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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/ClipDisplayItem.h"
#include "platform/geometry/FloatRoundedRect.h"
#include "platform/graphics/GraphicsContext.h"
#include "public/platform/WebDisplayItemList.h"
#include "third_party/skia/include/core/SkScalar.h"
namespace blink {
void ClipDisplayItem::replay(GraphicsContext* context)
{
context->save();
context->clipRect(m_clipRect, NotAntiAliased, m_operation);
for (FloatRoundedRect roundedRect : m_roundedRectClips)
context->clipRoundedRect(roundedRect, m_operation);
}
void ClipDisplayItem::appendToWebDisplayItemList(WebDisplayItemList* list) const
{
WebVector<SkRRect> webRoundedRects(m_roundedRectClips.size());
for (size_t i = 0; i < m_roundedRectClips.size(); ++i) {
FloatRoundedRect::Radii rectRadii = m_roundedRectClips[i].radii();
SkVector skRadii[4];
skRadii[SkRRect::kUpperLeft_Corner].set(SkIntToScalar(rectRadii.topLeft().width()),
SkIntToScalar(rectRadii.topLeft().height()));
skRadii[SkRRect::kUpperRight_Corner].set(SkIntToScalar(rectRadii.topRight().width()),
SkIntToScalar(rectRadii.topRight().height()));
skRadii[SkRRect::kLowerRight_Corner].set(SkIntToScalar(rectRadii.bottomRight().width()),
SkIntToScalar(rectRadii.bottomRight().height()));
skRadii[SkRRect::kLowerLeft_Corner].set(SkIntToScalar(rectRadii.bottomLeft().width()),
SkIntToScalar(rectRadii.bottomLeft().height()));
SkRRect skRoundedRect;
skRoundedRect.setRectRadii(m_roundedRectClips[i].rect(), skRadii);
webRoundedRects[i] = skRoundedRect;
}
// FIXME: needs to include the SkRegion::Op
list->appendClipItem(m_clipRect, webRoundedRects);
}
void EndClipDisplayItem::replay(GraphicsContext* context)
{
context->restore();
}
void EndClipDisplayItem::appendToWebDisplayItemList(WebDisplayItemList* list) const
{
list->appendEndClipItem();
}
#ifndef NDEBUG
void ClipDisplayItem::dumpPropertiesAsDebugString(WTF::StringBuilder& stringBuilder) const
{
DisplayItem::dumpPropertiesAsDebugString(stringBuilder);
stringBuilder.append(WTF::String::format(", clipRect: [%d,%d,%d,%d]",
m_clipRect.x(), m_clipRect.y(), m_clipRect.width(), m_clipRect.height()));
}
#endif
} // namespace blink
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