diff options
Diffstat (limited to 'java/awt/DisplayMode.java')
-rw-r--r-- | java/awt/DisplayMode.java | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/java/awt/DisplayMode.java b/java/awt/DisplayMode.java new file mode 100644 index 000000000..b988e20be --- /dev/null +++ b/java/awt/DisplayMode.java @@ -0,0 +1,164 @@ +/* DisplayMode.java -- a description of display mode configurations + Copyright (C) 2002 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath 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 2, or (at your option) +any later version. + +GNU Classpath 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 GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +02111-1307 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package java.awt; + +/** + * This encapsulates information about the display mode for a graphics + * device configuration. They are device dependent, and may not always be + * available. + * + * @author Eric Blake <ebb9@email.byu.edu> + * @see GraphicsDevice + * @since 1.4 + * @status updated to 1.4 + */ +public final class DisplayMode +{ + /** + * Value of the bit depth if multiple depths are supported. + * + * @see #getBitDepth() + */ + public static final int BIT_DEPTH_MULTI = -1; + + /** + * Value of an unknown refresh rate. + * + * @see #getRefreshRate() + */ + public static final int REFRESH_RATE_UNKNOWN = 0; + + /** The width. */ + private final int width; + + /** The height. */ + private final int height; + + /** The bit depth. */ + private final int bitDepth; + + /** The refresh rate. */ + private final int refreshRate; + + /** + * Create a mode with the given parameters. + * + * @param width the width + * @param height the height + * @param bitDepth the bitDepth + * @param refreshRate the refreshRate + * @see #BIT_DEPTH_MULTI + * @see #REFRESH_RATE_UNKNOWN + */ + public DisplayMode(int width, int height, int bitDepth, int refreshRate) + { + this.width = width; + this.height = height; + this.bitDepth = bitDepth; + this.refreshRate = refreshRate; + } + + /** + * Returns the height, in pixels. + * + * @return the height + */ + public int getHeight() + { + return height; + } + + /** + * Returns the width, in pixels. + * + * @return the width + */ + public int getWidth() + { + return width; + } + + /** + * Returns the bit depth, in bits per pixel. This may be BIT_DEPTH_MULTI. + * + * @return the bit depth + * @see #BIT_DEPTH_MULTI + */ + public int getBitDepth() + { + return bitDepth; + } + + /** + * Returns the refresh rate, in hertz. This may be REFRESH_RATE_UNKNOWN. + * + * @return the refresh rate + * @see #REFRESH_RATE_UNKNOWN + */ + public int getRefreshRate() + { + return refreshRate; + } + + /** + * Test for equality. This returns true for two modes with identical + * parameters. + * + * @param o the object to compare to + * @return true if it is equal + */ + public boolean equals(Object o) + { + if (! (o instanceof DisplayMode)) + return false; + DisplayMode m = (DisplayMode) o; + return width == m.width && height == m.height && bitDepth == m.bitDepth + && refreshRate == m.refreshRate; + } + + /** + * Returns a hash code for the display mode. + * + * @return the hash code + */ + public int hashCode() + { + return width + height + bitDepth + refreshRate; + } +} // class DisplayMode |