NinePatchPeeker.h revision a06d86ab8177ee9e631e0ee4e39688bf42179bde
1a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins/* 2a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins * Copyright (C) 2011 The Android Open Source Project 3a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins * 4a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins * Licensed under the Apache License, Version 2.0 (the "License"); 5a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins * you may not use this file except in compliance with the License. 6a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins * You may obtain a copy of the License at 7a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins * 8a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins * http://www.apache.org/licenses/LICENSE-2.0 9a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins * 10a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins * Unless required by applicable law or agreed to in writing, software 11a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins * distributed under the License is distributed on an "AS IS" BASIS, 12a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins * See the License for the specific language governing permissions and 14a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins * limitations under the License. 15a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins */ 16a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins 17a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins#include "SkImageDecoder.h" 18a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins#include <utils/ResourceTypes.h> 19a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins 20a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scrogginsusing namespace android; 21a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins 22a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scrogginsclass NinePatchPeeker : public SkImageDecoder::Peeker { 23a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins SkImageDecoder* fHost; 24a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scrogginspublic: 25a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins NinePatchPeeker(SkImageDecoder* host) { 26a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins // the host lives longer than we do, so a raw ptr is safe 27a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins fHost = host; 28a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins fPatchIsValid = false; 29a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins } 30a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins 31a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins ~NinePatchPeeker() { 32a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins if (fPatchIsValid) { 33a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins free(fPatch); 34a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins } 35a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins } 36a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins 37a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins bool fPatchIsValid; 38a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins Res_png_9patch* fPatch; 39a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins 40a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins virtual bool peek(const char tag[], const void* data, size_t length); 41a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins}; 42a06d86ab8177ee9e631e0ee4e39688bf42179bdeLeon Scroggins 43