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moved base64 code into static class named Utils 

git-svn-id: http://svg-edit.googlecode.com/svn/trunk@65 eee81c28-f429-11dd-99c0-75d572ba1ddd
master
Pavol Rusnak 2009-06-08 08:09:15 +00:00
parent d170302f39
commit 6c65abb188
3 changed files with 73 additions and 69 deletions
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66
editor/base64/Base64.js
View File

@ -1,66 +0,0 @@
// This code was written by Tyler Akins and has been placed in the
// public domain. It would be nice if you left this header intact.
// Base64 code from Tyler Akins -- http://rumkin.com
var keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
function encode64(input) {
var output = "";
var chr1, chr2, chr3;
var enc1, enc2, enc3, enc4;
var i = 0;
do {
chr1 = input.charCodeAt(i++);
chr2 = input.charCodeAt(i++);
chr3 = input.charCodeAt(i++);
enc1 = chr1 >> 2;
enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
enc4 = chr3 & 63;
if (isNaN(chr2)) {
enc3 = enc4 = 64;
} else if (isNaN(chr3)) {
enc4 = 64;
}
output = output + keyStr.charAt(enc1) + keyStr.charAt(enc2) +
keyStr.charAt(enc3) + keyStr.charAt(enc4);
} while (i < input.length);
return output;
}
function decode64(input) {
var output = "";
var chr1, chr2, chr3;
var enc1, enc2, enc3, enc4;
var i = 0;
// remove all characters that are not A-Z, a-z, 0-9, +, /, or =
input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
do {
enc1 = keyStr.indexOf(input.charAt(i++));
enc2 = keyStr.indexOf(input.charAt(i++));
enc3 = keyStr.indexOf(input.charAt(i++));
enc4 = keyStr.indexOf(input.charAt(i++));
chr1 = (enc1 << 2) | (enc2 >> 4);
chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
chr3 = ((enc3 & 3) << 6) | enc4;
output = output + String.fromCharCode(chr1);
if (enc3 != 64) {
output = output + String.fromCharCode(chr2);
}
if (enc4 != 64) {
output = output + String.fromCharCode(chr3);
}
} while (i < input.length);
return output;
}

1
editor/svg-editor.html
View File

@ -8,7 +8,6 @@
<script type="text/javascript" src="jpicker/jpicker.js"></script>
<script type="text/javascript" src="svg-editor.js"></script>
<script type="text/javascript" src="svgcanvas.js"></script>
<script type="text/javascript" src="base64/Base64.js"></script>
<title>SVG-edit demo</title>
</head>
<body>

75
editor/svgcanvas.js
View File

@ -12,7 +12,7 @@ function SvgCanvas(c)
svgroot.setAttribute("width", 640);
svgroot.setAttribute("height", 480);
svgroot.setAttributeNS(null, "id", "svgroot");
svgroot.setAttribute("xmlns", "http://www.w3.org/2000/svg");
svgroot.setAttribute("xmlns", svgns);
container.appendChild(svgroot);
var d_attr = null;
@ -616,7 +616,7 @@ function SvgCanvas(c)
this.saveHandler = function(svg) {
//alert(svg);
window.open("data:image/svg+xml;base64," + encode64(svg));
window.open("data:image/svg+xml;base64," + Utils.encode64(svg));
}
this.selectNone = function() {
@ -624,3 +624,74 @@ function SvgCanvas(c)
}
}
// Static class for various utility functions
var Utils = {};
// This code was written by Tyler Akins and has been placed in the
// public domain. It would be nice if you left this header intact.
// Base64 code from Tyler Akins -- http://rumkin.com
Utils.keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
Utils.encode64 = function(input) {
var output = "";
var chr1, chr2, chr3;
var enc1, enc2, enc3, enc4;
var i = 0;
do {
chr1 = input.charCodeAt(i++);
chr2 = input.charCodeAt(i++);
chr3 = input.charCodeAt(i++);
enc1 = chr1 >> 2;
enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
enc4 = chr3 & 63;
if (isNaN(chr2)) {
enc3 = enc4 = 64;
} else if (isNaN(chr3)) {
enc4 = 64;
}
output = output + Utils.keyStr.charAt(enc1) + Utils.keyStr.charAt(enc2) +
Utils.keyStr.charAt(enc3) + Utils.keyStr.charAt(enc4);
} while (i < input.length);
return output;
}
Utils.decode64 = function(input) {
var output = "";
var chr1, chr2, chr3;
var enc1, enc2, enc3, enc4;
var i = 0;
// remove all characters that are not A-Z, a-z, 0-9, +, /, or =
input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
do {
enc1 = Utils.keyStr.indexOf(input.charAt(i++));
enc2 = Utils.keyStr.indexOf(input.charAt(i++));
enc3 = Utils.keyStr.indexOf(input.charAt(i++));
enc4 = Utils.keyStr.indexOf(input.charAt(i++));
chr1 = (enc1 << 2) | (enc2 >> 4);
chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
chr3 = ((enc3 & 3) << 6) | enc4;
output = output + String.fromCharCode(chr1);
if (enc3 != 64) {
output = output + String.fromCharCode(chr2);
}
if (enc4 != 64) {
output = output + String.fromCharCode(chr3);
}
} while (i < input.length);
return output;
}