1 /* 2 * Copyright (c) 2005, 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 23 * questions. 24 */ 25 26 #include "splashscreen_impl.h" 27 #include <jlong_md.h> 28 #include <jni.h> 29 #include <jni_util.h> 30 #include <sizecalc.h> 31 32 JNIEXPORT jint JNICALL 33 DEF_JNI_OnLoad(JavaVM * vm, void *reserved) 34 { 35 return JNI_VERSION_1_2; 36 } 37 38 /* FIXME: safe_ExceptionOccured, why and how? */ 39 40 /* 41 * Class: java_awt_SplashScreen 42 * Method: _update 43 * Signature: (J[IIIIII)V 44 */ 45 JNIEXPORT void JNICALL 46 Java_java_awt_SplashScreen__1update(JNIEnv * env, jclass thisClass, 47 jlong jsplash, jintArray data, 48 jint x, jint y, jint width, jint height, 49 jint stride) 50 { 51 Splash *splash = (Splash *) jlong_to_ptr(jsplash); 52 int dataSize; 53 54 if (!splash) { 55 return; 56 } 57 SplashLock(splash); 58 dataSize = (*env)->GetArrayLength(env, data); 59 if (splash->overlayData) { 60 free(splash->overlayData); 61 } 62 splash->overlayData = SAFE_SIZE_ARRAY_ALLOC(malloc, dataSize, sizeof(rgbquad_t)); 63 if (splash->overlayData) { 64 /* we need a copy anyway, so we'll be using GetIntArrayRegion */ 65 (*env)->GetIntArrayRegion(env, data, 0, dataSize, 66 (jint *) splash->overlayData); 67 initFormat(&splash->overlayFormat, 0xFF0000, 0xFF00, 0xFF, 0xFF000000); 68 initRect(&splash->overlayRect, x, y, width, height, 1, 69 stride * sizeof(rgbquad_t), splash->overlayData, 70 &splash->overlayFormat); 71 SplashUpdate(splash); 72 } 73 SplashUnlock(splash); 74 } 75 76 77 /* 78 * Class: java_awt_SplashScreen 79 * Method: _isVisible 80 * Signature: (J)Z 81 */ 82 JNIEXPORT jboolean JNICALL 83 Java_java_awt_SplashScreen__1isVisible(JNIEnv * env, jclass thisClass, 84 jlong jsplash) 85 { 86 Splash *splash = (Splash *) jlong_to_ptr(jsplash); 87 88 if (!splash) { 89 return JNI_FALSE; 90 } 91 return splash->isVisible>0 ? JNI_TRUE : JNI_FALSE; 92 } 93 94 /* 95 * Class: java_awt_SplashScreen 96 * Method: _getBounds 97 * Signature: (J)Ljava/awt/Rectangle; 98 */ 99 JNIEXPORT jobject JNICALL 100 Java_java_awt_SplashScreen__1getBounds(JNIEnv * env, jclass thisClass, 101 jlong jsplash) 102 { 103 Splash *splash = (Splash *) jlong_to_ptr(jsplash); 104 static jclass clazz = NULL; 105 static jmethodID mid = NULL; 106 jobject bounds = NULL; 107 108 if (!splash) { 109 return NULL; 110 } 111 SplashLock(splash); 112 if (!clazz) { 113 clazz = (*env)->FindClass(env, "java/awt/Rectangle"); 114 if (clazz) { 115 clazz = (*env)->NewGlobalRef(env, clazz); 116 } 117 } 118 if (clazz && !mid) { 119 mid = (*env)->GetMethodID(env, clazz, "<init>", "(IIII)V"); 120 } 121 if (clazz && mid) { 122 bounds = (*env)->NewObject(env, clazz, mid, splash->x, splash->y, 123 splash->width, splash->height); 124 if ((*env)->ExceptionOccurred(env)) { 125 bounds = NULL; 126 (*env)->ExceptionDescribe(env); 127 (*env)->ExceptionClear(env); 128 } 129 } 130 SplashUnlock(splash); 