| /* |
| * 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; |
| } |
| } |