/*

* Copyright (c) 2003 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:

*

*/

/*!

 * \file \brief Global methods for JSR-184

 *

 * This file is <em>included</em>, not linked, by specific VM bindings.

 *

 */

#ifndef M3G_JAVA_INCLUDE

#   error included by m3g_<platform>_java_api.c; do not compile separately.

#endif

#include <m3g/m3g_core.h>

#include "m3g_jsr184.h"

/*----------------------------------------------------------------------

 * Internal functions

 *--------------------------------------------------------------------*/

/*!

 * \brief Returns the number of bytes per pixel for a JSR-184 pixel

 * format

 *

 * \note Dependent on constants in Image2D.java

 */

static M3Guint jsr184BytesPerPixel(int jsrFormat)

{

    switch (jsrFormat)

    {

    case M3G_ALPHA:

        return 1;

    case M3G_LUMINANCE:

        return 1;

    case M3G_LUMINANCE_ALPHA:

        return 2;

    case M3G_RGB:

        return 3;

    case M3G_RGBA:

        return 4;

    default:

        return 0;

    }

}

/*!

 * \brief Returns m3g core pixel format for qiven Qt based pixel format

 *

 */

static M3GPixelFormat mapQtPixelformat(int qtFormat)

{

    switch (qtFormat)

    {

    case QImage::Format_RGB32:

    case QImage::Format_ARGB32:

        return M3G_ARGB8;

    case QImage::Format_RGB888:

        return M3G_RGB8;

    case QImage::Format_RGB444:

        return M3G_RGB4;

    case QImage::Format_RGB16:

        return M3G_RGB565;

    default:

        return M3G_NO_FORMAT;

    }

}

/*!

 * \brief Return a MIDP exception string corresponding to an M3G error

 */

static const char *jsr184Exception(M3Genum errorCode)

{

    switch (errorCode)

    {

    case M3G_NO_ERROR:

        return NULL;

    case M3G_OUT_OF_MEMORY:

        return "java/lang/OutOfMemoryError";

    case M3G_INVALID_OPERATION:

        return "java/lang/IllegalStateException";

    case M3G_INVALID_INDEX:

        return "java/lang/IndexOutOfBoundsException";

    case M3G_NULL_POINTER:

        return "java/lang/NullPointerException";

    case M3G_ARITHMETIC_ERROR:

        return "java/lang/ArithmeticException";

    case M3G_IO_ERROR:

        return "java/io/IOException";

    default:

        return "java/lang/IllegalArgumentException";

    }

}