| /* |
| * Copyright (C) 2021 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.icons; |
| |
| import android.graphics.Canvas; |
| import android.graphics.Path; |
| import android.graphics.Rect; |
| import android.graphics.RectF; |
| import android.graphics.drawable.Drawable; |
| import android.graphics.drawable.DrawableWrapper; |
| |
| /** |
| * A drawable which clips rounded corner around a child drawable |
| */ |
| public class RoundDrawableWrapper extends DrawableWrapper { |
| |
| private final RectF mTempRect = new RectF(); |
| private final Path mClipPath = new Path(); |
| private final float mRoundedCornersRadius; |
| |
| public RoundDrawableWrapper(Drawable dr, float radius) { |
| super(dr); |
| mRoundedCornersRadius = radius; |
| } |
| |
| @Override |
| protected void onBoundsChange(Rect bounds) { |
| mTempRect.set(getBounds()); |
| mClipPath.reset(); |
| mClipPath.addRoundRect(mTempRect, mRoundedCornersRadius, |
| mRoundedCornersRadius, Path.Direction.CCW); |
| super.onBoundsChange(bounds); |
| } |
| |
| @Override |
| public final void draw(Canvas canvas) { |
| int saveCount = canvas.save(); |
| canvas.clipPath(mClipPath); |
| super.draw(canvas); |
| canvas.restoreToCount(saveCount); |
| } |
| } |