custom_pdf_editor 0.1.0

Flutter PDF viewer and on-canvas text editor for iOS (native PDFKit), plus PDF↔Word conversion. Requires a companion self-hosted backend (included in server/).

Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

0.1.0 - 2026-07-10

Added

Core Features

• Initial release of Custom PDF Editor plugin (iOS only)
• PDF viewing with zoom, pan, and navigation controls
• High-performance rendering using native PDFKit (iOS)
• On-canvas text editing (AdvancedPdfEditorWidget): tap a line to edit it in place with the original font/size/colour; shrink-to-fit prevents overlap; edits are batched and applied in one backend call on save
• PDF ↔ Word conversion (PdfConversionService)
• PDF compression (PdfCompressionService) with low/medium/high levels
• Paragraph editor (ParagraphEditorWidget, beta): Acrobat-style block mode — drag/resize paragraphs, edit text, and change size/colour/bold/italic/alignment, baked with reflow via the backend insert_htmlbox
• Comprehensive PdfController for managing PDF operations
• Platform view integration for seamless Flutter embedding

Configuration

• backendUrl is required on AdvancedPdfEditorWidget / DocxEditorWidget and baseUrl on the services — point them at your own self-hosted backend (server/). No backend URL is bundled.

iOS Features (PDFKit)

• Full PDF viewer implementation with PDFView
• Thumbnail navigation panel
• Text search with highlighting
• Page navigation (previous/next, go to page)
• Zoom controls with configurable min/max
• Dark mode support
• Toolbar with customizable tools

Annotation System

• Highlight annotations with customizable colors
• Ink/drawing annotations with PencilKit integration
• Shape annotations (squares, circles)
• Free text notes
• Stamps and signatures support
• Customizable annotation properties (color, opacity, border width)
• Add, remove, and update annotations

Text Editing

• Add text anywhere on PDF pages
• Custom text styling (font, size, color)
• Text alignment (left, center, right, justified)
• Bold and italic styles

Image Handling

• Insert images at any position
• Image resizing and positioning
• Support for common image formats

Document Management

• Load PDF from file path or bytes
• Save PDF to file or get as bytes
• Password-protected PDF support
• Document metadata extraction

Page Operations

• Delete and rotate pages

Platform Support

• ✅ iOS 12.0+
• ❌ Android — not yet implemented

[Unreleased]

Planned

• Enhanced Android implementation
• Web and desktop support
• OCR and redaction tools
• Digital signatures
• Form builder UI