ScreenSettings.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 code is based on the CRAB engine
 *
 * Copyright (c) Arvind Raja Yadav
 *
 * Licensed under MIT
 *
 */
 
#ifndef CRAB_SCREENSETTINGS_H
#define CRAB_SCREENSETTINGS_H
 
#include "crab/rapidxml/rapidxml.hpp"
 
namespace Crab {
 
struct Dimension {
    int w, h;
    Dimension() {
        w = 1280;
        h = 720;
    }
 
    bool operator<(const Dimension &d) { return (w < d.w && h < d.h); }
};
 
class ScreenAttributes {
public:
    // Frames per second
    int _fps;
 
    // The current screen dimensions
    Dimension _cur;
 
    // The minimum dimension where we draw the image without scaling
    // Any lower than this and we draw at the minimum resolution, then scale it down
    // Dimension min;
 
    // Is the window full-screen?
    bool _fullscreen;
 
    // Does the window have a border?
    bool _border;
 
    // Is vertical sync enabled?
    bool _vsync;
 
    // The brightness of a window
    float _gamma;
 
    // The video flags
    uint32 _videoflags;
 
    // should we save on exit?
    bool _saveOnExit;
 
    // This flag is true if we want to load high quality images, false otherwise
    bool _quality;
 
    // Is the mouse trapped within the window
    bool _mouseTrap;
 
    // The text speed (used only for popup text)
    float _textSpeed;
 
    ScreenAttributes() {
        _fps = 60;
        _fullscreen = false;
        _border = true;
        _vsync = true;
        _saveOnExit = true;
        _quality = true;
        _mouseTrap = false;
        _gamma = 1.0f;
        _textSpeed = 1.0f;
        _videoflags = 0; //SDL_WINDOW_SHOWN;
    }
};
 
// Screen attributes
class ScreenSettings : public ScreenAttributes {
 
public:
    // The desktop dimensions
    Dimension _desktop;
 
    // True if we are in game, false otherwise
    bool _inGame;
 
    // Set to true when we have to call setUI() for rearranging UI after a resolution change
    bool _changeInterface;
 
    // The version of the settings
    uint _version;
 
    ScreenSettings() {
        _inGame = false;
        _version = 0;
        _changeInterface = false;
    }
    ~ScreenSettings() {}
 
    bool validDimension(Dimension d) {
        return d.w <= _desktop.w && d.h <= _desktop.h;
    }
 
    void load(rapidxml::xml_node<char> *node);
 
    void internalEvents();
 
    void toggleFullScreen();
    void toggleVsync();
 
    void saveState();
};
 
}
 
#endif // CRAB_SCREENSETTINGS_H