<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3c.org/TR/1999/REC-html401-19991224/loose.dtd">
<!-- saved from url=(0053)http://wellstyled.com/tools/colorscheme/index-en.html -->
<HTML lang=cs><HEAD><TITLE>Color scheme</TITLE>
<META http-equiv=content-type content="text/html; charset=iso-8859-1"><LINK
href="images/styl.css" type=text/css rel=stylesheet>
<SCRIPT src="images/colorblind.js" type=text/javascript></SCRIPT>
<SCRIPT type=text/javascript>
<!--
function objGet(x) {
if (typeof x != 'string') return x;
else if (Boolean(document.getElementById)) return document.getElementById(x);
else if (Boolean(document.all)) return eval('document.all.'+x);
else return null;
}
function objSetStyle (obj,prop,val) {
var o = objGet(obj);
if (o && o.style) {
eval ('o.style.'+prop+'="'+val+'"');
return true;
}
else return false;
}
function objDisplay (obj,on,type) {
if (on && !type) type = 'block';
return objSetStyle(obj,'display',(on) ? type:'none');
}
function dec2hex(n) {
var s = n.toString(16);
if (s.length<2) s = '0'+s;
return s.toUpperCase();
}
function hex2dec(n) {
return parseInt(n,16);
}
function col2Gray(r,g,b) {
var lum = Math.round( r*0.299 + g*0.587 + b*0.114 );
return dec2hex(lum)+dec2hex(lum)+dec2hex(lum);
}
// Color object
function Color(R,G,B,H) {
this.setRGB(R,G,B,H);
}
Color.prototype.copy = function (c) {
this.R = c.R; this.G = c.G; this.B = c.B;
this.H = c.H; this.S = c.S; this.V = c.V;
this.countMinMax();
}
Color.prototype.setRGB = function (R,G,B,H) {
this.R = R;
this.G = G;
this.B = B;
this.checkRange();
this.countMinMax();
if (H>-1) {
this.H = H;
this.S = (this.max) ? (this.max-this.min)/this.max : 0;
this.V = this.max/255;
this.baseR = R; this.baseG = G; this.baseB = B;
}
else if (R==G && G==B) {
this.H = 0;
this.S = 0;
this.V = this.max/255;
this.baseR = R; this.baseG = G; this.baseB = B;
}
else this.countHSVByRGB();
}
Color.prototype.setHex = function (hex) {
this.setRGB ( hex2dec(hex.substr(0,2)), hex2dec(hex.substr(2,2)), hex2dec(hex.substr(4,2)) )
}
Color.prototype.getHex = function(webColors,CBMode) {
var r,g,b;
if (webColors) {
r = Math.round(this.R/51) * 51;
g = Math.round(this.G/51) * 51;
b = Math.round(this.B/51) * 51;
}
else {
r = this.R; g = this.G; b = this.B;
}
if (CBMode) {
if (CBMode==7) return col2Gray(r,g,b);
else return getColorBlindColor(r,g,b,CBMode);
}
else return dec2hex(r)+dec2hex(g)+dec2hex(b);
}
Color.prototype.setHSV = function (h,s,v) {
this.H = h;
this.S = s;
this.V = v;
if (this.S>1 || this.S<0) this.S = (this.S<0) ? 0:1;
if (this.V>1 || this.V<0) this.V = (this.V<0) ? 0:1;
this.countRGBByHSV();
}
Color.prototype.checkRange = function () {
if (this.R>255) this.R = 255;
if (this.G>255) this.G = 255;
if (this.B>255) this.B = 255;
}
Color.prototype.countMinMax = function() {
this.max = Math.max(Math.max(this.R,this.G),this.B);
this.min = Math.min(Math.min(this.R,this.G),this.B);
