dirtyrects.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef GRAPHICS_DIRTYRECTS_H
#define GRAPHICS_DIRTYRECTS_H

#include "common/list.h"
#include "common/rect.h"

namespace Graphics {

class DirtyRectList {
public:
    typedef Common::List<Common::Rect>::const_iterator  const_iterator; 
protected:
    Common::List<Common::Rect> _dirtyRects;

protected:
    bool unionRectangle(Common::Rect &destRect, const Common::Rect &src1, const Common::Rect &src2);

public:
    void merge();

    bool empty() const { return _dirtyRects.empty(); }

    void clear() { _dirtyRects.clear(); }

    template<class... TArgs>
    void emplace_back(TArgs &&...args) { _dirtyRects.emplace_back(Common::forward<TArgs>(args)...); }

    void push_back(const Common::Rect &r) { _dirtyRects.push_back(r); }

    void push_back(Common::Rect &&r) { _dirtyRects.push_back(Common::move(r)); }

    const_iterator  begin() const {
        return _dirtyRects.begin();
    }

    const_iterator  end() const {
        return _dirtyRects.end();
    }
};
} // End of namespace Graphics

#endif