Title: [210970] branches/safari-603-branch

Diff

Modified: branches/safari-603-branch/LayoutTests/ChangeLog (210969 => 210970)


--- branches/safari-603-branch/LayoutTests/ChangeLog	2017-01-20 18:09:26 UTC (rev 210969)
+++ branches/safari-603-branch/LayoutTests/ChangeLog	2017-01-20 18:09:30 UTC (rev 210970)
@@ -1,5 +1,22 @@
 2017-01-20  Matthew Hanson  <matthew_han...@apple.com>
 
+        Merge r210951. rdar://problem/29562247
+
+    2017-01-19  Said Abou-Hallawa  <sabouhall...@apple.com>
+
+            REGRESSION(r206156): Animated images are repeated one extra iteration than the value which is saved in the image file
+            https://bugs.webkit.org/show_bug.cgi?id=167174
+
+            Reviewed by Simon Fraser.
+
+            * fast/images/animated-image-loop-count-expected.html: Added.
+            * fast/images/animated-image-loop-count.html: Added.
+            * fast/images/resources/animated-red-green-blue-repeat-1.gif: Added.
+            * fast/images/resources/animated-red-green-blue-repeat-2.gif: Added.
+            Ensure the animated image stops animating after loopCount iterations.
+
+2017-01-20  Matthew Hanson  <matthew_han...@apple.com>
+
         Merge r210945. rdar://problem/28745101
 
     2017-01-19  Jer Noble  <jer.no...@apple.com>

Added: branches/safari-603-branch/LayoutTests/fast/images/animated-image-loop-count-expected.html (0 => 210970)


--- branches/safari-603-branch/LayoutTests/fast/images/animated-image-loop-count-expected.html	                        (rev 0)
+++ branches/safari-603-branch/LayoutTests/fast/images/animated-image-loop-count-expected.html	2017-01-20 18:09:30 UTC (rev 210970)
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<html>
+<style>
+    .box {
+        width: 100px;
+        height: 100px;
+        display: inline-block;
+    } 
+</style>    
+<body>
+    <div>
+        <p>Frames of a 3-frame animated image with loopCount = 1:</p>
+        <div class="box" style="background-color: red;"></div>
+        <div class="box" style="background-color: green;"></div>
+        <div class="box" style="background-color: blue;"></div>
+        <div class="box" style="background-color: blue;"></div>
+    </div>
+    <div>
+        <p>Frames of a 3-frame animated image with loopCount = 2:</p>
+        <div class="box" style="background-color: red;"></div>
+        <div class="box" style="background-color: green;"></div>
+        <div class="box" style="background-color: blue;"></div>
+        <div class="box" style="background-color: red;"></div>
+        <div class="box" style="background-color: green;"></div>
+        <div class="box" style="background-color: blue;"></div>
+        <div class="box" style="background-color: blue;"></div>
+    </div>
+</body>
+</html>

Added: branches/safari-603-branch/LayoutTests/fast/images/animated-image-loop-count.html (0 => 210970)


--- branches/safari-603-branch/LayoutTests/fast/images/animated-image-loop-count.html	                        (rev 0)
+++ branches/safari-603-branch/LayoutTests/fast/images/animated-image-loop-count.html	2017-01-20 18:09:30 UTC (rev 210970)
@@ -0,0 +1,80 @@
+<!DOCTYPE html>
+<html>
+<style>
+    canvas {
+        width: 100px;
+        height: 100px;
+    }
+</style>    
+<body>
+    <div>
+        <p>Frames of a 3-frame animated image with loopCount = 1:</p>
+        <canvas id="canvas-1"></canvas>
+        <canvas id="canvas-2"></canvas>
+        <canvas id="canvas-3"></canvas>
+        <canvas id="canvas-4"></canvas>
+    </div>
+    <div>
+        <p>Frames of a 3-frame animated image with loopCount = 2:</p>
+        <canvas id="canvas-a"></canvas>
+        <canvas id="canvas-b"></canvas>
+        <canvas id="canvas-c"></canvas>
+        <canvas id="canvas-d"></canvas>
+        <canvas id="canvas-e"></canvas>
+        <canvas id="canvas-f"></canvas>
+        <canvas id="canvas-g"></canvas>
+    </div>
+    <script>
+        function drawFrame(image, canvasId) {
+            return new Promise((resolve) => {
+                let canvas = document.getElementById("canvas-" + canvasId);
+                let context = canvas.getContext("2d");
+                context.drawImage(image, 0, 0, canvas.width, canvas.height);
+                setTimeout(() => {
+                    resolve(String.fromCharCode(canvasId.charCodeAt() + 1));
+                }, 30);
+            });
+        }
+
+        function drawImage(image, canvasId, frameCount) {
+            let promise = drawFrame(image, canvasId);
+            for (let frame = 1; frame < frameCount; ++frame) {
+                promise = promise.then((canvasId) => {
+                    return drawFrame(image, canvasId);
+                });
+            }
+            return promise;
+        }
+
+        function loadImage(src, canvasId, frameCount) {
+            return new Promise((resolve) => {
+                let image = new Image;
+                image._onload_ = (() => {
+                    drawImage(image, canvasId, frameCount).then(resolve);
+                });
+                image.src = ""
+            });
+        }
+
+        (function() {
+            if (window.testRunner)
+                testRunner.waitUntilDone();
+
+            var images = [
+                { src: "resources/animated-red-green-blue-repeat-1.gif", canvasId: '1', frameCount: 4 },
+                { src: "resources/animated-red-green-blue-repeat-2.gif", canvasId: 'a', frameCount: 7 }
+            ];
+
+            var promises = [];
+
+            for (let image of images)
+                promises.push(loadImage(image.src, image.canvasId, image.frameCount));
+            
+            Promise.all(promises).then(() => {
+                if (window.testRunner)
+                    testRunner.notifyDone();
+            });
+        })();
+    </script>
+</body>
+</html>

