PDFlib Cookbook

cookbook

pdf_3D/richmedia_3d updated

Load a PRC 3D model and create a 3D RichMedia annotation.

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/*
 * RichMedia 3D:
 * Load a PRC 3D model and create a 3D RichMedia annotation.
 *
 * Define a 3D view and load some 3D data with the defined view. Then create
 * a RichMedia annotation with 3D and JavaScript assets and the 3D view as
 * initial view.
 * 
 * Required software: PDFlib/PDFlib+PDI/PPS 10
 * Required data: PRC data file
 */
package com.pdflib.cookbook.pdflib.pdf_3D;

import com.pdflib.pdflib;
import com.pdflib.PDFlibException;

public class richmedia_3d {
    public static void main(String argv[]) {
        /* This is where the data files are. Adjust if necessary. */
        String searchpath = "../input";
        String modelfile = "riemann.prc";	            // 3D PRC file
        String jsfile = "prcanim.js";	            	// JavaScript for 3D animation
        String outfile = "richmedia_3d.pdf";
        String title = "RichMedia 3D";

        pdflib p = null;

        String optlist;
        int view;
        int exitcode = 0;

        try {
            p = new pdflib();

            p.set_option("searchpath={" + searchpath + "}");

            /* This means we must check return values of begin_document()
             * etc.
             */
            p.set_option("errorpolicy=return");

            /* Start the document */
            if (p.begin_document(outfile, "destination={type=fitwindow}") == -1)
                throw new Exception("Error: " + p.get_errmsg());

            p.set_info("Creator", "PDFlib Cookbook");
            p.set_info("Title", title);

            p.begin_page_ext(0, 0, "width=a4.width height=a4.height");
            
            // Load the 3D model to create a 3D asset
            int asset_3d = p.load_asset("3D", modelfile, "");
            if (asset_3d == -1)
                throw new Exception("Error: " + p.get_errmsg());
            
            // Load JavaScript asset
            int asset_js = p.load_asset("JavaScript", jsfile, "");
            if (asset_js == -1)
                throw new Exception("Error: " + p.get_errmsg());            

            /* Define a 3D view which shows the model from the top */
            optlist = "type=PRC name=FirstView background={fillcolor=lightblue} "
                + "camera2world={-1 0 0 0 1 0 0 0 -1 0.5 0 300}";
            if ((view = p.create_3dview("First view", optlist)) == -1)
                throw new Exception("Error: " + p.get_errmsg());

            /*
             * Create a RichMedia annotation containing the 3D and JavaScript
             * assets and the 3D view as its initial view
             */
            optlist =
                "richmedia={" +
                	"assets={ " +
                		"{asset=" + asset_3d + " name=3dasset} " +
                		"{asset=" + asset_js + " name=script1} " +
                	"} " +
                	"configuration={instances={ {asset=3dasset} }} " +
                	"views={" + view + "} " +
                	"activate={condition=visible scripts={script1} } " +
                "}";

            p.create_annotation(116, 200, 447, 580, "RichMedia", optlist);

            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);
        }
    }
}