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-rw-r--r--graphics/pgf/base/doc/text-en/pgfmanual-en-library-shadings.tex22
1 files changed, 11 insertions, 11 deletions
diff --git a/graphics/pgf/base/doc/text-en/pgfmanual-en-library-shadings.tex b/graphics/pgf/base/doc/text-en/pgfmanual-en-library-shadings.tex
index 5666c1a07d..3f73bd926a 100644
--- a/graphics/pgf/base/doc/text-en/pgfmanual-en-library-shadings.tex
+++ b/graphics/pgf/base/doc/text-en/pgfmanual-en-library-shadings.tex
@@ -42,7 +42,7 @@ this library is not used.
\item The rotation angle of the shading is set to 0.
\end{enumerate}
%
-\begin{codeexample}[]
+\begin{codeexample}[preamble={\usepgflibrary{shadings}}]
\tikz \draw[top color=red] (0,0) rectangle (2,1);
\end{codeexample}
\end{key}
@@ -60,7 +60,7 @@ this library is not used.
middle color, this option should be given \emph{last} if all of these
options need to be given:
%
-\begin{codeexample}[]
+\begin{codeexample}[preamble={\usepgflibrary{shadings}}]
\tikz \draw[top color=white,bottom color=black,middle color=red]
(0,0) rectangle (2,1);
\end{codeexample}
@@ -89,7 +89,7 @@ this library is not used.
black. Because of this, it also makes sense to say |ball color=white|
or |ball color=black|
%
-\begin{codeexample}[]
+\begin{codeexample}[preamble={\usepgflibrary{shadings}}]
\begin{tikzpicture}
\shade[ball color=white] (0,0) circle (2ex);
\shade[ball color=red] (1,0) circle (2ex);
@@ -107,7 +107,7 @@ this library is not used.
also defines four options, called the same way, that can be used to set
these colors and select the shading implicitly.
%
-\begin{codeexample}[]
+\begin{codeexample}[preamble={\usepgflibrary{shadings}}]
\tikz
\shade[upper left=red,upper right=green,
lower left=blue,lower right=yellow]
@@ -137,13 +137,13 @@ this library is not used.
\label{shading-color-wheel}%
This shading fills the path with a color wheel.
%
-\begin{codeexample}[]
+\begin{codeexample}[preamble={\usepgflibrary{shadings}}]
\tikz \shade[shading=color wheel] (0,0) circle (1.5);
\end{codeexample}
%
To produce a color ring, cut out a circle from the color wheel:
%
-\begin{codeexample}[]
+\begin{codeexample}[preamble={\usepgflibrary{shadings}}]
\tikz \shade[shading=color wheel] [even odd rule]
(0,0) circle (1.5)
(0,0) circle (1);
@@ -155,7 +155,7 @@ this library is not used.
This shading looks like a color wheel, but the brightness drops to zero in
the center.
%
-\begin{codeexample}[]
+\begin{codeexample}[preamble={\usepgflibrary{shadings}}]
\tikz \shade[shading=color wheel black center] (0,0) circle (1.5);
\end{codeexample}
%
@@ -165,7 +165,7 @@ this library is not used.
This shading looks like a color wheel, but the saturation drops to zero in
the center.
%
-\begin{codeexample}[]
+\begin{codeexample}[preamble={\usepgflibrary{shadings}}]
\tikz \shade[shading=color wheel white center] (0,0) circle (1.5);
\end{codeexample}
%
@@ -179,7 +179,7 @@ this library is not used.
arbitrarily (give it a try, if you have a fast computer).
%
\pgfutil@ifluatex
-\begin{codeexample}[]
+\begin{codeexample}[preamble={\usepgflibrary{shadings}}]
\tikz \shade[shading=Mandelbrot set] (0,0) rectangle (2,2);
\end{codeexample}
\else
@@ -205,7 +205,7 @@ this library is not used.
When this option is used, the |shade| and |shading=radial| options are
set.
%
-\begin{codeexample}[]
+\begin{codeexample}[preamble={\usepgflibrary{shadings}}]
\tikz \draw[inner color=red] (0,0) rectangle (2,1);
\end{codeexample}
\end{key}
@@ -214,7 +214,7 @@ this library is not used.
This option sets the color used at the border and outside of a |radial|
shading.
%
-\begin{codeexample}[]
+\begin{codeexample}[preamble={\usepgflibrary{shadings}}]
\tikz \draw[outer color=red,inner color=white]
(0,0) rectangle (2,1);
\end{codeexample}