98 lines
3.4 KiB
Java
98 lines
3.4 KiB
Java
/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.dialer.util;
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import android.content.Context;
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import android.graphics.Bitmap;
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import android.graphics.Canvas;
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import android.graphics.drawable.BitmapDrawable;
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import android.graphics.drawable.Drawable;
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import android.support.annotation.NonNull;
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import android.support.annotation.Nullable;
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import android.support.v4.graphics.drawable.RoundedBitmapDrawable;
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import android.support.v4.graphics.drawable.RoundedBitmapDrawableFactory;
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import com.android.dialer.common.LogUtil;
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/** Provides utilities for bitmaps and drawables. */
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public class DrawableConverter {
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private DrawableConverter() {}
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/** Converts the provided drawable to a bitmap using the drawable's intrinsic width and height. */
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@Nullable
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public static Bitmap drawableToBitmap(@Nullable Drawable drawable) {
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return drawableToBitmap(drawable, 0, 0);
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}
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/**
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* Converts the provided drawable to a bitmap with the specified width and height.
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*
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* <p>If both width and height are 0, the drawable's intrinsic width and height are used (but in
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* that case {@link #drawableToBitmap(Drawable)} should be used).
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*/
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@Nullable
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public static Bitmap drawableToBitmap(@Nullable Drawable drawable, int width, int height) {
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if (drawable == null) {
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return null;
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}
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Bitmap bitmap;
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if (drawable instanceof BitmapDrawable) {
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bitmap = ((BitmapDrawable) drawable).getBitmap();
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} else {
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if (width > 0 || height > 0) {
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bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
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} else if (drawable.getIntrinsicWidth() <= 0 || drawable.getIntrinsicHeight() <= 0) {
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// Needed for drawables that are just a colour.
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bitmap = Bitmap.createBitmap(1, 1, Bitmap.Config.ARGB_8888);
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} else {
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bitmap =
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Bitmap.createBitmap(
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drawable.getIntrinsicWidth(),
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drawable.getIntrinsicHeight(),
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Bitmap.Config.ARGB_8888);
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}
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LogUtil.i(
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"DrawableConverter.drawableToBitmap",
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"created bitmap with width: %d, height: %d",
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bitmap.getWidth(),
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bitmap.getHeight());
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Canvas canvas = new Canvas(bitmap);
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drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
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drawable.draw(canvas);
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}
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return bitmap;
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}
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@Nullable
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public static Drawable getRoundedDrawable(
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@NonNull Context context, @Nullable Drawable photo, int width, int height) {
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Bitmap bitmap = drawableToBitmap(photo);
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if (bitmap != null) {
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Bitmap scaledBitmap = Bitmap.createScaledBitmap(bitmap, width, height, false);
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RoundedBitmapDrawable drawable =
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RoundedBitmapDrawableFactory.create(context.getResources(), scaledBitmap);
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drawable.setAntiAlias(true);
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drawable.setCornerRadius(drawable.getIntrinsicHeight() / 2);
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return drawable;
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}
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return null;
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}
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}
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