Initial Commit

iTechSharp/iTextSharp/text/pdf/PdfShadingPattern.cs

@@ -0,0 +1,137 @@
+using System;
+
+/*
+ * Copyright 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 {
+
+    /** Implements the shading pattern dictionary.
+     *
+     * @author Paulo Soares (psoares@consiste.pt)
+     */
+    public class PdfShadingPattern : PdfDictionary {
+
+        protected PdfShading shading;
+    
+        protected PdfWriter writer;
+    
+        protected float[] matrix = {1, 0, 0, 1, 0, 0};
+    
+        protected PdfName patternName;
+
+        protected PdfIndirectReference patternReference;
+
+        /** Creates new PdfShadingPattern */
+        public PdfShadingPattern(PdfShading shading) {
+            writer = shading.Writer;
+            Put(PdfName.PATTERNTYPE, new PdfNumber(2));
+            this.shading = shading;
+        }
+        
+        internal PdfName PatternName {
+            get {
+                return patternName;
+            }
+        }
+
+        internal PdfName ShadingName {
+            get {
+                return shading.ShadingName;
+            }
+        }
+    
+        internal PdfIndirectReference PatternReference {
+            get {
+                if (patternReference == null)
+                    patternReference = writer.PdfIndirectReference;
+                return patternReference;
+            }
+        }
+    
+        internal PdfIndirectReference ShadingReference {
+            get {
+                return shading.ShadingReference;
+            }
+        }
+    
+        internal int Name {
+            set {
+                patternName = new PdfName("P" + value);
+            }
+        }
+    
+        internal void AddToBody() {
+            Put(PdfName.SHADING, ShadingReference);
+            Put(PdfName.MATRIX, new PdfArray(matrix));
+            writer.AddToBody(this, PatternReference);
+        }
+    
+        public float[] Matrix {
+            get {
+                return matrix;
+            }
+
+            set {
+                if (value.Length != 6)
+                    throw new Exception("The matrix size must be 6.");
+                this.matrix = value;
+            }
+        }
+    
+        public PdfShading Shading {
+            get {
+                return shading;
+            }
+        }
+    
+        internal ColorDetails ColorDetails {
+            get {
+                return shading.ColorDetails;
+            }
+        }
+
+    }
+}