Rabbit-R1/switch port/java/sources/androidx/transition/ArcMotion.java
2024-05-21 17:08:36 -04:00

133 lines
4.7 KiB
Java

package androidx.transition;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Path;
import android.util.AttributeSet;
import androidx.core.content.res.TypedArrayUtils;
import org.xmlpull.v1.XmlPullParser;
/* loaded from: classes2.dex */
public class ArcMotion extends PathMotion {
private static final float DEFAULT_MAX_ANGLE_DEGREES = 70.0f;
private static final float DEFAULT_MAX_TANGENT = (float) Math.tan(Math.toRadians(35.0d));
private static final float DEFAULT_MIN_ANGLE_DEGREES = 0.0f;
private float mMaximumAngle;
private float mMaximumTangent;
private float mMinimumHorizontalAngle;
private float mMinimumHorizontalTangent;
private float mMinimumVerticalAngle;
private float mMinimumVerticalTangent;
public float getMaximumAngle() {
return this.mMaximumAngle;
}
public float getMinimumHorizontalAngle() {
return this.mMinimumHorizontalAngle;
}
public float getMinimumVerticalAngle() {
return this.mMinimumVerticalAngle;
}
public ArcMotion() {
this.mMinimumHorizontalAngle = 0.0f;
this.mMinimumVerticalAngle = 0.0f;
this.mMaximumAngle = DEFAULT_MAX_ANGLE_DEGREES;
this.mMinimumHorizontalTangent = 0.0f;
this.mMinimumVerticalTangent = 0.0f;
this.mMaximumTangent = DEFAULT_MAX_TANGENT;
}
public ArcMotion(Context context, AttributeSet attributeSet) {
super(context, attributeSet);
this.mMinimumHorizontalAngle = 0.0f;
this.mMinimumVerticalAngle = 0.0f;
this.mMaximumAngle = DEFAULT_MAX_ANGLE_DEGREES;
this.mMinimumHorizontalTangent = 0.0f;
this.mMinimumVerticalTangent = 0.0f;
this.mMaximumTangent = DEFAULT_MAX_TANGENT;
TypedArray obtainStyledAttributes = context.obtainStyledAttributes(attributeSet, Styleable.ARC_MOTION);
XmlPullParser xmlPullParser = (XmlPullParser) attributeSet;
setMinimumVerticalAngle(TypedArrayUtils.getNamedFloat(obtainStyledAttributes, xmlPullParser, "minimumVerticalAngle", 1, 0.0f));
setMinimumHorizontalAngle(TypedArrayUtils.getNamedFloat(obtainStyledAttributes, xmlPullParser, "minimumHorizontalAngle", 0, 0.0f));
setMaximumAngle(TypedArrayUtils.getNamedFloat(obtainStyledAttributes, xmlPullParser, "maximumAngle", 2, DEFAULT_MAX_ANGLE_DEGREES));
obtainStyledAttributes.recycle();
}
public void setMinimumHorizontalAngle(float f) {
this.mMinimumHorizontalAngle = f;
this.mMinimumHorizontalTangent = toTangent(f);
}
public void setMinimumVerticalAngle(float f) {
this.mMinimumVerticalAngle = f;
this.mMinimumVerticalTangent = toTangent(f);
}
public void setMaximumAngle(float f) {
this.mMaximumAngle = f;
this.mMaximumTangent = toTangent(f);
}
private static float toTangent(float f) {
if (f < 0.0f || f > 90.0f) {
throw new IllegalArgumentException("Arc must be between 0 and 90 degrees");
}
return (float) Math.tan(Math.toRadians(f / 2.0f));
}
@Override // androidx.transition.PathMotion
public Path getPath(float f, float f2, float f3, float f4) {
float f5;
float f6;
float f7;
Path path = new Path();
path.moveTo(f, f2);
float f8 = f3 - f;
float f9 = f4 - f2;
float f10 = (f8 * f8) + (f9 * f9);
float f11 = (f + f3) / 2.0f;
float f12 = (f2 + f4) / 2.0f;
float f13 = 0.25f * f10;
boolean z = f2 > f4;
if (Math.abs(f8) < Math.abs(f9)) {
float abs = Math.abs(f10 / (f9 * 2.0f));
if (z) {
f6 = abs + f4;
f5 = f3;
} else {
f6 = abs + f2;
f5 = f;
}
f7 = this.mMinimumVerticalTangent;
} else {
float f14 = f10 / (f8 * 2.0f);
if (z) {
f6 = f2;
f5 = f14 + f;
} else {
f5 = f3 - f14;
f6 = f4;
}
f7 = this.mMinimumHorizontalTangent;
}
float f15 = f13 * f7 * f7;
float f16 = f11 - f5;
float f17 = f12 - f6;
float f18 = (f16 * f16) + (f17 * f17);
float f19 = this.mMaximumTangent;
float f20 = f13 * f19 * f19;
if (f18 >= f15) {
f15 = f18 > f20 ? f20 : 0.0f;
}
if (f15 != 0.0f) {
float sqrt = (float) Math.sqrt(f15 / f18);
f5 = ((f5 - f11) * sqrt) + f11;
f6 = f12 + (sqrt * (f6 - f12));
}
path.cubicTo((f + f5) / 2.0f, (f2 + f6) / 2.0f, (f5 + f3) / 2.0f, (f6 + f4) / 2.0f, f3, f4);
return path;
}
}