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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "config.h" | 5 #include "config.h" |
6 | 6 |
7 #include "base/debug/trace_event.h" | |
8 #include "cc/content_layer_client.h" | |
7 #include "cc/picture.h" | 9 #include "cc/picture.h" |
10 #include "cc/rendering_stats.h" | |
11 #include "third_party/skia/include/core/SkCanvas.h" | |
12 #include "ui/gfx/rect_conversions.h" | |
8 | 13 |
9 namespace cc { | 14 namespace cc { |
10 | 15 |
11 Picture::Picture() { | 16 scoped_refptr<Picture> Picture::Create() { |
17 return make_scoped_refptr(new Picture()); | |
18 } | |
19 | |
20 Picture::Picture() : picture_(new SkPicture()) { | |
21 } | |
22 | |
23 Picture::Picture(SkPicture* picture, gfx::Rect layer_rect, | |
24 gfx::Rect opaque_rect) : | |
25 layer_rect_(layer_rect), | |
26 opaque_rect_(opaque_rect), | |
27 picture_(picture) { | |
12 } | 28 } |
13 | 29 |
14 Picture::~Picture() { | 30 Picture::~Picture() { |
15 } | 31 } |
16 | 32 |
33 scoped_refptr<Picture> Picture::Clone() { | |
34 // SkPicture is not thread-safe to rasterize with, so return a thread-safe | |
35 // clone of it. | |
36 SkPicture* clone = picture_->clone(); | |
37 return make_scoped_refptr(new Picture(clone, layer_rect_, opaque_rect_)); | |
38 } | |
39 | |
40 void Picture::Record(ContentLayerClient* painter, gfx::Rect layer_rect, | |
41 RenderingStats& stats) { | |
42 TRACE_EVENT0("cc", "Picture::Record"); | |
43 SkCanvas* canvas = picture_->beginRecording( | |
44 layer_rect.width(), | |
45 layer_rect.height(), | |
46 SkPicture::kOptimizeForClippedPlayback_RecordingFlag); | |
47 | |
48 canvas->save(); | |
49 canvas->translate(SkFloatToScalar(-layer_rect.x()), | |
50 SkFloatToScalar(-layer_rect.y())); | |
51 | |
52 SkPaint paint; | |
53 paint.setAntiAlias(false); | |
54 paint.setXfermodeMode(SkXfermode::kClear_Mode); | |
55 SkRect layer_skrect = SkRect::MakeXYWH(layer_rect.x(), | |
56 layer_rect.y(), | |
57 layer_rect.width(), | |
58 layer_rect.height()); | |
59 canvas->drawRect(layer_skrect, paint); | |
60 canvas->clipRect(layer_skrect); | |
61 | |
62 gfx::RectF opaque_layer_rect; | |
63 base::TimeTicks beginPaintTime = base::TimeTicks::Now(); | |
64 painter->paintContents(canvas, layer_rect, opaque_layer_rect); | |
65 double delta = (base::TimeTicks::Now() - beginPaintTime).InSecondsF(); | |
66 stats.totalPaintTimeInSeconds += delta; | |
67 | |
68 canvas->restore(); | |
69 picture_->endRecording(); | |
70 | |
71 opaque_rect_ = gfx::ToEnclosedRect(opaque_layer_rect); | |
72 layer_rect_ = layer_rect; | |
73 } | |
74 | |
75 void Picture::Raster(SkCanvas* canvas) { | |
76 TRACE_EVENT0("cc", "Picture::Raster"); | |
77 canvas->translate(layer_rect_.x(), layer_rect_.y()); | |
78 canvas->save(); | |
slavi
2012/11/09 23:56:21
No need to save/resore here. See comment of SkCanv
enne (OOO)
2012/11/09 23:59:20
Oh, thanks! :)
| |
79 canvas->drawPicture(*picture_); | |
80 canvas->restore(); | |
81 } | |
82 | |
17 } // namespace cc | 83 } // namespace cc |
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