129,196c129,196
< #define USAGE "Options:
< <font_name> should be a filename, possibly with a resolution, e.g.,
<   `cmr10' or `cmr10.300'.\n"						\
<   GETOPT_USAGE								\
< "align-threshold <real>: if either coordinate of the endpoints on a
<   spline is closer than this, make them the same; default is .5.
< corner-always-threshold <angle-in-degrees>: if the angle at a pixel is
<   less than this, it is considered a corner, even if it is within
<   `corner-surround' pixels of another corner; default is 60.
< corner-surround <unsigned>: number of pixels on either side of a
<   point to consider when determining if that point is a corner; default
<   is 4.
< corner-threshold <angle-in-degrees>: if a pixel, its predecessor(s),
<   and its successor(s) meet at an angle smaller than this, it's a
<   corner; default is 100.
< display-continue: do not wait for you to hit return after displaying
<   each character.
< display-grid-size <unsigned>: number of expanded pixels between the grid
<   lines; default is 10. 
< display-pixel-size <unsigned>: length of one side of the square that
<   each pixel expands into; default is 9.
< display-rectangle-size <unsigned>: length of one side of the square
<   we draw to represent pixels; default is 6.  Must be less than
<   display-pixel-size. 
< do-display: show some information in a window, online.
< dpi <unsigned>: use a resolution of <unsigned>; default is 300.
< error-threshold <real>: subdivide fitted curves that are off by
<   more pixels than this; default is 2.0.
< filter-alternative-surround <unsigned>: another choice for
<   filter-surround; default is 1.
< filter-epsilon <real>: if the angles using filter-surround and
<    filter-alternative-surround points differ by more than this, use the
<    latter; default is 10.0.
< filter-iterations <unsigned>: smooth the curve this many times
<   before fitting; default is 4.
< filter-percent <percent>: when filtering, use the old point plus this
<   much of neighbors to determine the new point; default is 33.
< filter-surround <unsigned>: number of pixels on either side of a point
<   to consider when filtering that point; default is 2.
< help: print this message.
< keep-knees: do not remove ``knees''---points on the inside of the
<   outline that are between two others.
< line-reversion-threshold <real>: if a spline is closer to a straight
<    line than this, weighted by the square of the curve length, keep it a
<    straight line even if it is a list with curves; default is .01.
< line-threshold <real>: if the spline is not more than this far away
<   from the straight line defined by its endpoints, 
<   then output a straight line; default is 1.
< log: write detailed progress reports to <font_name>.log.
< output-file <filename>: write to <filename> if it has a suffix and to
<   `<filename>.bzr' if it doesn't.  Default is `<font_name>.bzr'.
< range <char1>-<char2>: only process characters between <char1> and
<   <char2>, inclusive. 
< reparameterize-improve <percent>: if reparameterization
<   doesn't improve the fit by this much, as a percentage, stop; default
<   is 10.
< reparameterize-threshold <real>: if an initial fit is off by more
<   pixels than this, don't bother to reparameterize; default is 30.
< subdivide-search <percent>: percentage of the curve from the initial
<   guess for a subdivision point to look for a better one; default is 10.
< subdivide-surround <unsigned>: number of points on either side of a
<   point to consider when looking for a subdivision point; default is 4.
< subdivide-threshold <real>: if a point is this close or closer to a
<   straight line, subdivide there; default is .03.
< tangent-surround <unsigned>: number of points on either side of a
<   point to consider when computing the tangent at that point; default is 3.
< verbose: print brief progress reports on stderr.
< version: print the version number of this program.
---
> #define USAGE "Options:\
> <font_name> should be a filename, possibly with a resolution, e.g.,\
>   `cmr10' or `cmr10.300'.\n"\
>   GETOPT_USAGE\
> "align-threshold <real>: if either coordinate of the endpoints on a\
>   spline is closer than this, make them the same; default is .5.\
> corner-always-threshold <angle-in-degrees>: if the angle at a pixel is\
>   less than this, it is considered a corner, even if it is within\
>   `corner-surround' pixels of another corner; default is 60.\
> corner-surround <unsigned>: number of pixels on either side of a\
>   point to consider when determining if that point is a corner; default\
>   is 4.\
> corner-threshold <angle-in-degrees>: if a pixel, its predecessor(s),\
>   and its successor(s) meet at an angle smaller than this, it's a\
>   corner; default is 100.\
> display-continue: do not wait for you to hit return after displaying\
>   each character.\
> display-grid-size <unsigned>: number of expanded pixels between the grid\
>   lines; default is 10.\
> display-pixel-size <unsigned>: length of one side of the square that\
>   each pixel expands into; default is 9.\
> display-rectangle-size <unsigned>: length of one side of the square\
>   we draw to represent pixels; default is 6.  Must be less than\
>   display-pixel-size.\
> do-display: show some information in a window, online.\
> dpi <unsigned>: use a resolution of <unsigned>; default is 300.\
> error-threshold <real>: subdivide fitted curves that are off by\
>   more pixels than this; default is 2.0.\
> filter-alternative-surround <unsigned>: another choice for\
>   filter-surround; default is 1.\
> filter-epsilon <real>: if the angles using filter-surround and\
>    filter-alternative-surround points differ by more than this, use the\
>    latter; default is 10.0.\
> filter-iterations <unsigned>: smooth the curve this many times\
>   before fitting; default is 4.\
> filter-percent <percent>: when filtering, use the old point plus this\
>   much of neighbors to determine the new point; default is 33.\
> filter-surround <unsigned>: number of pixels on either side of a point\
>   to consider when filtering that point; default is 2.\
> help: print this message.\
> keep-knees: do not remove ``knees''---points on the inside of the\
>   outline that are between two others.\
> line-reversion-threshold <real>: if a spline is closer to a straight\
>    line than this, weighted by the square of the curve length, keep it a\
>    straight line even if it is a list with curves; default is .01.\
> line-threshold <real>: if the spline is not more than this far away\
>   from the straight line defined by its endpoints,\
>   then output a straight line; default is 1.\
> log: write detailed progress reports to <font_name>.log.\
> output-file <filename>: write to <filename> if it has a suffix and to\
>   `<filename>.bzr' if it doesn't.  Default is `<font_name>.bzr'.\
> range <char1>-<char2>: only process characters between <char1> and\
>   <char2>, inclusive.\
> reparameterize-improve <percent>: if reparameterization\
>   doesn't improve the fit by this much, as a percentage, stop; default\
>   is 10.\
> reparameterize-threshold <real>: if an initial fit is off by more\
>   pixels than this, don't bother to reparameterize; default is 30.\
> subdivide-search <percent>: percentage of the curve from the initial\
>   guess for a subdivision point to look for a better one; default is 10.\
> subdivide-surround <unsigned>: number of points on either side of a\
>   point to consider when looking for a subdivision point; default is 4.\
> subdivide-threshold <real>: if a point is this close or closer to a\
>   straight line, subdivide there; default is .03.\
> tangent-surround <unsigned>: number of points on either side of a\
>   point to consider when computing the tangent at that point; default is 3.\
> verbose: print brief progress reports on stderr.\
> version: print the version number of this program.\