Michael Bayne
659f5bc5e2
saver that is Eclipse's "Infer generic types" which leaves HashMap and ArrayList as the declared type where I would normally prefer to change those to Map and List and use Maps and Lists to instantiate them. git-svn-id: svn+ssh://src.earth.threerings.net/nenya/trunk@593 ed5b42cb-e716-0410-a449-f6a68f950b19
97 lines
3.4 KiB
Java
97 lines
3.4 KiB
Java
//
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// $Id$
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//
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// Nenya library - tools for developing networked games
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// Copyright (C) 2002-2007 Three Rings Design, Inc., All Rights Reserved
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// http://www.threerings.net/code/nenya/
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//
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// This library is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License as published
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// by the Free Software Foundation; either version 2.1 of the License, or
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// (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package com.threerings.media.util;
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import java.awt.DisplayMode;
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import java.awt.GraphicsDevice;
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import java.util.Comparator;
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import java.util.TreeSet;
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/**
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* Display mode related utilities.
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*/
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public class ModeUtil
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{
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/**
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* Gets a display mode that matches the specified parameters. The
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* screen resolution must match the specified resolution exactly, the
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* specified desired depth will be used if it is available, and if
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* not, the highest depth greater than or equal to the specified
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* minimum depth is used. The highest refresh rate available for the
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* desired mode is also used.
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*/
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public static DisplayMode getDisplayMode (
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GraphicsDevice gd, int width, int height, int desiredDepth, int minimumDepth)
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{
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DisplayMode[] modes = gd.getDisplayModes();
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final int ddepth = desiredDepth;
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// we sort modes in order of desirability
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Comparator<DisplayMode> mcomp = new Comparator<DisplayMode>() {
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public int compare (DisplayMode m1, DisplayMode m2) {
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int bd1 = m1.getBitDepth(), bd2 = m2.getBitDepth();
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int rr1 = m1.getRefreshRate(), rr2 = m2.getRefreshRate();
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// prefer the desired depth
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if (bd1 == ddepth && bd2 != ddepth) {
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return -1;
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} else if (bd2 == ddepth && bd1 != ddepth) {
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return 1;
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}
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// otherwise prefer higher depths
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if (bd1 != bd2) {
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return bd2 - bd1;
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}
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// for same bitrates, prefer higher refresh rates
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return rr2 - rr1;
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}
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};
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// but we only add modes that meet our minimum requirements
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TreeSet<DisplayMode> mset = new TreeSet<DisplayMode>(mcomp);
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for (int i = 0; i < modes.length; i++) {
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if (modes[i].getWidth() == width &&
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modes[i].getHeight() == height &&
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modes[i].getBitDepth() >= minimumDepth &&
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modes[i].getRefreshRate() <= 75) {
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mset.add(modes[i]);
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}
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}
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return (mset.size() > 0) ? mset.first() : null;
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}
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/**
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* Returns a string representation of the supplied display mode.
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*/
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public static String toString (DisplayMode mode)
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{
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return "[width=" + mode.getWidth() +
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", height=" + mode.getHeight() +
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", depth=" + mode.getBitDepth() +
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", refresh=" + mode.getRefreshRate() + "]";
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}
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}
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