Re: [ft] Text outline rendering

[Wojciech Mamrak]

Yes, that is the purpose of advance.

And again yes.

2013/6/18 Yves Daoust <address@hidden>:
> Regarding spacing, do you mean that the 'advance' parameter takes care of
> that ?
>
> From your explanations and from what I see in the tutorial / manual, I
> understand that I need to work glyph by glyph. (No problem for me, I just
> wanted to know.)
>
> Thanks,
>
>         Yves
>
> -----Original Message-----
> From: address@hidden [mailto:address@hidden On Behalf Of Wojciech
> Mamrak
> Sent: Tuesday, June 18, 2013 12:53 PM
> To: Yves Daoust
> Cc: suzuki toshiya; address@hidden
> Subject: Re: [ft] Text outline rendering
>
>> There are the issues of spacing, alignment, ASCII code to glyph number...
> Is that also built-in ?
>
> The latter is (ASCII is the subset of Unicode, and Unicode charmap is
> default in FT), so basically you don't have to worry about anything.
> If you had to deal with some Unicode encoded string (like UTF8), then you
> would have to extract each charcode/code point at first.
> If by spacing you mean advancing from one character to another, then yes as
> well.
> Yet with text alignment you will have to deal by yourself or use some other
> library.
>
> 2013/6/18 Yves Daoust <address@hidden>:
>>
>>
>> Suzuki,
>>
>>
>>
>> Thank you for the quick answer.
>>
>>
>>
>> FT_Outline_Decompose seems to be exactly what I need. Actually, I deal
>> with the FXG file format, a close relative to SVG. But I do process
>> the curves before saving them.
>>
>>
>>
>> Now I assume I have to code the generation of the outlines from the
>> given string. There are the issues of spacing, alignment, ASCII code
>> to glyph number... Is that also built-in ?
>>
>>
>>
>> If your code shows how to accomplish that, for sure I'd be glad to
>> look at it.
>>
>>
>>
>>                 Yves
>>
>>
>>
>> -----Original Message-----
>> From: address@hidden
>> [mailto:address@hidden On
>> Behalf Of suzuki toshiya
>> Sent: Tuesday, June 18, 2013 11:28 AM
>> To: address@hidden
>> Subject: Re: [ft] Text outline rendering
>>
>>
>>
>> Hi Yves,
>>
>>
>>
>> To retrieve the vector data from TTF via FreeType2,
>> FT_Outline_Decompose() function would be useful. Giving a function
>> pointer table calling the functions to move currentpoint, or to draw
>> straight, cubic or conic curves,
>>
>> FT_Outline_Decompose()
>>
>> calls them to trace the vector data in the "outline" member in glyph slot.
>>
>>
>>
>> I've ever written a small sample making SVG by calling
>> FT_Outline_Decompose().
>>
>> If you want, I will send it.
>>
>>
>>
>> Regards,
>>
>> mpsuzuki
>>
>>
>>
>> On 06/18/2013 06:05 PM, Yves Daoust wrote:
>>
>>>                  Hi All,
>>
>>>
>>
>>> I am new to FreeType.
>>
>>>
>>
>>> I am involved in a project where text needs to be rendered in vector
> form.
>>> I mean I have text strings, font information (TTF), possible
>>> geometric transforms, and I need to generate the corresponding
>>> outlines in vector form (sequences of Bezier arcs, so just lists of
>>> control point coordinates; I don't need the rendered bitmap).
>>
>>>
>>
>>> After a first search in the documentation, I am convinced that all
>>> the required machinery is there but I want to be sure this is
>>> feasible. If yes, where can I start ?
>>
>>>
>>
>>> Regards,
>>
>>>
>>
>>>                  Yves Daoust
>>
>>>
>>
>>>
>>
>>>
>>
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>>
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>>
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>>
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>>>
>>
>>
>>
>>
>>
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