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authorTaco Hoekwater <taco@elvenkind.com>2007-11-28 22:38:47 +0000
committerTaco Hoekwater <taco@elvenkind.com>2007-11-28 22:38:47 +0000
commit068f23e738bb4d158c6e5986cb24ea6bddcee0eb (patch)
treebde51f1a1de612c002e6d9eaac407fd789ea9a1f /Build/source
parentefd2ea1905cc57421e4d5b3123797164601993a4 (diff)
MetaPost version 1.002
git-svn-id: svn://tug.org/texlive/trunk@5639 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source')
-rw-r--r--Build/source/texk/web2c/dvitomp.ch8
-rw-r--r--Build/source/texk/web2c/dvitomp.web2
-rw-r--r--Build/source/texk/web2c/lib/texmfmp.c4
-rw-r--r--Build/source/texk/web2c/metapost.mk22
-rw-r--r--Build/source/texk/web2c/mp.web204
-rw-r--r--Build/source/texk/web2c/mpdir/Makefile.in4
-rw-r--r--Build/source/texk/web2c/mpdir/mp.defines2
-rw-r--r--Build/source/texk/web2c/mpdir/mplib.h4
-rw-r--r--Build/source/texk/web2c/mpdir/turningnumber.c113
-rw-r--r--Build/source/texk/web2c/mpdir/writefont.c11
-rw-r--r--Build/source/texk/web2c/mpware/dmp.c4
-rw-r--r--Build/source/texk/web2c/mpware/makempx.c2
-rw-r--r--Build/source/texk/web2c/mpware/mpto.c51
-rw-r--r--Build/source/texk/web2c/mpware/newer.c2
14 files changed, 324 insertions, 109 deletions
diff --git a/Build/source/texk/web2c/dvitomp.ch b/Build/source/texk/web2c/dvitomp.ch
index c30adbbaeca..ca7eac60830 100644
--- a/Build/source/texk/web2c/dvitomp.ch
+++ b/Build/source/texk/web2c/dvitomp.ch
@@ -26,12 +26,12 @@
@z
@x [1] Duplicate banner line for use in |print_version_and_exit|.
-@d banner=='% Written by DVItoMP, Version 0.992'
+@d banner=='% Written by DVItoMP, Version 1.002'
{the first line of the output file}
@y
-@d banner=='% Written by DVItoMP, Version 0.992/color'
+@d banner=='% Written by DVItoMP, Version 1.002/color'
{the first line of the output file}
-@d term_banner=='This is DVItoMP, Version 0.992/color'
+@d term_banner=='This is DVItoMP, Version 1.002/color'
{the same in the usual format, as it would be shown on a terminal}
@z
@@ -442,7 +442,7 @@ begin
usage_help (DVITOMP_HELP, nil);
end else if argument_is ('version') then begin
- print_version_and_exit (term_banner, 'AT&T Bell Laboraties', 'John Hobby.', nil);
+ print_version_and_exit (term_banner, 'AT&T Bell Laboraties', 'John Hobby.');
end; {Else it was a flag; |getopt| has already done the assignment.}
until getopt_return_val = -1;
diff --git a/Build/source/texk/web2c/dvitomp.web b/Build/source/texk/web2c/dvitomp.web
index 01c76c6b72a..85b4dfc732c 100644
--- a/Build/source/texk/web2c/dvitomp.web
+++ b/Build/source/texk/web2c/dvitomp.web
@@ -65,7 +65,7 @@ an ``\.{MPX}'' file.
The |banner| string defined here should be changed whenever \.{DVItoMP}
gets modified.
