1 /* 2 * Copyright (C) 2011 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 #ifndef NinePatchPeeker_h 18 #define NinePatchPeeker_h 19 20 #include "SkImageDecoder.h" 21 #include <utils/ResourceTypes.h> 22 23 using namespace android; 24 25 class NinePatchPeeker : public SkImageDecoder::Peeker { 26 SkImageDecoder* fHost; 27 public: 28 NinePatchPeeker(SkImageDecoder* host) { 29 // the host lives longer than we do, so a raw ptr is safe 30 fHost = host; 31 fPatchIsValid = false; 32 } 33 34 ~NinePatchPeeker() { 35 if (fPatchIsValid) { 36 free(fPatch); 37 } 38 } 39 40 bool fPatchIsValid; 41 Res_png_9patch* fPatch; 42 43 virtual bool peek(const char tag[], const void* data, size_t length); 44 }; 45 46 #endif // NinePatchPeeker_h 47