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 7 #ifndef RegionBuilder_h__ 8 #define RegionBuilder_h__ 9 10 #include "nsTArray.h" 11 #include "pixman.h" 12 13 template <typename RegionType> 14 class RegionBuilder { 15 public: 16 typedef typename RegionType::RectType RectType; 17 18 RegionBuilder() = default; 19 OrWith(const RectType & aRect)20 void OrWith(const RectType& aRect) { 21 pixman_box32_t box = {aRect.X(), aRect.Y(), aRect.XMost(), aRect.YMost()}; 22 mRects.AppendElement(box); 23 } 24 ToRegion()25 RegionType ToRegion() const { return RegionType(mRects); } 26 27 private: 28 nsTArray<pixman_box32_t> mRects; 29 }; 30 31 #endif // RegionBuilder_h__ 32