Reflection script - tilføje border
Jeg bruger nedenstående script til at lave reflection på mine billeder (kan også findes på http://cow.neondragon.net/stuff/reflection/)Jeg vil gerne have tilføjet en border på mine billeder som også bliver reflekteret og fader ud. Det skal se sådan her ud: http://www.peecee.dk/resize.php?id=37787 altså med en padding på ca 4px ud til borderen på 1px.
Jeg er ingen haj til js, så det er kun lykkedes mig at få tilføjet border på billeder i firefox og border på reflection i ie...men ingen af delene i begge :(
Løsningen skal virker i alle moderne browsere og gerne tilbage til ie6.
Scriptet ser pt sådan her ud:
/**
* reflection.js v1.6
*
* Contributors: Cow http://cow.neondragon.net
* Gfx http://www.jroller.com/page/gfx/
* Sitharus http://www.sitharus.com
* Andreas Linde http://www.andreaslinde.de
* Tralala, coder @ http://www.vbulletin.org
*
* Freely distributable under MIT-style license.
*/
/* From prototype.js */
document.getElementsByClassName = function(className) {
var children = document.getElementsByTagName('*') || document.all;
var elements = new Array();
for (var i = 0; i < children.length; i++) {
var child = children[i];
var classNames = child.className.split(' ');
for (var j = 0; j < classNames.length; j++) {
if (classNames[j] == className) {
elements.push(child);
break;
}
}
}
return elements;
}
var Reflection = {
defaultHeight : 0.5,
defaultOpacity: 0.5,
add: function(image, options) {
Reflection.remove(image);
doptions = { "height" : Reflection.defaultHeight, "opacity" : Reflection.defaultOpacity }
if (options) {
for (var i in doptions) {
if (!options[i]) {
options[i] = doptions[i];
}
}
} else {
options = doptions;
}
try {
var d = document.createElement('div');
var p = image;
var classes = p.className.split(' ');
var newClasses = '';
for (j=0;j<classes.length;j++) {
if (classes[j] != "reflect") {
if (newClasses) {
newClasses += ' '
}
newClasses += classes[j];
}
}
var reflectionHeight = Math.floor(p.height*options['height']);
var divHeight = Math.floor(p.height*(1+options['height']));
var reflectionWidth = p.width;
if (document.all && !window.opera) {
/* Copy original image's classes & styles to div */
d.className = newClasses;
p.className = 'reflected';
d.style.cssText = p.style.cssText;
p.style.cssText = 'vertical-align: bottom';
var reflection = document.createElement('img');
reflection.src = p.src;
reflection.style.width = reflectionWidth+'px';
reflection.style.margin = '4px 0 0 0';
reflection.style.marginBottom = "-"+(p.height-reflectionHeight)+'px';
reflection.style.filter = 'flipv progid:DXImageTransform.Microsoft.Alpha(opacity='+(options['opacity']*100)+', style=1, finishOpacity=0, startx=0, starty=0, finishx=0, finishy='+(options['height']*100)+')';
d.style.width = reflectionWidth+'px';
d.style.height = divHeight+'px';
p.parentNode.replaceChild(d, p);
d.appendChild(p);
d.appendChild(reflection);
} else {
var canvas = document.createElement('canvas');
if (canvas.getContext) {
/* Copy original image's classes & styles to div */
d.className = newClasses;
p.className = 'reflected';
d.style.cssText = p.style.cssText;
p.style.cssText = 'vertical-align: bottom';
var context = canvas.getContext("2d");
canvas.style.height = reflectionHeight+'px';
canvas.style.width = reflectionWidth+'px';
canvas.style.margin = '4px 0 0 0';
canvas.height = reflectionHeight;
canvas.width = reflectionWidth;
d.style.width = reflectionWidth+'px';
d.style.height = divHeight+'px';
p.parentNode.replaceChild(d, p);
d.appendChild(p);
d.appendChild(canvas);
context.save();
context.translate(0,image.height-1);
context.scale(1,-1);
context.drawImage(image, 0, 0, reflectionWidth, image.height);
context.restore();
context.globalCompositeOperation = "destination-out";
var gradient = context.createLinearGradient(0, 0, 0, reflectionHeight);
gradient.addColorStop(1, "rgba(255, 255, 255, 1.0)");
gradient.addColorStop(0, "rgba(255, 255, 255, "+(1-options['opacity'])+")");
context.fillStyle = gradient;
if (navigator.appVersion.indexOf('WebKit') != -1) {
context.fill();
} else {
context.fillRect(0, 0, reflectionWidth, reflectionHeight*2);
}
}
}
} catch (e) {
}
},
remove : function(image) {
if (image.className == "reflected") {
image.className = image.parentNode.className;
image.parentNode.parentNode.replaceChild(image, image.parentNode);
}
}
}
function addReflections() {
var rimages = document.getElementsByClassName('reflect');
for (i=0;i<rimages.length;i++) {
var rheight = null;
var ropacity = null;
var classes = rimages[i].className.split(' ');
for (j=0;j<classes.length;j++) {
if (classes[j].indexOf("rheight") == 0) {
var rheight = classes[j].substring(7)/100;
} else if (classes[j].indexOf("ropacity") == 0) {
var ropacity = classes[j].substring(8)/100;
}
}
Reflection.add(rimages[i], { height: rheight, opacity : ropacity});
}
}
var previousOnload = window.onload;
window.onload = function () { if(previousOnload) previousOnload(); addReflections(); }
