javauis/m2g_qt/javasrc/com/nokia/microedition/m2g/M2GSVGPoint.java
author hgs
Fri, 29 Oct 2010 11:49:32 +0300
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permissions -rw-r--r--
v2.2.21_1
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/*
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* Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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package com.nokia.microedition.m2g;
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import org.w3c.dom.svg.*;
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/**
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 * This interface represents an "SVGPoint" datatype,
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 * identified by its x and y components.
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 */
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public class M2GSVGPoint implements SVGPoint
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{
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    //--------------------------------------------------
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    // VARIABLES
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    //--------------------------------------------------
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    private M2GSVGSVGElement iElement;
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    private float iX;
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    private float iY;
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    //--------------------------------------------------
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    // METHODS
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    //--------------------------------------------------
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    /**
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    * Constructor
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    * @param aRootElement
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     */
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    protected M2GSVGPoint(M2GSVGSVGElement aElement)
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    {
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        iElement = aElement;
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        iX = 0;
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        iY = 0;
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    }
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    /**
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     * Check set validity
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     * @param aValue Value
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     * @return true if setting can be done
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     */
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    protected boolean check(float aValue)
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    {
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        if (Float.isNaN(aValue))
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        {
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            // throw IllegalArgumentException();
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            return false;
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        }
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        if (iElement != null)
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        {
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            String zoomAndPan = iElement.getTrait("zoomAndPan");
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            if ((zoomAndPan != null) && zoomAndPan.equals("disable"))
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            {
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                return false;
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            }
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            return true;
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        }
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        return false;
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    }
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    /**
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     * @see org.w3c.dom.svg.SVGPath#getX()
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     */
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    public float getX()
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    {
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        synchronized (this)
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        {
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            return iX;
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        }
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    }
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    /**
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     * @see org.w3c.dom.svg.SVGPath#getX()
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     */
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    public float getY()
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    {
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        synchronized (this)
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        {
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            return iY;
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        }
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    }
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    /**
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     * @see org.w3c.dom.svg.SVGPath#setX()
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     */
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    public void setX(float value)
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    {
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        synchronized (this)
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        {
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            if (check(value))
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            {
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                iX = value;
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                if (iElement != null)
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                {
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                    iElement.updateTransformMatrix();
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                }
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            }
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        }
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    }
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    /**
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     * @see org.w3c.dom.svg.SVGPath#setY()
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     */
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    public void setY(float value)
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    {
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        synchronized (this)
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        {
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            if (check(value))
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            {
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                iY = value;
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                if (iElement != null)
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                {
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                    iElement.updateTransformMatrix();
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                }
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            }
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        }
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    }
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}