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ttf2eot

Author: taviso@sdf.lonestar.org 15-Mar-2009 License: Derived from WebKit, so BSD/LGPL 2/LGPL 2.1.

this is a copy of the https://code.google.com/p/ttf2eot/ repository

Convert TrueType Fonts (TTF) to EOT (Embedded OpenType)

Very quick commandline wrapper around OpenTypeUtilities.cpp from Chromium, used to make EOT (Embeddable Open Type) files from TTF (TrueType/OpenType Font) files. This is the format TTLoadEmbeddedFont() accepts, which is what Internet Explorer uses for css @font-face declarations.

I've only tested this on Linux.

EOT was documented by Microsoft here: http://www.w3.org/Submission/2008/SUBM-EOT-20080305/

TTLoadEmbeddedFont is described here: http://msdn.microsoft.com/en-us/library/dd145155(VS.85).aspx

Chromium: http://src.chromium.org/viewvc/chrome/trunk/deps/third_party/WebKit/WebCore/platform/graphics/win/OpenTypeUtilities.cpp?view=log&pathrev=7591

To build:

    $ make

To install:

    $ make install

Usage:

    $ ./ttf2eot < input.ttf > output.eot

Details

First create the output file

    $ ttf2eot < input.ttf > output.eot

If that worked, you can specify the file in your CSS.

    <style>
    @font-face { 
        font-family: "testing";
        src: url("output.eot");
    }
    </style>
    <div style="font-family: testing">
    Hello, World!
    </div>

Only IE understands this format, other browsers (Safari 3.x, Firefox 3.1.x, Chrome 2.x) are likely to adopt src: url("foo.ttf") format("truetype") instead.

You can use conditional comments to specify both formats, simply provide the font in both EOT and TTF format, then use conditional comments to make IE see the EOT version.

    <style>
    @font-face { 
        font-family: "testing";
        src: url("output.ttf") format("truetype");
    }
    </style>
    <!--[if IE]>
        <style>
        @font-face { 
            font-family: "testing";
            src: url("output.eot");
        }
        </style>
    <![endif]-->
    <div style="font-family: testing">
    Hello, Multiple Browser World!
    </div>

This should work in IE6, IE7, IE8, Safari 3/4 and Firefox 3.1+

Note for Windows Users If you're a Windows user - this is probably not what you're looking for.

You will probably feel more comfortable using "WEFT", Microsoft's own utility for handling EOT. ttf2eot is primarily for UNIX users who want to make font embedding work for IE without using Microsoft software.

However, if you're certain you do wish to use ttf2eot, ~~a command line windows binary is provided.~~~ (sorry folks you have to compile as well) It is used like so:

    C:\>ttf2eot.exe c:\windows\fonts\arial.ttf c:\output.eot

    C:\>dir output.eot
     Volume in drive C has no label.
     Volume Serial Number is E4EC-5386

    Directory of C:\

    30/04/2009  21:41           367,270 output.eot
                   1 File(s)        367,270 bytes
                   0 Dir(s)  51,782,295,552 bytes free

    C:\>

Please note, It is unlikely the author will be able to help with Windows related questions.

Keywords for anyone having as much pain as me finding a utility to do this on Linux:

covert eot to ttf
eot converter
wtf is an eot file

TODO: MTX support?