jdk/src/share/classes/sun/print/ImagePrinter.java
changeset 2 90ce3da70b43
child 5506 202f599c92aa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/sun/print/ImagePrinter.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,85 @@
+/*
+ * 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;
+    }
+}