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engines/crab/ScreenSettings.h

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+/* 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