diff --git a/testing/resources/pixel/bug_1949.in b/testing/resources/pixel/bug_1949.in
new file mode 100644
index 0000000..5e7afd3
--- /dev/null
+++ b/testing/resources/pixel/bug_1949.in
@@ -0,0 +1,133 @@
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+  /Type /Catalog
+  /Pages 2 0 R
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+{{object 2 0}} <<
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+  /Kids [3 0 R]
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+>>
+stream
+
+% Opaque black background.
+q
+  0 0 0 rg
+  0 0 44 24 re
+  f
+Q
+
+% Transparency group drawn with constant alpha.
+q
+  1 0 0 1 4 4 cm
+  /GSHalfAlphaConstant gs
+
+  /HalfAlphaSquare Do
+Q
+
+% Transparency group drawn with a soft mask.
+q
+  1 0 0 1 24 4 cm
+  /GSHalfAlphaMask gs
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+  /HalfAlphaSquare Do
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+endstream
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+
+% Graphics state with a 0.5 non-stroking alpha constant.
+{{object 5 0}} <<
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+  /ca 0.5
+>>
+endobj
+
+% Graphics state with a soft mask containing a 0.5 alpha central hole.
+{{object 6 0}} <<
+  /Type /ExtGState
+  /SMask <<
+    /Type /Mask
+    /S /Luminosity
+    /G 7 0 R
+  >>
+>>
+endobj
+{{object 7 0}} <<
+  /Type /XObject
+  /Subtype /Form
+  /BBox [0 0 16 16]
+  /Group <<
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+    /S /Transparency
+    /CS /DeviceGray
+    /I true
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+  {{streamlen}}
+>>
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+  1 g
+  0 0 16 16 re
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+
+  0.5 g
+  4 4 8 8 re
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+endstream
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+% Transparency group containing a 0.5 alpha white square.
+{{object 8 0}} <<
+  /Type /XObject
+  /Subtype /Form
+  /BBox [0 0 16 16]
+  /Group <<
+    /Type /Group
+    /S /Transparency
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+  /GSHalfAlphaConstant gs
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+  1 1 1 rg
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+{{xref}}
+{{trailer}}
+{{startxref}}
+%%EOF
diff --git a/testing/resources/pixel/bug_1949_expected.pdf.0.png b/testing/resources/pixel/bug_1949_expected.pdf.0.png
new file mode 100644
index 0000000..c215044
--- /dev/null
+++ b/testing/resources/pixel/bug_1949_expected.pdf.0.png
Binary files differ