meter.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/>.
 *
 *
 * This file is dual-licensed.
 * In addition to the GPLv3 license mentioned above, this code is also
 * licensed under LGPL 2.1. See LICENSES/COPYING.LGPL file for the
 * full text of the license.
 *
 */

#ifndef GOB_MINIGAMES_GEISHA_METER_H
#define GOB_MINIGAMES_GEISHA_METER_H

#include "gob/aniobject.h"

namespace Gob {

class Surface;

namespace Geisha {

class Meter {
public:
    enum Direction {
        kFillToLeft,
        kFillToRight
    };

    Meter(int16 x, int16 y, int16 width, int16 height,
          uint8 frontColor, uint8 backColor, int32 maxValue,
          Direction direction);
    ~Meter();

    int32 getMaxValue() const;
    int32 getValue() const;

    void setValue(int32 value);

    void setMaxValue();

    int32 increase(int32 n = 1);
    int32 decrease(int32 n = 1);

    void draw(Surface &dest, int16 &left, int16 &top, int16 &right, int16 &bottom);

private:
    int16 _x;
    int16 _y;
    int16 _width;
    int16 _height;

    uint8 _frontColor;
    uint8 _backColor;

    int32 _value;
    int32 _maxValue;

    Direction _direction;

    bool _needUpdate;

    Surface *_surface;

    void update();
};

} // End of namespace Geisha

} // End of namespace Gob

#endif // GOB_MINIGAMES_GEISHA_METER_H