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 _ANDROID_GRAPHICS_NINE_PATCH_PEEKER_H_
18#define _ANDROID_GRAPHICS_NINE_PATCH_PEEKER_H_
19
20#include "SkPngChunkReader.h"
21#include <androidfw/ResourceTypes.h>
22
23class SkImageDecoder;
24
25using namespace android;
26
27class NinePatchPeeker : public SkPngChunkReader {
28public:
29    NinePatchPeeker()
30            : mPatch(NULL)
31            , mPatchSize(0)
32            , mHasInsets(false)
33            , mOutlineRadius(0)
34            , mOutlineAlpha(0) {
35        memset(mOpticalInsets, 0, 4 * sizeof(int32_t));
36        memset(mOutlineInsets, 0, 4 * sizeof(int32_t));
37    }
38
39    ~NinePatchPeeker() {
40        free(mPatch);
41    }
42
43    bool readChunk(const char tag[], const void* data, size_t length) override;
44
45    Res_png_9patch* mPatch;
46    size_t mPatchSize;
47    bool mHasInsets;
48    int32_t mOpticalInsets[4];
49    int32_t mOutlineInsets[4];
50    float mOutlineRadius;
51    uint8_t mOutlineAlpha;
52};
53
54#endif  // _ANDROID_GRAPHICS_NINE_PATCH_PEEKER_H_
55