1 /*
2 * Copyright (c) 1997, 2015, 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
1132
1133 /**
1134 * Given a point in local coordinates, return the zero-based index
1135 * of the character under that Point. If the point is invalid,
1136 * this method returns -1.
1137 *
1138 * @param p the Point in local coordinates
1139 * @return the zero-based index of the character under Point p; if
1140 * Point is invalid returns -1.
1141 * @since 1.3
1142 */
1143 public int getIndexAtPoint(Point p) {
1144 View view = (View) JLabel.this.getClientProperty("html");
1145 if (view != null) {
1146 Rectangle r = getTextRectangle();
1147 if (r == null) {
1148 return -1;
1149 }
1150 Rectangle2D.Float shape =
1151 new Rectangle2D.Float(r.x, r.y, r.width, r.height);
1152 Position.Bias bias[] = new Position.Bias[1];
1153 return view.viewToModel(p.x, p.y, shape, bias);
1154 } else {
1155 return -1;
1156 }
1157 }
1158
1159 /**
1160 * Returns the bounding box of the character at the given
1161 * index in the string. The bounds are returned in local
1162 * coordinates. If the index is invalid, <code>null</code> is returned.
1163 *
1164 * @param i the index into the String
1165 * @return the screen coordinates of the character's bounding box.
1166 * If the index is invalid, <code>null</code> is returned.
1167 * @since 1.3
1168 */
1169 public Rectangle getCharacterBounds(int i) {
1170 View view = (View) JLabel.this.getClientProperty("html");
1171 if (view != null) {
1172 Rectangle r = getTextRectangle();
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1 /*
2 * Copyright (c) 1997, 2018, 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
1132
1133 /**
1134 * Given a point in local coordinates, return the zero-based index
1135 * of the character under that Point. If the point is invalid,
1136 * this method returns -1.
1137 *
1138 * @param p the Point in local coordinates
1139 * @return the zero-based index of the character under Point p; if
1140 * Point is invalid returns -1.
1141 * @since 1.3
1142 */
1143 public int getIndexAtPoint(Point p) {
1144 View view = (View) JLabel.this.getClientProperty("html");
1145 if (view != null) {
1146 Rectangle r = getTextRectangle();
1147 if (r == null) {
1148 return -1;
1149 }
1150 Rectangle2D.Float shape =
1151 new Rectangle2D.Float(r.x, r.y, r.width, r.height);
1152 Position.Bias[] bias = new Position.Bias[1];
1153 return view.viewToModel(p.x, p.y, shape, bias);
1154 } else {
1155 return -1;
1156 }
1157 }
1158
1159 /**
1160 * Returns the bounding box of the character at the given
1161 * index in the string. The bounds are returned in local
1162 * coordinates. If the index is invalid, <code>null</code> is returned.
1163 *
1164 * @param i the index into the String
1165 * @return the screen coordinates of the character's bounding box.
1166 * If the index is invalid, <code>null</code> is returned.
1167 * @since 1.3
1168 */
1169 public Rectangle getCharacterBounds(int i) {
1170 View view = (View) JLabel.this.getClientProperty("html");
1171 if (view != null) {
1172 Rectangle r = getTextRectangle();
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