/*

 * Copyright 2000 Sun Microsystems, Inc.  All Rights Reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Sun designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Sun in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

package sun.print;

import java.awt.Graphics;

import java.awt.Graphics2D;

import java.awt.image.BufferedImage;

import java.awt.print.PageFormat;

import java.awt.print.Printable;

import java.net.URL;

import java.io.InputStream;

import javax.imageio.ImageIO;

class ImagePrinter implements Printable {

    BufferedImage image;

    ImagePrinter(InputStream stream) {

        try {

            image = ImageIO.read(stream);

        } catch (Exception e) {

        }

    }

    ImagePrinter(URL url) {

        try {

            image = ImageIO.read(url);

        } catch (Exception e) {

        }

    }

    public int print(Graphics g, PageFormat pf, int index) {

        if (index > 0 || image == null) {

            return Printable.NO_SUCH_PAGE;

        }

        ((Graphics2D)g).translate(pf.getImageableX(), pf.getImageableY());

        int w = image.getWidth(null);

        int h = image.getHeight(null);

        int iw = (int)pf.getImageableWidth();

        int ih = (int)pf.getImageableHeight();

        // ensure image will fit

        int dw = w;

        int dh = h;

        if (dw > iw) {

            dh = (int)(dh * ( (float) iw / (float) dw)) ;

            dw = iw;

        }

        if (dh > ih) {

            dw = (int)(dw * ( (float) ih / (float) dh)) ;

            dh = ih;

        }

        // centre on page

        int dx = (iw - dw) / 2;

        int dy = (ih - dh) / 2;

        g.drawImage(image, dx, dy, dx+dw, dy+dh, 0, 0, w, h, null);

        return Printable.PAGE_EXISTS;

    }

}