graphics/dashed_lines
Create some dash patterns to be used as line styles.
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/*
* Dashed lines:
* Create some dash patterns to be used as line styles
*
* Required software: PDFlib/PDFlib+PDI/PPS 9
* Required data: none
*/
package com.pdflib.cookbook.pdflib.graphics;
import com.pdflib.pdflib;
import com.pdflib.PDFlibException;
public class dashed_lines
{
public static void main (String argv[])
{
/* This is where the data files are. Adjust if necessary. */
String searchpath = "../input";
String outfile = "dashed_lines.pdf";
String title = "Dashed Lines";
pdflib p = null;
int startx = 10, starty = 200, x = 200, y = 200;
int exitcode = 0;
try {
p = new pdflib();
p.set_option("searchpath={" + searchpath + "}");
/* This means we must check return values of load_font() etc. */
p.set_option("errorpolicy=return");
if (p.begin_document(outfile, "") == -1)
throw new Exception("Error: " + p.get_errmsg());
p.set_info("Creator", "PDFlib Cookbook");
p.set_info("Title", title);
p.begin_page_ext(250, 250, "");
/* Set the drawing properties for the dash patterns */
p.setlinewidth(0.6);
/* Set the first dash pattern with a dash and gap length of 3 */
p.set_graphics_option("dasharray={3 3}");
/* Stroke a line with that pattern */
p.moveto(startx, starty);
p.lineto(x, y);
p.stroke();
/* Set the second dash pattern with a dash length of 3 and
* a gap length of 6
*/
p.set_graphics_option("dasharray={3 6}");
/* Stroke a line with that pattern */
p.moveto(startx, starty-20);
p.lineto(x, y-20);
p.stroke();
/* Set the third dash pattern with a dash length of 6 and
* a gap length of 3
*/
p.set_graphics_option("dasharray={6 3}");
/* Stroke a line with that pattern */
p.moveto(startx, starty-40);
p.lineto(x, y-40);
p.stroke();
/* Set the fourth dash pattern with a dash length of 5 and
* a gap length of 3, then a dash of 0.5 and a gap of 3, then a dash
* of 3 and a gap of 3, then a dash of 0.0 and a gap of 3 and so forth
*/
p.set_graphics_option("dasharray={5 3 0.5 3 3 3 0.5 3}");
/* Stroke a line with that pattern */
p.moveto(startx, starty-60);
p.lineto(x, y-60);
p.stroke();
p.end_page_ext("");
p.end_document("");
} catch (PDFlibException e) {
System.err.println("PDFlib exception occurred:");
System.err.println("[" + e.get_errnum() + "] " + e.get_apiname() +
": " + e.get_errmsg());
exitcode = 1;
} catch (Exception e) {
System.err.println(e);
exitcode = 1;
} finally {
if (p != null) {
p.delete();
}
System.exit(exitcode);
}
}
}