diff options
Diffstat (limited to 'metapost/context/base/mpxl/mp-xbox.mpxl')
| -rw-r--r-- | metapost/context/base/mpxl/mp-xbox.mpxl | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/metapost/context/base/mpxl/mp-xbox.mpxl b/metapost/context/base/mpxl/mp-xbox.mpxl index 2b8b94c27..08589cb93 100644 --- a/metapost/context/base/mpxl/mp-xbox.mpxl +++ b/metapost/context/base/mpxl/mp-xbox.mpxl @@ -5,6 +5,14 @@ % copyright : Public domain % patched : Hans Hagen % +% author : Karl Berry +% version : $Id: rboxes.mp,v 1.2 2004/09/19 21:47:11 karl Exp $ +% copyright : Public domain +% patched : Hans Hagen +% +% The code is the same but I've added a boxes_ namespace for some so that we don't +% clash with metafun. + % The code is the same but I've added s boxes_ namespace for soem so that we don't % clash with metafun. Loading and initialization is now under metafun control. @@ -13,7 +21,8 @@ if known metafun_loaded_xbox : endinput ; fi ; newinternal boolean metafun_loaded_xbox ; metafun_loaded_xbox := true ; immutable metafun_loaded_xbox ; % Find the length of the prefix of string s for which cond is true for each character -% c of the prefix. +% c of the prefix. Loading and initialization is now under metafun control. Only the +% mpxl variant will be adapted. When needed this file will be adapted. vardef boxes_str_prefix (expr s) (text cond) = save i_, c; string c; i_ = 0; @@ -295,3 +304,29 @@ if makingfigure : boxes_init_all; fi ; +% Rectangular boxes with rounded corners + +newinternal rbox_radius ; rbox_radius := 8bp ; + +vardef rboxit@#(text tt) = + boxes_begin("boxes_the_rounded","boxes_size",@#,tt) ; + boxes_generic_declare (pair) _n.sw, _n.s, _n.se, _n.e, _n.ne, _n.n, _n.nw, _n.w ; + 0 = xpart(@#nw - @#sw) = ypart(@#se - @#sw) ; + 0 = xpart(@#ne - @#se) = ypart(@#ne - @#nw) ; + @#w = .5[@#nw,@#sw] ; + @#s = .5[@#sw,@#se] ; + @#e = .5[@#ne,@#se] ; + @#n = .5[@#ne,@#nw] ; + @#ne - @#c = @#c - @#sw = (@#dx,@#dy) + .5*(urcorner boxes_pic@# - llcorner boxes_pic@#) ; + boxes_end(boxes_clear,@#) ; +enddef; + +def boxes_the_rounded(suffix $) = + save _r ; _r = min(rbox_radius, .5*ypart($.n-$.s), .5*xpart($.e-$.w)); + $.sw + (_r,0) {right} .. {right} $.se - (_r,0) .. + $.se + (0,_r) {up} .. {up} $.ne - (0,_r) .. + $.ne - (_r,0) {left} .. {left} $.nw + (_r,0) .. + $.nw - (0,_r) {down} .. {down} $.sw + (0,_r) .. + cycle +enddef; + |