screens.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 TWINE_RENDERER_SCREENS_H
#define TWINE_RENDERER_SCREENS_H

#include "common/scummsys.h"
#include "graphics/managed_surface.h"
#include "graphics/surface.h"
#include "twine/twine.h"

namespace TwinE {

class TwinEEngine;
class Screens {
private:
    TwinEEngine *_engine;

    void adjustPalette(uint8 r, uint8 g, uint8 b, const uint32 *palette, int32 intensity);

public:
    Screens(TwinEEngine *engine) : _engine(engine) {}

    uint8 _palette[NUMOFCOLORS * 3]{0};

    int32 mapLba2Palette(int32 palIndex);

    uint32 _paletteRGBA[NUMOFCOLORS]{0};

    uint32 _paletteRGBACustom[NUMOFCOLORS]{0};

    bool _palResetted = false;

    bool _fadePalette = false;

    bool _useAlternatePalette = false;

    uint32 _mainPaletteRGBA[NUMOFCOLORS]{0};

    bool adelineLogo();

    void convertPalToRGBA(const uint8 *in, uint32 *out);

    void setDarkPal();
    void setNormalPal();

    void loadCustomPalette(const TwineResource &resource);

    void loadMenuImage(bool fadeIn = true);

    void loadImage(TwineImage image, bool fadeIn = true);

    bool loadImageDelay(TwineImage image, int32 seconds);

    bool loadBitmapDelay(const char *image, int32 seconds);

    void fadeIn(const uint32 *palette);

    void fadeOut(const uint32 *palette);

    int32 lerp(int32 value, int32 start, int32 end, int32 t);

    void adjustCrossPalette(const uint32 *pal1, const uint32 *pal2);

    void fadeToBlack(const uint32 *palette);

    void fadeToPal(const uint32 *palette);

    void blackToWhite();

    void setBackPal();

    void fadePalRed(const uint32 *palette);

    void fadeRedPal(const uint32 *palette);

    void copyScreen(const Graphics::ManagedSurface &source, Graphics::ManagedSurface &destination);

    void clearScreen();

    void initPalettes();
};

} // namespace TwinE

#endif