// Copyright 2002 Nokia Corporation. // // THIS SOURCE CODE IS PROVIDED 'AS IS', WITH NO WARRANTIES WHATSOEVER, // EXPRESS OR IMPLIED, INCLUDING ANY WARRANTY OF MERCHANTABILITY, FITNESS // FOR ANY PARTICULAR PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE // OR TRADE PRACTICE, RELATING TO THE SOURCE CODE OR ANY WARRANTY OTHERWISE // ARISING OUT OF ANY PROPOSAL, SPECIFICATION, OR SAMPLE AND WITH NO // OBLIGATION OF NOKIA TO PROVIDE THE LICENSEE WITH ANY MAINTENANCE OR // SUPPORT. FURTHERMORE, NOKIA MAKES NO WARRANTY THAT EXERCISE OF THE // RIGHTS GRANTED HEREUNDER DOES NOT INFRINGE OR MAY NOT CAUSE INFRINGEMENT // OF ANY PATENT OR OTHER INTELLECTUAL PROPERTY RIGHTS OWNED OR CONTROLLED // BY THIRD PARTIES // // Furthermore, information provided in this source code is preliminary, // and may be changed substantially prior to final release. Nokia Corporation // retains the right to make changes to this source code at // any time, without notice. This source code is provided for informational // purposes only. // // Nokia and Nokia Connecting People are registered trademarks of Nokia// Corporation.// Java and all Java-based marks are trademarks or registered trademarks of// Sun Microsystems, Inc.// Other product and company names mentioned herein may be trademarks or// trade names of their respective owners.// // A non-exclusive, non-transferable, worldwide, limited license is hereby // granted to the Licensee to download, print, reproduce and modify the // source code. The licensee has the right to market, sell, distribute and // make available the source code in original or modified form only when // incorporated into the programs developed by the Licensee. No other // license, express or implied, by estoppel or otherwise, to any other // intellectual property rights is granted herein.// unnamed packageimport javax.microedition.lcdui.*;class DisplayCanvas    extends Canvas    implements CommandListener{    private final CameraMIDlet midlet;    private Image image = null;    DisplayCanvas(CameraMIDlet midlet)    {        this.midlet = midlet;        addCommand(new Command("Back", Command.BACK, 1));        setCommandListener(this);    }    public void paint(Graphics g)    {        g.setColor(0x0000FFFF);   // cyan        g.fillRect(0, 0, getWidth(), getHeight());        if (image != null)        {            g.drawImage(image,                        getWidth()/2,                        getHeight()/2,                        Graphics.VCENTER | Graphics.HCENTER);        }    }    void setImage(byte[] pngImage)    {        image = Image.createImage(pngImage, 0, pngImage.length);    }    public void commandAction(Command c, Displayable d)    {        midlet.displayCanvasBack();    }}