subtitle.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 LASTEXPRESS_SUBTITLE_H
#define LASTEXPRESS_SUBTITLE_H

/*
    Subtitle format (.SBE)

    uint16 {2}   - number of subtitles

    // for each subtitle
        uint16 {2}   - display start time
        uint16 {2}   - display stop time
        uint16 {2}   - top line length
        uint16 {2}   - bottom line length
        byte {x}     - top line (UTF-16 string)
        byte {x}     - bottom line (UTF-16 string)

    Subtitles seem to be drawn on screen at (80, 420) x (560, 458)
*/

#include "lastexpress/drawable.h"

#include "common/array.h"

namespace Common {
class SeekableReadStream;
}

namespace LastExpress {

class Font;
class Subtitle;

class SubtitleManager : public Drawable {
public:
    SubtitleManager(Font *font);
    ~SubtitleManager() override;

    bool load(Common::SeekableReadStream *stream);
    uint16 getMaxTime() const;
    void setTime(uint16 time);
    bool hasChanged() const;
    Common::Rect draw(Graphics::Surface *surface) override;

private:
    Common::Array<Subtitle *> _subtitles;
    Font *_font;
    uint16 _maxTime;

    int16 _currentIndex;
    int16 _lastIndex;

    void reset();
};

} // End of namespace LastExpress

#endif // LASTEXPRESS_SUBTITLE_H