// useful for HtmlCollection, NodeList, String types
function forEach(array, callback, scope){for (var i=0,n=array.length; i<n; i++)callback.call(scope, array[i], i, array);} // passes back stuff we need
window.addEventListener('load', onDocLoaded, false);
function onDocLoaded(evt)
{
document.getElementById('mBtn').addEventListener('click', onBtnClicked, false);
}
function onBtnClicked(evt)
{
var svgElem = document.querySelector('svg');
var b64SVG = getDataURL2(svgElem);
// doesn't work
//alterExistingCSSRuleAttrib('#panel', 'background-image', 'url('+b64SVG+');');
// does work
addCssRule('#panel', 'background-image', 'url('+b64SVG+')');
// does work
alterExistingCSSRuleAttrib('#panel', 'width', "200px");
// doesn't work
alterExistingCSSRuleAttrib('#panel', 'border', "solid 3px green");
// does work
alterExistingCSSRuleAttrib('#panel', 'border-top-color', "green");
alterExistingCSSRuleAttrib('#panel', 'border-top-width', "5px");
}
function addCssRule(selectorText, attribName, value)
{
var style = document.querySelector('style');
style.innerHTML += selectorText + "{" + attribName + ": " + value + "; }";
}
function getDataURL2(svgElem)
{
var xml = new XMLSerializer().serializeToString(svgElem);
var svg64 = btoa(xml);
var b64Start = 'data:image/svg+xml;base64,';
return b64Start + svg64;
}
function alterExistingCSSRuleAttrib(selectorText, tgtAttribName, newValue)
{
var styleSheets = document.styleSheets;
forEach(styleSheets, styleSheetFunc);
function styleSheetFunc(CSSStyleSheet)
{
forEach(CSSStyleSheet.cssRules, cssRuleFunc);
}
function cssRuleFunc(rule)
{
if (selectorText.indexOf(rule.selectorText) != -1)
forEach(rule.style, cssRuleAttributeFunc);
function cssRuleAttributeFunc(attribName)
{
if (attribName == tgtAttribName)
{
rule.style[attribName] = newValue;
console.log('attribute replaced: '+attribName);
}
}
}
}
#panel
{
\t background: url(bluebombSmall.svg);
\t display: inline-block;
\t width: 100px;
\t height: 100px;
\t border: solid 1px red;
\t border-radius: 8px;
}
#bomb2
{
\t display: none;
}
<button id='mBtn'>Click to update/add styles</button><br>
<div id='panel'></div>
<svg xmlns="http://www.w3.org/2000/svg" height="32" width="32" >
<g transform="translate(0,-1020.3622)">
<path d="m23.23,15.84a10.55,10.55,0,1,1,-21.11,0,10.55,10.55,0,1,1,21.11,0z" transform="matrix(1.1875635,0,0,1.1875635,0.68612298,1020.367)" fill="#26201e"/>
<path d="m23.23,15.84a10.55,10.55,0,1,1,-21.11,0,10.55,10.55,0,1,1,21.11,0z" transform="matrix(0.86603158,0,0,0.86603158,2.4299747,1024.1874)" fill="#333"/>
<path d="m-13.04,19.32a1.964,1.964,0,1,1,-3.929,0,1.964,1.964,0,1,1,3.929,0z" transform="matrix(1.924285,1.1058108,-1.1908732,2.0723069,62.314757,1012.6494)" fill="#CCC"/>
<path d="m15.69,1026c0.02518-5.037,7.647-7.396,8.907-2.969,0.7936,2.761,1.349,5.666,4.877,6.786" stroke="#888" stroke-width="1.5px" fill="none"/>
<rect height="2.399" width="4.798" y="1026" x="13.31" stroke-width="0" fill="#26201e"/>
<path fill="#F00" transform="translate(2.0203051,1022.13)" d="M29.8,10.53,27.1,9.62,24.82,11.32,24.86,8.477,22.54,6.833,25.25,5.989,26.1,3.271,27.74,5.595,30.59,5.558,28.89,7.839z"/>
</g>
</svg>
私は適していません内部の配置、背景を必要としています。 – Qwertiy
これは基本的に背景と同じように動作します – Grey