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fonts/type3_bitmaptext

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/* $Id: type3_bitmaptext.java,v 1.10 2013/01/15 10:11:58 stm Exp $

 * Type 3 bitmap text:

 * Create a simple Type 3 font from image data

 *

 * Use the "inline" option of load_image() for loading glyph bitmaps.

 *

 * Required software: PDFlib/PDFlib+PDI/PPS 9

 * Required data: image files

 */

package com.pdflib.cookbook.pdflib.fonts;


import com.pdflib.pdflib;

import com.pdflib.PDFlibException;


public class type3_bitmaptext

{

    public static void main (String argv[])

    {

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

    String searchpath = "../input";

    String outfile = "type3_bitmaptext.pdf";

    String title = "Type 3 Bitmap Text";


    pdflib p = null;

    int image;

    int bitmapfont;

    String optlist = "inline bpc=1 components=1 height=16 width=8 mask invert";


    int data[][] =

    {{0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0x84, 0x04, 0x7C, 0x84, 0x84, 0x8C,

      0x76, 0x00, 0x00, 0x00}, /* "a" */

     {0x00, 0x00, 0xC0, 0x40, 0x40, 0x5C, 0x62, 0x42, 0x42, 0x42, 0x42, 0x62,

     0xDC, 0x00, 0x00, 0x00}/* "b" */

     {0x00, 0x00, 0x00, 0x00, 0x00, 0x3E, 0x42, 0x40, 0x40, 0x40, 0x42, 0x42,

      0x3C, 0x00, 0x00, 0x00}}; /* "c" */


    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 + " $Revision: 1.10 $");


        /* From the data defining three glyphs, create three PVFs

         * "/pvf/font/bitmap0" ... "/pvf/font/bitmap2"

         */

        byte [] glyphdef = new byte[data[0].length];


        for (int i=0; i < 3; i++) {

            for (int j=0; j < data[0].length; j++)

                glyphdef[j] = (byte) data[i][j];


            p.create_pvf("/pvf/font/bitmap" + i, glyphdef, "");

        }


        /* Create the "BitmapFont" font */

        p.begin_font("BitmapFont", 1/16.0, 0, 0, 1/16.0, 0, -3/16.0, "");


        /* Start the glyph definition for "a" */

        p.begin_glyph_ext(0x0061, "width=8 boundingbox={0 0 8 16}");


        /* Load the bitmap data for the glyph from the PVF.

         * The "inline" option is provided so that load_image() will internally

         * perform the equivalent of fit_image(image, 0, 0, "") and

         * close_image(image).

         */

        image = p.load_image("raw", "/pvf/font/bitmap0", optlist);

        if (image == -1)

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


        p.end_glyph();


        /* Define the glyph "b" */

        p.begin_glyph_ext(0x0062, "width=8 boundingbox={0 0 8 16}");


        image = p.load_image("raw", "/pvf/font/bitmap1", optlist);

        if (image == -1)

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


        p.end_glyph();


        /* Define the glyph "c" */

        p.begin_glyph_ext(0x0063, "width=8 boundingbox={0 0 8 16}");


        image = p.load_image("raw", "/pvf/font/bitmap2", optlist);

        if (image == -1)

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


        p.end_glyph();


        /* The .notdef (fallback) glyph should be contained in all Type 3

         * fonts to avoid problems with some PDF viewers. It is usually

         * empty.

         */

        p.begin_glyph_ext(0x0000, "width=8 boundingbox={0 0 8 16}");

        p.end_glyph();


        p.end_font();


        p.begin_page_ext(0, 0, "width=200 height=300");


        /* Load the new "BitmapFont" font */

        bitmapfont = p.load_font("BitmapFont", "winansi", "embedding");

        if (bitmapfont == -1)

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


        /* Output the characters "a", "b", and "c" */

        p.fit_textline("a", 70, 200, "font=" + bitmapfont + " fontsize=36");

        p.fit_textline("b", 70, 150, "font=" + bitmapfont + " fontsize=36");

        p.fit_textline("c", 70, 100, "font=" + bitmapfont + " fontsize=36");


        p.end_page_ext("");


        p.end_document("");


        } 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.getMessage());

        } finally {

            if (p != null) {

                p.delete();

            }

        }

    }

}