| 1 | <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
|
|---|
| 2 | <html>
|
|---|
| 3 | <head>
|
|---|
| 4 | <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
|
|---|
| 5 | <title>Adding new fonts and encoding support</title>
|
|---|
| 6 | <link type="text/css" rel="stylesheet" href="../fpdf.css">
|
|---|
| 7 | <style type="text/css">
|
|---|
| 8 | table {border-collapse:collapse; border-style:solid; border-width:2px; border-color:#A0A0A0 #000000 #000000 #A0A0A0}
|
|---|
| 9 | table {margin:1.4em 0 1.4em 1em}
|
|---|
| 10 | th {background-color:#E0EBFF; color:#900000; text-align:left}
|
|---|
| 11 | th, td {border:1px solid #808080; padding:2px 10px}
|
|---|
| 12 | tr.alt0 {background-color:#FFFFEE}
|
|---|
| 13 | tr.alt1 {background-color:#FFFFE0}
|
|---|
| 14 | </style>
|
|---|
| 15 | </head>
|
|---|
| 16 | <body>
|
|---|
| 17 | <h1>Adding new fonts and encoding support</h1>
|
|---|
| 18 | This tutorial explains how to use TrueType, OpenType and Type1 fonts so that you are not limited to
|
|---|
| 19 | the standard fonts any more. The other benefit is that you can choose the font encoding, which allows
|
|---|
| 20 | you to use other languages than the Western ones (the standard fonts having too few available characters).
|
|---|
| 21 | <br>
|
|---|
| 22 | <br>
|
|---|
| 23 | Remark: for OpenType, only the format based on TrueType is supported (not the one based on Type1).
|
|---|
| 24 | <br>
|
|---|
| 25 | <br>
|
|---|
| 26 | There are two ways to use a new font: embedding it in the PDF or not. When a font is not
|
|---|
| 27 | embedded, it is searched in the system. The advantage is that the PDF file is lighter; on the other
|
|---|
| 28 | hand, if it's not available, a substitution font is used. So it's preferable to ensure that the
|
|---|
| 29 | needed font is installed on the client systems. If the file is to be viewed by a large audience,
|
|---|
| 30 | it's highly recommended to embed.
|
|---|
| 31 | <br>
|
|---|
| 32 | <br>
|
|---|
| 33 | Adding a new font requires two steps:
|
|---|
| 34 | <ul>
|
|---|
| 35 | <li>Generation of the font definition file</li>
|
|---|
| 36 | <li>Declaration of the font in the script</li>
|
|---|
| 37 | </ul>
|
|---|
| 38 | For Type1, you need the corresponding AFM file. It's usually provided with the font.
|
|---|
| 39 |
|
|---|
| 40 | <h2>Generation of the font definition file</h2>
|
|---|
| 41 | The first step consists in generating a PHP file containing all the information needed by FPDF;
|
|---|
| 42 | in addition, the font file is compressed. To do this, a helper script is provided in the makefont
|
|---|
| 43 | directory of the package: makefont.php. It contains the following function:
|
|---|
| 44 | <br>
|
|---|
| 45 | <br>
|
|---|
| 46 | <code>MakeFont(<b>string</b> fontfile, [, <b>string</b> enc [, <b>boolean</b> embed]])</code>
|
|---|
| 47 | <dl class="param" style="margin-bottom:2em">
|
|---|
| 48 | <dt><code>fontfile</code></dt>
|
|---|
| 49 | <dd>
|
|---|
| 50 | <p>Path to the .ttf, .otf or .pfb file.</p>
|
|---|
| 51 | </dd>
|
|---|
| 52 | <dt><code>enc</code></dt>
|
|---|
| 53 | <dd>
|
|---|
| 54 | <p>Name of the encoding to use. Default value: <code>cp1252</code>.</p>
|
|---|
| 55 | </dd>
|
|---|
| 56 | <dt><code>embed</code></dt>
|
|---|
| 57 | <dd>
|
|---|
| 58 | <p>Whether to embed the font or not. Default value: <code>true</code>.</p>
|
|---|
| 59 | </dd>
|
|---|
| 60 | </dl>
|
|---|
| 61 | The first parameter is the name of the font file. The extension must be either .ttf, .otf or .pfb and
|
|---|
| 62 | determines the font type. If your Type1 font is in ASCII format (.pfa), you can convert it to binary
|
|---|
| 63 | (.pfb) with the help of <a href="http://www.lcdf.org/~eddietwo/type/#t1utils" target="_blank">t1utils</a>.
|
|---|
| 64 | <br>
|
|---|
| 65 | <br>
|
|---|
| 66 | For Type1 fonts, the corresponding .afm file must be present in the same directory.
