131 lines
6.8 KiB
Plaintext
131 lines
6.8 KiB
Plaintext
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TCPDF Fonts
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TCPDF supports TrueTypeUnicode (UTF-8 Unicode), OpenTypeUnicode, TrueType, OpenType, Type1, CID-0 and Core (standard) fonts.
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There are two ways to use a new font: embedding it in the PDF or not. When a font is not embedded, it is searched in the system. The advantage is that the PDF file is lighter; on the other hand, if it is not available, a substitution font is used. So it is preferable to ensure that the needed font is installed on the client systems. If the file is to be viewed by a large audience, it is recommended to embed.
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The fonts that could be not embedded are only the standard core fonts and CID-0 fonts.
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The PDF Core (standard) fonts are:
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* courier : Courier
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* courierb : Courier Bold
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* courierbi : Courier Bold Italic
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* courieri : Courier Italic
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* helvetica : Helvetica
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* helveticab : Helvetica Bold
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* helveticabi : Helvetica Bold Italic
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* helveticai : Helvetica Italic
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* symbol : Symbol
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* times : Times New Roman
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* timesb : Times New Roman Bold
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* timesbi : Times New Roman Bold Italic
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* timesi : Times New Roman Italic
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* zapfdingbats : Zapf Dingbats
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Setting up a font for usage with TCPDF requires the following steps:
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1. Convert all font filenames to lowercase and rename using the following schema:
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* [basic-font-name-in-lowercase].ttf for regular font
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* [basic-font-name-in-lowercase]b.ttf for bold variation
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* [basic-font-name-in-lowercase]i.ttf for oblique variation
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* [basic-font-name-in-lowercase]bi.ttf for bold oblique variation
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2. Generate the font's metrics file.
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* For Type1 font files this first step is not necessary because the AFM file is usually shipped with the font. In case you have only a metric file in PFM format, use the pfm2afm utility (fonts/utils/pfm2afm) to get the AFM file. If you own a Type1 font in ASCII format (.pfa), you can convert it to binary format with Type 1 utilities.
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* For TrueTypeUnicode or TrueType font files, use the the provided ttf2ufm utility (fonts/utils/ttf2ufm):
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$ ttf2ufm -a -F myfont.ttf
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* For OpenTypeUnicode or OpenType font files, use the the provided ttf2ufm utility (fonts/utils/ttf2ufm):
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$ ttf2ufm -a -F myfont.otf
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3. Run makefont.php script.
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* For TrueTypeUnicode:
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$ php -q makefont.php myfont.ttf myfont.ufm
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* For OpenTypeUnicode:
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$ php -q makefont.php myfont.otf myfont.ufm
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* For TrueType:
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$ php -q makefont.php myfont.ttf myfont.afm
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* For OpenType:
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$ php -q makefont.php myfont.otf myfont.afm
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* For Type1:
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$ php -q makefont.php myfont.pfb myfont.afm
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You may also specify additional parameters:
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MakeFont(string $fontfile, string $fmfile [, boolean $embedded [, $enc="cp1252" [, $patch=array()]]])
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* $fontfile : Path to the .ttf or .pfb file.
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* $fmfile : Path to the .afm file for Type1 and TrueType or .ufm for TrueTypeUnicode.
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* $embedded : Set to false to not embed the font, true otherwise (default).
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* $enc : Name of the encoding table to use. Default value: cp1252. Omit this parameter for TrueType Unicode, OpenType Unicode and symbolic fonts like Symbol or ZapfDingBats. The encoding defines the association between a code (from 0 to 255) and a character. The first 128 are fixed and correspond to ASCII. The encodings are stored in .map files. Those available are:
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o cp1250 (Central Europe)
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o cp1251 (Cyrillic)
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o cp1252 (Western Europe)
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o cp1253 (Greek)
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o cp1254 (Turkish)
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o cp1255 (Hebrew)
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o cp1257 (Baltic)
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o cp1258 (Vietnamese)
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o cp874 (Thai)
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o iso-8859-1 (Western Europe)
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o iso-8859-2 (Central Europe)
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o iso-8859-4 (Baltic)
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o iso-8859-5 (Cyrillic)
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o iso-8859-7 (Greek)
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o iso-8859-9 (Turkish)
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o iso-8859-11 (Thai)
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o iso-8859-15 (Western Europe)
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o iso-8859-16 (Central Europe)
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o koi8-r (Russian)
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o koi8-u (Ukrainian)
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Of course, the font must contain the characters corresponding to the chosen encoding. The encodings which begin with cp are those used by Windows; Linux systems usually use ISO.
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* $patch : Optional modification of the encoding. Empty by default. This parameter gives the possibility to alter the encoding. Sometimes you may want to add some characters. For instance, ISO-8859-1 does not contain the euro symbol. To add it at position 164, pass array(164=>'Euro').
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4. Edit and copy resulting files by case:
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* For embedded fonts: copy the resulting .php, .z and .ctg.z (if available) files to the TCPDF fonts directory.
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* For not-embedding the font, edit the .php file and comment the $file entry.
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* For CID-0 fonts (not embeddeed) you have to edit the .php file:
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o change the font type to: $type='cidfont0';
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o set the default font width by adding the line: $dw=1000;
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o remove the $enc, $file and $ctg variables definitions
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o add one of the following blocks of text at the end of the file (depends by the language you are using - see the arialunicid0.php file for a working example):
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+ // Chinese Simplified
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$enc='UniCNS-UTF16-H';
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$cidinfo=array('Registry'=>'Adobe', 'Ordering'=>'CNS1','Supplement'=>0);
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include(dirname(__FILE__).'/uni2cid_ac16.php');
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+ // Chinese Traditional
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$enc='UniGB-UTF16-H';
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$cidinfo=array('Registry'=>'Adobe', 'Ordering'=>'GB1','Supplement'=>2);
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include(dirname(__FILE__).'/uni2cid_ag15.php');
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+ // Korean
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$enc='UniKS-UTF16-H';
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$cidinfo=array('Registry'=>'Adobe', 'Ordering'=>'Korea1','Supplement'=>0);
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include(dirname(__FILE__).'/uni2cid_ak12.php');
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+ // Japanese
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$enc='UniJIS-UTF16-H';
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$cidinfo=array('Registry'=>'Adobe', 'Ordering'=>'Japan1','Supplement'=>5);
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include(dirname(__FILE__).'/uni2cid_aj16.php');
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o copy the .php file to the TCPDF fonts directory.
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5. Rename php font files variations using the following schema:
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* [basic-font-name-in-lowercase].php for regular font
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* [basic-font-name-in-lowercase]b.php for bold variation
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* [basic-font-name-in-lowercase]i.php for oblique variation
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* [basic-font-name-in-lowercase]bi.php for bold oblique variation
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