✏️ Editing: font_dump.php

<?php

/*
  This script prints out all characters in a TrueType font file
  to a PDF document. Point your browser to
  http://your.domain/your_path_to _mpdf/utils/font_dump.php
  The font file must be located in /ttfonts/ (or the default font
  directory defined by _MPDF_TTFONTPATH.
  By default this will examine the font dejavusanscondensed.
  You can optionally define an alternative font file to examine by setting
  the variable below (must be a relative path, or filesystem path):
 */

$font = 'dejavusanscondensed'; // Use internal mPDF font-name

$min = 0x0020;  // Minimum Unicode value to show
$max = 0x2FFFF;  // Maximum Unicode value to show

$showmissing = false; // Show all missing unicode blocks / characters
//////////////////////////////////
//////////////////////////////////
//////////////////////////////////

set_time_limit(600);
ini_set("memory_limit", "512M");

//==============================================================
//==============================================================
include("../mpdf.php");

$mpdf = new mPDF('');

$mpdf->SetDisplayMode('fullpage');

$mpdf->useSubstitutions = true;
$mpdf->simpleTables = true;
// force fonts to be embedded whole i.e. NOT susbet
$mpdf->percentSubset = 0;

//==============================================================
//==============================================================
//==============================================================
//==============================================================
// This generates a .mtx.php file if not already generated
$mpdf->WriteHTML('<style>td { border: 0.1mm solid #555555; } body { font-weight: normal; }</style>');
$mpdf->WriteHTML('<h3 style="font-family:' . $font . '">' . strtoupper($font) . '</h3>'); // Separate Paragraphs  defined by font
$html = '';
//==============================================================
//==============================================================
//==============================================================
//==============================================================
$unifile = file('UnicodeData.txt');
$unichars = array();

foreach ($unifile AS $line) {
    if ($smp && preg_match('/^(1[0-9A-Za-z]{4});/', $line, $m)) {
        $unichars[hexdec($m[1])] = hexdec($m[1]);
    } else if (preg_match('/^([0-9A-Za-z]{4});/', $line, $m)) {
        $unichars[hexdec($m[1])] = hexdec($m[1]);
    }
}

// loads array $unicode_ranges
include('UnicodeRanges.php');
//==============================================================
//==============================================================

$cw = file_get_contents(_MPDF_TTFONTDATAPATH . $font . '.cw.dat');
if (!$cw) {
    die("Error - Must be able to read font metrics file: " . _MPDF_TTFONTDATAPATH . $font . '.cw.dat');
}
$counter = 0;

include(_MPDF_TTFONTDATAPATH . $font . '.mtx.php');

if ($smp) {
    $max = min($max, 131071);
} else {
    $max = min($max, 65535);
}

$justfinishedblank = false;
$justfinishedblankinvalid = false;

foreach ($unicode_ranges AS $urk => $ur) {
    if (0 >= $ur['startdec'] && 0 <= $ur['enddec']) {
        $rangekey = $urk;
        $range = $ur['range'];
        $rangestart = $ur['starthex'];
        $rangeend = $ur['endhex'];
        break;
    }
}
$lastrange = $range;
// create HTML content
$html .= '<table cellpadding="2" cellspacing="0" style="font-family:' . $font . ';text-align:center; border-collapse: collapse; ">';
$html .= '<tr><td colspan="18" style="font-family:dejavusanscondensed;font-weight:bold">' . strtoupper($font) . '</td></tr>';
$html .= '<tr><td colspan="18" style="font-family:dejavusanscondensed;font-size:8pt;font-weight:bold">' . strtoupper($range) . ' (U+' . $rangestart . '-U+' . $rangeend . ')</td></tr>';
$html .= '<tr><td></td>';

$html .= '<td></td>';
for ($i = 0; $i < 16; $i++) {
    $html .= '<td><b>-' . sprintf('%X', $i) . '</b></td>';
}

