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-rw-r--r--metapost/context/base/metafun.mpii2
-rw-r--r--metapost/context/base/metafun.mpiv2
-rw-r--r--metapost/context/base/mp-base.mpii30
-rw-r--r--metapost/context/base/mp-base.mpiv32
-rw-r--r--metapost/context/base/mp-grap.mpiv325
-rw-r--r--metapost/context/base/mp-mlib.mpiv233
-rw-r--r--metapost/context/base/mp-text.mpii7
-rw-r--r--metapost/context/base/mp-tool.mpii15
-rw-r--r--metapost/context/base/mp-tool.mpiv351
-rw-r--r--metapost/context/fonts/bidi-symbols.mp73
-rw-r--r--metapost/context/fonts/bidi-symbols.tex32
-rw-r--r--metapost/context/fonts/demo-symbols.mp21
-rw-r--r--metapost/context/fonts/demo-symbols.tex21
-rw-r--r--metapost/context/fonts/punkfont-bold.mp (renamed from metapost/context/font/punkfont-bold.mp)0
-rw-r--r--metapost/context/fonts/punkfont-boldslanted.mp (renamed from metapost/context/font/punkfont-boldslanted.mp)0
-rw-r--r--metapost/context/fonts/punkfont-characters.mp (renamed from metapost/context/font/punkfont-characters.mp)0
-rw-r--r--metapost/context/fonts/punkfont-definitions.mp (renamed from metapost/context/font/punkfont-definitions.mp)0
-rw-r--r--metapost/context/fonts/punkfont-slanted.mp (renamed from metapost/context/font/punkfont-slanted.mp)0
-rw-r--r--metapost/context/fonts/punkfont.mp (renamed from metapost/context/font/punkfont.mp)0
19 files changed, 938 insertions, 206 deletions
diff --git a/metapost/context/base/metafun.mpii b/metapost/context/base/metafun.mpii
index 0de186ed2..9c55191f7 100644
--- a/metapost/context/base/metafun.mpii
+++ b/metapost/context/base/metafun.mpii
@@ -62,4 +62,4 @@ def end =
; message "" ; message metafunversion ; message "" ; normalend ;
enddef ;
-dump ;
+% dump ;
diff --git a/metapost/context/base/metafun.mpiv b/metapost/context/base/metafun.mpiv
index 8247c121f..601b0562e 100644
--- a/metapost/context/base/metafun.mpiv
+++ b/metapost/context/base/metafun.mpiv
@@ -48,4 +48,4 @@ def end =
; message "" ; message metafunversion ; message "" ; normalend ;
enddef ;
-dump ; % obsolete in mplib
+% dump ; % obsolete in mplib
diff --git a/metapost/context/base/mp-base.mpii b/metapost/context/base/mp-base.mpii
index 93cb5e90c..0f8104447 100644
--- a/metapost/context/base/mp-base.mpii
+++ b/metapost/context/base/mp-base.mpii
@@ -1,12 +1,15 @@
% This is (currently) a copy of the plain.mp file. We use a copy
% because (1) we want to make sure that there are no unresolved
% dependencies, and (2) we may patch this file eventually.
+%
+% colorpart will be overloaded later (we already had that one)
+% _findarr now has a filldraw, was fill in 0.63
% This file gives the macros for plain MetaPost
% It contains all the features of plain METAFONT except those specific to
% font-making. (See The METAFONTbook by D.E. Knuth).
% There are also a number of macros for labeling figures, etc.
-string base_name, base_version; base_name="plain"; base_version="0.63";
+string base_name, base_version; base_name="plain"; base_version="1.004 for metafun ii";
message "Preloading the plain mem file, version "&base_version;
@@ -115,6 +118,26 @@ green = (0,1,0);
blue = (0,0,1);
background = white; % The user can reset this
+% color part selection for within
+def colorpart primary t =
+ if colormodel t=7:
+ (cyanpart t, magentapart t, yellowpart t, blackpart t)
+ elseif colormodel t=5:
+ (redpart t, greenpart t, bluepart t)
+ elseif colormodel t=3:
+ (greypart t)
+ elseif colormodel t=1:
+ false
+ else:
+ %%% For clipping and bounding paths, etc.
+ if defaultcolormodel=7: (0,0,0,1)
+ elseif defaultcolormodel=5: black
+ elseif defaultcolormodel=3: 0
+ else: false
+ fi
+ fi
+enddef;
+
% picture constants
picture blankpicture,evenly,withdots;
blankpicture=nullpicture; % `display blankpicture...'
@@ -441,8 +464,8 @@ enddef;
def _findarr text t =
draw _apth t;
- fill arrowhead _apth withpen currentpen t;
- fill arrowhead reverse _apth withpen currentpen t
+ filldraw arrowhead _apth withpen currentpen t;
+ filldraw arrowhead reverse _apth withpen currentpen t
enddef;
@@ -479,7 +502,6 @@ def label = draw thelabel enddef;
newinternal dotlabeldiam; dotlabeldiam:=3bp;
vardef dotlabel@#(expr s,z) text t_ =
label@#(s,z) t_;
-% label@#(s,z);
interim linecap:=rounded;
draw z withpen pencircle scaled dotlabeldiam t_;
enddef;
diff --git a/metapost/context/base/mp-base.mpiv b/metapost/context/base/mp-base.mpiv
index 7b3a69bb0..2887cc462 100644
--- a/metapost/context/base/mp-base.mpiv
+++ b/metapost/context/base/mp-base.mpiv
@@ -13,9 +13,9 @@
string base_name, base_version ;
base_name := "plain" ;
-base_version := "0.63" ;
+base_version := "1.004 for metafun iv" ;
-message "Preloading the plain mem file, version " & base_version ;
+message "loading metafun, including plain.mp version " & base_version ;
delimiters () ; % this makes parentheses behave like parentheses
@@ -197,6 +197,28 @@ background := white ; % obsolete
let graypart = greypart ;
let graycolor = greycolor ;
+% color part (will be overloaded)
+
+def colorpart primary t =
+ if colormodel t=7:
+ (cyanpart t, magentapart t, yellowpart t, blackpart t)
+ elseif colormodel t = 5 :
+ (redpart t, greenpart t, bluepart t)
+ elseif colormodel t = 3 :
+ (greypart t)
+ elseif colormodel t = 1 :
+ false
+ elseif defaultcolormodel = 7 :
+ (0,0,0,1)
+ elseif defaultcolormodel = 5 :
+ black
+ elseif defaultcolormodel = 3 :
+ 0
+ else :
+ false
+ fi
+enddef ;
+
% picture constants
picture blankpicture, evenly, withdots ;
@@ -704,10 +726,10 @@ def _finarr text t =
filldraw arrowhead _apth t
enddef ;
-def _findarr text t =
+def _findarr text t = % this had fill in 0.63 (potential incompatibility)
draw _apth t ;
- fill arrowhead _apth withpen currentpen t ;
- fill arrowhead reverse _apth withpen currentpen t ; % ; added HH
+ filldraw arrowhead _apth withpen currentpen t ;
+ filldraw arrowhead reverse _apth withpen currentpen t ; % ; added HH
enddef ;
%% macros for labels
diff --git a/metapost/context/base/mp-grap.mpiv b/metapost/context/base/mp-grap.mpiv
index a6a4e21e8..64e63b90c 100644
--- a/metapost/context/base/mp-grap.mpiv
+++ b/metapost/context/base/mp-grap.mpiv
@@ -41,6 +41,7 @@ fi
% OUT loc value for labels relative to whole graph
% gdata(file,s,text) read coords from file ; evaluate t w/ tokens s[]
% auto.<x or y> default x or y tick locations (for interation)
+% tick.<bot|top|..>(fmt,u) draw centered tick from given side at u w/ format
% itick.<bot|top|..>(fmt,u) draw inward tick from given side at u w/ format
% otick.<bot|top|..>(fmt,u) draw outward tick at coord u ; label format fmt
% grid.<bot|top|..>(fmt,u) draw grid line at u with given side labeled
@@ -67,37 +68,52 @@ fi
input string.mp
% Private version of a few marith macros, fixed for double math...
+newinternal Mzero; Mzero := -16384; % Anything at least this small is treated as zero
newinternal mlogten ; mlogten := mlog(10) ;
+newinternal singleinfinity ; singleinfinity := 2**128 ;
newinternal doubleinfinity ; doubleinfinity := 2**1024 ;
% Note that we get arithmetic overflows if we set to -doubleinfinity below.
+% (but "only on odd days"...)
