github/cordova-plugin-camera
github/cordova-plugin-camera
3
0
Fork 0
mirror of https://github.com/apache/cordova-plugin-camera.git synced 2025-01-31 12:42:50 +08:00
Code Issues Packages Projects Releases Wiki Activity

CB-6613 Use WinJS functionality to get base64-encoded content of image instead of File plugin functionality

Browse Source
This commit is contained in:
Vladimir Kotikov 2014-05-02 12:46:15 +04:00
parent 0c9de56da5
commit 87a5030771
1 changed files with 19 additions and 40 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

59
src/windows8/CameraProxy.js
View File

@ -133,55 +133,34 @@ module.exports = {
// because of asynchronous method, so let the successCallback be called in it.
var resizeImageBase64 = function (file) {
var imgObj = new Image();
var success = function (fileEntry) {
var successCB = function (filePhoto) {
var fileType = file.contentType,
reader = new FileReader();
reader.onloadend = function () {
var image = new Image();
image.src = reader.result;
image.onload = function () {
var imageWidth = targetWidth,
imageHeight = targetHeight;
var canvas = document.createElement('canvas');
Windows.Storage.FileIO.readBufferAsync(file).done( function(buffer) {
var strBase64 = Windows.Security.Cryptography.CryptographicBuffer.encodeToBase64String(buffer);
var imageData = "data:" + file.contentType + ";base64," + strBase64;
canvas.width = imageWidth;
canvas.height = imageHeight;
var image = new Image();
image.src = imageData;
var ctx = canvas.getContext("2d");
ctx.drawImage(this, 0, 0, imageWidth, imageHeight);
image.onload = function() {
var imageWidth = targetWidth,
imageHeight = targetHeight;
var canvas = document.createElement('canvas');
// The resized file ready for upload
var finalFile = canvas.toDataURL(fileType);
canvas.width = imageWidth;
canvas.height = imageHeight;
// Remove the prefix such as "data:" + contentType + ";base64," , in order to meet the Cordova API.
var arr = finalFile.split(",");
var newStr = finalFile.substr(arr[0].length + 1);
successCallback(newStr);
};
};
var ctx = canvas.getContext("2d");
ctx.drawImage(this, 0, 0, imageWidth, imageHeight);
reader.readAsDataURL(filePhoto);
// The resized file ready for upload
var finalFile = canvas.toDataURL(file.contentType);
// Remove the prefix such as "data:" + contentType + ";base64," , in order to meet the Cordova API.
var arr = finalFile.split(",");
var newStr = finalFile.substr(arr[0].length + 1);
successCallback(newStr);
};
var failCB = function () {
errorCallback("File not found.");
};
fileEntry.file(successCB, failCB);
};
var storageFolder = Windows.Storage.ApplicationData.current.localFolder;
file.copyAsync(storageFolder, file.name, Windows.Storage.NameCollisionOption.replaceExisting).then(function (storageFile) {
success(new FileEntry(storageFile.name, "ms-appdata:///local/" + storageFile.name));
}, function () {
fail(FileError.INVALID_MODIFICATION_ERR);
}, function () {
errorCallback("Folder not access.");
});
};
if (sourceType != Camera.PictureSourceType.CAMERA) {