javauis/m3g_akn/src/jni/loader.inl
changeset 21 2a9601315dfc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/m3g_akn/src/jni/loader.inl	Mon May 03 12:27:20 2010 +0300
@@ -0,0 +1,234 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+#include "javax_microedition_m3g_Loader.h"
+
+#include <ezlib.h>
+
+/*!
+ * \brief Symbian implementation of the block inflation function for
+ * the Loader class
+ */
+static M3Gsizei m3gSymbianInflateBlock1(M3Gsizei srcLength,
+                                        const M3Gubyte *src,
+                                        M3Gsizei dstLength,
+                                        M3Gubyte *dst)
+{
+    unsigned long len = (unsigned long) dstLength;
+    if (uncompress((Bytef *) dst, &len,
+                   (const Bytef *) src, (uLong) srcLength) != Z_OK)
+    {
+        return 0;
+    }
+    return (M3Gsizei) len;
+}
+
+JNIEXPORT jboolean JNICALL Java_javax_microedition_m3g_Loader__1inflate
+(JNIEnv* aEnv, jclass, jbyteArray aCompressed, jbyteArray aInflated)
+{
+    M3Guint result;
+
+    M3Gubyte *compressedData = (M3Gubyte *)aEnv->GetByteArrayElements(aCompressed, NULL);
+    if (compressedData == NULL)
+    {
+        M3G_RAISE_EXCEPTION(aEnv, "java/lang/OutOfMemoryError");
+        return 0;
+    }
+    M3Gint compressedLength = aEnv->GetArrayLength(aCompressed);
+    M3Gubyte *inflatedData = (M3Gubyte *)aEnv->GetByteArrayElements(aInflated, NULL);
+    if (inflatedData == NULL)
+    {
+        if (compressedData)
+            aEnv->ReleaseByteArrayElements(aCompressed, (jbyte*)compressedData, JNI_ABORT);
+        M3G_RAISE_EXCEPTION(aEnv, "java/lang/OutOfMemoryError");
+        return 0;
+    }
+    M3Gint inflatedLength = aEnv->GetArrayLength(aInflated);
+
+    M3G_DO_LOCK
+    if (m3gSymbianInflateBlock1(compressedLength, compressedData,
+                                inflatedLength, inflatedData))
+    {
+        result = TRUE;
+    }
+    else
+    {
+        result = FALSE;
+    }
+    M3G_DO_UNLOCK(aEnv)
+
+    if (aCompressed)
+    {
+        aEnv->ReleaseByteArrayElements(aCompressed, (jbyte*)compressedData, JNI_ABORT);
+    }
+
+    if (aInflated)
+    {
+        aEnv->ReleaseByteArrayElements(aInflated, (jbyte*)inflatedData, 0);
+    }
+
+    return result;
+}
+
+
+JNIEXPORT jint JNICALL Java_javax_microedition_m3g_Loader__1ctor
+(JNIEnv* aEnv, jclass, jint aM3g)
+{
+    M3G_DO_LOCK
+    M3GLoader loader = (M3GLoader)m3gCreateLoader((M3GInterface)aM3g);
+    M3G_DO_UNLOCK(aEnv)
+    return (M3Guint)loader;
+}
+
+JNIEXPORT jint JNICALL Java_javax_microedition_m3g_Loader__1decodeData
+(JNIEnv* aEnv, jclass, jint aLoader, jint aOffset, jbyteArray aDataArray)
+{
+    /* null array is never passed */
+    M3Gubyte *data = (M3Gubyte *)aEnv->GetByteArrayElements(aDataArray, NULL);
+    if (data == NULL)
+    {
+        M3G_RAISE_EXCEPTION(aEnv, "java/lang/OutOfMemoryError");
+        return 0;
+    }
+
+    M3Gint bytes = aEnv->GetArrayLength(aDataArray);
+    M3GLoader loader = (M3GLoader)aLoader;
+
+    M3G_DO_LOCK
+    jint retVal = m3gDecodeData(loader, bytes, data + aOffset);
+    M3G_DO_UNLOCK(aEnv)
+
+    if (aDataArray)
+    {
+        aEnv->ReleaseByteArrayElements(aDataArray, (jbyte*)data, JNI_ABORT);
