diff --git a/dist/dom-to-image.min.js b/dist/dom-to-image.min.js
index bc732274..8616ecec 100644
--- a/dist/dom-to-image.min.js
+++ b/dist/dom-to-image.min.js
@@ -1,2 +1,2 @@
-/*! dom-to-image 10-06-2017 */
-!function(a){"use strict";function b(a,b){function c(a){return b.bgcolor&&(a.style.backgroundColor=b.bgcolor),b.width&&(a.style.width=b.width+"px"),b.height&&(a.style.height=b.height+"px"),b.style&&Object.keys(b.style).forEach(function(c){a.style[c]=b.style[c]}),a}return b=b||{},g(b),Promise.resolve(a).then(function(a){return i(a,b.filter,!0)}).then(j).then(k).then(c).then(function(c){return l(c,b.width||q.width(a),b.height||q.height(a))})}function c(a,b){return h(a,b||{}).then(function(b){return b.getContext("2d").getImageData(0,0,q.width(a),q.height(a)).data})}function d(a,b){return h(a,b||{}).then(function(a){return a.toDataURL()})}function e(a,b){return b=b||{},h(a,b).then(function(a){return a.toDataURL("image/jpeg",b.quality||1)})}function f(a,b){return h(a,b||{}).then(q.canvasToBlob)}function g(a){"undefined"==typeof a.imagePlaceholder?v.impl.options.imagePlaceholder=u.imagePlaceholder:v.impl.options.imagePlaceholder=a.imagePlaceholder,"undefined"==typeof a.cacheBust?v.impl.options.cacheBust=u.cacheBust:v.impl.options.cacheBust=a.cacheBust}function h(a,c){function d(a){var b=document.createElement("canvas");if(b.width=c.width||q.width(a),b.height=c.height||q.height(a),c.bgcolor){var d=b.getContext("2d");d.fillStyle=c.bgcolor,d.fillRect(0,0,b.width,b.height)}return b}return b(a,c).then(q.makeImage).then(q.delay(100)).then(function(b){var c=d(a);return c.getContext("2d").drawImage(b,0,0),c})}function i(a,b,c){function d(a){return a instanceof HTMLCanvasElement?q.makeImage(a.toDataURL()):a.cloneNode(!1)}function e(a,b,c){function d(a,b,c){var d=Promise.resolve();return b.forEach(function(b){d=d.then(function(){return i(b,c)}).then(function(b){b&&a.appendChild(b)})}),d}var e=a.childNodes;return 0===e.length?Promise.resolve(b):d(b,q.asArray(e),c).then(function(){return b})}function f(a,b){function c(){function c(a,b){function c(a,b){q.asArray(a).forEach(function(c){b.setProperty(c,a.getPropertyValue(c),a.getPropertyPriority(c))})}a.cssText?b.cssText=a.cssText:c(a,b)}c(window.getComputedStyle(a),b.style)}function d(){function c(c){function d(a,b,c){function d(a){var b=a.getPropertyValue("content");return a.cssText+" content: "+b+";"}function e(a){function b(b){return b+": "+a.getPropertyValue(b)+(a.getPropertyPriority(b)?" !important":"")}return q.asArray(a).map(b).join("; ")+";"}var f="."+a+":"+b,g=c.cssText?d(c):e(c);return document.createTextNode(f+"{"+g+"}")}var e=window.getComputedStyle(a,c),f=e.getPropertyValue("content");if(""!==f&&"none"!==f){var g=q.uid();b.className=b.className+" "+g;var h=document.createElement("style");h.appendChild(d(g,c,e)),b.appendChild(h)}}[":before",":after"].forEach(function(a){c(a)})}function e(){a instanceof HTMLTextAreaElement&&(b.innerHTML=a.value),a instanceof HTMLInputElement&&b.setAttribute("value",a.value)}function f(){b instanceof SVGElement&&(b.setAttribute("xmlns","http://www.w3.org/2000/svg"),b instanceof SVGRectElement&&["width","height"].forEach(function(a){var c=b.getAttribute(a);c&&b.style.setProperty(a,c)}))}return b instanceof Element?Promise.resolve().then(c).then(d).then(e).then(f).then(function(){return b}):b}return c||!b||b(a)?Promise.resolve(a).then(d).then(function(c){return e(a,c,b)}).then(function(b){return f(a,b)}):Promise.resolve()}function j(a){return s.resolveAll().then(function(b){var c=document.createElement("style");return