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// 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 "config.h"
#include "core/paint/TransparencyRecorder.h"
#include "core/rendering/RenderLayer.h"
#include "core/rendering/RenderObject.h"
#include "platform/graphics/GraphicsLayer.h"
#include "platform/graphics/paint/DisplayItemList.h"
#include "platform/graphics/paint/TransparencyDisplayItem.h"
namespace blink {
TransparencyRecorder::TransparencyRecorder(GraphicsContext* graphicsContext, DisplayItemClient client, const CompositeOperator preTransparencyLayerCompositeOp, const WebBlendMode& preTransparencyLayerBlendMode, const float opacity, const CompositeOperator postTransparencyLayerCompositeOp)
: m_client(client)
, m_graphicsContext(graphicsContext)
{
OwnPtr<BeginTransparencyDisplayItem> beginTransparencyDisplayItem = BeginTransparencyDisplayItem::create(m_client, DisplayItem::BeginTransparency, preTransparencyLayerCompositeOp, preTransparencyLayerBlendMode, opacity, postTransparencyLayerCompositeOp);
if (RuntimeEnabledFeatures::slimmingPaintEnabled()) {
ASSERT(m_graphicsContext->displayItemList());
m_graphicsContext->displayItemList()->add(beginTransparencyDisplayItem.release());
} else {
beginTransparencyDisplayItem->replay(graphicsContext);
}
}
TransparencyRecorder::~TransparencyRecorder()
{
OwnPtr<EndTransparencyDisplayItem> endTransparencyDisplayItem = EndTransparencyDisplayItem::create(m_client, DisplayItem::EndTransparency);
if (RuntimeEnabledFeatures::slimmingPaintEnabled()) {
ASSERT(m_graphicsContext->displayItemList());
m_graphicsContext->displayItemList()->add(endTransparencyDisplayItem.release());
} else {
endTransparencyDisplayItem->replay(m_graphicsContext);
}
}
} // namespace blink
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