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Diffstat (limited to 'actionbarsherlock/src/com/actionbarsherlock/internal/nineoldandroids/animation/FloatEvaluator.java')
-rw-r--r-- | actionbarsherlock/src/com/actionbarsherlock/internal/nineoldandroids/animation/FloatEvaluator.java | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/actionbarsherlock/src/com/actionbarsherlock/internal/nineoldandroids/animation/FloatEvaluator.java b/actionbarsherlock/src/com/actionbarsherlock/internal/nineoldandroids/animation/FloatEvaluator.java deleted file mode 100644 index e41019364..000000000 --- a/actionbarsherlock/src/com/actionbarsherlock/internal/nineoldandroids/animation/FloatEvaluator.java +++ /dev/null @@ -1,42 +0,0 @@ -/* - * Copyright (C) 2010 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -package com.actionbarsherlock.internal.nineoldandroids.animation; - -/** - * This evaluator can be used to perform type interpolation between <code>float</code> values. - */ -public class FloatEvaluator implements TypeEvaluator<Number> { - - /** - * This function returns the result of linearly interpolating the start and end values, with - * <code>fraction</code> representing the proportion between the start and end values. The - * calculation is a simple parametric calculation: <code>result = x0 + t * (v1 - v0)</code>, - * where <code>x0</code> is <code>startValue</code>, <code>x1</code> is <code>endValue</code>, - * and <code>t</code> is <code>fraction</code>. - * - * @param fraction The fraction from the starting to the ending values - * @param startValue The start value; should be of type <code>float</code> or - * <code>Float</code> - * @param endValue The end value; should be of type <code>float</code> or <code>Float</code> - * @return A linear interpolation between the start and end values, given the - * <code>fraction</code> parameter. - */ - public Float evaluate(float fraction, Number startValue, Number endValue) { - float startFloat = startValue.floatValue(); - return startFloat + fraction * (endValue.floatValue() - startFloat); - } -}
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