OLD | NEW |
---|---|
(Empty) | |
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 #ifndef SkRawCodec_DEFINED | |
9 #define SkRawCodec_DEFINED | |
10 | |
11 #include "SkCodec.h" | |
12 #include "SkImageInfo.h" | |
13 #include "SkStream.h" | |
14 | |
15 #include "dng_host.h" | |
16 | |
17 /* | |
18 * | |
19 * This class implements the decoding for jpeg images | |
20 * | |
21 */ | |
22 class SkRawCodec : public SkCodec { | |
23 public: | |
24 | |
25 /* | |
26 * Checks the start of the stream to see if the image is a RAW | |
27 * Does not take ownership of the stream | |
28 */ | |
29 static bool IsRaw(SkStream*); | |
30 | |
31 /* | |
32 * Assumes IsRaw was called and returned true | |
33 * Creates a RAW decoder | |
34 * Takes ownership of the stream | |
35 */ | |
36 static SkCodec* NewFromStream(SkStream*); | |
37 | |
38 protected: | |
39 | |
40 /* | |
41 * Initiates the RAW decode | |
42 */ | |
43 Result onGetPixels(const SkImageInfo& dstInfo, void* dst, size_t dstRowBytes , const Options&, | |
44 SkPMColor*, int*, int*) override; | |
45 | |
46 SkEncodedFormat onGetEncodedFormat() const override { | |
47 return kRAW_SkEncodedFormat; | |
48 } | |
49 | |
50 private: | |
51 | |
52 /* | |
53 * Creates an instance of the decoder | |
54 * Called only by NewFromStream | |
55 * | |
56 * @param srcInfo contains the source width and height | |
57 * @param stream the encoded image data | |
58 */ | |
59 SkRawCodec(const SkImageInfo& srcInfo, SkStream* stream); | |
60 | |
61 // scanline decoding | |
62 /*void initializeSwizzler(const SkImageInfo& dstInfo, const Options& options ); | |
msarett
2015/12/18 16:26:13
I think these methods are unnecessary given that y
yujieqin
2016/01/06 18:47:19
Removed.
| |
63 SkSampler* getSampler(bool createIfNecessary) override; | |
64 Result onStartScanlineDecode(const SkImageInfo& dstInfo, const Options& opti ons, | |
65 SkPMColor ctable[], int* ctableCount) override; | |
66 int onGetScanlines(void* dst, int count, size_t rowBytes) override; | |
67 bool onSkipScanlines(int count) override;*/ | |
68 | |
69 typedef SkCodec INHERITED; | |
70 }; | |
71 | |
72 #endif | |
OLD | NEW |