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farbtastic.js
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/*! * Farbtastic: jQuery color picker plug-in v1.3u * https://github.com/mattfarina/farbtastic * * Licensed under the GPL license: * http://www.gnu.org/licenses/gpl.html */ /** * Modified for WordPress: replaced deprecated jQuery methods. * See https://core.trac.wordpress.org/ticket/57946. */ (function($) { $.fn.farbtastic = function (options) { $.farbtastic(this, options); return this; }; $.farbtastic = function (container, callback) { var container = $(container).get(0); return container.farbtastic || (container.farbtastic = new $._farbtastic(container, callback)); }; $._farbtastic = function (container, callback) { // Store farbtastic object var fb = this; // Insert markup $(container).html('<div class="farbtastic"><div class="color"></div><div class="wheel"></div><div class="overlay"></div><div class="h-marker marker"></div><div class="sl-marker marker"></div></div>'); var e = $('.farbtastic', container); fb.wheel = $('.wheel', container).get(0); // Dimensions fb.radius = 84; fb.square = 100; fb.width = 194; // Fix background PNGs in IE6 if (navigator.appVersion.match(/MSIE [0-6]\./)) { $('*', e).each(function () { if (this.currentStyle.backgroundImage != 'none') { var image = this.currentStyle.backgroundImage; image = this.currentStyle.backgroundImage.substring(5, image.length - 2); $(this).css({ 'backgroundImage': 'none', 'filter': "progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true, sizingMethod=crop, src='" + image + "')" }); } }); } /** * Link to the given element(s) or callback. */ fb.linkTo = function (callback) { // Unbind previous nodes if (typeof fb.callback == 'object') { $(fb.callback).off('keyup', fb.updateValue); } // Reset color fb.color = null; // Bind callback or elements if (typeof callback == 'function') { fb.callback = callback; } else if (typeof callback == 'object' || typeof callback == 'string') { fb.callback = $(callback); fb.callback.on('keyup', fb.updateValue); if (fb.callback.get(0).value) { fb.setColor(fb.callback.get(0).value); } } return this; }; fb.updateValue = function (event) { if (this.value && this.value != fb.color) { fb.setColor(this.value); } }; /** * Change color with HTML syntax #123456 */ fb.setColor = function (color) { var unpack = fb.unpack(color); if (fb.color != color && unpack) { fb.color = color; fb.rgb = unpack; fb.hsl = fb.RGBToHSL(fb.rgb); fb.updateDisplay(); } return this; }; /** * Change color with HSL triplet [0..1, 0..1, 0..1] */ fb.setHSL = function (hsl) { fb.hsl = hsl; fb.rgb = fb.HSLToRGB(hsl); fb.color = fb.pack(fb.rgb); fb.updateDisplay(); return this; }; ///////////////////////////////////////////////////// /** * Retrieve the coordinates of the given event relative to the center * of the widget. */ fb.widgetCoords = function (event) { var offset = $(fb.wheel).offset(); return { x: (event.pageX - offset.left) - fb.width / 2, y: (event.pageY - offset.top) - fb.width / 2 }; }; /** * Mousedown handler */ fb.mousedown = function (event) { // Capture mouse if (!document.dragging) { $(document).on('mousemove', fb.mousemove).on('mouseup', fb.mouseup); document.dragging = true; } // Check which area is being dragged var pos = fb.widgetCoords(event); fb.circleDrag = Math.max(Math.abs(pos.x), Math.abs(pos.y)) * 2 > fb.square; // Process fb.mousemove(event); return false; }; /** * Mousemove handler */ fb.mousemove = function (event) { // Get coordinates relative to color picker