\startcomponent ma-cb-en-pagebackgrounds

\enablemode[**en-us]

\project ma-cb

\startchapter[title=Backgrounds in page areas]

\index{page areas}
\index{background+page areas}

\Command{\tex{setupbackgrounds}}

The page background can be set, with:

\shortsetup{setupbackgrounds}

The first two bracket pairs are used to define the page areas. The last bracket
pair is used for set up.

\startbuffer
\hbox
  {\framed[width=1.5cm,frame=off]                   {}
   \framed[width=2cm,frame=off]                     {left}
   \framed[width=2.5cm,frame=off]                   {left}
   \framed[width=3cm,frame=off]                     {text}
   \framed[width=2.5cm,frame=off]                   {right}
   \framed[width=2cm,frame=off]                     {right}}
\hbox
  {\framed[width=1.5cm,frame=off]                   {}
   \framed[width=2cm,frame=off]                     {edge}
   \framed[width=2.5cm,frame=off]                   {margin}
   \framed[width=3cm,frame=off]                     {}
   \framed[width=2.5cm,frame=off]                   {margin}
   \framed[width=2cm,frame=off]                     {edge}}
\hbox
  {\framed[width=1.5cm,frame=off]                   {top}
   \framed[width=2cm]                               {}
   \framed[width=2.5cm]                             {}
   \framed[width=3cm]                               {}
   \framed[width=2.5cm]                             {}
   \framed[width=2cm]                               {}}
\hbox
  {\framed[width=1.5cm,frame=off]                   {header}
   \framed[width=2cm]                               {}
   \framed[width=2.5cm,background=screen]           {}
   \framed[width=3cm,background=screen]             {}
   \framed[width=2.5cm,background=screen]           {}
   \framed[width=2cm]                               {}}
\hbox
  {\framed[width=1.5cm,frame=off,height=3cm]        {text}
   \framed[width=2cm,height=3cm]                    {}
   \framed[width=2.5cm,height=3cm,background=screen]{}
   \framed[width=3cm,height=3cm,background=screen]  {}
   \framed[width=2.5cm,height=3cm,background=screen]{}
   \framed[width=2cm,height=3cm]                    {}}
\hbox
  {\framed[width=1.5cm,frame=off]                   {footer}
   \framed[width=2cm]                               {}
   \framed[width=2.5cm,background=screen]           {}
   \framed[width=3cm,background=screen]             {}
   \framed[width=2.5cm,background=screen]           {}
   \framed[width=2cm]                               {}}
\hbox
  {\framed[width=1.5cm,frame=off]                   {bottom}
   \framed[width=2cm]                               {}
   \framed[width=2.5cm]                             {}
   \framed[width=3cm]                               {}
   \framed[width=2.5cm]                             {}
   \framed[width=2cm]                               {}}
\stopbuffer

\placefigure
  [here]
  [fig:pageareas]
  {The page areas defined in \type{\setupbackgrounds}.}
  {\tt\getbuffer}

If you want to have backgrounds in the gray areas of the page layout of
\in{figure}[fig:pageareas] you type:

\startbuffer
\setupbackgrounds
  [header,text,footer]
  [leftmargin,text,rightmargin]
  [background=screen]
\stopbuffer

\typebuffer

\stopchapter

\stopcomponent