Difference between revisions of "Overlays"
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| − | + | < [[Graphics]] | |
| − | + | ||
| − | + | '''What are Overlays?''' | |
| − | + | ||
| − | + | Overlays are predefined snippets that you can stack on each other. | |
| − | + | Opposite to [[Layers]] that regard whole pages, overlays mostly are only single pictures, words or the like. | |
| − | + | ||
| − | + | '''Defining''' | |
| − | + | ||
| − | + | <texcode> | |
| − | + | \defineoverlay[reference name][commands] | |
| − | + | </texcode> | |
| − | + | ||
| − | + | Better put your commands in braces. | |
| − | + | ||
| − | + | '''Using''' | |
| − | + | ||
| − | + | You can use defined overlays everywhere, where there's a <tt>background</tt> option. | |
| − | + | ||
| − | + | <texcode> | |
| − | + | \defineoverlay[tea][{\green\ss\bf GREEN TEA}] | |
| + | |||
| + | \framed[height=40pt, background=tea, align=middle]% | ||
| + | {\em today\\for sale} | ||
| + | </texcode> | ||
| + | |||
| + | <context> | ||
| + | \setupcolors[state=start] | ||
| + | \defineoverlay[tea][{\green\ss\bf GREEN TEA}] | ||
| + | |||
| + | \framed[height=40pt, background=tea, align=middle]% | ||
| + | {\em today\\for sale} | ||
| + | </context> | ||
| + | |||
| + | You can use this also with pictures. See also [[Logos]]. | ||
| + | |||
| + | Another use for overlays is for adding a graphic to every page to indicate chapters (sometimes known as a [[thumb index]]). | ||
| + | |||
| + | [[Category:Graphics]] | ||
Revision as of 19:23, 6 June 2006
< Graphics
What are Overlays?
Overlays are predefined snippets that you can stack on each other. Opposite to Layers that regard whole pages, overlays mostly are only single pictures, words or the like.
Defining
\defineoverlay[reference name][commands]
Better put your commands in braces.
Using
You can use defined overlays everywhere, where there's a background option.
\defineoverlay[tea][{\green\ss\bf GREEN TEA}] \framed[height=40pt, background=tea, align=middle]% {\em today\\for sale}
You can use this also with pictures. See also Logos.
Another use for overlays is for adding a graphic to every page to indicate chapters (sometimes known as a thumb index).
