OLD | NEW |
(Empty) | |
| 1 /* |
| 2 * Copyright 2014 Google Inc. |
| 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. |
| 6 */ |
| 7 |
| 8 #ifndef GrRecordReplaceDraw_DEFINED |
| 9 #define GrRecordReplaceDraw_DEFINED |
| 10 |
| 11 #include "SkDrawPictureCallback.h" |
| 12 #include "SkRect.h" |
| 13 #include "SkTDArray.h" |
| 14 |
| 15 class SkBBoxHierarchy; |
| 16 class SkBitmap; |
| 17 class SkCanvas; |
| 18 class SkImage; |
| 19 class SkPaint; |
| 20 class SkRecord; |
| 21 |
| 22 // GrReplacements collects op ranges that can be replaced with |
| 23 // a single drawBitmap call (using a precomputed bitmap). |
| 24 class GrReplacements { |
| 25 public: |
| 26 // All the operations between fStart and fStop (inclusive) will be replaced
with |
| 27 // a single drawBitmap call using fPos, fBM and fPaint. |
| 28 struct ReplacementInfo { |
| 29 unsigned fStart; |
| 30 unsigned fStop; |
| 31 SkIPoint fPos; |
| 32 SkImage* fImage; // Owns a ref |
| 33 const SkPaint* fPaint; // Note: this object doesn't own the paint |
| 34 |
| 35 SkIRect fSrcRect; |
| 36 }; |
| 37 |
| 38 ~GrReplacements() { this->freeAll(); } |
| 39 |
| 40 // Add a new replacement range. The replacement ranges should be |
| 41 // sorted in increasing order and non-overlapping (esp. no nested |
| 42 // saveLayers). |
| 43 ReplacementInfo* push(); |
| 44 |
| 45 // look up a replacement range by its start offset. |
| 46 // lastLookedUp is an in/out parameter that is used to speed up the search. |
| 47 // It should be initialized to 0 on the first call and then passed back in |
| 48 // unmodified on subsequent calls. |
| 49 const ReplacementInfo* lookupByStart(size_t start, int* lastLookedUp) const; |
| 50 |
| 51 private: |
| 52 SkTDArray<ReplacementInfo> fReplacements; |
| 53 |
| 54 void freeAll(); |
| 55 |
| 56 #ifdef SK_DEBUG |
| 57 void validate() const; |
| 58 #endif |
| 59 }; |
| 60 |
| 61 // Draw an SkRecord into an SkCanvas replacing saveLayer/restore blocks with |
| 62 // drawBitmap calls. A convenience wrapper around SkRecords::Draw. |
| 63 void GrRecordReplaceDraw(const SkRecord&, |
| 64 SkCanvas*, |
| 65 const SkBBoxHierarchy*, |
| 66 const GrReplacements*, |
| 67 SkDrawPictureCallback*); |
| 68 |
| 69 #endif // GrRecordReplaceDraw_DEFINED |
OLD | NEW |