Ubilling/modules/jsc/colpick/colpick.js

/*
 colpick Color Picker
 Copyright 2013 Jose Vargas. Licensed under GPL license. Based on Stefan Petre's Color Picker www.eyecon.ro, dual licensed under the MIT and GPL licenses
 
 For usage and examples: colpick.com/plugin
 */

(function($) {
    var colpick = function() {
        var
                tpl = '<div class="colpick"><div class="colpick_color"><div class="colpick_color_overlay1"><div class="colpick_color_overlay2"><div class="colpick_selector_outer"><div class="colpick_selector_inner"></div></div></div></div></div><div class="colpick_hue"><div class="colpick_hue_arrs"><div class="colpick_hue_larr"></div><div class="colpick_hue_rarr"></div></div></div><div class="colpick_new_color"></div><div class="colpick_current_color"></div><div class="colpick_hex_field"><div class="colpick_field_letter">#</div><input type="text" maxlength="6" size="6" /></div><div class="colpick_rgb_r colpick_field"><div class="colpick_field_letter">R</div><input type="text" maxlength="3" size="3" /><div class="colpick_field_arrs"><div class="colpick_field_uarr"></div><div class="colpick_field_darr"></div></div></div><div class="colpick_rgb_g colpick_field"><div class="colpick_field_letter">G</div><input type="text" maxlength="3" size="3" /><div class="colpick_field_arrs"><div class="colpick_field_uarr"></div><div class="colpick_field_darr"></div></div></div><div class="colpick_rgb_b colpick_field"><div class="colpick_field_letter">B</div><input type="text" maxlength="3" size="3" /><div class="colpick_field_arrs"><div class="colpick_field_uarr"></div><div class="colpick_field_darr"></div></div></div><div class="colpick_hsx_h colpick_field"><div class="colpick_field_letter">H</div><input type="text" maxlength="3" size="3" /><div class="colpick_field_arrs"><div class="colpick_field_uarr"></div><div class="colpick_field_darr"></div></div></div><div class="colpick_hsx_s colpick_field"><div class="colpick_field_letter">S</div><input type="text" maxlength="3" size="3" /><div class="colpick_field_arrs"><div class="colpick_field_uarr"></div><div class="colpick_field_darr"></div></div></div><div class="colpick_hsx_x colpick_field"><div class="colpick_field_letter">B</div><input type="text" maxlength="3" size="3" /><div class="colpick_field_arrs"><div class="colpick_field_uarr"></div><div class="colpick_field_darr"></div></div></div><div class="colpick_submit"></div></div>',
                defaults = {
                    showEvent: 'click',
                    onShow: function() {
                    },
                    onBeforeShow: function() {
                    },
                    onHide: function() {
                    },
                    onChange: function() {
                    },
                    onSubmit: function() {
                    },
                    colorScheme: 'light',
                    color: '3289c7',
                    livePreview: true,
                    flat: false,
                    layout: 'full',
                    submit: 1,
                    submitText: 'OK',
                    height: 156,
                    hsl: false
                },
        //Fill the inputs of the plugin
        fillRGBFields = function(hsx, cal) {
            var rgb = $(cal).data('colpick').hsl ? hslToRgb(hsx) : hsbToRgb(hsx);
            $(cal).data('colpick').fields
                    .eq(1).val(rgb.r).end()
                    .eq(2).val(rgb.g).end()
                    .eq(3).val(rgb.b).end();
        },
                fillHSXFields = function(hsx, cal) {

                    $(cal).data('colpick').fields
                            .eq(4).val(Math.round(hsx.h)).end()
                            .eq(5).val(Math.round(hsx.s)).end()
                            .eq(6).val(Math.round(hsx.x)).end();
                },
                fillHexFields = function(hsx, cal) {
                    $(cal).data('colpick').fields.eq(0).val($(cal).data('colpick').hsl ? hslToHex(hsx) : hsbToHex(hsx));
                },
                //Set the round selector position
                setSelector = function(hsx, cal) {
                    $(cal).data('colpick').selector.css('backgroundColor', '#' + ($(cal).data('colpick').hsl ? hslToHex({h: hsx.h, s: 100, x: 50}) : hsbToHex({h: hsx.h, s: 100, x: 100})));
                    $(cal).data('colpick').selectorIndic.css({
                        left: parseInt($(cal).data('colpick').height * hsx.s / 100, 10),
