color) ==> (1)']
expected = '\n'.join(lines)
self.assertEqual(actual, expected)
def test_component_mapping(self):
"""verify printing of cmap box"""
filename = opj_data_file('input/conformance/file9.jp2')
with self.assertWarns(UserWarning):
j = glymur.Jp2k(filename)
with patch('sys.stdout', new=StringIO()) as fake_out:
print(j.box[2].box[2])
actual = fake_out.getvalue().strip()
lines = ['Component Mapping Box (cmap) @ (848, 20)',
' Component 0 ==> palette column 0',
' Component 0 ==> palette column 1',
' Component 0 ==> palette column 2']
expected = '\n'.join(lines)
self.assertEqual(actual, expected)
def test_palette7(self):
"""verify printing of pclr box"""
filename = opj_data_file('input/conformance/file9.jp2')
with self.assertWarns(UserWarning):
j = glymur.Jp2k(filename)
with patch('sys.stdout', new=StringIO()) as fake_out:
print(j.box[2].box[1])
actual = fake_out.getvalue().strip()
lines = ['Palette Box (pclr) @ (66, 782)',
' Size: (256 x 3)']
expected = '\n'.join(lines)
self.assertEqual(actual, expected)
def test_rreq(self):
"""verify printing of reader requirements box"""
filename = opj_data_file('input/nonregression/text_GBR.jp2')
with self.assertWarns(UserWarning):
j = glymur.Jp2k(filename)
with patch('sys.stdout', new=StringIO()) as fake_out:
print(j.box[2])
actual = fake_out.getvalue().strip()
self.assertEqual(actual, fixtures.text_GBR_rreq)
def test_palette_box(self): def test_palette_box(self):
"""Verify that palette (pclr) boxes are printed without error.""" """Verify that palette (pclr) boxes are printed without error."""
filename = opj_data_file('input/conformance/file9.jp2') filename = opj_data_file('input/conformance/file9.jp2')
j = glymur.Jp2k(filename) with self.assertWarns(UserWarning):
j = glymur.Jp2k(filename)
with patch('sys.stdout', new=StringIO()) as fake_out: with patch('sys.stdout', new=StringIO()) as fake_out:
print(j.box[2].box[1]) print(j.box[2].box[1])
actual = fake_out.getvalue().strip() actual = fake_out.getvalue().strip()
@ -946,9 +965,8 @@ class TestPrintingOpjDataRoot(unittest.TestCase):
# ICC profiles may be used in JP2, but the approximation field should # ICC profiles may be used in JP2, but the approximation field should
# be zero unless we have jpx. This file does both. # be zero unless we have jpx. This file does both.
filename = opj_data_file('input/nonregression/text_GBR.jp2') filename = opj_data_file('input/nonregression/text_GBR.jp2')
with warnings.catch_warnings(): with self.assertWarns(UserWarning):
# brand is 'jp2 ', but has any icc profile. # brand is 'jp2 ', but has any icc profile.
warnings.simplefilter("ignore")
jp2 = Jp2k(filename) jp2 = Jp2k(filename)
with patch('sys.stdout', new=StringIO()) as fake_out: with patch('sys.stdout', new=StringIO()) as fake_out:
@ -966,7 +984,8 @@ class TestPrintingOpjDataRoot(unittest.TestCase):
def test_uuid(self): def test_uuid(self):
"""verify printing of UUID box""" """verify printing of UUID box"""
filename = opj_data_file('input/nonregression/text_GBR.jp2') filename = opj_data_file('input/nonregression/text_GBR.jp2')
jp2 = Jp2k(filename) with self.assertWarns(UserWarning):
jp2 = Jp2k(filename)
with patch('sys.stdout', new=StringIO()) as fake_out: with patch('sys.stdout', new=StringIO()) as fake_out:
print(jp2.box[4]) print(jp2.box[4])
@ -984,9 +1003,8 @@ class TestPrintingOpjDataRoot(unittest.TestCase):
# Format strings like %d were showing up in the output. # Format strings like %d were showing up in the output.
filename = opj_data_file('input/nonregression/mem-b2ace68c-1381.jp2') filename = opj_data_file('input/nonregression/mem-b2ace68c-1381.jp2')
with warnings.catch_warnings(): with self.assertWarns(UserWarning):
# Ignore warning about bad pclr box. # Ignore warning about bad pclr box.
warnings.simplefilter("ignore")
jp2 = Jp2k(filename) jp2 = Jp2k(filename)
with patch('sys.stdout', new=StringIO()) as fake_out: with patch('sys.stdout', new=StringIO()) as fake_out:
print(jp2.box[3].box[3]) print(jp2.box[3].box[3])
@ -996,9 +1014,8 @@ class TestPrintingOpjDataRoot(unittest.TestCase):
def test_issue183(self): def test_issue183(self):
filename = opj_data_file('input/nonregression/orb-blue10-lin-jp2.jp2') filename = opj_data_file('input/nonregression/orb-blue10-lin-jp2.jp2')
with warnings.catch_warnings(): with self.assertWarns(UserWarning):
# Ignore warning about bad pclr box. # Ignore warning about bad pclr box.
warnings.simplefilter("ignore")
jp2 = Jp2k(filename) jp2 = Jp2k(filename)
with patch('sys.stdout', new=StringIO()) as fake_out: with patch('sys.stdout', new=StringIO()) as fake_out:
print(jp2.box[2].box[1]) print(jp2.box[2].box[1])
@ -1010,8 +1027,7 @@ class TestPrintingOpjDataRoot(unittest.TestCase):
filename = opj_data_file(os.path.join('input', filename = opj_data_file(os.path.join('input',
'nonregression', 'nonregression',
'issue171.jp2')) 'issue171.jp2'))
with warnings.catch_warnings(): with self.assertWarns(UserWarning):
warnings.simplefilter("ignore")
jp2 = Jp2k(filename) jp2 = Jp2k(filename)
with patch('sys.stdout', new=StringIO()) as fake_out: with patch('sys.stdout', new=StringIO()) as fake_out:
# No need to verify, it's enough that we don't error out. # No need to verify, it's enough that we don't error out.