| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "cc/playback/clip_display_item.h" |
| |
| #include <string> |
| |
| #include "base/strings/stringprintf.h" |
| #include "base/trace_event/trace_event_argument.h" |
| #include "third_party/skia/include/core/SkCanvas.h" |
| #include "ui/gfx/skia_util.h" |
| |
| namespace cc { |
| |
| ClipDisplayItem::ClipDisplayItem() { |
| } |
| |
| ClipDisplayItem::~ClipDisplayItem() { |
| } |
| |
| void ClipDisplayItem::SetNew(gfx::Rect clip_rect, |
| const std::vector<SkRRect>& rounded_clip_rects) { |
| clip_rect_ = clip_rect; |
| rounded_clip_rects_ = rounded_clip_rects; |
| |
| size_t external_memory_usage = |
| rounded_clip_rects_.capacity() * sizeof(rounded_clip_rects_[0]); |
| |
| DisplayItem::SetNew(true /* suitable_for_gpu_raster */, 1 /* op_count */, |
| external_memory_usage); |
| } |
| |
| void ClipDisplayItem::Raster(SkCanvas* canvas, |
| const gfx::Rect& canvas_target_playback_rect, |
| SkPicture::AbortCallback* callback) const { |
| canvas->save(); |
| canvas->clipRect(SkRect::MakeXYWH(clip_rect_.x(), clip_rect_.y(), |
| clip_rect_.width(), clip_rect_.height())); |
| for (size_t i = 0; i < rounded_clip_rects_.size(); ++i) { |
| if (rounded_clip_rects_[i].isRect()) { |
| canvas->clipRect(rounded_clip_rects_[i].rect()); |
| } else { |
| bool antialiased = true; |
| canvas->clipRRect(rounded_clip_rects_[i], SkRegion::kIntersect_Op, |
| antialiased); |
| } |
| } |
| } |
| |
| void ClipDisplayItem::AsValueInto(base::trace_event::TracedValue* array) const { |
| std::string value = base::StringPrintf("ClipDisplayItem rect: [%s]", |
| clip_rect_.ToString().c_str()); |
| for (const SkRRect& rounded_rect : rounded_clip_rects_) { |
| base::StringAppendF( |
| &value, " rounded_rect: [rect: [%s]", |
| gfx::SkRectToRectF(rounded_rect.rect()).ToString().c_str()); |
| base::StringAppendF(&value, " radii: ["); |
| SkVector upper_left_radius = rounded_rect.radii(SkRRect::kUpperLeft_Corner); |
| base::StringAppendF(&value, "[%f,%f],", upper_left_radius.x(), |
| upper_left_radius.y()); |
| SkVector upper_right_radius = |
| rounded_rect.radii(SkRRect::kUpperRight_Corner); |
| base::StringAppendF(&value, " [%f,%f],", upper_right_radius.x(), |
| upper_right_radius.y()); |
| SkVector lower_right_radius = |
| rounded_rect.radii(SkRRect::kLowerRight_Corner); |
| base::StringAppendF(&value, " [%f,%f],", lower_right_radius.x(), |
| lower_right_radius.y()); |
| SkVector lower_left_radius = rounded_rect.radii(SkRRect::kLowerLeft_Corner); |
| base::StringAppendF(&value, " [%f,%f]]", lower_left_radius.x(), |
| lower_left_radius.y()); |
| } |
| array->AppendString(value); |
| } |
| |
| EndClipDisplayItem::EndClipDisplayItem() { |
| DisplayItem::SetNew(true /* suitable_for_gpu_raster */, 0 /* op_count */, |
| 0 /* external_memory_usage */); |
| } |
| |
| EndClipDisplayItem::~EndClipDisplayItem() { |
| } |
| |
| void EndClipDisplayItem::Raster(SkCanvas* canvas, |
| const gfx::Rect& canvas_target_playback_rect, |
| SkPicture::AbortCallback* callback) const { |
| canvas->restore(); |
| } |
| |
| void EndClipDisplayItem::AsValueInto( |
| base::trace_event::TracedValue* array) const { |
| array->AppendString("EndClipDisplayItem"); |
| } |
| |
| } // namespace cc |