                        top: parseInt($(cal).data('colpick').height * (100 - hsx.x) / 100, 10)
                    });
                },
                //Set the hue selector position
                setHue = function(hsx, cal) {
                    $(cal).data('colpick').hue.css('top', parseInt($(cal).data('colpick').height - $(cal).data('colpick').height * hsx.h / 360, 10));
                },
                //Set current and new colors
                setCurrentColor = function(hsx, cal) {
                    $(cal).data('colpick').currentColor.css('backgroundColor', '#' + ($(cal).data('colpick').hsl ? hslToHex(hsx) : hsbToHex(hsx)));
                },
                setNewColor = function(hsx, cal) {
                    $(cal).data('colpick').newColor.css('backgroundColor', '#' + ($(cal).data('colpick').hsl ? hslToHex(hsx) : hsbToHex(hsx)));
                },
                //Called when the new color is changed
                change = function(ev) {
                    var cal = $(this).parent().parent(), col;
                    if (this.parentNode.className.indexOf('_hex') > 0) {
                        cal.data('colpick').color = col = cal.data('colpick').hsl ? hexToHsl(fixHex(this.value)) : hexToHsb(fixHex(this.value));
                        fillRGBFields(col, cal.get(0));
                        fillHSXFields(col, cal.get(0));
                    } else if (this.parentNode.className.indexOf('_hsx') > 0) {
                        cal.data('colpick').color = col = fixHsx({
                            h: parseInt(cal.data('colpick').fields.eq(4).val(), 10),
                            s: parseInt(cal.data('colpick').fields.eq(5).val(), 10),
                            x: parseInt(cal.data('colpick').fields.eq(6).val(), 10)
                        });
                        fillRGBFields(col, cal.get(0));
                        fillHexFields(col, cal.get(0));
                    } else {
                        var rgb = {
                            r: parseInt(cal.data('colpick').fields.eq(1).val(), 10),
                            g: parseInt(cal.data('colpick').fields.eq(2).val(), 10),
                            b: parseInt(cal.data('colpick').fields.eq(3).val(), 10)
                        };
                        cal.data('colpick').color = col = cal.data('colpick').hsl ? rgbToHsl(fixRgb(rgb)) : rgbToHsb(fixRgb(rgb));
                        fillHexFields(col, cal.get(0));
                        fillHSXFields(col, cal.get(0));
                    }
                    setSelector(col, cal.get(0));
                    setHue(col, cal.get(0));
                    setNewColor(col, cal.get(0));
                    cal.data('colpick').onChange.apply(cal.parent(), [col, cal.data('colpick').hsl ? hslToHex(col) : hslToHex(col), cal.data('colpick').hsl ? hslToRgb(col) : hsbToRgb(col), cal.data('colpick').el, 0]);
                },
                //Change style on blur and on focus of inputs
                blur = function(ev) {
                    $(this).parent().removeClass('colpick_focus');
                },
                focus = function() {
                    $(this).parent().parent().data('colpick').fields.parent().removeClass('colpick_focus');
                    $(this).parent().addClass('colpick_focus');
                },
                //Increment/decrement arrows functions
                downIncrement = function(ev) {
                    ev.preventDefault ? ev.preventDefault() : ev.returnValue = false;
                    var field = $(this).parent().find('input').focus();
                    var current = {
                        el: $(this).parent().addClass('colpick_slider'),
                        max: this.parentNode.className.indexOf('_hsx_h') > 0 ? 360 : (this.parentNode.className.indexOf('_hsx') > 0 ? 100 : 255),
                        y: ev.pageY,
                        field: field,
                        val: parseInt(field.val(), 10),
                        preview: $(this).parent().parent().data('colpick').livePreview
                    };
                    $(document).mouseup(current, upIncrement);
                    $(document).mousemove(current, moveIncrement);
                },
                moveIncrement = function(ev) {
                    ev.data.field.val(Math.max(0, Math.min(ev.data.max, parseInt(ev.data.val - ev.pageY + ev.data.y, 10))));
