chromium/third_party/blink/renderer/core/paint/scoped_paint_state.h

// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_PAINT_SCOPED_PAINT_STATE_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_PAINT_SCOPED_PAINT_STATE_H_

#include <optional>

#include "third_party/blink/renderer/core/layout/layout_box.h"
#include "third_party/blink/renderer/core/layout/physical_box_fragment.h"
#include "third_party/blink/renderer/core/mobile_metrics/mobile_friendliness_checker.h"
#include "third_party/blink/renderer/core/paint/paint_info.h"
#include "third_party/blink/renderer/platform/graphics/paint/scoped_paint_chunk_properties.h"

namespace blink {

// Adjusts paint chunk properties, cull rect of the input PaintInfo and finds
// the paint offset for a LayoutObject or an NGPaintFragment before painting.
//
// Normally a Paint(const PaintInfo&) method creates an ScopedPaintState and
// holds it in the stack, and pass its GetPaintInfo() and PaintOffset() to the
// other PaintXXX() methods that paint different parts of the object.
//
// Each object create its own ScopedPaintState, so ScopedPaintState created for
// one object won't be passed to another object. Instead, PaintInfo is passed
// between objects.
class ScopedPaintState { … };

// Adjusts paint chunk properties, cull rect and paint offset of the input
// ScopedPaintState for box contents if needed.
class ScopedBoxContentsPaintState : public ScopedPaintState { … };

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_PAINT_SCOPED_PAINT_STATE_H_