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Add saveDataStringAsImageDataToLibrary api, input datastring as parameter. #28

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Add saveDataStringAsImageDataToLibrary api, input datastring as parameter. #28

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32df3c0
Add saveDataStringAsImageDataToLibrary api
SansWord Dec 26, 2013
75e98aa
Add validation to call back functions
YvonneYu Dec 26, 2013
7b26fb7
Merge pull request #1 from YvonneYu/master
SansWord Dec 26, 2013
a6b4e32
fixed bugs for Android
YvonneYu Feb 7, 2014
1978095
Merge pull request #2 from YvonneYu/master
SansWord Feb 7, 2014
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43 changes: 35 additions & 8 deletions www/Canvas2ImagePlugin.js
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Original file line number Diff line number Diff line change
@@ -1,3 +1,5 @@
cordova.define("org.devgeeks.Canvas2ImagePlugin.Canvas2ImagePlugin", function(require, exports, module) {

//
// Canvas2ImagePlugin.js
// Canvas2ImagePlugin PhoneGap/Cordova plugin
Expand All @@ -7,21 +9,46 @@
// MIT Licensed
//

module.exports = {

saveImageDataToLibrary:function(successCallback, failureCallback, canvasId) {
// successCallback required
module.exports = (function() {

function validateCallBacks(successCallback, failureCallback){
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Have to do validation in two apis, so we extract it to this function.


var isValid = true;

if (typeof successCallback != "function") {
console.log("Canvas2ImagePlugin Error: successCallback is not a function");
isValid = false;
}
else if (typeof failureCallback != "function") {
console.log("Canvas2ImagePlugin Error: failureCallback is not a function");
isValid = false;
}
else {
return isValid;
}

function saveImageDataToLibrary(successCallback, failureCallback, canvasId) {
// successCallback required
if (validateCallBacks(successCallback, failureCallback)) {
var canvas = (typeof canvasId === "string") ? document.getElementById(canvasId) : canvasId;
var imageData = canvas.toDataURL().replace(/data:image\/png;base64,/,'');
return cordova.exec(successCallback, failureCallback, "Canvas2ImagePlugin","saveImageDataToLibrary",[imageData]);
return saveDataStringAsImageDataToLibrary(successCallback, failureCallback, imageData);
}
}
};


function saveDataStringAsImageDataToLibrary(successCallback, failureCallback, imageData) {
if (validateCallBacks(successCallback, failureCallback)) {
return cordova.exec(successCallback, failureCallback,
"Canvas2ImagePlugin","saveImageDataToLibrary",[imageData]);
}
}

return {
saveImageDataToLibrary: saveImageDataToLibrary,
saveDataStringAsImageDataToLibrary: saveDataStringAsImageDataToLibrary
}

})()

});