selectcolor.htm
来自「聊天客户端服务程序」· HTM 代码 · 共 237 行
HTM
237 行
<HTML>
<HEAD>
<META content="text/html; charset=gb2312" http-equiv=Content-Type>
<STYLE type=text/css>
TD {FONT-SIZE: 10.8pt}
BODY {FONT-SIZE: 10.8pt}
BUTTON {WIDTH: 5em}
</STYLE>
<SCRIPT language=JavaScript>
// 是否有效颜色值
function IsColor(color){
var temp=color;
if (temp=="") return true;
if (temp.length!=7) return false;
return (temp.search(/\#[a-fA-F0-9]{6}/) != -1);
}
var sTitle = "";
var color = "" ;
document.write("<TITLE>颜色选择器</TITLE>");
// 默认显示值
if (!color) color = "#000000";
// 返回有背景颜色属性的对象
function GetParent(obj){
while(obj!=null && obj.tagName!="TD" && obj.tagName!="TR" && obj.tagName!="TH" && obj.tagName!="TABLE")
obj=obj.parentElement;
return obj;
}
// 返回标签名的选定控件
function GetControl(obj, sTag){
obj=obj.item(0);
if (obj.tagName==sTag){
return obj;
}
return null;
}
// 数值转为RGB16进制颜色格式
function N2Color(s_Color){
s_Color = s_Color.toString(16);
switch (s_Color.length) {
case 1:
s_Color = "0" + s_Color + "0000";
break;
case 2:
s_Color = s_Color + "0000";
break;
case 3:
s_Color = s_Color.substring(1,3) + "0" + s_Color.substring(0,1) + "00" ;
break;
case 4:
s_Color = s_Color.substring(2,4) + s_Color.substring(0,2) + "00" ;
break;
case 5:
s_Color = s_Color.substring(3,5) + s_Color.substring(1,3) + "0" + s_Color.substring(0,1) ;
break;
case 6:
s_Color = s_Color.substring(4,6) + s_Color.substring(2,4) + s_Color.substring(0,2) ;
break;
default:
s_Color = "";
}
return '#' + s_Color;
}
// 初始值
function InitDocument(){
ShowColor.bgColor = color;
RGB.innerHTML = color;
SelColor.value = color;
}
var SelRGB = color;
var DrRGB = '';
var SelGRAY = '120';
var hexch = new Array('0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F');
function ToHex(n) {
var h, l;
n = Math.round(n);
l = n % 16;
h = Math.floor((n / 16)) % 16;
return (hexch[h] + hexch[l]);
}
function DoColor(c, l){
var r, g, b;
r = '0x' + c.substring(1, 3);
g = '0x' + c.substring(3, 5);
b = '0x' + c.substring(5, 7);
if(l > 120){
l = l - 120;
r = (r * (120 - l) + 255 * l) / 120;
g = (g * (120 - l) + 255 * l) / 120;
b = (b * (120 - l) + 255 * l) / 120;
}else{
r = (r * l) / 120;
g = (g * l) / 120;
b = (b * l) / 120;
}
return '#' + ToHex(r) + ToHex(g) + ToHex(b);
}
function EndColor(){
var i;
if(DrRGB != SelRGB){
DrRGB = SelRGB;
for(i = 0; i <= 30; i ++)
GrayTable.rows(i).bgColor = DoColor(SelRGB, 240 - i * 8);
}
SelColor.value = DoColor(RGB.innerText, GRAY.innerText);
ShowColor.bgColor = SelColor.value;
}
</SCRIPT>
<SCRIPT event=onclick for=ColorTable language=JavaScript>
SelRGB = event.srcElement.bgColor;
EndColor();
</SCRIPT>
<SCRIPT event=onmouseover for=ColorTable language=JavaScript>
RGB.innerText = event.srcElement.bgColor;
EndColor();
</SCRIPT>
<SCRIPT event=onmouseout for=ColorTable language=JavaScript>
RGB.innerText = SelRGB;
EndColor();
</SCRIPT>
<SCRIPT event=onclick for=GrayTable language=JavaScript>
SelGRAY = event.srcElement.title;
EndColor();
</SCRIPT>
<SCRIPT event=onmouseover for=GrayTable language=JavaScript>
GRAY.innerText = event.srcElement.title;
EndColor();
</SCRIPT>
<SCRIPT event=onmouseout for=GrayTable language=JavaScript>
GRAY.innerText = SelGRAY;
EndColor();
</SCRIPT>
<SCRIPT event=onclick for=Ok language=JavaScript>
color = SelColor.value;
if (!IsColor(color)){
alert('无效的颜色值！');
window.returnValue = null;
return;
}
window.returnValue = color;
window.close();
</SCRIPT>
</HEAD>
<BODY bgColor=menu onload="InitDocument()">
<DIV align=center>
<CENTER>
<TABLE border=0 cellPadding=0 cellSpacing=10>
<TBODY>
<TR>
<TD>
<TABLE border=0 cellPadding=0 cellSpacing=0 id=ColorTable style="CURSOR: hand">
<SCRIPT language=JavaScript>
function wc(r, g, b, n){
r = ((r * 16 + r) * 3 * (15 - n) + 0x80 * n) / 15;
g = ((g * 16 + g) * 3 * (15 - n) + 0x80 * n) / 15;
b = ((b * 16 + b) * 3 * (15 - n) + 0x80 * n) / 15;
document.write('<TD BGCOLOR=#' + ToHex(r) + ToHex(g) + ToHex(b) + ' height=8 width=8></TD>');
}
var cnum = new Array(1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0);
for(i = 0; i < 16; i ++){
document.write('<TR>');
for(j = 0; j < 30; j ++){
n1 = j % 5;
n2 = Math.floor(j / 5) * 3;
n3 = n2 + 3;
wc((cnum[n3] * n1 + cnum[n2] * (5 - n1)),
(cnum[n3 + 1] * n1 + cnum[n2 + 1] * (5 - n1)),
(cnum[n3 + 2] * n1 + cnum[n2 + 2] * (5 - n1)), i);
}
document.writeln('</TR>');
}
</SCRIPT>
<TBODY></TBODY></TABLE></TD>
<TD>
<TABLE border=0 cellPadding=0 cellSpacing=0 id=GrayTable style="CURSOR: hand">
<SCRIPT language=JavaScript>
for(i = 255; i >= 0; i -= 8.5)
document.write('<TR BGCOLOR=#' + ToHex(i) + ToHex(i) + ToHex(i) + '><TD TITLE=' + Math.floor(i * 16 / 17) + ' height=4 width=20></TD></TR>');
</SCRIPT>
<TBODY></TBODY></TABLE></TD></TR></TBODY></TABLE></CENTER></DIV>
<DIV align=center>
<CENTER>
<TABLE border=0 cellPadding=0 cellSpacing=10>
<TBODY>
<TR>
<TD align=middle rowSpan=2>选中色彩
<TABLE border=1 cellPadding=0 cellSpacing=0 height=30 id=ShowColor width=40 bgcolor="">
<TBODY>
<TR>
<TD></TD></TR></TBODY></TABLE></TD>
<TD rowSpan=2>基色: <SPAN id=RGB></SPAN><BR>亮度: <SPAN
id=GRAY>120</SPAN><BR>代码: <INPUT id=SelColor size=7 value=""></TD>
<TD><BUTTON id=Ok type=submit>确定</BUTTON></TD></TR>
<TR>
<TD><BUTTON onclick=window.close();>取消</BUTTON></TD></TR></TBODY></TABLE></CENTER></DIV>
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