Codice PHP:
var tmp = navigator.appName == 'Microsoft Internet Explorer' && navigator.userAgent.indexOf('Opera') < 1 ? 1 : 0;
if(tmp) var isIE = document.namespaces ? 1 : 0;
if(isIE) {
if(document.namespaces['v'] == null) {
var stl = document.createStyleSheet();
stl.addRule("v\\:*", "behavior: url(#default#VML);");
document.namespaces.add("v", "urn:schemas-microsoft-com:vml");
}
}
function getRadius(radius,width,height){
var part = (Math.min(width,height)/100);
radius = Math.max(Math.min(100,radius/part),0);
return radius + '%';
}
function getImages(className){
var children = document.getElementsByTagName('img');
var elements = new Array(); var i = 0;
var child; var classNames; var j = 0;
for (i=0;i<children.length;i++) {
child = children[i];
classNames = child.className.split(' ');
for (var j = 0; j < classNames.length; j++) {
if (classNames[j] == className) {
elements.push(child);
break;
}
}
}
return elements;
}
function getClasses(classes,string){
var temp = '';
for (var j=0;j<classes.length;j++) {
if (classes[j] != string) {
if (temp) {
temp += ' '
}
temp += classes[j];
}
}
return temp;
}
function getClassValue(classes,string){
var temp = 0; var pos = string.length;
for (var j=0;j<classes.length;j++) {
if (classes[j].indexOf(string) == 0) {
temp = Math.min(classes[j].substring(pos),100);
break;
}
}
return Math.max(0,temp);
}
function getClassAttribute(classes,string){
var temp = 0; var pos = string.length;
for (var j=0;j<classes.length;j++) {
if (classes[j].indexOf(string) == 0) {
temp = 1; break;
}
}
return temp;
}
function roundedRect(ctx,x,y,width,height,radius,nopath){
if (!nopath) ctx.beginPath();
ctx.moveTo(x,y+radius);
ctx.lineTo(x,y+height-radius);
ctx.quadraticCurveTo(x,y+height,x+radius,y+height);
ctx.lineTo(x+width-radius,y+height);
ctx.quadraticCurveTo(x+width,y+height,x+width,y+height-radius);
ctx.lineTo(x+width,y+radius);
ctx.quadraticCurveTo(x+width,y,x+width-radius,y);
ctx.lineTo(x+radius,y);
ctx.quadraticCurveTo(x,y,x,y+radius);
if (!nopath) ctx.closePath();
}
function addGradient(ctx,x,y,w,h,color,opacity) {
var tmp = ctx.createLinearGradient(x,y,w,h);
var val = (color!=0?0.25:0.35);
tmp.addColorStop(0,'rgba('+color+','+color+','+color+',0.9)');
tmp.addColorStop(val,'rgba('+color+','+color+','+color+','+opacity+')');
tmp.addColorStop(0.75,'rgba('+color+','+color+','+color+',0)');
tmp.addColorStop(1,'rgba('+color+','+color+','+color+',0)');
return tmp;
}
function addRadialStyle(ctx,x1,y1,r1,x2,y2,r2,opacity) {
var tmp = ctx.createRadialGradient(x1,y1,r1,x2,y2,r2);
var opt = Math.min(parseFloat(opacity+0.1),1.0);
tmp.addColorStop(0,'rgba(0,0,0,'+opt+')');
tmp.addColorStop(0.25,'rgba(0,0,0,'+opacity+')');
tmp.addColorStop(1,'rgba(0,0,0,0)');
return tmp;
}
function addLinearStyle(ctx,x,y,w,h,opacity) {
var tmp = ctx.createLinearGradient(x,y,w,h);
var opt = Math.min(parseFloat(opacity+0.1),1.0);
tmp.addColorStop(0,'rgba(0,0,0,'+opt+')');
tmp.addColorStop(0.25,'rgba(0,0,0,'+opacity+')');
tmp.addColorStop(1,'rgba(0,0,0,0)');
return tmp;
}
function addShine(ctx,width,height,radius,opacity,extra) {
var style; var color = (extra!=1?254:0);
style = addGradient(ctx,0,radius,radius,radius,color,opacity);
ctx.beginPath();
ctx.moveTo(0,0);
ctx.lineTo(0,height);
ctx.lineTo(radius,height);
ctx.lineTo(radius,radius);
ctx.closePath();
ctx.fillStyle = style;
ctx.fill();
style = addGradient(ctx,radius,0,radius,radius,color,opacity);
ctx.beginPath();
ctx.moveTo(0,0);
ctx.lineTo(width,0);
ctx.lineTo(width,radius);
ctx.lineTo(radius,radius);
ctx.closePath();
ctx.fillStyle = style;
ctx.fill();
}
function addShade(ctx,width,height,radius,opacity) {
var style;
style = addGradient(ctx,width,radius,width-radius,radius,0,opacity);
ctx.beginPath();
ctx.moveTo(width,0);
ctx.lineTo(width,height);
ctx.lineTo(width-radius,height-radius);
ctx.lineTo(width-radius,radius);
ctx.closePath();
ctx.fillStyle = style;
ctx.fill();
style = addGradient(ctx,radius,height,radius,height-radius,0,opacity);
ctx.beginPath();
ctx.moveTo(width,height);
ctx.lineTo(0,height);
ctx.lineTo(radius,height-radius);
ctx.lineTo(width-radius,height-radius);
ctx.closePath();
ctx.fillStyle = style;
ctx.fill();
}
function roundedShadow(ctx,x,y,width,height,radius,opacity){
var style;
ctx.beginPath();
ctx.rect(x,y+height-radius,radius,radius);
ctx.closePath();
style = addRadialStyle(ctx,x+radius,y+height-radius,radius-x,x+radius,y+height-radius,radius,opacity);
ctx.fillStyle = style;
ctx.fill();
ctx.beginPath();
ctx.rect(x+radius,y+height-y,width-(radius*2.25),y);
ctx.closePath();
style = addLinearStyle(ctx,x+radius,y+height-y,x+radius,y+height,opacity);
ctx.fillStyle = style;
ctx.fill();
ctx.beginPath();
ctx.rect(x+width-(radius*1.25),y+height-(radius*1.25),radius*1.25,radius*1.25);
ctx.closePath();
style = addRadialStyle(ctx,x+width-(radius*1.25),y+height-(radius*1.25),(radius*1.25)-1.5-x,x+width-(radius*1.25),y+height-(radius*1.25),radius*1.25,opacity);
ctx.fillStyle = style;
ctx.fill();
ctx.beginPath();
ctx.rect(x+width-x,y+radius,x,height-(radius*2.25));
ctx.closePath();
style = addLinearStyle(ctx,x+width-x,y+radius,x+width,y+radius,opacity);
ctx.fillStyle = style;
ctx.fill();
ctx.beginPath();
ctx.rect(x+width-radius,y,radius,radius);
ctx.closePath();
style = addRadialStyle(ctx,x+width-radius,y+radius,radius-x,x+width-radius,y+radius,radius,opacity);
ctx.fillStyle = style;
ctx.fill();
}
Rispondi quotando
] ma nel web ho trovato solo questo che soddisfi in parte le mie esigenze 
