pdfrx

Release pdfium_flutter 0.2.3 and pdfrx 2.4.7

• Updated to pdfium_flutter 0.2.3 so iOS/macOS Swift Package Manager support is recognized by Flutter and pub.dev.

Fix pub.dev dartdoc generation

• Updated to pdfrx_engine 0.4.5 to fix pub.dev documentation generation (#664).
• Updated to pdfium_flutter 0.2.3 so iOS/macOS Swift Package Manager support is recognized by Flutter and pub.dev.
• Added dependency lower bounds required by the current API usage.

Release pdfrx 2.4.5 and pdfrx_engine 0.4.4

• Updated to pdfrx_engine 0.4.4.
• FIXED: Text selection no longer treats generated spaces between distant text runs as huge selectable gaps.
• FIXED: Free text-drag selection now starts at the initial touch-down position, avoiding skipped leading characters on touch devices.
• FIXED: Text selection handles and context menus now keep stable widget identity when selection UI elements appear or disappear.
• FIXED: Nullable cache access in PDF file caching.

Release pdfrx 2.4.4 and related packages

• Updated to pdfrx_engine 0.4.3 and pdfium_flutter 0.2.2.
• FIXED: PdfViewer.selectAllText() no longer attempts text selection before layout is available, avoiding a null-check crash (#654).
• FIXED: PDFium initialization is now tracked on the caller isolate, avoiding repeated initialization attempts after worker-isolate initialization (#655).
• Relaxed dependency constraints for broader compatibility with Flutter package resolution.

• FIXED: Cancel offscreen preview and partial page rendering requests to reduce memory spikes during rapid scrolling or dragging (#604, #626).
• FIXED: Avoid a PdfViewer null-check crash when layout temporarily receives zero-height constraints (#646).
• Added a Firebase Test Lab reproduction test for Android PDFium loading diagnostics (#645).

• Removed dart run pdfrx:remove_wasm_modules. WASM assets are now exclusively bundled with web builds automatically. (#647)

• DOCUMENTED: Added usage guidance for PdfOverlayInteractionRegion in overlay examples.
• DOCUMENTED: Added PdfViewerParams.underflowAnchor guidance to page layout documentation.

• NEW: Added PdfOverlayInteractionRegion for tap-like interactions on page/viewer overlays without blocking viewer pan, zoom, text selection, or link handling (#376).
• NEW: Added PdfViewerParams.underflowAnchor to control how pages are aligned when they are smaller than the viewport (#111).
• FIXED: PdfViewerParams.scaleEnabled: false now also disables Ctrl+mouse wheel and pointer-scale zoom paths (#603).
• DOCUMENTED: Added a dark mode workaround for Flutter's text field selection color issue (#492).
• Improved deprecation messages for legacy PdfViewerParams sizing parameters (#637).

• Fixed a crash when PdfTextSelectionParams.enabled is false and no selection color is provided by the app theme (#644).

• Updated to pdfrx_engine 0.4.2 and pdfium_flutter 0.2.1.
• Fixed PDFium loading in Flutter tests on macOS (#640).

• Updated to pdfrx_engine 0.4.1.
• PdfViewer now supports PdfFontManager to natively support platform's font loading/additional font downloading.

• WASM backend now supports preferRangeAccess (#616).
• Updated PDFium WASM to chromium/7811.

• Updated to pdfrx_engine 0.4.0 and pdfium_flutter 0.2.0.
• Updated native PDFium binaries to chromium/7811.
• Improved native PDFium packaging:
  • Android, Linux, and Windows use Dart native assets.
  • iOS and macOS use the PDFium XCFramework without bundling a duplicate libpdfium.dylib.
  • Flutter Web and other non-code-asset builds skip native PDFium link handling correctly.
• NEW: Pluggable scroll/zoom interaction architecture (#581)
  • PdfViewerScrollInteractionDelegateProviderInstant (default) - instant updates (legacy behavior)
  • PdfViewerScrollInteractionDelegateProviderPhysics - smooth, physics-based animations for mouse wheel and trackpad
  • New parameter PdfViewerParams.scaleByPointerScale to control trackpad pinch/Ctrl+scroll sensitivity
  • Shift+scroll now triggers horizontal scrolling (standard desktop behavior)
• NEW: Pluggable sizing/layout architecture (#582)
  • PdfViewerSizeDelegateProviderLegacy (default) - maintains existing behavior
  • PdfViewerSizeDelegateProviderSmart - responsive resizing with content centering and adaptive scaling
  • PdfViewerZoomStepsDelegate for customizable double-tap zoom snap points
• DEPRECATED: maxScale, minScale, useAlternativeFitScaleAsMinScale, onePassRenderingScaleThreshold, and calculateInitialZoom parameters in PdfViewerParams - use sizeDelegateProvider instead
• NEW: PdfViewerController.maxScale getter
• NEW: PdfViewerController.goToPosition() method