a.appendChild(c),c.appendChild(document.createTextNode(b)),a})}function k(a){return t.inlineAll(a).then(function(){return a})}function l(a,b,c){return Promise.resolve(a).then(function(a){return a.setAttribute("xmlns","http://www.w3.org/1999/xhtml"),(new XMLSerializer).serializeToString(a)}).then(q.escapeXhtml).then(function(a){return'<foreignObject x="0" y="0" width="100%" height="100%">'+a+"</foreignObject>"}).then(function(a){return'<svg xmlns="http://www.w3.org/2000/svg" width="'+b+'" height="'+c+'">'+a+"</svg>"}).then(function(a){return"data:image/svg+xml;charset=utf-8,"+a})}function m(){function a(){var a="application/font-woff",b="image/jpeg";return{woff:a,woff2:a,ttf:"application/font-truetype",eot:"application/vnd.ms-fontobject",png:"image/png",jpg:b,jpeg:b,gif:"image/gif",tiff:"image/tiff",svg:"image/svg+xml"}}function b(a){var b=/\.([^\.\/]*?)$/g.exec(a);return b?b[1]:""}function c(c){var d=b(c).toLowerCase();return a()[d]||""}function d(a){return a.search(/^(data:)/)!==-1}function e(a){return new Promise(function(b){for(var c=window.atob(a.toDataURL().split(",")[1]),d=c.length,e=new Uint8Array(d),f=0;f<d;f++)e[f]=c.charCodeAt(f);b(new Blob([e],{type:"image/png"}))})}function f(a){return a.toBlob?new Promise(function(b){a.toBlob(b)}):e(a)}function g(a,b){var c=document.implementation.createHTMLDocument(),d=c.createElement("base");c.head.appendChild(d);var e=c.createElement("a");return c.body.appendChild(e),d.href=b,e.href=a,e.href}function h(){var a=0;return function(){function b(){return("0000"+(Math.random()*Math.pow(36,4)<<0).toString(36)).slice(-4)}return"u"+b()+a++}}function i(a){return new Promise(function(b,c){var d=new Image;d.onload=function(){b(d)},d.onerror=c,d.src=a})}function j(a){var b=3e4;return v.impl.options.cacheBust&&(a+=(/\?/.test(a)?"&":"?")+(new Date).getTime()),new Promise(function(c){function d(){if(4===g.readyState){if(200!==g.status)return void(h?c(h):f("cannot fetch resource: "+a+", status: "+g.status));var b=new FileReader;b.onloadend=function(){var a=b.result.split(/,/)[1];c(a)},b.readAsDataURL(g.response)}}function e(){h?c(h):f("timeout of "+b+"ms occured while fetching resource: "+a)}function f(a){console.error(a),c("")}var g=new XMLHttpRequest;g.onreadystatechange=d,g.ontimeout=e,g.responseType="blob",g.timeout=b,g.open("GET",a,!0),g.send();var h;if(v.impl.options.imagePlaceholder){var i=v.impl.options.imagePlaceholder.split(/,/);i&&i[1]&&(h=i[1])}})}function k(a,b){return"data:"+b+";base64,"+a}function l(a){return a.replace(/([.*+?^${}()|\[\]\/\\])/g,"\\$1")}function m(a){return function(b){return new Promise(function(c){setTimeout(function(){c(b)},a)})}}function n(a){for(var b=[],c=a.length,d=0;d<c;d++)b.push(a[d]);return b}function o(a){return a.replace(/#/g,"%23").replace(/\n/g,"%0A")}function p(a){var b=r(a,"border-left-width"),c=r(a,"border-right-width");return a.scrollWidth+b+c}function q(a){var b=r(a,"border-top-width"),c=r(a,"border-bottom-width");return a.scrollHeight+b+c}function r(a,b){var c=window.getComputedStyle(a).getPropertyValue(b);return parseFloat(c.replace("px",""))}return{escape:l,parseExtension:b,mimeType:c,dataAsUrl:k,isDataUrl:d,canvasToBlob:f,resolveUrl:g,getAndEncode:j,uid:h(),delay:m,asArray:n,escapeXhtml:o,makeImage:i,width:p,height:q}}function n(){function a(a){return a.search(e)!==-1}function b(a){for(var b,c=[];null!==(b=e.exec(a));)c.push(b[1]);return c.filter(function(a){return!q.isDataUrl(a)})}function c(a,b,c,d){function e(a){return new RegExp("(url\\(['\"]?)("+q.escape(a)+")(['\"]?