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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 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 SkImageGenerator_DEFINED | 8 #ifndef SkImageGenerator_DEFINED |
9 #define SkImageGenerator_DEFINED | 9 #define SkImageGenerator_DEFINED |
10 | 10 |
| 11 #include "SkBitmap.h" |
11 #include "SkColor.h" | 12 #include "SkColor.h" |
12 #include "SkImageInfo.h" | 13 #include "SkImageInfo.h" |
13 | 14 |
14 class GrContext; | 15 class GrContext; |
15 class SkBitmap; | 16 class SkBitmap; |
16 class SkData; | 17 class SkData; |
17 class GrTexture; | 18 class GrTexture; |
18 class SkImageGenerator; | 19 class SkImageGenerator; |
19 class SkMatrix; | 20 class SkMatrix; |
20 class SkPaint; | 21 class SkPaint; |
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159 | 160 |
160 /** Return a new image generator backed by the specified picture. If the si
ze is empty or | 161 /** Return a new image generator backed by the specified picture. If the si
ze is empty or |
161 * the picture is NULL, this returns NULL. | 162 * the picture is NULL, this returns NULL. |
162 * The optional matrix and paint arguments are passed to drawPicture() at r
asterization | 163 * The optional matrix and paint arguments are passed to drawPicture() at r
asterization |
163 * time. | 164 * time. |
164 */ | 165 */ |
165 static SkImageGenerator* NewFromPicture(const SkISize&, const SkPicture*, co
nst SkMatrix*, | 166 static SkImageGenerator* NewFromPicture(const SkISize&, const SkPicture*, co
nst SkMatrix*, |
166 const SkPaint*); | 167 const SkPaint*); |
167 | 168 |
168 bool tryGenerateBitmap(SkBitmap* bm) { | 169 bool tryGenerateBitmap(SkBitmap* bm) { |
169 return this->tryGenerateBitmap(bm, nullptr); | 170 return this->tryGenerateBitmap(bm, nullptr, nullptr); |
170 } | 171 } |
171 bool tryGenerateBitmap(SkBitmap* bm, const SkImageInfo& info) { | 172 bool tryGenerateBitmap(SkBitmap* bm, const SkImageInfo& info, SkBitmap::Allo
cator* allocator) { |
172 return this->tryGenerateBitmap(bm, &info); | 173 return this->tryGenerateBitmap(bm, &info, allocator); |
173 } | 174 } |
174 void generateBitmap(SkBitmap* bm) { | 175 void generateBitmap(SkBitmap* bm) { |
175 if (!this->tryGenerateBitmap(bm, nullptr)) { | 176 if (!this->tryGenerateBitmap(bm, nullptr, nullptr)) { |
176 sk_throw(); | 177 sk_throw(); |
177 } | 178 } |
178 } | 179 } |
179 void generateBitmap(SkBitmap* bm, const SkImageInfo& info) { | 180 void generateBitmap(SkBitmap* bm, const SkImageInfo& info) { |
180 if (!this->tryGenerateBitmap(bm, &info)) { | 181 if (!this->tryGenerateBitmap(bm, &info, nullptr)) { |
181 sk_throw(); | 182 sk_throw(); |
182 } | 183 } |
183 } | 184 } |
184 | 185 |
185 protected: | 186 protected: |
186 SkImageGenerator(const SkImageInfo& info); | 187 SkImageGenerator(const SkImageInfo& info); |
187 | 188 |
188 virtual SkData* onRefEncodedData(); | 189 virtual SkData* onRefEncodedData(); |
189 | 190 |
190 virtual bool onGetPixels(const SkImageInfo& info, void* pixels, size_t rowBy
tes, | 191 virtual bool onGetPixels(const SkImageInfo& info, void* pixels, size_t rowBy
tes, |
191 SkPMColor ctable[], int* ctableCount); | 192 SkPMColor ctable[], int* ctableCount); |
192 virtual bool onGetYUV8Planes(SkISize sizes[3], void* planes[3], size_t rowBy
tes[3]); | 193 virtual bool onGetYUV8Planes(SkISize sizes[3], void* planes[3], size_t rowBy
tes[3]); |
193 virtual bool onGetYUV8Planes(SkISize sizes[3], void* planes[3], size_t rowBy
tes[3], | 194 virtual bool onGetYUV8Planes(SkISize sizes[3], void* planes[3], size_t rowBy
tes[3], |
194 SkYUVColorSpace* colorSpace); | 195 SkYUVColorSpace* colorSpace); |
195 | 196 |
196 virtual GrTexture* onGenerateTexture(GrContext*, SkImageUsageType, const SkI
Rect*) { | 197 virtual GrTexture* onGenerateTexture(GrContext*, SkImageUsageType, const SkI
Rect*) { |
197 return nullptr; | 198 return nullptr; |
198 } | 199 } |
199 | 200 |
200 bool tryGenerateBitmap(SkBitmap* bm, const SkImageInfo* optionalInfo); | 201 bool tryGenerateBitmap(SkBitmap* bm, const SkImageInfo* optionalInfo, SkBitm
ap::Allocator*); |
201 | 202 |
202 private: | 203 private: |
203 const SkImageInfo fInfo; | 204 const SkImageInfo fInfo; |
204 const uint32_t fUniqueID; | 205 const uint32_t fUniqueID; |
205 | 206 |
206 // This is our default impl, which may be different on different platforms. | 207 // This is our default impl, which may be different on different platforms. |
207 // It is called from NewFromEncoded() after it has checked for any runtime f
actory. | 208 // It is called from NewFromEncoded() after it has checked for any runtime f
actory. |
208 // The SkData will never be NULL, as that will have been checked by NewFromE
ncoded. | 209 // The SkData will never be NULL, as that will have been checked by NewFromE
ncoded. |
209 static SkImageGenerator* NewFromEncodedImpl(SkData*); | 210 static SkImageGenerator* NewFromEncodedImpl(SkData*); |
210 }; | 211 }; |
211 | 212 |
212 #endif // SkImageGenerator_DEFINED | 213 #endif // SkImageGenerator_DEFINED |
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