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authorKarl Berry <karl@freefriends.org>2019-04-04 20:55:44 +0000
committerKarl Berry <karl@freefriends.org>2019-04-04 20:55:44 +0000
commitacab24042d34dd439e1d074820d1da2fa1d591cd (patch)
tree32881f869e20a69711c5fe86134aa48143d9b1e8 /Master/texmf-dist/tex/generic/pgf/modules/pgfmodulebending.code.tex
parent93f5c4643a3d0a596d220ff14756ce68d99afe33 (diff)
pgf (4apr19)
git-svn-id: svn://tug.org/texlive/trunk@50758 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/tex/generic/pgf/modules/pgfmodulebending.code.tex')
-rw-r--r--Master/texmf-dist/tex/generic/pgf/modules/pgfmodulebending.code.tex75
1 files changed, 38 insertions, 37 deletions
diff --git a/Master/texmf-dist/tex/generic/pgf/modules/pgfmodulebending.code.tex b/Master/texmf-dist/tex/generic/pgf/modules/pgfmodulebending.code.tex
index cc9ed651c71..888db712043 100644
--- a/Master/texmf-dist/tex/generic/pgf/modules/pgfmodulebending.code.tex
+++ b/Master/texmf-dist/tex/generic/pgf/modules/pgfmodulebending.code.tex
@@ -14,8 +14,8 @@
% This file defines commands for drawing bending arrows and lines.
%
-\usepgfmodule{nonlineartransformations}
-\usepgflibrary{curvilinear}
+\usepgfmodule{nonlineartransformations}%
+\usepgflibrary{curvilinear}%
% Configuration options for arrow tips:
@@ -25,13 +25,14 @@
/pgf/arrow keys/flex/.default=1,
/pgf/arrow keys/flex'/.code=\pgfarrowsaddtooptions{\pgf@arrows@the@rigidity#1pt\let\pgf@arrow@flex@mode\pgf@arrow@mode@is@flex@prime},
/pgf/arrow keys/flex'/.default=1,
- /pgf/arrow keys/bend/.code=\pgfarrowsaddtooptions{\let\pgf@arrow@flex@mode\pgf@arrow@mode@is@bend}
-}
+ /pgf/arrow
+ keys/bend/.code=\pgfarrowsaddtooptions{\let\pgf@arrow@flex@mode\pgf@arrow@mode@is@bend},
+}%
-\def\pgf@arrow@mode@is@flex{1}
-\def\pgf@arrow@mode@is@flex@prime{2}
-\def\pgf@arrow@mode@is@bend{3}
+\def\pgf@arrow@mode@is@flex{1}%
+\def\pgf@arrow@mode@is@flex@prime{2}%
+\def\pgf@arrow@mode@is@bend{3}%
\newdimen\pgf@arrows@the@rigidity
@@ -39,21 +40,21 @@
%
% Handle the end of a curve
%
-%
+%
-% First, the preparation. This is, essenatially, setting up the
+% First, the preparation. This is, essentially, setting up the
% nonlinear transformation
\def\pgf@prep@curveend{
\pgftransformreset%
\pgfsetcurvilinearbeziercurve{\pgfpointlastonpath}{\pgfpointsecondlastonpath}{\pgfpointthirdlastonpath}{\pgfpointfourthlastonpath}
-}
+}%
% Second, the shortening.
\def\pgf@do@shorten@curvedend{%
\expandafter\expandafter\expandafter\pgf@do@shorten@curvedend@unpack\expandafter\pgfpointfourthlastonpath\pgfpointthirdlastonpath%
-}
+}%
\def\pgf@do@shorten@curvedend@unpack\pgfqpoint#1#2\pgfqpoint#3#4{%
\pgf@process{\pgfcurvilineardistancetotime{\pgf@path@shortening@distance}}%
% Compute new curve:
@@ -73,13 +74,13 @@
\expandafter\expandafter\expandafter\def%
\expandafter\expandafter\expandafter\pgfprocessresultpathsuffix%
\expandafter\expandafter\expandafter{\expandafter\pgfprocessresultsubpathprefix\pgfprocessresultsubpathsuffix}%
-}
+}%
% Third, the drawing
\def\pgf@do@draw@curvedend{%
\pgf@do@draw@curved\pgf@end@tip@sequence%
-}
+}%
\def\pgf@do@draw@curved#1{%
{%
@@ -89,7 +90,7 @@
\let\pgf@arrow@handle@dot\relax%
#1%
}%
-}
+}%
\def\pgf@draw@curved#1#2{%
% Prepare:
@@ -105,9 +106,9 @@
\ifcase\pgf@arrow@flex@mode\relax%
\expandafter\expandafter\expandafter\pgf@arrow@drawer@rigid\csname pgf@ar@visual@\pgf@arrow@id\endcsname% like flex
\or%
- \expandafter\expandafter\expandafter\pgf@arrow@drawer@rigid\csname pgf@ar@visual@\pgf@arrow@id\endcsname%
+ \expandafter\expandafter\expandafter\pgf@arrow@drawer@rigid\csname pgf@ar@visual@\pgf@arrow@id\endcsname%
\or%
- \expandafter\expandafter\expandafter\pgf@arrow@drawer@rigid\csname pgf@ar@ends@\pgf@arrow@id\endcsname%