% Safely convert a number to mlog form, trapping zero.
vardef graph_mlog primary x =
- if unknown x: whatever elseif x=0: -.5doubleinfinity else: mlog(abs x) fi
+ if unknown x: whatever
+ elseif x=0: Mzero
+ else: mlog(abs x) fi
enddef ;
vardef graph_exp primary x =
- if unknown x: whatever else: mexp(x) fi
+ if unknown x: whatever
+ elseif x<=Mzero: 0
+ else: mexp(x) fi
enddef ;
% and add the following for utility/completeness
% (replacing the definitions in mp-tool.mpiv).
vardef logten primary x =
- if unknown x: whatever elseif x=0: -.5doubleinfinity else: mlog(abs x)/mlog(10) fi
+ if unknown x: whatever
+ elseif x=0: Mzero
+ else: mlog(abs x)/mlog(10) fi
enddef ;
vardef ln primary x =
- if unknown x: whatever elseif x=0: -.5doubleinfinity else: mlog(abs x)/256 fi
+ if unknown x: whatever
+ elseif x=0: Mzero
+ else: mlog(abs x)/256 fi
enddef ;
vardef exp primary x =
- if unknown x: whatever else: (mexp 256)**x fi
+ if unknown x: whatever
+ elseif x<= Mzero: 0
+ else: (mexp 256)**x fi
enddef ;
vardef powten primary x =
- if unknown x: whatever else: 10**x fi
+ if unknown x: whatever
+ elseif x<= Mzero: 0
+ else: 10**x fi
enddef ;
% Convert x from mlog form into a pair whose xpart gives a mantissa and whose
% ypart gives a power of ten.
vardef graph_Meform(expr x) =
- if x<=-doubleinfinity : origin
+ if x<=Mzero : origin
else :
save e, m ; e=floor(x/mlogten)-3; m := mexp(x-e*mlogten) ;
if abs m<1000 : m := m*10 ; e := e-1 ; elseif abs m>=10000 : m := m/10 ; e := e+1 ; fi
@@ -118,7 +134,7 @@ enddef ;
vardef graph_error(expr x,s) =
interim showstopping :=0 ;
- show x ; errmessage s;
+ show x ; errmessage s ;
enddef ;
%%%%%%%%%%%%%%%%%%%%%%%% Data structures, begingraph %%%%%%%%%%%%%%%%%%%%%%%%
@@ -153,8 +169,12 @@ def begingraph(expr w, h) =
save graph_last_drawn ;
picture graph_last_drawn ; % result of last gdraw or gfill
graph_last_drawn = nullpicture ;
+ save graph_last_path ;
+ path graph_last_path ; % last gdraw or gfill path in data coordinates.
save graph_plot_picture ;
picture graph_plot_picture ; % a picture from the `plot' option known when plot allowed
+ save graph_foreground ;
+ color graph_foreground ; % drawing color, if set.
save graph_label ;
picture graph_label[] ; % labels to place around the whole graph when it is done
save graph_autogrid_needed ;
@@ -242,12 +262,13 @@ def graph_with_pen_and_color(expr q) =
fi
enddef ;
-% Add picture component q to picture @# and change part p to tp, where p is
-% something from q that needs coordinate transformation. The type of p is pair
-% or path.
+% Add picture component q to picture @# and change part p to tp,
+% where p is something from q that needs coordinate transformation.
+% The type of p is pair or path.
% Pair o is the value of p that makes tp (0,0). This implements the trick
-% whereby using 1 instead of 0 for th the width or height or the setbounds path
+% whereby using 1 instead of 0 for the width or height or the setbounds path
% for a label picture suppresses shifting in x or y.
+%
%vardef graph_picture_conversion@#(expr q, o)(text tp) =
% save p ;
% if stroked q :
@@ -259,34 +280,37 @@ enddef ;
% else :
% interim truecorners :=0 ;
% pair p ; p=llcorner q;
-% if urcorner q<>p : p :=p+graph_coordinate_multiplication(o-p,urcorner q-p) ; fi
+% if urcorner q<>p : p := p + graph_coordinate_multiplication(o-p,urcorner q-p) ; fi
% addto @# also q shifted ((tp)-llcorner q) ;
% fi
%enddef ;
-% TH : new version from code found at sarovar tracker. This makes
-% grdaw clip the result to the window defined with setrange
+%
+% This new version makes gdraw clip the result to the window defined with setrange
vardef graph_picture_conversion@#(expr q, o)(text tp) =
- save p, tp_geclipt ;
- picture tp_geclipt ; tp_geclipt :=nullpicture;
+ save p ;
+ save do_clip, tp_clipped ; boolean do_clip ; do_clip := true ;
+ picture tp_clipped ; tp_clipped := nullpicture;
if stroked q :
path p ; p=pathpart q;
- %%% --- SDV added
- addto tp_geclipt doublepath tp graph_with_pen_and_color(q) dashed dashpart q ;
- clip tp_geclipt to origin--(xpart Z_.graph_dimensions,0)--Z_.graph_dimensions--(0, ypart Z_.graph_dimensions)--cycle ;
- addto @# also tp_geclipt ;
- %%%
- %%% --- SDV deleted
- %%addto @# doublepath tp graph_with_pen_and_color(q) dashed dashpart q ;
- %%%
+ addto tp_clipped doublepath tp graph_with_pen_and_color(q) dashed dashpart q ;
+ %draw bbox tp_clipped withcolor red ;
elseif filled q :
path p ; p=pathpart q;
- addto @# contour tp graph_with_pen_and_color(q) ;
+ addto tp_clipped contour tp graph_with_pen_and_color(q) ;
+ %draw bbox tp_clipped withcolor green ;
else :
- interim truecorners :=0 ;
+ if (urcorner q<>llcorner q) : do_clip := false ; fi % Do not clip the axis labels;
+ interim truecorners := 0 ;
pair p ; p=llcorner q;
- if urcorner q<>p : p :=p+graph_coordinate_multiplication(o-p,urcorner q-p) ; fi
- addto @# also q shifted ((tp)-llcorner q) ;
+ if urcorner q<>p : p := p + graph_coordinate_multiplication(o-p,urcorner q-p) ; fi
+ addto tp_clipped also q shifted ((tp)-llcorner q) ;
+ %draw bbox tp_clipped withcolor if do_clip : cyan else : blue fi ;
+ fi
+ if do_clip :
+ clip tp_clipped to origin--(xpart Z_.graph_dimensions,0)--Z_.graph_dimensions--
+ (0,ypart Z_.graph_dimensions)--cycle ;
fi
+ addto @# also tp_clipped ;
enddef ;
def graph_coordinate_multiplication(expr a,b) = (xpart a*xpart b, ypart a*ypart b) enddef ;
@@ -335,7 +359,7 @@ vardef graph_set_bounds@#(expr l, h) =
graph_clear_bounds@# ;
if @#graph_coordinate_type>0 :
@#low = if unknown l :
- whatever
+ whatever
else :
if abs @#graph_coordinate_type=log : graph_mlog fi if string l : scantokens fi l
fi ;
@@ -345,7 +369,7 @@ vardef graph_set_bounds@#(expr l, h) =
if abs @#graph_coordinate_type=log : graph_mlog fi if string h : scantokens fi h
fi ;
else :
- -@#high = if unknown l :
+ -@#high = if unknown l :
whatever
else :
if abs @#graph_coordinate_type=log : graph_mlog fi if string l : scantokens fi l
@@ -479,7 +503,7 @@ enddef ;
vardef augment@#(text t) =
interim warningcheck := 0 ;
if not path begingroup @# endgroup :
- Gerr(begingroup @# endgroup, "Cannot augment--not a path") ;
+ graph_error(begingroup @# endgroup, "Cannot augment--not a path") ;
else :
def graph_comma= hide(def graph_comma=,enddef) enddef ;
if known @# : @# :=@#-- else : @#= fi
@@ -496,6 +520,7 @@ enddef ;
% Unknown pair components are set to 0 because glabel and gdotlabel understand
% unknown coordinates as `0 in absolute units'.
vardef graph_unknown_pair_bbox(expr p) =
+ interim warningcheck:=0 ;
if known p : addto graph_current_bb doublepath p ;
else :
save x,y ;
@@ -507,19 +532,24 @@ vardef graph_unknown_pair_bbox(expr p) =
graph_current_bb := image(fill llcorner graph_current_bb..urcorner graph_current_bb--cycle) ;
enddef ;
-
% Initiate a gdraw or gfill command. This must be done before scanning the
% argument, because that could invoke the `if known graph_plot_picture' test in a following
% plot option .
def graph_addto =
+ def graph_errorbar_text = enddef ;
+ color graph_foreground ;
+ path graph_last_path ;
graph_last_drawn := graph_plot_picture := nullpicture ; addto graph_last_drawn
enddef;
% Handle the part of a Gdraw command that uses path or data file p.
def graph_draw expr p =
- if string p : graph_convert_user_path_to_internal graph_readpath(p)
- elseif path p or pair p : graph_convert_user_path_to_internal p
+ if string p : hide(graph_last_path := graph_readpath(p) ;)
+ graph_convert_user_path_to_internal graph_last_path
+ elseif path p or pair p :
+ hide(graph_last_path := p ;)
+ graph_convert_user_path_to_internal p
else : graph_error(p,"gdraw argument should be a data file or a path")
origin
fi
@@ -529,8 +559,10 @@ enddef ;
% Handle the part of a Gdraw command that uses path or data file p.
