1/* 2 * Copyright (c) 2002, 2013, 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#include "jni_util.h" 26#include "Disposer.h" 27 28static jmethodID addRecordMID = NULL; 29static jclass dispClass = NULL; 30 31/* 32 * Class: sun_java2d_Disposer 33 * Method: initIDs 34 * Signature: ()V 35 */ 36JNIEXPORT void JNICALL 37Java_sun_java2d_Disposer_initIDs(JNIEnv *env, jclass disposerClass) 38{ 39 addRecordMID = (*env)->GetStaticMethodID(env, disposerClass, "addRecord", 40 "(Ljava/lang/Object;JJ)V"); 41 if (addRecordMID != 0) { 42 dispClass = (*env)->NewGlobalRef(env, disposerClass); 43 } 44} 45 46JNIEXPORT void JNICALL 47Disposer_AddRecord(JNIEnv *env, jobject obj, GeneralDisposeFunc disposer, jlong pData) { 48 49 if (dispClass == NULL) { 50 /* Needed to initialize the Disposer class as it may be not yet referenced */ 51 jclass clazz = (*env)->FindClass(env, "sun/java2d/Disposer"); 52 if ((*env)->ExceptionCheck(env)) { 53 // If there's exception pending, we'll just return. 54 return; 55 } 56 } 57 58 (*env)->CallStaticVoidMethod(env, dispClass, addRecordMID, 59 obj, ptr_to_jlong(disposer), pData); 60} 61 62/* 63 * Class: sun_java2d_DefaultDisposerRecord 64 * Method: invokeNativeDispose 65 * Signature: (JJ)V 66 */ 67JNIEXPORT void JNICALL 68Java_sun_java2d_DefaultDisposerRecord_invokeNativeDispose(JNIEnv *env, jclass dispClass, 69 jlong disposer, jlong pData) 70{ 71 if (disposer != 0 && pData != 0) { 72 GeneralDisposeFunc *disposeMethod = (GeneralDisposeFunc*)(jlong_to_ptr(disposer)); 73 disposeMethod(env, pData); 74 } 75} 76