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author | Andrew Haley <aph@redhat.com> | 2016-09-30 16:24:48 +0000 |
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committer | Andrew Haley <aph@gcc.gnu.org> | 2016-09-30 16:24:48 +0000 |
commit | 07b78716af6a9d7c9fd1e94d9baf94a52c873947 (patch) | |
tree | 3f22b3241c513ad168c8353805614ae1249410f4 /libjava/classpath/java/awt/image/VolatileImage.java | |
parent | eae993948bae8b788c53772bcb9217c063716f93 (diff) | |
download | gcc-07b78716af6a9d7c9fd1e94d9baf94a52c873947.zip gcc-07b78716af6a9d7c9fd1e94d9baf94a52c873947.tar.gz gcc-07b78716af6a9d7c9fd1e94d9baf94a52c873947.tar.bz2 |
Makefile.def: Remove libjava.
2016-09-30 Andrew Haley <aph@redhat.com>
* Makefile.def: Remove libjava.
* Makefile.tpl: Likewise.
* Makefile.in: Regenerate.
* configure.ac: Likewise.
* configure: Likewise.
* gcc/java: Remove.
* libjava: Likewise.
From-SVN: r240662
Diffstat (limited to 'libjava/classpath/java/awt/image/VolatileImage.java')
-rw-r--r-- | libjava/classpath/java/awt/image/VolatileImage.java | 253 |
1 files changed, 0 insertions, 253 deletions
diff --git a/libjava/classpath/java/awt/image/VolatileImage.java b/libjava/classpath/java/awt/image/VolatileImage.java deleted file mode 100644 index 3086541..0000000 --- a/libjava/classpath/java/awt/image/VolatileImage.java +++ /dev/null @@ -1,253 +0,0 @@ -/* VolatileImage.java -- a hardware-accelerated image buffer - Copyright (C) 2002, 2005 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., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 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.image; - -import java.awt.Graphics; -import java.awt.Graphics2D; -import java.awt.GraphicsConfiguration; -import java.awt.Image; -import java.awt.Transparency; -import java.awt.ImageCapabilities; - -/** - * VolatileImage represents a hardware-accelerated graphics buffer. - * The native graphics system may free or damage the resources - * occupied by a VolatileImage at any time. As such, one must - * frequently check the "validity" of the image buffer's resources. - * - * A volatile image's "validity" depends on multiple factors. Its - * resources may have become unavailble in which case you must - * reallocate them. If you move the image from one output device to - * another, you may need to recreate the image's resources if the new - * output device's capabilities don't match the old one's. Finally, - * if the contents of the image's buffer have been damaged you must - * re-render the image. - * - * VolatileImages should always be created using either - * Component.createVolatileImage or - * GraphicsConfiguration.createCompatibleVolatileImage. - */ -public abstract class VolatileImage extends Image - implements Transparency -{ - /** - * One of validate's possible return values. Indicates that the - * image buffer matches its graphics configuration's capabilities - * and that its resources are initialized and ready to be drawn - * into. Also implies that any existing image rendered to the - * buffer is intact and need not be re-rendered. - */ - public static final int IMAGE_OK = 0; - - /** - * One of validate's possible return values. Indicates that the - * image buffer has been restored, meaning that it is valid and - * ready-to-use but that its previous contents have been lost. This - * return value implies that the image needs to be re-rendered. - */ - public static final int IMAGE_RESTORED = 1; - - /** - * One of validate's possible return values. Indicates that the - * image buffer type is unsupported by the current graphics - * configuration. The graphics configuration may have changed, for - * example if the image moved from one output device to another. - * This return value implies that the image buffer's resources - * should be re-acquired. - */ - public static final int IMAGE_INCOMPATIBLE = 2; - - /** - * This image's transparency type. One of Transparency.BITMASK, - * Transparency.OPAQUE or Transparency.TRANSLUCENT. - * - * @since 1.5 - */ - protected int transparency; - - /** - * Default constructor. VolatileImages should not be created - * directly. Rather, you should use Component.createVolatileImage - * or GraphicsConfiguration.createCompatibleVolatileImage. - */ - public VolatileImage() - { - } - - /** - * Returns an image representing the current state of the volatile - * image buffer. The returned image is static meaning that it is - * not updated after being created. It is a snapshot of the - * volatile image buffer