def graph_fill expr p =
- if string p : graph_convert_user_path_to_internal graph_readpath(p) --cycle
- elseif cycle p : graph_convert_user_path_to_internal p
+ if string p : hide(graph_last_path := graph_readpath(p) --cycle ;)
+ graph_convert_user_path_to_internal graph_last_path
+ elseif cycle p : hide(graph_last_path := p ;)
+ graph_convert_user_path_to_internal p
else : graph_error(p,"gfill argument should be a data file or a cyclic path")
origin..cycle
fi graph_withlist _op_
@@ -543,13 +575,81 @@ def gfill = graph_addto contour graph_fill enddef ;
% This is used in graph_draw and graph_fill to allow postprocessing graph_last_drawn
def graph_withlist text t_ = t_ ; graph_post_draw; enddef;
+def witherrorbars(text t) text options =
+ hide(
+ def graph_errorbar_text = t enddef ;
+ save pic ; picture pic ; pic := image(draw origin _op_ options ;) ;
+ if color colorpart pic : graph_foreground := colorpart pic ; fi
+ )
+ options
+enddef ;
+
+picture graph_errorbar_picture ; graph_errorbar_picture := image(draw (left--right) scaled .5 ;) ;
+%picture graph_xbar_picture ; graph_xbar_picture := image(draw (down--up) scaled .5 ;) ;
+%picture graph_ybar_picture ; graph_ybar_picture := image(draw (left--right) scaled .5 ;) ;
+
+vardef graph_errorbars(text t) =
+ if known graph_last_path :
+ save n, p, q ; path p ; pair q ;
+ save pic ; picture pic[] ; pic0 := nullpicture ;
+ pic1 := if known graph_xbar_picture : graph_xbar_picture
+ elseif known graph_errorbar_picture : graph_errorbar_picture rotated 90
+ else : nullpicture fi ;
+ pic2 := if known graph_ybar_picture : graph_ybar_picture
+ elseif known graph_errorbar_picture : graph_errorbar_picture
+ else : nullpicture fi ;
+ if length pic1>0 :
+ pic1 := pic1 scaled graph_shapesize ;
+ setbounds pic1 to origin..cycle ;
+ fi
+ if length pic2>0 :
+ pic2 := pic2 scaled graph_shapesize ;
+ setbounds pic2 to origin..cycle ;
+ fi
+ for i=0 upto length graph_last_path :
+ clearxy ; z = point i of graph_last_path ;
+ n := 1 ;
+ for $=t :
+ if known $ :
+ q := if path $ : if length $>i : point i of $ else : origin fi
+ elseif pair $ : $ elseif numeric $ : ($,$) else : origin fi ;
+ if q<>origin :
+ p := graph_convert_user_path_to_internal ((
+ if n=1 :
+ (-xpart q,0)--(ypart q,0)
+ else :
+ (0,-xpart q)--(0,ypart q)
+ fi ) shifted z) ;
+ addto pic0 doublepath p ;
+ if length pic[n]>0 :
+ if ypart q<>0 :
+ addto pic0 also pic[n] shifted point 1 of p ;
+ fi
+ if xpart q<>0 :
+ addto pic0 also pic[n] rotated 180 shifted point 0 of p ;
+ fi
+ fi
+ fi
+ fi
+ exitif incr n>3 ;
+ endfor
+ endfor
+ if length pic0>0 :
+ save bg, fg ; color bg, fg ;
+ bg := if known graph_background : graph_background else : background fi ;
+ fg := if known graph_foreground : graph_foreground else : black fi ;
+ addto graph_current_graph also pic0 withpen currentpen scaled 2 _op_ withcolor bg ;
+ addto graph_current_graph also pic0 withpen currentpen scaled .5 _op_ withcolor fg ;
+ fi
+ fi
+enddef ;
% Set graph_plot_picture so the postprocessing step will plot picture p at each path knot.
% Also select nullpen to suppress stroking.
def plot expr p =
if known graph_plot_picture :
withpen nullpen
- hide (graph_plot_picture :=image(
+ hide (graph_plot_picture := image(
if bounded p : for q within p : graph_addto_currentpicture q endfor % Save memory
else : graph_addto_currentpicture p
fi graph_setbounds origin..cycle))
@@ -575,6 +675,7 @@ vardef graph_post_draw =
if filled graph_last_drawn or not graph_is_null(penpart graph_last_drawn) :
addto graph_current_graph also graph_last_drawn ;
fi
+ graph_errorbars(graph_errorbar_text) ;
if length graph_plot_picture>0 :
for i=0 upto length p if cycle p : -1 fi :
addto graph_current_graph also graph_plot_picture shifted point i of p ;
@@ -623,9 +724,9 @@ enddef ;
% Stash the result drawing command c in the graph_label table using with list w and
-% an index based on angle laboff$.
+% an index based on angle mfun_laboff$.
vardef graph_stash_label(suffix $)(text c) text w =
- graph_label[1.5+angle laboff$ /90] = image(c(origin) w) ;
+ graph_label[1.5+angle mfun_laboff$ /90] = image(c(origin) w) ;
enddef ;
@@ -658,10 +759,13 @@ def OUT = enddef ; % location text for outside labels
% Grid lines and tick marks are transformed versions of the templates below.
% In the template paths, (0,0) is on the edge of the frame and inward is to
% the right.
-path Gtemplate.itick, Gtemplate.otick, Gtemplate.grid ;
+path Gtemplate.tick, Gtemplate.itick, Gtemplate.otick, Gtemplate.grid ;
+Gtemplate.tick = (-3.5bp,0)--(3.5bp,0) ;
Gtemplate.itick = origin--(7bp,0) ;
Gtemplate.otick = (-7bp,0)--origin ;
-Gtemplate.grid = origin--(1,0) ;
+Gtemplate.grid = origin--(1,0) ;
+
+vardef tick@#(expr f,u) text w = graph_tick_label(@#,@,false,f,u,w) ; enddef;
vardef itick@#(expr f,u) text w = graph_tick_label(@#,@,false,f,u,w) ; enddef;
@@ -682,7 +786,7 @@ enddef ;
% Generate label positioning arguments appropriate for label suffix $ and
% coordinate u.
def graph_generate_label_position(suffix $)(expr u) =
- if xpart laboff.$=0 : u,whatever else : whatever,u fi
+ if xpart mfun_laboff.$=0 : u,whatever else : whatever,u fi
enddef ;
@@ -696,9 +800,9 @@ vardef graph_gridline_picture@#(suffix $)(expr c, f, u)(text w) =
save p ; path p;
interim warningcheck :=0 ;
graph_autogrid_needed :=false ;
- p = Gtemplate$ zscaled -laboff@#
+ p = Gtemplate$ zscaled -mfun_laboff@#
if c : Gxyscale fi
- shifted (((.5 + laboff@# dotprod (.5,.5)) * laboff@#) Gxyscale) ;
+ shifted (((.5 + mfun_laboff@# dotprod (.5,.5)) * mfun_laboff@#) Gxyscale) ;
image(draw p w ;
label@#(if string f : format(f,u) else : f fi, point 0 of p))
fi
@@ -711,7 +815,7 @@ vardef frame@# text w =
graph_frame_needed :=false ;
picture p_ ;
p_ = image(draw
- if str@#<>"" : subpath round(angle laboff@#*graph_frame_pair_a+graph_frame_pair_b) of fi
+ if str@#<>"" : subpath round(angle mfun_laboff@#*graph_frame_pair_a+graph_frame_pair_b) of fi
unitsquare Gxyscale w) ;
graph_draw_label((whatever,whatever),,draw p_ shifted) ;
enddef ;
@@ -999,7 +1103,7 @@ vardef format(expr f, x) = textext(strfmt(f, x)) enddef ;
% unfilled outline, interior filled with different shades of the background.
% This allows overlapping points on a plot to be more distinguishable.
-vardef graph_shapesize = .33BodyFontSize enddef ;
+vardef graph_shapesize = (.33BodyFontSize) enddef ;
path graph_shape[] ; % (internal) symbol path
@@ -1073,25 +1177,35 @@ def downtriangles(expr f) = plotsymbol(13,f) enddef ;
def lefttriangles(expr f) = plotsymbol(33,f) enddef ;
def righttriangles(expr f) = plotsymbol(23,f) enddef ;
+% f (fill) is color, numeric or boolean, otherwise background.
