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authorKarl Berry <karl@freefriends.org>2012-04-22 23:28:40 +0000
committerKarl Berry <karl@freefriends.org>2012-04-22 23:28:40 +0000
commit8674ba11ca5132b2588bcbe52f59bb5077eff2d6 (patch)
treed3bcad62db49dc692b43b4f9b169432809f6b252 /Master/texmf-dist/doc/latex/pgf-blur
parent9b44b5927574576bf31e4b2e1a26915681fced6b (diff)
new pgf package pgf-blur (20apr12)
git-svn-id: svn://tug.org/texlive/trunk@26092 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/doc/latex/pgf-blur')
-rw-r--r--Master/texmf-dist/doc/latex/pgf-blur/README15
-rw-r--r--Master/texmf-dist/doc/latex/pgf-blur/tikzlibraryshadows.blur.code.tex198
2 files changed, 213 insertions, 0 deletions
diff --git a/Master/texmf-dist/doc/latex/pgf-blur/README b/Master/texmf-dist/doc/latex/pgf-blur/README
new file mode 100644
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--- /dev/null
+++ b/Master/texmf-dist/doc/latex/pgf-blur/README
@@ -0,0 +1,15 @@
+Package pgf-blur
+----------------
+
+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.
+See http://www.ctan.org/tex-archive/help/Catalogue/licenses.lppl.html
+for the details of that license.
+
+DESCRIPTION:
+ `pgf-blur' adds blurred/faded/fuzzy shadows to TikZ/PGF
+
+Run (pdf)latex on pgf-blur.dtx to produce a TikZ library file
+and the documentation.
diff --git a/Master/texmf-dist/doc/latex/pgf-blur/tikzlibraryshadows.blur.code.tex b/Master/texmf-dist/doc/latex/pgf-blur/tikzlibraryshadows.blur.code.tex
new file mode 100644
index 00000000000..bf6fc97d92a
--- /dev/null
+++ b/Master/texmf-dist/doc/latex/pgf-blur/tikzlibraryshadows.blur.code.tex
@@ -0,0 +1,198 @@
+%%
+%% 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{1.0}
+\def\filedate{2012/05/06}
+\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=3,
+ /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
+ % draw the outer part of the fading,
+ % starting with lightest, outermost line
+ \pgfsetroundjoin
+ \pgfmathsetmacro\pgfbs@max@i{\pgfbs@steps - 1}
+ \foreach \pgfbs@i in {0,...,\pgfbs@max@i} {
+ \pgfmathsetmacro\pgfbs@wth{%
+ 2 * \pgfbs@radius * (1 - \pgfbs@i/\pgfbs@steps)}%
+ \pgfmathsetmacro\pgfbs@op{%
+ 100 - (25/\pgfbs@steps) * (2*\pgfbs@i + 1)}%
+ \pgfsetlinewidth{\pgfbs@wth pt}
+ \pgfsetstrokecolor{black!\pgfbs@op!pstb@shadow@color}
+ \pgfbs@usefadepath{stroke}
+ }
+ % clip to inside of path
+ \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
+ \foreach \pgfbs@i in {0,...,\pgfbs@max@i} {
+ \pgfmathsetmacro\pgfbs@wth{%
+ 2 * \pgfbs@radius * (1 - \pgfbs@i/\pgfbs@steps)}%
+ \pgfmathsetmacro\pgfbs@op{(25/\pgfbs@steps) * (2*\pgfbs@i + 1)}
+ \pgfsetlinewidth{\pgfbs@wth pt}
+ \pgfsetstrokecolor{black!\pgfbs@op!pstb@shadow@color}
+ \pgfbs@usefadepath{stroke}
+ }
+ \endpgfpicture
+}
+\endinput
+%%
+%% End of file `tikzlibraryshadows.blur.code.tex'.