center var pos = fb.widgetCoords(event); // Set new HSL parameters if (fb.circleDrag) { var hue = Math.atan2(pos.x, -pos.y) / 6.28; if (hue < 0) hue += 1; fb.setHSL([hue, fb.hsl[1], fb.hsl[2]]); } else { var sat = Math.max(0, Math.min(1, -(pos.x / fb.square) + .5)); var lum = Math.max(0, Math.min(1, -(pos.y / fb.square) + .5)); fb.setHSL([fb.hsl[0], sat, lum]); } return false; }; /** * Mouseup handler */ fb.mouseup = function () { // Uncapture mouse $(document).off('mousemove', fb.mousemove); $(document).off('mouseup', fb.mouseup); document.dragging = false; }; /** * Update the markers and styles */ fb.updateDisplay = function () { // Markers var angle = fb.hsl[0] * 6.28; $('.h-marker', e).css({ left: Math.round(Math.sin(angle) * fb.radius + fb.width / 2) + 'px', top: Math.round(-Math.cos(angle) * fb.radius + fb.width / 2) + 'px' }); $('.sl-marker', e).css({ left: Math.round(fb.square * (.5 - fb.hsl[1]) + fb.width / 2) + 'px', top: Math.round(fb.square * (.5 - fb.hsl[2]) + fb.width / 2) + 'px' }); // Saturation/Luminance gradient $('.color', e).css('backgroundColor', fb.pack(fb.HSLToRGB([fb.hsl[0], 1, 0.5]))); // Linked elements or callback if (typeof fb.callback == 'object') { // Set background/foreground color $(fb.callback).css({ backgroundColor: fb.color, color: fb.hsl[2] > 0.5 ? '#000' : '#fff' }); // Change linked value $(fb.callback).each(function() { if (this.value && this.value != fb.color) { this.value = fb.color; } }); } else if (typeof fb.callback == 'function') { fb.callback.call(fb, fb.color); } }; /* Various color utility functions */ fb.pack = function (rgb) { var r = Math.round(rgb[0] * 255); var g = Math.round(rgb[1] * 255); var b = Math.round(rgb[2] * 255); return '#' + (r < 16 ? '0' : '') + r.toString(16) + (g < 16 ? '0' : '') + g.toString(16) + (b < 16 ? '0' : '') + b.toString(16); }; fb.unpack = function (color) { if (color.length == 7) { return [parseInt('0x' + color.substring(1, 3)) / 255, parseInt('0x' + color.substring(3, 5)) / 255, parseInt('0x' + color.substring(5, 7)) / 255]; } else if (color.length == 4) { return [parseInt('0x' + color.substring(1, 2)) / 15, parseInt('0x' + color.substring(2, 3)) / 15, parseInt('0x' + color.substring(3, 4)) / 15]; } }; fb.HSLToRGB = function (hsl) { var m1, m2, r, g, b; var h = hsl[0], s = hsl[1], l = hsl[2]; m2 = (l <= 0.5) ? l * (s + 1) : l + s - l*s; m1 = l * 2 - m2; return [this.hueToRGB(m1, m2, h+0.33333), this.hueToRGB(m1, m2, h), this.hueToRGB(m1, m2, h-0.33333)]; }; fb.hueToRGB = function (m1, m2, h) { h = (h < 0) ? h + 1 : ((h > 1) ? h - 1 : h); if (h * 6 < 1) return m1 + (m2 - m1) * h * 6; if (h * 2 < 1) return m2; if (h * 3 < 2) return m1 + (m2 - m1) * (0.66666 - h) * 6; return m1; }; fb.RGBToHSL = function (rgb) { var min, max, delta, h, s, l; var r = rgb[0], g = rgb[1], b = rgb[2]; min = Math.min(r, Math.min(g, b)); max = Math.max(r, Math.max(g, b)); delta = max - min; l = (min + max) / 2; s = 0; if (l > 0 && l < 1) { s = delta / (l < 0.5 ? (2 * l) : (2 - 2 * l)); } h = 0; if (delta > 0) { if (max == r && max != g) h += (g - b) / delta; if (max == g && max != b) h += (2 + (b - r) / delta); if (max == b && max != r) h += (4 + (r - g) / delta); h /= 6; } return [h, s, l]; }; // Install mousedown handler (the others are set on the document on-demand) $('*', e).on('mousedown', fb.mousedown); // Init color fb.setColor('#000000'); // Set linked elements/callback if (callback) { fb.linkTo(callback); } }; })(jQuery);
/home/sudancam/public_html/0d544/../soon/../assets/../wp-admin/./js/farbtastic.js