com.sun.scenario.animation.shared.ClipInterpolator Maven / Gradle / Ivy
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package com.sun.scenario.animation.shared;
import javafx.animation.KeyFrame;
import javafx.util.Duration;
public abstract class ClipInterpolator {
static ClipInterpolator create(KeyFrame[] keyFrames, long[] keyFrameTicks) {
return (ClipInterpolator.getRealKeyFrameCount(keyFrames) == 2) ? (keyFrames.length == 1) ? new SimpleClipInterpolator(
keyFrames[0], keyFrameTicks[0]) : new SimpleClipInterpolator(keyFrames[0],
keyFrames[1], keyFrameTicks[1])
: new GeneralClipInterpolator(keyFrames, keyFrameTicks);
}
/**
* Figures out the number of "real" key frames. The user may not have specified the "zero" key
* frame, in which case we end up inferring an additional zero key frame on the array.
*
* @param keyFrames The key frames. Must not be null.
* @return The "real" number of key frames
*/
static int getRealKeyFrameCount(KeyFrame[] keyFrames) {
final int length = keyFrames.length;
return (length == 0) ? 0 : (keyFrames[0].getTime()
.greaterThan(Duration.ZERO)) ? length + 1 : length;
}
/**
* Changes the keyframes.
*
* The optimal implementation for the new keyFrames might be different. For
* this reason, setKeyFrames returns a ClipInterpolator implementation with
* the updated values. This can either be the same object or a newly created
* one.
*
* @param keyFrames
* The new sorted array of keyframes of this clip
* @param keyFrameTicks
* tick duration of corresponding keyFrames
* @return The ClipInterpolator implementation to use after changing the
* keyframes.
*/
abstract ClipInterpolator setKeyFrames(KeyFrame[] keyFrames, long[] keyFrameTicks);
abstract void interpolate(long ticks);
abstract void validate(boolean forceSync);
}