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[Devel] Re: FIXED: viewing problems with CFF fonts
From: |
Tom Kacvinsky |
Subject: |
[Devel] Re: FIXED: viewing problems with CFF fonts |
Date: |
Wed, 29 Nov 2000 22:19:07 -0500 (EST) |
I guess I need to find out FreeType's notion of descender (positive, or
negative?).
If it is supposed to be positive, then we should have:
/* make sure the descender is a positive number */
root->descender = (FT_Short)root->bbox.yMin;
if ( root->descender < 0 )
root->descender = -root->descender;
And then
root->height = ( ( root->ascender + root->descender ) * 12 ) / 10;
Tom
On Wed, 29 Nov 2000, Keith Packard wrote:
>
> > root->descender = (FT_Short)root->bbox.yMin;
> > + root->height = ( ( root->ascender - root->descender ) * 12 )
> > / 10;
>
> Shouldn't that be:
>
> root->descender = -(FT_Short)root->bbox.yMin;
> root->height = ( ( root->ascender + root->descender ) * 12 ) /
> 10;
>
> In my experience, descent measures the distance from the baseline to the
> bottom of the glyph and is positive for glyphs which extend below the
> baseline. Of course, I don't understand the context of this code and may
> be completely off base.
>
- RE: [Devel] Problem with caching and CFF fonts [was: pure CFF fon ts and advanced widths], Blinn, Eric W, 2000/11/28
- [Devel] Re: Problem with caching and CFF fonts, Tom Kacvinsky, 2000/11/28
- [Devel] Re: Problem with caching and CFF fonts, Tom Kacvinsky, 2000/11/29
- [Devel] FIXED: viewing problems with CFF fonts, Tom Kacvinsky, 2000/11/29
- Re: [Devel] FIXED: viewing problems with CFF fonts, Keith Packard, 2000/11/29
- [Devel] Re: FIXED: viewing problems with CFF fonts,
Tom Kacvinsky <=
- Re: [Devel] Re: FIXED: viewing problems with CFF fonts, Werner LEMBERG, 2000/11/30
- Re: [Devel] Re: FIXED: viewing problems with CFF fonts, Keith Packard, 2000/11/30
- Re: [Devel] Re: FIXED: viewing problems with CFF fonts, Werner LEMBERG, 2000/11/30
- Re: [Devel] FIXED: viewing problems with CFF fonts, Werner LEMBERG, 2000/11/30
- [Devel] Re: FIXED: viewing problems with CFF fonts, Tom Kacvinsky, 2000/11/30