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vfr avatar

vfr/Reader

0
View on GitHub↗
4,253 stele·1,124 fork-uri·Objective-C·6 vizualizăriwww.vfr.org↗

Reader

Reader este un motor de randare PDF pentru iOS și o componentă de interfață utilizator concepută pentru a afișa documente PDF pe platformele Apple. Acesta funcționează ca un vizualizator de documente care permite utilizatorilor să navigheze prin pagini și să interacționeze cu conținutul încorporat.

Framework-ul gestionează fișierele criptate prin solicitarea și verificarea acreditărilor de securitate pentru a debloca fluxurile de documente protejate. Utilizează randarea pe straturi (tiled layer rendering) și procesarea multi-threaded pentru a menține performanța de derulare și responsivitatea.

Sistemul acoperă navigarea în documente prin gesturi și miniaturi, precum și rezolvarea link-urilor interne și externe. De asemenea, include gestionarea stării pentru a salva și restaura semnele de carte și indicii paginilor curente între sesiuni.

Features

  • PDF Rendering Engines - Provides a native rendering engine that decodes PDF data and rasterizes pages for iOS display.
  • Page Traversal - Enables page movement through swiping, edge taps, and a thumbnail browser.
  • PDF Document Management - Implements comprehensive tools for navigating PDF files, including swiping and thumbnail browsing.
  • iOS UI Components - Ships as a reusable UI component for PDF display and state management on Apple platforms.
  • PDF Viewers - Provides a native iOS UI component for rendering and interacting with PDF documents.
  • PDF Framework Integration - Provides a framework for embedding high-performance PDF viewing into iOS applications.
  • Off-Main-Thread Processing - Offloads PDF parsing and page generation to background threads to maintain UI responsiveness.
  • Tiled Bitmap Rendering - Utilizes tiled bitmap rendering to maintain high frame rates during fast document scrolling.
  • Document State Management - Tracks and persists user state such as current page and bookmarks across rendering cycles.
  • PDF Link Resolution - Resolves internal page links and external web addresses embedded within documents.
  • Session State Persistence - Persists the current page index and user bookmarks across sessions for recovery.
  • App State Persistence - Saves and restores page numbers and bookmarks specifically for iOS device sessions.
  • PDF Encryptions and Decryptions - Provides mechanisms to decrypt and unlock password-protected PDF streams for document display.
  • Link-Based Navigation - Implements coordinate-based detection of internal and external links to trigger document navigation.
  • Paging Navigation Systems - Supports document traversal through horizontal swipes and tap gestures for page cycling.
  • Media Processing - PDF document reader with iBooks-like navigation and security.
  • PDF Tools - Core library for PDF reading.

Istoric stele

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Întrebări frecvente

Ce face vfr/reader?

Reader este un motor de randare PDF pentru iOS și o componentă de interfață utilizator concepută pentru a afișa documente PDF pe platformele Apple. Acesta funcționează ca un vizualizator de documente care permite utilizatorilor să navigheze prin pagini și să interacționeze cu conținutul încorporat.

Care sunt principalele funcționalități ale vfr/reader?

Principalele funcționalități ale vfr/reader sunt: PDF Rendering Engines, Page Traversal, PDF Document Management, iOS UI Components, PDF Viewers, PDF Framework Integration, Off-Main-Thread Processing, Tiled Bitmap Rendering.

Care sunt câteva alternative open-source pentru vfr/reader?

Alternativele open-source pentru vfr/reader includ: dimuthuupe/androidpdfviewer — AndroidPdfViewer is a user interface library for Android applications that provides a view for displaying PDF… librepdf/openpdf — OpenPDF is a Java library and document processor used for creating, editing, rendering, and encrypting PDF documents.… py-pdf/pypdf2 — PyPDF2 is a pure Python library for transforming, securing, and extracting data from PDF documents. It provides a… mpdf/mpdf — mPDF is a PHP library that transforms UTF-8 encoded HTML and CSS into formatted PDF documents. It serves as a PDF… kevin2li/pdf-guru — PDF-Guru is an AI-powered document processor and study material converter designed to transform textbooks, research… heshammegid/hmsegmentedcontrol — HMSegmentedControl is a customizable, scrollable selection interface for iOS applications. It serves as a UIKit…

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