def plotsymbol(expr n, f) text t =
if known graph_shape[n] :
image(
save bg, fg ; color bg, fg ;
bg := if known graph_background : graph_background else : background fi ;
save pic ; picture pic ; pic := image(draw origin _op_ t ;) ;
- fg := if color colorpart pic : colorpart pic else : black fi ;
+ if color colorpart pic : graph_foreground := colorpart pic ; fi
+ fg := if known graph_foreground : graph_foreground else : black fi ;
save p ; path p ; p = graph_shape[n] scaled graph_shapesize ;
draw p withcolor bg withpen currentpen scaled 2 ; % halo
- if cycle p : fill p withcolor
- if color f and known f :
- f
- elseif numeric f and known f :
- f[bg,fg]
- else :
- bg
- fi ;
+ currentpen := currentpen scaled .5 ;
+ if cycle p :
+ fill p withcolor
+ if known f :
+ if color f :
+ f
+ elseif numeric f :
+ f[bg,fg]
+ elseif boolean f and f :
+ fg
+ else
+ bg
+ fi
+ else :
+ bg
+ fi ;
fi
- draw p withpen currentpen _op_ t ;
+ draw p _op_ t ;
)
else :
nullpicture
@@ -1164,7 +1278,7 @@ enddef ;
def makefunctionpath (expr f, t, n) (text func) =
(for x=f step ((t-f)/(abs n)) until t :
- if x<>f : .. fi
+ if x<>f : -- fi
(x, func)
endfor )
enddef ;
@@ -1269,9 +1383,9 @@ numeric fit_chi_squared ;
vardef polynomial_fit (suffix p, $) (expr n) (text t) =
if not path p :
- Gerr(p, "Cannot fit--not a path") ;
+ graph_error(p, "Cannot fit--not a path") ;
elseif length p < n :
- Gerr(p, "Cannot fit--not enough points") ;
+ graph_error(p, "Cannot fit--not enough points") ;
else :
fit_chi_squared := 0 ;
% calculate sums of the data
@@ -1285,7 +1399,24 @@ vardef polynomial_fit (suffix p, $) (expr n) (text t) =
endfor
for i=0 upto length p :
clearxy ; z = point i of p ;
- w := if length(t) > 0 : t else : 1 fi ; % weight
+ w := 1 ; % weight
+ if known t :
+ if numeric t :
+ w := 1 if t<>0 : /(abs t) fi ;
+ elseif pair t :
+ if t<>origin :
+ w := 1/(abs t) ;
+ fi
+ elseif path t :
+ if length t>= i:
+ if point i of t<>origin :
+ w := 1/(abs point i of t) ;
+ fi
+ else :
+ w := 0 ;
+ fi ;
+ fi
+ fi
x1 := w ;
for j=0 upto 2n :
sumx[j] := sumx[j] + x1 ;
@@ -1356,13 +1487,29 @@ vardef exponential_function (suffix $) (expr x) = $1*exp($0*x) enddef ;
vardef exponential_fit (suffix p, $) (text t) =
save a ; numeric a[] ;
- save q ; path q ; % fit to the log of the ordinate
+ save q ; path q[] ; % fit to the log of the ordinate
for i=0 upto length p :
- if ypart(point i of p)>0 :
- augment.q(xpart(point i of p),ln(ypart(point i of p))) ;
+ clearxy ; z = point i of p ;
+ if y>0 :
+ augment.q0(x,ln(y)) ;
+ augment.q1(
+ if known t :
+ if numeric t : (0,ln(t))
+ elseif pair t : (xpart t,ln(ypart t))
+ elseif path t :
+ if length t>=i :
+ hide(z1 = point i of t;)
+ (x1,ln(y1))
+ else :
+ origin
+ fi
+ fi
+ else :
+ (0,1)
+ fi ) ;
fi
endfor
- linear_fit(q,a,t) ;
+ linear_fit(q0,a,q1) ;
save e ; e := exp(sqrt(fit_chi_squared)) ;
fit_chi_squared := e * e ;
$0 := a1 ;
@@ -1377,13 +1524,29 @@ vardef power_law_function (suffix $) (expr x) = $1*(x**$0) enddef ;
vardef power_law_fit (suffix p, $) (text t) =
save a ; numeric a[] ;
- save q ; path q ; % fit to the logs of the abscissae and ordinates
+ save q ; path q[] ; % fit to the logs of the abscissae and ordinates
for i=0 upto length p :
- if (xpart(point i of p)>0) and (ypart(point i of p)>0) :
- augment.q(ln(xpart(point i of p)),ln(ypart(point i of p))) ;
+ clearxy ; z = point i of p ;
+ if (x>0) and (y>0) :
+ augment.q0(ln(x),ln(y)) ;
+ augment.q1(
+ if known t :
+ if numeric t : (0,ln(t))
+ elseif pair t : (ln(xpart t),ln(ypart t))
+ elseif path t :
+ if length t>=i :
+ hide(z1 = point i of t)
+ (ln(x1),ln(y1))
+ else :
+ origin
+ fi
+ fi
+ else :
+ (0,1)
+ fi ) ;
fi
endfor
- linear_fit(q,a,t) ;
+ linear_fit(q0,a,q1) ;
save e ; e := exp(sqrt(fit_chi_squared)) ;
fit_chi_squared := e * e ;
$0 := a1 ;
@@ -1411,13 +1574,29 @@ enddef ;
vardef gaussian_fit (suffix p, $) (text t) =
save a ; numeric a[] ;
- save q ; path q ; % fit to the log of the ordinate
+ save q ; path q[] ; % fit to the log of the ordinate
for i=0 upto length p :
- if ypart(point i of p)>0 :
- augment.q(xpart(point i of p), ln(ypart(point i of p))) ;
+ clearxy ; z = point i of p ;
+ if y>0 :
+ augment.q0(x,ln(y)) ;
+ augment.q1(
+ if known t :
+ if numeric t : (0,ln(t))
+ elseif pair t : (xpart t,ln(ypart t))
+ elseif path t :
+ if length t>=i :
+ hide(z1 = point i of t)
+ (x1,ln(y1))
+ else :
+ origin
+ fi
+ fi
+ else :
+ (0,1)
+ fi ) ;
fi
endfor
- polynomial_fit(q,a,2,if t > 0 : ln(t) else : 0 fi) ;
+ polynomial_fit(q0,a,2,q1) ;
save e ; e := exp(sqrt(fit_chi_squared)) ;
fit_chi_squared := e * e ;
$1 := sqrt(-lntwo/a2) ;
diff --git a/metapost/context/base/mp-mlib.mpiv b/metapost/context/base/mp-mlib.mpiv
index 9a2042924..e667e4064 100644
--- a/metapost/context/base/mp-mlib.mpiv
+++ b/metapost/context/base/mp-mlib.mpiv
@@ -99,6 +99,8 @@ newinternal textextoffset ; textextoffset := 0 ;
numeric mfun_tt_w[], mfun_tt_h[], mfun_tt_d[] ; % we can consider using colors (less hash space)
numeric mfun_tt_n ; mfun_tt_n := 0 ;
picture mfun_tt_p ; mfun_tt_p := nullpicture ;
+picture mfun_tt_o ; mfun_tt_o := nullpicture ;
+picture mfun_tt_c ; mfun_tt_c := nullpicture ;
if unknown mfun_trial_run :
boolean mfun_trial_run ;
@@ -117,6 +119,8 @@ fi ;
def mfun_reset_tex_texts =
mfun_tt_n := 0 ;
mfun_tt_p := nullpicture ;
+ mfun_tt_o := nullpicture ; % redundant
+ mfun_tt_c := nullpicture ; % redundant
enddef ;
def mfun_flush_tex_texts =
@@ -131,37 +135,100 @@ extra_beginfig := extra_beginfig & "mfun_reset_tex_texts ;" ;
% flush twice: once in location in order to pick up e.g. color properties,
% and once at the end because we need to flush missing ones.
-vardef rawtextext(expr str) =
+% vardef rawtextext(expr str) =
+% if str = "" :
+% nullpicture
+% elseif mfun_trial_run :
+% mfun_tt_n := mfun_tt_n + 1 ;
+% mfun_tt_o := image(draw origin) ; % save drawoptions
+% addto mfun_tt_p doublepath unitsquare
+% withprescript "tx_number=" & decimal mfun_tt_n
+% withprescript "tx_stage=extra"
+% withpostscript str ;
+% image (
+% addto currentpicture doublepath unitsquare
+% withprescript "tx_number=" & decimal mfun_tt_n
+% withprescript "tx_stage=trial"
+% withprescript "tx_color=" & colordecimals colorpart mfun_tt_o
+% withpostscript str
+% ; )
+% else :
+% mfun_tt_n := mfun_tt_n + 1 ;
+% if known mfun_tt_d[mfun_tt_n] :
+% image (
+% addto currentpicture doublepath unitsquare
+% xscaled mfun_tt_w[mfun_tt_n]
+% yscaled (mfun_tt_h[mfun_tt_n] + mfun_tt_d[mfun_tt_n])
+% withprescript "tx_number=" & decimal mfun_tt_n
+% withprescript "tx_stage=final"
+% % withpostscript str ; % for tracing
+% ; ) shifted (0,-mfun_tt_d[mfun_tt_n])
+% else :
+% image (
+% addto currentpicture doublepath unitsquare
+% ; )
+% fi
+% fi
+% enddef ;
+
+% vardef rawtextext(expr str) = % todo: avoid currentpicture
+% if str = "" :
+% nullpicture
+% else :
+% mfun_tt_n := mfun_tt_n + 1 ;
+% mfun_tt_c := nullpicture ;
+% if mfun_trial_run :
+% mfun_tt_o := nullpicture ;
+% addto mfun_tt_o doublepath origin _op_ ; % save drawoptions
+% addto mfun_tt_p doublepath unitsquare
+% withprescript "tx_number=" & decimal mfun_tt_n
+% withprescript "tx_stage=extra"
+% withpostscript str ;
+% addto mfun_tt_c doublepath unitsquare
+% withprescript "tx_number=" & decimal mfun_tt_n
+% withprescript "tx_stage=trial"
+% withprescript "tx_color=" & colordecimals colorpart mfun_tt_o
+% withpostscript str ;
+% elseif known mfun_tt_d[mfun_tt_n] :
+% addto mfun_tt_c doublepath unitsquare
+% xscaled mfun_tt_w[mfun_tt_n]
+% yscaled (mfun_tt_h[mfun_tt_n] + mfun_tt_d[mfun_tt_n])
+% shifted (0,-mfun_tt_d[mfun_tt_n])
+% withprescript "tx_number=" & decimal mfun_tt_n
+% withprescript "tx_stage=final" ;
+% else :
+% addto mfun_tt_c doublepath unitsquare ; % unitpicture
+% fi ;
+% mfun_tt_c
+% fi
+% enddef ;
+
