gecko-dev/layout/tables/TableArea.h

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_TableArea_h_
#define mozilla_TableArea_h_

#include "nsRect.h"

namespace mozilla {

struct TableArea {
  TableArea() : mStartCol(0), mStartRow(0), mColCount(0), mRowCount(0) {}
  TableArea(int32_t aStartCol, int32_t aStartRow, int32_t aColCount,
            int32_t aRowCount)
      : mStartCol(aStartCol),
        mStartRow(aStartRow),
        mColCount(aColCount),
        mRowCount(aRowCount) {}

  int32_t& StartCol() { return mStartCol; }
  int32_t& StartRow() { return mStartRow; }
  int32_t& ColCount() { return mColCount; }
  int32_t& RowCount() { return mRowCount; }

  int32_t StartCol() const { return mStartCol; }
  int32_t StartRow() const { return mStartRow; }
  int32_t ColCount() const { return mColCount; }
  int32_t RowCount() const { return mRowCount; }
  int32_t EndCol() const { return mStartCol + mColCount; }
  int32_t EndRow() const { return mStartRow + mRowCount; }

  void UnionArea(const TableArea& aArea1, const TableArea& aArea2) {
    nsIntRect rect(aArea1.mStartCol, aArea1.mStartRow, aArea1.mColCount,
                   aArea1.mRowCount);
    rect.UnionRect(rect, nsIntRect(aArea2.mStartCol, aArea2.mStartRow,
                                   aArea2.mColCount, aArea2.mRowCount));
    rect.GetRect(&mStartCol, &mStartRow, &mColCount, &mRowCount);
  }

 private:
  int32_t mStartCol, mStartRow, mColCount, mRowCount;
};

}  // namespace mozilla

#endif  // mozilla_TableArea_h_