Initial Commit

iTechSharp/iTextSharp/text/pdf/codec/wmf/InputMeta.cs

@@ -0,0 +1,117 @@
+using System;
+using System.IO;
+using iTextSharp.text;
+
+/*
+ * $Id: InputMeta.cs,v 1.4 2008/05/13 11:25:36 psoares33 Exp $
+ * 
+ *
+ * Copyright 2001, 2002 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/
+ */
+
+namespace iTextSharp.text.pdf.codec.wmf {
+    /// <summary>
+    /// Summary description for InputMeta.
+    /// </summary>
+    public class InputMeta {
+    
+        Stream sr;
+        int length;
+    
+        public InputMeta(Stream istr) {
+            this.sr = istr;
+        }
+
+        public int ReadWord() {
+            length += 2;
+            int k1 = sr.ReadByte();
+            if (k1 < 0)
+                return 0;
+            return (k1 + (sr.ReadByte() << 8)) & 0xffff;
+        }
+
+        public int ReadShort() {
+            int k = ReadWord();
+            if (k > 0x7fff)
+                k -= 0x10000;
+            return k;
+        }
+
+        public Int32 ReadInt() {
+            length += 4;
+            int k1 = sr.ReadByte();
+            if (k1 < 0)
+                return 0;
+            int k2 = sr.ReadByte() << 8;
+            int k3 = sr.ReadByte() << 16;
+            return k1 + k2 + k3 + (sr.ReadByte() << 24);
+        }
+    
+        public int ReadByte() {
+            ++length;
+            return sr.ReadByte() & 0xff;
+        }
+    
+        public void Skip(int len) {
+            length += len;
+            Utilities.Skip(sr, len);
+        }
+    
+        public int Length {
+            get {
+                return length;
+            }
+        }
+    
+        public Color ReadColor() {
+            int red = ReadByte();
+            int green = ReadByte();
+            int blue = ReadByte();
+            ReadByte();
+            return new Color(red, green, blue);
+        }
+    }
+}