/* * Copyright 2017 [AllenCoder] * * 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.allen.mediautil; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.util.Log; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.OutputStream; /** * Created by Allen on 2017/3/21. */ public class Utils { private Utils() { throw new RuntimeException("you can't instant this Utils"); } /** * 转换图片格式 *

* 由于原图已经被裁剪压缩成jpg格式了,因此此处直接转换为webp格式,不做大小调整 * * @param file 图片文件 * @param toFile 转换后的图片 * @return true转换成功! */ private boolean convertImgWebp(File file, File toFile) { Bitmap bitmap = BitmapFactory.decodeFile(file.getAbsolutePath()); FileOutputStream fos = null; try { fos = new FileOutputStream(toFile); bitmap.compress(Bitmap.CompressFormat.WEBP, ImageTakerHelper.IMG_QUALITY, fos); fos.flush(); bitmap.recycle(); return true; } catch (IOException e) { Log.e("convertImg","convertImg failed", e); } finally { closeSilent(fos); } return false; } private static void closeSilent(OutputStream outputStream) { if (outputStream != null) { try { outputStream.close(); } catch (IOException e) { // null } } } }