channel.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 DIRECTOR_CHANNEL_H
#define DIRECTOR_CHANNEL_H

#include "director/cursor.h"
#include "director/sprite.h"

namespace Graphics {
    struct Surface;
    class ManagedSurface;
    class MacWidget;
}

namespace Director {

class Sprite;
class Cursor;
class Score;

class Channel {
public:
    Channel(Score *sc, Sprite *sp, int priority = 0);
    Channel(const Channel &channel);
    Channel& operator=(const Channel &channel);
    ~Channel();

    DirectorPlotData getPlotData();
    const Graphics::Surface *getMask(bool forceMatte = false);

    inline int getWidth() { return _sprite->_width; };
    inline int getHeight() { return _sprite->_height; };
    inline Common::Point getPosition() { return _sprite->getPosition(); };
    // Return the area of screen to be used for drawing content.
    inline Common::Rect getBbox(bool unstretched = false) { return _sprite->getBbox(unstretched); };

    bool isStretched();
    bool isDirty(Sprite *nextSprite = nullptr);
    bool isEmpty();
    bool isActiveText();
    bool isMouseIn(const Common::Point &pos);
    bool isMatteIntersect(Channel *channel);
    bool isMatteWithin(Channel *channel);
    bool isActiveVideo();
    bool isVideoDirectToStage();

    inline void setWidth(int w) { _sprite->setWidth(w); replaceWidget(); _dirty = true; };
    inline void setHeight(int h) { _sprite->setHeight(h); replaceWidget(); _dirty = true; };
    inline void setBbox(int l, int t, int r, int b) { _sprite->setBbox(l, t, r, b); replaceWidget(); _dirty = true; };
    void setPosition(int x, int y, bool force = false);
    void setCast(CastMemberID memberID);
    void setClean(Sprite *nextSprite, bool partial = false);
    void setStretch(bool enabled);
    bool getEditable();
    void setEditable(bool editable);
    void replaceSprite(Sprite *nextSprite);
    void replaceWidget(CastMemberID previousCastId = CastMemberID(0, 0), bool force = false);
    bool updateWidget();
    void updateTextCast();

    bool isTrail();

    void updateGlobalAttr();

    bool canKeepWidget(CastMemberID castId);
    bool canKeepWidget(Sprite *currentSprite, Sprite *nextSprite);

    int getMouseChar(int x, int y);
    int getMouseWord(int x, int y);
    int getMouseItem(int x, int y);
    int getMouseLine(int x, int y);

    void updateVideoTime();

    // used for film loops
    bool hasSubChannels();
    Common::Array<Channel> *getSubChannels();

public:
    Sprite *_sprite;
    Cursor _cursor;
    Graphics::MacWidget *_widget;

    bool _dirty;
    bool _visible;
    uint _constraint;
    Graphics::ManagedSurface *_mask;

    int _priority;

    // Used in digital movie sprites
    double _movieRate;
    int _movieTime;
    int _startTime;
    int _stopTime;

    // Used in film loops
    uint _filmLoopFrame;

private:
    Graphics::ManagedSurface *getSurface();
    Score *_score;
};

} // End of namespace Director

#endif