Added: branches/safari-603-branch/LayoutTests/fast/images/resources/animated-red-green-blue-repeat-1.gif (0 => 210970)


--- branches/safari-603-branch/LayoutTests/fast/images/resources/animated-red-green-blue-repeat-1.gif	                        (rev 0)
+++ branches/safari-603-branch/LayoutTests/fast/images/resources/animated-red-green-blue-repeat-1.gif	2017-01-20 18:09:30 UTC (rev 210970)
@@ -0,0 +1,10 @@
+GIF89add\xF0\xFF!\xF9!\xFFImageMagick+gamma=0.45455,dds\x84\x8F\xA9\xCB\xED\xA3\x9C\xB4ڋ\xB3޼\xFB\x86\xE2H\x96扦\xEAʶ\xEE\xC7\xF2L\xD7\xF6\x8D\xE7\xFA\xCE\xF7\xFE
+\x87Ģ\xF1\x88L*\x97̦\xF3	\x8DJ\xA7Ԫ\xF5\x8A\xCDj\xB7ܮ\xF7\x8B\xC7\xE4\xB2\xF9\x8CN\xAB\xD7\xEC\xB6\xFB+\x8F\xCB\xE7\xF4\xBA\xFD\x8E\xCF\xEB\xF7\xFC\xBE\xFF(8HXhx\x88\x98\xA8\xB8\xC8\xD8\xE8\xF8iX!\xF9!\xFFImageMagick+gamma=0.45455,dd\x80\x80s\x84\x8F\xA9\xCB\xED\xA3\x9C\xB4ڋ\xB3޼\xFB\x86\xE2H\x96扦\xEAʶ\xEE\xC7\xF2L\xD7\xF6\x8D\xE7\xFA\xCE\xF7\xFE
+\x87Ģ\xF1\x88L*\x97̦\xF3	\x8DJ\xA7Ԫ\xF5\x8A\xCDj\xB7ܮ\xF7\x8B\xC7\xE4\xB2\xF9\x8CN\xAB\xD7\xEC\xB6\xFB+\x8F\xCB\xE7\xF4\xBA\xFD\x8E\xCF\xEB\xF7\xFC\xBE\xFF(8HXhx\x88\x98\xA8\xB8\xC8\xD8\xE8\xF8iX!\xF9!\xFFImageMagick+gamma=0.45455,dd\x80\xFFs\x84\x8F\xA9\xCB\xED\xA3\x9C\xB4ڋ\xB3޼\xFB\x86\xE2H\x96扦\xEAʶ\xEE\xC7\xF2L\xD7\xF6\x8D\xE7\xFA\xCE\xF7\xFE
+\x87Ģ\xF1\x88L*\x97̦\xF3	\x8DJ\xA7Ԫ\xF5\x8A\xCDj\xB7ܮ\xF7\x8B\xC7\xE4\xB2\xF9\x8CN\xAB\xD7\xEC\xB6\xFB+\x8F\xCB\xE7\xF4\xBA\xFD\x8E\xCF\xEB\xF7\xFC\xBE\xFF(8HXhx\x88\x98\xA8\xB8\xC8\xD8\xE8\xF8iX;
\ No newline at end of file

Added: branches/safari-603-branch/LayoutTests/fast/images/resources/animated-red-green-blue-repeat-2.gif (0 => 210970)


