chromium/pdf/pdf_ink_undo_redo_model.h

// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef PDF_PDF_INK_UNDO_REDO_MODEL_H_
#define PDF_PDF_INK_UNDO_REDO_MODEL_H_

#include <stddef.h>

#include <optional>
#include <set>
#include <vector>

#include "base/types/strong_alias.h"
#include "pdf/buildflags.h"
#include "third_party/abseil-cpp/absl/types/variant.h"

static_assert …;

namespace chrome_pdf {

// Models draw and erase commands. Based on the recorded commands,
// processes undo / redo requests and calculates what commands need to be
// applied.
class PdfInkUndoRedoModel { … };

}  // namespace chrome_pdf

#endif  // PDF_PDF_INK_UNDO_REDO_MODEL_H_