/*

* 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_Camera.h"

JNIEXPORT void JNICALL Java_javax_microedition_m3g_Camera__1setPerspective

(JNIEnv* aEnv, jclass, jint aHandle, jfloat aFovy, jfloat aAspectRatio, jfloat aNear, jfloat aFar)

{

    M3G_DO_LOCK

    m3gSetPerspective((M3GCamera)aHandle, aFovy, aAspectRatio, aNear, aFar);

    M3G_DO_UNLOCK(aEnv)

}

JNIEXPORT void JNICALL Java_javax_microedition_m3g_Camera__1setGeneric

(JNIEnv* aEnv, jclass, jint aHandle, jbyteArray aTransform)

{

    jbyte* elems = NULL;

    if (aTransform)

    {

        elems = aEnv->GetByteArrayElements(aTransform, NULL);

        if (elems == NULL)

        {

            M3G_RAISE_EXCEPTION(aEnv, "java/lang/OutOfMemoryError");

            return;

        }

    }

    M3G_DO_LOCK

    m3gSetProjectionMatrix((M3GCamera)aHandle,

                           (const M3GMatrix *)elems);

    M3G_DO_UNLOCK(aEnv)

    if (elems)

        aEnv->ReleaseByteArrayElements(aTransform, elems, 0);

}

JNIEXPORT jint JNICALL Java_javax_microedition_m3g_Camera__1getProjectionAsParams

(JNIEnv* aEnv, jclass, jint aHandle, jfloatArray aParams)

{

    jfloat* elems = NULL;

    if (aParams && aEnv->GetArrayLength(aParams) < 4)

    {

        M3G_RAISE_EXCEPTION(aEnv, "java/lang/IllegalArgumentException");

        return 0;

    }

    elems = NULL;

    if (aParams)

    {

        elems = aEnv->GetFloatArrayElements(aParams, NULL);

        if (elems == NULL)

        {

            M3G_RAISE_EXCEPTION(aEnv, "java/lang/OutOfMemoryError");

            return 0;

        }

    }

    M3G_DO_LOCK

    jint ret = m3gGetProjectionAsParams((M3GCamera)aHandle, (jfloat*)elems);

    M3G_DO_UNLOCK(aEnv)

    if (elems)

    {

        aEnv->ReleaseFloatArrayElements(aParams, elems, 0);

    }

    return ret;

}

JNIEXPORT void JNICALL Java_javax_microedition_m3g_Camera__1setParallel

(JNIEnv* aEnv, jclass, jint aHandle, jfloat aHeight, jfloat aAspectRatio, jfloat aNear, jfloat aFar)

{

    M3G_DO_LOCK

    m3gSetParallel((M3GCamera)aHandle, aHeight, aAspectRatio, aNear, aFar);

    M3G_DO_UNLOCK(aEnv)

}

JNIEXPORT jint JNICALL Java_javax_microedition_m3g_Camera__1ctor

(JNIEnv* aEnv, jclass, jint aM3g)

{

    M3G_DO_LOCK

    jint handle = (jint)m3gCreateCamera((M3GInterface)aM3g);

    M3G_DO_UNLOCK(aEnv)

    return handle;

}

JNIEXPORT jint JNICALL Java_javax_microedition_m3g_Camera__1getProjectionAsTransform

(JNIEnv* aEnv, jclass, jint aHandle, jbyteArray aTransform)

{

    jbyte* elems = NULL;

    if (aTransform)

    {

        elems = aEnv->GetByteArrayElements(aTransform, NULL);

        if (elems == NULL)

        {

            M3G_RAISE_EXCEPTION(aEnv, "java/lang/OutOfMemoryError");

            return 0;

        }

    }

    M3G_DO_LOCK

    jint ret = m3gGetProjectionAsMatrix((M3GCamera)aHandle,

                                        (M3GMatrix *)elems);

    M3G_DO_UNLOCK(aEnv)

    if (elems)

        aEnv->ReleaseByteArrayElements(aTransform, elems, 0);

    return ret;

}