+    }
+
+    return retVal;
+}
+
+JNIEXPORT jint JNICALL Java_javax_microedition_m3g_Loader__1getLoadedObjects
+(JNIEnv* aEnv, jclass, jint aLoader, jintArray aObjectArray)
+{
+    M3GObject *objects = NULL;
+    if (aObjectArray)
+    {
+        objects = (M3GObject *)aEnv->GetIntArrayElements(aObjectArray, NULL);
+        if (objects == NULL)
+        {
+            M3G_RAISE_EXCEPTION(aEnv, "java/lang/OutOfMemoryError");
+            return 0;
+        }
+    }
+
+    M3GLoader loader = (M3GLoader)aLoader;
+
+    M3G_DO_LOCK
+    jint retVal = m3gGetLoadedObjects(loader, objects);
+    M3G_DO_UNLOCK(aEnv)
+
+    if (aObjectArray)
+    {
+        aEnv->ReleaseIntArrayElements(aObjectArray, (jint*)objects, 0);
+    }
+
+    return retVal;
+}
+
+JNIEXPORT void JNICALL Java_javax_microedition_m3g_Loader__1setExternalReferences
+(JNIEnv* aEnv, jclass, jint aLoader, jintArray aObjectArray)
+{
+    /* null array is never passed */
+    M3GObject *xRefs = (M3GObject *)aEnv->GetIntArrayElements(aObjectArray, NULL);
+    if (xRefs == NULL)
+    {
+        M3G_RAISE_EXCEPTION(aEnv, "java/lang/OutOfMemoryError");
+        return;
+    }
+
+    M3Gint numXRefs = aEnv->GetArrayLength(aObjectArray);
+    M3GLoader loader = (M3GLoader)aLoader;
+
+    M3G_DO_LOCK
+    m3gImportObjects(loader, numXRefs, xRefs);
+    M3G_DO_UNLOCK(aEnv)
+
+    aEnv->ReleaseIntArrayElements(aObjectArray, (jint*)xRefs, JNI_ABORT);
+}
+
+JNIEXPORT jint JNICALL Java_javax_microedition_m3g_Loader__1getObjectsWithUserParameters
+(JNIEnv* aEnv, jclass, jint aLoader, jintArray aObjectArray)
+{
+    M3GObject *objects = NULL;
+    if (aObjectArray)
+    {
+        objects = (M3GObject *)aEnv->GetIntArrayElements(aObjectArray, NULL);
+        if (objects == NULL)
+        {
+            M3G_RAISE_EXCEPTION(aEnv, "java/lang/OutOfMemoryError");
+            return 0;
+        }
+    }
+
+    M3GLoader loader = (M3GLoader)aLoader;
+
+    M3G_DO_LOCK
+    jint retVal = m3gGetObjectsWithUserParameters(loader, objects);
+    M3G_DO_UNLOCK(aEnv)
+
+    if (objects)
+    {
+        aEnv->ReleaseIntArrayElements(aObjectArray, (jint*)objects, 0);
+    }
+
+    return retVal;
+}
+
+JNIEXPORT jint JNICALL Java_javax_microedition_m3g_Loader__1getNumUserParameters
+(JNIEnv* aEnv, jclass, jint aLoader, jint aObj)
+{
+    M3GLoader loader = (M3GLoader)aLoader;
+    M3G_DO_LOCK
+    jint numParams = (jint)m3gGetNumUserParameters(loader, aObj);
+    M3G_DO_UNLOCK(aEnv)
+    return numParams;
+}
+
+JNIEXPORT jint JNICALL Java_javax_microedition_m3g_Loader__1getUserParameter
+(JNIEnv* aEnv, jclass, jint aLoader, jint aObj, jint aIndex, jbyteArray aDataArray)
+{
+    M3Gbyte *data = NULL;
+    if (aDataArray)
+    {
+        data = (M3Gbyte *)aEnv->GetByteArrayElements(aDataArray, NULL);
+        if (data == NULL)
+        {
+            M3G_RAISE_EXCEPTION(aEnv, "java/lang/OutOfMemoryError");
+            return 0;
+        }
+    }
+
+    M3GLoader loader = (M3GLoader)aLoader;
+    M3G_DO_LOCK
+    jint retVal = m3gGetUserParameter(loader, aObj, aIndex, data);
+    M3G_DO_UNLOCK(aEnv)
+
+    if (data)
+    {
+        aEnv->ReleaseByteArrayElements(aDataArray, (jbyte*)data, 0);
+    }
+
+    return retVal;
+}