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Merge pull request #1 from MSOpenTech/2.1-windows
Introduces universal windows platform, improvements and bugfixing
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,176 @@ | ||
| /* | ||
| * Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. | ||
| */ | ||
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| module.exports = { | ||
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| /** | ||
| * Scans image via device camera and retieves barcode from it. | ||
| * @param {function} success Success callback | ||
| * @param {function} fail Error callback | ||
| * @param {array} args Arguments array | ||
| */ | ||
| scan: function (success, fail, args) { | ||
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| var capturePreview, | ||
| capturePreviewAlignmentMark, | ||
| captureCancelButton, | ||
| capture, | ||
| reader; | ||
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| /** | ||
| * Creates a preview frame and necessary objects | ||
| */ | ||
| function createPreview() { | ||
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| // Create fullscreen preview | ||
| capturePreview = document.createElement("video"); | ||
| capturePreview.style.cssText = "position: absolute; left: 0; top: 0; width: 100%; height: 100%; background: black"; | ||
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| capturePreviewAlignmentMark = document.createElement('div'); | ||
| capturePreviewAlignmentMark.style.cssText = "position: absolute; left: 0; top: 50%; width: 100%; height: 3px; background: red"; | ||
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| // Create cancel button | ||
| captureCancelButton = document.createElement("button"); | ||
| captureCancelButton.innerText = "Cancel"; | ||
| captureCancelButton.style.cssText = "position: absolute; right: 0; bottom: 0; display: block; margin: 20px"; | ||
| captureCancelButton.addEventListener('click', cancelPreview, false); | ||
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| capture = new Windows.Media.Capture.MediaCapture(); | ||
| } | ||
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| /** | ||
| * Starts stream transmission to preview frame and then run barcode search | ||
| */ | ||
| function startPreview() { | ||
| var captureSettings = new Windows.Media.Capture.MediaCaptureInitializationSettings(); | ||
| captureSettings.streamingCaptureMode = Windows.Media.Capture.StreamingCaptureMode.video; | ||
| captureSettings.photoCaptureSource = Windows.Media.Capture.PhotoCaptureSource.videoPreview; | ||
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| capture.initializeAsync(captureSettings).done(function () { | ||
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| //trying to set focus mode | ||
| var controller = capture.videoDeviceController; | ||
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| if (controller.focusControl && controller.focusControl.supported) { | ||
| if (controller.focusControl.configure) { | ||
| var focusConfig = new Windows.Media.Devices.FocusSettings(); | ||
| focusConfig.autoFocusRange = Windows.Media.Devices.AutoFocusRange.macro; | ||
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| var supportContinuousFocus = controller.focusControl.supportedFocusModes.indexOf(Windows.Media.Devices.FocusMode.continuous).returnValue; | ||
| var supportAutoFocus = controller.focusControl.supportedFocusModes.indexOf(Windows.Media.Devices.FocusMode.auto).returnValue; | ||
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| if (supportContinuousFocus) { | ||
| focusConfig.mode = Windows.Media.Devices.FocusMode.continuous; | ||
| } else if (supportAutoFocus) { | ||
| focusConfig.mode = Windows.Media.Devices.FocusMode.auto; | ||
| } | ||
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| controller.focusControl.configure(focusConfig); | ||
| controller.focusControl.focusAsync(); | ||
| } | ||
| } | ||
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| var deviceProps = controller.getAvailableMediaStreamProperties(Windows.Media.Capture.MediaStreamType.videoRecord); | ||
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| deviceProps = Array.prototype.slice.call(deviceProps); | ||
| deviceProps = deviceProps.filter(function (prop) { | ||
| // filter out streams with "unknown" subtype - causes errors on some devices | ||
| return prop.subtype !== "Unknown"; | ||
| }).sort(function (propA, propB) { | ||
| // sort properties by resolution | ||
| return propB.width - propA.width; | ||
| }); | ||
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| var maxResProps = deviceProps[0]; | ||