131 return bounds; 132 } 133 134 /* 135 * Class: java_awt_SplashScreen 136 * Method: _getInstance 137 * Signature: ()J 138 */ 139 JNIEXPORT jlong JNICALL 140 Java_java_awt_SplashScreen__1getInstance(JNIEnv * env, jclass thisClass) 141 { 142 return ptr_to_jlong(SplashGetInstance()); 143 } 144 145 /* 146 * Class: java_awt_SplashScreen 147 * Method: _close 148 * Signature: (J)V 149 */ 150 JNIEXPORT void JNICALL 151 Java_java_awt_SplashScreen__1close(JNIEnv * env, jclass thisClass, 152 jlong jsplash) 153 { 154 Splash *splash = (Splash *) jlong_to_ptr(jsplash); 155 156 if (!splash) { 157 return; 158 } 159 SplashLock(splash); 160 SplashClosePlatform(splash); 161 SplashUnlock(splash); 162 } 163 164 /* 165 * Class: java_awt_SplashScreen 166 * Method: _getImageFileName 167 * Signature: (J)Ljava/lang/String; 168 */ 169 JNIEXPORT jstring JNICALL Java_java_awt_SplashScreen__1getImageFileName 170 (JNIEnv * env, jclass thisClass, jlong jsplash) 171 { 172 Splash *splash = (Splash *) jlong_to_ptr(jsplash); 173 174 175 if (!splash || !splash->fileName) { 176 return NULL; 177 } 178 /* splash->fileName is of type char*, but in fact it contains jchars */ 179 return (*env)->NewString(env, (const jchar*)splash->fileName, 180 splash->fileNameLen); 181 } 182 183 /* 184 * Class: java_awt_SplashScreen 185 * Method: _getImageJarName 186 * Signature: (J)Ljava/lang/String; 187 */ 188 JNIEXPORT jstring JNICALL Java_java_awt_SplashScreen__1getImageJarName 189 (JNIEnv * env, jclass thisClass, jlong jsplash) 190 { 191 Splash *splash = (Splash *) jlong_to_ptr(jsplash); 192 193 if (!splash || !splash->jarName) { 194 return NULL; 195 } 196 /* splash->jarName is of type char*, but in fact it contains jchars */ 197 return (*env)->NewString(env, (const jchar*)splash->jarName, 198 splash->jarNameLen); 199 } 200 201 /* 202 * Class: java_awt_SplashScreen 203 * Method: _setImageData 204 * Signature: (J[B)Z 205 */ 206 JNIEXPORT jboolean JNICALL Java_java_awt_SplashScreen__1setImageData 207 (JNIEnv * env, jclass thisClass, jlong jsplash, jbyteArray data) 208 { 209 Splash *splash = (Splash *) jlong_to_ptr(jsplash); 210 int size, rc; 211 jbyte* pBytes; 212 213 if (!splash) { 214 return JNI_FALSE; 215 } 216 pBytes = (*env)->GetByteArrayElements(env, data, NULL); 217 CHECK_NULL_RETURN(pBytes, JNI_FALSE); 218 size = (*env)->GetArrayLength(env, data); 219 rc = SplashLoadMemory(pBytes, size); 220 (*env)->ReleaseByteArrayElements(env, data, pBytes, JNI_ABORT); 221 return rc ? JNI_TRUE : JNI_FALSE; 222 } 223 224 /* 225 * Class: java_awt_SplashScreen 226 * Method: _getScaleFactor 227 * Signature: (J)F 228 */ 229 JNIEXPORT jfloat JNICALL Java_java_awt_SplashScreen__1getScaleFactor 230 (JNIEnv *env, jclass thisClass, jlong jsplash) 231 { 232 Splash *splash = (Splash *) jlong_to_ptr(jsplash); 233 if (!splash) { 234 return 1; 235 } 236 return splash->scaleFactor; 237 }