Bug 867774 - Tests for animated images with different disposal and bl…

…end modes. r=seth
Brli · Jun 18, 2013 · c489fa2 · c489fa2
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diff --git a/image/test/reftest/animated/clear.gif b/image/test/reftest/animated/clear.gif
diff --git a/image/test/reftest/animated/clear.png b/image/test/reftest/animated/clear.png
diff --git a/image/test/reftest/animated/delaytest.html b/image/test/reftest/animated/delaytest.html
@@ -0,0 +1,46 @@
+<!DOCTYPE HTML>
+<html class="reftest-wait">
+<head>
+<title>Delayed image reftest wrapper + background colour</title>
+<style>
+img {
+  background-color: rgb(0, 255, 0);
+}
+</style>
+</head>
+<body>
+<img id="image1">
+<script>
+// This loads a externally specified image, forces a draw (in case of
+// decode-on-draw), waits, and then triggers the reftest snapshot.
+// This allows the animation on the page to complete.
+//
+// Use as "delaytest.html?animation.png"
+//
+
+// Get the image URL from our URL
+var imgURL = document.location.search.substr(1);
+
+// Load the image
+var img = document.images[0];
+img.src = imgURL;
+img.onload = forceDecode;
+
+function forceDecode() {
+
+  // We need to force drawing of the image in an invisible context
+  var canvas = document.createElement("canvas");
+  var ctx = canvas.getContext("2d");
+  ctx.drawImage(img, 0, 0);
+
+  // We've force the decode. start the timer to trigger the reftest
+  startTimer();
+}
+
+function startTimer() {
+  const delay = 1000;
+  setTimeout("document.documentElement.className = '';", delay);
+}
+</script>
+</body>
+</html>
diff --git a/image/test/reftest/animated/green.png b/image/test/reftest/animated/green.png
diff --git a/image/test/reftest/animated/grey.png b/image/test/reftest/animated/grey.png
diff --git a/image/test/reftest/animated/keep.gif b/image/test/reftest/animated/keep.gif
diff --git a/image/test/reftest/animated/keep.png b/image/test/reftest/animated/keep.png
diff --git a/image/test/reftest/animated/nodelaytest.html b/image/test/reftest/animated/nodelaytest.html
@@ -0,0 +1,40 @@
+<!DOCTYPE HTML>
+<html class="reftest-wait">
+<head>
+<title>Delayed image reftest wrapper + background colour</title>
+<style>
+img {
+  background-color: rgb(0, 255, 0);
+}
+</style>
+</head>
+<body>
+<img id="image1">
+<script>
+// This loads a externally specified image, forces a draw (in case of
+// decode-on-draw), and then triggers the reftest snapshot.
+//
+// Use as "nodelaytest.html?animation.png"
+//
+
+// Get the image URL from our URL
+var imgURL = document.location.search.substr(1);
+
+// Load the image
+var img = document.images[0];
+img.src = imgURL;
+img.onload = forceDecode;
+
+function forceDecode() {
+
+  // We need to force drawing of the image in an invisible context
+  var canvas = document.createElement("canvas");
+  var ctx = canvas.getContext("2d");
+  ctx.drawImage(img, 0, 0);
+
+  // We've force the decode. trigger the reftest
+  setTimeout("document.documentElement.className = '';", 0);
+}
+</script>
+</body>
+</html>
diff --git a/image/test/reftest/animated/over.png b/image/test/reftest/animated/over.png
diff --git a/image/test/reftest/animated/reftest.list b/image/test/reftest/animated/reftest.list
@@ -0,0 +1,12 @@
+# Tests of the allowed disposal operators for both GIF and APNG: keep, clear,
+# and restore previous.
+== delaytest.html?clear.gif nodelaytest.html?green.png
+== delaytest.html?clear.png nodelaytest.html?green.png
+== delaytest.html?keep.gif nodelaytest.html?green.png
+== delaytest.html?keep.png nodelaytest.html?green.png
+== delaytest.html?restore-previous.gif nodelaytest.html?green.png
+== delaytest.html?restore-previous.png nodelaytest.html?green.png
+
+# Test of the blending/compositing operator that only APNG supports.
+== delaytest.html?over.png nodelaytest.html?grey.png
+!= delaytest.html?source.png nodelaytest.html?grey.png
diff --git a/image/test/reftest/animated/restore-previous.gif b/image/test/reftest/animated/restore-previous.gif
diff --git a/image/test/reftest/animated/restore-previous.png b/image/test/reftest/animated/restore-previous.png
diff --git a/image/test/reftest/animated/source.png b/image/test/reftest/animated/source.png
diff --git a/image/test/reftest/reftest.list b/image/test/reftest/reftest.list
@@ -48,3 +48,6 @@ skip-if(Android||B2G) include encoders-lossless/reftest.list # bug 783621
 
 # WBMP tests
 #skip-if(!B2G) include wbmp/reftest.list # bug 852053
+
+# Animated image disposal and blending operator tests
+include animated/reftest.list