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* Makefile.in: Rebuilt. * Makefile.am (awt_java_source_files): Added new files. * java/awt/image/AreaAveragingScaleFilter.java: New file from Classpath. * java/awt/image/CropImageFilter.java: New file from Classpath. * java/awt/image/FilteredImageSource.java: New file from Classpath. * java/awt/image/ImageFilter.java: New file from Classpath. * java/awt/image/MemoryImageSource.java: New file from Classpath. * java/awt/image/PixelGrabber.java: New file from Classpath. * java/awt/image/RGBImageFilter.java: New file from Classpath. * java/awt/image/ReplicateScaleFilter.java: New file from Classpath. * java/awt/image/ImageProducer.java: Replaced with Classpath version. * java/awt/image/ImageObserver.java: Replaced with Classpath version. * java/awt/image/ImageConsumer.java: Replaced with Classpath version. * java/awt/GridBagConstraints.java (clone): Catch CloneNotSupportedException. From-SVN: r49169
187 lines
6.1 KiB
Java
187 lines
6.1 KiB
Java
/* ImageConsumer.java -- Java interface for image consumption
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Copyright (C) 1999 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package java.awt.image;
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import java.util.Hashtable;
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/**
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* An object implementing the <code>ImageProducer</code> interface can
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* use objects implementing this interface to deliver the image data.
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*
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* @author C. Brian Jones (cbj@gnu.org)
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*/
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public interface ImageConsumer
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{
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/**
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* The pixel order may be random. This should be
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* the default assumption of the <code>ImageConsumer</code>.
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*
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* @see #setHints
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*/
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public static final int RANDOMPIXELORDER = 1;
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/**
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* The pixel order is top-down, left-right.
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*
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* @see #setHints
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*/
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public static final int TOPDOWNLEFTRIGHT = 2;
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/**
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* The pixel order is in multiples of complete scanlines.
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*
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* @see #setHints
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*/
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public static final int COMPLETESCANLINES = 4;
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/**
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* The pixels will be delivered in a single pass. There is at
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* most one call to <code>setPixels</code> for any single pixel.
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*
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* @see #setHints
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* @see #setPixels
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*/
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public static final int SINGLEPASS = 8;
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/**
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* The pixels will be delivered with multiple calls to
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* <code>setPixels</code>. The image contains a single frame
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* which ends when <code>imageComplete</code> is called with the
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* <code>STATICIMAGEDONE</code> flag. If the image is constantly
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* changing such as with video then the end of each frame is
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* marked by a similar call to <code>imageComplete</code> with the
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* <code>SINGLEFRAMEDONE</code> flag.
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*
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* @see #setHints
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* @see #imageComplete
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*/
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public static final int SINGLEFRAME = 16;
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/**
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* Indicates an error occurred while producing an image.
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*
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* @see #imageComplete
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*/
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public static final int IMAGEERROR = 1;
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/**
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* A single frame is complete but more will follow.
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*
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* @see #imageComplete
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*/
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public static final int SINGLEFRAMEDONE = 2;
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/**
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* The image is complete and no more pixels or frames will follow.
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*
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* @see #imageComplete
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*/
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public static final int STATICIMAGEDONE = 3;
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/**
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* Production of the image has been aborted.
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*
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* @see #imageComplete
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*/
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public static final int IMAGEABORTED = 4;
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/**
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* An <code>ImageProducer</code> indicates the size of the image
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* being produced using this method.
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*
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* @param width the width of the image
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* @param height the height of the image
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*/
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public abstract void setDimensions(int width, int height);
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/**
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* An <code>ImageProducer</code> can set a list of properties
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* associated with this image by using this method.
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*
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* @param props the list of properties associated with this image
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*/
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public abstract void setProperties(Hashtable props);
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/**
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* This <code>ColorModel</code> should indicate the model used by
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* the majority of calls to <code>setPixels</code>. Each call to
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* <code>setPixels</code> could however indicate a different
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* <code>ColorModel</code>.
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*
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* @param model the color model to be used most often by setPixels
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* @see ColorModel
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*/
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public abstract void setColorModel(ColorModel model);
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/**
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* The <code>ImageProducer</code> should call this method with a
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* bit mask of hints from any of <code>RANDOMPIXELORDER</code>,
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* <code>TOPDOWNLEFTRIGHT</code>, <code>COMPLETESCANLINES</code>,
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* <code>SINGLEPASS</code>, <code>SINGLEFRAME</code>.
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*
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* @param flags a bit mask of hints
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*/
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public abstract void setHints(int flags);
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/**
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* This function delivers a rectangle of pixels where any
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* pixel(m,n) is stored in the array as a <code>byte</code> at
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* index (n * scansize + m + offset).
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*/
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public abstract void setPixels(int x, int y, int w, int h,
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ColorModel model, byte[] pixels, int offset, int scansize);
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/**
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* This function delivers a rectangle of pixels where any
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* pixel(m,n) is stored in the array as an <code>int</code> at
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* index (n * scansize + m + offset).
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*/
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public abstract void setPixels(int x, int y, int w, int h,
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ColorModel model, int[] pixels, int offset, int scansize);
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/**
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* The <code>ImageProducer</code> calls this method to indicate a
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* single frame or the entire image is complete. The method is
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* also used to indicate an error in loading or producing the
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* image.
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*/
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public abstract void imageComplete(int status);
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}
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