layout/tables/TableArea.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6 #ifndef mozilla_TableArea_h_
   7 #define mozilla_TableArea_h_
   8
   9 #include "nsRect.h"
  10
  11 namespace mozilla {
  12
  13 struct TableArea {
  14   TableArea() : mStartCol(0), mStartRow(0), mColCount(0), mRowCount(0) {}
  15   TableArea(int32_t aStartCol, int32_t aStartRow, int32_t aColCount,
  16             int32_t aRowCount)
  17       : mStartCol(aStartCol),
  18         mStartRow(aStartRow),
  19         mColCount(aColCount),
  20         mRowCount(aRowCount) {}
  21
  22   int32_t& StartCol() { return mStartCol; }
  23   int32_t& StartRow() { return mStartRow; }
  24   int32_t& ColCount() { return mColCount; }
  25   int32_t& RowCount() { return mRowCount; }
  26
  27   int32_t StartCol() const { return mStartCol; }
  28   int32_t StartRow() const { return mStartRow; }
  29   int32_t ColCount() const { return mColCount; }
  30   int32_t RowCount() const { return mRowCount; }
  31   int32_t EndCol() const { return mStartCol + mColCount; }
  32   int32_t EndRow() const { return mStartRow + mRowCount; }
  33
  34   void UnionArea(const TableArea& aArea1, const TableArea& aArea2) {
  35     nsIntRect rect(aArea1.mStartCol, aArea1.mStartRow, aArea1.mColCount,
  36                    aArea1.mRowCount);
  37     rect.UnionRect(rect, nsIntRect(aArea2.mStartCol, aArea2.mStartRow,
  38                                    aArea2.mColCount, aArea2.mRowCount));
  39     rect.GetRect(&mStartCol, &mStartRow, &mColCount, &mRowCount);
  40   }
  41
  42  private:
  43   int32_t mStartCol, mStartRow, mColCount, mRowCount;
  44 };
  45
  46 }  // namespace mozilla
  47
  48 #endif  // mozilla_TableArea_h_