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Diffstat (limited to 'src/main/java/com/lowagie/text/Graphic.java')
| -rw-r--r-- | src/main/java/com/lowagie/text/Graphic.java | 277 |
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 new file mode 100644 index 0000000..5d65c42 --- /dev/null +++ b/src/main/java/com/lowagie/text/Graphic.java @@ -0,0 +1,277 @@ +/*
+ * $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);
+ }
+ }
+ }
+}
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