-@d banner=='% Written by DVItoMP, Version 0.992'
+@d banner=='% Written by DVItoMP, Version 1.002'
{the first line of the output file}
@ This program is written in standard \PASCAL, except where it is necessary
diff --git a/Build/source/texk/web2c/lib/texmfmp.c b/Build/source/texk/web2c/lib/texmfmp.c
index 8a2cc4896d9..b33882f7c5a 100644
--- a/Build/source/texk/web2c/lib/texmfmp.c
+++ b/Build/source/texk/web2c/lib/texmfmp.c
@@ -88,9 +88,9 @@
#define edit_var "MFEDIT"
#endif /* MF */
#ifdef MP
-#define BANNER "This is MetaPost, Version 0.993"
+#define BANNER "This is MetaPost, Version 1.002"
#define COPYRIGHT_HOLDER "AT&T Bell Laboratories"
-#define AUTHOR "John Hobby"
+#define AUTHOR "John Hobby.\nCurrent maintainer of MetaPost: Taco Hoekwater"
#define PROGRAM_HELP MPHELP
#define BUG_ADDRESS "tex-k@mail.tug.org"
#define DUMP_VAR MPmemdefault
diff --git a/Build/source/texk/web2c/metapost.mk b/Build/source/texk/web2c/metapost.mk
index 0f3b9f164f1..da28a13ca49 100644
--- a/Build/source/texk/web2c/metapost.mk
+++ b/Build/source/texk/web2c/metapost.mk
@@ -1,5 +1,5 @@
# Makefile fragment for MetaPost.
-# $Id: metapost.mk,v 1.2 2005/07/25 10:03:53 olaf Exp $
+# $Id: metapost.mk,v 1.15 2005/07/04 07:51:41 taco Exp $
#
# Public domain.
#
@@ -20,21 +20,19 @@ mpware_sources = mpware/dmp.c mpware/makempx.in mpware/mpto.c mpware/newer.c
mp_c = mpini.c mp0.c mp1.c mp2.c
mp_o = mpini.o mp0.o mp1.o mp2.o mpextra.o loadpool.o
-# this will break cross-compiles, but i dont know how to fix.
-# -- Taco
loadpool.c: mp.pool $(mpostdir)/makecpool
- ./$(mpostdir)/makecpool mp.pool mpdir/mplib.h > loadpool.c
-
+ $(native)/$(mpostdir)/makecpool mp.pool mpdir/mplib.h > loadpool.c
+# mpostlibsdep also includes makecpool
mpost: $(mp_o) $(mpostlibsdep)
$(kpathsea_link) $(mp_o) $(mpostlibs) $(LOADLIBES)
-$(mp_c) mpcoerce.h mpd.h: mp.p $(web2c_texmf) $(srcdir)/$(mpostdir)/mp.defines web2c/cvtmf1.sed web2c/cvtmf2.sed
+$(mp_c) mpcoerce.h mpd.h: mp.p $(web2c_texmf) $(srcdir)/$(mpostdir)/mp.defines web2c/cvtmf1.sed web2c/cvtmf2.sed
$(web2c) mp
mpextra.c: lib/texmfmp.c
sed s/TEX-OR-MF-OR-MP/mp/ $(srcdir)/lib/texmfmp.c >$@
-mp.p mp.pool: tangle mp.web mp.ch
- $(tangle) mp.web mp.ch
+mp.p mp.pool: tie tangle mp.web mp.ch
+ $(tangle) $(srcdir)/mp.web $(srcdir)/mp.ch
check: mpost-check
-mpost-check: mptrap mpost.mem $(mpware_programs)
+mpost-check: mptrap mpost.mem $(mpware)
./mpost --progname=mpost '&./mpost \tracingstats:=1; end.'
TEXMFCNF=../kpathsea \
MAKEMPX_BINDIR=`pwd`:`pwd`/mpware MPXCOMMAND=mpware/makempx \
@@ -96,9 +94,13 @@ mptrap-clean:
# mpware
# We put mpware (written directly in C) in a subdirectory.
+$(mpware): $(mpware_programs)
+
$(mpware_programs): $(mpware_sources)
- cd mpware && $(MAKE) $(common_makeargs)
+ cd $(mpware) && $(MAKE) $(common_makeargs)
install-programs: install-mpware-programs
install-mpware-programs: $(mpware_programs)
cd $(mpware) && $(MAKE) $(install_makeargs) install-exec
+
+mp-programs: $(metapost) $(mpware)
diff --git a/Build/source/texk/web2c/mp.web b/Build/source/texk/web2c/mp.web
index 8f8ef7eb6c8..26dc205e7fa 100644
--- a/Build/source/texk/web2c/mp.web
+++ b/Build/source/texk/web2c/mp.web
@@ -97,8 +97,8 @@ undergoes any modifications, so that it will be clear which version of
@^extensions to \MP@>
@^system dependencies@>
-@d banner=='This is MetaPost, Version 0.993' {printed when \MP\ starts}
-@d metapost_version=="0.993"
+@d banner=='This is MetaPost, Version 1.002' {printed when \MP\ starts}
+@d metapost_version=="1.002"
@ Different \PASCAL s have slightly different conventions, and the present
@!@:PASCAL H}{\ph@>
@@ -17088,10 +17088,7 @@ if p<>null then
found:pict_length:=n;
end;
-@ The turning number is computed only with respect to a triangular pen whose
-@:turning_number_}{\&{turningnumber} primitive@>
-vertices are $(0,1)$ and $(\pm{1\over2},0)$. The choice of pen isn't supposed
-to matter but rounding error could make a difference if the path has a cusp.
