Dynamsoft Developer Blog

If you want to build a cross-platform GUI app with Python and Qt, you can either use PyQt or PySide. Both of them are Qt bindings for Python. The main difference is the license: PyQt5 is released under GPL or commercial, whereas PySide2 is released under LGPL. Since PySide2 i ...

In the warehouse management system, Drone can be used to automate barcode scanning for inventory counts. To learn drone piloting and try barcode scanning in the air, I bought Ryze Tello, which is a mini drone powered by DJI. In this article, I will share how to detect and dec ...

Previously, I wrote an article showing how to build a DotCode reader in Java. I also updated my C# barcode demo to make it support DotCode decoding recently. In this article, I will share a new webcam scanner sample implemented in C++.

On StackOverflow, you may have seen this kind of question: why some open-source barcode SDK failed to decode some barcode? Usually, there are three optional workarounds: improve the input image quality, improve the barcode algorithm, or find a better barcode SDK.  ZXing and Z ...

When I was using CPython to create the Python barcode extension with Dynamsoft Barcode Reader, I had to take concern for the compatibility of Python versions. However, I’m reluctant to install all Python versions in my operating system. To test the compatibility of my Python ...

Direct Part Marking (DPM) is a process to mark equipment with some information, such as barcodes, permanently. The typical DPM barcode symbologies include DataMatrix and QR code. Since version 7.2, Dynamsoft Barcode Reader SDK has been capable of decoding DPM barcodes. In thi ...

If you want to quickly create a walking robot, you can use the Lego Boost. In this post, I will share how to use a webcam, Lego Boost, and Dynamsoft Barcode Reader SDK to make a robot for scanning barcodes. The programming language used in this article is Python.

Qt for Python enables developers to quickly create GUI apps on Windows, Linux and macOS with one codebase. In this article, I will share how to build a Python barcode reader with Qt on Windows. Since Dynamsoft Barcode Reader SDK is also cross-platform, it is easy for you to r ...

Dynamsoft JavaScript barcode SDK is built based on WebAssembly, which provides high performance for reading barcodes in web apps. This tutorial aims to demonstrate how to quickly create a simple web barcode reader by using React and Dynamsoft JavaScript barcode SDK.

Progressive web apps (PWA), simply to say, are web apps that running like native apps on the desktop and mobile platforms. The advantages of PWA include installable, discoverable, linkable and so on. In this article, I’m trying to give a snapshot of a simple PWA barcode reade ...

Dynamsoft JavaScript barcode SDK is built based on WebAssembly. In this article, I will illustrate how to build a simple web barcode reader app by using Dynamsoft JavaScript barcode SDK and Angular.

In my last article, I shared how to build WinRT component with Dynamsoft Barcode Reader C++ SDK. This article shows how to use the generated Dynamsoft.dll and Dynamsoft.winmd files in a Cordova plugin project for building Windows 10 apps.

Dynamsoft Barcode Reader 6.0 SDK is the best version ever. It dramatically improved barcode detecting speed and accuracy, especially for multiple barcodes per frame. Since there are some new APIs and parameters, I have to update both C++ and Python code for the Python barcode ...

Dynamsoft Barcode Reader 6.0 is on the way. The major upgrade version improves the performance of barcode detection and recognition dramatically. It is over two times faster than version 5.2. In this post, I will disclose some new features and demonstrate the corresponding APIs.

OpenCV is written in C++.  If you install OpenCV library on Windows, you will see OpenCV officially provides wrappers for Python and Java but not for C#. Fortunately, there are many .NET open source projects for wrapping OpenCV C++ APIs, and thus we don’t need to write a wrap ...

When porting code from Python 2 to Python 3, it is not as easy as you imagined no matter whether the primary programming language is Python or C/C++. Re-compiling the Dynamsoft Barcode extension for Python 3 is a challenge because I only found a few of documentation and resou ...

According to the statistics of Stack Overflow traffic, Python is the fastest-growing major programming language in high-income countries. Python seems to be promising in the future. I have noticed that many of the developers who would like to use Dynamsoft Barcode Reader SDK ...

Kotlin, developed by JetBrain, is a statically typed programming language that compiles to Java code and JavaScript code. Recently, Google announced that Kotlin is a first-class language for writing Android apps. The big Android market will bring a promising future for Kotlin ...

Cordova is a mobile application development framework that enables developers to build Android, iOS and Windows Phone apps using HTML5, JavaScript, and CSS3. It uses web views to render UI elements instead of the platform’s native UI framework. Cordova can be extended to add ...

I just finished reading the article - Native Extensions for the Standalone Dart VM. In this post, I will share my experience about how to build a Dart native extension from scratch with Dynamsoft C/C++ barcode SDK on Windows.

A few months ago, Google announced a new operating system named Fuchsia. It was my first time to hear about Dart, which is the primary programming language for Fuchsia. Dart is a programming language designed by Google.  It is used to build the web (Dart webdev), mobile (Flut ...

OpenCV officially provides both C++ and Python APIs for developers. Most of the time, developers just need to use one kind of programming languages to read, write and process images with hundreds of computer vision algorithms. However, if you want to use OpenCV Python APIs wi ...

Previously I shared how to use Touchless, which wraps the win32 APIs of DirectShow, to control webcam in C#. In this article, let’s take a further step to see how to use the more complicated DirectShow.NET APIs to capture the video stream and read barcode from preview frames ...

When using PHP native extensions, you have to carefully match the right PHP version. Otherwise, it may cause a compatibility issue. In addition, the web server deployment of a PHP project with customized extensions is complicated as well. A proper solution for quickly experie ...

I have been playing Pi Emulator for a while. It is time to get my hands dirty on the real Pi device. In this post, I would share how to build my first C/C++ barcode reader application on Raspberry Pi.

Building desktop applications is not as easy as developing web applications because it is platform-related. You may need to learn C# for Windows, C/C++ for Linux, and Swift for Mac. For Java developers, it is convenient to create universal desktop applications in Swing and Ja ...

Last week, I shared how to build PHP extension on Linux, as well as how to make a simple PHP barcode reader with a few lines of PHP code. In this post, I will illustrate how to implement an online barcode reader with the custom PHP extension, and how to deploy the PHP project ...

If you want to get a Node.js application into a Docker container from scratch, it’s recommended to read the official guide – Dockerizing a Node.js web app.  It is useful, but not enough for a complicated case. In this post, I’m going to share what problems I have encountered ...

If you have read the article How to Benchmark Barcode SDK Performance – ZXing vs ZBar, you may have noticed that ZBar relies on ImageMagick. ImageMagick is an open source software suite that capable of reading a variety of images. If you just want to write a barcode testing p ...

I saw many posts arguing the performance winner between open-source barcode SDKs - ZXing and ZBar. As an engineer, who is developing commercial barcode reader software for Dynamsoft, I am curious about which open source project is better, ZXing or ZBar? Considering ZXing is i ...

This tutorial will help developers get familiar with Dynamsoft Barcode SDK. No matter which programming language you are using, you are able to quickly implement Barcode applications with a few lines of code.

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.