                    if (ev.data.preview) {
                        change.apply(ev.data.field.get(0), [true]);
                    }
                    return false;
                },
                upIncrement = function(ev) {
                    change.apply(ev.data.field.get(0), [true]);
                    ev.data.el.removeClass('colpick_slider').find('input').focus();
                    $(document).off('mouseup', upIncrement);
                    $(document).off('mousemove', moveIncrement);
                    return false;
                },
                //Hue slider functions
                downHue = function(ev) {
                    ev.preventDefault ? ev.preventDefault() : ev.returnValue = false;
                    var current = {
                        cal: $(this).parent(),
                        y: $(this).offset().top
                    };
                    $(document).on('mouseup touchend', current, upHue);
                    $(document).on('mousemove touchmove', current, moveHue);

                    var pageY = ((ev.type == 'touchstart') ? ev.originalEvent.changedTouches[0].pageY : ev.pageY);
                    change.apply(
                            current.cal.data('colpick')
                            .fields.eq(4).val(parseInt(360 * (current.cal.data('colpick').height - (pageY - current.y)) / current.cal.data('colpick').height, 10))
                            .get(0),
                            [current.cal.data('colpick').livePreview]
                            );
                    return false;
                },
                moveHue = function(ev) {
                    var pageY = ((ev.type == 'touchmove') ? ev.originalEvent.changedTouches[0].pageY : ev.pageY);
                    change.apply(
                            ev.data.cal.data('colpick')
                            .fields.eq(4).val(parseInt(360 * (ev.data.cal.data('colpick').height - Math.max(0, Math.min(ev.data.cal.data('colpick').height, (pageY - ev.data.y)))) / ev.data.cal.data('colpick').height, 10))
                            .get(0),
                            [ev.data.preview]
                            );
                    return false;
                },
                upHue = function(ev) {
                    //fillRGBFields(ev.data.cal.data('colpick').color, ev.data.cal.get(0));
                    //fillHexFields(ev.data.cal.data('colpick').color, ev.data.cal.get(0));
                    $(document).off('mouseup touchend', upHue);
                    $(document).off('mousemove touchmove', moveHue);
                    return false;
                },
                //Color selector functions
                downSelector = function(ev) {
                    ev.preventDefault ? ev.preventDefault() : ev.returnValue = false;
                    var current = {
                        cal: $(this).parent(),
                        pos: $(this).offset()
                    };
                    current.preview = current.cal.data('colpick').livePreview;

                    $(document).on('mouseup touchend', current, upSelector);
                    $(document).on('mousemove touchmove', current, moveSelector);

                    var payeX, pageY;
                    if (ev.type == 'touchstart') {
                        pageX = ev.originalEvent.changedTouches[0].pageX,
                                pageY = ev.originalEvent.changedTouches[0].pageY;
                    } else {
                        pageX = ev.pageX;
                        pageY = ev.pageY;
                    }

                    change.apply(
                            current.cal.data('colpick').fields
                            .eq(6).val(parseInt(100 * (current.cal.data('colpick').height - (pageY - current.pos.top)) / current.cal.data('colpick').height, 10)).end()
                            .eq(5).val(parseInt(100 * (pageX - current.pos.left) / current.cal.data('colpick').height, 10))
                            .get(0),
                            [current.preview]
                            );
                    return false;
                },
                moveSelector = function(ev) {
                    var payeX, pageY;
                    if (ev.type == 'touchmove') {
                        pageX = ev.originalEvent.changedTouches[0].pageX,
                                pageY = ev.originalEvent.changedTouches[0].pageY;
                    } else {
