# ScanForge Software Requirements Specification(SRS)
## Table of Content
* [1. Introduction](#1-Introduction)
* [1.1 Purpose](#11-Purpose)
* [1.2 Project Scope](#12-Project-Scope)
* [2. Overall Description](#2-Overall-Description)
- [2.1 Product Perspective](#21-Product-Perspective)
- [2.2 Product Features](#22-Product-Features)
- [2.3 User Classes and Characteristics](#23-User-Classes-and-Characteristics)
- [2.4 Operating Environment](#24-Operating-Environment)
* [3. System Features](#3-System-Features)
- [3.1 Functional Requirements](#31-Functional-Requirements)
- [3.1.1 Input Handling](#311-Input-Handling)
- [3.1.2 QR Code Generation](#312-QR-Code-Generation)
- [3.1.3 Display Generated QR Codes](#313-Display-Generated-QR-Codes)
- [3.1.4 Download and Sharing](#314-Download-and-Sharing)
- [3.1.5 History and Favorites](#315-History-and-Favorites)
- [3.1.6 User Authentication and Account Management](#316-User-Authentication-and-Account-Management)
- [3.1.7 Responsive Design](#317-Responsive-Design)
- [3.1.8 Error Handling and Validation](#318-Error-Handling-and-Validation)
- [3.2 External Interface Requirements](#32-External-Interface-Requirements)
- [3.2.1 User Interfaces (UI)](#321-User-Interfaces-UI)
- [3.2.2 Software Interfaces](#322-Software-Interfaces)
- [3.2.3 Communications Interfaces](#323-Communications-Interfaces)
- [3.3 Non-Functional Requirements](#33-Non-Functional-Requirements)
- [3.3.1 Performance](#331-Performance)
- [3.3.2 Usability](#332-Usability)
- [3.3.3 Reliability](#333-Reliability)
- [3.3.4 Security](#334-Security)
- [3.3.5 Compatibility](#335-Compatibility)
- [3.3.6 Maintainability](#336-Maintainability)
- [3.3.7 Portability](#337-Portability)
- [3.4 Other Requirements](#34-Other-Requirements)
* [4. Conclusion](#4-Conclusion)
# 1. Introduction
## 1.1 Purpose
This document outlines the software requirements for the development of ScanForge, a QR code generator application.This document is meant for users, product designers and developers alike. It contains the overall description of this application, the features and non-functional aspect of the application.
## 1.2 Project Scope
The application will allow users to generate QR codes from text or links without any time limitations or payment constraints, fostering seamless sharing and utilization.
# 2. Overall Description
## 2.1 Product Perspective
ScanForge operates as a standalone web, mobile and desktop application, offering QR code generation services to users. ScanForge aims to provide users with a hassle-free, free-of-charge QR code generation service, eliminating expiration limitations imposed by other platforms.
## 2.2 Product Features
ScanForge will offer the following key features:
* QR Code Generation: Allow users to input text or links and generate QR codes instantly.
* Text and Link Support: Enable users to create QR codes from plain text or website links.
* Download and Sharing: Allow users to download generated QR codes as image files and share them easily.
* Responsive Design: Ensure the application is mobile-friendly and works seamlessly across various devices and screen sizes.
## 2.3 User Classes and Characteristics
* **Users**: Individuals seeking quick and easy QR code generation for personal or professional purposes.
## 2.4 Operating Environment
ScanForge will operate as a web-based, mobile and desktop application accessible across multiple browsers, android devices and computers with internet connectivity. The desktop version will run on the Windows and Linux operating system.
# 3. System Features
## 3.1 Functional Requirements
### 3.1.1 Input Handling
* Accept user input for generating QR codes from text or links.
* Validate and sanitize input to ensure compatibility with QR code generation.
### 3.1.2 QR Code Generation
* Generate QR codes from user-provided text or links using QR code generation algorithms.
* Provide immediate, accurate, and error-free QR code generation.
### 3.1.3 Display Generated QR Codes
* Show the generated QR codes to users for easy access and sharing.
* Ensure clear and high-quality rendering of QR codes for scanning purposes.
### 3.1.4 Download and Sharing
* Enable users to download generated QR codes as image files (PNG, JPEG, etc.).
* Facilitate easy sharing of QR codes through various communication channels like email, messaging apps, or social media.
### 3.1.5 History and Favorites
* Maintain a history of generated QR codes for users to revisit or reuse.
* Enable users to mark QR codes as favorites for quick and convenient access.
### 3.1.6 User Authentication and Account Management
* Implement user accounts for saving preferences, accessing history across devices, and managing generated QR codes.
* Ensure secure login, registration, and profile management functionalities.
### 3.1.7 Responsive Design
* Ensure the application's responsiveness across devices and screen sizes for a seamless user experience.
### 3.1.8 Error Handling and Validation
* Implement robust error handling mechanisms to address invalid inputs or unexpected errors during QR code generation.
* Validate user inputs to prevent potential errors or misuse of the application.
## 3.2 External Interface Requirements
### 3.2.1 User Interfaces (UI)
* Enable users to interact with the application for QR code generation.
* Intuitive and user-friendly interface allowing users to input text or links for QR code generation.
* Clear and accessible display of generated QR codes for user access and sharing.
### 3.2.2 Software Interfaces
* Integrating a JavaScript library like qrcode.js or qr-image for efficient and advanced QR code generation within the application. These libraries provide APIs to generate QR codes based on user inputs.
### 3.2.3 Communications Interfaces
* Data exchange between the application and external servers or devices.
* Secure data transmission using HTTPS protocol for user input, QR code retrieval and User Authentication.
* Clear communication protocols for seamless data exchange between the client and server.
## 3.3 Non-Functional Requirements
### 3.3.1 Performance
* **Response Time:** Ensure quick QR code generation within seconds for an optimal user experience.
* **Scalability:** Accommodate increased user traffic without compromising performance.
### 3.3.2 Usability
* **Intuitiveness:** Provide a user-friendly interface for easy navigation and QR code generation.
* **Accessibility:** Ensure the application is accessible and usable for users.
### 3.3.3 Reliability
* **Stability:** Maintain stability and availability of services to prevent downtime or disruptions.
* **Error Handling:** Handle errors gracefully to prevent service interruptions and ensure a smooth user experience.
### 3.3.4 Security
* **Data Protection:** Implement measures to safeguard user data and prevent unauthorized access or data breaches.
* **Secure Transmission:** Ensure secure transmission of data between the user and the server during QR code generation and retrieval.
### 3.3.5 Compatibility
* **Browser Compatibility:** Support major web browsers (Chrome, Firefox, Safari, etc.) for a consistent user experience.
* **Device Compatibility:** Ensure compatibility across various devices and screen sizes for responsiveness.
### 3.3.6 Maintainability
* **Code Maintainability:** Write clean, well-documented code to facilitate ease of maintenance and future updates.
* **Ease of Modification:** Design the application architecture in a way that allows for straightforward modifications or enhancements.
### 3.3.7 Portability
* **Platform Independence:** Ensure the application can run seamlessly on different operating systems without significant modifications.
## 3.4. Other Requirements
None at present.
# 4. Conclusion
In conclusion, this detailed SRS outlines the comprehensive requirements and specifications for ScanForge, emphasizing user-friendly QR code generation with reliability, security, and scalability as key features.