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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/clip_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 "third_party/skia/include/core/SkCanvas.h" | |
12 #include "ui/gfx/skia_util.h" | |
13 | |
14 namespace cc { | |
15 | |
16 ClipDisplayItem::ClipDisplayItem(gfx::Rect clip_rect, | |
17 const std::vector<SkRRect>& rounded_clip_rects) | |
18 : clip_rect_(clip_rect), rounded_clip_rects_(rounded_clip_rects) { | |
19 } | |
20 | |
21 ClipDisplayItem::~ClipDisplayItem() { | |
22 } | |
23 | |
24 void ClipDisplayItem::Raster(SkCanvas* canvas, | |
25 SkDrawPictureCallback* callback) const { | |
26 canvas->save(); | |
27 canvas->clipRect(SkRect::MakeXYWH(clip_rect_.x(), clip_rect_.y(), | |
28 clip_rect_.width(), clip_rect_.height())); | |
29 for (size_t i = 0; i < rounded_clip_rects_.size(); ++i) { | |
30 if (rounded_clip_rects_[i].isRect()) { | |
31 canvas->clipRect(rounded_clip_rects_[i].rect()); | |
32 } else { | |
33 bool antialiased = true; | |
34 canvas->clipRRect(rounded_clip_rects_[i], SkRegion::kIntersect_Op, | |
35 antialiased); | |
36 } | |
37 } | |
38 } | |
39 | |
40 bool ClipDisplayItem::IsSuitableForGpuRasterization() const { | |
41 return true; | |
42 } | |
43 | |
44 int ClipDisplayItem::ApproximateOpCount() const { | |
45 return 1; | |
46 } | |
47 | |
48 size_t ClipDisplayItem::PictureMemoryUsage() const { | |
49 size_t total_size = sizeof(gfx::Rect); | |
50 for (size_t i = 0; i < rounded_clip_rects_.size(); ++i) { | |
51 total_size += sizeof(rounded_clip_rects_[i]); | |
52 } | |
53 return total_size; | |
54 } | |
55 | |
56 void ClipDisplayItem::AsValueInto(base::trace_event::TracedValue* array) const { | |
57 std::string value = base::StringPrintf("ClipDisplayItem rect: [%s]", | |
58 clip_rect_.ToString().c_str()); | |
59 for (const SkRRect& rounded_rect : rounded_clip_rects_) { | |
60 base::StringAppendF( | |
61 &value, " rounded_rect: [rect: [%s]", | |
62 gfx::SkRectToRectF(rounded_rect.rect()).ToString().c_str()); | |
63 base::StringAppendF(&value, " radii: ["); | |
64 SkVector upper_left_radius = rounded_rect.radii(SkRRect::kUpperLeft_Corner); | |
65 base::StringAppendF(&value, "[%f,%f],", upper_left_radius.x(), | |
66 upper_left_radius.y()); | |
67 SkVector upper_right_radius = | |
68 rounded_rect.radii(SkRRect::kUpperRight_Corner); | |
69 base::StringAppendF(&value, " [%f,%f],", upper_right_radius.x(), | |
70 upper_right_radius.y()); | |
71 SkVector lower_right_radius = | |
72 rounded_rect.radii(SkRRect::kLowerRight_Corner); | |
73 base::StringAppendF(&value, " [%f,%f],", lower_right_radius.x(), | |
74 lower_right_radius.y()); | |
75 SkVector lower_left_radius = rounded_rect.radii(SkRRect::kLowerLeft_Corner); | |
76 base::StringAppendF(&value, " [%f,%f]]", lower_left_radius.x(), | |
77 lower_left_radius.y()); | |
78 } | |
79 array->AppendString(value); | |
80 } | |
81 | |
82 EndClipDisplayItem::EndClipDisplayItem() { | |
83 } | |
84 | |
85 EndClipDisplayItem::~EndClipDisplayItem() { | |
86 } | |
87 | |
88 void EndClipDisplayItem::Raster(SkCanvas* canvas, | |
89 SkDrawPictureCallback* callback) const { | |
90 canvas->restore(); | |
91 } | |
92 | |
93 bool EndClipDisplayItem::IsSuitableForGpuRasterization() const { | |
94 return true; | |
95 } | |
96 | |
97 int EndClipDisplayItem::ApproximateOpCount() const { | |
98 return 0; | |
99 } | |
100 | |
101 size_t EndClipDisplayItem::PictureMemoryUsage() const { | |
102 return 0; | |
103 } | |
104 | |
105 void EndClipDisplayItem::AsValueInto( | |
106 base::trace_event::TracedValue* array) const { | |
107 array->AppendString("EndClipDisplayItem"); | |
108 } | |
109 | |
110 } // namespace cc | |
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