                        pageX = ev.pageX;
                        pageY = ev.pageY;
                    }

                    change.apply(
                            ev.data.cal.data('colpick').fields
                            .eq(6).val(parseInt(100 * (ev.data.cal.data('colpick').height - Math.max(0, Math.min(ev.data.cal.data('colpick').height, (pageY - ev.data.pos.top)))) / ev.data.cal.data('colpick').height, 10)).end()
                            .eq(5).val(parseInt(100 * (Math.max(0, Math.min(ev.data.cal.data('colpick').height, (pageX - ev.data.pos.left)))) / ev.data.cal.data('colpick').height, 10))
                            .get(0),
                            [ev.data.preview]
                            );
                    return false;
                },
                upSelector = function(ev) {
                    //fillRGBFields(ev.data.cal.data('colpick').color, ev.data.cal.get(0));
                    //fillHexFields(ev.data.cal.data('colpick').color, ev.data.cal.get(0));
                    $(document).off('mouseup touchend', upSelector);
                    $(document).off('mousemove touchmove', moveSelector);
                    return false;
                },
                //Submit button
                clickSubmit = function(ev) {
                    var cal = $(this).parent();
                    var col = cal.data('colpick').color;
                    cal.data('colpick').origColor = col;
                    setCurrentColor(col, cal.get(0));
                    cal.data('colpick').onSubmit(col, cal.data('colpick').hsl ? hslToHex(col) : hslToHex(col), cal.data('colpick').hsl ? hslToRgb(col) : hsbToRgb(col), cal.data('colpick').el);
                },
                //Show/hide the color picker
                show = function(ev) {
                    // Prevent the trigger of any direct parent
                    ev.stopPropagation();
                    var cal = $('#' + $(this).data('colpickId'));
                    cal.data('colpick').onBeforeShow.apply(this, [cal.get(0)]);
                    var pos = $(this).offset();
                    var top = pos.top + this.offsetHeight;
                    var left = pos.left;
                    var viewPort = getViewport();
                    var calW = cal.width();
                    if (left + calW > viewPort.l + viewPort.w) {
                        left -= calW;
                    }
                    cal.css({left: left + 'px', top: top + 'px'});
                    if (cal.data('colpick').onShow.apply(this, [cal.get(0)]) != false) {
                        cal.show();
                    }
                    //Hide when user clicks outside
                    $('html').mousedown({cal: cal}, hide);
                    cal.mousedown(function(ev) {
                        ev.stopPropagation();
                    })
                },
                hide = function(ev) {
                    if (ev.data.cal.data('colpick').onHide.apply(this, [ev.data.cal.get(0)]) != false) {
                        ev.data.cal.hide();
                    }
                    $('html').off('mousedown', hide);
                },
                getViewport = function() {
                    var m = document.compatMode == 'CSS1Compat';
                    return {
                        l: window.pageXOffset || (m ? document.documentElement.scrollLeft : document.body.scrollLeft),
                        w: window.innerWidth || (m ? document.documentElement.clientWidth : document.body.clientWidth)
                    };
                },
                //Fix the values if the user enters a negative or high value
                fixHsx = function(hsx) {
                    return {
                        h: Math.min(360, Math.max(0, hsx.h)),
                        s: Math.min(100, Math.max(0, hsx.s)),
                        x: Math.min(100, Math.max(0, hsx.x))
                    };
                },
                fixRgb = function(rgb) {
                    return {
                        r: Math.min(255, Math.max(0, rgb.r)),
                        g: Math.min(255, Math.max(0, rgb.g)),
                        b: Math.min(255, Math.max(0, rgb.b))
                    };
                },
                fixHex = function(hex) {
                    var len = 6 - hex.length;
                    if (len > 0) {
                        var o = [];
