Cordova-camera-custom NPM

Cordova Plugin Camera Preview

Cordova plugin that allows camera interaction from HTML code for showing camera preview below or above the HTML.

March 4, 2017 - We are currently drastically improving the plugin for a v1.0.0 release, in the meantime the API may change slightly. Please use master until a new version is released.

PR's are greatly appreciated. If your interested in maintainer status please create a couple PR's and then contact westonganger@gmail.com

Features

Android only features

These are some features that are currently Android only, however we would love to see PR's for this functionality in iOS.

Installation

Use any one of the installation methods listed below depending on which framework you use.

cordova plugin add https://github.com/cordova-plugin-camera-preview/cordova-plugin-camera-preview.git

ionic plugin add https://github.com/cordova-plugin-camera-preview/cordova-plugin-camera-preview.git

meteor add cordova:cordova-plugin-camera-preview@https://github.com/cordova-plugin-camera-preview/cordova-plugin-camera-preview.git#[latest_commit_id]

<plugin spec="https://github.com/cordova-plugin-camera-preview/cordova-plugin-camera-preview.git" source="git" />

Methods

startCamera(options, successCallback, errorCallback)

x - Defaults to 0
y - Defaults to 0
width - Defaults to window.screen.width
height - Defaults to window.screen.height
camera - Options are 'front' and 'rear' - Defaults to 'rear'
toBack - Defaults to false - Set to true if you want your html in front of your preview
tapPhoto - Defaults to true - Does not work if toBack is set to false in which case you use the takePicture method
previewDrag - Defaults to true - Does not work if toBack is set to false

CameraPreview.startCamera({x: 0, y: 0, width: window.screen.width, height: window.screen.height, camera: "front", toBack: false, tapPhoto: true, previewDrag: false});

When setting the toBack to true, remember to add the style below on your app's HTML or body element:

html, body {
  background-color: transparent;
}

stopCamera(successCallback, errorCallback)

Stops the camera preview instance.

CameraPreview.stopCamera();

switchCamera(successCallback, errorCallback)

Switch between the rear camera and front camera, if available.

CameraPreview.switchCamera();

show(successCallback, errorCallback)

Show the camera preview box.

CameraPreview.show();

hide(successCallback, errorCallback)

Hide the camera preview box.

CameraPreview.hide();

takePicture(options, successCallback, errorCallback)

Take the picture. It defaults to max supported picture resolution if no width or height specified. If width and height are specified, it will choose a supported photo size that is closest to width and height specified and has closest aspect ratio to the preview. The argument quality defaults to 85 and specifies the quality/compression value: 0=max compression, 100=max quality.

CameraPreview.takePicture({width:640, height:640, quality: 85}, function(base64PictureData){
  /*
    base64PictureData is base64 encoded jpeg image. Use this data to store to a file or upload.
    Its up to the you to figure out the best way to save it to disk or whatever for your application.
  */

  // One simple example is if you are going to use it inside an HTML img src attribute then you would do the following:
  imageSrcData = 'data:image/jpeg;base64,' +base64PictureData;
  $('img#my-img').attr('src', imageSrcData);
});

// OR if you want to use the default options.

CameraPreview.takePicture(function(base64PictureData){
  /* code here */
});

setFlashMode(flashMode, successCallback, errorCallback)

Set the flash mode. Available flash modes are off, on, auto, torch. Torch mode is currently Android only

CameraPreview.setFlashMode('ON');

setColorEffect(colorEffect, successCallback, errorCallback)

Set the color effect. iOS Effects: none, mono, negative, posterize, sepia. Android Effects: none, mono, negative, posterize, sepia, aqua, blackboard, solarize, whiteboard

CameraPreview.setColorEffect('sepia');

setZoom(zoomMultiplier, successCallback, errorCallback)

Set the zoom level. zoomMultipler option accepts an integer. Zoom level is initially at 1

CameraPreview.setZoom(2);

setPreviewSize(dimensions, successCallback, errorCallback)

Change the size of the preview window.

CameraPreview.setPreviewSize({width: window.screen.width, height: window.screen.height});

getSupportedPictureSizes(cb, errorCallback)

CameraPreview.getSupportedPictureSizes(function(dimensions){
  // note that the portrait version, width and height swapped, of these dimensions are also supported
  dimensions.forEach(function(dimension) {
    console.log(dimension.width + 'x' + dimension.height);
  });
});

IOS Quirks

It is not possible to use your computers webcam during testing in the simulator, you must device test.

Sample App

cordova-plugin-camera-preview-sample-app for a complete working Cordova example for Android and iOS platforms.

Screenshots

Credits

Maintained by Weston Ganger - @westonganger

Created by Marcel Barbosa Pinto @mbppower

cordova

@infinitebrahmanuniverse/nolb-cordova-c @everything-registry/sub-chunk-1381

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