summaryrefslogtreecommitdiff
path: root/Master/texmf-dist/tex/latex/pgf-blur
diff options
context:
space:
mode:
authorNorbert Preining <preining@logic.at>2012-04-25 06:01:25 +0000
committerNorbert Preining <preining@logic.at>2012-04-25 06:01:25 +0000
commit5e811bf9ff26ebadec72036e0467dcbad5766c10 (patch)
treefdcd261cc8bb27923d9a07537e5d9a9fa17d689f /Master/texmf-dist/tex/latex/pgf-blur
parent68ce2a753c4b20dfd7ecba1a617fb09b400eff92 (diff)
non-update of pgf-blur to get file placements right
git-svn-id: svn://tug.org/texlive/trunk@26134 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/tex/latex/pgf-blur')
-rw-r--r--Master/texmf-dist/tex/latex/pgf-blur/tikzlibraryshadows.blur.code.tex212
1 files changed, 212 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/latex/pgf-blur/tikzlibraryshadows.blur.code.tex b/Master/texmf-dist/tex/latex/pgf-blur/tikzlibraryshadows.blur.code.tex
new file mode 100644
index 00000000000..08cf823c3fa
--- /dev/null
+++ b/Master/texmf-dist/tex/latex/pgf-blur/tikzlibraryshadows.blur.code.tex
@@ -0,0 +1,212 @@
+%%
+%% This is file `tikzlibraryshadows.blur.code.tex',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% pgf-blur.dtx (with options: `texfile')
+%% Copyright 2012 Martin Giese, martingi@ifi.uio.no
+%%
+%% This file is under the LaTeX Project Public License
+%% See CTAN archives in directory macros/latex/base/lppl.txt.
+%%
+%% DESCRIPTION:
+%% `pgf-blur' adds blurred/faded/fuzzy shadows to TikZ/PGF
+%%
+
+
+\def\fileversion{1.01}
+\def\filedate{2012/04/24}
+\message{ v\fileversion, \filedate}
+\usetikzlibrary{shadows}
+\usetikzlibrary{calc}
+\tikzset{
+ /tikz/shadow blur radius/.store in=\pgfbs@radius,
+ /tikz/shadow blur radius=.4ex,
+ /tikz/shadow blur extra rounding/.store in=\pgfbs@extra@rounding,
+ /tikz/shadow blur extra rounding=\pgfutil@empty,
+ /tikz/shadow blur extra rounding/.default=\pgfbs@radius,
+ /tikz/shadow blur steps/.store in=\pgfbs@steps,
+ /tikz/shadow blur steps=4,
+ /tikz/shadow opacity/.store in=\pgfbs@opacity,
+ /tikz/shadow opacity=40,
+ /tikz/blur shadow/.style={
+ shadow scale=1,
+ shadow xshift=.5ex,
+ shadow yshift=-.5ex,
+ preaction=render blur shadow,
+ every shadow,
+ #1,
+ },
+ /tikz/render blur shadow/.code={
+ \pgfbs@savebb
+ \pgfsyssoftpath@getcurrentpath{\pgfbs@input@path}%
+ \pgfbs@compute@shadow@bbox
+ \pgfbs@process@rounding{\pgfbs@input@path}{\pgfbs@fadepath}%
+ \pgfbs@apply@canvas@transform
+ \colorlet{pstb@shadow@color}{white!\pgfbs@opacity!black}%
+ \pgfdeclarefading{shadowfading}{\pgfbs@paint@fading}%
+ \pgfsetfillcolor{black}%
+ \pgfsetfading{shadowfading}%
+ {\pgftransformshift{\pgfpoint{\pgfbs@midx}{\pgfbs@midy}}}%
+ \pgfbs@usebbox{fill}%
+ \pgfbs@restorebb
+ },
+}
+\def\pgfbs@savebb{%
+ \edef\pgfbs@restorebb{%
