1 /*
2 * Copyright (c) 2007, 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
84 * no coverage in any of its pixels, or it may be 0xff to indicate
85 * that the current tile is completely covered by the path, or any
86 * other value to indicate non-trivial coverage cases.
87 * @return 0x00 for no coverage, 0xff for total coverage, or any other
88 * value for partial coverage of the tile
89 */
90 public int getTypicalAlpha();
91
92 /**
93 * Skips the current tile and moves on to the next tile.
94 * Either this method, or the getAlpha() method should be called
95 * once per tile, but not both.
96 */
97 public void nextTile();
98
99 /**
100 * Gets the alpha coverage values for the current tile.
101 * Either this method, or the nextTile() method should be called
102 * once per tile, but not both.
103 */
104 public void getAlpha(byte tile[], int offset, int rowstride);
105
106 /**
107 * Disposes this tile generator.
108 * No further calls will be made on this instance.
109 */
110 public void dispose();
111 }
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1 /*
2 * Copyright (c) 2007, 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
84 * no coverage in any of its pixels, or it may be 0xff to indicate
85 * that the current tile is completely covered by the path, or any
86 * other value to indicate non-trivial coverage cases.
87 * @return 0x00 for no coverage, 0xff for total coverage, or any other
88 * value for partial coverage of the tile
89 */
90 public int getTypicalAlpha();
91
92 /**
93 * Skips the current tile and moves on to the next tile.
94 * Either this method, or the getAlpha() method should be called
95 * once per tile, but not both.
96 */
97 public void nextTile();
98
99 /**
100 * Gets the alpha coverage values for the current tile.
101 * Either this method, or the nextTile() method should be called
102 * once per tile, but not both.
103 */
104 public void getAlpha(byte[] tile, int offset, int rowstride);
105
106 /**
107 * Disposes this tile generator.
108 * No further calls will be made on this instance.
109 */
110 public void dispose();
111 }
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