+@ Implement |turningnumber|
@<Additional cases of unary...@>=
turning_op:if cur_type=pair_type then flush_cur_exp(0)
@@ -17099,9 +17096,100 @@ turning_op:if cur_type=pair_type then flush_cur_exp(0)
else if left_type(cur_exp)=endpoint then
flush_cur_exp(0) {not a cyclic path}
else begin
- flush_cur_exp(turn_cycles(cur_exp));
+ flush_cur_exp(turn_cycles_wrapper(cur_exp));
end;
+@ The function |an_angle| returns the value of the |angle| primitive, or $0$ if the
+argument is |origin|.
+
+@<Declare unary action...@>=
+function an_angle (@!xpar,@!ypar:scaled):angle;
+begin
+ if (not ((xpar=0) and (ypar=0))) then
+ an_angle := n_arg(xpar,ypar)
+ else
+ an_angle := 0;
+end;
+
+@ The actual turning number is (for the moment) computed in a C function
+that receives eight integers corresponding to the four controlling points,
+and returns a single angle. Besides those, we have to account for discrete
+moves at the actual points.
+
+@d p_nextnext==link(link(p))
+@d p_next==link(p)
+
+@d seven_twenty_deg==@'5500000000 {$720\cdot2^{20}$, represents $720^\circ$}
+
+@<Declare unary action...@>=
+function new_turn_cycles (@!c:pointer):scaled;
+label exit;
+var @!res,ang:angle; { the angles of intermediate results }
+@!turns:scaled; { the turn counter }
+@!p:pointer; { for running around the path }
+@!xp,yp:integer; { coordinates of next point }
+@!x,y:integer; { helper coordinates }
+@!in_angle,out_angle:angle; { helper angles}
+@!old_setting:0..max_selector; {saved |selector| setting}
+begin
+res:=0;
+turns:= 0;
+p:=c;
+old_setting := selector; selector:=term_only;
+if internal[tracing_commands]>unity then begin
+ begin_diagnostic;
+ print_nl("");
+ end_diagnostic(false);
+end;
+repeat
+ xp := x_coord(p_next); yp := y_coord(p_next);
+ ang := bezier_slope(x_coord(p), y_coord(p), right_x(p), right_y(p),
+ left_x(p_next), left_y(p_next), xp, yp, internal[tracing_commands]);
+ if ang>seven_twenty_deg then begin
+ print_err("Strange path");
+ error;
+ new_turn_cycles := 0;
+ return;
+ end;
+ res := res + ang;
+ if res > one_eighty_deg then begin
+ res := res - three_sixty_deg;
+ turns := turns + unity;
+ end;
+ if res <= -one_eighty_deg then begin
+ res := res + three_sixty_deg;
+ turns := turns - unity;
+ end;
+ { incoming angle at next point }
+ x := left_x(p_next); y := left_y(p_next);
+ if (xp=x)and(yp=y) then begin x := right_x(p); y := right_y(p); end;
+ if (xp=x)and(yp=y) then begin x := x_coord(p); y := y_coord(p); end;
+ in_angle := an_angle(xp - x, yp - y);
+ { outgoing angle at next point }
+ x := right_x(p_next); y := right_y(p_next);
+ if (xp=x)and(yp=y) then begin x := left_x(p_nextnext); y := left_y(p_nextnext); end;
+ if (xp=x)and(yp=y) then begin x := x_coord(p_nextnext); y := y_coord(p_nextnext); end;
+ out_angle := an_angle(x - xp, y- yp);
+ ang := (out_angle - in_angle);
+ reduce_angle(ang);
+ if ang<>0 then begin
+ res := res + ang;
+ if res >= one_eighty_deg then begin
+ res := res - three_sixty_deg;
+ turns := turns + unity;
+ end;
+ if res <= -one_eighty_deg then begin
+ res := res + three_sixty_deg;
+ turns := turns - unity;
+ end;
+ end;
+ p := link(p);
+until p=c;
+new_turn_cycles := turns;
+exit:
+selector:=old_setting;
+end;
+
@ This code is based on Bogus\l{}av Jackowski's
|emergency_turningnumber| macro, with some minor changes by Taco
@@ -17130,19 +17218,6 @@ the old code was not always correct either, and worse, it sometimes failed for w
paths as well. All known bugs that were triggered by the original code no longer occur
with this code, and it runs roughly 3 times as fast because the algorithm is much simpler.
