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Diffstat (limited to 'awt/java/awt/image/VolatileImage.java')
-rw-r--r-- | awt/java/awt/image/VolatileImage.java | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/awt/java/awt/image/VolatileImage.java b/awt/java/awt/image/VolatileImage.java deleted file mode 100644 index f24e866..0000000 --- a/awt/java/awt/image/VolatileImage.java +++ /dev/null @@ -1,146 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ -/** - * @author Alexey A. Petrenko - * @version $Revision$ - */ - -package java.awt.image; - -import java.awt.Graphics; -import java.awt.Graphics2D; -import java.awt.GraphicsConfiguration; -import java.awt.Image; -import java.awt.ImageCapabilities; -import java.awt.Transparency; - -/** - * The VolatileImage abstract class represents an image which can lose its - * contents at any point. VolatileImage objects are device specific. This class - * provides methods for checking if operation of this image are compatible for - * the GraphicsConfiguration. - * - * @since Android 1.0 - */ -public abstract class VolatileImage extends Image -// Volatile image implements Transparency since 1.5 - implements Transparency { - - /** - * The Constant IMAGE_INCOMPATIBLE indicates that this VolatileImage is not - * applicable for the GraphicsConfiguration object. - */ - public static final int IMAGE_INCOMPATIBLE = 2; - - /** - * The Constant IMAGE_OK indicates that VolatileImage is ready for using. - */ - public static final int IMAGE_OK = 0; - - /** - * The Constant IMAGE_RESTORED indicates that VolatileImage will be ready to - * use after restoring. - */ - public static final int IMAGE_RESTORED = 1; - - /** - * The transparency value of this image. - */ - protected int transparency = OPAQUE; - - /** - * Instantiates a new VolatileImage object. - */ - public VolatileImage() { - super(); - } - - /** - * Returns true if rendering data is lost during validating. This method - * should be called after rendering operation of image. - * - * @return true, if contents lost during validating, false otherwise. - */ - - public abstract boolean contentsLost(); - - /** - * Creates a Graphics2D used to draw in this VolatileImage. - * - * @return the Graphics2D object. - */ - public abstract Graphics2D createGraphics(); - - /** - * Gets the ImageCapabilities of this VolatileImage. - * - * @return the ImageCapabilities of this VolatileImage. - */ - public abstract ImageCapabilities getCapabilities(); - - /** - * Gets the height of this VolatileImage. - * - * @return the height of this VolatileImage. - */ - public abstract int getHeight(); - - /** - * Gets a BufferedImage representation of current VolatileImage that won't - * be affected by any changes to this VolatileImage. - * - * @return a BufferedImage representation of current VolatileImage. - */ - public abstract BufferedImage getSnapshot(); - - /** - * Gets the width of this VolatileImage. - * - * @return the width of this VolatileImage. - */ - public abstract int getWidth(); - - /** - * Validates the drawing surface of the image if the surface had been lost - * and if the specified GraphicsConfiguration object is applicable to this - * image. - * - * @param gc - * the GraphicsConfiguration object. - * @return one of the image status constants: IMAGE_OK, IMAGE_RESTORED or - * IMAGE_INCOMPATIBLE. - */ - public abstract int validate(GraphicsConfiguration gc); - - @Override - public void flush() { - } - - @Override - public Graphics getGraphics() { - return createGraphics(); - } - - @Override - public ImageProducer getSource() { - return getSnapshot().getSource(); - } - - public int getTransparency() { - return transparency; - } -} |