703 lines · 22.5 KB · Java
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        int[] pixels = image != null? new int[w * h] : null;         if (image != null) {            try {                PixelGrabber pg = new PixelGrabber(image, 0, 0, w, h, pixels, 0, w);                pg.grabPixels();                if ((pg.getStatus() & ImageObserver.ABORT) != 0) {                    throw new IOException("failed to load image contents");                }            }            catch (InterruptedException e) {                throw new IOException("image load interrupted");            }        }         s.writeInt(w);        s.writeInt(h);        s.writeObject(pixels);    }     /**     * --- Accessibility Support ---     */     private AccessibleImageIcon accessibleContext = null;     /**     * Gets the AccessibleContext associated with this ImageIcon.     * For image icons, the AccessibleContext takes the form of an     * AccessibleImageIcon.     * A new AccessibleImageIcon instance is created if necessary.     *     * @return an AccessibleImageIcon that serves as the     *         AccessibleContext of this ImageIcon     * @beaninfo     *       expert: true     *  description: The AccessibleContext associated with this ImageIcon.     * @since 1.3     */    public AccessibleContext getAccessibleContext() {        if (accessibleContext == null) {            accessibleContext = new AccessibleImageIcon();        }        return accessibleContext;    }     /**     * This class implements accessibility support for the     * <code>ImageIcon</code> class.  It provides an implementation of the     * Java Accessibility API appropriate to image icon user-interface     * elements.     * <p>     * <strong>Warning:</strong>     * Serialized objects of this class will not be compatible with     * future Swing releases. The current serialization support is     * appropriate for short term storage or RMI between applications running     * the same version of Swing.  As of 1.4, support for long term storage     * of all JavaBeans<sup><font size="-2">TM</font></sup>     * has been added to the <code>java.beans</code> package.     * Please see {@link java.beans.XMLEncoder}.     * @since 1.3     */    protected class AccessibleImageIcon extends AccessibleContext        implements AccessibleIcon, Serializable {         /*         * AccessibleContest implementation -----------------         */         /**         * Gets the role of this object.         *         * @return an instance of AccessibleRole describing the role of the         * object         * @see AccessibleRole         */        public AccessibleRole getAccessibleRole() {            return AccessibleRole.ICON;        }         /**         * Gets the state of this object.         *         * @return an instance of AccessibleStateSet containing the current         * state set of the object         * @see AccessibleState         */        public AccessibleStateSet getAccessibleStateSet() {            return null;        }         /**         * Gets the Accessible parent of this object.  If the parent of this         * object implements Accessible, this method should simply return         * getParent().         *         * @return the Accessible parent of this object -- can be null if this         * object does not have an Accessible parent         */        public Accessible getAccessibleParent() {            return null;        }         /**         * Gets the index of this object in its accessible parent.         *         * @return the index of this object in its parent; -1 if this         * object does not have an accessible parent.         * @see #getAccessibleParent         */        public int getAccessibleIndexInParent() {            return -1;        }         /**         * Returns the number of accessible children in the object.  If all         * of the children of this object implement Accessible, than this         * method should return the number of children of this object.         *         * @return the number of accessible children in the object.         */        public int getAccessibleChildrenCount() {            return 0;        }         /**         * Returns the nth Accessible child of the object.         *         * @param i zero-based index of child         * @return the nth Accessible child of the object         */        public Accessible getAccessibleChild(int i) {            return null;        }         /**         * Returns the locale of this object.         *         * @return the locale of this object         */        public Locale getLocale() throws IllegalComponentStateException {            return null;        }         /*         * AccessibleIcon implementation -----------------         */         /**         * Gets the description of the icon.  This is meant to be a brief         * textual description of the object.  For example, it might be         * presented to a blind user to give an indication of the purpose         * of the icon.         *         * @return the description of the icon         */        public String getAccessibleIconDescription() {            return ImageIcon.this.getDescription();        }         /**         * Sets the description of the icon.  This is meant to be a brief         * textual description of the object.  For example, it might be         * presented to a blind user to give an indication of the purpose         * of the icon.         *         * @param description the description of the icon         */        public void setAccessibleIconDescription(String description) {            ImageIcon.this.setDescription(description);        }         /**         * Gets the height of the icon.         *         * @return the height of the icon         */        public int getAccessibleIconHeight() {            return ImageIcon.this.height;        }         /**         * Gets the width of the icon.         *         * @return the width of the icon         */        public int getAccessibleIconWidth() {            return ImageIcon.this.width;        }         private void readObject(ObjectInputStream s)            throws ClassNotFoundException, IOException        {            s.defaultReadObject();        }         private void writeObject(ObjectOutputStream s)            throws IOException        {            s.defaultWriteObject();        }    }  // AccessibleImageIcon}

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