Dynamsoft Developer Blog

Generally, while doing barcode detection, we pass color images encoded in RGB or YUV to some barcode decoding APIs, in which the image data will be converted from color to grayscale and then from grayscale to binary. Operating pixels takes much CPU time. To accelerate image p ...

In India, the Aadhaar card is used to store people’s biometric and demographic data. This article shares how to create a simple web app to decode the QR code printed on the Aadhaar card using Dynamsoft JavaScript SDK, as well as how to extract the information from the barcode ...

Vaadin platform, similar to GWT (Google Web Toolkit), is a set of web components that allow developers to implement HTML5 web apps using the Java programming language. This tutorial aims to help developers to create a simple web document scanning app with Vaadin and Dynamic W ...

Last week, I had successfully built JavaScript and WebAssembly ZXing barcode SDK. In this post, I will use the pure JavaScript barcode SDK to create a simple client-side HTML5 barcode reader app, which works in any WebRTC supported web browsers.What If ZXing Cannot Satisfy Pe ...

If you always stay tuned to Dynamsoft Barcode SDK, you should have noticed that starting with version 5.1, the SDK includes a JavaScript library which is similar to Dynamic Web TWAIN. The article aims to help developers get familiar with the relevant JavaScript Barcode APIs a ...

It is known that getUserMedia, the API defined by WebRTC, is the main method for accessing media capture devices such as webcam and microphone in web pages. The compatible desktop web browsers include Chrome, Firefox, Opera, and Edge. This article will share the resources for ...

As Internet connection speed getting faster, more and more people tend to embrace cloud service. Any desktop applications could be transformed to cloud applications with better maintainability, security, and stability. End-users can use web browsers to get connected with soci ...

On mobile platforms, HTML5 is not only supported by web browsers, such as Safari, Firefox, Opera, Chrome, but also web view UI component that used for building native apps. The benefit is apparent that any developer who is familiar with web programming could easily create exc ...

Recently, I noticed someone asked whether Dynamsoft Barcode Reader SDK can work for mobile devices. Because Dynamsoft Barcode Reader SDK does not support ARM yet, we can’t use it to develop native mobile apps. However, don’t be frustrated. Inspired by the article - Face detec ...

Top 10 Pages from Google Analytics Take a Photo and Upload it on Mobile Phones with HTML5 Take a Photo from Android Camera and Upload it to a Remote PHP Server How to implement a simple barcode scan application on Android VSS / SourceSafe Tutorial How to Source Control S ...

In this tutorial, I’d like to share how to implement a simple Web application for document imaging and uploading with Dynamic Web TWAIN SDK (DWT) and Node.js.Download and Installation Dynamic Web TWAIN download Node.js downloadCreating a Web Server with Node.jsRun your comman ...

Think of the game, we know that we have 4 teams in play. At a given time, all we need to see is where these 16 planes are. For the game engine, all it needs to know is the coordinates of these 16 planes. So we need to create another map which has a different value for each an ...

In the previous articles, I shared how to implement a .Net WebSocket server with SuperWebSocket. Today, I’d like to continue the series WebSocket: How-to, talking about how to implement a WebSocket server in Java.What is Jetty?“Jetty provides a Web server andjavax.servlet con ...

Compared with the regular tiles or ‘stations’ we talked about, the airport is not a regular shape. So a lot of math is involved in the creation of the airport. First of all, we want the airport to appear as a rounded rectangle. So we add a method to the canvas object. Referen ...

Today we start making our Modern Ludo Game from scratch.The first thing to do is draw the board. For this part, we’ll simply use the in HTML5.The MarkUp is very simple:<!DOCTYPE html><html xmlns="http://www.w3.org/1999/xhtml"><head> <title>ModernLudo&l ...

A Chrome extension is a package of files including a manifest file, HTML files, JavaScript files and other resources. With extensions, we can add more functionalities to empower Chrome.Getting Started with Chrome Extension Chrome Extension Overview Chrome Extension Debugging ...

In this tutorial, I want to make a more complicated WebSocket demo, which enables me to capture images from scanners on server side, and view the images in desktop web browsers or mobile web browsers. Here is the flowchart: Prerequisites Read Image Transmission between a HTML ...

Last week, I shared how to transmit an image between a WebSocket server and a Web client. Based on that, we can make a little bit of improvement. Today, I would like to share how to generate barcode on .Net server side and display it on web browser.Prerequisites Read Image Tr ...

HTML5 WebSocket facilitates the communication between web browsers and local/remote servers. If you want to learn a simple websocket example, creating a WebSocket Server in C## and a Web client in JavaScript, you can refer to SuperWebSocket, which is a .NET implementation of ...

Last time, I shared my experience about how to use JavaScript saving HTML canvas data to local disk in Chrome. In this tutorial, I would like to share how to save HTML canvas data to remote service with JavaScript and PHP. Ads Powered by DynamsoftUploading canvas data is a li ...

Recently, I spent several days implementing a web music player. Just for fun. With the player, I can listen to songs that are stored in my home computer. While at work, I just need to start a remote service at my house and then open the browser and input the IP and port in or ...

Recently, I read the article - Getting Started with WebRTC, and also learned the sample code from WebRTC codelab. It is really interesting that we can implement video chat, audio chat and even message communications with WebRTC (Web browsers with real-time communications). In ...

In my daily life, I enjoy taking photos with my smartphone and uploading them to various websites. So I started thinking, “Is it possible to implement these functions in a web browser?” Although Dynamsoft ImageCapture Suite allows us to capture images from a webcam, it is des ...

In HTML5, there is a new tag <canvas>, which is used to draw graphics via JavaScript. In this tutorial, I would like to share how to draw images on canvas, and how to save the canvas data to local disk by clicking button. Ads Powered by DynamsoftDraw Images on CanvasTo ...

In the previous blog post, I have glanced at HTML5. Probably many people have already experienced some cool functions of HTML5. In this article, I would like to share how to invoke Webcam in HTML5.While strolling through StackOverflow, I found there are many questions about h ...

What is HTML5HTML5 is a markup language based on HTML 4 and XHTML 1. It’s goal is to support the latest multimedia and be much more readable and understandable by humans and devices. Also, it is dedicated to reducing the dependency on RIA (Rich Internet Application) such as F ...

ActiveX is a software framework created by Microsoft for sharing information and functionality among different applications. As for web application, ActiveX only works with Internet Explorer.Choose a secure ActiveX controlDue to the fact that ActiveX control can literally do ...