Hopding/pdf-lib
Pdf Lib
pdf-lib هي مكتبة JavaScript لمعالجة ملفات PDF تُستخدم لإنشاء وتعديل وتحرير مستندات PDF برمجياً. تعمل كأداة عابرة لبيئات التشغيل (cross-runtime) ومتوافقة مع Node، والمتصفح، وDeno، وبيئات JavaScript للهواتف المحمولة.
توفر المكتبة واجهة برمجية لتحرير المستندات وإنشاء النماذج. وهي تدعم بناء نماذج PDF تفاعلية، وتعبئة الحقول الموجودة ببيانات مخصصة، وتحويل النماذج إلى محتوى ثابت.
تشمل قدراتها الأوسع إنشاء مستندات جديدة من الصفر، وإعادة ترتيب أو نسخ الصفحات بين الملفات، وإدارة بيانات المستند الوصفية. كما تتيح رسم محتوى مرئي مثل النصوص، والصور، والرسوم المتجهة، بالإضافة إلى تضمين خطوط مخصصة وإرفاق ملفات خارجية.
Features
- PDF Document Generation - Provides a programmatic interface for creating new PDF files from scratch by defining their binary structure.
- PDF Form Filling - Detects and populates existing fillable PDF form fields with custom data.
- Page Insertion - Allows adding, removing, and inserting pages at specific positions within a PDF document structure.
- PDF Binary Encoders - Directly implements the binary PDF specification for encoding content streams and structural elements.
- PDF Content Editing - Provides programmatic capabilities to modify text and images within existing PDF files.
- PDF Document Management - Offers a comprehensive toolkit for generating, editing, and manipulating PDF pages and metadata.
- PDF Manipulation Libraries - Provides a low-level JavaScript library for modifying PDF byte streams and manipulating document structures.
- PDF Object Graph Representations - Maintains a graph of unique PDF objects and cross-reference tables to allow non-destructive editing.
- Cross-Platform Runtimes - Ensures consistent PDF processing logic across diverse environments including Node, Browser, Deno, and React Native.
- Form Creators - Supports building interactive PDF forms with buttons, checkboxes, and dropdowns from scratch.
- PDF Form and Annotation Tools - Combines the ability to build interactive form fields and manage PDF document content for data collection.
- PDF Metadata Managers - Provides tools for reading and editing the internal property fields and viewer preferences of PDF documents.
- Automated Document Workflows - Automates the generation and editing of PDF documents within application workflows.
- Form Flattening - Converts interactive PDF form fields into static content to prevent further editing.
- PDF Editors - Offers a programmatic interface to modify PDF metadata, embed fonts, and adjust document content.
- Incremental PDF Updates - Modifies PDF files by appending new data to the end of the file to maintain structural integrity.
- Cross-Platform PDF Engines - Implements a PDF engine that executes consistently across Node.js, Browser, Deno, and mobile environments.
- PDF Vector Graphics - Enables drawing text, images, and vector graphics directly onto PDF pages for custom visual layouts.
- Custom Font Loading - Loads and registers external font data from memory streams for use in PDF rendering.
- Font Subsetting Engines - Extracts only the characters used in a document from font files to optimize the final file size.
- Document Processing - Creation and modification of PDF documents.