• Updated to pdfrx_engine 0.3.9
• NEW: PdfrxEntryFunctions.stopBackgroundWorker() to stop the background worker thread (#184, #430)

• pdfrx_engine 0.3.8
• NEW: PdfViewerParams.onDocumentLoadFinished callback to notify when document loading completes (or fails)
• Implemented PdfDocumentLoadCompleteEvent for WASM backend

• FIXED: Inconsistent environment constraints - Flutter version now correctly requires 3.35.1+ to match Dart 3.9.0 requirement (#553)

• Updated to pdfrx_engine 0.3.7 and pdfium_flutter 0.1.8
• IMPROVED: Add isDirty flag to page image cache to prevent cache removal before re-rendering page (#567)
• FIXED: round10BitFrac should not process Infinity or NaN (#550)
• Updated Gradle wrapper to version 8.12 and Android plugin to version 8.9.1
• WIP: Adding PdfDocument.useNativeDocumentHandle/reloadPages

• FIXED: Dependency conflicts with dart_pubspec_licenses causing version resolution failures (#563, #570)
  • Removed dart_pubspec_licenses dependency and reimplemented package path resolution internally
  • This resolves conflicts with pana, meta, lints, and analyzer package versions

• Updated to pdfrx_engine 0.3.6
• FIXED: Trackpad and mouse wheel boundary issues on Web (#547, #548)
• FIXED: _setZoom now properly sets boundaryMargins
• NEW: Ctrl+wheel zoom logic can be enabled on Web (#538)
• NEW: PdfDateTime extension type for PDF date string parsing
• NEW: PdfAnnotation class for PDF annotation metadata extraction (#546)

• Updated to pdfrx_engine 0.3.4
• NEW: Progressive loading helper functions - ensureLoaded() and waitForLoaded()
• NEW: PdfPageStatusChange.page property for easier access to updated page instances
• NEW: Added comprehensive Progressive Loading documentation

• FIXED: Focus context retrieval issue in PdfViewerKeyHandler (#518)

• Minor changes.

• FIXED: PdfTextSearcher not in sync on PdfDocument update (#515)
• FIXED: Focus.of -> Focus.maybeOf to prevent exceptions when FocusNode is not available (#518)
• FIXED: Crash when opening an empty PDF - now treated as a valid PDF to keep consistency with existing editing feature (#544)
• FIXED: PdfViewerParams.onGeneralTap one-click not working (#540)
• IMPROVED: Document reference comparison now uses key for better consistency (#543)

• FIXED: Package incorrectly showing as web-only on pub.dev due to incorrect Flutter plugin platform declarations (#535)

• FIXED: Magnifier content location calculated incorrectly (#532)
• NEW: Added PdfViewerController.localToDocument() and PdfViewerController.documentToLocal() methods for coordinate conversion
• Updated to pdfrx_engine 0.3.3

• Updated to pdfrx_engine 0.3.0

• NEW: PdfDocument now supports page re-arrangement and accepts PdfPage instances from other documents, enabling PDF combine/merge functionality
• Added pdf_combine app example demonstrating PDF merging capabilities
• Updated to pdfrx_engine 0.2.4

• PdfViewer.uri now supports timeout parameter (#508)

• Added configurable timeout parameter to PdfDocument.openUri and pdfDocumentFromUri functions (#509)
• Updated to pdfrx_engine 0.2.3

• Experimental iOS/macOS direct symbol lookup to address SwiftPM TestFlight/App Store symbol lookup issues (#501)
• pdfrxFlutterInitialize() now internally calls WidgetsFlutterBinding.ensureInitialized() - no need to call it explicitly
• Updated to pdfrx_engine 0.2.2

• FIXED: SwiftPM/pod package structure updates for iOS/macOS (#501)
• Updated to pdfrx_engine 0.2.1

• POSSIBLE FIX: Error on openFile() or openAsset() on iOS production builds installed from AppStore/TestFlight (#501)

• FIXED: InteractiveViewer ScrollPhysics pinch-zoom centering issues (#502)

