blocks/query_block_color

 * Fill converted form fields:

 * Output an imported PDF page with its blocks being filled with different

 * personalized data

 *

 * Import a PDF page whose form fields have been converted to blocks.

 * Fill some blocks representing text fields, checkboxes and radio buttons

 * appropriately.   

 *

 * Required software: PPS 7

 * Required data: PDF document containing blocks

 */

package com.pdflib.cookbook.pdflib.blocks;

import com.pdflib.pdflib;

import com.pdflib.PDFlibException;

public class fill_converted_formfields

{

    public static void main (String argv[])

    {

    /* This is where the data files are. Adjust as necessary. */

    String searchpath = "../input";

    String outfile = "fill_converted_formfields.pdf";

    String title = "Fill Converted Form Fields";

    pdflib p = null;

    double width, height;

    String infile = "form_with_blocks.pdf";

    int inpage, indoc;

    String text_optlist;

    /* The following blocks are contained in the imported page:

     * "plane model" representing a text field

     * "quantity" representing a text field

     * "color" and "color_1" representing two radio buttons

     * "perforation" and "glossy" representing two checkboxes

     */

    try {

        p = new pdflib();

        p.set_parameter("SearchPath", searchpath);

        /* This means we must check return values of load_font() etc. */

        p.set_parameter("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 + " $Revision: 1.3.4.1 $");

        /* Open a PDF containing blocks */

        indoc = p.open_pdi_document(infile, "");

        if (indoc == -1)

            throw new Exception("Error: " + p.get_errmsg());

        /* Open the first page */

        inpage = p.open_pdi_page(indoc, 1, "");

        if (inpage == -1)

            throw new Exception("Error: " + p.get_errmsg());

        /* Get the width and height of the imported page */

        width = p.pcos_get_number(indoc, "pages[0]/width");

        height = p.pcos_get_number(indoc, "pages[0]/height");

        /* Start the output page with the size given by the imported page */

        p.begin_page_ext(width, height, "");

        /* Place the imported page on the output page */

        p.fit_pdi_page(inpage, 0, 0, "");

        /* Fill the "plane model" block with some text */

        if (p.fill_textblock(inpage, "plane model", "Long Distance Glider",

            "") == -1)

            System.err.println("Warning: " + p.get_errmsg());

        /* Fill the "quantity" text block with a quantity of 1 */

        if (p.fill_textblock(inpage, "quantity", "1", "") == -1)

            System.err.println("Warning: " + p.get_errmsg());

        /* Fill the "color" block (representing a radiobutton) with a circle.

         * The circle is supplied as "l". The encoding "builtin" will retrieve

         * the circle symbol from the encoding which is integrated in the

         * ZapfDingbats font.

         * The following symbols are represented by the respective characters in

         * the ZapfDingbats font: Check=4, Circle=1, Cross=8, Diamond=u,

         * Square=n, Star=H

         */

        text_optlist = "fontname=ZapfDingbats encoding=builtin position=center";

        if (p.fill_textblock(inpage, "color", "l",

            text_optlist) == -1)

            System.err.println("Warning: " + p.get_errmsg());

        /* Fill the "color_1" block (for a radiobutton) with a space. Otherwise,

         * the border of the block representing the empty check box would not be

         * shown in the output document.

         */

        text_optlist = "fontname=ZapfDingbats encoding=builtin position=center";

        if (p.fill_textblock(inpage, "color_1", " ",

            text_optlist) == -1)

            System.err.println("Warning: " + p.get_errmsg());

        /* Fill the "perforation" block (for a checkbox) with a check mark

         * encoded in Unicode.

         */

        text_optlist = "fontname=ZapfDingbats fontsize=12 encoding=unicode " +

            "position=center";

        if (p.fill_textblock(inpage, "perforation", "\u2714",

            text_optlist) == -1)

            System.err.println("Warning: " + p.get_errmsg());

        /* Fill the "glossy" block (for a checkbox) with a space. Otherwise,

         * the border of the block representing the empty check box would not be

         * shown in the output document.

         */

        text_optlist = "fontname=ZapfDingbats fontsize=12 encoding=unicode " +

            "position=center";

        if (p.fill_textblock(inpage, "glossy", " ",

            text_optlist) == -1)

            System.err.println("Warning: " + p.get_errmsg());

        p.end_page_ext("");

        p.close_pdi_page(inpage);

        p.end_document("");

        p.close_pdi_document(indoc);

        } catch (PDFlibException e) {

            System.err.print("PDFlib exception occurred:\n");

            System.err.print("[" + e.get_errnum() + "] " + e.get_apiname() +

                ": " + e.get_errmsg() + "\n");

        } catch (Exception e) {

            System.err.println(e.toString());

        } finally {

            if (p != null) {

                p.delete();

            }

        }

    }

}