diff options
Diffstat (limited to 'src/main/java/com/lowagie/text/ImgWMF.java')
| -rw-r--r-- | src/main/java/com/lowagie/text/ImgWMF.java | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/src/main/java/com/lowagie/text/ImgWMF.java b/src/main/java/com/lowagie/text/ImgWMF.java new file mode 100644 index 0000000..25b989c --- /dev/null +++ b/src/main/java/com/lowagie/text/ImgWMF.java @@ -0,0 +1,190 @@ +/*
+ * $Id: ImgWMF.java,v 1.47 2005/05/04 14:31:10 blowagie Exp $
+ * $Name: $
+ *
+ * Copyright 1999, 2000, 2001, 2002 by Paulo Soares.
+ *
+ * The contents of this file are subject to the Mozilla Public License Version 1.1
+ * (the "License"); you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the License.
+ *
+ * The Original Code is 'iText, a free JAVA-PDF library'.
+ *
+ * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
+ * the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
+ * All Rights Reserved.
+ * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
+ * are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
+ *
+ * Contributor(s): all the names of the contributors are added in the source code
+ * where applicable.
+ *
+ * Alternatively, the contents of this file may be used under the terms of the
+ * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
+ * provisions of LGPL are applicable instead of those above. If you wish to
+ * allow use of your version of this file only under the terms of the LGPL
+ * License and not to allow others to use your version of this file under
+ * the MPL, indicate your decision by deleting the provisions above and
+ * replace them with the notice and other provisions required by the LGPL.
+ * If you do not delete the provisions above, a recipient may use your version
+ * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the MPL as stated above or under the terms of the GNU
+ * Library General Public License as published by the Free Software Foundation;
+ * either version 2 of the License, or any later version.
+ *
+ * This library 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 Library general Public License for more
+ * details.
+ *
+ * If you didn't download this code from the following link, you should check if
+ * you aren't using an obsolete version:
+ * http://www.lowagie.com/iText/
+ */
+
+package com.lowagie.text;
+
+import java.io.InputStream;
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URL;
+import com.lowagie.text.pdf.codec.wmf.InputMeta;
+import com.lowagie.text.pdf.codec.wmf.MetaDo;
+import com.lowagie.text.pdf.*;
+
+/**
+ * An <CODE>ImgWMF</CODE> is the representation of a windows metafile
+ * that has to be inserted into the document
+ *
+ * @see Element
+ * @see Image
+ */
+
+public class ImgWMF extends Image implements Element {
+
+ // Constructors
+
+ ImgWMF(Image image) {
+ super(image);
+ }
+
+ /**
+ * Constructs an <CODE>ImgWMF</CODE>-object, using an <VAR>url</VAR>.
+ *
+ * @param url the <CODE>URL</CODE> where the image can be found
+ * @throws BadElementException on error
+ * @throws IOException on error
+ */
+
+ public ImgWMF(URL url) throws BadElementException, IOException {
+ super(url);
+ processParameters();
+ }
+
+ /**
+ * Constructs an <CODE>ImgWMF</CODE>-object, using a <VAR>filename</VAR>.
+ *
+ * @param filename a <CODE>String</CODE>-representation of the file that contains the image.
+ * @throws BadElementException on error
+ * @throws MalformedURLException on error
+ * @throws IOException on error
+ */
+
+ public ImgWMF(String filename) throws BadElementException, MalformedURLException, IOException {
+ this(Image.toURL(filename));
+ }
+
+ /**
+ * Constructs an <CODE>ImgWMF</CODE>-object from memory.
+ *
+ * @param img the memory image
+ * @throws BadElementException on error
+ * @throws IOException on error
+ */
+
+ public ImgWMF(byte[] img) throws BadElementException, IOException {
+ super((URL)null);
+ rawData = img;
+ originalData = img;
+ processParameters();
+ }
+
+/**
+ * This method checks if the image is a valid WMF and processes some parameters.
+ * @throws BadElementException
+ * @throws IOException
+ */
+
+ private void processParameters() throws BadElementException, IOException {
+ type = IMGTEMPLATE;
+ originalType = ORIGINAL_WMF;
+ InputStream is = null;
+ try {
+ String errorID;
+ if (rawData == null){
+ is = url.openStream();
+ errorID = url.toString();
+ }
+ else{
+ is = new java.io.ByteArrayInputStream(rawData);
+ errorID = "Byte array";
+ }
+ InputMeta in = new InputMeta(is);
+ if (in.readInt() != 0x9AC6CDD7) {
+ throw new BadElementException(errorID + " is not a valid placeable windows metafile.");
+ }
+ in.readWord();
+ int left = in.readShort();
+ int top = in.readShort();
+ int right = in.readShort();
+ int bottom = in.readShort();
+ int inch = in.readWord();
+ dpiX = 72;
+ dpiY = 72;
+ scaledHeight = (float)(bottom - top) / inch * 72f;
+ setTop(scaledHeight);
+ scaledWidth = (float)(right - left) / inch * 72f;
+ setRight(scaledWidth);
+ }
+ finally {
+ if (is != null) {
+ is.close();
+ }
+ plainWidth = width();
+ plainHeight = height();
+ }
+ }
+
+ /** Reads the WMF into a template.
+ * @param template the template to read to
+ * @throws IOException on error
+ * @throws DocumentException on error
+ */
+ public void readWMF(PdfTemplate template) throws IOException, DocumentException {
+ setTemplateData(template);
+ template.setWidth(width());
+ template.setHeight(height());
+ InputStream is = null;
+ try {
+ if (rawData == null){
+ is = url.openStream();
+ }
+ else{
+ is = new java.io.ByteArrayInputStream(rawData);
+ }
+ MetaDo meta = new MetaDo(is, template);
+ meta.readAll();
+ }
+ finally {
+ if (is != null) {
+ is.close();
+ }
+ }
+ }
+}
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