Modified CameraProxy.js
Project: http://git-wip-us.apache.org/repos/asf/incubator-cordova-js/repo Commit: http://git-wip-us.apache.org/repos/asf/incubator-cordova-js/commit/23ab2330 Tree: http://git-wip-us.apache.org/repos/asf/incubator-cordova-js/tree/23ab2330 Diff: http://git-wip-us.apache.org/repos/asf/incubator-cordova-js/diff/23ab2330 Branch: refs/heads/master Commit: 23ab233099f18f7ac713e43a5fe9e780239cefe4 Parents: fa85436 Author: mingfeng <mingfengwan...@gmail.com> Authored: Wed Aug 15 16:31:38 2012 +0800 Committer: mingfeng <mingfengwan...@gmail.com> Committed: Wed Aug 15 16:31:38 2012 +0800 ---------------------------------------------------------------------- lib/win8metro/plugin/win8metro/CameraProxy.js | 390 +++++++++++++++++++- 1 files changed, 387 insertions(+), 3 deletions(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/incubator-cordova-js/blob/23ab2330/lib/win8metro/plugin/win8metro/CameraProxy.js ---------------------------------------------------------------------- diff --git a/lib/win8metro/plugin/win8metro/CameraProxy.js b/lib/win8metro/plugin/win8metro/CameraProxy.js index db6613a..45bd42b 100644 --- a/lib/win8metro/plugin/win8metro/CameraProxy.js +++ b/lib/win8metro/plugin/win8metro/CameraProxy.js @@ -7,6 +7,7 @@ var cordova = require('cordova'), module.exports = { + // args will contain : // ... it is an array, so be careful // 0 quality:50, @@ -21,8 +22,391 @@ module.exports = { // 9 saveToPhotoAlbum:false, // 10 popoverOptions:null -"takePicture":function(win,lose,args) { + +/** + * Gets a picture from source defined by "options.sourceType", and returns the + * image as defined by the "options.destinationType" option. + + * The defaults are sourceType=CAMERA and destinationType=DATA_URL. + * + * @param {Function} successCallback + * @param {Function} errorCallback + * @param {Object} options + */ + +"getPicture":function(successCallback, errorCallback, options) { + + + // successCallback required + if (typeof successCallback !== "function") { + console.log("Camera Error: successCallback is not a function"); + return; + } + + // errorCallback optional + if (errorCallback && (typeof errorCallback !== "function")) { + console.log("Camera Error: errorCallback is not a function"); + return; + } + + var quality = 50; + if (options && typeof options.quality == "number") { + quality = options.quality; + } else if (options && typeof options.quality == "string") { + var qlity = parseInt(options.quality, 10); + if (isNaN(qlity) === false) { + quality = qlity.valueOf(); + } + } + + var destinationType = Camera.DestinationType.FILE_URI; + if (typeof options.destinationType == "number") { + destinationType = options.destinationType; + } + + var sourceType = Camera.PictureSourceType.CAMERA; + if (typeof options.sourceType == "number") { + sourceType = options.sourceType; + } + + var targetWidth = -1; + if (typeof options.targetWidth == "number") { + targetWidth = options.targetWidth; + } else if (typeof options.targetWidth == "string") { + var width = parseInt(options.targetWidth, 10); + if (isNaN(width) === false) { + targetWidth = width.valueOf(); + } + } + + var targetHeight = -1; + if (typeof options.targetHeight == "number") { + targetHeight = options.targetHeight; + } else if (typeof options.targetHeight == "string") { + var height = parseInt(options.targetHeight, 10); + if (isNaN(height) === false) { + targetHeight = height.valueOf(); + } + } + + if ((targetWidth > 0 && targetHeight < 0) || (targetWidth < 0 && targetHeight > 0)) { + errorCallback("targetWidth should be used with targetHeight."); + } + + var