gfx/skia/trunk/include/core/SkImageEncoder.h@129ffea94266 (annotated)
gfx/skia/trunk/include/core/SkImageEncoder.h
Sat, 03 Jan 2015 20:18:00 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Sat, 03 Jan 2015 20:18:00 +0100
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
- permissions
- -rw-r--r--
Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.
| michael@0 | 1 | |
| michael@0 | 2 | /* |
| michael@0 | 3 | * Copyright 2011 Google Inc. |
| michael@0 | 4 | * |
| michael@0 | 5 | * Use of this source code is governed by a BSD-style license that can be |
| michael@0 | 6 | * found in the LICENSE file. |
| michael@0 | 7 | */ |
| michael@0 | 8 | #ifndef SkImageEncoder_DEFINED |
| michael@0 | 9 | #define SkImageEncoder_DEFINED |
| michael@0 | 10 | |
| michael@0 | 11 | #include "SkTypes.h" |
| michael@0 | 12 | #include "SkTRegistry.h" |
| michael@0 | 13 | |
| michael@0 | 14 | class SkBitmap; |
| michael@0 | 15 | class SkData; |
| michael@0 | 16 | class SkWStream; |
| michael@0 | 17 | |
| michael@0 | 18 | class SkImageEncoder { |
| michael@0 | 19 | public: |
| michael@0 | 20 | enum Type { |
| michael@0 | 21 | kUnknown_Type, |
| michael@0 | 22 | kBMP_Type, |
| michael@0 | 23 | kGIF_Type, |
| michael@0 | 24 | kICO_Type, |
| michael@0 | 25 | kJPEG_Type, |
| michael@0 | 26 | kPNG_Type, |
| michael@0 | 27 | kWBMP_Type, |
| michael@0 | 28 | kWEBP_Type, |
| michael@0 | 29 | }; |
| michael@0 | 30 | static SkImageEncoder* Create(Type); |
| michael@0 | 31 | |
| michael@0 | 32 | virtual ~SkImageEncoder(); |
| michael@0 | 33 | |
| michael@0 | 34 | /* Quality ranges from 0..100 */ |
| michael@0 | 35 | enum { |
| michael@0 | 36 | kDefaultQuality = 80 |
| michael@0 | 37 | }; |
| michael@0 | 38 | |
| michael@0 | 39 | /** |
| michael@0 | 40 | * Encode bitmap 'bm', returning the results in an SkData, at quality level |
| michael@0 | 41 | * 'quality' (which can be in range 0-100). If the bitmap cannot be |
| michael@0 | 42 | * encoded, return null. On success, the caller is responsible for |
| michael@0 | 43 | * calling unref() on the data when they are finished. |
| michael@0 | 44 | */ |
| michael@0 | 45 | SkData* encodeData(const SkBitmap&, int quality); |
| michael@0 | 46 | |
| michael@0 | 47 | /** |
| michael@0 | 48 | * Encode bitmap 'bm' in the desired format, writing results to |
| michael@0 | 49 | * file 'file', at quality level 'quality' (which can be in range |
| michael@0 | 50 | * 0-100). Returns false on failure. |
| michael@0 | 51 | */ |
| michael@0 | 52 | bool encodeFile(const char file[], const SkBitmap& bm, int quality); |
| michael@0 | 53 | |
| michael@0 | 54 | /** |
| michael@0 | 55 | * Encode bitmap 'bm' in the desired format, writing results to |
| michael@0 | 56 | * stream 'stream', at quality level 'quality' (which can be in |
| michael@0 | 57 | * range 0-100). Returns false on failure. |
| michael@0 | 58 | */ |
| michael@0 | 59 | bool encodeStream(SkWStream* stream, const SkBitmap& bm, int quality); |
| michael@0 | 60 | |
| michael@0 | 61 | static SkData* EncodeData(const SkBitmap&, Type, int quality); |
| michael@0 | 62 | static bool EncodeFile(const char file[], const SkBitmap&, Type, |
| michael@0 | 63 | int quality); |
| michael@0 | 64 | static bool EncodeStream(SkWStream*, const SkBitmap&, Type, |
| michael@0 | 65 | int quality); |
| michael@0 | 66 | |
| michael@0 | 67 | protected: |
| michael@0 | 68 | /** |
| michael@0 | 69 | * Encode bitmap 'bm' in the desired format, writing results to |
| michael@0 | 70 | * stream 'stream', at quality level 'quality' (which can be in |
| michael@0 | 71 | * range 0-100). |
| michael@0 | 72 | * |
| michael@0 | 73 | * This must be overridden by each SkImageEncoder implementation. |
| michael@0 | 74 | */ |
| michael@0 | 75 | virtual bool onEncode(SkWStream* stream, const SkBitmap& bm, int quality) = 0; |
| michael@0 | 76 | }; |
| michael@0 | 77 | |
| michael@0 | 78 | // This macro declares a global (i.e., non-class owned) creation entry point |
| michael@0 | 79 | // for each encoder (e.g., CreateJPEGImageEncoder) |
| michael@0 | 80 | #define DECLARE_ENCODER_CREATOR(codec) \ |
| michael@0 | 81 | SkImageEncoder *Create ## codec (); |
| michael@0 | 82 | |
| michael@0 | 83 | // This macro defines the global creation entry point for each encoder. Each |
| michael@0 | 84 | // encoder implementation that registers with the encoder factory must call it. |
| michael@0 | 85 | #define DEFINE_ENCODER_CREATOR(codec) \ |
| michael@0 | 86 | SkImageEncoder *Create ## codec () { \ |
| michael@0 | 87 | return SkNEW( Sk ## codec ); \ |
| michael@0 | 88 | } |
| michael@0 | 89 | |
| michael@0 | 90 | // All the encoders known by Skia. Note that, depending on the compiler settings, |
| michael@0 | 91 | // not all of these will be available |
| michael@0 | 92 | /** An ARGBImageEncoder will always write out |
| michael@0 | 93 | * bitmap.width() * bitmap.height() * 4 |
| michael@0 | 94 | * bytes. |
| michael@0 | 95 | */ |
| michael@0 | 96 | DECLARE_ENCODER_CREATOR(ARGBImageEncoder); |
| michael@0 | 97 | DECLARE_ENCODER_CREATOR(JPEGImageEncoder); |
| michael@0 | 98 | DECLARE_ENCODER_CREATOR(PNGImageEncoder); |
| michael@0 | 99 | DECLARE_ENCODER_CREATOR(WEBPImageEncoder); |
| michael@0 | 100 | |
| michael@0 | 101 | // Typedef to make registering encoder callback easier |
| michael@0 | 102 | // This has to be defined outside SkImageEncoder. :( |
| michael@0 | 103 | typedef SkTRegistry<SkImageEncoder*(*)(SkImageEncoder::Type)> SkImageEncoder_EncodeReg; |
| michael@0 | 104 | #endif |
