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List:       freetype
Subject:    Re: [ft] Outline questions
From:       Michele Petrazzo <michele.petrazzo () unipex ! it>
Date:       2005-08-12 8:38:39
Message-ID: 42FC600F.1080604 () unipex ! it
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Chia I Wu wrote:
> On Thu, Aug 11, 2005 at 09:21:27AM +0200, Michele Petrazzo wrote:
> 
>>Hello list,
>>with some code that I found on this list :), I retrieve a character
>>glyph outline's (for now a simple "I" into Arial font).
>>All work well, but I have two questions:
>>
>>with this code [1], I see that freetype say me:
>>
>> outline 0 from point 0 to point 3
>> point 0  x 384 y 0
>> point 1  x 832 y 0
>> point 2  x 832 y 2296
>> point 3  x 384 y 2296
>> outline 1 from point 4 to point 0
>> outline 2 from point 1 to point 0
>> outline 3 from point 1 to point 0
>>
>>so, what outline 1,2,3 are saying me? what is the point 4 (outline 1)?
>>What is the right method for read those informations? (is this are the
>>right method for read and talk to outlines :) )
> 
> Every contour is a closed curve.  The last point of the n-th contour is
> recorded in outline.contour[n] and following it, comes the first point
> of this contour (to form a closed curve).  The (n+1)-th contour begins
> at outline.contour[n] + 1.
> 
> As for the code, you should use outline.n_contours in the outer `for'. I
> don't know if the rest is correct or not, but with the understanding of
> a contour, it should not be too hard to correct it, if there is any.
> 

I'll try.
Thanks,

Michele


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