-@ The macro |Angle()| returns the value of the |angle| primitive, or $0$ if the argument is
-|origin|. Converting that calling convention to web code gives the |an_angle| function.
-
-@<Declare unary action...@>=
-function an_angle (@!xpar,@!ypar:scaled):angle;
-begin
- if (not ((xpar=0) and (ypar=0))) then
- an_angle := n_arg(xpar,ypar)
- else
- an_angle := 0;
-end;
-
-
@ It is possible to overflow the return value of the |turn_cycles|
function when the path is sufficiently long and winding, but I am not
going to bother testing for that. In any case, it would only return
@@ -17163,29 +17238,50 @@ var @!res,ang:angle; { the angles of intermediate results }
@!turns:scaled; { the turn counter }
@!p:pointer; { for running around the path }
begin res:=0; turns:= 0; p:=c;
-if ((link(p) = p) or (link(link(p)) = p)) then
- if an_angle (x_coord(p) - right_x(p), y_coord(p) - right_y(p)) >= 0 then
- turn_cycles := unity
- else
- turn_cycles := -unity
-else begin
- repeat
- ang := an_angle (x_coord(p_to) - x_coord(p_here), y_coord(p_to) - y_coord(p_here))
- - an_angle (x_coord(p_here) - x_coord(p_from), y_coord(p_here) - y_coord(p_from));
- reduce_angle(ang);
- res := res + ang;
- if res >= three_sixty_deg then begin
- res := res - three_sixty_deg;
- turns := turns + unity;
- end;
- if res <= -three_sixty_deg then begin
- res := res + three_sixty_deg;
- turns := turns - unity;
- end;
- p := link(p);
- until p=c;
- turn_cycles := turns;
+repeat
+ ang := an_angle (x_coord(p_to) - x_coord(p_here), y_coord(p_to) - y_coord(p_here))
+ - an_angle (x_coord(p_here) - x_coord(p_from), y_coord(p_here) - y_coord(p_from));
+ reduce_angle(ang);
+ res := res + ang;
+ if res >= three_sixty_deg then begin
+ res := res - three_sixty_deg;
+ turns := turns + unity;
+ end;
+ if res <= -three_sixty_deg then begin
+ res := res + three_sixty_deg;
+ turns := turns - unity;
+ end;
+ p := link(p);
+until p=c;
+turn_cycles := turns;
end;
+
+@ @<Declare unary action...@>=
+function turn_cycles_wrapper (@!c:pointer):scaled;
+ var nval,oval:scaled;
+ saved_t_o:scaled; {tracing\_online saved }
+begin
+ if (link(c)=c)or(link(link(c))=c) then
+ if an_angle (x_coord(c) - right_x(c), y_coord(c) - right_y(c)) > 0 then
+ turn_cycles_wrapper := unity
+ else
+ turn_cycles_wrapper := -unity
+ else begin
+ nval := new_turn_cycles(c);
+ oval := turn_cycles(c);
+ if nval<>oval then begin
+ saved_t_o:=internal[tracing_online];
+ internal[tracing_online]:=unity;
+ begin_diagnostic;
+ print_nl ("Warning: the turningnumber algorithms do not agree. The current computed value is ");
+ print_scaled(nval);
+ print(", but the 'connect-the-dots' algorithm returned ");
+ print_scaled(oval);
+ end_diagnostic(false);
+ internal[tracing_online]:=saved_t_o;
+ end;
+ turn_cycles_wrapper := nval;
+ end;
end;
@ @<Declare unary action...@>=
@@ -21649,6 +21745,7 @@ This routine issues a warning message if the user has asked for it.