encodingType = Camera.EncodingType.JPEG; + if (typeof options.encodingType == "number") { + encodingType = options.encodingType; + } + + var mediaType = Camera.MediaType.PICTURE; + if (typeof options.mediaType == "number") { + mediaType = options.mediaType; + } + var allowEdit = false; + if (typeof options.allowEdit == "boolean") { + allowEdit = options.allowEdit; + } else if (typeof options.allowEdit == "number") { + allowEdit = options.allowEdit <= 0 ? false : true; + } + var correctOrientation = false; + if (typeof options.correctOrientation == "boolean") { + correctOrientation = options.correctOrientation; + } else if (typeof options.correctOrientation == "number") { + correctOrientation = options.correctOrientation <= 0 ? false : true; + } + var saveToPhotoAlbum = false; + if (typeof options.saveToPhotoAlbum == "boolean") { + saveToPhotoAlbum = options.saveToPhotoAlbum; + } else if (typeof options.saveToPhotoAlbum == "number") { + saveToPhotoAlbum = options.saveToPhotoAlbum <= 0 ? false : true; + } + + + // get the path of photo album. + /*var parentPath + var username = Windows.System.UserProfile.UserInformation.getDisplayNameAsync().then(function (displayName) { + parentPath = "C:\\Users\\" + username + "\\Pictures"; + });*/ + var package = Windows.ApplicationModel.Package.current; + var packageId = package.installedLocation; + + // resize method :) + var resizeImage = function (file) { + var tempPhotoFileName = ""; + if (encodingType == Camera.EncodingType.PNG) { + tempPhotoFileName = "camera_cordova_temp_return.png"; + } else { + tempPhotoFileName = "camera_cordova_temp_return.jpg"; + } + var imgObj = new Image(); + var success = function (fileEntry) { + var successCB = function (filePhoto) { + var filePhoto = filePhoto, + 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'); + + canvas.width = imageWidth; + canvas.height = imageHeight; + + var ctx = canvas.getContext("2d"); + ctx.drawImage(this, 0, 0, imageWidth, imageHeight); + + // The resized file ready for upload + var _blob = canvas.msToBlob(); + var _stream = _blob.msRandomAccessStream(); + Windows.Storage.StorageFolder.getFolderFromPathAsync(packageId.path).done(function (storageFolder) { + storageFolder.createFileAsync(tempPhotoFileName, Windows.Storage.CreationCollisionOption.generateUniqueName).done(function (file) { + file.openAsync(Windows.Storage.FileAccessMode.readWrite).done( function (fileStream) { + Windows.Storage.Streams.RandomAccessStream.copyAndCloseAsync(_stream, fileStream).done(function () { + successCallback(file.name); + }, function () { errorCallback("Resize picture error."); }) + }, function () { errorCallback("Resize picture error."); }) + }, function () { errorCallback("Resize picture error."); }) + }) + + } + } + + reader.readAsDataURL(filePhoto); + + } + var failCB = function () { + errorCallback("File not found.") + } + fileEntry.file(successCB, failCB); + } + + var fail = function (fileError) { + errorCallback("FileError, code:" + fileError.code); + } + Windows.Storage.StorageFolder.getFolderFromPathAsync(packageId.path).done(function (storageFolder) { + file.copyAsync(storageFolder, file.name, Windows.Storage.NameCollisionOption.replaceExisting).then(function (storageFile) { + success(new FileEntry(storageFile.name, storageFile.path)); + }, function () { + fail(FileError.INVALID_MODIFICATION_ERR); + }, function () { + errorCallback("Folder not access."); + }); + }) + + } + + // 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 filePhoto = filePhoto, + 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'); + + canvas.width = imageWidth; + canvas.height = imageHeight; + + var ctx = canvas.getContext("2d"); + ctx.drawImage(this, 0, 0, imageWidth, imageHeight); + + // The resized file ready for upload + var finalFile = canvas.toDataURL(fileType); + + // 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); + } + } + + reader.readAsDataURL(filePhoto); + + } + var failCB = function () { + errorCallback("File not found.") + } + fileEntry.file(successCB, failCB); + } + + var fail = function (fileError) { + errorCallback("FileError, code:" + fileError.code); + } + Windows.Storage.StorageFolder.getFolderFromPathAsync(packageId.path).done(function (storageFolder) { + file.copyAsync(storageFolder, file.name, Windows.Storage.NameCollisionOption.replaceExisting).then(function (storageFile) { + success(new FileEntry(storageFile.name, storageFile.path)); + }, function () { + fail(FileError.INVALID_MODIFICATION_ERR); + }, function () { + errorCallback("Folder not access."); + }); + }) + + } + + if (sourceType != Camera.PictureSourceType.CAMERA) { + var fileOpenPicker = new Windows.Storage.Pickers.FileOpenPicker(); + fileOpenPicker.suggestedStartLocation = Windows.Storage.Pickers.PickerLocationId.picturesLibrary; + if (mediaType == Camera.MediaType.PICTURE) { + fileOpenPicker.fileTypeFilter.replaceAll([".png", ".jpg", ".jpeg"]); + } else if (mediaType == Camera.MediaType.VIDEO) { + fileOpenPicker.fileTypeFilter.replaceAll([".avi", ".flv", ".asx", ".asf", ".mov", ".mp4", ".mpg", ".rm", ".srt", ".swf", ".wmv", ".vob"]); + } else { + fileOpenPicker.fileTypeFilter.replaceAll(["*"]); + } + fileOpenPicker.pickSingleFileAsync().then(function (file) { + if (file) { + if (destinationType == Camera.DestinationType.FILE_URI) { + if (targetHeight > 0 && targetWidth > 0) { + resizeImage(file); + } else { + Windows.Storage.StorageFolder.getFolderFromPathAsync(packageId.path).done(function (storageFolder) { + file.copyAsync(storageFolder, file.name, Windows.Storage.NameCollisionOption.replaceExisting).then(function (storageFile) { + successCallback(storageFile.name); + }, function () { + fail(FileError.INVALID_MODIFICATION_ERR); + }, function () { + errorCallback("Folder not access."); + }); + }) + + } + } + else { + if (targetHeight > 0 && targetWidth > 0) { + resizeImageBase64(file); + } else { + Windows.Storage.FileIO.readBufferAsync(file).done(function (buffer) { + var strBase64 = Windows.Security.Cryptography.CryptographicBuffer.encodeToBase64String(buffer); + successCallback(strBase64); + }) + } + + } + + } else { + errorCallback("User didn't choose a file."); + } + }, function () { + errorCallback("User didn't choose a file.") + }) + } + else { + + var cameraCaptureUI = new Windows.Media.Capture.CameraCaptureUI(); + cameraCaptureUI.photoSettings.allowCropping = true; + if (encodingType == Camera.EncodingType.PNG) { + cameraCaptureUI.photoSettings.format = Windows.Media.Capture.CameraCaptureUIPhotoFormat.png; + } else { + cameraCaptureUI.photoSettings.format = Windows.Media.Capture.CameraCaptureUIPhotoFormat.jpeg; + } + // decide which max pixels should be supported by targetWidth or targetHeight. + if (targetWidth >= 1280 || targetHeight >= 960) { + cameraCaptureUI.photoSettings.maxResolution = Windows.Media.Capture.CameraCaptureUIMaxPhotoResolution.large3M; + } else if (targetWidth >= 1024 || targetHeight >= 768) { + cameraCaptureUI.photoSettings.maxResolution = Windows.Media.Capture.CameraCaptureUIMaxPhotoResolution.mediumXga; + } else if (targetWidth >= 800 || targetHeight >= 600) { + cameraCaptureUI.photoSettings.maxResolution = Windows.Media.Capture.CameraCaptureUIMaxPhotoResolution.mediumXga; + } else if (targetWidth >= 640 || targetHeight >= 480) { + cameraCaptureUI.photoSettings.maxResolution = Windows.Media.Capture.CameraCaptureUIMaxPhotoResolution.smallVga; + } else if (targetWidth >= 320 || targetHeight >= 240) { + cameraCaptureUI.photoSettings.maxResolution = Windows.Media.Capture.CameraCaptureUIMaxPhotoResolution.verySmallQvga; + } else { + cameraCaptureUI.photoSettings.maxResolution = Windows.Media.Capture.CameraCaptureUIMaxPhotoResolution.highestAvailable; + } + + cameraCaptureUI.captureFileAsync(Windows.Media.Capture.CameraCaptureUIMode.photo).then(function (picture) { + if (picture) { + // save to photo album successCallback + var success = function (fileEntry) { + if (destinationType == Camera.DestinationType.FILE_URI) { + if (targetHeight > 0 && targetWidth > 0) { + resizeImage(picture); + } else { + Windows.Storage.StorageFolder.getFolderFromPathAsync(packageId.path).done(function (storageFolder) { + picture.copyAsync(storageFolder, picture.name, Windows.Storage.NameCollisionOption.replaceExisting).then(function (storageFile) { + successCallback(storageFile.name); + }, function () { + fail(FileError.INVALID_MODIFICATION_ERR); + }, function () { + errorCallback("Folder not access."); + }); + }) + } + } else { + if (targetHeight > 0 && targetWidth > 0) { + resizeImageBase64(picture); + } else { + Windows.Storage.FileIO.readBufferAsync(picture).done(function (buffer) { + var strBase64 = Windows.Security.Cryptography.CryptographicBuffer.encodeToBase64String(buffer); + successCallback(strBase64); + }) + } + } + } + // save to photo album errorCallback + var fail = function () { + //errorCallback("FileError, code:" + fileError.code); + errorCallback("Save fail."); + } + + if (saveToPhotoAlbum) { + Windows.Storage.StorageFile.getFileFromPathAsync(picture.path).then(function (storageFile) { + storageFile.copyAsync(Windows.Storage.KnownFolders.picturesLibrary, picture.name, Windows.Storage.NameCollisionOption.generateUniqueName).then(function (storageFile) { + success(storageFile); + }, function () { + fail(); + }) + }) + //var directory = new DirectoryEntry("Pictures", parentPath); + //new FileEntry(picture.name, picture.path).copyTo(directory, null, success, fail); + } else { + if (destinationType == Camera.DestinationType.FILE_URI) { + if (targetHeight > 0 && targetWidth > 0) { + resizeImage(picture); + } else { + Windows.Storage.StorageFolder.getFolderFromPathAsync(packageId.path).done(function (storageFolder) { + picture.copyAsync(storageFolder, picture.name, Windows.Storage.NameCollisionOption.replaceExisting).then(function (storageFile) { + successCallback(storageFile.name); + }, function () { + fail(FileError.INVALID_MODIFICATION_ERR); + }, function () { + errorCallback("Folder not access."); + }); + }) + } + } else { + if (targetHeight > 0 && targetWidth > 0) { + resizeImageBase64(picture); + } else { + Windows.Storage.FileIO.readBufferAsync(picture).done(function (buffer) { + var strBase64 = Windows.Security.Cryptography.CryptographicBuffer.encodeToBase64String(buffer); + successCallback(strBase64); + }) + } + } + } + } else { + errorCallback("User didn't capture a photo."); + } + }, function () { + errorCallback("Fail to capture a photo."); + }) + } + + /* if(args[2] == Camera.PictureSourceType.CAMERA) { // display the camera, and capture an image var dialog = new Windows.Media.Capture.CameraCaptureUI(); @@ -80,7 +464,7 @@ module.exports = { console.log("success handler without file ..."); } }); - } - + }*/ + } }; \ No newline at end of file