+vardef rawtextext(expr str) = % todo: avoid currentpicture
if str = "" :
nullpicture
- elseif mfun_trial_run :
+ else :
mfun_tt_n := mfun_tt_n + 1 ;
- addto mfun_tt_p doublepath unitsquare
- withprescript "tx_number=" & decimal mfun_tt_n
- withprescript "tx_stage=extra"
- withpostscript str ;
- image (
- addto currentpicture doublepath unitsquare
+ mfun_tt_c := nullpicture ;
+ if mfun_trial_run :
+ mfun_tt_o := nullpicture ;
+ addto mfun_tt_o doublepath origin _op_ ; % save drawoptions
+ addto mfun_tt_c doublepath unitsquare
withprescript "tx_number=" & decimal mfun_tt_n
withprescript "tx_stage=trial"
- withpostscript str
- )
- else :
- mfun_tt_n := mfun_tt_n + 1 ;
- if known mfun_tt_d[mfun_tt_n] :
- image (
- addto currentpicture doublepath unitsquare
- xscaled mfun_tt_w[mfun_tt_n]
- yscaled (mfun_tt_h[mfun_tt_n] + mfun_tt_d[mfun_tt_n])
- withprescript "tx_number=" & decimal mfun_tt_n
- withprescript "tx_stage=final"
- ; % withpostscript str ;
- ) shifted (0,-mfun_tt_d[mfun_tt_n])
+ withprescript "tx_color=" & colordecimals colorpart mfun_tt_o
+ withpostscript str ;
+ addto mfun_tt_p also mfun_tt_c ;
+ elseif known mfun_tt_d[mfun_tt_n] :
+ addto mfun_tt_c doublepath unitsquare
+ xscaled mfun_tt_w[mfun_tt_n]
+ yscaled (mfun_tt_h[mfun_tt_n] + mfun_tt_d[mfun_tt_n])
+ shifted (0,-mfun_tt_d[mfun_tt_n])
+ withprescript "tx_number=" & decimal mfun_tt_n
+ withprescript "tx_stage=final" ;
else :
- image (
- addto currentpicture doublepath unitsquare ;
- )
- fi
+ addto mfun_tt_c doublepath unitsquare ; % unitpicture
+ fi ;
+ mfun_tt_c
fi
enddef ;
@@ -255,6 +322,46 @@ mfun_labtype.drt := 12 ;
mfun_labtype.origin := 0 ;
mfun_labtype.raw := 0 ;
+% installlabel.foo ( 0, 1, 1, (.5,-1) ) ;
+
+vardef installlabel@# (expr type, x, y, offset) =
+ numeric labtype@# ; labtype@# := type ;
+ pair laboff @# ; laboff @# := offset ;
+ numeric labxf @# ; labxf @# := x ;
+ numeric labyf @# ; labyf @# := y ;
+enddef ;
+
+% we save the plain variant
+
+vardef plain_thelabel@#(expr p,z) =
+ if string p :
+ plain_thelabel@#(rawtextext("\definedfont[" & defaultfont & "]" & p) scaled defaultscale,z)
+ else :
+ p shifted (z + labeloffset*laboff@# - (labxf@#*lrcorner p + labyf@#*ulcorner p + (1-labxf@#-labyf@#)*llcorner p))
+ fi
+enddef;
+
+def plain_label = % takes two arguments, contrary to textext that takes one
+ draw plain_thelabel
+enddef ;
+
+let mfun_label = label ;
+let mfun_thelabel = thelabel ;
+
+def useplainlabels = % somehow let doesn't work for all code
+ def label = plain_label enddef ;
+ def thelabel = plain_thelabel enddef ;
+enddef ;
+
+def usemetafunlabels =
+ let label = mfun_label ;
+ let thelabel = mfun_thelabel ;
+enddef ;
+
+plain_compatibility_data := plain_compatibility_data & "save label, thelabel ;" & "useplainlabels ;" ;
+
+% next comes own own:
+
vardef thetextext@#(expr p,z) =
% interim labeloffset := textextoffset ;
if string p :
@@ -611,8 +718,8 @@ else :
elseif colormodel p = 7 :
withcolor (cyanpart p,magentapart p,yellowpart p,blackpart p)
fi
- withprescript prescript p
- withpostscript postscript p
+ withprescript prescriptpart p
+ withpostscript postscriptpart p
enddef ;
fi ;
@@ -662,3 +769,75 @@ enddef ;
% draw textext.autoalign(160)("\strut oeps 2") ;
% draw textext.autoalign(260)("\strut oeps 3") ;
% draw textext.autoalign(360)("\strut oeps 4") ;
+
+% new
+%
+% passvariable("version","1.0") ;
+% passvariable("number",123) ;
+% passvariable("string","whatever") ;
+% passvariable("point",(1,2)) ;
+% passvariable("triplet",(1,2,3)) ;
+% passvariable("quad",(1,2,3,4)) ;
+% passvariable("boolean",false) ;
+% passvariable("path",fullcircle scaled 1cm) ;
+
+vardef mfun_point_to_string(expr p,i) =
+ decimal xpart (point i of p) & " " &
+ decimal ypart (point i of p) & " " &
+ decimal xpart (precontrol i of p) & " " &
+ decimal ypart (precontrol i of p) & " " &
+ decimal xpart (postcontrol i of p) & " " &
+ decimal ypart (postcontrol i of p)
+enddef ;
+
+vardef mfun_transform_to_string(expr t) =
+ decimal xxpart t & " " & % rx
+ decimal xypart t & " " & % sx
+ decimal yxpart t & " " & % sy
+ decimal yypart t & " " & % ry
+ decimal xpart t & " " & % tx
+ decimal ypart t % ty
+enddef ;
+
+vardef mfun_numeric_to_string(expr n) =
+ decimal n
+enddef ;
+
+vardef mfun_pair_to_string(expr p) =
+ decimal xpart p & " " &
+ decimal ypart p
+enddef ;
+
+vardef mfun_rbgcolor_to_string(expr c) =
+ decimal redpart c & " " &
+ decimal greenpart c & " " &
+ decimal bluepart c
+enddef ;
+
+vardef mfun_cmykcolor_to_string(expr c) =
+ decimal cyanpart c & " " &
+ decimal magentapart c & " " &
+ decimal yellowpart c & " " &
+ decimal blackpart c
+enddef ;
+
+vardef mfun_path_to_string(expr p) =
+ mfun_point_to_string(p,0) for i=1 upto length(p) : & " " & mfun_point_to_string(p,i) endfor
+enddef ;
+
+vardef mfun_boolean_to_string(expr b) =
+ if b : "true" else : "false" fi
+enddef ;
+
+def passvariable(expr key, value) =
+ special
+ if numeric value : "1:" & key & "=" & mfun_numeric_to_string(value)
+ elseif pair value : "4:" & key & "=" & mfun_pair_to_string(value)
+ elseif rgbcolor value : "5:" & key & "=" & mfun_rgbcolor_to_string(value)
+ elseif cmykcolor value : "6:" & key & "=" & mfun_cmykcolor_to_string(value)
+ elseif boolean value : "3:" & key & "=" & mfun_boolean_to_string(value)
+ elseif path value : "7:" & key & "=" & mfun_path_to_string(value)
+ elseif transform value : "8:" & key & "=" & mfun_transform_to_string(value)
+ else : "2:" & key & "=" & value
+ fi ;
+enddef ;
diff --git a/metapost/context/base/mp-text.mpii b/metapost/context/base/mp-text.mpii
index d529e9242..5f96f6788 100644
--- a/metapost/context/base/mp-text.mpii
+++ b/metapost/context/base/mp-text.mpii
@@ -109,6 +109,13 @@ pair laboff.raw ; laboff.raw = (0,0) ; % (infinity,infinity) ;
laboff.origin = (0,0) ; labxf.origin := 0 ; labyf.origin := 0 ;
laboff.raw = (0,0) ; labxf.raw := 0 ; labyf.raw := 0 ;
+vardef installlabel@# (expr type, x, y, offset) =
+ numeric labtype@# ; labtype@# := type ;
+ pair laboff @# ; laboff @# := offset ;
+ numeric labxf @# ; labxf @# := x ;
+ numeric labyf @# ; labyf @# := y ;
+enddef ;
+
vardef thelabel@#(expr s, z) =
save p ; picture p ;
p = s if not picture s : infont defaultfont scaled defaultscale fi ;
diff --git a/metapost/context/base/mp-tool.mpii b/metapost/context/base/mp-tool.mpii
index 8d8c9d920..f363f655e 100644
--- a/metapost/context/base/mp-tool.mpii
+++ b/metapost/context/base/mp-tool.mpii
@@ -98,6 +98,19 @@ vardef ddecimal primary p =
decimal xpart p & " " & decimal ypart p
enddef ;
+%D Plain compatibility
+
+string plain_compatibility_data ; plain_compatibility_data := "" ;
+
+def startplaincompatibility =
+ begingroup ;
+ scantokens plain_compatibility_data ;
+enddef ;
+
+def stopplaincompatibility =
+ endgroup ;
+enddef ;
+
% is now built in
% extra_endfig := extra_endfig
@@ -2562,3 +2575,5 @@ primarydef p snapped s =
fi ; )
p
enddef ;
+
+let dump = relax ;
diff --git a/metapost/context/base/mp-tool.mpiv b/metapost/context/base/mp-tool.mpiv
index 5b53dcdef..672a051c2 100644
--- a/metapost/context/base/mp-tool.mpiv
+++ b/metapost/context/base/mp-tool.mpiv
@@ -64,6 +64,24 @@ vardef ddecimal primary p =
decimal xpart p & " " & decimal ypart p
enddef ;
+%D Plain compatibility:
+
+string plain_compatibility_data ; plain_compatibility_data := "" ;
+
+def startplaincompatibility =
+ begingroup ;
+ scantokens plain_compatibility_data ;
+enddef ;
+
+def stopplaincompatibility =
+ endgroup ;
+enddef ;
+
+%D More neutral:
+
+let triplet = rgbcolor ;
+let quadruplet = cmykcolor ;
+
%D Colors:
newinternal nocolormodel ; nocolormodel := 1 ;
@@ -192,32 +210,32 @@ def newpair text v = forsuffixes i=v : save i ; pair i ; endfor ; endd
%D box, draw the graphics that may not count, and restore the
%D bounding box.