+ \expandafter\expandafter\expandafter\pgf@arrow@drawer@rigid\csname pgf@ar@ends@\pgf@arrow@id\endcsname%
\or%
\pgf@arrow@drawer@bend%
\fi%
@@ -116,8 +117,8 @@
\expandafter}%
% Transform to next tip:
\expandafter\pgf@xb\the\pgf@xb%
-}
-\def\pgf@falsetext{false}
+}%
+\def\pgf@falsetext{false}%
\def\pgf@arrow@drawer@rigid@shift#1#2#3{% tip end, back end, line end, sep
% Let xa be the actual back end of the current arrow plus the back end:
@@ -127,14 +128,14 @@
\pgf@x#1%
\advance\pgf@x by\pgfarrowsep%
\advance\pgf@xb by-\pgf@x%
-}
+}%
\def\pgf@arrow@drawer@bend{%
\pgftransformnonlinear{\pgf@arrow@bending@mode{\pgf@x}{\pgf@y}}
\pgftransformscale{-1}%
\pgftransformxshift{-\pgf@xa}%
- % Do slant:
+ % Do slant:
\ifdim\pgfarrows@slant pt=0pt%
\else%
\pgftransformxslant{\pgfarrows@slant}%
@@ -150,7 +151,7 @@
\endpgfscope%
}%
\pgf@arrows@bending@hull%
-}
+}%
\def\pgf@arrow@drawer@rigid#1#2#3{% (rigid) start, (rigid) end, dummy
% Compute the rigid positions:
@@ -169,7 +170,7 @@
\pgf@xc#1%
\pgf@xc-\pgf@xc%
\pgftransformxshift{+\pgf@xc}%
- % Do slant:
+ % Do slant:
\ifdim\pgfarrows@slant pt=0pt%
\else%
\pgftransformxslant{\pgfarrows@slant}%
@@ -183,7 +184,7 @@
\pgflowlevelsynccm\csname pgf@ar@cache@\pgf@arrow@id\endcsname%
\endpgfscope%
\pgf@arrows@rigid@hull%
-}
+}%
\def\pgf@bending@do@tangent{%
\pgf@xb\pgf@xa%
@@ -210,7 +211,7 @@
\advance\pgf@xb by-\pgf@xa%
\advance\pgf@yb by-\pgf@ya%
\pgf@process{\pgfpointnormalised{\pgf@x=\pgf@xb\pgf@y=\pgf@yb}}
-}
+}%
\def\pgf@bending@possible@degenerate{%
\ifx\pgf@curvilinear@line@a\pgf@curvilinear@line@b% degenerate!
@@ -231,7 +232,7 @@
\else%
\pgf@bending@do@tangent@normal%
\fi%
-}
+}%
\def\pgf@bending@do@flex{
\pgf@xb\pgf@xa%
@@ -248,7 +249,7 @@
\pgf@process{\pgfpointcurveattime{\pgf@xb}{\pgf@curvilinear@line@a}{\pgf@curvilinear@line@b}{\pgf@curvilinear@line@c}{\pgf@curvilinear@line@d}}%
\pgf@xb\pgf@x\pgf@yb\pgf@y%
\pgftransformarrow{\pgfqpoint{\pgf@xb}{\pgf@yb}}{\pgfqpoint{\pgf@xc}{\pgf@yc}}%
-}
+}%
@@ -266,20 +267,20 @@
\pgf@temp%
\pgf@arrow@bending@update@bb%
\fi%
- \fi%
-}
+ \fi%
+}%
\def\pgf@arrow@bending@hull@point@first#1#2{%
\pgfpointtransformednonlinear{\pgfqpoint{#1}{#2}}%
\pgf@xa\pgf@x\pgf@xb\pgf@x%
\pgf@ya\pgf@y\pgf@yb\pgf@y%
\let\pgf@arrow@hull@point\pgf@arrow@bending@hull@point@other%
-}
+}%
\def\pgf@arrow@bending@hull@point@other#1#2{%
\pgfpointtransformednonlinear{\pgfqpoint{#1}{#2}}%
\ifdim\pgf@x<\pgf@xa\pgf@xa\pgf@x\else\ifdim\pgf@x>\pgf@xb\pgf@xb\pgf@x\fi\fi%
\ifdim\pgf@y<\pgf@ya\pgf@ya\pgf@y\else\ifdim\pgf@y>\pgf@yb\pgf@yb\pgf@y\fi\fi%
-}
+}%
\def\pgf@arrow@bending@update@bb{%
\ifdim\pgf@picmaxx=-16000pt\relax%
@@ -293,7 +294,7 @@
\ifdim\pgf@xb>\pgf@picmaxx\global\pgf@picmaxx\pgf@xb\fi%
\ifdim\pgf@yb>\pgf@picmaxy\global\pgf@picmaxy\pgf@yb\fi%
\fi%
-}
+}%
@@ -302,21 +303,21 @@
%
% Handle the start of a curve
%
-%
+%
-% First, the preparation.
+% First, the preparation.
\def\pgf@prep@curvedstart{
\pgftransformreset%
\pgfsetcurvilinearbeziercurve{\pgfpointfirstonpath}{\pgfpointsecondonpath}{\pgfpointthirdonpath}{\pgfpointfourthonpath}%
-}
+}%
% Second, the shortening.
\def\pgf@do@shorten@curvedstart{%
\expandafter\expandafter\expandafter\pgf@do@shorten@curvedstart@unpack\expandafter\pgfpointthirdonpath\pgfpointfourthonpath%
-}
+}%
\def\pgf@do@shorten@curvedstart@unpack\pgfqpoint#1#2\pgfqpoint#3#4{%
\pgf@process{\pgfcurvilineardistancetotime{\pgf@path@shortening@distance}}%
% Compute new curve:
@@ -339,14 +340,14 @@
\expandafter\expandafter\expandafter\def%
\expandafter\expandafter\expandafter\pgfprocessresultpathsuffix%
\expandafter\expandafter\expandafter{\expandafter\pgfprocessresultpathsuffix\pgfsubpathend}%
-}
+}%
% Third, the drawing
\def\pgf@do@draw@curvedstart{%
\pgf@do@draw@curved\pgf@start@tip@sequence%
-}
+}%