1 /*

     2 * Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 

    19 package javax.microedition.m3g;

    20 

    21 public class Camera extends Node

    22 {

    23     //------------------------------------------------------------------

    24     // Static data

    25     //------------------------------------------------------------------

    26 

    27     public static final int GENERIC = 48;

    28     public static final int PARALLEL = 49;

    29     public static final int PERSPECTIVE = 50;

    30 

    31     //------------------------------------------------------------------

    32     // Constructors

    33     //------------------------------------------------------------------

    34 

    35     public Camera()

    36     {

    37         super(_ctor(Interface.getHandle()));

    38     }

    39 

    40     /**

    41      */

    42     Camera(int handle)

    43     {

    44         super(handle);

    45     }

    46 

    47     //------------------------------------------------------------------

    48     // Public methods

    49     //------------------------------------------------------------------

    50 

    51     public void setParallel(float height, float aspectRatio, float near, float far)

    52     {

    53         _setParallel(handle, height, aspectRatio, near, far);

    54     }

    55 

    56     public void setPerspective(float fovy, float aspectRatio, float near, float far)

    57     {

    58         _setPerspective(handle, fovy, aspectRatio, near, far);

    59     }

    60 

    61     public void setGeneric(Transform transform)

    62     {

    63         _setGeneric(handle, transform.matrix);

    64     }

    65 

    66     public int getProjection(Transform transform)

    67     {

    68         return _getProjectionAsTransform(handle, transform != null ? transform.matrix : null);

    69     }

    70 

    71     public int getProjection(float[] params)

    72     {

    73         return _getProjectionAsParams(handle, params);

    74     }

    75 

    76     //------------------------------------------------------------------

    77     // Private methods

    78     //------------------------------------------------------------------

    79 

    80     // Native methods

    81     private static native int _ctor(int hInterface);

    82     private static native void _setParallel(int handle, float height, float aspectRatio, float near, float far);

    83     private static native void _setPerspective(int handle, float fovy, float aspectRatio, float near, float far);

    84     private static native void _setGeneric(int handle, byte[] transform);

    85     private static native int _getProjectionAsTransform(int handle, byte[] transform);

    86     private static native int _getProjectionAsParams(int handle, float[] params);

    87 }