%D
-%D \starttypen
+%D \starttyping
%D push_boundingbox currentpicture;
%D pop_boundingbox currentpicture;
-%D \stoptypen
+%D \stoptyping
%D
%D The bounding box can be called with:
%D
-%D \starttypen
+%D \starttyping
%D boundingbox currentpicture
%D inner_boundingbox currentpicture
%D outer_boundingbox currentpicture
-%D \stoptypen
+%D \stoptyping
%D
%D Especially the latter one can be of use when we include
%D the graphic in a document that is clipped to the bounding
%D box. In such occasions one can use:
%D
-%D \starttypen
+%D \starttyping
%D set_outer_boundingbox currentpicture;
-%D \stoptypen
+%D \stoptyping
%D
%D Its counterpart is:
%D
-%D \starttypen
+%D \starttyping
%D set_inner_boundingbox p
-%D \stoptypen
+%D \stoptyping
path mfun_boundingbox_stack ;
numeric mfun_boundingbox_stack_depth ;
@@ -313,6 +331,12 @@ vardef asinh primary x = ln(x+(x++1)) enddef ;
vardef sinh primary x = save xx ; xx = exp x ; (xx-1/xx)/2 enddef ;
vardef cosh primary x = save xx ; xx = exp x ; (xx+1/xx)/2 enddef ;
+%D Sometimes this is handy:
+
+def undashed =
+ dashed nullpicture
+enddef ;
+
%D We provide two macros for drawing stripes across a shape.
%D The first method (with the n suffix) uses another method,
%D slower in calculation, but more efficient when drawn. The
@@ -321,67 +345,209 @@ vardef cosh primary x = save xx ; xx = exp x ; (xx+1/xx)/2 enddef ;
%D the second argument identifier the way the shape is to be
%D drawn.
%D
-%D \starttypen
+%D \starttyping
%D stripe_path_n
%D (dashed evenly withcolor blue)
%D (filldraw)
%D fullcircle xscaled 100 yscaled 40 shifted (50,50) withpen pencircle scaled 4;
-%D \stoptypen
+%D \stoptyping
%D
%D The a (or angle) alternative supports arbitrary angles and
%D is therefore more versatile.
%D
-%D \starttypen
+%D \starttyping
%D stripe_path_a
%D (withpen pencircle scaled 2 withcolor red)
%D (draw)
%D fullcircle xscaled 100 yscaled 40 withcolor blue;
-%D \stoptypen
+%D \stoptyping
%D
-%D The first alternative obeys:
+%D We have two alternatives, controlled by arguments or defaults (when arguments
+%D are zero).
+%D
+%D The newer and nicer interface is used as follows (triggered by a question by Mari):
+%D
+%D \starttyping
+%D draw image (draw fullcircle scaled 3cm shifted (0cm,0cm) withcolor green) numberstriped (1,10,3) withcolor red ;
+%D draw image (draw fullcircle scaled 3cm shifted (3cm,0cm) withcolor green) numberstriped (2,20,3) withcolor green ;
+%D draw image (draw fullcircle scaled 3cm shifted (3cm,3cm) withcolor green) numberstriped (3,10,5) withcolor blue ;
+%D draw image (draw fullcircle scaled 3cm shifted (0cm,3cm) withcolor green) numberstriped (4,20,5) withcolor yellow ;
+%D
+%D draw image (draw fullcircle scaled 3cm shifted (6cm,0cm) withcolor green) anglestriped (1,20,2) withcolor red ;
+%D draw image (draw fullcircle scaled 3cm shifted (9cm,0cm) withcolor green) anglestriped (2,40,2) withcolor green ;
+%D draw image (draw fullcircle scaled 3cm shifted (9cm,3cm) withcolor green) anglestriped (3,60,2) withcolor blue ;
+%D draw image (draw fullcircle scaled 3cm shifted (6cm,3cm) withcolor green) anglestriped (4,80,2) withcolor yellow ;
+%D
+%D draw image (
+%D draw fullcircle scaled 3cm shifted (0cm,0cm) withcolor green withpen pencircle scaled 2mm ;
+%D draw fullcircle scaled 2cm shifted (0cm,1cm) withcolor blue withpen pencircle scaled 3mm ;
+%D ) shifted (9cm,0cm) numberstriped (1,10,3) withcolor red ;
+%D
+%D draw image (
+%D draw fullcircle scaled 3cm shifted (0cm,0cm) withcolor green withpen pencircle scaled 2mm ;
+%D draw fullcircle scaled 2cm shifted (0cm,1cm) withcolor blue withpen pencircle scaled 3mm ;
+%D ) shifted (12cm,0cm) numberstriped (2,10,3) withcolor red ;
+%D
+%D draw image (
+%D draw fullcircle scaled 3cm shifted (0cm,0cm) withcolor green withpen pencircle scaled 2mm ;
+%D draw fullcircle scaled 2cm shifted (0cm,1cm) withcolor blue withpen pencircle scaled 3mm ;
+%D ) shifted (9cm,5cm) numberstriped (3,10,3) withcolor red ;
+%D
+%D draw image (
+%D draw fullcircle scaled 3cm shifted (0cm,0cm) withcolor green withpen pencircle scaled 2mm ;
+%D draw fullcircle scaled 2cm shifted (0cm,1cm) withcolor blue withpen pencircle scaled 3mm ;
+%D ) shifted (12cm,5cm) numberstriped (4,10,3) withcolor red ;
+%D \stoptyping
stripe_n := 10;
stripe_slot := 3;
+stripe_gap := 5;
+stripe_angle := 45;
-%D When no pen dimensions are passed, the slot determines
-%D the spacing.
-%D
-%D The angle alternative is influenced by:
+def mfun_tool_striped_number_action text extra =
+ for i = 1/used_n step 1/used_n until 1 :
+ draw point (1+i) of bounds -- point (3-i) of bounds withpen pencircle scaled penwidth extra ;
+ endfor ;
+ for i = 0 step 1/used_n until 1 :
+ draw point (3+i) of bounds -- point (1-i) of bounds withpen pencircle scaled penwidth extra ;
+ endfor ;
+enddef ;
-% to be redone: use image
+def mfun_tool_striped_set_options(expr option) =
+ save isinner, swapped ;
+ boolean isinner, swapped ;
+ if option = 1 :
+ isinner := false ;
+ swapped := false ;
+ elseif option = 2 :
+ isinner := true ;
+ swapped := false ;
+ elseif option = 3 :
+ isinner := false ;
+ swapped := true ;
+ elseif option = 4 :
+ isinner := true ;
+ swapped := true ;
+ else :
+ isinner := false ;
+ swapped := false ;
+ fi ;
+enddef ;
-stripe_gap := 5;
-stripe_angle := 45;
+vardef mfun_tool_striped_number(expr option, p, s_n, s_slot) text extra =
+ image (
+ begingroup ;
+ save pattern, shape, bounds, penwidth, used_n, used_slot ;
+ picture pattern, shape ; path bounds ; numeric used_s, used_slot ;
+ mfun_tool_striped_set_options(option) ;
+ used_slot := if s_slot = 0 : stripe_slot else : s_slot fi ;
+ used_n := if s_n = 0 : stripe_n else : s_n fi ;
+ shape := image(draw p) ;
+ bounds := boundingbox shape ;
+ penwidth := min(ypart urcorner shape - ypart llcorner shape, xpart urcorner shape - xpart llcorner shape) / (used_slot * used_n) ;
+ pattern := image (
+ if isinner :
+ mfun_tool_striped_number_action extra ;
+ for s within shape :
+ if stroked s or filled s :
+ clip currentpicture to pathpart s ;
+ fi
+ endfor ;
+ else :
+ for s within shape :
+ if stroked s or filled s :
+ draw image (
+ mfun_tool_striped_number_action extra ;
+ clip currentpicture to pathpart s ;
+ ) ;
+ fi ;
+ endfor ;
+ fi ;
+ ) ;
+ if swapped :
+ addto currentpicture also shape ;
+ addto currentpicture also pattern ;
+ else :
+ addto currentpicture also pattern ;
+ addto currentpicture also shape ;
+ fi ;
+ endgroup ;
+ )
+enddef ;
+
+def mfun_tool_striped_angle_action text extra =
+ for i = minimum -.5used_gap step used_gap until maximum :
+ draw (minimum,i) -- (maximum,i) extra ;
+ endfor ;
+ currentpicture := currentpicture rotated used_angle ;
+enddef ;
+
+vardef mfun_tool_striped_angle(expr option, p, s_angle, s_gap) text extra =
+ image (
+ begingroup ;
+ save pattern, shape, mask, maximum, minimum, centrum, used_angle, used_gap ;
+ picture pattern, shape, mask ; numeric maximum, minimum ; pair centrum ; numeric used_angle, used_gap ;
+ mfun_tool_striped_set_options(option) ;
+ used_angle := if s_angle = 0 : stripe_angle else : s_angle fi ;
+ used_gap := if s_gap = 0 : stripe_gap else : s_gap fi ;
+ shape := image(draw p) ;
+ centrum := center shape ;
+ shape := shape shifted - centrum ;
+ mask := shape rotated used_angle ;
+ maximum := max (xpart llcorner mask, xpart urcorner mask, ypart llcorner mask, ypart urcorner mask) ;
+ minimum := min (xpart llcorner mask, xpart urcorner mask, ypart llcorner mask, ypart urcorner mask) ;
+ pattern := image (
+ if isinner :
+ mfun_tool_striped_angle_action extra ;
+ for s within shape :
+ if stroked s or filled s :
