Animation: Implement DoubleStyleInterpolation in StringKeyframe

Source/core/animation/DoubleStyleInterpolation.cpp

Index: Source/core/animation/DoubleStyleInterpolation.cpp
diff --git a/Source/core/animation/DoubleStyleInterpolation.cpp b/Source/core/animation/DoubleStyleInterpolation.cpp
index 6f9cfe6434b5c425447218eaa405fa4719ba4b4e..5b102db2b51e3e33122bdb1684b25f8aaa60f075 100644
--- a/Source/core/animation/DoubleStyleInterpolation.cpp
+++ b/Source/core/animation/DoubleStyleInterpolation.cpp
@@ -22,9 +22,18 @@ PassRefPtrWillBeRawPtr<CSSValue> DoubleStyleInterpolation::interpolableValueToDo
 {
     ASSERT(value->isNumber());
     double doubleValue = toInterpolableNumber(value)->value();
-    if (clamp == ClampOpacity) {
-        doubleValue = clampTo<float>(doubleValue, 0, nextafterf(1, 0));
-    }
+    if (clamp == ClampOpacity)

[Eric Willigers, 2015/01/14 01:43:36]

switch (clamp)

[jadeg, 2015/01/18 22:59:41]

Done.

+        doubleValue = clampTo<float>(doubleValue, 0, nextafter(0.9999, 0));
+    if (clamp == ClampInteger)
+        doubleValue = floor(doubleValue);
+    if (clamp == ClampZoom)
+        doubleValue = clampTo<float>(doubleValue, 0.000000000000000000000000000000000000000000001);
+    if (clamp == ClampOrphans)
+        doubleValue = clampTo<int>((doubleValue + 0.5), 1);
+    if (clamp == ClampOne)
+        doubleValue = clampTo<float>(doubleValue, 1);
+    if (clamp == ClampZero)
+        doubleValue = clampTo<float>(doubleValue, 0);
     return CSSPrimitiveValue::create(doubleValue, CSSPrimitiveValue::CSS_NUMBER);
 }