this.r2max = (this.R>0) ? this.R/this.max : 0;
this.g2max = (this.G>0) ? this.G/this.max : 0;
this.b2max = (this.B>0) ? this.B/this.max : 0;
}
Color.prototype.setBaseColors = function() {
function avrg(v1,v2,k) { return v1 + Math.round((v2-v1)*k); }
var hue = Math.round(this.H) % 360;
var d = hue%15 + (this.H-Math.floor(this.H));
var k = d/15;
var d1 = hue - Math.floor(d);
var c1 = colWheel[d1];
d1 = (d1+15)%360;
var c2 = colWheel[d1];
this.baseR = avrg(c1.R,c2.R,k);
this.baseG = avrg(c1.G,c2.G,k);
this.baseB = avrg(c1.B,c2.B,k);
}
Color.prototype.countHSVByRGB = function() {
var c, c1,c2, f1,f2, d, dx, d1=null, d2=null;
for (var i=0;i<360;i+=15) {
c = colWheel[i];
dx = Math.abs(this.r2max-c.r2max) + Math.abs(this.g2max-c.g2max) + Math.abs(this.b2max-c.b2max);
if (d1==null || dx<d1) { d1=dx; f2=f1; f1=i }
if ( (d1!=dx) && (d2==null || dx<d2) ) { d2=dx; f2=i }
}
c1 = colWheel[f1];
c2 = colWheel[f2];
var cnt = 0;
d = 0;
if (c1.R!=c2.R) { cnt++; d += (this.R-c1.R)/(c2.R-c1.R); }
if (c1.G!=c2.G) { cnt++; d += (this.G-c1.G)/(c2.G-c1.G); }
if (c1.B!=c2.B) { cnt++; d += (this.B-c1.B)/(c2.B-c1.B); }
if (cnt) d = d/cnt;
this.H = f1+15*d;
this.S = (this.max) ? (this.max-this.min)/this.max : 0;
this.V = this.max/255;
this.setBaseColors();
}
Color.prototype.countRGBByHSV = function () {
this.setBaseColors();
var max = Math.max(Math.max(this.baseR,this.baseG),this.baseB);
var min = Math.min(Math.min(this.baseR,this.baseG),this.baseB);
var v = this.V*255;
var k = (max>0) ? v/max : 0;
this.R = Math.round(v-(v-this.baseR*k)*this.S);
this.G = Math.round(v-(v-this.baseG*k)*this.S);
this.B = Math.round(v-(v-this.baseB*k)*this.S);
this.checkRange();
this.countMinMax();
}
Color.prototype.rotate = function (angle) {
if (this.S>0 && this.V>0) {
var c = new Color(this.baseR,this.baseG,this.baseB);
var S1 = (c.S) ? this.S/c.S : 1;
var V1 = (c.V) ? this.V/c.V : 1;
var nh = (this.H + angle) % 360;
this.setHSV(nh,this.S,this.V);
c.setRGB(this.baseR,this.baseG,this.baseB);
var S2 = (c.S) ? this.S/c.S : 1;
var V2 = (c.V) ? this.V/c.V : 1;
this.setHSV(nh,this.S*S1/S2,this.V*V1/V2);
}
}
var colWheel = new Array(12);
colWheel['0'] = new Color(255,0,0,0);
colWheel['15'] = new Color(255,51,0,15);
colWheel['30'] = new Color(255,102,0,30);
colWheel['45'] = new Color(255,128,0,45);
colWheel['60'] = new Color(255,153,0,60);
colWheel['75'] = new Color(255,178,0,75);
colWheel['90'] = new Color(255,204,0,90);
colWheel['105'] = new Color(255,229,0,105);
colWheel['120'] = new Color(255,255,0,120);
colWheel['135'] = new Color(204,255,0,135);
colWheel['150'] = new Color(153,255,0,150);
colWheel['165'] = new Color(51,255,0,165);
colWheel['180'] = new Color(0,204,0,180);
colWheel['195'] = new Color(0,178,102,195);
colWheel['210'] = new Color(0,153,153,210);
colWheel['225'] = new Color(0,102,178,225);
colWheel['240'] = new Color(0,51,204,240);
colWheel['255'] = new Color(25,25,178,255);