+ clip currentpicture to pathpart s ;
+ fi
+ endfor ;
+ else :
+ for s within shape :
+ if stroked s or filled s :
+ draw image (
+ mfun_tool_striped_angle_action extra ;
+ clip currentpicture to pathpart s ;
+ ) ;
+ fi ;
+ endfor ;
+ fi ;
+ ) ;
+ if swapped :
+ addto currentpicture also shape ;
+ addto currentpicture also pattern ;
+ else :
+ addto currentpicture also pattern ;
+ addto currentpicture also shape ;
+ fi ;
+ currentpicture := currentpicture shifted - centrum ;
+ endgroup ;
+ )
+enddef;
+
+newinternal striped_normal_inner ; striped_normal_inner := 1 ;
+newinternal striped_reverse_inner ; striped_reverse_inner := 2 ;
+newinternal striped_normal_outer ; striped_normal_outer := 3 ;
+newinternal striped_reverse_outer ; striped_reverse_outer := 4 ;
+
+secondarydef p anglestriped s =
+ mfun_tool_striped_angle(redpart s,p,greenpart s,bluepart s)
+enddef ;
+
+secondarydef p numberstriped s =
+ mfun_tool_striped_number(redpart s,p,greenpart s,bluepart s)
+enddef ;
+
+% for old times sake:
def stripe_path_n (text s_spec) (text s_draw) expr s_path =
do_stripe_path_n (s_spec) (s_draw) (s_path)
enddef;
def do_stripe_path_n (text s_spec) (text s_draw) (expr s_path) text s_text =
- begingroup ;
- save curpic, newpic, bb, pp, ww ;
- picture curpic, newpic ;
- path bb, pp ;
- pp := s_path ;
- curpic := currentpicture ;
- currentpicture := nullpicture ;
- s_draw pp s_text ;
- bb := boundingbox currentpicture ;
- newpic := currentpicture ;
- currentpicture := nullpicture;
- ww := min(ypart urcorner newpic - ypart llcorner newpic,xpart urcorner newpic - xpart llcorner newpic) ;
- ww := ww/(stripe_slot*stripe_n) ;
- for i=1/stripe_n step 1/stripe_n until 1 :
- draw point (1+i) of bb -- point (3-i) of bb withpen pencircle scaled ww s_spec ;
- endfor ;
- for i=0 step 1/stripe_n until 1 :
- draw point (3+i) of bb -- point (1-i) of bb withpen pencircle scaled ww s_spec;
- endfor ;
- clip currentpicture to pp ;
- addto newpic also currentpicture ;
- currentpicture := curpic ;
- addto currentpicture also newpic ;
- endgroup ;
+ draw image(s_draw s_path s_text) numberstriped(3,0,0) s_spec ;
enddef ;
def stripe_path_a (text s_spec) (text s_draw) expr s_path =
@@ -389,33 +555,8 @@ def stripe_path_a (text s_spec) (text s_draw) expr s_path =
enddef;
def do_stripe_path_a (text s_spec) (text s_draw) (expr s_path) text s_text =
- begingroup ;
- save curpic, newpic, pp; picture curpic, newpic; path pp ;
- pp := s_path ;
- curpic := currentpicture ;
- currentpicture := nullpicture ;
- s_draw pp s_text ;
- def do_stripe_rotation (expr p) =
- (currentpicture rotatedaround(center p,stripe_angle))
- enddef ;
- s_max := max (
- xpart llcorner do_stripe_rotation(currentpicture),
- xpart urcorner do_stripe_rotation(currentpicture),
- ypart llcorner do_stripe_rotation(currentpicture),
- ypart urcorner do_stripe_rotation(currentpicture)
- ) ;
- newpic := currentpicture ;
- currentpicture := nullpicture ;
- for i=-s_max-.5stripe_gap step stripe_gap until s_max :
- draw (-s_max,i)--(s_max,i) s_spec ;
- endfor ;
- currentpicture := do_stripe_rotation(newpic) ;
- clip currentpicture to pp ;
- addto newpic also currentpicture ;
- currentpicture := curpic ;
- addto currentpicture also newpic ;
- endgroup ;
-enddef;
+ draw image(s_draw s_path s_text) anglestriped(3,0,0) s_spec ;
+enddef ;
%D A few normalizing macros:
@@ -763,32 +904,32 @@ primarydef p randomized s = (
p randomshifted s
elseif cmykcolor p :
if color s :
- (uniformdeviate cyanpart s * cyanpart p,
- uniformdeviate magentapart s * magentapart p,
- uniformdeviate yellowpart s * yellowpart p,
- uniformdeviate blackpart s * blackpart p)
+ ((uniformdeviate cyanpart s) * cyanpart p,
+ (uniformdeviate magentapart s) * magentapart p,
+ (uniformdeviate yellowpart s) * yellowpart p,
+ (uniformdeviate blackpart s) * blackpart p)
elseif pair s :
- ((xpart s + uniformdeviate (ypart s - xpart s)) * p)
+ ((xpart s + (uniformdeviate (ypart s - xpart s))) * p)
else :
- (uniformdeviate s * p)
+ ((uniformdeviate s) * p)
fi
elseif rgbcolor p :
if color s :
- (uniformdeviate redpart s * redpart p,
- uniformdeviate greenpart s * greenpart p,
- uniformdeviate bluepart s * bluepart p)
+ ((uniformdeviate redpart s) * redpart p,
+ (uniformdeviate greenpart s) * greenpart p,
+ (uniformdeviate bluepart s) * bluepart p)
elseif pair s :
- ((xpart s + uniformdeviate (ypart s - xpart s)) * p)
+ ((xpart s + (uniformdeviate (ypart s - xpart s))) * p)
else :
- (uniformdeviate s * p)
+ ((uniformdeviate s) * p)
fi
elseif color p :
if color s :
- (uniformdeviate greypart s * greypart p)
+ ((uniformdeviate greypart s) * greypart p)
elseif pair s :
- ((xpart s + uniformdeviate (ypart s - xpart s)) * p)
+ ((xpart s + (uniformdeviate (ypart s - xpart s))) * p)
else :
- (uniformdeviate s * p)
+ ((uniformdeviate s) * p)
fi
else :
p + uniformdeviate s
@@ -966,7 +1107,7 @@ def mfun_draw_pointlabels text t =
pair _p_ ; _p_ := (point _i_ of _c_) ;
_u_ := 12 * defaultscale * _u_ ;
normaldraw thelabel ( decimal _i_, _p_ shifted if cycle _c_ and (_i_=0) : - fi _u_ ) _lab_opt_ t ;
- endfor ;
+ endfor ;
enddef;
%D Bounding box.
@@ -1137,12 +1278,12 @@ def _finarr text t =
draw arrowhead _apth t ;
enddef;
-def _findarr text t =
+def _finarr text t =
if autoarrows : set_ahlength (t) fi ;
- draw arrowpath _apth t ;
- fill arrowhead _apth withpen currentpen t ;
- fill arrowhead reverse _apth withpen currentpen t ;
-enddef ;
+ draw arrowpath _apth t ; % arrowpath added
+ fill arrowhead _apth t ;
+ draw arrowhead _apth t undashed ;
+enddef;
%D Handy too ......
@@ -1165,10 +1306,10 @@ def centerarrow (expr pat,tim,len) = pointarrow(pat,tim,len, 0) enddef ;
%D The \type {along} and \type {on} operators can be used
%D as follows:
%D
-%D \starttypen
+%D \starttyping
%D drawdot point .5 along somepath ;
%D drawdot point 3cm on somepath ;
-%D \stoptypen
+%D \stoptyping
%D
%D The number denotes a percentage (fraction).
@@ -1225,9 +1366,9 @@ vardef freedotlabel (expr str, loc, ori) =
draw thefreelabel(str,loc,ori) ;
enddef ;
-%D \starttypen
+%D \starttyping
%D drawarrow anglebetween(line_a,line_b,somelabel) ;
-%D \stoptypen
+%D \stoptyping
newinternal angleoffset ; angleoffset := 0pt ;
newinternal anglelength ; anglelength := 20pt ;
@@ -2308,6 +2449,24 @@ enddef ;
% )
% enddef ;
+%D New helpers:
+
+def beginglyph(expr unicode, width, height, depth) =
+ beginfig(unicode) ; % the number is irrelevant
+ charcode := unicode ;
+ charwd := width ;
+ charht := height ;
+ chardp := depth ;
+enddef ;
+
+def endglyph =
+ setbounds currentpicture to (boundingbox unitsquare xscaled charwd yscaled (charht + chardp) shifted (0,-chardp)) ;
+ if known charscale :
+ currentpicture := currentpicture scaled charscale ;
+ fi ;
+ endfig ;
+enddef ;
+
%D Dimensions have bever been an issue as traditional MP can't make that large
%D pictures, but with double mode we need a catch:
@@ -2322,3 +2481,5 @@ def mfun_apply_max_dimensions = % not a generic helper, we want to protect this
enddef;
extra_endfig := extra_endfig & "mfun_apply_max_dimensions ;" ;
+
+let dump = relax ;
diff --git a/metapost/context/fonts/bidi-symbols.mp b/metapost/context/fonts/bidi-symbols.mp
new file mode 100644
index 000000000..abe48b951
--- /dev/null
+++ b/metapost/context/fonts/bidi-symbols.mp
@@ -0,0 +1,73 @@
+%D \module
+%D [ file=bidi-symbols.mp,
+%D version=2013.09.06,
+%D title=\CONTEXT\ \METAPOST\ graphics,
+%D subtitle=demo font,
+%D author=Hans Hagen,
+%D date=\currentdate,
+%D copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
+%C
+%C This module is part of the \CONTEXT\ macro||package and is
+%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
+%C details.
