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| 1 | /* | ||
| 2 | * Copyright (c) 2000, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package sun.print; | ||
| 27 | |||
| 28 | import java.awt.Graphics; | ||
| 29 | import java.awt.Graphics2D; | ||
| 30 | import java.awt.image.BufferedImage; | ||
| 31 | import java.awt.print.PageFormat; | ||
| 32 | import java.awt.print.Printable; | ||
| 33 | import java.net.URL; | ||
| 34 | import java.io.InputStream; | ||
| 35 | import javax.imageio.ImageIO; | ||
| 36 | |||
| 37 | class ImagePrinter implements Printable { | ||
| 38 | |||
| 39 | BufferedImage image; | ||
| 40 | |||
| 41 | ImagePrinter(InputStream stream) { | ||
| 42 | try { | ||
| 43 | image = ImageIO.read(stream); | ||
| 44 | } catch (Exception e) { | ||
| 45 | } | ||
| 46 | } | ||
| 47 | |||
| 48 | ImagePrinter(URL url) { | ||
| 49 | try { | ||
| 50 | image = ImageIO.read(url); | ||
| 51 | } catch (Exception e) { | ||
| 52 | } | ||
| 53 | } | ||
| 54 | |||
| 55 | public int print(Graphics g, PageFormat pf, int index) { | ||
| 56 | |||
| 57 | if (index > 0 || image == null) { | ||
| 58 | return Printable.NO_SUCH_PAGE; | ||
| 59 | } | ||
| 60 | |||
| 61 | ((Graphics2D)g).translate(pf.getImageableX(), pf.getImageableY()); | ||
| 62 | int w = image.getWidth(null); | ||
| 63 | int h = image.getHeight(null); | ||
| 64 | int iw = (int)pf.getImageableWidth(); | ||
| 65 | int ih = (int)pf.getImageableHeight(); | ||
| 66 | |||
| 67 | // ensure image will fit | ||
| 68 | int dw = w; | ||
| 69 | int dh = h; | ||
| 70 | if (dw > iw) { | ||
| 71 | dh = (int)(dh * ( (float) iw / (float) dw)) ; | ||
| 72 | dw = iw; | ||
| 73 | } | ||
| 74 | if (dh > ih) { | ||
| 75 | dw = (int)(dw * ( (float) ih / (float) dh)) ; | ||
| 76 | dh = ih; | ||
| 77 | } | ||
| 78 | // centre on page | ||
| 79 | int dx = (iw - dw) / 2; | ||
| 80 | int dy = (ih - dh) / 2; | ||
| 81 | |||
| 82 | g.drawImage(image, dx, dy, dx+dw, dy+dh, 0, 0, w, h, null); | ||
| 83 | return Printable.PAGE_EXISTS; | ||
| 84 | } | ||
| 85 | } | ||