\\))","g")}return Promise.resolve(b).then(function(a){return c?q.resolveUrl(a,c):a}).then(d||q.getAndEncode).then(function(a){return q.dataAsUrl(a,q.mimeType(b))}).then(function(c){return a.replace(e(b),"$1"+c+"$3")})}function d(d,e,f){function g(){return!a(d)}return g()?Promise.resolve(d):Promise.resolve(d).then(b).then(function(a){var b=Promise.resolve(d);return a.forEach(function(a){b=b.then(function(b){return c(b,a,e,f)})}),b})}var e=/url\(['"]?([^'"]+?)['"]?\)/g;return{inlineAll:d,shouldProcess:a,impl:{readUrls:b,inline:c}}}function o(){function a(){return b(document).then(function(a){return Promise.all(a.map(function(a){return a.resolve()}))}).then(function(a){return a.join("\n")})}function b(){function a(a){return a.filter(function(a){return a.type===CSSRule.FONT_FACE_RULE}).filter(function(a){return r.shouldProcess(a.style.getPropertyValue("src"))})}function b(a){var b=[];return a.forEach(function(a){try{q.asArray(a.cssRules||[]).forEach(b.push.bind(b))}catch(c){console.log("Error while reading CSS rules from "+a.href,c.toString())}}),b}function c(a){return{resolve:function(){var b=(a.parentStyleSheet||{}).href;return r.inlineAll(a.cssText,b)},src:function(){return a.style.getPropertyValue("src")}}}return Promise.resolve(q.asArray(document.styleSheets)).then(b).then(a).then(function(a){return a.map(c)})}return{resolveAll:a,impl:{readAll:b}}}function p(){function a(a){function b(b){return q.isDataUrl(a.src)?Promise.resolve():Promise.resolve(a.src).then(b||q.getAndEncode).then(function(b){return q.dataAsUrl(b,q.mimeType(a.src))}).then(function(b){return new Promise(function(c,d){a.onload=c,a.onerror=d,a.src=b})})}return{inline:b}}function b(c){function d(a){var b=a.style.getPropertyValue("background");return b?r.inlineAll(b).then(function(b){a.style.setProperty("background",b,a.style.getPropertyPriority("background"))}).then(function(){return a}):Promise.resolve(a)}return c instanceof Element?d(c).then(function(){return c instanceof HTMLImageElement?a(c).inline():Promise.all(q.asArray(c.childNodes).map(function(a){return b(a)}))}):Promise.resolve(c)}return{inlineAll:b,impl:{newImage:a}}}var q=m(),r=n(),s=o(),t=p(),u={imagePlaceholder:void 0,cacheBust:!1},v={toSvg:b,toPng:d,toJpeg:e,toBlob:f,toPixelData:c,impl:{fontFaces:s,images:t,util:q,inliner:r,options:{}}};"undefined"!=typeof module?module.exports=v:a.domtoimage=v}(this);
\ No newline at end of file
+/*! dom-to-image 09-06-2021 */
+!function(a){"use strict";function b(a,b){function c(a){return b.bgcolor&&(a.style.backgroundColor=b.bgcolor),b.width&&(a.style.width=b.width+"px"),b.height&&(a.style.height=b.height+"px"),b.style&&Object.keys(b.style).forEach(function(c){a.style[c]=b.style[c]}),a}return b=b||{},g(b),Promise.resolve(a).then(function(a){return i(a,b.filter,!0)}).then(j).then(k).then(c).then(function(c){return l(c,b.width||t.width(a),b.height||t.height(a))})}function c(a,b){return h(a,b||{}).then(function(b){return b.getContext("2d").getImageData(0,0,t.width(a),t.height(a)).data})}function d(a,b){return h(a,b||{}).then(function(a){return a.toDataURL()})}function e(a,b){return b=b||{},h(a,b).then(function(a){return a.toDataURL("image/jpeg",b.quality||1)})}function f(a,b){return h(a,b||{}).then(t.canvasToBlob)}function g(a){"undefined"==typeof a.imagePlaceholder?y.impl.options.imagePlaceholder=x.imagePlaceholder:y.impl.options.imagePlaceholder=a.imagePlaceholder,"undefined"==typeof a.cacheBust?y.impl.options.cacheBust=x.cacheBust:y.impl.options.cacheBust=a.cacheBust,"undefined"==typeof a.logLevel?y.impl.options.logLevel=y.impl.options.logLevel||x.logLevel:y.impl.options.logLevel=a.logLevel}function h(a,c){function