Initial import of release 2.2.REL-2.2@923

git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/trunk@4 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c

1 files changed, 277 insertions, 0 deletions

diff --git a/src/main/java/com/lowagie/text/Graphic.java b/src/main/java/com/lowagie/text/Graphic.java
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+/*

+ * $Id: Graphic.java,v 1.57 2004/12/14 12:33:47 blowagie Exp $

+ * $Name:  $

+ *

+ * Copyright 1999, 2000, 2001, 2002 by Bruno Lowagie.

+ *

+ * 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.awt.Color;

+import java.util.ArrayList;

+import java.util.Iterator;

+import java.util.HashMap;

+

+import com.lowagie.text.pdf.PdfContentByte;

+

+/**

+ * A <CODE>Graphic</CODE> element can contain several geometric figures (curves, lines,...).

+ * <P>

+ * If you want to use this <CODE>Element</CODE>, please read the Sections 8.4 and 8.5 of

+ * the PDF Reference Manual version 1.3 first.

+ *

+ * @see		Element

+ */

+

+public class Graphic extends PdfContentByte implements Element {

+    

+/** This is a type of Graphic. */

+    public static final String HORIZONTAL_LINE = "HORIZONTAL";

+    

+/** This is a type of Graphic. */

+    public static final String BORDER = "BORDER";

+    

+/** Contains some of the attributes for this Graphic. */

+    private HashMap attributes;

+    

+    // constructor

+    

+/**

+ * Constructs a <CODE>Graphic</CODE>-object.

+ */

+    

+    public Graphic() {

+        super(null);

+    }

+    

+    // implementation of the Element interface

+    

+/**

+ * Processes the element by adding it (or the different parts) to an

+ * <CODE>ElementListener</CODE>.

+ *

+ * @param	listener	an <CODE>ElementListener</CODE>

+ * <CODE>true</CODE> if the element was processed successfully

+ * @return true if processing this object succeeded

+ */

+    

+    public boolean process(ElementListener listener) {

+        try {

+            return listener.add(this);

+        }

+        catch(DocumentException de) {

+            return false;

+        }

+    }

+    

+/**

+ * Gets the type of the text element.

+ *

+ * @return	a type

+ */

+    

+    public int type() {

+        return Element.GRAPHIC;

+    }

+    

+/**

+ * Gets all the chunks in this element.

+ *

+ * @return	an <CODE>ArrayList</CODE>

+ */

+    

+    public ArrayList getChunks() {

+        return new ArrayList();

+    }

+    

+    /**

+     * Orders this graphic to draw a horizontal, centered line.

+     * @param linewidth the line width

+     * @param percentage the percentage horizontal width in relation to the margins or if negative, an absolute value

+     */

+    

+    public void setHorizontalLine(float linewidth, float percentage) {

+        if (attributes == null) attributes = new HashMap();

+        attributes.put(HORIZONTAL_LINE, new Object[]{new Float(linewidth), new Float(percentage), Color.black, new Integer(Element.ALIGN_CENTER)});

+    }

+    

+    /**

+     * Orders this graphic to draw a horizontal line with some alignment.

+     * @param linewidth the line width

+     * @param percentage the percentage horizontal width in relation to the margins or if negative, an absolute value

+     * @param align the line alignment

+     */

+    public void setHorizontalLine(float linewidth, float percentage, int align) {

+        if (attributes == null) attributes = new HashMap();

+        attributes.put(HORIZONTAL_LINE, new Object[]{new Float(linewidth), new Float(percentage), Color.black, new Integer(align)});

+    }

+    

+    /**

+     * Orders this graphic to draw a horizontal, centered line.

+     * @param linewidth the line width

+     * @param percentage the percentage horizontal width in relation to the margins or if negative, an absolute value

+     * @param color the color of the line

+     */

+    

+    public void setHorizontalLine(float linewidth, float percentage, Color color) {

+        if (attributes == null) attributes = new HashMap();

+        attributes.put(HORIZONTAL_LINE, new Object[]{new Float(linewidth), new Float(percentage), color, new Integer(Element.ALIGN_CENTER)});

+    }

+    

+    /**

+     * Orders this graphic to draw a horizontal, centered line.