--- branches/safari-603-branch/LayoutTests/fast/images/resources/animated-red-green-blue-repeat-2.gif	                        (rev 0)
+++ branches/safari-603-branch/LayoutTests/fast/images/resources/animated-red-green-blue-repeat-2.gif	2017-01-20 18:09:30 UTC (rev 210970)
@@ -0,0 +1,10 @@
+GIF89add\xF0\xFF!\xF9!\xFFNETSCAPE2.0!\xFFImageMagick+gamma=0.45455,dds\x84\x8F\xA9\xCB\xED\xA3\x9C\xB4ڋ\xB3޼\xFB\x86\xE2H\x96扦\xEAʶ\xEE\xC7\xF2L\xD7\xF6\x8D\xE7\xFA\xCE\xF7\xFE
+\x87Ģ\xF1\x88L*\x97̦\xF3	\x8DJ\xA7Ԫ\xF5\x8A\xCDj\xB7ܮ\xF7\x8B\xC7\xE4\xB2\xF9\x8CN\xAB\xD7\xEC\xB6\xFB+\x8F\xCB\xE7\xF4\xBA\xFD\x8E\xCF\xEB\xF7\xFC\xBE\xFF(8HXhx\x88\x98\xA8\xB8\xC8\xD8\xE8\xF8iX!\xF9!\xFFImageMagick+gamma=0.45455,dd\x80\x80s\x84\x8F\xA9\xCB\xED\xA3\x9C\xB4ڋ\xB3޼\xFB\x86\xE2H\x96扦\xEAʶ\xEE\xC7\xF2L\xD7\xF6\x8D\xE7\xFA\xCE\xF7\xFE
+\x87Ģ\xF1\x88L*\x97̦\xF3	\x8DJ\xA7Ԫ\xF5\x8A\xCDj\xB7ܮ\xF7\x8B\xC7\xE4\xB2\xF9\x8CN\xAB\xD7\xEC\xB6\xFB+\x8F\xCB\xE7\xF4\xBA\xFD\x8E\xCF\xEB\xF7\xFC\xBE\xFF(8HXhx\x88\x98\xA8\xB8\xC8\xD8\xE8\xF8iX!\xF9!\xFFImageMagick+gamma=0.45455,dd\x80\xFFs\x84\x8F\xA9\xCB\xED\xA3\x9C\xB4ڋ\xB3޼\xFB\x86\xE2H\x96扦\xEAʶ\xEE\xC7\xF2L\xD7\xF6\x8D\xE7\xFA\xCE\xF7\xFE
+\x87Ģ\xF1\x88L*\x97̦\xF3	\x8DJ\xA7Ԫ\xF5\x8A\xCDj\xB7ܮ\xF7\x8B\xC7\xE4\xB2\xF9\x8CN\xAB\xD7\xEC\xB6\xFB+\x8F\xCB\xE7\xF4\xBA\xFD\x8E\xCF\xEB\xF7\xFC\xBE\xFF(8HXhx\x88\x98\xA8\xB8\xC8\xD8\xE8\xF8iX;
\ No newline at end of file

Modified: branches/safari-603-branch/Source/WebCore/ChangeLog (210969 => 210970)


--- branches/safari-603-branch/Source/WebCore/ChangeLog	2017-01-20 18:09:26 UTC (rev 210969)
+++ branches/safari-603-branch/Source/WebCore/ChangeLog	2017-01-20 18:09:30 UTC (rev 210970)
@@ -1,5 +1,31 @@
 2017-01-20  Matthew Hanson  <matthew_han...@apple.com>
 
+        Merge r210951. rdar://problem/29562247
+
+    2017-01-19  Said Abou-Hallawa  <sabouhall...@apple.com>
+
+            REGRESSION(r206156): Animated images are repeated one extra iteration than the value which is saved in the image file
+            https://bugs.webkit.org/show_bug.cgi?id=167174
+
+            Reviewed by Simon Fraser.
+
+            Before r206156, BitmapImage::repetitionCount() used to return zero for
+            the case loopCount = 1, -1 for loopCount = Infinity and loopCount for
+            all other cases. Having repetitionCount() return zero for loopCount = 1
+            makes the condition if (++m_repetitionsComplete > repetitionCount())
+            break the animation loop after one iteration. But it was wrong for all
+            loopCount > 1. It was causing an extra iteration to be played for the
+            animated image. After r206156, BitmapImage::repetitionCount() returns
+            loopCount for all cases loopCount != Infinity. Keeping the same condition
+            causes the extra iteration to be played even for loopCount = 1.
+
+            Test: fast/images/animated-image-loop-count.html
+
+            * platform/graphics/BitmapImage.cpp:
+            (WebCore::BitmapImage::internalStartAnimation):
+
+2017-01-20  Matthew Hanson  <matthew_han...@apple.com>
+
         Merge r210949. rdar://problem/30108531
 
     2017-01-19  Chris Dumez  <cdu...@apple.com>

Modified: branches/safari-603-branch/Source/WebCore/platform/graphics/BitmapImage.cpp (210969 => 210970)


--- branches/safari-603-branch/Source/WebCore/platform/graphics/BitmapImage.cpp	2017-01-20 18:09:26 UTC (rev 210969)
+++ branches/safari-603-branch/Source/WebCore/platform/graphics/BitmapImage.cpp	2017-01-20 18:09:30 UTC (rev 210970)
@@ -252,7 +252,7 @@
         ++m_repetitionsComplete;
 
         // Check for the end of animation.
-        if (repetitionCount() != RepetitionCountInfinite && m_repetitionsComplete > repetitionCount()) {
+        if (repetitionCount() != RepetitionCountInfinite && m_repetitionsComplete >= repetitionCount()) {
             m_animationFinished = true;
             destroyDecodedDataIfNecessary(false);
             return StartAnimationResult::CannotStart;
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