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<![CDATA[
G = g*0.59 + r*0.3 + b*0.11;
]]>
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RGB(�ԗΐ�)�J���[����O���[�l�ɕϊ�����ɂ͎��̂悤�ɂȂ�܂��B�u�O���[�l = ��*0.59 + ��*0.3 + ��*0.11�v |
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<![CDATA[
<html>
<head>
<title>RGB���O���[</title>
<script Language="JavaScript"><!--
function RGBtoGRAY()
{
r = eval(document.myFORM.red.value);
b = eval(document.myFORM.blue.value);
g = eval(document.myFORM.green.value);
G = g*0.59 + r*0.3 + b*0.11;
document.myFORM.gray.value = G;
}
// --></script>
</head>
<body>
<form name="myFORM">
�@�@�ԁF<input type="text" name="red"><br>
�@�@�F<input type="text" name="green"><br>
�@�@�F<input type="text" name="blue"><br>
�O���[�F<input type="text" name="gray"><br>
<input type="button" onClick="RGBtoGRAY()" value="�O���[�l�ɕϊ�">
</form>
</body>
</html>
]]>
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