Deal with simple cases of stacked compression on JPXDecode images

2 files changed, 10 insertions, 0 deletions

diff --git a/tests/resources/pike-flate-jp2.pdf b/tests/resources/pike-flate-jp2.pdf
new file mode 100644
index 0000000..c074e69
--- /dev/null
+++ b/tests/resources/pike-flate-jp2.pdf
diff --git a/tests/test_image_access.py b/tests/test_image_access.py
index 47ffccb..d4625d5 100644
--- a/tests/test_image_access.py
+++ b/tests/test_image_access.py
@@ -322,3 +322,13 @@ def test_icc_extract(resources):
 
     pim = PdfImage(xobj)
     assert pim.as_pil_image().info['icc_profile'] == pim.icc.tobytes()
+
+
+def test_stacked_compression(resources):
+    xobj, _pdf = first_image_in(resources / 'pike-flate-jp2.pdf')
+
+    pim = PdfImage(xobj)
+    assert pim.mode == 'RGB'
+    assert pim.colorspace == '/DeviceRGB'
+    assert pim.bits_per_component == 8
+    assert pim.filters == ['/FlateDecode', '/JPXDecode']