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1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 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 GrAtlasTextContext_DEFINED | 8 #ifndef GrAtlasTextContext_DEFINED |
9 #define GrAtlasTextContext_DEFINED | 9 #define GrAtlasTextContext_DEFINED |
10 | 10 |
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228 GrMemoryPool* fPool; | 228 GrMemoryPool* fPool; |
229 SkMaskFilter::BlurRec fBlurRec; | 229 SkMaskFilter::BlurRec fBlurRec; |
230 StrokeInfo fStrokeInfo; | 230 StrokeInfo fStrokeInfo; |
231 SkTArray<BigGlyph> fBigGlyphs; | 231 SkTArray<BigGlyph> fBigGlyphs; |
232 Key fKey; | 232 Key fKey; |
233 SkMatrix fViewMatrix; | 233 SkMatrix fViewMatrix; |
234 #ifdef SK_DEBUG | 234 #ifdef SK_DEBUG |
235 mutable SkScalar fTotalXError; | 235 mutable SkScalar fTotalXError; |
236 mutable SkScalar fTotalYError; | 236 mutable SkScalar fTotalYError; |
237 #endif | 237 #endif |
| 238 SkColor fPaintColor; |
238 SkScalar fX; | 239 SkScalar fX; |
239 SkScalar fY; | 240 SkScalar fY; |
240 SkColor fPaintColor; | 241 |
| 242 // We can reuse distance field text, but only if the new viewmatrix woul
d not result in |
| 243 // a mip change. Because there can be multiple runs in a blob, we track
the overall |
| 244 // maximum minimum scale, and minimum maximum scale, we can support befo
re we need to regen |
| 245 SkScalar fMaxMinScale; |
| 246 SkScalar fMinMaxScale; |
241 int fRunCount; | 247 int fRunCount; |
242 uint8_t fTextType; | 248 uint8_t fTextType; |
243 | 249 |
244 BitmapTextBlob() : fTextType(0) {} | 250 BitmapTextBlob() |
| 251 : fMaxMinScale(SK_ScalarMax) |
| 252 , fMinMaxScale(SK_ScalarMax) |
| 253 , fTextType(0) {} |
245 | 254 |
246 static const Key& GetKey(const BitmapTextBlob& blob) { | 255 static const Key& GetKey(const BitmapTextBlob& blob) { |
247 return blob.fKey; | 256 return blob.fKey; |
248 } | 257 } |
249 | 258 |
250 static uint32_t Hash(const Key& key) { | 259 static uint32_t Hash(const Key& key) { |
251 return SkChecksum::Murmur3(&key, sizeof(Key)); | 260 return SkChecksum::Murmur3(&key, sizeof(Key)); |
252 } | 261 } |
253 | 262 |
254 void operator delete(void* p) { | 263 void operator delete(void* p) { |
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350 static inline bool MustRegenerateBlob(SkScalar* outTransX, SkScalar* outTran
sY, | 359 static inline bool MustRegenerateBlob(SkScalar* outTransX, SkScalar* outTran
sY, |
351 const BitmapTextBlob&, const SkPaint&, | 360 const BitmapTextBlob&, const SkPaint&, |
352 const SkMaskFilter::BlurRec&, | 361 const SkMaskFilter::BlurRec&, |
353 const SkMatrix& viewMatrix, SkScalar x
, SkScalar y); | 362 const SkMatrix& viewMatrix, SkScalar x
, SkScalar y); |
354 void regenerateTextBlob(BitmapTextBlob* bmp, const SkPaint& skPaint, GrColor
, | 363 void regenerateTextBlob(BitmapTextBlob* bmp, const SkPaint& skPaint, GrColor
, |
355 const SkMatrix& viewMatrix, | 364 const SkMatrix& viewMatrix, |
356 const SkTextBlob* blob, SkScalar x, SkScalar y, | 365 const SkTextBlob* blob, SkScalar x, SkScalar y, |
357 SkDrawFilter* drawFilter, const SkIRect& clipRect, G
rRenderTarget*, | 366 SkDrawFilter* drawFilter, const SkIRect& clipRect, G
rRenderTarget*, |
358 const GrClip&, const GrPaint&); | 367 const GrClip&, const GrPaint&); |
359 inline static bool HasLCD(const SkTextBlob*); | 368 inline static bool HasLCD(const SkTextBlob*); |
360 inline void initDistanceFieldPaint(SkPaint*, SkScalar* textRatio, const SkMa
trix&); | 369 inline void initDistanceFieldPaint(BitmapTextBlob*, SkPaint*, SkScalar* text
Ratio, |
| 370 const SkMatrix&); |
361 | 371 |
362 // Distance field text needs this table to compute a value for use in the fr
agment shader. | 372 // Distance field text needs this table to compute a value for use in the fr
agment shader. |
363 // Because the GrAtlasTextContext can go out of scope before the final flush
, this needs to be | 373 // Because the GrAtlasTextContext can go out of scope before the final flush
, this needs to be |
364 // refcnted and malloced | 374 // refcnted and malloced |
365 struct DistanceAdjustTable : public SkNVRefCnt<DistanceAdjustTable> { | 375 struct DistanceAdjustTable : public SkNVRefCnt<DistanceAdjustTable> { |
366 DistanceAdjustTable(float gamma) { this->buildDistanceAdjustTable(gamma)
; } | 376 DistanceAdjustTable(float gamma) { this->buildDistanceAdjustTable(gamma)
; } |
367 ~DistanceAdjustTable() { SkDELETE_ARRAY(fTable); } | 377 ~DistanceAdjustTable() { SkDELETE_ARRAY(fTable); } |
368 | 378 |
369 void buildDistanceAdjustTable(float gamma); | 379 void buildDistanceAdjustTable(float gamma); |
370 | 380 |
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384 bool fEnableDFRendering; | 394 bool fEnableDFRendering; |
385 SkAutoTUnref<DistanceAdjustTable> fDistanceAdjustTable; | 395 SkAutoTUnref<DistanceAdjustTable> fDistanceAdjustTable; |
386 | 396 |
387 friend class GrTextBlobCache; | 397 friend class GrTextBlobCache; |
388 friend class BitmapTextBatch; | 398 friend class BitmapTextBatch; |
389 | 399 |
390 typedef GrTextContext INHERITED; | 400 typedef GrTextContext INHERITED; |
391 }; | 401 }; |
392 | 402 |
393 #endif | 403 #endif |
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