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Document new colours

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John Whitington 2023-06-07 19:52:24 +01:00
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2 changed files with 5 additions and 15 deletions
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cpdfmanual.pdf
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cpdfmanual.tex
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@ -2462,20 +2462,10 @@ specifies the size in points:
\subsection{Colors} \subsection{Colors}
\index{color} \index{color}
The \texttt{-color} option takes an RGB (3 values), CYMK (4 values), or Grey (1 value) color. Components range between 0 and 1. The following RGB colors are predefined: The \texttt{-color} option takes an RGB (3 values), CYMK (4 values), or Grey (1 value) color. Components range between 0 and 1. All the standard web colours \url{https://www.w3.org/wiki/CSS/Properties/color/keywords} are provided as RGB components, and may be selected by name.
\vspace{2mm}
\begin{tabular}{ll}
\textbf{Color} & \textbf{R, G, B} \\ \hline
white & 1, 1, 1\\
black & 0, 0, 0\\
red & 1, 0, 0\\
green & 0, 1, 0\\
blue & 0, 0, 1\\
\end{tabular}
\begin{framed} \begin{framed}
\small\verb!cpdf -add-text "Hullo" -color "red" in.pdf -o out.pdf! \small\verb!cpdf -add-text "Hullo" -color darkgrey in.pdf -o out.pdf!
\vspace{1.5mm} \vspace{1.5mm}
\small\verb!cpdf -add-text "Hullo" -color "0.5 0.5 0.5" in.pdf -o out.pdf! \small\verb!cpdf -add-text "Hullo" -color "0.5 0.5 0.5" in.pdf -o out.pdf!
@ -4307,8 +4297,8 @@ To avoid calculating the Bezier curves for a circle manually, \texttt{cpdf} can
\section{Path parameters} \section{Path parameters}
{\small\begin{framed} {\small\begin{framed}
\noindent\verb!-strokecol "g" | "r g b" | "c y m k"! Set stroke colour\\ \noindent\verb!-strokecol "g" | "r g b" | "c y m k" | <namedcolour>! Set stroke colour\\
\noindent\verb!-fillcol "g" | "r g b" | "c y m k"! Set fill colour\\ \noindent\verb!-fillcol "g" | "r g b" | "c y m k" | <namedcolour>! Set fill colour\\
\noindent\verb!-thick n! Set stroke thickness\\ \noindent\verb!-thick n! Set stroke thickness\\
\noindent\verb!-cap butt | round | square! Set cap\\ \noindent\verb!-cap butt | round | square! Set cap\\
\noindent\verb!-join miter | round | bevel! Set join\\ \noindent\verb!-join miter | round | bevel! Set join\\
@ -4316,7 +4306,7 @@ To avoid calculating the Bezier curves for a circle manually, \texttt{cpdf} can
\noindent\verb!-dash <pattern>! Set dash pattern \noindent\verb!-dash <pattern>! Set dash pattern
\end{framed}} \end{framed}}
We can set stroke and fill colours for our paths, either as greyscale (one component), RGB (three components) or CYMK (four components): We can set stroke and fill colours for our paths, either as greyscale (one component), RGB (three components) or CYMK (four components), or by naming a colour as described in Chapter 8:
\begin{framed} \begin{framed}
\noindent\small\verb?cpdf -create-pdf AND -draw -circle "200 200 100" -thick 20?\\ \noindent\small\verb?cpdf -create-pdf AND -draw -circle "200 200 100" -thick 20?\\