1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.layoutlib.bridge.util; 18 19 import java.io.File; 20 import java.io.FileInputStream; 21 import java.io.FileNotFoundException; 22 23 /** 24 * Simpler wrapper around FileInputStream. This is used when the input stream represent 25 * not a normal bitmap but a nine patch. 26 * This is useful when the InputStream is created in a method but used in another that needs 27 * to know whether this is 9-patch or not, such as BitmapFactory. 28 */ 29 public class NinePatchInputStream extends FileInputStream { 30 private boolean mFakeMarkSupport = true; 31 public NinePatchInputStream(File file) throws FileNotFoundException { 32 super(file); 33 } 34 35 @Override 36 public boolean markSupported() { 37 // this is needed so that BitmapFactory doesn't wrap this in a BufferedInputStream. 38 return mFakeMarkSupport || super.markSupported(); 39 40 } 41 42 public void disableFakeMarkSupport() { 43 // disable fake mark support so that in case codec actually try to use them 44 // we don't lie to them. 45 mFakeMarkSupport = false; 46 } 47 } 48
