1/*
2 * Copyright (c) 1998, 2000, 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
23 * questions.
24 */
25
26#ifndef _Included_SpanIterator
27#define _Included_SpanIterator
28
29/*
30 * This structure defines the methods used to communicate with a
31 * Java SpanIterator at the native level.
32 */
33typedef struct {
34 /**
35 * Init and return native data
36 */
37 void *(*open)(JNIEnv *env, jobject iterator);
38
39 /**
40 * End iteration, dispose data
41 */
42 void (*close)(JNIEnv *env, void *clientData);
43
44 /**
45 * See SpanIterator.getPathBox()
46 */
47 void (*getPathBox)(JNIEnv *env, void *clientData, jint pathbox[]);
48
49 /**
50 * See ShapeSpanIterator.ShapeSIIntersectClipBox
51 */
52 void (*intersectClipBox)(JNIEnv *env, void *clientData,
53 jint lox, jint loy, jint hix, jint hiy);
54
55 /**
56 * See SpanIterator.nextSpan()
57 */
58 jboolean (*nextSpan)(void *clientData, jint spanbox[]);
59
60 /**
61 * See SpanIterator.skipDownTo()
62 */
63 void (*skipDownTo)(void *clientData, jint y);
64} SpanIteratorFuncs;
65
66#endif
67