colWheel['270'] = new Color(51,0,153,270);
colWheel['285'] = new Color(64,0,153,285);
colWheel['300'] = new Color(102,0,153,300);
colWheel['315'] = new Color(153,0,153,315);
colWheel['330'] = new Color(204,0,153,330);
colWheel['345'] = new Color(229,0,102,345);
var usedColors = 1;
var usedScheme = 'mono';
var col = new Array(4);
for (var i=0;i<4;i++) col[i] = new Color(255,0,0,0);
var bussy = false;
var helpOn = false;
var webSnap = false;
var colorblindMode = '';
function getFormValue(name) { return objGet(name).value; }
function setFormValue(name,val) { objGet(name).value = val; }
function switchWebSnap() {
webSnap = objGet('websnapper').checked;
drawSample();
}
function switchBlindlessMode() {
colorblindMode = getFormValue('cbmodeswitcher');
drawSample();
}
function setMainColor() {
if (!bussy) {
bussy = true;
var h = parseInt(getFormValue('colorH'));
if (h>=360) { h=h%360; setFormValue('colorH',h) }
if (h<0) { h = (h+(Math.floor(-h/360)+1)*360)%360; setFormValue('colorH',h) }
var s = parseFloat(getFormValue('colorS'))/100;
if (s>1 || s<0) { s = (s<0) ? 0:1; setFormValue('colorS',s*100) }
var v = parseFloat(getFormValue('colorV'))/100;
if (v>1 || v<0) { v = (v<0) ? 0:1; setFormValue('colorV',v*100) }
col[0].setHSV (h,s,v);
objGet('colorhex').innerHTML = '#'+col[0].getHex();
drawValSat();
drawSample();
bussy = false;
}
}
function setBasicColor(angle) {
var c = colWheel[angle];
setHSV(c.H,c.S,c.V);
}
function setHSV(h,s,v) {
if (!bussy) {
bussy = true;
col[0].setHSV (h,s,v);
setFormValue( 'colorH', parseInt(h*10)/10 );
setFormValue( 'colorS', parseInt(s*1000)/10 );
setFormValue( 'colorV', parseInt(v*1000)/10 );
objGet('colorhex').innerHTML = '#'+col[0].getHex();
drawValSat();
drawSample();
bussy = false;
}
}
function drawSample() {
usedScheme = getFormValue('scheme');
objGet('previmg').src = 'prev_'+usedScheme+'.gif';
if (helpOn) showHelp();
if (usedScheme=='mono') {
usedColors=1
colormap.zip （43个子文件） 
colormap ColorSchemeGenerator2 images 
styl-2004-09-02.css 7KB
wheel.gif 8KB prev_triad-on.gif 639B prev_compl.gif 671B prev_mono.gif 628B prev_triad.gif 638B prev_tetrad-on.gif 645B slider.gif 1KB prev_tetrad.gif 629B prev_compl-on.gif 679B colorblind.js 21KB uarr.gif 60B prev_analog-on.gif 685B Thumbs.db 35KB prev_mono-on.gif 631B prev_analog.gif 679B ring-w.gif 55B prev_triad-on.gif 639B prev_compl.gif 671B prev_mono.gif 628B
r_color_scheme.jpg 19KB prev_triad.gif 638B prev_tetrad-on.gif 645B slider.gif 1KB prev_tetrad.gif 629B Color Scheme Generator.htm 20KB prev_compl-on.gif 679B prev_analog-on.gif 685B Thumbs.db 26KB prev_mono-on.gif 631B prev_analog.gif 679B ColorScheme Color scheme.htm 21KB images prev_mono.gif 668B wheel2-en.gif 12KB colorblind.js 21KB Thumbs.db 15KB styl.css 4KB prev_compl.gif 577B prev_mono.gif 668B prev_triad.gif 615B prev_tetrad.gif 624B Thumbs.db 17KB prev_analog.gif 619B资源评论
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