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| controller.setMediaStreamPropertiesAsync(Windows.Media.Capture.MediaStreamType.videoRecord, maxResProps).done(function () { | ||
| // handle portrait orientation | ||
| if (Windows.Graphics.Display.DisplayProperties.nativeOrientation == Windows.Graphics.Display.DisplayOrientations.portrait) { | ||
| capture.setPreviewRotation(Windows.Media.Capture.VideoRotation.clockwise90Degrees); | ||
| capturePreview.msZoom = true; | ||
| } | ||
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| capturePreview.src = URL.createObjectURL(capture); | ||
| capturePreview.play(); | ||
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| // Insert preview frame and controls into page | ||
| document.body.appendChild(capturePreview); | ||
| document.body.appendChild(capturePreviewAlignmentMark); | ||
| document.body.appendChild(captureCancelButton); | ||
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| startBarcodeSearch(maxResProps.width, maxResProps.height); | ||
| }); | ||
| }); | ||
| } | ||
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| /** | ||
| * Starts barcode search process, implemented in WinRTBarcodeReader.winmd library | ||
| * Calls success callback, when barcode found. | ||
| */ | ||
| function startBarcodeSearch(width, height) { | ||
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| reader = new WinRTBarcodeReader.Reader(); | ||
| reader.init(capture, width, height); | ||
| reader.readCode().done(function (result) { | ||
| destroyPreview(); | ||
| success({ text: result && result.text, format: result && result.barcodeFormat, cancelled: !result }); | ||
| }, function (err) { | ||
| destroyPreview(); | ||
| fail(err); | ||
| }); | ||
| } | ||
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| /** | ||
| * Removes preview frame and corresponding objects from window | ||
| */ | ||
| function destroyPreview() { | ||
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| capturePreview.pause(); | ||
| capturePreview.src = null; | ||
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| [capturePreview, capturePreviewAlignmentMark, captureCancelButton].forEach(function (elem) { | ||
| elem && document.body.removeChild(elem); | ||
| }); | ||
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| reader && reader.stop(); | ||
| reader = null; | ||
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| capture && capture.stopRecordAsync(); | ||
| capture = null; | ||
| } | ||
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| /** | ||
| * Stops preview and then call success callback with cancelled=true | ||
| * See https://github.com/phonegap-build/BarcodeScanner#using-the-plugin | ||
| */ | ||
| function cancelPreview() { | ||
| reader && reader.stop(); | ||
| } | ||
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| try { | ||
| createPreview(); | ||
| startPreview(); | ||
| } catch (ex) { | ||
| fail(ex); | ||
| } | ||
| }, | ||
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| /** | ||
| * Encodes specified data into barcode | ||
| * @param {function} success Success callback | ||
| * @param {function} fail Error callback | ||
| * @param {array} args Arguments array | ||
| */ | ||
| encode: function (success, fail, args) { | ||
| fail("Not implemented yet"); | ||
| } | ||
| }; | ||
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| require("cordova/exec/proxy").add("BarcodeScanner", module.exports); |
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4e5af0cThere was a problem hiding this comment.
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Hi, I am new on GitHub, I don't understand everything here yet (PR, Issues, version numbers...) but I am interested in this plugin for a project that targets primarily all Windows platforms but I would like to extend to Android and IOS at some point. I am trying to also use WebSQL and InAppBrowser.
When I used this version of the barcode plugin, I had this error message:
Severity Description File Line Column
Error Uh oh! MDAVSCLI 1 1
I tried removing all plugins, recompile adding only this plugin and then again, this error above.
I am using VS2015...
Any idea what this problem could be ?? Is it me ? Is the rigth place to say this ?
Regards,
Claude
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This error may happen if you mix the Cordova CLI and Visual Studio 15 (or VS 13 + Multi device hybrid apps extension).
In my case, I added a platform with CLI (cordova platform add windows) and a plugin (this one). After that, Visual Studio no longer wanted to build the App.
This error may also happen if your plugin.xml is wrong (but if you didn't touch it, it's probably not related).