objectivegl.utils source code

/**
 * <div class="header">
 * High-level OpenGL Wrapper/Helpers: Utility Templates
 * Authors: S.Percentage
 * </div>
 */
 /**
Macros:
 COPYRIGHT = Copyright 2016 S.Percentage
 DDOC = <!DOCTYPE html>
<html><head>
<meta charset="utf-8">
<title>$(TITLE)</title>
<link rel="stylesheet" href="style.css" type="text/css" />
</head><body>
<div class="box">
<h1>$(TITLE)</h1>
$(BODY)
<hr>$(SMALL Page generated by $(LINK2 https://dlang.org/ddoc.html, Ddoc). $(COPYRIGHT))
</div>
</body></html>
*/
module objectivegl.utils;
 
import std.meta;

/// Hex to RGBA for glClearColor/glColor4f(0xaarrggbb)
template HexColor(uint hex)
{
	immutable Alpha = ((hex >> 24) & 0xff) / 255.0f;
	immutable Red = ((hex >> 16) & 0xff) / 255.0f;
	immutable Green = ((hex >> 8) & 0xff) / 255.0f;
	immutable Blue = (hex & 0xff) / 255.0f;
	
	alias HexColor = AliasSeq!(Red, Green, Blue, Alpha);
}