1 files changed, 82 insertions, 0 deletions
diff --git a/layout/reftests/svg/filters/feComposite-1.svg b/layout/reftests/svg/filters/feComposite-1.svg
new file mode 100644
index 0000000000..a1dfacc774
--- /dev/null
+++ b/layout/reftests/svg/filters/feComposite-1.svg
@@ -0,0 +1,82 @@
+<svg xmlns="http://www.w3.org/2000/svg">
+
+<filter id="f1" filterUnits="objectBoundingBox" primitiveUnits="objectBoundingBox" 
+         x="0" y="0" width="1" height="1">
+  <feFlood flood-color="#ff0000" flood-opacity="0.5" result="flood"/>
+  <feComposite x="10%" y="10%" width="80%" height="80%" style="color-interpolation-filters:sRGB"
+   in="flood" operator="over" in2="SourceGraphic"/>
+</filter>
+<g filter="url(#f1)">
+  <rect x="0" y="0" width="50" height="100" fill="#00ff00"/>
+  <rect x="50" y="0" width="50" height="100" fill="#00ff00" opacity="0"/>
+</g>
+
+<filter id="f2" filterUnits="objectBoundingBox" primitiveUnits="objectBoundingBox" 
+         x="0" y="0" width="1" height="1">
+  <feFlood flood-color="#ff0000" result="flood"/>
+  <feComposite x="10%" y="10%" width="80%" height="80%" style="color-interpolation-filters:sRGB"
+   in="flood" operator="in" in2="SourceGraphic"/>
+</filter>
+<g filter="url(#f2)">
+  <rect x="100" y="0" width="50" height="100" fill="#00ff00"/>
+  <rect x="150" y="0" width="50" height="100" fill="#00ff00" opacity="0"/>
+</g>
+
+<filter id="f3" filterUnits="objectBoundingBox" primitiveUnits="objectBoundingBox" 
+         x="0" y="0" width="1" height="1">
+  <feFlood flood-color="#ff0000" result="flood"/>
+  <feComposite x="10%" y="10%" width="80%" height="80%" style="color-interpolation-filters:sRGB"
+   in="flood" operator="out" in2="SourceGraphic"/>
+</filter>
+<g filter="url(#f3)">
+  <rect x="200" y="0" width="50" height="100" fill="#00ff00"/>
+  <rect x="250" y="0" width="50" height="100" fill="#00ff00" opacity="0"/>
+</g>
+
+<filter id="f4" filterUnits="objectBoundingBox" primitiveUnits="objectBoundingBox" 
+         x="0" y="0" width="1" height="1">
+  <feFlood flood-color="#ff0000" flood-opacity="0.5" result="flood"/>
+  <feComposite x="10%" y="10%" width="80%" height="80%" style="color-interpolation-filters:sRGB"
+   in="flood" operator="atop" in2="SourceGraphic"/>
+</filter>
+<g filter="url(#f4)">
+  <rect x="300" y="0" width="50" height="100" fill="#00ff00"/>
+  <rect x="350" y="0" width="50" height="100" fill="#00ff00" opacity="0"/>
+</g>
+
+<filter id="f5" filterUnits="objectBoundingBox" primitiveUnits="objectBoundingBox" 
+         x="0" y="0" width="1" height="1">
+  <feFlood flood-color="#ff0000" result="flood"/>
+  <feComposite x="10%" y="10%" width="80%" height="80%" style="color-interpolation-filters:sRGB"
+   in="flood" operator="xor" in2="SourceGraphic"/>
+</filter>
+<g filter="url(#f5)">
+  <rect x="400" y="0" width="50" height="100" fill="#00ff00"/>
+  <rect x="450" y="0" width="50" height="100" fill="#00ff00" opacity="0"/>
+</g>
+
+<filter id="f6" filterUnits="objectBoundingBox" primitiveUnits="objectBoundingBox" 
+         x="0" y="0" width="1" height="1">
+  <feFlood flood-color="#ff0000" result="flood"/>
+  <feComposite x="10%" y="10%" width="80%" height="80%" style="color-interpolation-filters:sRGB"
+   in="flood" operator="arithmetic" in2="SourceGraphic"
+   k2="1" k3="1"/>
+</filter>
+<g filter="url(#f6)">
+  <rect x="500" y="0" width="50" height="100" fill="#00ff00"/>
+  <rect x="550" y="0" width="50" height="100" fill="#00ff00" opacity="0"/>
+</g>
+
+<!-- Test the tricky case where the arithmetic operator leads to drawing outside
+     the bounding box of the source images -->
+<filter id="f7" filterUnits="userSpaceOnUse" primitiveUnits="userSpaceOnUse" 
+         x="0" y="100" width="100" height="100">
+  <feComposite x="10" y="110" width="80" height="80" style="color-interpolation-filters:sRGB"
+   in="SourceGraphic" operator="arithmetic" in2="SourceGraphic"
+   k4="1"/>
+</filter>
+<rect x="0" y="100" width="100" height="100" fill="#000000"/>
+<g filter="url(#f7)">
+</g>
+
+</svg>