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author | tcit <tcit@tcit.fr> | 2014-09-27 19:34:17 +0200 |
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committer | tcit <tcit@tcit.fr> | 2014-09-27 19:34:17 +0200 |
commit | 824f8c45edb20e27221e92805b0090f1768a2756 (patch) | |
tree | 8563a41cc27619347c851b3a06285bf2474b69dd /inc/3rdparty/libraries/mpdf/README.txt | |
parent | d4690a8fa18c27c6d98c1c76ac1d1d2c35a1ebbb (diff) | |
download | wallabag-824f8c45edb20e27221e92805b0090f1768a2756.tar.gz wallabag-824f8c45edb20e27221e92805b0090f1768a2756.tar.zst wallabag-824f8c45edb20e27221e92805b0090f1768a2756.zip |
changed mpdf with tcpdf
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1 | Installation | ||
2 | ============ | ||
3 | * Download the .zip file and unzip it | ||
4 | * Create a folder e.g. /mpdf on your server | ||
5 | * Upload all of the files to the server, maintaining the folders as they are | ||
6 | * Ensure that you have write permissions set (CHMOD 6xx or 7xx) for the following folders: | ||
7 | /ttfontdata/ - used to cache font data; improves performance a lot | ||
8 | /tmp/ - used for some images and ProgressBar | ||
9 | /graph_cache/ - if you are using JpGraph in conjunction with mPDF | ||
10 | |||
11 | To test the installation, point your browser to the basic example file : [path_to_mpdf_folder]/mpdf/examples/example_basic.php | ||
12 | |||
13 | If you wish to define a different folder for temporary files rather than /tmp/ see the note on 'Folder for temporary files' in | ||
14 | the section on Installation & Setup in the manual (http://mpdf1.com/manual/). | ||
15 | |||
16 | If you have problems, please read the section on troubleshooting in the manual. | ||
17 | |||
18 | |||
19 | Fonts | ||
20 | ===== | ||
21 | I will refer to font names in 2 ways: | ||
22 | "CSS font-family name" - mPDF is designed primarily to read HTML and CSS. This is the name used in CSS e.g. | ||
23 | <p style="font-family: 'Trebuchet MS';"> | ||
24 | |||
25 | "mPDF font-family name" - the name used internally to process fonts. This could be anything you like, | ||
26 | but by default mPDF will convert CSS font-family names by removing any spaces and changing | ||
27 | to lowercase. Reading the name above, mPDF will look for a "mPDF font-family name" of | ||
28 | 'trebuchetms'. | ||
29 | |||
30 | The configurable values referred to below are set in the config_fonts.php file | ||
31 | |||
32 | When parsing HTML/CSS, mPDF will read the CSS font-family name (e.g. 'Trebuchet MS') and convert | ||
33 | by removing any spaces and changing to lowercase, to look for a mPDF font-family name (trebuchetms). | ||
34 | |||
35 | Next it will look for a translation (if set) e.g.: | ||
36 | $this->fonttrans = array( | ||
37 | 'trebuchetms' => 'trebuchet' | ||
38 | ) | ||
39 | |||
40 | Now the mPDF font-family name to be used is 'trebuchet' | ||
41 | |||
42 | If you wish to make this font available, you need to specify the Truetype .ttf font files for each variant. | ||
43 | These should be defined in the array: | ||
44 | $this->fontdata = array( | ||
45 | "trebuchet" => array( | ||
46 | 'R' => "trebuc.ttf", | ||
47 | 'B' => "trebucbd.ttf", | ||
48 | 'I' => "trebucit.ttf", | ||
49 | 'BI' => "trebucbi.ttf", | ||
50 | ) | ||
51 | ) | ||
52 | |||
53 | This is the array which determines whether a font is available to mPDF. Each font-family must have a | ||
54 | Regular ['R'] file defined - the others (bold, italic, bold-italic) are optional. | ||
55 | |||
56 | mPDF will try to load the font-file. If you have defined _MPDF_SYSTEM_TTFONTS at the top of the | ||
57 | config_fonts.php file, it will first look for the font-file there. This is useful if you are running | ||
58 | mPDF on a computer which already has a folder with TTF fonts in (e.g. on Windows) | ||
59 | |||
60 | If the font-file is not there, or _MPDF_SYSTEM_TTFONTS is not defined, mPDF will look in the folder | ||
61 | /[your_path_to_mpdf]/ttfonts/ | ||
62 | |||
63 | Note that the font-file names are case-sensitive and can contain capitals. | ||
64 | |||
65 | If the folder /ttfontdata/ is writeable (CHMOD 644 or 755), mPDF will save files there which it can | ||
66 | re-use next time it accesses a particular font. This will significantly improve processing time | ||
67 | and is strongly recommended. | ||
68 | |||
69 | mPDF should be able to read most TrueType Unicode font files with a .ttf extension | ||
70 | Truetype fonts with .ttf extension that are OpenType also work OK. | ||
