commit-bot@chromium.org | c4b21e6 | 2014-04-11 18:33:31 +0000 | [diff] [blame] | 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 | |
commit-bot@chromium.org | e3ff558 | 2014-04-01 16:24:06 +0000 | [diff] [blame] | 8 | #ifndef SkRecordDraw_DEFINED |
| 9 | #define SkRecordDraw_DEFINED |
| 10 | |
mtklein | 5ad6ee1 | 2014-08-11 08:08:43 -0700 | [diff] [blame] | 11 | #include "SkBBoxHierarchy.h" |
commit-bot@chromium.org | e3ff558 | 2014-04-01 16:24:06 +0000 | [diff] [blame] | 12 | #include "SkCanvas.h" |
Mike Klein | c11530e | 2014-06-24 11:29:06 -0400 | [diff] [blame] | 13 | #include "SkDrawPictureCallback.h" |
mtklein | 5ad6ee1 | 2014-08-11 08:08:43 -0700 | [diff] [blame] | 14 | #include "SkRecord.h" |
| 15 | |
| 16 | // Fill a BBH to be used by SkRecordDraw to accelerate playback. |
| 17 | void SkRecordFillBounds(const SkRecord&, SkBBoxHierarchy*); |
commit-bot@chromium.org | e3ff558 | 2014-04-01 16:24:06 +0000 | [diff] [blame] | 18 | |
commit-bot@chromium.org | 27f6b0d | 2014-05-09 14:59:29 +0000 | [diff] [blame] | 19 | // Draw an SkRecord into an SkCanvas. A convenience wrapper around SkRecords::Draw. |
mtklein | 5ad6ee1 | 2014-08-11 08:08:43 -0700 | [diff] [blame] | 20 | void SkRecordDraw(const SkRecord&, SkCanvas*, const SkBBoxHierarchy*, SkDrawPictureCallback*); |
commit-bot@chromium.org | e3ff558 | 2014-04-01 16:24:06 +0000 | [diff] [blame] | 21 | |
mtklein | 00f30bd | 2014-09-02 12:03:31 -0700 | [diff] [blame^] | 22 | // Draw a portion of an SkRecord into an SkCanvas while replacing clears with drawRects. |
| 23 | void SkRecordPartialDraw(const SkRecord&, SkCanvas*, const SkRect&, unsigned start, unsigned stop); |
| 24 | |
commit-bot@chromium.org | 27f6b0d | 2014-05-09 14:59:29 +0000 | [diff] [blame] | 25 | namespace SkRecords { |
| 26 | |
| 27 | // This is an SkRecord visitor that will draw that SkRecord to an SkCanvas. |
| 28 | class Draw : SkNoncopyable { |
| 29 | public: |
commit-bot@chromium.org | 0a98d87 | 2014-05-19 15:15:24 +0000 | [diff] [blame] | 30 | explicit Draw(SkCanvas* canvas) |
mtklein | 00f30bd | 2014-09-02 12:03:31 -0700 | [diff] [blame^] | 31 | : fInitialCTM(canvas->getTotalMatrix()), fCanvas(canvas) {} |
commit-bot@chromium.org | 27f6b0d | 2014-05-09 14:59:29 +0000 | [diff] [blame] | 32 | |
| 33 | template <typename T> void operator()(const T& r) { |
mtklein | f4078ad | 2014-08-08 10:05:19 -0700 | [diff] [blame] | 34 | this->draw(r); |
commit-bot@chromium.org | 27f6b0d | 2014-05-09 14:59:29 +0000 | [diff] [blame] | 35 | } |
| 36 | |
| 37 | private: |
| 38 | // No base case, so we'll be compile-time checked that we implement all possibilities. |
| 39 | template <typename T> void draw(const T&); |
| 40 | |
commit-bot@chromium.org | 0a98d87 | 2014-05-19 15:15:24 +0000 | [diff] [blame] | 41 | const SkMatrix fInitialCTM; |
commit-bot@chromium.org | 27f6b0d | 2014-05-09 14:59:29 +0000 | [diff] [blame] | 42 | SkCanvas* fCanvas; |
mtklein | 00f30bd | 2014-09-02 12:03:31 -0700 | [diff] [blame^] | 43 | }; |
| 44 | |
| 45 | // Used by SkRecordPartialDraw. |
| 46 | class PartialDraw : public Draw { |
| 47 | public: |
| 48 | PartialDraw(SkCanvas* canvas, const SkRect& clearRect) |
| 49 | : INHERITED(canvas), fClearRect(clearRect) {} |
| 50 | |
| 51 | // Same as Draw for all ops except Clear. |
| 52 | template <typename T> void operator()(const T& r) { |
| 53 | this->INHERITED::operator()(r); |
| 54 | } |
| 55 | void operator()(const Clear& c) { |
| 56 | SkPaint p; |
| 57 | p.setColor(c.color); |
| 58 | DrawRect drawRect(p, fClearRect); |
| 59 | this->INHERITED::operator()(drawRect); |
| 60 | } |
| 61 | |
| 62 | private: |
| 63 | const SkRect fClearRect; |
| 64 | typedef Draw INHERITED; |
commit-bot@chromium.org | 27f6b0d | 2014-05-09 14:59:29 +0000 | [diff] [blame] | 65 | }; |
| 66 | |
| 67 | } // namespace SkRecords |
| 68 | |
commit-bot@chromium.org | e3ff558 | 2014-04-01 16:24:06 +0000 | [diff] [blame] | 69 | #endif//SkRecordDraw_DEFINED |