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@@ -417,6 +417,8 @@ Shoes also has a handful of built-in constants which may prove useful if you are
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 '''Shoes::REVISION''' is the Subversion revision number for this build.
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+'''Shoes::FONTS''' is a complete list of fonts available to the app.  This list includes any fonts loaded by the [[Built-in.font]] method.
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+
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 === alert(message: a string) » nil ===
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 Pops up a window containing a short message.
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@@ -520,6 +522,16 @@ Here's a rough idea of what fonts work on which platforms:
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 If the font is properly loaded, you'll get back an array of font names found in the file.  Otherwise, `nil` is returned if no fonts were found in the file.
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+Also of interest: the `Shoes::FONTS` constant is a complete list of fonts available to you on this platform.  You can check for a certain font by using `include?`.
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+
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+{{{
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+ if Shoes::FONTS.include? "Helvetica"
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+   alert "Helvetica is available on this system."
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+ else
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+   alert "You do not have the Helvetica font."
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+ end
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+}}}
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+
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 === gradient(color1, color2) » Shoes::Pattern ===
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 Builds a linear gradient from two colors.  For each color, you may pass in a Shoes::Color object or a string describing the color.