| /* |
| * Copyright (C) 2018 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.car.dialer.ui; |
| |
| import android.content.res.Resources; |
| import android.graphics.Bitmap; |
| import android.graphics.Canvas; |
| import android.graphics.ColorFilter; |
| import android.graphics.PixelFormat; |
| import android.graphics.Rect; |
| import android.graphics.drawable.Drawable; |
| import android.support.annotation.NonNull; |
| import android.support.v4.graphics.drawable.RoundedBitmapDrawable; |
| import android.support.v4.graphics.drawable.RoundedBitmapDrawableFactory; |
| |
| |
| /** |
| * A drawable for displaying a circular bitmap. This is a wrapper over {@link RoundedBitmapDrawable} |
| * since that implementation doesn't behave quite as desired. |
| * |
| * <p>Note that not all drawable functionality is passed to the RoundedBitmapDrawable at this |
| * time. Feel free to add more as necessary. |
| */ |
| public class CircleBitmapDrawable extends Drawable { |
| private final Resources mResources; |
| |
| private Bitmap mBitmap; |
| private RoundedBitmapDrawable mDrawable; |
| private int mAlpha = -1; |
| private ColorFilter mCf = null; |
| |
| public CircleBitmapDrawable(@NonNull Resources res, @NonNull Bitmap bitmap) { |
| mBitmap = bitmap; |
| mResources = res; |
| } |
| |
| @Override |
| public void onBoundsChange(Rect bounds) { |
| super.onBoundsChange(bounds); |
| int width = bounds.right - bounds.left; |
| int height = bounds.bottom - bounds.top; |
| |
| Bitmap processed = mBitmap; |
| mDrawable = RoundedBitmapDrawableFactory.create(mResources, processed); |
| mDrawable.setBounds(bounds); |
| mDrawable.setAntiAlias(true); |
| mDrawable.setCornerRadius(Math.min(width, height) / 2f); |
| if (mAlpha != -1) { |
| mDrawable.setAlpha(mAlpha); |
| } |
| if (mCf != null) { |
| mDrawable.setColorFilter(mCf); |
| } |
| invalidateSelf(); |
| } |
| |
| @Override |
| public void draw(Canvas canvas) { |
| if (mDrawable != null) { |
| mDrawable.draw(canvas); |
| } |
| } |
| |
| @Override |
| public int getOpacity() { |
| return mDrawable != null ? mDrawable.getOpacity() : PixelFormat.TRANSLUCENT; |
| } |
| |
| @Override |
| public void setAlpha(int alpha) { |
| mAlpha = alpha; |
| if (mDrawable != null) { |
| mDrawable.setAlpha(alpha); |
| invalidateSelf(); |
| } |
| } |
| |
| @Override |
| public void setColorFilter(ColorFilter cf) { |
| mCf = cf; |
| if (mDrawable != null) { |
| mDrawable.setColorFilter(cf); |
| invalidateSelf(); |
| } |
| } |
| |
| /** |
| * Convert the drawable to a bitmap. |
| * @param size The target size of the bitmap in pixels. |
| * @return A bitmap representation of the drawable. |
| */ |
| public Bitmap toBitmap(int size) { |
| Bitmap largeIcon = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888); |
| Canvas canvas = new Canvas(largeIcon); |
| Rect bounds = getBounds(); |
| setBounds(0, 0, canvas.getWidth(), canvas.getHeight()); |
| draw(canvas); |
| setBounds(bounds); |
| return largeIcon; |
| } |
| } |
| |