NinePatchPeeker.h revision a06d86ab8177ee9e631e0ee4e39688bf42179bde 
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#include "SkImageDecoder.h"
18#include <utils/ResourceTypes.h>
19
20using namespace android;
21
22class NinePatchPeeker : public SkImageDecoder::Peeker {
23    SkImageDecoder* fHost;
24public:
25    NinePatchPeeker(SkImageDecoder* host) {
26        // the host lives longer than we do, so a raw ptr is safe
27        fHost = host;
28        fPatchIsValid = false;
29    }
30
31    ~NinePatchPeeker() {
32        if (fPatchIsValid) {
33            free(fPatch);
34        }
35    }
36
37    bool    fPatchIsValid;
38    Res_png_9patch*  fPatch;
39
40    virtual bool peek(const char tag[], const void* data, size_t length);
41};
42
43