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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef SkImageEncoder_DEFINED | 8 #ifndef SkImageEncoder_DEFINED |
9 #define SkImageEncoder_DEFINED | 9 #define SkImageEncoder_DEFINED |
10 | 10 |
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80 virtual bool onEncode(SkWStream* stream, const SkBitmap& bm, int quality) =
0; | 80 virtual bool onEncode(SkWStream* stream, const SkBitmap& bm, int quality) =
0; |
81 }; | 81 }; |
82 | 82 |
83 // This macro declares a global (i.e., non-class owned) creation entry point | 83 // This macro declares a global (i.e., non-class owned) creation entry point |
84 // for each encoder (e.g., CreateJPEGImageEncoder) | 84 // for each encoder (e.g., CreateJPEGImageEncoder) |
85 #define DECLARE_ENCODER_CREATOR(codec) \ | 85 #define DECLARE_ENCODER_CREATOR(codec) \ |
86 SkImageEncoder *Create ## codec (); | 86 SkImageEncoder *Create ## codec (); |
87 | 87 |
88 // This macro defines the global creation entry point for each encoder. Each | 88 // This macro defines the global creation entry point for each encoder. Each |
89 // encoder implementation that registers with the encoder factory must call it. | 89 // encoder implementation that registers with the encoder factory must call it. |
90 #define DEFINE_ENCODER_CREATOR(codec) \ | 90 #define DEFINE_ENCODER_CREATOR(codec) \ |
91 SkImageEncoder *Create ## codec () { \ | 91 SkImageEncoder* Create##codec() { return new Sk##codec; } |
92 return SkNEW( Sk ## codec ); \ | |
93 } | |
94 | 92 |
95 // All the encoders known by Skia. Note that, depending on the compiler settings
, | 93 // All the encoders known by Skia. Note that, depending on the compiler settings
, |
96 // not all of these will be available | 94 // not all of these will be available |
97 /** An ARGBImageEncoder will always write out | 95 /** An ARGBImageEncoder will always write out |
98 * bitmap.width() * bitmap.height() * 4 | 96 * bitmap.width() * bitmap.height() * 4 |
99 * bytes. | 97 * bytes. |
100 */ | 98 */ |
101 DECLARE_ENCODER_CREATOR(ARGBImageEncoder); | 99 DECLARE_ENCODER_CREATOR(ARGBImageEncoder); |
102 DECLARE_ENCODER_CREATOR(JPEGImageEncoder); | 100 DECLARE_ENCODER_CREATOR(JPEGImageEncoder); |
103 DECLARE_ENCODER_CREATOR(PNGImageEncoder); | 101 DECLARE_ENCODER_CREATOR(PNGImageEncoder); |
104 DECLARE_ENCODER_CREATOR(KTXImageEncoder); | 102 DECLARE_ENCODER_CREATOR(KTXImageEncoder); |
105 DECLARE_ENCODER_CREATOR(WEBPImageEncoder); | 103 DECLARE_ENCODER_CREATOR(WEBPImageEncoder); |
106 | 104 |
107 #ifdef SK_BUILD_FOR_IOS | 105 #ifdef SK_BUILD_FOR_IOS |
108 DECLARE_ENCODER_CREATOR(PNGImageEncoder_IOS); | 106 DECLARE_ENCODER_CREATOR(PNGImageEncoder_IOS); |
109 #endif | 107 #endif |
110 | 108 |
111 // Typedef to make registering encoder callback easier | 109 // Typedef to make registering encoder callback easier |
112 // This has to be defined outside SkImageEncoder. :( | 110 // This has to be defined outside SkImageEncoder. :( |
113 typedef SkTRegistry<SkImageEncoder*(*)(SkImageEncoder::Type)> SkImageEncoder_Enc
odeReg; | 111 typedef SkTRegistry<SkImageEncoder*(*)(SkImageEncoder::Type)> SkImageEncoder_Enc
odeReg; |
114 #endif | 112 #endif |
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