71 | TrueType collections (.ttc) will also work if they contain TrueType Unicode fonts. | ||
72 | |||
73 | |||
74 | Character substitution | ||
75 | ---------------------- | ||
76 | Most people will have access to a Pan-Unicode font with most Unicode characters in it such as | ||
77 | Arial Unicode MS. Set $this->backupSubsFont = array('arialunicodems'); at the top of the config_fonts.php file | ||
78 | to use this font when substituting any characters not found in the specific font being used. | ||
79 | |||
80 | Example: | ||
81 | You can set $mpdf->useSubstitutions = true; at runtime | ||
82 | or $this->useSubstitutions = true; in the config.php file | ||
83 | |||
84 | <p style="font-family: 'Comic Sans MS'">This text contains a Thai character ม which does not exist | ||
85 | in the Comic Sans MS font file</p> | ||
86 | |||
87 | When useSubstitutions is true, mPDF will try to find substitutions for any missing characters: | ||
88 | 1) firstly looks if the character is available in the inbuilt Symbols or ZapfDingbats fonts; | ||
89 | 2) [If defined] looks in each of the the font(s) set by $this->backupSubsFont array | ||
90 | |||
91 | NB There is an increase in processing time when using substitutions, and even more so if | ||
92 | a backupSubsFont is defined. | ||
93 | |||
94 | Controlling mPDF mode | ||
95 | ===================== | ||
96 | The first parameter of new mPDF('') works as follows: | ||
97 | new mPDF('c') - forces mPDF to only use the built-in [c]ore Adobe fonts (Helvetica, Times etc) | ||
98 | |||
99 | new mPDF('') - default - font subsetting behaviour is determined by the configurable variables | ||
100 | $this->maxTTFFilesize and $this->percentSubset (see below) | ||
101 | Default values are set so that: 1) very large font files are always subset | ||
102 | 2) Fonts are embedded as subsets if < 30% of the characters are used | ||
103 | |||
104 | new mPDF('..-x') - used together with a language or language/country code, this will cause | ||
105 | mPDF to use only in-built core fonts (Helvetica, Times) if the language specified is appropiate; | ||
106 | otherwise it will force subsetting (equivalent to using "") | ||
107 | e.g. new mPDF('de-x') or new mPDF('pt-BR-x') will use in-built core fonts | ||
108 | and new mPDF('ru-x') will use subsets of any available TrueType fonts | ||
109 | The languages that use core fonts are defined in config_cp.php (using the value $coreSuitable). | ||
110 | |||
111 | new mPDF('..+aCJK') new mPDF('+aCJK') | ||
112 | new mPDF('..-aCJK') new mPDF('-aCJK') | ||
113 | - used optionally together with a language or language/country code, +aCJK will force mPDF | ||
114 | to use the Adobe non-embedded CJK fonts when a passage is marked with e.g. "lang: ja" | ||
115 | This can be used at runtime to override the value set for $mpdf->useAdobeCJK in config.php | ||
116 | Use in conjunction with settings in config_cp.php | ||
117 | |||
118 | For backwards compatibility, new mPDF('-s') and new mPDF('s') will force subsetting by | ||
119 | setting $this->percentSubset=100 (see below) | ||
120 | new mPDF('utf-8-s') and new mPDF('ar-s') are also recognised | ||
121 | |||
122 | Language/Country (ll-cc) | ||
123 | ------------------------ | ||
124 | You can use a language code ('en') or language/country code ('en-GB') to control which | ||
125 | mode/fonts are used. The behaviour is set up in config_cp.php file. | ||
126 | The default settings show some of the things you can do: | ||
127 | new mPDF('de') - as German is a Western European langauge, it is suitable to use the Adobe core fonts. | ||
128 | Using 'de' alone will do nothing, but if you use ('de-x'), this will use core fonts. | ||
129 | new mPDF('th') - many fonts do not contain the characters necessary for Thai script. The value $unifonts | ||
130 | defines a restricted list of fonts available for mPDF to use. | ||
131 | |||
132 | NB <html dir="rtl"> or <body dir="rtl"> are supported. | ||
133 | |||
134 | |||
135 | |||
136 | Configuration variables changed | ||
137 | =============================== | ||
138 | Configuration variables are documented in the on-line manual (http://mpdf1.com/manual/). | ||
139 | |||
140 | |||
141 | Font folders | ||
142 | ============ | ||
143 | If you wish to define your own font file folders (perhaps to share), | ||
144 | you can define the 2 constants in your script before including the mpdf.php script e.g.: | ||
145 | |||
146 | define('_MPDF_TTFONTPATH','your_path/ttfonts/'); | ||
147 | define('_MPDF_TTFONTDATAPATH','your_path/ttfontdata/'); // should be writeable | ||
148 | |||