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
23 * questions.
24 */
25
26 package java.awt.image;
27
28 import java.awt.Image;
29 import java.awt.image.ImageFilter;
30 import java.awt.image.ImageConsumer;
31 import java.awt.image.ImageProducer;
32 import java.util.Hashtable;
33 import java.awt.image.ColorModel;
34
35 /**
36 * This class is an implementation of the ImageProducer interface which
37 * takes an existing image and a filter object and uses them to produce
38 * image data for a new filtered version of the original image.
39 * Here is an example which filters an image by swapping the red and
40 * blue components:
41 * <pre>
42 *
43 * Image src = getImage("doc:///demo/images/duke/T1.gif");
44 * ImageFilter colorfilter = new RedBlueSwapFilter();
45 * Image img = createImage(new FilteredImageSource(src.getSource(),
46 * colorfilter));
47 *
48 * </pre>
49 *
50 * @see ImageProducer
51 *
52 * @author Jim Graham
53 */
189 * handed to the ImageFilter for further processing, since the
190 * ability to preserve the pixel ordering depends on the filter.
191 *
192 * <p>
193 * This method is public as a side effect
194 * of this class implementing
195 * the {@code ImageProducer} interface.
196 * It should not be called from user code,
197 * and its behavior if called from user code is unspecified.
198 *
199 * @see ImageConsumer
200 */
201 public void requestTopDownLeftRightResend(ImageConsumer ic) {
202 if (proxies != null) {
203 ImageFilter imgf = proxies.get(ic);
204 if (imgf != null) {
205 imgf.resendTopDownLeftRight(src);
206 }
207 }
208 }
209 }
|
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
23 * questions.
24 */
25
26 package java.awt.image;
27
28 import java.awt.Image;
29 import java.awt.image.ImageFilter;
30 import java.awt.image.ImageConsumer;
31 import java.awt.image.ImageProducer;
32 import java.util.Hashtable;
33 import java.awt.image.ColorModel;
34 import java.util.Arrays;
35 import java.util.Collections;
36 import java.util.LinkedList;
37 import java.util.List;
38 import java.util.stream.Collectors;
39 import sun.awt.image.MultiResolutionToolkitImage;
40
41 /**
42 * This class is an implementation of the ImageProducer interface which
43 * takes an existing image and a filter object and uses them to produce
44 * image data for a new filtered version of the original image.
45 * Here is an example which filters an image by swapping the red and
46 * blue components:
47 * <pre>
48 *
49 * Image src = getImage("doc:///demo/images/duke/T1.gif");
50 * ImageFilter colorfilter = new RedBlueSwapFilter();
51 * Image img = createImage(new FilteredImageSource(src.getSource(),
52 * colorfilter));
53 *
54 * </pre>
55 *
56 * @see ImageProducer
57 *
58 * @author Jim Graham
59 */
195 * handed to the ImageFilter for further processing, since the
196 * ability to preserve the pixel ordering depends on the filter.
197 *
198 * <p>
199 * This method is public as a side effect
200 * of this class implementing
201 * the {@code ImageProducer} interface.
202 * It should not be called from user code,
203 * and its behavior if called from user code is unspecified.
204 *
205 * @see ImageConsumer
206 */
207 public void requestTopDownLeftRightResend(ImageConsumer ic) {
208 if (proxies != null) {
209 ImageFilter imgf = proxies.get(ic);
210 if (imgf != null) {
211 imgf.resendTopDownLeftRight(src);
212 }
213 }
214 }
215
216 @Override
217 public boolean isMultiResolutionImageProducer() {
218 return src.isMultiResolutionImageProducer();
219 }
220
221 @Override
222 public List<ResolutionVariantItem<ImageProducer>> getResolutionVariantItems() {
223 return src.getResolutionVariantItems().stream().map(
224 (rvItem) -> new ResolutionVariantItem<ImageProducer>(
225 new FilteredImageSource(rvItem.getValue(),
226 filter.getScaledFilterInstance(
227 rvItem.getScaleX(),
228 rvItem.getScaleY())),
229 rvItem.getScaleX(), rvItem.getScaleY()))
230 .collect(Collectors.toList());
231 }
232 }
|