                        for (var i = 0; i < len; i++) {
                            o.push('0');
                        }
                        o.push(hex);
                        hex = o.join('');
                    }
                    return hex;
                },
                restoreOriginal = function() {
                    var cal = $(this).parent();
                    var col = cal.data('colpick').origColor;
                    cal.data('colpick').color = col;
                    fillRGBFields(col, cal.get(0));
                    fillHexFields(col, cal.get(0));
                    fillHSXFields(col, cal.get(0));
                    setSelector(col, cal.get(0));
                    setHue(col, cal.get(0));
                    setNewColor(col, cal.get(0));
                };
        return {
            init: function(opt) {
                opt = $.extend({}, defaults, opt || {});
                //Set color
                if (typeof opt.color == 'string') {
                    opt.color = opt.hsl ? hexToHsl(opt.color) : hexToHsb(opt.color);
                } else if (opt.color.r != undefined && opt.color.g != undefined && opt.color.b != undefined) {
                    opt.color = opt.hsl ? rgbToHsl(opt.color) : rgbToHsb(opt.color);
                } else if (opt.color.h != undefined && opt.color.s != undefined && opt.color.b != undefined) {
                    opt.color = opt.hsl ? fixHsl(opt.color) : fixHsb(opt.color);
                } else {
                    return this;
                }

                //For each selected DOM element
                return this.each(function() {
                    //If the element does not have an ID
                    if (!$(this).data('colpickId')) {
                        var options = $.extend({}, opt);
                        options.origColor = opt.color;
                        //Generate and assign a random ID
                        var id = 'collorpicker_' + parseInt(Math.random() * 1000);
                        $(this).data('colpickId', id);
                        //Set the tpl's ID and get the HTML
                        var cal = $(tpl).attr('id', id);
                        //Add class according to layout
                        cal.addClass('colpick_' + options.layout + (options.submit ? '' : ' colpick_' + options.layout + '_ns'));
                        //Add class if the color scheme is not default
                        if (options.colorScheme != 'light')
                            cal.addClass('colpick_' + options.colorScheme);
                        //Add class if HSL is enabled
                        if (options.hsl)
                            cal.addClass('colpick_hsl');
                        //Setup submit button
                        cal.find('div.colpick_submit').html(options.submitText).click(clickSubmit);
                        //Setup input fields
                        options.fields = cal.find('input').change(change).blur(blur).focus(focus);
                        cal.find('div.colpick_field_arrs').mousedown(downIncrement).end().find('div.colpick_current_color').click(restoreOriginal);
                        //Setup hue selector
                        options.selector = cal.find('div.colpick_color').on('mousedown touchstart', downSelector);
                        options.selectorIndic = options.selector.find('div.colpick_selector_outer');
                        //Store parts of the plugin
                        options.el = this;
                        options.hue = cal.find('div.colpick_hue_arrs');
                        huebar = options.hue.parent();
                        //Paint the hue bar
                        var UA = navigator.userAgent.toLowerCase();
                        var isIE = navigator.appName === 'Microsoft Internet Explorer';
                        var IEver = isIE ? parseFloat(UA.match(/msie ([0-9]{1,}[\.0-9]{0,})/)[1]) : 0;
                        var ngIE = (isIE && IEver < 10);
                        var stops = ['#ff0000', '#ff0080', '#ff00ff', '#8000ff', '#0000ff', '#0080ff', '#00ffff', '#00ff80', '#00ff00', '#80ff00', '#ffff00', '#ff8000', '#ff0000'];
                        if (ngIE) {
                            var i, div;
                            for (i = 0; i <= 11; i++) {
