fonts/type3_bitmaptext

<?php

/* $Id: type3_bitmaptext.php,v 1.3 2012/05/03 14:00:38 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 7

 * Required data: image files

 */

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

$searchpath = dirname(dirname(dirname(__FILE__)))."/input";

$outfile = "";

$title = "Type 3 Bitmap Text";

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

$data = array(

    "\x00\x00\x00\x00\x00\x78\x84\x04\x7C\x84\x84\x8C\x76\x00\x00\x00", /* "a" */

    "\x00\x00\xC0\x40\x40\x5C\x62\x42\x42\x42\x42\x62\xDC\x00\x00\x00",  /* "b" */

    "\x00\x00\x00\x00\x00\x3E\x42\x40\x40\x40\x42\x42\x3C\x00\x00\x00" /* "c" */

    );

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");

    $p->set_parameter("textformat", "utf8");

    if ($p->begin_document($outfile, "") == 0)

        throw new Exception("Error: " . $p->get_errmsg());

    $p->set_info("Creator", "PDFlib Cookbook");

    $p->set_info("Title", $title );

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

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

     */

    for ($i=0; $i < count($data); $i++) {

        $p->create_pvf("/pvf/font/bitmap" . $i, $data[$i], "");

    }

    /* 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("a", 8, 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 == 0)

        throw new Exception("Error: " . $p->get_errmsg());

    $p->end_glyph();

    /* Define the glyph "b" */

    $p->begin_glyph("b", 8, 0, 0, 8, 16);

    $image = $p->load_image("raw", "/pvf/font/bitmap1", $optlist);

    if ($image == 0)

        throw new Exception("Error: " . $p->get_errmsg());

    $p->end_glyph();

    /* Define the glyph "c" */

    $p->begin_glyph("c", 8, 0, 0, 8, 16);

    $image = $p->load_image("raw", "/pvf/font/bitmap2", $optlist);

    if ($image == 0)

        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(".notdef", 8, 0, 0, 0, 0);

    $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 == 0)

        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("");

    $buf = $p->get_buffer();

    $len = strlen($buf);

    header("Content-type: application/pdf");

    header("Content-Length: $len");

    header("Content-Disposition: inline; filename=type3_bitmaptext.pdf");

    print $buf;

    } catch (PDFlibException $e) {

        die("PDFlib exception occurred:\n".

            "[" . $e->get_errnum() . "] " . $e->get_apiname() .

            ": " . $e->get_errmsg() . "\n");

    } catch (Exception $e) {

        die($e->getMessage());

    }

$p=0;

?>