procedure lost_warning(@!f:font_number;@!k:pool_pointer);
begin if internal[tracing_lost_chars]>0 then
begin begin_diagnostic;
+ if selector=log_only then incr(selector);
print_nl("Missing character: There is no ");
@.Missing character@>
print(so(str_pool[k])); print(" in font ");
@@ -21786,8 +21883,7 @@ function new_dummy_font: font_number;
begin
new_dummy_font := read_font_info("dummy");
end;
-
-@x
+@#
function round_xn_over_d(@!x:scaled; @!n,@!d:integer):scaled;
var positive:boolean; {was |x>=0|?}
@!t,@!u,@!v:nonnegative_integer; {intermediate quantities}
@@ -22395,9 +22491,9 @@ begin
(gs_colormodel<>cmyk_model) then
begin
if color_model(p)=uninitialized_model then begin
- gs_red:=unity;
- gs_green:=unity;
- gs_blue:=unity;
+ gs_red:=0;
+ gs_green:=0;
+ gs_blue:=0;
gs_black:=unity;@/
end
else begin
@@ -22649,14 +22745,14 @@ if internal[mpprocset]=0 then begin
else begin
if fill_also then print_nl("B") else print_ln;
if (txy<>0)or(tyx<>0) then
- begin {print_ln;}
+ begin
print(" [");
ps_pair_out(txx,tyx);
ps_pair_out(txy,tyy);@/
ps_print("0 0] t");
end
else if (txx<>unity)or(tyy<>unity) then
- begin {print_ln;}
+ begin
ps_pair_out(txx,tyy);
print(" s");
end;
@@ -22673,7 +22769,7 @@ tyx:=left_y(p);@/
txy:=right_x(p);
tyy:=right_y(p);
if (x_coord(p)<>0)or(y_coord(p)<>0) then
- begin print_ln; print_cmd("gsave ","q ");
+ begin print_nl(""); print_cmd("gsave ","q ");
ps_pair_out(x_coord(p),y_coord(p));
ps_print("translate ");@/
txx:=txx-x_coord(p);
@@ -23046,9 +23142,7 @@ end
@ @<Print any pending specials@>=
t:=link(spec_head);
while t<>null do
- begin if length(value(t))<=emergency_line_length then print(value(t))
- else overflow("output line length",emergency_line_length);
-@:MetaPost capacity exceeded output line length}{\quad output line length@>
+ begin print(value(t));
print_ln;
t:=link(t);
end;
@@ -23202,7 +23296,7 @@ begin
end
else begin
begin_diagnostic;
- {selector:=term_and_log;}
+ if selector=log_only then incr(selector);
print_err("Warning: font ");
print(font_name[f]);
print(" cannot be found in any fontmapfile!");
@@ -23696,11 +23790,13 @@ if ldf<>null_font then begin
end;
end;
if internal[mpprocset]>0 then begin
+ print_nl("%%BeginResource: procset mpost");
if (internal[prologues]>0)and(ldf<>null_font) then
print("/bd{bind def}bind def/fshow {exch findfont exch scalefont setfont show}bd")
else
print_nl("/bd{bind def}bind def");
@<Print the procset@>;
+ print_nl("%%EndResource");
print_ln;
end;
end
diff --git a/Build/source/texk/web2c/mpdir/Makefile.in b/Build/source/texk/web2c/mpdir/Makefile.in
index c6abb102f2d..5b1cbc6893c 100644
--- a/Build/source/texk/web2c/mpdir/Makefile.in
+++ b/Build/source/texk/web2c/mpdir/Makefile.in
@@ -14,7 +14,7 @@ CXX = @CXX@
XCPPFLAGS=-I.. -I$(srcdir)/.. -I../.. -I$(srcdir)/../..
