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1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "cc/resources/drawing_display_item.h" | |
6 | |
7 #include <string> | |
8 | |
9 #include "base/strings/stringprintf.h" | |
10 #include "base/trace_event/trace_event_argument.h" | |
11 #include "cc/debug/picture_debug_util.h" | |
12 #include "third_party/skia/include/core/SkCanvas.h" | |
13 #include "third_party/skia/include/core/SkDrawPictureCallback.h" | |
14 #include "third_party/skia/include/core/SkMatrix.h" | |
15 #include "third_party/skia/include/core/SkPicture.h" | |
16 #include "third_party/skia/include/utils/SkPictureUtils.h" | |
17 | |
18 namespace cc { | |
19 | |
20 DrawingDisplayItem::DrawingDisplayItem() { | |
21 } | |
22 | |
23 DrawingDisplayItem::~DrawingDisplayItem() { | |
24 } | |
25 | |
26 void DrawingDisplayItem::SetNew(skia::RefPtr<SkPicture> picture) { | |
27 picture_ = picture.Pass(); | |
28 DisplayItem::SetNew(picture_->suitableForGpuRasterization(NULL), | |
29 picture_->approximateOpCount(), | |
30 SkPictureUtils::ApproximateBytesUsed(picture_.get())); | |
31 } | |
32 | |
33 void DrawingDisplayItem::Raster(SkCanvas* canvas, | |
34 SkDrawPictureCallback* callback) const { | |
35 // SkPicture always does a wrapping save/restore on the canvas, so it is not | |
36 // necessary here. | |
37 if (callback) | |
38 picture_->playback(canvas, callback); | |
39 else | |
40 canvas->drawPicture(picture_.get()); | |
41 } | |
42 | |
43 void DrawingDisplayItem::AsValueInto( | |
44 base::trace_event::TracedValue* array) const { | |
45 array->BeginDictionary(); | |
46 array->SetString("name", "DrawingDisplayItem"); | |
47 array->SetString( | |
48 "cullRect", | |
49 base::StringPrintf("[%f,%f,%f,%f]", picture_->cullRect().x(), | |
50 picture_->cullRect().y(), picture_->cullRect().width(), | |
51 picture_->cullRect().height())); | |
52 std::string b64_picture; | |
53 PictureDebugUtil::SerializeAsBase64(picture_.get(), &b64_picture); | |
54 array->SetString("skp64", b64_picture); | |
55 array->EndDictionary(); | |
56 } | |
57 | |
58 void DrawingDisplayItem::CloneTo(DrawingDisplayItem* item) const { | |
59 item->SetNew(picture_); | |
60 } | |
61 | |
62 } // namespace cc | |
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