RGBToHex - Revision history

Myonlake at 19:37, 4 April 2018

2018-04-04T19:37:38Z

← Older revision		Revision as of 19:37, 4 April 2018
Line 1:		Line 1:
	{{Useful Function}}		{{Useful Function}}
	~~<lowercasetitle></lowercasetitle>~~
	__NOTOC__		__NOTOC__
	This function retrieves the hex string of a specified color.		This function retrieves the hex string of a specified color.

Dutchman101 at 14:30, 18 October 2017

2017-10-18T14:30:10Z

← Older revision		Revision as of 14:30, 18 October 2017
Line 24:		Line 24:
	<syntaxhighlight lang="lua">		<syntaxhighlight lang="lua">
	function RGBToHex(red, green, blue, alpha)		function RGBToHex(red, green, blue, alpha)
	if((red < 0 or red > 255 or green < 0 or green > 255 or blue < 0 or blue > 255) or (alpha and (alpha < 0 or alpha > 255))) then
			-- Make sure RGB values passed to this function are correct
			if( ( red < 0 or red > 255 or green < 0 or green > 255 or blue < 0 or blue > 255 ) or ( alpha and ( alpha < 0 or alpha > 255 ) ) ) then
	return nil		return nil
	end		end
	if(alpha) then
	return string.format("#%.2X%.2X%.2X%.2X", red,green,blue,alpha)		-- Alpha check
			if alpha then
			return string.format("#%.2X%.2X%.2X%.2X", red, green, blue, alpha)
	else		else
	return string.format("#%.2X%.2X%.2X", red,green,blue)		return string.format("#%.2X%.2X%.2X", red, green, blue)
	end		end

	end		end
	</syntaxhighlight>		</syntaxhighlight>

Strix: Undo revision 42672 by Strix (talk)

2014-10-21T20:32:35Z

Undo revision 42672 by Strix (talk)

← Older revision		Revision as of 20:32, 21 October 2014
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	{{Useful Function}}		{{Useful Function}}
	~~{{DISPLAYTITLE:RGBToHex}}~~
	<lowercasetitle></lowercasetitle>		<lowercasetitle></lowercasetitle>
	__NOTOC__		__NOTOC__

Strix: Undo revision 42673 by Strix (talk)

2014-10-21T20:32:25Z

Undo revision 42673 by Strix (talk)

← Older revision		Revision as of 20:32, 21 October 2014
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			{{Useful Function}}
	{{DISPLAYTITLE:RGBToHex}}		{{DISPLAYTITLE:RGBToHex}}
	<lowercasetitle></lowercasetitle>		<lowercasetitle></lowercasetitle>

Strix at 20:32, 21 October 2014

2014-10-21T20:32:03Z

← Older revision		Revision as of 20:32, 21 October 2014
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	~~{{Useful Function}}~~
	{{DISPLAYTITLE:RGBToHex}}		{{DISPLAYTITLE:RGBToHex}}
	<lowercasetitle></lowercasetitle>		<lowercasetitle></lowercasetitle>

Strix at 20:31, 21 October 2014

2014-10-21T20:31:43Z

← Older revision		Revision as of 20:31, 21 October 2014
Line 1:		Line 1:
	{{Useful Function}}		{{Useful Function}}
			{{DISPLAYTITLE:RGBToHex}}
	<lowercasetitle></lowercasetitle>		<lowercasetitle></lowercasetitle>
	__NOTOC__		__NOTOC__

Hussain Mordhi at 13:36, 18 March 2012

2012-03-18T13:36:15Z

@@ Line 35: / Line 35: @@
 </syntaxhighlight>
 </section>
 ==See Also==
 {{Useful_Functions}}

MrFredo: Created page with "{{Useful Function}} NOTOC This function retrieves the hex string of a specified color. ==Syntax== string RGBToHex ( int red, ..."

2011-02-01T09:38:45Z

Created page with "{{Useful Function}} <lowercasetitle></lowercasetitle> __NOTOC__ This function retrieves the hex string of a specified color. ==Syntax== <syntaxhighlight lang="lua"> string RGBToHex ( int red, ..."

New page

{{Useful Function}}
<lowercasetitle></lowercasetitle>
__NOTOC__
This function retrieves the hex string of a specified color.

==Syntax==
<syntaxhighlight lang="lua">
string RGBToHex ( int red, int green, int blue [, int alpha = 255] )
</syntaxhighlight>

===Required Arguments===
* '''red:''' The amount of [http://en.wikipedia.org/wiki/RGBA_color_space red] in the color (0-255).
* '''green:''' The amount of [http://en.wikipedia.org/wiki/RGBA_color_space green] in the color (0-255).
* '''blue:''' The amount of [http://en.wikipedia.org/wiki/RGBA_color_space blue] in the color (0-255).

===Optional Arguments===
* '''alpha:''' The amount of [http://en.wikipedia.org/wiki/RGBA_color_space alpha] in the color (0-255).

===Returns===
Returns a string representing the color in hexadecimal.

==Code==
<section name="Function source" class="both" show="true">
<syntaxhighlight lang="lua">
function RGBToHex(red, green, blue, alpha)
if((red < 0 or red > 255 or green < 0 or green > 255 or blue < 0 or blue > 255) or (alpha and (alpha < 0 or alpha > 255))) then
return nil
end
if(alpha) then
return string.format("#%.2X%.2X%.2X%.2X", red,green,blue,alpha)
else
return string.format("#%.2X%.2X%.2X", red,green,blue)
end
end
</syntaxhighlight>
</section>

==See Also==
{{Useful_Functions}}