-OBJS = mapfile.o avl.o avlstuff.o utils.o writeenc.o writet1.o writefont.o
+OBJS = mapfile.o avl.o avlstuff.o utils.o writeenc.o writet1.o writefont.o turningnumber.o
all: libmpost.a makecpool
@@ -34,7 +34,7 @@ clean::
depend:
rm -f $(OBJS)
XXCFLAGS=-MM XCFLAGS=-MM $(MAKE) -k $(OBJS) | \
- grep -v "^$(CC)\|$(CXX)\|$(AR)\|make\|klibtool" | \
+ grep -v "^$(CC)\|$(CXX)\|$(AR)\|make" | \
sed 's: [^ ]*/\.\./libs/[^ ]*::g' > $(srcdir)/depend.mk
kpse_include mpdir/depend.mk
diff --git a/Build/source/texk/web2c/mpdir/mp.defines b/Build/source/texk/web2c/mpdir/mp.defines
index 90f196b1ff5..7af554a389a 100644
--- a/Build/source/texk/web2c/mpdir/mp.defines
+++ b/Build/source/texk/web2c/mpdir/mp.defines
@@ -54,4 +54,4 @@ $Id$
{ function from turningnumber.c }
-@define function bezierslope(); \ No newline at end of file
+@define function bezierslope();
diff --git a/Build/source/texk/web2c/mpdir/mplib.h b/Build/source/texk/web2c/mpdir/mplib.h
index 363836a994d..232956dbff7 100644
--- a/Build/source/texk/web2c/mpdir/mplib.h
+++ b/Build/source/texk/web2c/mpdir/mplib.h
@@ -297,4 +297,8 @@ extern void writezip (boolean);
extern void avlputobj (integer, integer);
extern integer avlfindobj (integer, integer, integer);
+/* turningnumber.c */
+
+extern angle bezierslope(integer,integer,integer,integer,integer,integer,integer,integer,int);
+
#endif /* MPOSTLIB */
diff --git a/Build/source/texk/web2c/mpdir/turningnumber.c b/Build/source/texk/web2c/mpdir/turningnumber.c
new file mode 100644
index 00000000000..bfb7d9133d2
--- /dev/null
+++ b/Build/source/texk/web2c/mpdir/turningnumber.c
@@ -0,0 +1,113 @@
+/* $Id$ */
+
+#include "mplib.h"
+
+#define bezier_error (720<<20)+1
+
+#define sign(v) ((v)>0 ? 1 : ((v)<0 ? -1 : 0 ))
+
+#define print_roots(a) { if (debuglevel>(65536*2)) \
+ fprintf(stdout,"bezierslope(): %s, i=%f, o=%f, angle=%f\n", \
+ (a),in,out,res); }
+
+#define out ((double)(xo>>20))
+#define mid ((double)(xm>>20))
+#define in ((double)(xi>>20))
+
+#define divisor (256*256)
+
+#define double2angle(a) (int)floor(a*256.0*256.0*16.0)
+
+angle
+bezierslope(integer AX,integer AY,integer BX,integer BY,
+ integer CX,integer CY,integer DX,integer DY, int debuglevel) {
+ double a, b, c;
+ integer deltax,deltay;
+ double ax,ay,bx,by,cx,cy,dx,dy;
+
+ angle xi = 0, xo = 0, xm = 0;
+ double res = 0;
+
+ ax=AX/divisor; ay=AY/divisor;
+ bx=BX/divisor; by=BY/divisor;
+ cx=CX/divisor; cy=CY/divisor;
+ dx=DX/divisor; dy=DY/divisor;
+
+ deltax = (BX-AX); deltay = (BY-AY);
+ if (deltax==0 && deltay == 0) { deltax=(CX-AX); deltay=(CY-AY); }
+ if (deltax==0 && deltay == 0) { deltax=(DX-AX); deltay=(DY-AY); }
+ xi = anangle(deltax,deltay);
+
+ deltax = (CX-BX); deltay = (CY-BY);
+ xm = anangle(deltax,deltay);
+
+ deltax = (DX-CX); deltay = (DY-CY);