// print each character
for ($i = $min; $i <= $max; ++$i) {
    if (($i > 0) AND ( ($i % 16) == 0)) {
        $notthisline = true;
        while ($notthisline) {
            for ($j = 0; $j < 16; $j++) {
                if ($mpdf->_charDefined($cw, ($i + $j))) {
                    //if (isset($cw[($i+$j)])) { 
                    $notthisline = false;
                }
            }
            if ($notthisline) {
                if ($showmissing) {
                    $range = '';
                    foreach ($unicode_ranges AS $urk => $ur) {
                        if ($i >= $ur['startdec'] && $i <= $ur['enddec']) {
                            $rangekey = $urk;
                            $range = $ur['range'];
                            $rangestart = $ur['starthex'];
                            $rangeend = $ur['endhex'];
                            break;
                        }
                    }
                    $anyvalid = false;
                    for ($j = 0; $j < 16; $j++) {
                        if (isset($unichars[$i + $j])) {
                            $anyvalid = true;
                            break;
                        }
                    }
                    if ($range && $range == $lastrange) {
                        if (!$anyvalid) {
                            if (!$justfinishedblankinvalid) {
                                $html .= '<tr><td colspan="18" style="background-color:#555555; font-size: 4pt;">&nbsp;</td></tr>';
                            }
                            $justfinishedblankinvalid = true;
                        } else if (!$justfinishedblank) {
                            $html .= '<tr><td colspan="18" style="background-color:#FFAAAA; font-size: 4pt;">&nbsp;</td></tr>';
                            $justfinishedblank = true;
                        }
                    } else if ($range) {
                        $html .= '</tr></table><br />';
                        $mpdf->WriteHTML($html);
                        $html = '';
                        $html .= '<table cellpadding="2" cellspacing="0" style="font-family:' . $font . ';text-align:center; border-collapse: collapse; ">';
                        $html .= '<tr><td colspan="18" style="font-family:dejavusanscondensed;font-size:8pt;font-weight:bold">' . strtoupper($range) . ' (U+' . $rangestart . '-U+' . $rangeend . ')</td></tr>';
                        $html .= '<tr><td></td>';
                        $html .= '<td></td>';
                        for ($k = 0; $k < 16; $k++) {
                            $html .= '<td><b>-' . sprintf('%X', $k) . '</b></td>';
                        }
                        $justfinishedblank = false;
                        $justfinishedblankinvalid = false;
                    }
                    $lastrange = $range;
                }
                $i += 16;
                if ($i > $max) {
                    break 2;
                }
            }
        }
        foreach ($unicode_ranges AS $urk => $ur) {
            if ($i >= $ur['startdec'] && $i <= $ur['enddec']) {
                $rangekey = $urk;
                $range = $ur['range'];
                $rangestart = $ur['starthex'];
                $rangeend = $ur['endhex'];
                break;
            }
        }

if ($i > 0 && ($i % 16) == 0 && ($range != $lastrange)) {
            $html .= '</tr></table><br />';
            $mpdf->WriteHTML($html);
            $html = '';
            $html .= '<table cellpadding="2" cellspacing="0" style="font-family:' . $font . ';text-align:center; border-collapse: collapse; ">';
            $html .= '<tr><td colspan="18" style="font-family:dejavusanscondensed;font-size:8pt;font-weight:bold">' . strtoupper($range) . ' (U+' . $rangestart . '-U+' . $rangeend . ')</td></tr>';
            $html .= '<tr><td></td>';
            $html .= '<td></td>';
            for ($k = 0; $k < 16; $k++) {
                $html .= '<td><b>-' . sprintf('%X', $k) . '</b></td>';
            }
        }
        $lastrange = $range;
        $justfinishedblank = false;
        $justfinishedblankinvalid = false;
        $html .= '</tr><tr><td><i>' . (floor($i / 16) * 16) . '</i></td>';
        $html .= '<td><b>' . sprintf('%03X', floor($i / 16)) . '-</b></td>';
    }

// Add dotted circle to any character (mark) with width=0
    if ($mpdf->_charDefined($cw, $i) && _getCharWidth($cw, $i) == 0) {
        $html .= '<td>&#x25cc;&#' . $i . ';</td>';
        $counter++;
    } else {
        if ($mpdf->_charDefined($cw, $i)) {
            $html .= '<td>&#' . $i . ';</td>';
            $counter++;
        } else if (isset($unichars[$i])) {
            $html .= '<td style="background-color: #FFAAAA;"></td>';
        } else {
            $html .= '<td style="background-color: #555555;"></td>';
        }
    }
}

if (($i % 16) > 0) {
    for ($j = ($i % 16); $j < 16; ++$j) {
        $html .= '<td style="background-color: #555555;"></td>';
    }
}
$html .= '</tr></table><br />';

//==============================================================
function _getCharWidth(&$cw, $u, $isdef = true) {
    if ($u == 0) {
        $w = false;
    } else {
        $w = (ord($cw[$u * 2]) << 8) + ord($cw[$u * 2 + 1]);
    }
    if ($w == 65535) {
        return 0;
    } else if ($w) {
        return $w;
    } else if ($isdef) {
        return false;
    } else {
        return 0;
    }
}

//==============================================================
$mpdf->WriteHTML($html); // Separate Paragraphs  defined by font

$mpdf->Output();
exit;

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