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