+ if (deltax==0 && deltay == 0) { deltax=(DX-BX); deltay=(DY-BY); }
+ if (deltax==0 && deltay == 0) { deltax=(DX-AX); deltay=(DY-AY); }
+ xo = anangle(deltax,deltay);
+
+ a = (bx-ax)*(cy-by) - (cx-bx)*(by-ay); /* a = (bp-ap)x(cp-bp); */
+ b = (bx-ax)*(dy-cy) - (by-ay)*(dx-cx);; /* b = (bp-ap)x(dp-cp);*/
+ c = (cx-bx)*(dy-cy) - (dx-cx)*(cy-by); /* c = (cp-bp)x(dp-cp);*/
+
+ if (debuglevel>(65536*2)) {
+ fprintf(stdout,
+ "bezierslope(): (%.2f,%.2f),(%.2f,%.2f),(%.2f,%.2f),(%.2f,%.2f)\n",
+ ax,ay,bx,by,cx,cy,dx,dy);
+ fprintf(stdout,"bezierslope(): a,b,c,b^2,4ac: (%.2f,%.2f,%.2f,%.2f,%.2f)\n",a,b,c,b*b,4*a*c);
+ }
+
+ if ((a==0)&&(c==0)) {
+ res = (b==0 ? 0 : (out-in));
+ print_roots("no roots (a)");
+ } else if ((a==0)||(c==0)) {
+ if ((sign(b) == sign(a)) || (sign(b) == sign(c))) {
+ res = out-in; /* ? */
+ if (res<-180.0)
+ res += 360.0;
+ else if (res>180.0)
+ res -= 360.0;
+ print_roots("no roots (b)");
+ } else {
+ res = out-in; /* ? */
+ print_roots("one root (a)");
+ }
+ } else if ((sign(a)*sign(c))<0) {
+ res = out-in; /* ? */
+ if (res<-180.0)
+ res += 360.0;
+ else if (res>180.0)
+ res -= 360.0;
+ print_roots("one root (b)");
+ } else {
+ if (sign(a) == sign(b)) {
+ res = out-in; /* ? */
+ if (res<-180.0)
+ res += 360.0;
+ else if (res>180.0)
+ res -= 360.0;
+ print_roots("no roots (d)");
+ } else {
+ if ((b*b) == (4*a*c)) {
+ res = bezier_error;
+ /* print_roots("double root"); *//* cusp */
+ } else if ((b*b) < (4*a*c)) {
+ res = out-in; /* ? */
+ if (res<=0.0 &&res>-180.0)
+ res += 360.0;
+ else if (res>=0.0 && res<180.0)
+ res -= 360.0;
+ print_roots("no roots (e)");
+ } else {
+ res = out-in;
+ if (res<-180.0)
+ res += 360.0;
+ else if (res>180.0)
+ res -= 360.0;
+ print_roots("two roots"); /* two inflections */
+ }
+ }
+ }
+ return double2angle(res);
+}
+
diff --git a/Build/source/texk/web2c/mpdir/writefont.c b/Build/source/texk/web2c/mpdir/writefont.c
index e88b4dbab7d..899b42b54a2 100644
--- a/Build/source/texk/web2c/mpdir/writefont.c
+++ b/Build/source/texk/web2c/mpdir/writefont.c
@@ -184,17 +184,6 @@ void mpfontencodings (int lastfnum, int encodings_only) {
if (encodings_only || (!is_subsetted (fm))) {
e = fm->encoding;
write_enc (NULL, e, 0);
- }
- }
- }
- }
- }
- for (f=nullfont+1;f<=lastfnum;f++) {
- if (fontsizes[f]!=0 && hasfmentry (f)) {
- fm = (fm_entry *) mpfontmap[f];
- if (fm != NULL && (fm->ps_name != NULL)) {
- if (is_reencoded (fm)) {
- if (encodings_only || (!is_subsetted (fm))) {
/* clear for next run */
e->objnum = 0;
}
diff --git a/Build/source/texk/web2c/mpware/dmp.c b/Build/source/texk/web2c/mpware/dmp.c
index cf876f8aa91..9d8e4a21cef 100644
--- a/Build/source/texk/web2c/mpware/dmp.c
+++ b/Build/source/texk/web2c/mpware/dmp.c
@@ -23,8 +23,8 @@
* gets modified.
