text_output/simple_stamp
Create a stamp across the page which runs diagonally from one corner to the other.
Download Java Code Switch to PHP Code Show Output
/*
* Simple stamp:
* Create a stamp across the page which runs diagonally from one edge to the
* other
*
* Place a text line as outlines like a stamp in the background of a Textflow.
* Place a text line like a stamp with a certain opacity on an image.
*
* See Cookbook topic "text_output/watermark" for creating watermark stamps
* which can be edited in Acrobat.
*
* Required software: PDFlib/PDFlib+PDI/PPS 10
* Required data: none
*/
package com.pdflib.cookbook.pdflib.text_output;
import com.pdflib.pdflib;
import com.pdflib.PDFlibException;
public class simple_stamp
{
public static void main (String argv[])
{
/* This is where the data files are. Adjust as necessary. */
String searchpath = "../input";
String outfile = "simple_stamp.pdf";
String title = "Simple Stamp";
pdflib p = null;
int exitcode = 0;
int image, gstate;
String imagefile = "nesrin.jpg";
String result;
int tf = -1;
final double llx=50, lly=50;
final String optlist =
"fontname=NotoSerif-Regular fontsize=24 leading=120% charref";
final String textflow =
"To fold the famous rocket looper proceed as follows:\n" +
"Take a DIN A4 sheet.\nFold it lenghtwise in the middle.\nThen, fold " +
"the upper corners down.\nFold the long sides inwards that the " +
"points A and B meet on the central fold.\nFold the points C and D " +
"that the upper corners meet with the central fold as well." +
"\nFold the plane in the middle. Fold the wings down that they close " +
"with the lower border of the plane.";
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");
/* Set an output path according to the name of the topic */
if (p.begin_document(outfile, "") == -1)
throw new Exception("Error: " + p.get_errmsg());
p.set_info("Creator", "PDFlib Cookbook");
p.set_info("Title", title);
/* Page 1 */
p.begin_page_ext(0, 0, "width=a4.width height=a4.height");
/* Fit the text line as outlines like a stamp in the specified box. The
* stamp will be placed diagonally from the upper left to the lower
* right (stamp=ul2lr).
*/
p.fit_textline("The Famous Rocket Looper", llx, lly,
"fontname=NotoSerif-Bold " +
"strokecolor={rgb 1 0 0} textrendering=1 boxsize={500 750} " +
"strokecolor={rgb 0.5 0 1} stamp=ul2lr");
/* Place the Textflow on top of the stamp */
tf = p.add_textflow(tf, textflow, optlist);
if (tf == -1)
throw new Exception("Error: " + p.get_errmsg());
result = p.fit_textflow(tf, 100, 100, 400, 700, "");
if (!result.equals("_stop"))
{
/* Check for errors or more text to be placed */
}
p.end_page_ext("");
/* Page 2 */
p.begin_page_ext(350, 220, "");
/* Load and place the image first to have it in the background
*/
image = p.load_image("auto", imagefile, "");
if (image == -1)
throw new Exception("Error: " + p.get_errmsg());
p.fit_image(image, 0, 0, "scale=0.5");
/* Save the current graphics state */
p.save();
/* Set the opacity in the current graphics state,
* for the stamp to appear slightly transparent
*/
gstate = p.create_gstate("opacityfill=0.5");
p.set_gstate(gstate);
/* Fit the text line as outlines like a stamp in the specified box.
* The stamp will be place diagonally from the lower left to the upper
* right (stamp=ll2ur). It will be drawn in a transparent white
* according to the opacity set for the current graphics state.
*/
p.fit_textline("Our Test Image", 30, 10,
"fontname=NotoSerif-Bold " +
"fillcolor={rgb 1 1 1} boxsize={300 200} fontsize=1 stamp=ll2ur");
p.restore();
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);
}
}
}