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Diffstat (limited to 'Master/texmf-dist/fonts/source/public/xypic/xycirc10.mf')
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diff --git a/Master/texmf-dist/fonts/source/public/xypic/xycirc10.mf b/Master/texmf-dist/fonts/source/public/xypic/xycirc10.mf new file mode 100644 index 00000000000..eb9f06feeb7 --- /dev/null +++ b/Master/texmf-dist/fonts/source/public/xypic/xycirc10.mf @@ -0,0 +1,172 @@ +% $Id: xycirc10.mf,v 3.11 2010/07/06 21:49:55 krisrose Exp $ +% +% XYCIRC10: 1/8 circles with varying radii for Xy-pic at 10 point. +% Copyright (c) 1992,2010 Kristoffer H. Rose <krisrose@tug.org> +% 2010 Daniel Müllner <http://www.math.uni-bonn.de/people/muellner> +% +% This file is part of the Xy-pic macro package. +% +% The Xy-pic macro package is free software; you can redistribute it and/or +% modify it under the terms of the GNU General Public License as published by +% the Free Software Foundation; either version 2 of the License, or (at your +% option) any later version. +% +% The Xy-pic macro package is distributed in the hope that it will be +% useful, but WITHOUT ANY WARRANTY; without even the implied warranty of +% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General +% Public License for more details. +% +% You should have received a copy of the GNU General Public License along +% with this macro package; if not, see http://www.gnu.org/licenses/. +% +% As a special exception, you may use this file and all files derived +% from it without restriction. This special exception was added with +% version 3.7 of Xy-pic. +% _________________________________________________________________________ +% +% CONTENTS: 1/8 circles with radii from 1 to 32pt dissected into the 1/8 +% circle segments shown below +% 6 5 +% ....... _ +% 7 .. | .. 4 | +% : | | | : | radius +% : | | | : | +% Reference point ---> ___:__|___|___|__:_____| +% : | | | : +% : | | | : +% 0 .! | !. 3 +% ...|... +% 1 2 +% +% such that each group of 8 characters cc+0 to cc+7 constitute a full circle +% with the given radius when typeset on the same baseline (as shown). +% +% The bounding box of each segment is the vertical slice of the unit square +% around the circle. +% +% The radius is given for each character group g = cc mod 8 by the formula +% +% radius [pt] = g+1, if 0 <= g < 8 +% 2(g-8) + 10, if 8 <= g < 12 [= 2g-6] +% 4(g-12) + 20, if 12 <= g < 16 [= 4g-28] +% _________________________________________________________________________ +% +font_identifier "XYCIRC"; font_size 10pt#; +mode_setup; + +% METANESS... +% +rulew# = .4pt#; define_blacker_pixels(rulew); % line thickness + +% TESTING...we redefine openit because the characters extend far to the +% left of the bounding box! +% +def openit = %let echar = endchar; def endchar = echar; stop ". " enddef; + openwindow currentwindow from origin to (1000,800) at (-200,300) +enddef; + +% FONT. +% +% Font dimension 8 is the rule thickness (cf. The TeXbook, app.G) +% +font_coding_scheme:="xycirc.enc"; +fontdimen 8: rulew#; % default_rule_thickness + +% (It's unnecessary to give the exact control points. MetaFont +% automatically chooses a good approximation to a circular arc.) +path eighthcircle; +eighthcircle = right{up} .. {left+up}(right+up)/sqrt2; + +% Use the following macro that generates an entire group from character cc +% to cc+7 with radius: +% + +def makeg(expr g,radius) = + + major# := radius/sqrt2; + minor# := radius - major#; + full# := radius; + define_pixels(minor,major,full); + + path arc; + arc = eighthcircle scaled (full + rulew/2) + & halfcircle scaled rulew shifted (full*right) rotated 45 + & reverse eighthcircle scaled (full - rulew/2) + & halfcircle scaled rulew rotated 180 shifted (full*right) + & cycle; + + beginchar(8g ,minor#,full#,full#); + fill arc rotated 180 shifted (full*right); + endchar; + + beginchar(8g+1,major#,full#,full#); + fill arc rotated 225 shifted (major*right); + endchar; + + beginchar(8g+2,major#,full#,full#); + fill arc rotated 270; + endchar; + + beginchar(8g+3,minor#,full#,full#); + fill arc rotated 315 shifted (major*left); + endchar; + + beginchar(8g+4,minor#,full#,full#); + fill arc shifted (major*left); + endchar; + + beginchar(8g+5,major#,full#,full#); + fill arc rotated 45; + endchar; + + beginchar(8g+6,major#,full#,full#); + fill arc rotated 90 shifted (major*right); + endchar; + + beginchar(8g+7,minor#,full#,full#); + fill arc rotated 135 shifted (full*right); + endchar; + +enddef; + +% Make groups: +% +for g = 0 step 1 until 7: makeg(g, (g+1)*pt#); endfor; +for g = 8 step 1 until 11: makeg(g, (2g-6)*pt#); endfor; +for g = 12 step 1 until 15: makeg(g,(4g-28)*pt#); endfor; + +bye. + +% $Log: xycirc10.mf,v $ +% Revision 3.11 2010/07/06 21:49:55 krisrose +% Daniel's fix that works around bug in mf2pt1/fontforge script. +% +% Revision 3.10 2010/06/10 18:45:50 krisrose +% Reference to GPL by URL. +% +% Revision 3.9 2010/05/17 23:29:21 krisrose +% Experiment: generate all the Type1 fonts with METAPOST. +% +% Revision 3.8 2010/04/16 06:06:52 krisrose +% Preparing for a new release... +% +% Revision 3.7 1999/02/16 15:12:50 krisrose +% Interim release (Y&Y fonts now free). +% +% Revision 3.3 1996/12/19 03:31:56 krisrose +% Maintenance release +% +% Revision 3.0 1995/07/07 20:14:21 kris +% Major release w/new User's Guide! +% +% Revision 2.13 1995/07/04 15:11:17 kris +% Ready to release v3? +% +% Revision 2.7 1994/03/08 02:09:27 kris +% Release 3alpha. +% +% Revision 2.6.9.1 1994/03/07 04:22:46 kris +% Last internal 3alpha and pre-2.7 release. +% +% NEW file to go in version 2.7! +% Based on xymisc10.mf [Revision 2.6 1992/06/24 01:23:34 kris] |