*/
-char *banner = "% Written by DMP, Version 0.992"; /* first line of output */
-char *term_banner = "This is DMP, Version 0.992";
+char *banner = "% Written by DMP, Version 1.002"; /* first line of output */
+char *term_banner = "This is DMP, Version 1.002";
#include <stdio.h>
#include <stdlib.h>
diff --git a/Build/source/texk/web2c/mpware/makempx.c b/Build/source/texk/web2c/mpware/makempx.c
index 34eaa6895a5..a04aaacc405 100644
--- a/Build/source/texk/web2c/mpware/makempx.c
+++ b/Build/source/texk/web2c/mpware/makempx.c
@@ -95,7 +95,7 @@
#define GETCWD getcwd
#endif
-#define version "0.993"
+#define version "1.002"
#define ERRLOG "mpxerr.log"
#define TEXERR "mpxerr.tex"
diff --git a/Build/source/texk/web2c/mpware/mpto.c b/Build/source/texk/web2c/mpware/mpto.c
index 27d687493bd..593dc1a43cd 100644
--- a/Build/source/texk/web2c/mpware/mpto.c
+++ b/Build/source/texk/web2c/mpware/mpto.c
@@ -25,9 +25,7 @@
#include <stdio.h>
#include <stdlib.h>
-#ifdef WIN32
#include <string.h>
-#endif
/* MetaPost itself has a configurable max line length, but we can afford to
@@ -49,7 +47,7 @@ char *tex_pretex1 = "\\gdef\\mpxshipout{\\shipout\\hbox\\bgroup%\n"
" \\ht0=0pt \\dp0=0pt \\box0 \\egroup}\n"
"\\mpxshipout%% line %d %s\n";
char *tex_pretex = "\\mpxshipout%% line %d %s\n";
-char *tex_posttex = "\\stopmpxshipout\n";
+char *tex_posttex = "\n\\stopmpxshipout\n";
char *tex_preverb1 = ""; /* if very first instance */
char *tex_preverb = "%% line %d %s\n"; /* all other instances */
char *tex_postverb = "%\n";
@@ -122,7 +120,7 @@ getline(void)
/* Return nonzero if a prefix of string s matches the null-terminated string t
- * and the next character is not a letter of an underscore.
+ * and the next character is not a letter or an underscore.
*/
int
match_str(char *s, char *t)
@@ -300,23 +298,14 @@ copytex(void)
{
char *s; /* where a string to print stops */
char c;
-
- while (*aa == ' ' || *aa == '\t')
- aa++;
- if (*aa == 0)
- if ((aa = getline()) == NULL)
- err("btex section does not end");
+ char *res = NULL;
do {
if (*aa == 0)
- if ((aa = getline()) == NULL)
- err("btex section does not end");
- else
- printf("\n");
+ if ((aa = getline()) == NULL)
+ err("btex section does not end");
+
if (getbta(aa) && *tt == 'e') {
- s = tt - 1;
- while (s >= bb && (*s == ' ' || *s == '\t'))
- s--;
- s++;
+ s = tt;
} else {
if (*tt == 'b')
err("btex in TeX mode");
@@ -326,9 +315,31 @@ copytex(void)
}
c = *s;
*s = 0;
- printf("%s", bb);
+ if (res==NULL) {
+ res = malloc(strlen(bb)+2);
+ if (res==NULL)
+ err("memory allocation failure");
+ res = strncpy(res,bb,(strlen(bb)+1));
+ } else {
+ res = realloc(res,strlen(res)+strlen(bb)+2);
+ if (res==NULL)
+ err("memory allocation failure");
+ res = strncat(res,bb, strlen(bb));
+ }
+ if (c == '\0')
+ res = strncat(res, "\n", 1);
*s = c;
} while (*tt != 'e');
+ /* whitespace at the end */
+ for (s = res + strlen(res) - 1;
+ s >= res && (*s == ' ' || *s == '\t' || *s == '\r' || *s == '\n'); s--);
+ *(++s) = '\0';
+ /* whitespace at the start */
+ for (s = res;
+ s < (res + strlen(res)) && (*s == ' ' || *s == '\t' || *s == '\r'
+ || *s == '\n'); s++);
+ printf("%s%%",s);
+ free(res);
}
@@ -386,7 +397,7 @@ main(int argc, char **argv)
exit(0);
} else if (argc > 1 && (strcmp(argv[1], "--version") == 0
|| strcmp(argv[1], "-version") == 0)) {
- printf("mpto 0.992\n\
+ printf("mpto 1.002\n\
This program is in the public domain.\n\
Primary author of mpto: John Hobby.\n\
Current maintainer: Taco Hoekwater.\n");
diff --git a/Build/source/texk/web2c/mpware/newer.c b/Build/source/texk/web2c/mpware/newer.c
index a19d646b9f9..951575cfb75 100644
--- a/Build/source/texk/web2c/mpware/newer.c
+++ b/Build/source/texk/web2c/mpware/newer.c
@@ -87,7 +87,7 @@ main(int argc, char **argv)
} else if (strcmp(argv[1], "-version") == 0 ||
strcmp(argv[1], "--version") == 0) {
- fputs("newer 0.992\n\
+ fputs("newer 1.002\n\
This program is in the public domain.\n\
Primary author of newer: John Hobby.\n\
Current maintainer: Taco Hoekwater.\n", stdout);