diff options
Diffstat (limited to 'libjava/gnu/java/awt/peer/gtk/GtkImage.java')
-rw-r--r-- | libjava/gnu/java/awt/peer/gtk/GtkImage.java | 286 |
1 files changed, 0 insertions, 286 deletions
diff --git a/libjava/gnu/java/awt/peer/gtk/GtkImage.java b/libjava/gnu/java/awt/peer/gtk/GtkImage.java deleted file mode 100644 index f0c8bf410ef..00000000000 --- a/libjava/gnu/java/awt/peer/gtk/GtkImage.java +++ /dev/null @@ -1,286 +0,0 @@ -/* GtkImage.java - Copyright (C) 1999, 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 gnu.java.awt.peer.gtk; - -import java.awt.*; -import java.util.*; -import java.awt.image.*; - -public class GtkImage extends Image implements ImageConsumer -{ - int width = -1, height = -1; - Hashtable props = null; - boolean isLoaded = false; - boolean isCacheable = true; - boolean loading = false; - - Vector widthObservers = new Vector (); - Vector heightObservers = new Vector (); - Vector propertyObservers = new Vector (); - - ImageProducer source; - Graphics g; - - /* Variables in which we stored cached data, if possible. - - An image is cached if the following properties are true: - 1. The ColorModel passed into setColorModel is the same ColorModel - passed to all invocations of setPixels. - 2. The image contains a single frame. - - */ - int[] pixelCache; - ColorModel model; - - public - GtkImage (ImageProducer producer, Graphics g) - { - source = producer; - this.g = g; - - source.addConsumer (this); - } - - public synchronized int - getWidth (ImageObserver observer) - { - if (width == -1) - widthObservers.addElement (observer); - - return width; - } - - public synchronized int - getHeight (ImageObserver observer) - { - if (height == -1) - heightObservers.addElement (observer); - - return height; - } - - public ImageProducer - getSource () - { - return source; - } - - public Graphics - getGraphics () - { - return g; - } - - public synchronized Object - getProperty (String name, ImageObserver observer) - { - if (props == null) - { - propertyObservers.addElement (observer); - return null; - } - - Object value = props.get (name); - return (value == null) ? UndefinedProperty : value; - } - - public synchronized void - flush () - { - isLoaded = false; - isCacheable = true; - width = height = -1; - props = null; - pixelCache = null; - model = null; - - source.removeConsumer (this); - source.addConsumer (this); - } - - public boolean - isLoaded () - { - return isLoaded; - } - - /* ImageConsumer methods */ - - public synchronized void - setDimensions (int width, int height) - { - pixelCache = new int[width*height]; - - this.width = width; - this.height = height; - - for (int i = 0; i < widthObservers.size (); i++) - { - ImageObserver io = (ImageObserver) widthObservers.elementAt (i); - io.imageUpdate (this, ImageObserver.WIDTH, -1, -1, width, height); - } - - for (int i = 0; i < heightObservers.size (); i++) - { - ImageObserver io = (ImageObserver) heightObservers.elementAt (i); - io.imageUpdate (this, ImageObserver.HEIGHT, -1, -1, width, height); - } - } - - public synchronized void - setProperties (Hashtable props) - { - this.props = props; - - for (int i = 0; i < propertyObservers.size (); i++) - { - ImageObserver io = (ImageObserver) propertyObservers.elementAt (i); - io.imageUpdate (this, ImageObserver.PROPERTIES, -1, -1, width, height); - } - } - - public synchronized void - setColorModel (ColorModel model) - { - if (this.model == null || this.model == model) - this.model = model; - else - isCacheable = false; - } - - public synchronized void - setHints (int flags) - { - } - - public synchronized void - setPixels (int x, int y, int width, int height, ColorModel cm, byte[] pixels, - int offset, int scansize) - { - setPixels (x, y, width, height, cm, convertPixels (pixels), offset, - scansize); - } - - public synchronized void - setPixels (int x, int y, int width, int height, ColorModel cm, int[] pixels, - int offset, int scansize) - { - loading = true; - - if (!isCacheable) - return; - - if (cm != model || pixelCache == null) - { - isCacheable = false; - return; - } - - if (scansize == width) - { - System.arraycopy (pixels, offset, - pixelCache, y * this.width + x, - pixels.length - offset); - } - else // skip over scansize-width for each row - { - for (int i = 0; i < height; i++) - System.arraycopy (pixels, offset + (i * scansize), - pixelCache, (y + i) * this.width + x, - width); - } - } - - public synchronized void - imageComplete (int status) - { - if (status == ImageConsumer.STATICIMAGEDONE && isCacheable) - isLoaded = true; - - if (status == ImageConsumer.SINGLEFRAMEDONE) - isCacheable = false; - - source.removeConsumer (this); - } - - public synchronized void - startProduction (GtkImagePainter painter) - { - if (isLoaded) - { - painter.setDimensions (width, height); - painter.setPixels (0, 0, width, height, model, pixelCache, 0, width); - } - else - { - source.startProduction (painter); - source.removeConsumer (painter); - } - } - - private int[] - convertPixels (byte[] pixels) - { - int ret[] = new int[pixels.length]; - - for (int i = 0; i < pixels.length; i++) - ret[i] = pixels[i]; - - return ret; - } - - synchronized int - checkImage () - { - int bits = 0; - - if (width != -1) - bits |= ImageObserver.WIDTH; - if (height != -1) - bits |= ImageObserver.HEIGHT; - if (props != null) - bits |= ImageObserver.PROPERTIES; - if (loading) - bits |= ImageObserver.SOMEBITS; - if (isLoaded) - bits |= ImageObserver.ALLBITS; - - return bits; - } -} |