• FIXED: PDF not visible initially if _alternativeFitScale is null (#495)

• BREAKING: Renamed PdfrxEntryFunctions.initPdfium() to PdfrxEntryFunctions.init() for consistency
• NEW: Added dart run pdfrx:remove_darwin_pdfium_modules command to remove PDFium dependencies from iOS/macOS when using alternative backends like pdfrx_coregraphics
• Updated to pdfrx_engine 0.2.0

• FIXED: PDF not visible initially when loading takes relatively long (#495)

• FIXED: Added ArrayBuffer fallback when WebAssembly.instantiateStreaming fails (e.g. missing application/wasm MIME type) (#405, #493)

• FIXED: Strange zooming out behavior (#490)

• FIXED: WASM+Safari StringBuffer issue with workaround (#483)
• Introduces PdfDocumentRefKey for more flexible PdfDocumentRef identification
• Updated to pdfrx_engine 0.1.21

• NEW: Introducing PdfViewerController.zoomOnLocalPosition and its variants for consistent zooming on cursor/finger position (#486, #462)
• PdfViewer now handles Ctrl+wheel to zoom up/down (#486)

• FIXED: Web compatibility issue where dart:io was imported in public-facing code

• Added PdfViewerParams.scrollPhysics and PdfViewerParams.scrollPhysicsScale so you can plug in custom ScrollPhysics for both panning and pinch-zoom interactions
  • PR #481, #482, #484, #485 by enhancient
• FIXED: regression where dart run pdfrx:remove_wasm_modules failed with dart_pubspec_licenses 3.0.12 (#443).

• Maintenance release: applied dart format to keep code integrity with Dart 3.9/Flutter 3.29 tooling.

• Remove broken docImport not to crash dartdoc (dart-lang/dartdoc#4106)

• FIXED: dart run pdfrx:remove_wasm_modules could fail with "Too many open files" during WASM cleanup (#476)
• Updated dependencies, including pdfrx_engine 0.1.18

• #474 Add PdfrxEntryFunctions.initPdfium to explicitly call FPDF_InitLibraryWithConfig and pdfrxInitialize/pdfrxFlutterInitialize internally call it
• #474 Add PdfrxEntryFunctions.suspendPdfiumWorkerDuringAction
• Documentation improvements for low-level PDFium bindings access/PDFium interoperability and initialization
• Updated to pdfrx_engine 0.1.17

• FIXED: Package.swift does not point to pdfium-apple-v11 dependencies correctly
• More error handling logic for improved stability (#468)
• Updated to pdfrx_engine 0.1.16

• Enhance podspec script to check for existing PDFium frameworks before downloading (#396, #460)
  • Improves build performance by avoiding redundant downloads of PDFium frameworks on iOS/macOS

• FIXED: #443 dart run pdfrx:remove_wasm_modules failure

• BREAKING: API changes in text loading methods - loadText() and loadTextCharRects() are now integrated into loadText() (#434)
• FIXED: PDF link positioning errors that caused misplaced clickable areas (#458)
• Updated to pdfrx_engine 0.1.15

• NEW: Experimental support for dynamic font installation on native platforms to handle missing fonts in PDFs (#456)
  • Example viewer has missing font support using Noto Sans/Serif on Google Fonts (For production use, please take care of your license integrity)
• iOS/macOS uses pdfium-apple-v11 (chromium/7390)
• Updated to pdfrx_engine 0.1.14

• NEW: Add dismissPdfiumWasmWarnings to pdfrxFlutterInitialize to optionally hide WASM warnings in debug (#452)
• FIXED: Remove use of .orCancel on animateTo to prevent animation cancellation errors (#454)

• Replace deprecated Matrix4 methods (translate -> translateByDouble, scaled -> scaledByDouble) for improved numerical precision

• FIXED: Unstoppable key-repeat on certain keys

• Refactor InteractiveViewer to use Matrix4 double variants for better numerical precision

• DOCS: Document initialization for Flutter (pdfrxFlutterInitialize) and link to non-Flutter initialization (pdfrxInitialize). Closes #447
• No functional changes

• FIXED: PdfDocumentViewBuilder was incorrectly reloading document on every widget change (#439)

• FIXED: Text coordinate calculation when CropBox/MediaBox has non-zero origin (#441)
• Add support for dynamic font loading in WASM with PdfDocumentMissingFontsEvent
• Improve WASM stability and font handling mechanisms
• Update pdfrx_engine dependency to 0.1.13