135 lines
5.6 KiB
Java
135 lines
5.6 KiB
Java
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package net.sebastianopoggi.ui.GlowPadBackport;
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import net.sebastianopoggi.ui.GlowPadBackport.util.TimeInterpolator;
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class Ease {
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private static final float DOMAIN = 1.0f;
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private static final float DURATION = 1.0f;
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private static final float START = 0.0f;
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static class Linear {
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public static final TimeInterpolator easeNone = new TimeInterpolator() {
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public float getInterpolation(float input) {
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return input;
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}
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};
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}
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static class Cubic {
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public static final TimeInterpolator easeIn = new TimeInterpolator() {
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public float getInterpolation(float input) {
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return DOMAIN * (input /= DURATION) * input * input + START;
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}
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};
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public static final TimeInterpolator easeOut = new TimeInterpolator() {
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public float getInterpolation(float input) {
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return DOMAIN * ((input = input / DURATION - 1) * input * input + 1) + START;
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}
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};
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public static final TimeInterpolator easeInOut = new TimeInterpolator() {
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public float getInterpolation(float input) {
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return ((input /= DURATION / 2) < 1.0f) ?
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(DOMAIN / 2 * input * input * input + START)
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: (DOMAIN / 2 * ((input -= 2) * input * input + 2) + START);
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}
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};
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}
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static class Quad {
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public static final TimeInterpolator easeIn = new TimeInterpolator() {
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public float getInterpolation(float input) {
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return DOMAIN * (input /= DURATION) * input + START;
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}
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};
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public static final TimeInterpolator easeOut = new TimeInterpolator() {
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public float getInterpolation(float input) {
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return -DOMAIN * (input /= DURATION) * (input - 2) + START;
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}
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};
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public static final TimeInterpolator easeInOut = new TimeInterpolator() {
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public float getInterpolation(float input) {
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return ((input /= DURATION / 2) < 1) ?
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(DOMAIN / 2 * input * input + START)
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: (-DOMAIN / 2 * ((--input) * (input - 2) - 1) + START);
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}
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};
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}
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static class Quart {
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public static final TimeInterpolator easeIn = new TimeInterpolator() {
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public float getInterpolation(float input) {
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return DOMAIN * (input /= DURATION) * input * input * input + START;
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}
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};
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public static final TimeInterpolator easeOut = new TimeInterpolator() {
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public float getInterpolation(float input) {
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return -DOMAIN * ((input = input / DURATION - 1) * input * input * input - 1) + START;
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}
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};
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public static final TimeInterpolator easeInOut = new TimeInterpolator() {
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public float getInterpolation(float input) {
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return ((input /= DURATION / 2) < 1) ?
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(DOMAIN / 2 * input * input * input * input + START)
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:
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(-DOMAIN / 2 * ((input -= 2) * input * input * input - 2) + START);
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}
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};
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}
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static class Quint {
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public static final TimeInterpolator easeIn = new TimeInterpolator() {
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public float getInterpolation(float input) {
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return DOMAIN * (input /= DURATION) * input * input * input * input + START;
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}
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};
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public static final TimeInterpolator easeOut = new TimeInterpolator() {
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public float getInterpolation(float input) {
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return DOMAIN * ((input = input / DURATION - 1) * input * input * input * input + 1) + START;
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}
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};
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public static final TimeInterpolator easeInOut = new TimeInterpolator() {
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public float getInterpolation(float input) {
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return ((input /= DURATION / 2) < 1) ?
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(DOMAIN / 2 * input * input * input * input * input + START)
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:
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(DOMAIN / 2 * ((input -= 2) * input * input * input * input + 2) + START);
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}
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};
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}
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static class Sine {
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public static final TimeInterpolator easeIn = new TimeInterpolator() {
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public float getInterpolation(float input) {
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return -DOMAIN * (float) Math.cos(input / DURATION * (Math.PI / 2)) + DOMAIN + START;
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}
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};
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public static final TimeInterpolator easeOut = new TimeInterpolator() {
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public float getInterpolation(float input) {
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return DOMAIN * (float) Math.sin(input / DURATION * (Math.PI / 2)) + START;
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}
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};
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public static final TimeInterpolator easeInOut = new TimeInterpolator() {
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public float getInterpolation(float input) {
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return -DOMAIN / 2 * ((float) Math.cos(Math.PI * input / DURATION) - 1.0f) + START;
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}
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};
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}
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}
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