+
+passvariable("fontname","bidi-symbols") ;
+passvariable("fontversion","1.009") ;
+
+numeric font_bidi_dp ; font_bidi_dp := -6 ;
+numeric font_bidi_wd ; font_bidi_wd := -12 ;
+
+% beginfig(1) ; % lre
+% charcode := 8234 ; charwd := 0 ; charht := 0 ; chardp := 0 ;
+% drawarrow (0,0) -- (0,font_bidi_dp) -- (font_bidi_wd,font_bidi_dp) withcolor red ;
+% currentpicture := currentpicture scaled charscale ;
+% setbounds currentpicture to boundingbox nullpicture ;
+% endfig ;
+%
+% beginfig(2) ; % rle
+% charcode := 8235 ; charwd := 0 ; charht := 0 ; chardp := 0 ;
+% drawarrow (0,0) -- (0,font_bidi_dp) -- (-font_bidi_wd,font_bidi_dp) withcolor green ;
+% currentpicture := currentpicture scaled charscale ;
+% setbounds currentpicture to boundingbox nullpicture ;
+% endfig ;
+%
+% beginfig(3) ; % pdf
+% charcode := 8236 ; charwd := 0 ; charht := 0 ; chardp := 0 ;
+% draw (0,0) -- (0,font_bidi_dp) -- (-font_bidi_wd/2,font_bidi_dp) -- (font_bidi_wd/2,font_bidi_dp) withcolor blue ;
+% currentpicture := currentpicture scaled charscale ;
+% setbounds currentpicture to boundingbox nullpicture ;
+% endfig ;
+%
+% beginfig(4) ; % lro
+% charcode := 8237 ; charwd := 0 ; charht := 0 ; chardp := 0 ;
+% drawarrow reverse ((0,0) -- (0,font_bidi_dp) -- (font_bidi_wd,font_bidi_dp)) withcolor red ;
+% currentpicture := currentpicture scaled charscale ;
+% setbounds currentpicture to boundingbox nullpicture ;
+% endfig ;
+%
+% beginfig(5) ; % rlo
+% charcode := 8238 ; charwd := 0 ; charht := 0 ; chardp := 0 ;
+% drawarrow reverse ((0,0) -- (0,font_bidi_dp) -- (-font_bidi_wd,font_bidi_dp)) withcolor green ;
+% currentpicture := currentpicture scaled charscale ;
+% setbounds currentpicture to boundingbox nullpicture ;
+% endfig ;
+
+beginglyph(8234,0,0,0) ; % lre
+ drawarrow (0,0) -- (0,font_bidi_dp) -- (font_bidi_wd,font_bidi_dp) withcolor red ;
+endglyph ;
+
+beginglyph(8235,0,0,0) ; % rle
+ drawarrow (0,0) -- (0,font_bidi_dp) -- (-font_bidi_wd,font_bidi_dp) withcolor green ;
+endglyph ;
+
+beginglyph(8236,0,0,0) ; % pdf
+ draw (0,0) -- (0,font_bidi_dp) -- (-font_bidi_wd/2,font_bidi_dp) -- (font_bidi_wd/2,font_bidi_dp) withcolor blue ;
+endglyph ;
+
+beginglyph(8237,0,0,0) ; % lro
+ drawarrow reverse ((0,0) -- (0,font_bidi_dp) -- (font_bidi_wd,font_bidi_dp)) withcolor red ;
+endglyph ;
+
+beginglyph(8238,0,0,0) ; % rlo
+ drawarrow reverse ((0,0) -- (0,font_bidi_dp) -- (-font_bidi_wd,font_bidi_dp)) withcolor green ;
+endglyph ;
diff --git a/metapost/context/fonts/bidi-symbols.tex b/metapost/context/fonts/bidi-symbols.tex
new file mode 100644
index 000000000..800e0e4ea
--- /dev/null
+++ b/metapost/context/fonts/bidi-symbols.tex
@@ -0,0 +1,32 @@
+% \nopdfcompression
+
+% At the ConTeXt 2013 meeting Taco suggested to add ActualText entries to the
+% shapes. It took us a bit of experimenting and the current implementation of
+% this is quite okay, but beware: some viewers will add a space when copying
+% such characters.
+
+\starttext
+
+ \definemetafont[bidi-symbols][bidi-symbols.mp]
+
+ \startbuffer
+ xxx{\demo\char"202A}\relax xxx\quad % lre
+ xxx{\demo\char"202B}\relax xxx\quad % rle
+ xxx{\demo\char"202C}\relax xxx\quad % pdf
+ xxx{\demo\char"202D}\relax xxx\quad % lro
+ xxx{\demo\char"202E}\relax xxx\quad % rlo
+ \stopbuffer
+
+ \definefont[demo][demo@bidi-symbols]
+
+ \getbuffer \blank
+
+ \definefont[demo][demo@bidi-symbols at \the\dimexpr3\exheight]
+
+ \getbuffer \blank
+
+ \definefont[demo][demo@bidi-symbols at \the\dimexpr4\exheight]
+
+ \getbuffer \blank
+
+\stoptext
diff --git a/metapost/context/fonts/demo-symbols.mp b/metapost/context/fonts/demo-symbols.mp
new file mode 100644
index 000000000..822854c94
--- /dev/null
+++ b/metapost/context/fonts/demo-symbols.mp
@@ -0,0 +1,21 @@
+%D \module
+%D [ file=demo-symbols.mp,
+%D version=2013.09.06,
+%D title=\CONTEXT\ \METAPOST\ graphics,
+%D subtitle=demo font,
+%D author=Hans Hagen,
+%D date=\currentdate,
+%D copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
+%C
+%C This module is part of the \CONTEXT\ macro||package and is
+%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
+%C details.
+
+passvariable("fontname","demo-symbols") ;
+passvariable("fontversion","1.005") ;
+
+beginglyph(9754,2,4,0) ; % high voltage
+ interim ahlength := 1 ;
+ drawarrow (1,4) -- (0,2) -- (2,3) -- (1,0) withcolor darkred ;
+endglyph ;
+
diff --git a/metapost/context/fonts/demo-symbols.tex b/metapost/context/fonts/demo-symbols.tex
new file mode 100644
index 000000000..e9af4a027
--- /dev/null
+++ b/metapost/context/fonts/demo-symbols.tex
@@ -0,0 +1,21 @@
+\starttext
+
+ \definemetafont[demo-symbols][demo-symbols.mp]
+
+ \startbuffer
+ watch this: {\demo\char"261A} \quad \ruledhbox{\demo\char"261A}
+ \stopbuffer
+
+ \definefont[demo][demo@demo-symbols]
+
+ \getbuffer \blank
+
+ \definefont[demo][demo@demo-symbols at \the\dimexpr3\exheight]
+
+ \getbuffer \blank
+
+ \definefont[demo][demo@demo-symbols at \the\dimexpr4\exheight]
+
+ \getbuffer \blank
+
+\stoptext
diff --git a/metapost/context/font/punkfont-bold.mp b/metapost/context/fonts/punkfont-bold.mp
index 1c62963f9..1c62963f9 100644
--- a/metapost/context/font/punkfont-bold.mp
+++ b/metapost/context/fonts/punkfont-bold.mp
diff --git a/metapost/context/font/punkfont-boldslanted.mp b/metapost/context/fonts/punkfont-boldslanted.mp
index 3e5fa1561..3e5fa1561 100644
--- a/metapost/context/font/punkfont-boldslanted.mp
+++ b/metapost/context/fonts/punkfont-boldslanted.mp
diff --git a/metapost/context/font/punkfont-characters.mp b/metapost/context/fonts/punkfont-characters.mp
index da0015b02..da0015b02 100644
--- a/metapost/context/font/punkfont-characters.mp
+++ b/metapost/context/fonts/punkfont-characters.mp
diff --git a/metapost/context/font/punkfont-definitions.mp b/metapost/context/fonts/punkfont-definitions.mp
index 2901a9d03..2901a9d03 100644
--- a/metapost/context/font/punkfont-definitions.mp
+++ b/metapost/context/fonts/punkfont-definitions.mp
diff --git a/metapost/context/font/punkfont-slanted.mp b/metapost/context/fonts/punkfont-slanted.mp
index 5c1ff46b2..5c1ff46b2 100644
--- a/metapost/context/font/punkfont-slanted.mp
+++ b/metapost/context/fonts/punkfont-slanted.mp
diff --git a/metapost/context/font/punkfont.mp b/metapost/context/fonts/punkfont.mp
index 2a03aae81..2a03aae81 100644
--- a/metapost/context/font/punkfont.mp
+++ b/metapost/context/fonts/punkfont.mp