/* * Copyright (c) 2000, Oracle and/or its affiliates. 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. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.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; }}
/*
* Copyright (c) 2000, Oracle and/or its affiliates. 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.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;
}
}