d(a){var b=document.createElement("canvas");if(b.width=c.width||t.width(a),b.height=c.height||t.height(a),c.bgcolor){var d=b.getContext("2d");d.fillStyle=c.bgcolor,d.fillRect(0,0,b.width,b.height)}return b}return b(a,c).then(t.makeImage).then(t.delay(100)).then(function(b){var c=d(a);return c.getContext("2d").drawImage(b,0,0),c})}function i(a,b,c){function d(a){return a instanceof HTMLCanvasElement?t.makeImage(a.toDataURL()):a.cloneNode(!1)}function e(a,b,c){function d(a,b,c){var d=Promise.resolve();return b.forEach(function(b){d=d.then(function(){return i(b,c)}).then(function(b){b&&a.appendChild(b)})}),d}var e=a.childNodes;return 0===e.length?Promise.resolve(b):d(b,t.asArray(e),c).then(function(){return b})}function f(a,b){function c(){function c(a,b){function c(a,b){t.asArray(a).forEach(function(c){b.setProperty(c,a.getPropertyValue(c),a.getPropertyPriority(c))})}a.cssText?b.cssText=a.cssText:c(a,b)}c(window.getComputedStyle(a),b.style)}function d(){function c(c){function d(a,b,c){function d(a){var b=a.getPropertyValue("content");return a.cssText+" content: "+b+";"}function e(a){function b(b){return b+": "+a.getPropertyValue(b)+(a.getPropertyPriority(b)?" !important":"")}return t.asArray(a).map(b).join("; ")+";"}var f="."+a+":"+b,g=c.cssText?d(c):e(c);return document.createTextNode(f+"{"+g+"}")}var e=window.getComputedStyle(a,c),f=e.getPropertyValue("content");if(""!==f&&"none"!==f){var g=t.uid();b.className=b.className+" "+g;var h=document.createElement("style");h.appendChild(d(g,c,e)),b.appendChild(h)}}[":before",":after"].forEach(function(a){c(a)})}function e(){a instanceof HTMLTextAreaElement&&(b.innerHTML=a.value),a instanceof HTMLInputElement&&b.setAttribute("value",a.value)}function f(){b instanceof SVGElement&&(b.setAttribute("xmlns","http://www.w3.org/2000/svg"),b instanceof SVGRectElement&&["width","height"].forEach(function(a){var c=b.getAttribute(a);c&&b.style.setProperty(a,c)}))}return b instanceof Element?Promise.resolve().then(c).then(d).then(e).then(f).then(function(){return b}):b}return c||!b||b(a)?Promise.resolve(a).then(d).then(function(c){return e(a,c,b)}).then(function(b){return f(a,b)}):Promise.resolve()}function j(a){return v.resolveAll().then(function(b){var c=document.createElement("style");return a.appendChild(c),c.appendChild(document.createTextNode(b)),a})}function k(a){return w.inlineAll(a).then(function(){return a})}function l(a,b,c){return Promise.resolve(a).then(function(a){return a.setAttribute("xmlns","http://www.w3.org/1999/xhtml"),(new XMLSerializer).serializeToString(a)}).then(t.escapeXhtml).then(function(a){return'<foreignObject x="0" y="0" width="100%" height="100%">'+a+"</foreignObject>"}).then(function(a){return'<svg xmlns="http://www.w3.org/2000/svg" width="'+b+'" height="'+c+'">'+a+"</svg>"}).then(function(a){return"data:image/svg+xml;charset=utf-8,"+a})}function m(){function a(){var a="application/font-woff",b="image/jpeg";return{woff:a,woff2:a,ttf:"application/font-truetype",eot:"application/vnd.ms-fontobject",png:"image/png",jpg:b,jpeg:b,gif:"image/gif",tiff:"image/tiff",svg:"image/svg+xml"}}function b(a){var b=/\.([^\.\/]*?)$/g.exec(a);return b?b[1]:""}function c(c){var d=b(c).toLowerCase();return a()[d]||""}function d(a){return a.search(/^(data:)/)!