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UberFoX at 17:34, 11 December 2011

2011-12-11T17:34:56Z

← Older revision		Revision as of 17:34, 11 December 2011
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	Get the red byte from a colour INT value.		Get the red byte from a colour INT value.

−		+	=== Parameters ===

	==== colour ====		==== colour ====

UberFoX at 17:34, 11 December 2011

2011-12-11T17:34:51Z

← Older revision		Revision as of 17:34, 11 December 2011
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	Get the red byte from a colour INT value.		Get the red byte from a colour INT value.
		+
		+

	==== colour ====		==== colour ====

UberFoX: Created page with "

 GetRValue(  )

=== Description === Get the red byte from a colour INT value. ==== colour ==== The colour INT value to use. === Return Value === The red ..."

2011-12-09T03:38:23Z

Created page with "<pre> GetRValue( <colour> ) </pre> === Description === Get the red byte from a colour INT value. ==== colour ==== The colour INT value to use. === Return Value === The red ..."

New page

<pre>
GetRValue( <colour> )
</pre>

=== Description ===

Get the red byte from a colour INT value.

==== colour ====

The colour INT value to use.

=== Return Value ===

The red byte.

=== Remarks ===

=== Example ===

<syntaxhighlight lang="sputnik">
$RGB = RGB(0x11, 0x22, 0x33);

println("Decimal '$RGB' Hex '" . Hex($RGB) . "'");

$Red = GetRValue($RGB);
Println("Red: Decimal '$Red' Hex '" . Hex($Red) . "'");

$Green = GetGValue($RGB);
Println("Green: Decimal '$Green' Hex '" . Hex($Green) . "'");

$Blue = GetBValue($RGB);
Println("Green: Decimal '$Blue' Hex '" . Hex($Blue) . "'");
</syntaxhighlight>

This next example using Sputnik only code to generate the R G B value and extract the R G B from it

<syntaxhighlight lang="sputnik">
$RGB = _RGB(0x11, 0x22, 0x33);

println("Decimal '$RGB' Hex '" . Hex($RGB) . "'");

$Red = _GetRValue($RGB);
Println("Red: Decimal '$Red' Hex '" . Hex($Red) . "'");

$Green = _GetGValue($RGB);
Println("Green: Decimal '$Green' Hex '" . Hex($Green) . "'");

$Blue = _GetBValue($RGB);
Println("Green: Decimal '$Blue' Hex '" . Hex($Blue) . "'");

Function _RGB($r, $g, $b)
{
return ((int)((($b) | ((short)(($g)) << 8)) | (((int)($r)) << 16)));
}

Function _GetRValue($rgb)
{
return (byte)(($rgb) >> 16);
}

Function _GetGValue($rgb)
{
return (short)$rgb >> 8;
}

Function _GetBValue($rgb)
{
return (byte)($rgb);
}
</syntaxhighlight>

[[Category:Core Function]]

Core Function GetRValue - Revision history

UberFoX: 1 revision

UberFoX: 1 revision

UberFoX at 17:34, 11 December 2011

UberFoX at 17:34, 11 December 2011

UberFoX: Created page with "
GetRValue( )
=== Description === Get the red byte from a colour INT value. ==== colour ==== The colour INT value to use. === Return Value === The red ..."