|
|---|
| 67 | <br>
|
|---|
| 68 | <br>
|
|---|
| 69 | The encoding defines the association between a code (from 0 to 255) and a character. The first 128 are
|
|---|
| 70 | always the same and correspond to ASCII; the following are variable. Encodings are stored in .map
|
|---|
| 71 | files. The available ones are:
|
|---|
| 72 | <ul>
|
|---|
| 73 | <li>cp1250 (Central Europe)</li>
|
|---|
| 74 | <li>cp1251 (Cyrillic)</li>
|
|---|
| 75 | <li>cp1252 (Western Europe)</li>
|
|---|
| 76 | <li>cp1253 (Greek)</li>
|
|---|
| 77 | <li>cp1254 (Turkish)</li>
|
|---|
| 78 | <li>cp1255 (Hebrew)</li>
|
|---|
| 79 | <li>cp1257 (Baltic)</li>
|
|---|
| 80 | <li>cp1258 (Vietnamese)</li>
|
|---|
| 81 | <li>cp874 (Thai)</li>
|
|---|
| 82 | <li>ISO-8859-1 (Western Europe)</li>
|
|---|
| 83 | <li>ISO-8859-2 (Central Europe)</li>
|
|---|
| 84 | <li>ISO-8859-4 (Baltic)</li>
|
|---|
| 85 | <li>ISO-8859-5 (Cyrillic)</li>
|
|---|
| 86 | <li>ISO-8859-7 (Greek)</li>
|
|---|
| 87 | <li>ISO-8859-9 (Turkish)</li>
|
|---|
| 88 | <li>ISO-8859-11 (Thai)</li>
|
|---|
| 89 | <li>ISO-8859-15 (Western Europe)</li>
|
|---|
| 90 | <li>ISO-8859-16 (Central Europe)</li>
|
|---|
| 91 | <li>KOI8-R (Russian)</li>
|
|---|
| 92 | <li>KOI8-U (Ukrainian)</li>
|
|---|
| 93 | </ul>
|
|---|
| 94 | Of course, the font must contain the characters corresponding to the chosen encoding.
|
|---|
| 95 | <br>
|
|---|
| 96 | <br>
|
|---|
| 97 | Remark: the standard fonts use cp1252.
|
|---|
| 98 | <br>
|
|---|
| 99 | <br>
|
|---|
| 100 | After you have called the function (create a new file for this and include makefont.php), a .php file
|
|---|
| 101 | is created, with the same name as the font file. You may rename it if you wish. If the case of embedding,
|
|---|
| 102 | the font file is compressed and gives a second file with .z as extension (except if the compression
|
|---|
| 103 | function is not available, it requires Zlib). You may rename it too, but in this case you have to change
|
|---|
| 104 | the variable <code>$file</code> in the .php file accordingly.
|
|---|
| 105 | <br>
|
|---|
| 106 | <br>
|
|---|
| 107 | Example:
|
|---|
| 108 | <div class="source">
|
|---|
| 109 | <pre><code><?php
|
|---|
| 110 | <span class="kw">require(</span><span class="str">'makefont/makefont.php'</span><span class="kw">);
|
|---|
| 111 |
|
|---|
| 112 | </span>MakeFont<span class="kw">(</span><span class="str">'c:\\Windows\\Fonts\\comic.ttf'</span><span class="kw">,</span><span class="str">'cp1252'</span><span class="kw">);
|
|---|
| 113 | </span>?></code></pre>
|
|---|
| 114 | </div>
|
|---|
| 115 | which gives the files comic.php and comic.z.
|
|---|
| 116 | <br>
|
|---|
| 117 | <br>
|
|---|
| 118 | Then copy the generated files to the font directory. If the font file could not be compressed, copy
|
|---|
| 119 | it directly instead of the .z version.
|
|---|
| 120 | <br>
|
|---|
| 121 | <br>
|
|---|
| 122 | Another way to call MakeFont() is through the command line:
|
|---|
| 123 | <br>
|
|---|
| 124 | <br>
|
|---|
| 125 | <kbd>php makefont\makefont.php c:\Windows\Fonts\comic.ttf cp1252</kbd>
|
|---|
| 126 | <br>
|
|---|
| 127 | <br>
|
|---|
| 128 | Finally, for TrueType and OpenType fonts, you can also generate the files
|
|---|
| 129 | <a href="http://www.fpdf.org/makefont/">online</a> instead of doing it manually.
