jQuery.fn.corner = function(o) { function hex2(s) { var s = parseInt(s).toString(16); return (s.length < 2) ? '0' + s : s }; function gpc(node) { for (; node && node.nodeName.toLowerCase() != 'html'; node = node.parentNode) { var v = jQuery.css(node, 'backgroundColor'); if (v.indexOf('rgb') >= 0) { rgb = v.match(/\d+/g); return '#' + hex2(rgb[0]) + hex2(rgb[1]) + hex2(rgb[2]) } if (v && v != 'transparent') return v } return '#ffffff' }; function getW(i) { switch (fx) { case 'round': return Math.round(width * (1 - Math.cos(Math.asin(i / width)))); case 'cool': return Math.round(width * (1 + Math.cos(Math.asin(i / width)))); case 'sharp': return Math.round(width * (1 - Math.cos(Math.acos(i / width)))); case 'bite': return Math.round(width * (Math.cos(Math.asin((width - i - 1) / width)))); case 'slide': return Math.round(width * (Math.atan2(i, width / i))); case 'jut': return Math.round(width * (Math.atan2(width, (width - i - 1)))); case 'curl': return Math.round(width * (Math.atan(i))); case 'tear': return Math.round(width * (Math.cos(i))); case 'wicked': return Math.round(width * (Math.tan(i))); case 'long': return Math.round(width * (Math.sqrt(i))); case 'sculpt': return Math.round(width * (Math.log((width - i - 1), width))); case 'dog': return (i & 1) ? (i + 1) : width; case 'dog2': return (i & 2) ? (i + 1) : width; case 'dog3': return (i & 3) ? (i + 1) : width; case 'fray': return (i % 2) * width; case 'notch': return width; case 'bevel': return i + 1 } }; o = (o || "").toLowerCase(); var keep = /keep/.test(o); var cc = ((o.match(/cc:(#[0-9a-f]+)/) || [])[1]); var sc = ((o.match(/sc:(#[0-9a-f]+)/) || [])[1]); var width = parseInt((o.match(/(\d+)px/) || [])[1]) || 10; var re = /round|bevel|notch|bite|cool|sharp|slide|jut|curl|tear|fray|wicked|sculpt|long|dog3|dog2|dog/; var fx = ((o.match(re) || ['round'])[0]); var edges = { T: 0, B: 1 }; var opts = { TL: /top|tl/.test(o), TR: /top|tr/.test(o), BL: /bottom|bl/.test(o), BR: /bottom|br/.test(o) }; if (!opts.TL && !opts.TR && !opts.BL && !opts.BR) opts = { TL: 1, TR: 1, BL: 1, BR: 1 }; var strip = document.createElement('div'); strip.style.overflow = 'hidden'; strip.style.height = '1px'; strip.style.backgroundColor = sc || 'transparent'; strip.style.borderStyle = 'solid'; return this.each(function(index) { var pad = { T: parseInt(jQuery.css(this, 'paddingTop')) || 0, R: parseInt(jQuery.css(this, 'paddingRight')) || 0, B: parseInt(jQuery.css(this, 'paddingBottom')) || 0, L: parseInt(jQuery.css(this, 'paddingLeft')) || 0 }; if (jQuery.browser.msie) this.style.zoom = 1; if (!keep) this.style.border = 'none'; strip.style.borderColor = cc || gpc(this.parentNode); var cssHeight = jQuery.curCSS(this, 'height'); for (var j in edges) { var bot = edges[j]; strip.style.borderStyle = 'none ' + (opts[j + 'R'] ? 'solid' : 'none') + ' none ' + (opts[j + 'L'] ? 'solid' : 'none'); var d = document.createElement('div'); var ds = d.style; bot ? this.appendChild(d) : this.insertBefore(d, this.firstChild); if (bot && cssHeight != 'auto') { if (jQuery.css(this, 'position') == 'static') this.style.position = 'relative'; ds.position = 'absolute'; ds.bottom = ds.left = ds.padding = ds.margin = '0'; if (jQuery.browser.msie) ds.setExpression('width', 'this.parentNode.offsetWidth'); else ds.width = '100%' } else { ds.margin = !bot ? '-' + pad.T + 'px -' + pad.R + 'px ' + (pad.T - width) + 'px -' + pad.L + 'px' : (pad.B - width) + 'px -' + pad.R + 'px -' + pad.B + 'px -' + pad.L + 'px' } for (var i = 0; i < width; i++) { var w = Math.max(0, getW(i)); var e = strip.cloneNode(false); e.style.borderWidth = '0 ' + (opts[j + 'R'] ? w : 0) + 'px 0 ' + (opts[j + 'L'] ? w : 0) + 'px'; bot ? d.appendChild(e) : d.insertBefore(e, d.firstChild) } } }) };