screen.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 VOYEUR_GRAPHICS_H
#define VOYEUR_GRAPHICS_H

#include "common/scummsys.h"
#include "common/array.h"
#include "common/rect.h"
#include "common/serializer.h"
#include "graphics/screen.h"

namespace Voyeur {

#define SCREEN_WIDTH 320
#define SCREEN_HEIGHT 200

class VoyeurEngine;
class Screen;
class DisplayResource;
class PictureResource;
class ViewPortResource;
class ViewPortListResource;
class FontResource;
class FontInfoResource;
class CMapResource;

class DrawInfo {
public:
    int _penColor;
    Common::Point _pos;
public:
    DrawInfo(int penColor, const Common::Point &pos);
};

typedef void (Screen::*ScreenMethodPtr)();
typedef void (Screen::*ViewPortSetupPtr)(ViewPortResource *);
typedef void (Screen::*ViewPortAddPtr)(ViewPortResource *, int idx, const Common::Rect &bounds);
typedef void (Screen::*ViewPortRestorePtr)(ViewPortResource *);

class Screen: public Graphics::Screen {
public:
    byte _VGAColors[PALETTE_SIZE];
    PictureResource *_backgroundPage;
    int _SVGAMode;
    ViewPortListResource *_viewPortListPtr;
    ViewPortResource *_vPort;
    bool _saveBack;
    Common::Rect *_clipPtr;
    uint _planeSelect;
    CMapResource *_backColors;
    FontInfoResource *_fontPtr;
    PictureResource *_fontChar;
    DrawInfo *_drawPtr;
    DrawInfo _defaultDrawInfo;
private:
    VoyeurEngine *_vm;

    void restoreBack(Common::Array<Common::Rect> &rectList, int rectListCount,
        PictureResource *srcPic, PictureResource *destPic);
public:
    Screen(VoyeurEngine *vm);
    ~Screen() override;

    void sInitGraphics();

    void setupMCGASaveRect(ViewPortResource *viewPort);
    void addRectOptSaveRect(ViewPortResource *viewPort, int idx, const Common::Rect &bounds);
    void restoreMCGASaveRect(ViewPortResource *viewPort);
    void addRectNoSaveBack(ViewPortResource *viewPort, int idx, const Common::Rect &bounds);

    void sDrawPic(DisplayResource *srcDisplay, DisplayResource *destDisplay, const Common::Point &initialOffset);
    void fillPic(DisplayResource *display, byte onOff);
    void sDisplayPic(PictureResource *pic);
    void drawANumber(DisplayResource *display, int num, const Common::Point &pt);
    void flipPage();
    void setPalette(const byte *palette, int start, int count);
    void setPalette128(const byte *palette, int start, int count);
    void resetPalette();
    void setColor(int idx, byte r, byte g, byte b);
    void setOneColor(int idx, byte r, byte g, byte b);
    void setColors(int start, int count, const byte *pal);
    void screenReset();
    void fadeDownICF1(int steps);
    void fadeUpICF1(int steps = 0);
    void fadeDownICF(int steps);
    void drawDot();

    void synchronize(Common::Serializer &s);
};

} // End of namespace Voyeur

#endif /* VOYEUR_GRAPHICS_H */