|
|---|
| 130 |
|
|---|
| 131 | <h2>Declaration of the font in the script</h2>
|
|---|
| 132 | The second step is simple. You just need to call the <a href='../doc/addfont.htm'>AddFont()</a> method:
|
|---|
| 133 | <div class="source">
|
|---|
| 134 | <pre><code>$pdf<span class="kw">-></span>AddFont<span class="kw">(</span><span class="str">'Comic'</span><span class="kw">,</span><span class="str">''</span><span class="kw">,</span><span class="str">'comic.php'</span><span class="kw">);
|
|---|
| 135 | </span></code></pre>
|
|---|
| 136 | </div>
|
|---|
| 137 | And the font is now available (in regular and underlined styles), usable like the others. If we
|
|---|
| 138 | had worked with Comic Sans MS Bold (comicbd.ttf), we would have written:
|
|---|
| 139 | <div class="source">
|
|---|
| 140 | <pre><code>$pdf<span class="kw">-></span>AddFont<span class="kw">(</span><span class="str">'Comic'</span><span class="kw">,</span><span class="str">'B'</span><span class="kw">,</span><span class="str">'comicbd.php'</span><span class="kw">);
|
|---|
| 141 | </span></code></pre>
|
|---|
| 142 | </div>
|
|---|
| 143 |
|
|---|
| 144 | <h2>Example</h2>
|
|---|
| 145 | Let's now see a complete example. We will use the font <a href="http://www.abstractfonts.com/font/52" target="_blank">Calligrapher</a>.
|
|---|
| 146 | The first step is the generation of the font files:
|
|---|
| 147 | <div class="source">
|
|---|
| 148 | <pre><code><?php
|
|---|
| 149 | <span class="kw">require(</span><span class="str">'makefont/makefont.php'</span><span class="kw">);
|
|---|
| 150 |
|
|---|
| 151 | </span>MakeFont<span class="kw">(</span><span class="str">'calligra.ttf'</span><span class="kw">,</span><span class="str">'cp1252'</span><span class="kw">);
|
|---|
| 152 | </span>?></code></pre>
|
|---|
| 153 | </div>
|
|---|
| 154 | The script gives the following report:
|
|---|
| 155 | <br>
|
|---|
| 156 | <br>
|
|---|
| 157 | <b>Warning:</b> character Euro is missing<br>
|
|---|
| 158 | <b>Warning:</b> character zcaron is missing<br>
|
|---|
| 159 | Font file compressed: calligra.z<br>
|
|---|
| 160 | Font definition file generated: calligra.php<br>
|
|---|
| 161 | <br>
|
|---|
| 162 | The euro character is not present in the font (it's too old). Another character is missing too.
|
|---|
| 163 | <br>
|
|---|
| 164 | <br>
|
|---|
| 165 | Alternatively we could have used the command line:
|
|---|
| 166 | <br>
|
|---|
| 167 | <br>
|
|---|
| 168 | <kbd>php makefont\makefont.php calligra.ttf cp1252</kbd>
|
|---|
| 169 | <br>
|
|---|
| 170 | <br>
|
|---|
| 171 | or used the online generator.
|
|---|
| 172 | <br>
|
|---|
| 173 | <br>
|
|---|
| 174 | We can now copy the two generated files to the font directory and write the script:
|
|---|
| 175 | <div class="source">
|
|---|
| 176 | <pre><code><?php
|
|---|
| 177 | <span class="kw">require(</span><span class="str">'fpdf.php'</span><span class="kw">);
|
|---|
| 178 |
|
|---|
| 179 | </span>$pdf <span class="kw">= new </span>FPDF<span class="kw">();
|
|---|
| 180 | </span>$pdf<span class="kw">-></span>AddFont<span class="kw">(</span><span class="str">'Calligrapher'</span><span class="kw">,</span><span class="str">''</span><span class="kw">,</span><span class="str">'calligra.php'</span><span class="kw">);
|
|---|
| 181 | </span>$pdf<span class="kw">-></span>AddPage<span class="kw">();
|
|---|
| 182 | </span>$pdf<span class="kw">-></span>SetFont<span class="kw">(</span><span class="str">'Calligrapher'</span><span class="kw">,</span><span class="str">''</span><span class="kw">,</span>35<span class="kw">);
|
|---|
| 183 | </span>$pdf<span class="kw">-></span>Write<span class="kw">(</span>10<span class="kw">,</span><span class="str">'Enjoy new fonts with FPDF!'</span><span class="kw">);
|
|---|
| 184 | </span>$pdf<span class="kw">-></span>Output<span class="kw">();