                                div = $('<div></div>').attr('style', 'height:8.333333%; filter:progid:DXImageTransform.Microsoft.gradient(GradientType=0,startColorstr=' + stops[i] + ', endColorstr=' + stops[i + 1] + '); -ms-filter: "progid:DXImageTransform.Microsoft.gradient(GradientType=0,startColorstr=' + stops[i] + ', endColorstr=' + stops[i + 1] + ')";');
                                huebar.append(div);
                            }
                        } else {
                            stopList = stops.join(',');
                            huebar.attr('style', 'background:-webkit-linear-gradient(top center,' + stopList + '); background:-moz-linear-gradient(top center,' + stopList + '); background:linear-gradient(to bottom,' + stopList + '); ');
                        }
                        cal.find('div.colpick_hue').on('mousedown touchstart', downHue);
                        options.newColor = cal.find('div.colpick_new_color');
                        options.currentColor = cal.find('div.colpick_current_color');
                        //Store options and fill with default color
                        cal.data('colpick', options);
                        fillRGBFields(options.color, cal.get(0));
                        fillHSXFields(options.color, cal.get(0));
                        fillHexFields(options.color, cal.get(0));
                        setHue(options.color, cal.get(0));
                        setSelector(options.color, cal.get(0));
                        setCurrentColor(options.color, cal.get(0));
                        setNewColor(options.color, cal.get(0));
                        //Append to body if flat=false, else show in place
                        if (options.flat) {
                            cal.appendTo(this).show();
                            cal.css({
                                position: 'relative',
                                display: 'block'
                            });
                        } else {
                            cal.appendTo(document.body);
                            $(this).on(options.showEvent, show);
                            cal.css({
                                position: 'absolute'
                            });
                        }
                    }
                });
            },
            //Shows the picker
            showPicker: function() {
                return this.each(function() {
                    if ($(this).data('colpickId')) {
                        show.apply(this);
                    }
                });
            },
            //Hides the picker
            hidePicker: function() {
                return this.each(function() {
                    if ($(this).data('colpickId')) {
                        $('#' + $(this).data('colpickId')).hide();
                    }
                });
            },
            //Sets a color as new and current (default)
            setColor: function(col, setCurrent) {
                setCurrent = (typeof setCurrent === "undefined") ? 1 : setCurrent;
                if (typeof col == 'string') {
                    col = hexToHsb(col);
                } else if (col.r != undefined && col.g != undefined && col.b != undefined) {
                    col = rgbToHsb(col);
                } else if (col.h != undefined && col.s != undefined && col.b != undefined) {
                    col = fixHsb(col);
                } else {
                    return this;
                }
                return this.each(function() {
                    if ($(this).data('colpickId')) {
                        var cal = $('#' + $(this).data('colpickId'));
                        cal.data('colpick').color = col;
                        cal.data('colpick').origColor = col;
                        fillRGBFields(col, cal.get(0));
                        fillHSXFields(col, cal.get(0));
                        fillHexFields(col, cal.get(0));
                        setHue(col, cal.get(0));
                        setSelector(col, cal.get(0));

                        setNewColor(col, cal.get(0));
                        cal.data('colpick').onChange.apply(cal.parent(), [
                            col,
                            cal.data('colpick').hsl ? hslToHex(col) : hsbToHex(col),
                            cal.data('colpick').hsl ? hslToRgb(col) : hsbToRgb(col),
                            cal.data('colpick').el,
                            1
                        ]);
                        if (setCurrent) {
