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 */ 33 typedef 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