1 /*
2 * Copyright (c) 1995, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
207 * An <code>ImageFilter</code> subclass might override this method or not,
208 * depending on if and how it can send data in TDLR order.
209 * Three possibilities exist:
210 *
211 * <ul>
212 * <li>
213 * Do not override this method.
214 * This makes the subclass use the default implementation,
215 * which is to
216 * forward the request
217 * to the indicated <code>ImageProducer</code>
218 * using this filter as the requesting <code>ImageConsumer</code>.
219 * This behavior
220 * is appropriate if the filter can determine
221 * that it will forward the pixels
222 * in TDLR order if its upstream producer object
223 * sends them in TDLR order.
224 *
225 * <li>
226 * Override the method to simply send the data.
227 * This is appropriate if the filter can handle the request itself —
228 * for example,
229 * if the generated pixels have been saved in some sort of buffer.
230 *
231 * <li>
232 * Override the method to do nothing.
233 * This is appropriate
234 * if the filter cannot produce filtered data in TDLR order.
235 * </ul>
236 *
237 * @see ImageProducer#requestTopDownLeftRightResend
238 * @param ip the ImageProducer that is feeding this instance of
239 * the filter - also the ImageProducer that the request should be
240 * forwarded to if necessary
241 * @exception NullPointerException if <code>ip</code> is null
242 */
243 public void resendTopDownLeftRight(ImageProducer ip) {
244 ip.requestTopDownLeftRightResend(this);
245 }
246
247 /**
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1 /*
2 * Copyright (c) 1995, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
207 * An <code>ImageFilter</code> subclass might override this method or not,
208 * depending on if and how it can send data in TDLR order.
209 * Three possibilities exist:
210 *
211 * <ul>
212 * <li>
213 * Do not override this method.
214 * This makes the subclass use the default implementation,
215 * which is to
216 * forward the request
217 * to the indicated <code>ImageProducer</code>
218 * using this filter as the requesting <code>ImageConsumer</code>.
219 * This behavior
220 * is appropriate if the filter can determine
221 * that it will forward the pixels
222 * in TDLR order if its upstream producer object
223 * sends them in TDLR order.
224 *
225 * <li>
226 * Override the method to simply send the data.
227 * This is appropriate if the filter can handle the request itself —
228 * for example,
229 * if the generated pixels have been saved in some sort of buffer.
230 *
231 * <li>
232 * Override the method to do nothing.
233 * This is appropriate
234 * if the filter cannot produce filtered data in TDLR order.
235 * </ul>
236 *
237 * @see ImageProducer#requestTopDownLeftRightResend
238 * @param ip the ImageProducer that is feeding this instance of
239 * the filter - also the ImageProducer that the request should be
240 * forwarded to if necessary
241 * @exception NullPointerException if <code>ip</code> is null
242 */
243 public void resendTopDownLeftRight(ImageProducer ip) {
244 ip.requestTopDownLeftRightResend(this);
245 }
246
247 /**
|