Merge pull request #1013 from girder/tiny-test-source

Support tiny images from the test source.
girder · Dec 15, 2022 · 5ed3a3f · 5ed3a3f
2 parents e66bec8 + b33ed03
commit 5ed3a3f
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -4,6 +4,7 @@
 
 ### Improvements
 - Better release file handles ([#1007](../../pull/1007))
+- Support tiny images from the test source ([#1011](../../pull/1011))
 
 ### Changes
 - Don't report filename in internal PIL metadata ([#1006](../../pull/1006))

diff --git a/sources/test/large_image_source_test/__init__.py b/sources/test/large_image_source_test/__init__.py
@@ -94,8 +94,8 @@ def __init__(self, ignored_path=None, minLevel=0, maxLevel=9,
                       if not sizeX else sizeX)
         self.sizeY = (((2 ** self.maxLevel) * self.tileHeight)
                       if not sizeY else sizeY)
-        self.maxLevel = int(math.ceil(math.log2(max(
-            self.sizeX / self.tileWidth, self.sizeY / self.tileHeight))))
+        self.maxLevel = max(0, int(math.ceil(math.log2(max(
+            self.sizeX / self.tileWidth, self.sizeY / self.tileHeight)))))
         self.frameSpec = frames or None
         self.monochrome = bool(monochrome)
         self.bandSpec = bands or None