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authorNorbert Preining <norbert@preining.info>2023-01-16 03:03:27 +0000
committerNorbert Preining <norbert@preining.info>2023-01-16 03:03:27 +0000
commit6f9e1680085e7bb4d258f6f8116369d122e196e1 (patch)
tree9ac0ecb239240d1d672b188f29c1479de215074b /graphics/pgf/base/tex/generic/frontendlayer/tikz/libraries/tikzlibraryfadings.code.tex
parentb8345f39630408bb198e7636381ce4240154ca9b (diff)
CTAN sync 202301160303
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+% Copyright 2018 by Till Tantau
+%
+% This file may be distributed and/or modified
+%
+% 1. under the LaTeX Project Public License and/or
+% 2. under the GNU Public License.
+%
+% See the file doc/generic/pgf/licenses/LICENSE for more details.
+
+\ProvidesFileRCS{tikzlibraryfadings.code.tex}
+
+\usepgflibrary{fadings}%
+
+%
+% Environments for creating fadings
+%
+
+\def\tikzfadingfrompicture{%
+ \begingroup%
+ \setbox\pgfpic=\hbox\bgroup%
+ \tikzpicture%
+}%
+\def\endtikzfadingfrompicture{%
+ \global\let\tikz@smuggle=\tikz@fig@name%
+ \endtikzpicture
+ \egroup%
+ \pgfdeclarefading{\tikz@smuggle}{\box\pgfpic}%
+ \endgroup%
+}%
+
+% This makes it easier to maintain compatibility with the external lib:
+\def\starttikzfadingfrompicture{\tikzfadingfrompicture}%
+\def\stopttikzfadingfrompicture{\endtikzfadingfrompicture}%
+
+\def\tikzfading[#1]{%
+ {%
+ \setbox\pgfpic=\hbox{%
+ \tikzset{#1}%
+ \global\let\tikz@smuggle=\tikz@fig@name%
+ \tikz{%
+ \useasboundingbox(0,0) (100bp,100bp);
+ \node at (50bp,50bp) [rotate=\tikz@shade@angle]
+ {\pgfuseshading{\tikz@shading}};
+ }%
+ }%
+ \pgfdeclarefading{\tikz@smuggle}{\box\pgfpic}%
+ }%
+}%