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 <androidfw/ResourceTypes.h> 22 23 using namespace android; 24 25 class NinePatchPeeker : public SkImageDecoder::Peeker { 26 private: 27 // the host lives longer than we do, so a raw ptr is safe 28 SkImageDecoder* mHost; 29 public: 30 NinePatchPeeker(SkImageDecoder* host) 31 : mHost(host) 32 , mPatch(NULL) 33 , mPatchSize(0) 34 , mHasInsets(false) 35 , mOutlineRadius(0) 36 , mOutlineAlpha(0) { 37 memset(mOpticalInsets, 0, 4 * sizeof(int32_t)); 38 memset(mOutlineInsets, 0, 4 * sizeof(int32_t)); 39 } 40 41 ~NinePatchPeeker() { 42 free(mPatch); 43 } 44 45 virtual bool peek(const char tag[], const void* data, size_t length); 46 47 Res_png_9patch* mPatch; 48 size_t mPatchSize; 49 bool mHasInsets; 50 int32_t mOpticalInsets[4]; 51 int32_t mOutlineInsets[4]; 52 float mOutlineRadius; 53 uint8_t mOutlineAlpha; 54 }; 55 56 #endif // NinePatchPeeker_h 57