+     * @param linewidth the line width

+     * @param percentage the percentage horizontal width in relation to the margins or if negative, an absolute value

+     * @param color the color of the line

+     * @param align the line alignment

+     */

+    public void setHorizontalLine(float linewidth, float percentage, Color color, int align) {

+        if (attributes == null) attributes = new HashMap();

+        attributes.put(HORIZONTAL_LINE, new Object[]{new Float(linewidth), new Float(percentage), color, new Integer(align)});

+    }

+    

+/**

+ * draws a horizontal line.

+ * @param lineWidth width of the line

+ * @param color color of the line

+ * @param x1 start position of the line

+ * @param x2 end position of the line

+ * @param y y-coordinate of the line

+ */

+    

+    public void drawHorizontalLine(float lineWidth, Color color, float x1, float x2, float y) {

+        setLineWidth(lineWidth);

+        setColorStroke(color);

+        moveTo(x1, y);

+        lineTo(x2, y);

+        stroke();

+        resetRGBColorStroke();

+    }

+    

+/**

+ * Orders this graphic to draw a horizontal line.

+ * @param linewidth linewidth of the border

+ * @param extraSpace extraspace needed as marging on the page

+ */

+    

+    public void setBorder(float linewidth, float extraSpace) {

+        if (attributes == null) attributes = new HashMap();

+        attributes.put(BORDER, new Object[]{new Float(linewidth), new Float(extraSpace), new Color(0, 0, 0)});

+    }

+    

+/**

+ * Orders this graphic to draw a horizontal line.

+ * @param linewidth linewidth of the border

+ * @param extraSpace extraspace needed as marging on the page

+ * @param color color of the borderbox

+ */

+    

+    public void setBorder(float linewidth, float extraSpace, Color color) {

+        if (attributes == null) attributes = new HashMap();

+        attributes.put(BORDER, new Object[]{new Float(linewidth), new Float(extraSpace), color});

+    }

+    

+/**

+ * Draws a border

+ * @param lineWidth linewidth of the border

+ * @param color color of the borderbox

+ * @param llx lower left x coordinate

+ * @param lly lower left y coordinate

+ * @param urx upper right x coordinate

+ * @param ury upper right y coordinate

+ */

+    public void drawBorder(float lineWidth, Color color, float llx, float lly, float urx, float ury) {

+        setLineWidth(lineWidth);

+        setColorStroke(color);

+        rectangle(llx, lly, urx - llx, ury - lly);

+        stroke();

+        resetRGBColorStroke();

+    }

+    

+/**

+ * Processes the attributes of this object.

+ * @param llx lower left x coordinate

+ * @param lly lower left y coordinate

+ * @param urx upper right x coordinate

+ * @param ury upper right y coordinate

+ * @param y

+ */

+    

+    public void processAttributes(float llx, float lly, float urx, float ury, float y) {

+        if (attributes == null) return;

+        String attribute;

+        Object[] o;

+        for (Iterator i = attributes.keySet().iterator(); i.hasNext(); ) {

+            attribute = (String) i.next();

+            o = (Object[]) attributes.get(attribute);

+            if (HORIZONTAL_LINE.equals(attribute)) {

+                float p = ((Float)o[1]).floatValue();

+                float w;

+                if (p < 0)

+                    w = -p;

+                else

+                    w = (urx - llx) * p / 100.0f;

+                int align = ((Integer)o[3]).intValue();

+                float s;

+                switch (align) {

+                    case Element.ALIGN_LEFT:

+                        s = 0;

+                        break;

+                    case Element.ALIGN_RIGHT:

+                        s = urx - llx - w;

+                        break;

+                    default:

+                        s = (urx - llx - w) / 2;

+                }

+                drawHorizontalLine(((Float)o[0]).floatValue(), (Color)o[2], s + llx, s + w + llx, y);

+            }

+            if (BORDER.equals(attribute)) {

+                float extra = ((Float)o[1]).floatValue();

+                drawBorder(((Float)o[0]).floatValue(), (Color)o[2], llx - extra, lly - extra, urx + extra, ury + extra);

+            }

+        }

+    }

+}