+ \global\pgf@picminx=\the\pgf@picminx\relax
+ \global\pgf@picmaxx=\the\pgf@picmaxx\relax
+ \global\pgf@picminy=\the\pgf@picminy\relax
+ \global\pgf@picmaxy=\the\pgf@picmaxy\relax
+ }%
+}
+\def\restorebb{}%
+\def\pgfbs@process@rounding#1#2{
+ \expandafter\ifx\pgfbs@extra@rounding\pgfutil@empty%
+ \pgfprocessround{#1}{#2}%
+ \else%
+ \pgfmathsetmacro\pgfbs@exrd@val{\pgfbs@extra@rounding}%
+ \pgfbs@roundpath{#1}{\pgfbs@exrd@val pt}%
+ \pgfsyssoftpath@getcurrentpath{\pgfbs@extraroundedpath}%
+ \pgfprocessround{\pgfbs@extraroundedpath}{#2}%
+ \fi%
+}
+\def\pgfbs@roundpath#1#2{%
+ {%
+ \def\pgfbs@rp@skipround{%
+ \let\pgfbs@rp@possibleround\pgfbs@rp@insertround}%
+ \def\pgfbs@rp@insertround{\pgfsyssoftpath@specialround{#2}{#2}}%
+ \let\pgfbs@rp@possibleround\pgfbs@rp@insertround%
+ %
+ \def\pgfsyssoftpath@movetotoken##1##2{%
+ \pgfsyssoftpath@moveto{##1}{##2}}%
+ \def\pgfsyssoftpath@linetotoken##1##2{%
+ \pgfbs@rp@possibleround\pgfsyssoftpath@lineto{##1}{##2}}%
+ \def\pgfsyssoftpath@rectcornertoken##1##2##3##4##5{%
+ \pgf@xa=##1\relax%
+ \advance\pgf@xa by##4%
+ \pgf@ya=##2\relax%
+ \advance\pgf@ya by##5%
+ \pgfsyssoftpath@moveto{##1}{##2}%
+ \pgfbs@rp@possibleround%
+ \pgfsyssoftpath@lineto{\the\pgf@xa}{##2}%
+ \pgfbs@rp@possibleround%
+ \pgfsyssoftpath@lineto{\the\pgf@xa}{\the\pgf@ya}%
+ \pgfbs@rp@possibleround%
+ \pgfsyssoftpath@lineto{##1}{\the\pgf@ya}%
+ \pgfbs@rp@possibleround%
+ \pgfsyssoftpath@closepath}%
+ \def\pgfsyssoftpath@curvetosupportatoken%
+ ##1##2##3##4##5##6##7##8{%
+ \pgfbs@rp@possibleround%
+ \pgfsyssoftpath@curveto{##1}{##2}{##4}{##5}{##7}{##8}}%
+ \def\pgfsyssoftpath@closepathtoken##1##2{%
+ \pgfbs@rp@possibleround\pgfsyssoftpath@closepath}%
+ \def\pgfsyssoftpath@specialroundtoken##1##2{%
+ \pgfmathsetmacro\pgfbs@rp@ra{max(##1,#2)}%
+ \pgfmathsetmacro\pgfbs@rp@rb{max(##2,#2)}%
+ \pgfsyssoftpath@specialround%
+ {\pgfbs@rp@ra pt}{\pgfbs@rp@rb pt}%
+ \let\pgfbs@rp@possibleround\pgfbs@rp@skipround%
+ }
+ #1%
+ }
+}
+\def\pgfbs@compute@shadow@bbox{%
+ \edef\pgfbs@minx{\the\pgf@pathminx}%
+ \edef\pgfbs@miny{\the\pgf@pathminy}%
+ \edef\pgfbs@maxx{\the\pgf@pathmaxx}%
+ \edef\pgfbs@maxy{\the\pgf@pathmaxy}%
+ \pgfmathsetmacro\pgfbs@midx{0.5*(\pgfbs@minx + \pgfbs@maxx)}%
+ \pgfmathsetmacro\pgfbs@midy{0.5*(\pgfbs@miny + \pgfbs@maxy)}%
+ \pgfmathsetmacro\pgfbs@minx{\pgfbs@minx - \pgfbs@radius}%
+ \pgfmathsetmacro\pgfbs@miny{\pgfbs@miny - \pgfbs@radius}%
+ \pgfmathsetmacro\pgfbs@maxx{\pgfbs@maxx + \pgfbs@radius}%
+ \pgfmathsetmacro\pgfbs@maxy{\pgfbs@maxy + \pgfbs@radius}%
+ \pgfmathsetmacro\pgfbs@wd{\pgfbs@maxx - \pgfbs@minx}%
+ \pgfmathsetmacro\pgfbs@ht{\pgfbs@maxy - \pgfbs@miny}%
+ \pgfsyssoftpath@setcurrentpath\pgfutil@empty%
+ \pgfsyssoftpath@rect{\pgfbs@minx pt}{\pgfbs@miny pt}%
