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// Copyright 2015 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 "ui/compositor/paint_cache.h"
#include "cc/playback/display_item_list.h"
#include "ui/compositor/paint_context.h"
namespace ui {
PaintCache::PaintCache() : has_cache_(false) {
}
PaintCache::~PaintCache() {
}
bool PaintCache::UseCache(const PaintContext& context,
const gfx::Size& size_in_context) {
if (!has_cache_)
return false;
DCHECK(context.list_);
gfx::Rect bounds_in_layer = context.ToLayerSpaceBounds(size_in_context);
context.list_->CreateAndAppendDrawingItem<cc::DrawingDisplayItem>(
bounds_in_layer, display_item_);
return true;
}
void PaintCache::SetCache(const cc::DrawingDisplayItem& item) {
item.CloneTo(&display_item_);
has_cache_ = true;
}
} // namespace ui
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