jdk/src/share/classes/java/awt/ImageCapabilities.java
changeset 2 90ce3da70b43
child 5506 202f599c92aa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/java/awt/ImageCapabilities.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,81 @@
+/*
+ * Copyright 2000-2001 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package java.awt;
+
+/**
+ * Capabilities and properties of images.
+ * @author Michael Martak
+ * @since 1.4
+ */
+public class ImageCapabilities implements Cloneable {
+
+    private boolean accelerated = false;
+
+    /**
+     * Creates a new object for specifying image capabilities.
+     * @param accelerated whether or not an accelerated image is desired
+     */
+    public ImageCapabilities(boolean accelerated) {
+        this.accelerated = accelerated;
+    }
+
+    /**
+     * Returns <code>true</code> if the object whose capabilities are
+     * encapsulated in this <code>ImageCapabilities</code> can be or is
+     * accelerated.
+     * @return whether or not an image can be, or is, accelerated.  There are
+     * various platform-specific ways to accelerate an image, including
+     * pixmaps, VRAM, AGP.  This is the general acceleration method (as
+     * opposed to residing in system memory).
+     */
+    public boolean isAccelerated() {
+        return accelerated;
+    }
+
+    /**
+     * Returns <code>true</code> if the <code>VolatileImage</code>
+     * described by this <code>ImageCapabilities</code> can lose
+     * its surfaces.
+     * @return whether or not a volatile image is subject to losing its surfaces
+     * at the whim of the operating system.
+     */
+    public boolean isTrueVolatile() {
+        return false;
+    }
+
+    /**
+     * @return a copy of this ImageCapabilities object.
+     */
+    public Object clone() {
+        try {
+            return super.clone();
+        } catch (CloneNotSupportedException e) {
+            // Since we implement Cloneable, this should never happen
+            throw new InternalError();
+        }
+    }
+
+}