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Side by Side Diff: src/images/SkJpegUtility_images.h

Issue 1187463005: Revert "Remove ambiguity of SkJpegUtility name." (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 5 years, 6 months ago
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1
2 /*
3 * Copyright 2010 The Android Open Source Project
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8
9
10 #ifndef SkJpegUtility_DEFINED
11 #define SkJpegUtility_DEFINED
12
13 #include "SkImageDecoder.h"
14 #include "SkStream.h"
15
16 extern "C" {
17 #include "jpeglib.h"
18 #include "jerror.h"
19 }
20
21 #include <setjmp.h>
22
23 /* Our error-handling struct.
24 *
25 */
26 struct skjpeg_error_mgr : jpeg_error_mgr {
27 jmp_buf fJmpBuf;
28 };
29
30
31 void skjpeg_error_exit(j_common_ptr cinfo);
32
33 ///////////////////////////////////////////////////////////////////////////
34 /* Our source struct for directing jpeg to our stream object.
35 */
36 struct skjpeg_source_mgr : jpeg_source_mgr {
37 skjpeg_source_mgr(SkStream* stream, SkImageDecoder* decoder);
38
39 // Unowned.
40 SkStream* fStream;
41 // Unowned pointer to the decoder, used to check if the decoding process
42 // has been cancelled.
43 SkImageDecoder* fDecoder;
44 enum {
45 kBufferSize = 1024
46 };
47 char fBuffer[kBufferSize];
48 };
49
50 /////////////////////////////////////////////////////////////////////////////
51 /* Our destination struct for directing decompressed pixels to our stream
52 * object.
53 */
54 struct skjpeg_destination_mgr : jpeg_destination_mgr {
55 skjpeg_destination_mgr(SkWStream* stream);
56
57 SkWStream* fStream;
58
59 enum {
60 kBufferSize = 1024
61 };
62 uint8_t fBuffer[kBufferSize];
63 };
64
65 #endif
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