| OLD | NEW |
| 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 |
| 11 #include "SkImageInfo.h" | 11 #include "SkImageInfo.h" |
| 12 #include "SkTRegistry.h" | 12 #include "SkTRegistry.h" |
| 13 | 13 |
| 14 class SkBitmap; | 14 class SkBitmap; |
| 15 class SkPixelSerializer; | |
| 16 class SkPixmap; | |
| 17 class SkData; | 15 class SkData; |
| 18 class SkWStream; | 16 class SkWStream; |
| 19 | 17 |
| 20 class SkImageEncoder { | 18 class SkImageEncoder { |
| 21 public: | 19 public: |
| 22 // TODO (scroggo): Merge with SkEncodedFormat. | 20 // TODO (scroggo): Merge with SkEncodedFormat. |
| 23 enum Type { | 21 enum Type { |
| 24 kUnknown_Type, | 22 kUnknown_Type, |
| 25 kBMP_Type, | 23 kBMP_Type, |
| 26 kGIF_Type, | 24 kGIF_Type, |
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| 59 * Encode bitmap 'bm' in the desired format, writing results to | 57 * Encode bitmap 'bm' in the desired format, writing results to |
| 60 * stream 'stream', at quality level 'quality' (which can be in | 58 * stream 'stream', at quality level 'quality' (which can be in |
| 61 * range 0-100). Returns false on failure. | 59 * range 0-100). Returns false on failure. |
| 62 */ | 60 */ |
| 63 bool encodeStream(SkWStream* stream, const SkBitmap& bm, int quality); | 61 bool encodeStream(SkWStream* stream, const SkBitmap& bm, int quality); |
| 64 | 62 |
| 65 static SkData* EncodeData(const SkImageInfo&, const void* pixels, size_t row
Bytes, | 63 static SkData* EncodeData(const SkImageInfo&, const void* pixels, size_t row
Bytes, |
| 66 Type, int quality); | 64 Type, int quality); |
| 67 static SkData* EncodeData(const SkBitmap&, Type, int quality); | 65 static SkData* EncodeData(const SkBitmap&, Type, int quality); |
| 68 | 66 |
| 69 static SkData* EncodeData(const SkPixmap&, Type, int quality); | |
| 70 | |
| 71 static bool EncodeFile(const char file[], const SkBitmap&, Type, | 67 static bool EncodeFile(const char file[], const SkBitmap&, Type, |
| 72 int quality); | 68 int quality); |
| 73 static bool EncodeStream(SkWStream*, const SkBitmap&, Type, | 69 static bool EncodeStream(SkWStream*, const SkBitmap&, Type, |
| 74 int quality); | 70 int quality); |
| 75 | 71 |
| 76 /** Uses SkImageEncoder to serialize images that are not already | |
| 77 encoded as SkImageEncoder::kPNG_Type images. */ | |
| 78 static SkPixelSerializer* CreatePixelSerializer(); | |
| 79 | |
| 80 protected: | 72 protected: |
| 81 /** | 73 /** |
| 82 * Encode bitmap 'bm' in the desired format, writing results to | 74 * Encode bitmap 'bm' in the desired format, writing results to |
| 83 * stream 'stream', at quality level 'quality' (which can be in | 75 * stream 'stream', at quality level 'quality' (which can be in |
| 84 * range 0-100). | 76 * range 0-100). |
| 85 * | 77 * |
| 86 * This must be overridden by each SkImageEncoder implementation. | 78 * This must be overridden by each SkImageEncoder implementation. |
| 87 */ | 79 */ |
| 88 virtual bool onEncode(SkWStream* stream, const SkBitmap& bm, int quality) =
0; | 80 virtual bool onEncode(SkWStream* stream, const SkBitmap& bm, int quality) =
0; |
| 89 }; | 81 }; |
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| 111 DECLARE_ENCODER_CREATOR(WEBPImageEncoder); | 103 DECLARE_ENCODER_CREATOR(WEBPImageEncoder); |
| 112 | 104 |
| 113 #ifdef SK_BUILD_FOR_IOS | 105 #ifdef SK_BUILD_FOR_IOS |
| 114 DECLARE_ENCODER_CREATOR(PNGImageEncoder_IOS); | 106 DECLARE_ENCODER_CREATOR(PNGImageEncoder_IOS); |
| 115 #endif | 107 #endif |
| 116 | 108 |
| 117 // Typedef to make registering encoder callback easier | 109 // Typedef to make registering encoder callback easier |
| 118 // This has to be defined outside SkImageEncoder. :( | 110 // This has to be defined outside SkImageEncoder. :( |
| 119 typedef SkTRegistry<SkImageEncoder*(*)(SkImageEncoder::Type)> SkImageEncoder_Enc
odeReg; | 111 typedef SkTRegistry<SkImageEncoder*(*)(SkImageEncoder::Type)> SkImageEncoder_Enc
odeReg; |
| 120 #endif | 112 #endif |
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