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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 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 SkImage_DEFINED | 8 #ifndef SkImage_DEFINED |
9 #define SkImage_DEFINED | 9 #define SkImage_DEFINED |
10 | 10 |
11 #include "SkFilterQuality.h" | 11 #include "SkFilterQuality.h" |
12 #include "SkImageInfo.h" | 12 #include "SkImageInfo.h" |
13 #include "SkImageEncoder.h" | 13 #include "SkImageEncoder.h" |
14 #include "SkRefCnt.h" | 14 #include "SkRefCnt.h" |
15 #include "SkScalar.h" | 15 #include "SkScalar.h" |
16 #include "SkShader.h" | 16 #include "SkShader.h" |
17 | 17 |
18 class SkData; | 18 class SkData; |
19 class SkCanvas; | 19 class SkCanvas; |
20 class SkColorTable; | 20 class SkColorTable; |
21 class SkImageGenerator; | 21 class SkImageGenerator; |
22 class SkPaint; | 22 class SkPaint; |
23 class SkPicture; | 23 class SkPicture; |
24 class SkPixelSerializer; | |
24 class SkString; | 25 class SkString; |
25 class SkSurface; | 26 class SkSurface; |
26 class SkSurfaceProps; | 27 class SkSurfaceProps; |
27 class GrContext; | 28 class GrContext; |
28 class GrTexture; | 29 class GrTexture; |
29 | 30 |
30 /** | 31 /** |
31 * SkImage is an abstraction for drawing a rectagle of pixels, though the | 32 * SkImage is an abstraction for drawing a rectagle of pixels, though the |
32 * particular type of image could be actually storing its data on the GPU, or | 33 * particular type of image could be actually storing its data on the GPU, or |
33 * as drawing commands (picture or PDF or otherwise), ready to be played back | 34 * as drawing commands (picture or PDF or otherwise), ready to be played back |
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216 | 217 |
217 /** | 218 /** |
218 * Encode the image's pixels and return the result as a new SkData, which | 219 * Encode the image's pixels and return the result as a new SkData, which |
219 * the caller must manage (i.e. call unref() when they are done). | 220 * the caller must manage (i.e. call unref() when they are done). |
220 * | 221 * |
221 * If the image type cannot be encoded, or the requested encoder type is | 222 * If the image type cannot be encoded, or the requested encoder type is |
222 * not supported, this will return NULL. | 223 * not supported, this will return NULL. |
223 */ | 224 */ |
224 SkData* encode(SkImageEncoder::Type, int quality) const; | 225 SkData* encode(SkImageEncoder::Type, int quality) const; |
225 | 226 |
227 /** | |
228 * Same as the above, but using the SkPixelSerializer. | |
reed1
2015/09/02 13:59:57
// Can the serialize be null?
// What happens if t
| |
229 */ | |
230 SkData* encode(SkPixelSerializer*) const; | |
231 | |
226 SkData* encode() const { | 232 SkData* encode() const { |
227 return this->encode(SkImageEncoder::kPNG_Type, 100); | 233 return this->encode(SkImageEncoder::kPNG_Type, 100); |
228 } | 234 } |
229 | 235 |
230 /** | 236 /** |
231 * If the image already has its contents in encoded form (e.g. PNG or JPEG) , return a ref | 237 * If the image already has its contents in encoded form (e.g. PNG or JPEG) , return a ref |
232 * to that data (which the caller must call unref() on). The caller is resp onsible for calling | 238 * to that data (which the caller must call unref() on). The caller is resp onsible for calling |
233 * unref on the data when they are done. | 239 * unref on the data when they are done. |
234 * | 240 * |
235 * If the image does not already has its contents in encoded form, return N ULL. | 241 * If the image does not already has its contents in encoded form, return N ULL. |
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299 | 305 |
300 private: | 306 private: |
301 const int fWidth; | 307 const int fWidth; |
302 const int fHeight; | 308 const int fHeight; |
303 const uint32_t fUniqueID; | 309 const uint32_t fUniqueID; |
304 | 310 |
305 typedef SkRefCnt INHERITED; | 311 typedef SkRefCnt INHERITED; |
306 }; | 312 }; |
307 | 313 |
308 #endif | 314 #endif |
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