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/*
*
* This file is part of the iText (R) project.
Copyright (c) 1998-2017 iText Group NV
* Authors: Bruno Lowagie, Paulo Soares, et al.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License version 3
* as published by the Free Software Foundation with the addition of the
* following permission added to Section 15 as permitted in Section 7(a):
* FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
* ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
* OF THIRD PARTY RIGHTS
*
* This program 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 Affero General Public License for more details.
* You should have received a copy of the GNU Affero General Public License
* along with this program; if not, see http://www.gnu.org/licenses or write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA, 02110-1301 USA, or download the license from the following URL:
* http://itextpdf.com/terms-of-use/
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU Affero General Public License.
*
* In accordance with Section 7(b) of the GNU Affero General Public License,
* a covered work must retain the producer line in every PDF that is created
* or manipulated using iText.
*
* You can be released from the requirements of the license by purchasing
* a commercial license. Buying such a license is mandatory as soon as you
* develop commercial activities involving the iText software without
* disclosing the source code of your own applications.
* These activities include: offering paid services to customers as an ASP,
* serving PDFs on the fly in a web application, shipping iText with a closed
* source product.
*
* For more information, please contact iText Software Corp. at this
* address: [email protected]
*/
package com.itextpdf.text.pdf.draw;
import com.itextpdf.text.BaseColor;
import com.itextpdf.text.Element;
import com.itextpdf.text.Font;
import com.itextpdf.text.pdf.PdfChunk;
import com.itextpdf.text.pdf.PdfContentByte;
/**
* 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 BaseColor lineColor;
/** The alignment of the line. */
protected int alignment = Element.ALIGN_BOTTOM;
/**
* 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, BaseColor 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.
* @param font the font
*/
public LineSeparator(Font font) {
this.lineWidth = PdfChunk.UNDERLINE_THICKNESS * font.getSize();
this.offset = PdfChunk.UNDERLINE_OFFSET * font.getSize();
this.percentage = 100;
this.lineColor = font.getColor();
}
/**
* 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.itextpdf.text.pdf.draw.DrawInterface#draw(com.itextpdf.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 BaseColor getLineColor() {
return lineColor;
}
/**
* Setter for the color of the line that will be drawn.
* @param color a color
*/
public void setLineColor(BaseColor 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;
}
}
