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1 /* | 1 /* |
2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 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 #include "SkCanvas.h" | 8 #include "SkCanvas.h" |
9 #include "SkCanvasDrawable.h" | 9 #include "SkCanvasDrawable.h" |
10 #include "SkThread.h" | 10 #include "SkThread.h" |
11 | 11 |
12 static int32_t next_generation_id() { | 12 static int32_t next_generation_id() { |
13 static int32_t gCanvasDrawableGenerationID; | 13 static int32_t gCanvasDrawableGenerationID; |
14 | 14 |
15 // do a loop in case our global wraps around, as we never want to | 15 // do a loop in case our global wraps around, as we never want to |
16 // return a 0 | 16 // return a 0 |
17 int32_t genID; | 17 int32_t genID; |
18 do { | 18 do { |
19 genID = sk_atomic_inc(&gCanvasDrawableGenerationID) + 1; | 19 genID = sk_atomic_inc(&gCanvasDrawableGenerationID) + 1; |
20 } while (0 == genID); | 20 } while (0 == genID); |
21 return genID; | 21 return genID; |
22 } | 22 } |
23 | 23 |
24 SkCanvasDrawable::SkCanvasDrawable() : fGenerationID(0) {} | 24 SkCanvasDrawable::SkCanvasDrawable() : fGenerationID(0) {} |
25 | 25 |
| 26 static void draw_bbox(SkCanvas* canvas, const SkRect& r) { |
| 27 SkPaint paint; |
| 28 paint.setStyle(SkPaint::kStroke_Style); |
| 29 paint.setColor(0xFFFF7088); |
| 30 canvas->drawRect(r, paint); |
| 31 canvas->drawLine(r.left(), r.top(), r.right(), r.bottom(), paint); |
| 32 canvas->drawLine(r.left(), r.bottom(), r.right(), r.top(), paint); |
| 33 } |
| 34 |
26 void SkCanvasDrawable::draw(SkCanvas* canvas) { | 35 void SkCanvasDrawable::draw(SkCanvas* canvas) { |
27 SkAutoCanvasRestore acr(canvas, true); | 36 SkAutoCanvasRestore acr(canvas, true); |
28 this->onDraw(canvas); | 37 this->onDraw(canvas); |
| 38 |
| 39 if (false) { |
| 40 draw_bbox(canvas, this->getBounds()); |
| 41 } |
29 } | 42 } |
30 | 43 |
31 SkPicture* SkCanvasDrawable::newPictureSnapshot(SkBBHFactory* bbhFactory, uint32
_t recordFlags) { | 44 SkPicture* SkCanvasDrawable::newPictureSnapshot(SkBBHFactory* bbhFactory, uint32
_t recordFlags) { |
32 return this->onNewPictureSnapshot(bbhFactory, recordFlags); | 45 return this->onNewPictureSnapshot(bbhFactory, recordFlags); |
33 } | 46 } |
34 | 47 |
35 uint32_t SkCanvasDrawable::getGenerationID() { | 48 uint32_t SkCanvasDrawable::getGenerationID() { |
36 if (0 == fGenerationID) { | 49 if (0 == fGenerationID) { |
37 fGenerationID = next_generation_id(); | 50 fGenerationID = next_generation_id(); |
38 } | 51 } |
39 return fGenerationID; | 52 return fGenerationID; |
40 } | 53 } |
41 | 54 |
42 SkRect SkCanvasDrawable::getBounds() { | 55 SkRect SkCanvasDrawable::getBounds() { |
43 return this->onGetBounds(); | 56 return this->onGetBounds(); |
44 } | 57 } |
45 | 58 |
46 void SkCanvasDrawable::notifyDrawingChanged() { | 59 void SkCanvasDrawable::notifyDrawingChanged() { |
47 fGenerationID = 0; | 60 fGenerationID = 0; |
48 } | 61 } |
49 | 62 |
50 ////////////////////////////////////////////////////////////////////////////////
///////// | 63 ////////////////////////////////////////////////////////////////////////////////
///////// |
51 | 64 |
52 #include "SkPictureRecorder.h" | 65 #include "SkPictureRecorder.h" |
53 | 66 |
54 SkPicture* SkCanvasDrawable::onNewPictureSnapshot(SkBBHFactory* bbhFactory, uint
32_t recordFlags) { | 67 SkPicture* SkCanvasDrawable::onNewPictureSnapshot(SkBBHFactory* bbhFactory, uint
32_t recordFlags) { |
| 68 SkPictureRecorder recorder; |
| 69 |
55 const SkRect bounds = this->getBounds(); | 70 const SkRect bounds = this->getBounds(); |
56 SkPictureRecorder recorder; | 71 SkCanvas* canvas = recorder.beginRecording(bounds, bbhFactory, recordFlags); |
57 this->draw(recorder.beginRecording(bounds.width(), bounds.height(), bbhFacto
ry, recordFlags)); | 72 this->draw(canvas); |
| 73 if (false) { |
| 74 draw_bbox(canvas, bounds); |
| 75 } |
58 return recorder.endRecording(); | 76 return recorder.endRecording(); |
59 } | 77 } |
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