at the time getSnapshot is called. - * - * This method, which reads pixels from the volatile image buffer, - * may be less-performant than methods that write pixels since - * VolatileImages are typically optimized for writing. - * - * @return a BufferedImage representing this VolatileImage - */ - public abstract BufferedImage getSnapshot(); - - /** - * Returns the width of this image buffer. - * - * @return the width of this VolatileImage - */ - public abstract int getWidth(); - - /** - * Returns the height of this image buffer. - * - * @return the height of this VolatileImage - */ - public abstract int getHeight(); - - /** - * Calling this method is equivalent to calling - * getSnapshot().getSource(). The ImageProducer produces pixels - * from the BufferedImage snapshot and not from the VolatileImage - * itself. Thus, changes to the VolatileImage that occur after this - * ImageProducer has been retrieved will not be reflected in the - * produced pixels. - * - * This method, which reads pixels from the volatile image buffer, - * may be less-performant than methods that write pixels since - * VolatileImages are typically optimized for writing. - * - * @return an ImageProducer for a static BufferedImage snapshot of - * this image buffer - */ - public ImageProducer getSource() - { - return getSnapshot().getSource(); - } - - /** - * Releases the system resources taken by this image. - */ - public void flush() - { - } - - /** - * Returns a Graphics2D object that can be used to draw onto this - * image. This method is present for backwards-compatibility. It - * simply returns the result of createGraphics. - * - * @return a Graphics2D object that can be used to draw onto this - * image - */ - public Graphics getGraphics() - { - return createGraphics(); - } - - /** - * Returns a Graphics2D object that can be used to draw onto this - * image. - * - * @return a Graphics2D object that can be used to draw onto this - * image - */ - public abstract Graphics2D createGraphics(); - - /** - * Validates and restores this image. If the image buffer has - * become unavailable for further use since the last call to - * validate, validate will allocate a new image buffer. The image - * is also "validated" against the GraphicsConfiguration parameter. - * - * "Validating" the image means checking that the capabilities it - * requires of the output device are indeed supported by the given - * output device. If the image's characteristics, which can be - * highly output device-specific, are not supported by the graphics - * configuration, then IMAGE_INCOMPATIBLE will be returned. This - * can happen, for example, if this image was created on one output - * device, then validated against a different output device with - * different capabilities. Calling validate with a NULL gc argument - * causes validate to skip the validation test. - * - * @param gc graphics configuration against which to validate or - * NULL - * - * @return a code indicating the result of validation. One of: - * <ul> - * <li><code>IMAGE_OK</code> if the image did not need to be - * validated and didn't need to be restored</li> - * <li><code>IMAGE_RESTORED</code> if the image may need to be - * re-rendered.</li> - * <li><code>IMAGE_INCOMPATIBLE</code> if this image's - * requirements are not fulfilled by the graphics configuration - * parameter. This implies that you need to create a new - * VolatileImage for the different GraphicsConfiguration or - * Component. This return value implies nothing about whether the - * image is valid or needs to be re-rendered.</li> - * </ul> - */ - public abstract int validate(GraphicsConfiguration gc); - - /** - * Returns true if the contents of the image buffer have been - * damaged or if the image buffer's resources have been reclaimed by - * the graphics system. You should call this method after a series - * of rendering operations to or from the image, to see if the image - * buffer needs to be revalidated or the image re-rendered. - * - * @return true if the validate should be called, false otherwise - */ - public abstract boolean contentsLost(); - - /** - * Returns the capabilities of this image buffer. - * - * @return the capabilities of this image buffer - */ - public abstract ImageCapabilities getCapabilities(); - - /** - * Returns the transparency type of this image. - * - * @return Transparency.OPAQUE, Transparency.BITMASK or - * Transparency.TRANSLUCENT - */ - public int getTransparency() - { - return transparency; - } -} |