Ensure that colour.io.process_image_OpenColorIO definition handles non-contiguous arrays.

KelSolaar · KelSolaar · commit 387c9e510a36 · 2024-10-10T16:36:46.000+13:00
References AcademySoftwareFoundation/OpenColorIO#2075
diff --git a/colour/io/ocio.py b/colour/io/ocio.py
@@ -136,7 +136,7 @@ def process_image_OpenColorIO(a: ArrayLike, *args: Any, **kwargs: Any) -> NDArra
 
     a = as_float_array(a)
     shape, dtype = a.shape, a.dtype
-    a = as_3_channels_image(a).astype(np.float32)
+    a = np.ascontiguousarray(as_3_channels_image(a).astype(np.float32))
 
     height, width, channels = a.shape
 
diff --git a/colour/io/tests/test_ocio.py b/colour/io/tests/test_ocio.py
@@ -8,7 +8,7 @@
 
 from colour.constants import TOLERANCE_ABSOLUTE_TESTS
 from colour.io import process_image_OpenColorIO
-from colour.utilities import full, is_opencolorio_installed
+from colour.utilities import full, is_opencolorio_installed, tstack
 
 __author__ = "Colour Developers"
 __copyright__ = "Copyright 2013 Colour Developers"
@@ -103,3 +103,20 @@ def test_process_image_OpenColorIO(self):
             ),
             atol=TOLERANCE_ABSOLUTE_TESTS,
         )
+
+        np.testing.assert_allclose(
+            process_image_OpenColorIO(
+                tstack(([0.2, 0.4, 0.6], [0.2, 0.4, 0.6], [0.2, 0.4, 0.6])),
+                "ACES - ACES2065-1",
+                "ACES - ACEScct",
+                config=config,
+            ),
+            np.array(
+                [
+                    [0.42226437, 0.42226437, 0.42226437],
+                    [0.47934198, 0.47934198, 0.47934198],
+                    [0.51273096, 0.51273096, 0.51273096],
+                ]
+            ),
+            atol=TOLERANCE_ABSOLUTE_TESTS,
+        )