|
|---|
| 185 | </span>?></code></pre>
|
|---|
| 186 | </div>
|
|---|
| 187 | <p class='demo'><a href='tuto7.php' target='_blank' class='demo'>[Demo]</a></p>
|
|---|
| 188 |
|
|---|
| 189 | <h2>About the euro symbol</h2>
|
|---|
| 190 | The euro character is not present in all encodings, and is not always placed at the same position:
|
|---|
| 191 | <table>
|
|---|
| 192 | <tr><th>Encoding</th><th>Position</th></tr>
|
|---|
| 193 | <tr class="alt0"><td>cp1250</td><td>128</td></tr>
|
|---|
| 194 | <tr class="alt1"><td>cp1251</td><td>136</td></tr>
|
|---|
| 195 | <tr class="alt0"><td>cp1252</td><td>128</td></tr>
|
|---|
| 196 | <tr class="alt1"><td>cp1253</td><td>128</td></tr>
|
|---|
| 197 | <tr class="alt0"><td>cp1254</td><td>128</td></tr>
|
|---|
| 198 | <tr class="alt1"><td>cp1255</td><td>128</td></tr>
|
|---|
| 199 | <tr class="alt0"><td>cp1257</td><td>128</td></tr>
|
|---|
| 200 | <tr class="alt1"><td>cp1258</td><td>128</td></tr>
|
|---|
| 201 | <tr class="alt0"><td>cp874</td><td>128</td></tr>
|
|---|
| 202 | <tr class="alt1"><td>ISO-8859-1</td><td>N/A</td></tr>
|
|---|
| 203 | <tr class="alt0"><td>ISO-8859-2</td><td>N/A</td></tr>
|
|---|
| 204 | <tr class="alt1"><td>ISO-8859-4</td><td>N/A</td></tr>
|
|---|
| 205 | <tr class="alt0"><td>ISO-8859-5</td><td>N/A</td></tr>
|
|---|
| 206 | <tr class="alt1"><td>ISO-8859-7</td><td>N/A</td></tr>
|
|---|
| 207 | <tr class="alt0"><td>ISO-8859-9</td><td>N/A</td></tr>
|
|---|
| 208 | <tr class="alt1"><td>ISO-8859-11</td><td>N/A</td></tr>
|
|---|
| 209 | <tr class="alt0"><td>ISO-8859-15</td><td>164</td></tr>
|
|---|
| 210 | <tr class="alt1"><td>ISO-8859-16</td><td>164</td></tr>
|
|---|
| 211 | <tr class="alt0"><td>KOI8-R</td><td>N/A</td></tr>
|
|---|
| 212 | <tr class="alt1"><td>KOI8-U</td><td>N/A</td></tr>
|
|---|
| 213 | </table>
|
|---|
| 214 | ISO-8859-1 is widespread but does not include the euro sign. If you need it, the simplest thing
|
|---|
| 215 | to do is to use cp1252 or ISO-8859-15 instead, which are nearly identical but contain the precious
|
|---|
| 216 | symbol.
|
|---|
| 217 |
|
|---|
| 218 | <h2>Reducing the size of TrueType fonts</h2>
|
|---|
| 219 | Font files are often quite voluminous; this is due to the fact that they contain the characters
|
|---|
| 220 | corresponding to many encodings. Zlib compression reduces them but they remain fairly big. A
|
|---|
| 221 | technique exists to reduce them further. It consists in converting the font to the Type1 format
|
|---|
| 222 | with <a href="http://ttf2pt1.sourceforge.net" target="_blank">ttf2pt1</a> (the Windows binary is
|
|---|
| 223 | available <a href="http://www.fpdf.org/fr/dl.php?id=22">here</a>) while specifying the encoding
|
|---|
| 224 | you are interested in; all other characters will be discarded.
|
|---|
| 225 | <br>
|
|---|
| 226 | For example, the arial.ttf font that ships with Windows Vista weights 748 KB (it contains 3381 characters).
|
|---|
| 227 | After compression it drops to 411. Let's convert it to Type1 by keeping only cp1250 characters:
|
|---|
| 228 | <br>
|
|---|
| 229 | <br>
|
|---|
| 230 | <kbd>ttf2pt1 -b -L cp1250.map c:\Windows\Fonts\arial.ttf arial</kbd>
|
|---|
| 231 | <br>
|
|---|
| 232 | <br>
|
|---|
| 233 | The .map files are located in the makefont directory of the package. The command produces
|
|---|
| 234 | arial.pfb and arial.afm. The arial.pfb file weights only 57 KB, and 53 after compression.
|
|---|
| 235 | <br>
|
|---|
| 236 | <br>
|
|---|
| 237 | It's possible to go even further. If you are interested only by a subset of the encoding (you
|
|---|
| 238 | probably don't need all 217 characters), you can open the .map file and remove the lines you are
|
|---|
| 239 | not interested in. This will reduce the file size accordingly.
|
|---|
| 240 | </body>
|
|---|
| 241 | </html>
|
|---|
