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44 lines
1.5 KiB
Plaintext
44 lines
1.5 KiB
Plaintext
created: 20140216102454178
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modified: 20140216102722184
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tags: Concepts
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title: ColourPalettes
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type: text/vnd.tiddlywiki
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Colour palettes bind logical colour names (such as ''page-background'') to actual CSS colours (such as ''#fe0'').
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Entire colour palettes are stored in a single [[data tiddler|DataTiddlers]].
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The title of the tiddler containing the current colour palette is identified by the tiddler [[$:/palette]].
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To retrieve a named colour from the current palette you can use the ''colour'' macro:
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```
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<<colour page-background>>
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```
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The ''colour'' macro is defined like this:
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```
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\define colour(name)
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<$transclude tiddler={{$:/palette}} index="$name$"/>
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\end
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```
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By convention, each theme provides a default colour palette in the tiddler [[$:/config/DefaultPalette]] tiddler. Thus, setting the tiddler [[$:/theme]] to the string `$:/config/DefaultPalette` will revert to the palette packaged with the current theme (as long as it hasn't been redefined, since it is a shadow tiddler).
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Palette tiddlers should have the following fields:
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|!Field |!Description |
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|title |Any title can be used, typically a system title starting with "$:/" |
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|type |`application/x-tiddler-dictionary` to identify this tiddler as a [[data tiddler|DataTiddlers]] |
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|tags |`$:/tags/Palette` to identify this tiddler as a palette |
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|description |Description to be displayed in palette browser |
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|text |Colour definitions (see below) |
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The text of a palette tiddler consists of name value pairs like this:
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```
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foreground: #000
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background: #fff
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```
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