NinePatchPeeker.h revision 13492c848f0fcf1ee3868228622641ca8bce6fb1 
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
23using namespace android;
24
25class NinePatchPeeker : public SkImageDecoder::Peeker {
26    SkImageDecoder* fHost;
27public:
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