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/*
* $Id: LineSeparator.java 3373 2008-05-12 16:21:24Z xlv $
*
* Copyright 2008 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.pdf.draw;
import com.lowagie.text.Element;
import com.lowagie.text.pdf.PdfContentByte;
import java.awt.Color;
/**
* Element that draws a solid line from left to right.
* Can be added directly to a document or column.
* Can also be used to create a separator chunk.
* @author Paulo Soares
* @since 2.1.2
*/
public class LineSeparator extends VerticalPositionMark {
/** The thickness of the line. */
protected float lineWidth = 1;
/** The width of the line as a percentage of the available page width. */
protected float percentage = 100;
/** The color of the line. */
protected Color lineColor;
/** The alignment of the line. */
protected int alignment = Element.ALIGN_CENTER;
/**
* Creates a new instance of the LineSeparator class.
* @param lineWidth the thickness of the line
* @param percentage the width of the line as a percentage of the available page width
* @param lineColor the color of the line
* @param align the alignment
* @param offset the offset of the line relative to the current baseline (negative = under the baseline)
*/
public LineSeparator(float lineWidth, float percentage, Color lineColor, int align, float offset) {
this.lineWidth = lineWidth;
this.percentage = percentage;
this.lineColor = lineColor;
this.alignment = align;
this.offset = offset;
}
/**
* Creates a new instance of the LineSeparator class with
* default values: lineWidth 1 user unit, width 100%, centered with offset 0.
*/
public LineSeparator() {
}
/**
* @see com.lowagie.text.pdf.draw.DrawInterface#draw(com.lowagie.text.pdf.PdfContentByte, float, float, float, float, float)
*/
public void draw(PdfContentByte canvas, float llx, float lly, float urx, float ury, float y) {
canvas.saveState();
drawLine(canvas, llx, urx, y);
canvas.restoreState();
}
/**
* Draws a horizontal line.
* @param canvas the canvas to draw on
* @param leftX the left x coordinate
* @param rightX the right x coordindate
* @param y the y coordinate
*/
public void drawLine(PdfContentByte canvas, float leftX, float rightX, float y) {
float w;
if (getPercentage() < 0)
w = -getPercentage();
else
w = (rightX - leftX) * getPercentage() / 100.0f;
float s;
switch (getAlignment()) {
case Element.ALIGN_LEFT:
s = 0;
break;
case Element.ALIGN_RIGHT:
s = rightX - leftX - w;
break;
default:
s = (rightX - leftX - w) / 2;
break;
}
canvas.setLineWidth(getLineWidth());
if (getLineColor() != null)
canvas.setColorStroke(getLineColor());
canvas.moveTo(s + leftX, y + offset);
canvas.lineTo(s + w + leftX, y + offset);
canvas.stroke();
}
/**
* Getter for the line width.
* @return the thickness of the line that will be drawn.
*/
public float getLineWidth() {
return lineWidth;
}
/**
* Setter for the line width.
* @param lineWidth the thickness of the line that will be drawn.
*/
public void setLineWidth(float lineWidth) {
this.lineWidth = lineWidth;
}
/**
* Setter for the width as a percentage of the available width.
* @return a width percentage
*/
public float getPercentage() {
return percentage;
}
/**
* Setter for the width as a percentage of the available width.
* @param percentage a width percentage
*/
public void setPercentage(float percentage) {
this.percentage = percentage;
}
/**
* Getter for the color of the line that will be drawn.
* @return a color
*/
public Color getLineColor() {
return lineColor;
}
/**
* Setter for the color of the line that will be drawn.
* @param color a color
*/
public void setLineColor(Color color) {
this.lineColor = color;
}
/**
* Getter for the alignment of the line.
* @return an alignment value
*/
public int getAlignment() {
return alignment;
}
/**
* Setter for the alignment of the line.
* @param align an alignment value
*/
public void setAlignment(int align) {
this.alignment = align;
}
}
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