com.itextpdf.text.pdf.PdfDashPattern Maven / Gradle / Ivy
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package com.itextpdf.text.pdf;
import java.io.IOException;
import java.io.OutputStream;
/**
* A PdfDashPattern defines a dash pattern as described in
* the PDF Reference Manual version 1.3 p 325 (section 8.4.3).
*
* @see PdfArray
*/
public class PdfDashPattern extends PdfArray {
// membervariables
/** This is the length of a dash. */
private float dash = -1;
/** This is the length of a gap. */
private float gap = -1;
/** This is the phase. */
private float phase = -1;
// constructors
/**
* Constructs a new PdfDashPattern.
*/
public PdfDashPattern() {
super();
}
/**
* Constructs a new PdfDashPattern.
*/
public PdfDashPattern(float dash) {
super(new PdfNumber(dash));
this.dash = dash;
}
/**
* Constructs a new PdfDashPattern.
*/
public PdfDashPattern(float dash, float gap) {
super(new PdfNumber(dash));
add(new PdfNumber(gap));
this.dash = dash;
this.gap = gap;
}
/**
* Constructs a new PdfDashPattern.
*/
public PdfDashPattern(float dash, float gap, float phase) {
super(new PdfNumber(dash));
add(new PdfNumber(gap));
this.dash = dash;
this.gap = gap;
this.phase = phase;
}
public void add(float n) {
add(new PdfNumber(n));
}
/**
* Returns the PDF representation of this PdfArray.
*/
public void toPdf(PdfWriter writer, OutputStream os) throws IOException {
os.write('[');
if (dash >= 0) {
new PdfNumber(dash).toPdf(writer, os);
if (gap >= 0) {
os.write(' ');
new PdfNumber(gap).toPdf(writer, os);
}
}
os.write(']');
if (phase >=0) {
os.write(' ');
new PdfNumber(phase).toPdf(writer, os);
}
}
}