Upstream version 5.34.104.0

[platform/framework/web/crosswalk.git] / src / ui / gfx / animation / tween.h

diff --git a/src/ui/gfx/animation/tween.h b/src/ui/gfx/animation/tween.h
index 04f353d..ce660c9 100644 (file)
--- a/src/ui/gfx/animation/tween.h
+++ b/src/ui/gfx/animation/tween.h
@@ -16,15 +16,21 @@ namespace gfx {
 class GFX_EXPORT Tween {
  public:
   enum Type {
-    LINEAR,        // Linear.
-    EASE_OUT,      // Fast in, slow out (default).
-    EASE_IN,       // Slow in, fast out.
-    EASE_IN_2,     // Variant of EASE_IN that starts out slower.
-    EASE_IN_OUT,   // Slow in and out, fast in the middle.
-    FAST_IN_OUT,   // Fast in and out, slow in the middle.
-    EASE_OUT_SNAP, // Fast in, slow out, snap to final value.
-    SMOOTH_IN_OUT, // Smooth, consistent speeds in and out (sine wave).
-    ZERO,          // Returns a value of 0 always.
+    LINEAR,           // Linear.
+    EASE_OUT,         // Fast in, slow out (default).
+    EASE_OUT_2,       // Variant of EASE_OUT that ends slower than EASE_OUT.
+                      // Should be used for fading in or entering a scene.
+    EASE_IN,          // Slow in, fast out.
+    EASE_IN_2,        // Variant of EASE_IN that starts out slower than EASE_IN.
+    EASE_IN_3,        // Variant of EASE_IN that starts out faster than EASE_IN.
+                      // Should be used for fading out or exiting a scene.
+    EASE_IN_OUT,      // Slow in and out, fast in the middle.
+    EASE_IN_OUT_2,    // Variant of EASE_IN_OUT which starts out faster than
+                      // EASE_IN_OUT but ends slower than EASE_IN_OUT.
+    FAST_IN_OUT,      // Fast in and out, slow in the middle.
+    EASE_OUT_SNAP,    // Fast in, slow out, snap to final value.
+    SMOOTH_IN_OUT,    // Smooth, consistent speeds in and out (sine wave).
+    ZERO,             // Returns a value of 0 always.
   };
 
   // Returns the value based on the tween type. |state| is from 0-1.