| /* |
| * Copyright (C) 2019 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.systemui.assist.ui; |
| |
| import android.graphics.Path; |
| |
| /** |
| * Describes paths for circular rounded device corners. |
| */ |
| public final class CircularCornerPathRenderer extends CornerPathRenderer { |
| |
| private final int mCornerRadiusBottom; |
| private final int mCornerRadiusTop; |
| private final int mHeight; |
| private final int mWidth; |
| private final Path mPath = new Path(); |
| |
| public CircularCornerPathRenderer(int cornerRadiusBottom, int cornerRadiusTop, |
| int width, int height) { |
| mCornerRadiusBottom = cornerRadiusBottom; |
| mCornerRadiusTop = cornerRadiusTop; |
| mHeight = height; |
| mWidth = width; |
| } |
| |
| @Override // CornerPathRenderer |
| public Path getCornerPath(Corner corner) { |
| mPath.reset(); |
| switch (corner) { |
| case BOTTOM_LEFT: |
| mPath.moveTo(0, mHeight - mCornerRadiusBottom); |
| mPath.arcTo(0, mHeight - mCornerRadiusBottom * 2, mCornerRadiusBottom * 2, mHeight, |
| 180, -90, true); |
| break; |
| case BOTTOM_RIGHT: |
| mPath.moveTo(mWidth - mCornerRadiusBottom, mHeight); |
| mPath.arcTo(mWidth - mCornerRadiusBottom * 2, mHeight - mCornerRadiusBottom * 2, |
| mWidth, mHeight, 90, -90, true); |
| break; |
| case TOP_RIGHT: |
| mPath.moveTo(mWidth, mCornerRadiusTop); |
| mPath.arcTo(mWidth - mCornerRadiusTop, 0, mWidth, mCornerRadiusTop, 0, -90, true); |
| break; |
| case TOP_LEFT: |
| mPath.moveTo(mCornerRadiusTop, 0); |
| mPath.arcTo(0, 0, mCornerRadiusTop, mCornerRadiusTop, 270, -90, true); |
| break; |
| } |
| return mPath; |
| } |
| } |