                            setCurrentColor(col, cal.get(0));
                        }
                    }
                });
            }
        };
    }();
    //Color space convertions
    var hexToRgb = function(hex) {
        var hex = parseInt(((hex.indexOf('#') > -1) ? hex.substring(1) : hex), 16);
        return {r: hex >> 16, g: (hex & 0x00FF00) >> 8, b: (hex & 0x0000FF)};
    };
    var hexToHsb = function(hex) {
        return rgbToHsb(hexToRgb(hex));
    };
    var hexToHsl = function(hex) {
        return rgbToHsl(hexToRgb(hex));
    };
    var rgbToHsb = function(rgb) {
        var hsb = {h: 0, s: 0, x: 0};
        var min = Math.min(rgb.r, rgb.g, rgb.b);
        var max = Math.max(rgb.r, rgb.g, rgb.b);
        var delta = max - min;
        hsb.x = max;
        hsb.s = max != 0 ? 255 * delta / max : 0;
        if (hsb.s != 0) {
            if (rgb.r == max)
                hsb.h = (rgb.g - rgb.b) / delta;
            else if (rgb.g == max)
                hsb.h = 2 + (rgb.b - rgb.r) / delta;
            else
                hsb.h = 4 + (rgb.r - rgb.g) / delta;
        } else
            hsb.h = -1;
        hsb.h *= 60;
        if (hsb.h < 0)
            hsb.h += 360;
        hsb.s *= 100 / 255;
        hsb.x *= 100 / 255;
        return hsb;
    };
    var rgbToHsl = function(rgb) {
        return hsbToHsl(rgbToHsb(rgb));
    };
    var hsbToHsl = function(hsb) {
        var hsl = {h: 0, s: 0, x: 0};
        hsl.h = hsb.h;
        hsl.x = hsb.x * (200 - hsb.s) / 200;
        hsl.s = hsb.x * hsb.s / (100 - Math.abs(2 * hsl.x - 100));
        return hsl;
    };
    var hslToHsb = function(hsl) {
        var hsb = {h: 0, s: 0, x: 0};
        hsb.h = hsl.h;
        hsb.x = (200 * hsl.x + hsl.s * (100 - Math.abs(2 * hsl.x - 100))) / 200
        hsb.s = 200 * (hsb.x - hsl.x) / hsb.x;
        return hsb;
    };
    var hsbToRgb = function(hsb) {
        var rgb = {};
        var h = hsb.h;
        var s = hsb.s * 255 / 100;
        var v = hsb.x * 255 / 100;
        if (s == 0) {
            rgb.r = rgb.g = rgb.b = v;
        } else {
            var t1 = v;
            var t2 = (255 - s) * v / 255;
            var t3 = (t1 - t2) * (h % 60) / 60;
            if (h == 360)
                h = 0;
            if (h < 60) {
                rgb.r = t1;
                rgb.b = t2;
                rgb.g = t2 + t3
            }
            else if (h < 120) {
                rgb.g = t1;
                rgb.b = t2;
                rgb.r = t1 - t3
            }
            else if (h < 180) {
                rgb.g = t1;
                rgb.r = t2;
                rgb.b = t2 + t3
            }
            else if (h < 240) {
                rgb.b = t1;
                rgb.r = t2;
                rgb.g = t1 - t3
            }
            else if (h < 300) {
                rgb.b = t1;
                rgb.g = t2;
                rgb.r = t2 + t3
            }
            else if (h < 360) {
                rgb.r = t1;
                rgb.g = t2;
                rgb.b = t1 - t3
            }
            else {
                rgb.r = 0;
                rgb.g = 0;
                rgb.b = 0
            }
        }
        return {r: Math.round(rgb.r), g: Math.round(rgb.g), b: Math.round(rgb.b)};
    };
    var hslToRgb = function(hsl) {
        return hsbToRgb(hslToHsb(hsl));
    };
    var rgbToHex = function(rgb) {
        var hex = [
            rgb.r.toString(16),
            rgb.g.toString(16),
            rgb.b.toString(16)
        ];
        $.each(hex, function(nr, val) {
            if (val.length == 1) {
                hex[nr] = '0' + val;
            }
        });
        return hex.join('');
    };
    var hsbToHex = function(hsb) {
        return rgbToHex(hsbToRgb(hsb));
    };
    var hslToHex = function(hsl) {
        return hsbToHex(hslToHsb(hsl));
    };
    $.fn.extend({
        colpick: colpick.init,
        colpickHide: colpick.hidePicker,
        colpickShow: colpick.showPicker,
        colpickSetColor: colpick.setColor
    });
    $.extend({
        colpick: {
            rgbToHex: rgbToHex,
            rgbToHsb: rgbToHsb,
            rgbToHsl: rgbToHsl,
            hsbToHex: hsbToHex,
            hsbToRgb: hsbToRgb,
            hsbToHsl: hsbToHsl,
            hexToHsb: hexToHsb,
            hexToHsl: hexToHsl,
            hexToRgb: hexToRgb,
            hslToHsb: hslToHsb,
            hslToRgb: hslToRgb,
            hslToHex: hslToHex
        }
    });
})(jQuery);