Web Demos

BARCODE READER SDK DEMO

Explore the flexibe barcode reading settings to optimize for your specific usage scenario.

WEB TWAIN SDK DEMO

Try the most popular web scanner features: scan images, import local images and PDF files, edit, save to local, upload to database, and etc.

BARCODE READER JAVASCRIPT DEMO

Transform any camera-equipped devices into real-time, browser-based barcode and QR code scanners.

MRZ SCANNER WEB DEMO

Detects the machine-readable zone of a passport, scans the text, and parses into human-readable data.

APP STORE DEMOS

BARCODE READER SDK FOR IOS

BARCODE READER SDK FOR ANDROID

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Resource Base
Table of contents

DCEFrameListener

The protocol to handle callback when previewed frame callback is returned.

@protocol CameraEnhancerListener <NSObject>
Method Type Description
frameOutPutCallback required Callback when the DCEFrame is output.

frameOutPutCallback

Callback when the DCEFrame is output.

- (void)frameOutPutCallback:(DCEFrame*)frame timeStamp:(NSTimeInterval)timeStamp;

Parameters

frame: The parameter is the original DCEFrame with detailed frame information. View more in DCEFrame class.
timeStamp: The time stamp that records when the DCEFrame is output.

Code Snippet

  • Objective-C
  • Swift
  1. [_dce addListener:self];
    - (void)frameOutPutCallback:(DCEFrame *)frame timeStamp:(NSTimeInterval)timeStamp{
    // TODO add your code
    }
    
  2. dce.addListener(self)
    func frameOutPutCallback(_ frame: DCEFrame, timeStamp: TimeInterval){
    // TODO add your code
    }
    

See also

This page is compatible for:

Version 1.0

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