==-1}function e(a){return new Promise(function(b){for(var c=window.atob(a.toDataURL().split(",")[1]),d=c.length,e=new Uint8Array(d),f=0;f<d;f++)e[f]=c.charCodeAt(f);b(new Blob([e],{type:"image/png"}))})}function f(a){return a.toBlob?new Promise(function(b){a.toBlob(b)}):e(a)}function g(a,b){var c=document.implementation.createHTMLDocument(),d=c.createElement("base");c.head.appendChild(d);var e=c.createElement("a");return c.body.appendChild(e),d.href=b,e.href=a,e.href}function h(){var a=0;return function(){function b(){return("0000"+(Math.random()*Math.pow(36,4)<<0).toString(36)).slice(-4)}return"u"+b()+a++}}function i(a){return new Promise(function(b,c){var d=new Image;d.onload=function(){b(d)},d.onerror=c,d.src=a})}function j(a){var b=3e4;return y.impl.options.cacheBust&&(a+=(/\?/.test(a)?"&":"?")+(new Date).getTime()),new Promise(function(c){function d(){if(4===g.readyState){if(200!==g.status)return void(h?c(h):f("cannot fetch resource: "+a+", status: "+g.status));var b=new FileReader;b.onloadend=function(){var a=b.result.split(/,/)[1];c(a)},b.readAsDataURL(g.response)}}function e(){h?c(h):f("timeout of "+b+"ms occured while fetching resource: "+a)}function f(a){q(a),c("")}var g=new XMLHttpRequest;g.onreadystatechange=d,g.ontimeout=e,g.responseType="blob",g.timeout=b,g.open("GET",a,!0),g.send();var h;if(y.impl.options.imagePlaceholder){var i=y.impl.options.imagePlaceholder.split(/,/);i&&i[1]&&(h=i[1])}})}function k(a,b){return"data:"+b+";base64,"+a}function l(a){return a.replace(/([.*+?^${}()|\[\]\/\\])/g,"\\$1")}function m(a){return function(b){return new Promise(function(c){setTimeout(function(){c(b)},a)})}}function n(a){for(var b=[],c=a.length,d=0;d<c;d++)b.push(a[d]);return b}function o(a){return a.replace(/#/g,"%23").replace(/\n/g,"%0A")}function p(a){var b=s(a,"border-left-width"),c=s(a,"border-right-width");return a.scrollWidth+b+c}function r(a){var b=s(a,"border-top-width"),c=s(a,"border-bottom-width");return a.scrollHeight+b+c}function s(a,b){var c=window.getComputedStyle(a).getPropertyValue(b);return parseFloat(c.replace("px",""))}return{escape:l,parseExtension:b,mimeType:c,dataAsUrl:k,isDataUrl:d,canvasToBlob:f,resolveUrl:g,getAndEncode:j,uid:h(),delay:m,asArray:n,escapeXhtml:o,makeImage:i,width:p,height:r}}function n(){function a(a){return a.search(e)!==-1}function b(a){for(var b,c=[];null!==(b=e.exec(a));)c.push(b[1]);return c.filter(function(a){return!t.isDataUrl(a)})}function c(a,b,c,d){function e(a){return new RegExp("(url\\(['\"]?)("+t.escape(a)+")(['\"]?\\))","g")}return Promise.resolve(b).then(function(a){return c?t.resolveUrl(a,c):a}).then(d||t.getAndEncode).then(function(a){return t.dataAsUrl(a,t.mimeType(b))}).then(function(c){return a.replace(e(b),"$1"+c+"$3")})}function d(d,e,f){function g(){return!a(d)}return g()?Promise.resolve(d):Promise.resolve(d).then(b).then(function(a){var b=Promise.resolve(d);return a.forEach(function(a){b=b.then(function(b){return c(b,a,e,f)})}),b})}var e=/url\(['"]?([^'"]+?)['"]?\)/g;return{inlineAll:d,shouldProcess:a,impl:{readUrls:b,inline:c}}}function o(){function a(){return b(document).then(function(a){return Promise.all(a.map(function(a){return a.resolve()}))}).then(function(a){return a.join("\n")})}function b(){function a(a){return a.filter(function(a){return a.type===CSSRule.FONT_FACE_RULE}).filter(function(a){return u.shouldProcess(a.style.getPropertyValue("src"))})}function b(a){var b=[];return a.forEach(function(a){try{t.asArray(a.cssRules||[]).forEach(b.push.bind(b))}catch(c){r("Error while reading CSS rules from "+a.href,c.toString())}}),b}function c(a){return{resolve:function(){var b=(a.parentStyleSheet||{}).href;return u.inlineAll(a.cssText,b)},src:function(){return a.style.getPropertyValue("src")}}}return Promise.resolve(t.asArray(document.styleSheets)).then(b).then(a).then(function(a){return a.map(c)})}return{resolveAll:a,impl:{readAll:b}}}function p(){function