File: TransformDisplayItem.cpp

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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 "platform/graphics/paint/TransformDisplayItem.h"

#include "platform/graphics/GraphicsContext.h"
#include "platform/transforms/AffineTransform.h"
#include "public/platform/WebDisplayItemList.h"

namespace blink {

BeginTransformDisplayItem::BeginTransformDisplayItem(DisplayItemClient client, const AffineTransform& transform)
    : DisplayItem(client, BeginTransform)
    , m_transform(transform)
{ }

void BeginTransformDisplayItem::replay(GraphicsContext* context)
{
    context->save();
    context->concatCTM(m_transform);
}

void BeginTransformDisplayItem::appendToWebDisplayItemList(WebDisplayItemList* list) const
{
    list->appendTransformItem(affineTransformToSkMatrix(m_transform));
}

void EndTransformDisplayItem::replay(GraphicsContext* context)
{
    context->restore();
}

void EndTransformDisplayItem::appendToWebDisplayItemList(WebDisplayItemList* list) const
{
    list->appendEndTransformItem();
}

} // namespace blink