SkBitmapRegionCodec.h revision 248ff02331d7f73ee4b6c5a7eabeae1080c16cd4 
1/*
2 * Copyright 2015 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8#include "SkBitmap.h"
9#include "SkBitmapRegionDecoder.h"
10#include "SkAndroidCodec.h"
11
12/*
13 * This class implements SkBitmapRegionDecoder using an SkAndroidCodec.
14 */
15class SkBitmapRegionCodec : public SkBitmapRegionDecoder {
16public:
17
18    /*
19     * Takes ownership of pointer to codec
20     */
21    SkBitmapRegionCodec(SkAndroidCodec* codec);
22
23    bool decodeRegion(SkBitmap* bitmap, SkBRDAllocator* allocator,
24                      const SkIRect& desiredSubset, int sampleSize,
25                      SkColorType colorType, bool requireUnpremul) override;
26
27    bool conversionSupported(SkColorType colorType) override;
28
29    SkEncodedFormat getEncodedFormat() override {
30        return (SkEncodedFormat)fCodec->getEncodedFormat();
31    }
32
33private:
34
35    std::unique_ptr<SkAndroidCodec> fCodec;
36
37    typedef SkBitmapRegionDecoder INHERITED;
38
39};
40