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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/transform_display_item.h" | |
6 | |
7 #include "base/strings/stringprintf.h" | |
8 #include "base/trace_event/trace_event_argument.h" | |
9 #include "third_party/skia/include/core/SkCanvas.h" | |
10 | |
11 namespace cc { | |
12 | |
13 TransformDisplayItem::TransformDisplayItem() | |
14 : transform_(gfx::Transform::kSkipInitialization) { | |
15 } | |
16 | |
17 TransformDisplayItem::~TransformDisplayItem() { | |
18 } | |
19 | |
20 void TransformDisplayItem::SetNew(const gfx::Transform& transform) { | |
21 transform_ = transform; | |
22 | |
23 size_t memory_usage = sizeof(gfx::Transform); | |
24 DisplayItem::SetNew(true /* suitable_for_gpu_raster */, 1 /* op_count */, | |
25 memory_usage); | |
26 } | |
27 | |
28 void TransformDisplayItem::Raster(SkCanvas* canvas, | |
29 SkDrawPictureCallback* callback) const { | |
30 canvas->save(); | |
31 if (!transform_.IsIdentity()) | |
32 canvas->concat(transform_.matrix()); | |
33 } | |
34 | |
35 void TransformDisplayItem::AsValueInto( | |
36 base::trace_event::TracedValue* array) const { | |
37 array->AppendString(base::StringPrintf("TransformDisplayItem transform: [%s]", | |
38 transform_.ToString().c_str())); | |
39 } | |
40 | |
41 EndTransformDisplayItem::EndTransformDisplayItem() { | |
42 DisplayItem::SetNew(true /* suitable_for_gpu_raster */, 0 /* op_count */, | |
43 0 /* memory_usage */); | |
44 } | |
45 | |
46 EndTransformDisplayItem::~EndTransformDisplayItem() { | |
47 } | |
48 | |
49 void EndTransformDisplayItem::Raster(SkCanvas* canvas, | |
50 SkDrawPictureCallback* callback) const { | |
51 canvas->restore(); | |
52 } | |
53 | |
54 void EndTransformDisplayItem::AsValueInto( | |
55 base::trace_event::TracedValue* array) const { | |
56 array->AppendString("EndTransformDisplayItem"); | |
57 } | |
58 | |
59 } // namespace cc | |
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