+ {\pgfbs@wd pt}{\pgfbs@ht pt}%
+ \pgfsyssoftpath@getcurrentpath{\pgfbs@shadow@bbox}%
+ \pgfsyssoftpath@setcurrentpath\pgfutil@empty%
+}
+
+\def\pgfbs@set@fading@pic@bbox{
+ \global\pgf@picminx=\pgfbs@minx pt\relax
+ \global\pgf@picminy=\pgfbs@miny pt\relax
+ \global\pgf@picmaxx=\pgfbs@maxx pt\relax
+ \global\pgf@picmaxy=\pgfbs@maxy pt\relax
+}
+\def\pgfbs@usefadepath#1{%
+ \pgfsyssoftpath@setcurrentpath{\pgfbs@fadepath}%
+ \pgfsyssoftpath@flushcurrentpath%
+ \pgfusepath{#1}%
+}
+\def\pgfbs@usebbox#1{%
+ \pgfsyssoftpath@setcurrentpath{\pgfbs@shadow@bbox}%
+ \pgfsyssoftpath@flushcurrentpath%
+ \pgfusepath{#1}%
+}
+\def\pgfbs@apply@canvas@transform{
+ \pgflowlevel{
+ \pgftransformshift{\pgfpoint{\pgfbs@midx}{\pgfbs@midy}}
+ \pgftransformscale{\pgfkeysvalueof{/tikz/shadow scale}}
+ \pgftransformshift{\pgfpoint%
+ {\pgfkeysvalueof{/tikz/shadow xshift}-\pgfbs@midx}
+ {\pgfkeysvalueof{/tikz/shadow yshift}-\pgfbs@midy}
+ }
+ }
+}
+\def\pgfbs@paint@fading{
+ \pgfpicture
+ % fix bounding box.
+ \pgfbs@set@fading@pic@bbox
+ % compute increments for line width and opacity
+ \pgfmathsetmacro\pgfbs@op@step{50/\pgfbs@steps}
+ \pgfmathsetmacro\pgfbs@wth@step{4*\pgfbs@radius/(2*\pgfbs@steps-1)}
+ % draw the outer part of the fading,
+ % starting with lightest, outermost line
+ \pgfsetroundjoin
+ \pgfmathsetmacro\pgfbs@max@i{\pgfbs@steps-2}
+ \pgfmathsetmacro\pgfbs@wth{2*\pgfbs@radius}
+ \pgfmathsetmacro\pgfbs@op{100-0.5*\pgfbs@op@step}
+ \foreach \pgfbs@i in {0,...,\pgfbs@max@i} {
+ \pgfsetlinewidth{\pgfbs@wth pt}
+ \pgfsetstrokecolor{black!\pgfbs@op!pstb@shadow@color}
+ \pgfbs@usefadepath{stroke}
+ \pgfmathsetmacro\pgfbs@wth{\pgfbs@wth-\pgfbs@wth@step}
+ \global\let\pgfbs@wth=\pgfbs@wth
+ \pgfmathsetmacro\pgfbs@op{\pgfbs@op-\pgfbs@op@step}
+ \global\let\pgfbs@op=\pgfbs@op
+ }
+ % clip to inside of path
+ \scope
+ \pgfbs@usefadepath{clip}
+ % fill inside with final darkest shadow color
+ \pgfsetfillcolor{pstb@shadow@color}
+ \pgfbs@usebbox{fill}
+ % draw the inner part of the fading,
+ % starting with the darkest, innermost line
+ \pgfmathsetmacro\pgfbs@wth{2*\pgfbs@radius}
+ \pgfmathsetmacro\pgfbs@op{0.5*\pgfbs@op@step}
+ \foreach \pgfbs@i in {0,...,\pgfbs@max@i} {
+ \pgfsetlinewidth{\pgfbs@wth pt}
+ \pgfsetstrokecolor{black!\pgfbs@op!pstb@shadow@color}
+ \pgfbs@usefadepath{stroke}
+ \pgfmathsetmacro\pgfbs@wth{\pgfbs@wth-\pgfbs@wth@step}
+ \global\let\pgfbs@wth=\pgfbs@wth
+ \pgfmathsetmacro\pgfbs@op{\pgfbs@op+\pgfbs@op@step}
+ \global\let\pgfbs@op=\pgfbs@op
+ }
+ \endscope
+ % a final stroke to hide clip/antialiasing artifcats
+ \pgfsetstrokecolor{black!50!pstb@shadow@color}
+ \pgfsetlinewidth{0.5*\pgfbs@wth@step}
+ \pgfbs@usefadepath{stroke}
+ \endpgfpicture
+}
+\endinput
+%%
+%% End of file `tikzlibraryshadows.blur.code.tex'.