a(a){function b(b){return t.isDataUrl(a.src)?Promise.resolve():Promise.resolve(a.src).then(b||t.getAndEncode).then(function(b){return t.dataAsUrl(b,t.mimeType(a.src))}).then(function(b){return new Promise(function(c,d){a.onload=c,a.onerror=d,a.src=b})})}return{inline:b}}function b(c){function d(a){var b=a.style.getPropertyValue("background");return b?u.inlineAll(b).then(function(b){a.style.setProperty("background",b,a.style.getPropertyPriority("background"))}).then(function(){return a}):Promise.resolve(a)}return c instanceof Element?d(c).then(function(){return c instanceof HTMLImageElement?a(c).inline():Promise.all(t.asArray(c.childNodes).map(function(a){return b(a)}))}):Promise.resolve(c)}return{inlineAll:b,impl:{newImage:a}}}function q(a){y.impl.options.logLevel>=s.ERROR&&console.error(a)}function r(a){y.impl.options.logLevel>=s.WARNING&&console.warn(a)}var s={ERROR:1,WARNING:2},t=m(),u=n(),v=o(),w=p(),x={imagePlaceholder:void 0,cacheBust:!1,logLevel:s.WARNING},y={toSvg:b,toPng:d,toJpeg:e,toBlob:f,toPixelData:c,logLevels:s,impl:{fontFaces:v,images:w,util:t,inliner:u,options:{}}};"undefined"!=typeof module?module.exports=y:a.domtoimage=y}(this);
\ No newline at end of file
diff --git a/src/dom-to-image.js b/src/dom-to-image.js
index 27201ac9..6e438c6b 100644
--- a/src/dom-to-image.js
+++ b/src/dom-to-image.js
@@ -1,6 +1,10 @@
 (function (global) {
     'use strict';
 
+    var logLevels = {
+        ERROR: 1,
+        WARNING: 2,
+    };
     var util = newUtil();
     var inliner = newInliner();
     var fontFaces = newFontFaces();
@@ -11,7 +15,8 @@
         // Default is to fail on error, no placeholder
         imagePlaceholder: undefined,
         // Default cache bust is false, it will use the cache
-        cacheBust: false
+        cacheBust: false,
+        logLevel: logLevels.WARNING,
     };
 
     var domtoimage = {
@@ -20,6 +25,7 @@
         toJpeg: toJpeg,
         toBlob: toBlob,
         toPixelData: toPixelData,
+        logLevels: logLevels,
         impl: {
             fontFaces: fontFaces,
             images: images,
@@ -147,6 +153,11 @@
         } else {
             domtoimage.impl.options.cacheBust = options.cacheBust;
         }
+        if(typeof(options.logLevel) === 'undefined') {
+            domtoimage.impl.options.logLevel = domtoimage.impl.options.logLevel || defaultOptions.logLevel;
+        } else {
+            domtoimage.impl.options.logLevel = options.logLevel;
+        }
     }
 
     function draw(domNode, options) {
@@ -516,7 +527,7 @@
                 }
 
                 function fail(message) {
-                    console.error(message);
+                    error(message);
                     resolve('');
                 }
             });
@@ -681,7 +692,7 @@
                     try {
                         util.asArray(sheet.cssRules || []).forEach(cssRules.push.bind(cssRules));
                     } catch (e) {
-                        console.log('Error while reading CSS rules from ' + sheet.href, e.toString());
+                        warn('Error while reading CSS rules from ' + sheet.href, e.toString());
                     }
                 });
                 return cssRules;
@@ -766,4 +777,16 @@
             }
         }
     }
+
+    function error(message) {
+        if (domtoimage.impl.options.logLevel >= logLevels.ERROR) {
+            console.error(message);
+        }
+    }
+
+    function warn(message) {
+        if (domtoimage.impl.options.logLevel >= logLevels.WARNING) {
+            console.warn(message);
+        }
+    }
 })(this);