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/*
* Copyright (C) 2016 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.android.launcher3.graphics;
import android.graphics.Outline;
import android.graphics.Path;
import android.graphics.drawable.shapes.PathShape;
import android.support.annotation.NonNull;
/**
* Wrapper around {@link android.graphics.drawable.shapes.PathShape}
* that creates a shape with a triangular path (pointing up or down).
*/
public class TriangleShape extends PathShape {
private Path mTriangularPath;
public TriangleShape(Path path, float stdWidth, float stdHeight) {
super(path, stdWidth, stdHeight);
mTriangularPath = path;
}
public static TriangleShape create(float width, float height, boolean isPointingUp) {
Path triangularPath = new Path();
if (isPointingUp) {
triangularPath.moveTo(0, height);
triangularPath.lineTo(width, height);
triangularPath.lineTo(width / 2, 0);
triangularPath.close();
} else {
triangularPath.moveTo(0, 0);
triangularPath.lineTo(width / 2, height);
triangularPath.lineTo(width, 0);
triangularPath.close();
}
return new TriangleShape(triangularPath, width, height);
}
@Override
public void getOutline(@NonNull Outline outline) {
outline.setConvexPath(mTriangularPath);
}
}
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