All Developer Tutorials — Page 7 of 17

Step-by-step guide to building a .NET MAUI Windows app that scans documents via TWAIN/WIA and reads embedded barcodes using Dynamsoft Barcode Reader in C#.

Build a QR code scanner shared between Android and iOS with Kotlin Compose Multiplatform and Dynamsoft Barcode Reader v11: CaptureVisionRouter with CameraX on Android, AVFoundation with a Dynamsoft CocoaPods pod and Kotlin/Native cinterop on iOS, including a bounding-box overlay.

Discover how to design a lightweight Flutter camera plugin for Windows, Linux, and macOS, and apply it to create an efficient cross-platform desktop multi-barcode scanner.

Learn how to integrate a client-side document scanner in a Nuxt.js app using Dynamic Web TWAIN. Covers SSR setup with ClientOnly, TWAIN/WIA/ESCL scanning, and PDF export.

Step-by-step guide to building a macOS framework that wraps the Dynamsoft C++ Barcode SDK in Objective-C++ for Swift and SwiftUI integration. Covers Objective-C++ bridging, framework creation in Xcode, and CocoaPods publishing.

Learn how to create a custom document scanning dataset using Python and OpenCV — capture real photos, save quadrilateral annotations, and synthesize training images for edge detection and deep learning.

Build a Node.js camera SDK with node-gyp and the C++ LiteCam library, then use it with Dynamsoft Capture Vision to create a cross-platform desktop multi-barcode scanner on Windows, Linux, and macOS.

Learn how to read DotCode barcodes in a browser using Dynamsoft Barcode Reader's JavaScript SDK — covering live camera scanning, image file decoding, and the custom template needed for tobacco-industry DotCode marks.

Learn how to write a Python script to read multiple barcodes from a camera using a custom CPython camera SDK built on a C++ library and Dynamsoft Barcode Reader. Works on Windows, Linux, and macOS.

Learn how to flatten (burn) PDF annotations in JavaScript using Dynamsoft Document Viewer — with code examples for flattening all annotations or selectively flattening individual ones.

Step-by-step C++ barcode scanner macOS AVFoundation tutorial. Bridge Objective-C with C++ to capture camera frames via AVFoundation, render them with Cocoa, and decode barcodes using the Dynamsoft Barcode Reader SDK — no OpenCV required.

Learn how to encrypt, decrypt, and password protect PDF files entirely client-side in JavaScript using Dynamsoft Document Viewer — with code examples for loading, unlocking, and saving secured PDFs.

Step-by-step tutorial to implement a QR code reader and barcode scanner in Nuxt.js using Dynamsoft Barcode Reader with live webcam access.

Step-by-step tutorial to build a C++ Windows webcam barcode scanner using the Windows Media Foundation API and Dynamsoft Barcode Reader SDK v11. Covers camera enumeration, YUY2-to-RGB conversion, Win32 GDI rendering, and CMake build setup — no OpenCV required.

Learn how to access a webcam in C++ on Linux using the V4L2 API without OpenCV, and build a real-time barcode scanner with the Dynamsoft Barcode Reader SDK.

Step-by-step Vue.js tutorial: access the device camera, detect document borders in real time, crop and enhance scanned pages, and export a multi-page PDF — all in the browser with Dynamsoft Mobile Web Capture.

Step-by-step tutorial to build a browser-based document scanner with HTML5 and JavaScript — detect edges, crop, rectify, and save documents to PDF using Dynamsoft Capture Vision and Document Viewer.

Learn how to compress images in the browser with JavaScript by adjusting resolution, color depth, JPEG quality, and converting to WebP or PDF formats using Dynamsoft Document Viewer.

Step-by-step tutorial on how to add handwritten electronic signatures to PDF documents using JavaScript, HTML5 Canvas, and Dynamsoft Document Viewer SDK.

Learn how to read DataMatrix barcodes from PDF files using JavaScript. Flatten barcode annotations into raster images with Dynamsoft Document Viewer, then decode DataMatrix, QR Code, and other 1D/2D barcodes in the browser with Dynamsoft Barcode Reader.