Tencent/libpag
Feb 2025 – Jan 2026
11 Months active
Languages Used
C++BashBatchCCMakeJavaScriptMarkdownObjective-C
Technical Skills
Bug FixingC++Software DevelopmentBuild SystemBuild System ConfigurationCMake
markffan
PROFILE
Markffan
Mark Fan developed and enhanced the Tencent/libpag repository over 11 months, delivering 27 features and resolving 10 bugs across cross-platform desktop applications. He focused on building and refining the PAG Viewer and After Effects export plugin, implementing features such as image and text layer editing, performance benchmarking, and robust export workflows. Using C++, QML, and CMake, Mark modernized the build system, improved UI responsiveness, and enabled internationalization and automated updates. His work emphasized maintainability through code refactoring, type safety, and improved error handling, resulting in a more reliable, scalable, and user-friendly asset management and media processing toolchain.
Overall Statistics
Feature vs Bugs
73%Features
Repository Contributions
48Total
Bugs
10
Commits
48
Features
27
Lines of code
75,976
Activity Months11
Your Network
179 peopleSame Organization
@tencent.com165
abushwangMember
LB7666Member
aiyiwang2025Member
Hua TianMember
alcheminMember
Jinliang ZhengMember
amintongMember
aoyuliMember
AsherMember
Work History
January 2026
4 Commits • 3 Features
Jan 1, 2026January 2026 (Tencent/libpag): Implemented key platform enhancements and reliability fixes that reduce maintenance burden, strengthen release quality, and enable faster issue resolution. Highlights include external Qt resource loading for PAGExporter, release-build debugging symbol generation for PAGViewer and PAGExporter, updated developer documentation, and Windows build reliability improvements for H264EncoderTools.
4 Commits • 3 Features
Jan 1, 2026January 2026 (Tencent/libpag): Implemented key platform enhancements and reliability fixes that reduce maintenance burden, strengthen release quality, and enable faster issue resolution. Highlights include external Qt resource loading for PAGExporter, release-build debugging symbol generation for PAGViewer and PAGExporter, updated developer documentation, and Windows build reliability improvements for H264EncoderTools.
January 2026
December 2025
12 Commits • 3 Features
Dec 1, 2025December 2025 — Tencent/libpag: Cross‑platform reliability, exporter UX, and editor enhancements. Delivered a redesigned export workflow with a dedicated export window/panel, progress tracking, and UI refinements; stabilized AE export with frame rate, gradient, and mask fixes; updated CI to macOS 14; added viewer audio playback with UI improvements; resolved Windows-specific path encoding and video decoding issues; added robustness for AE data retrieval and fixed exporter resource paths and macOS target. These changes reduce export failures, improve editor efficiency, and broaden platform support.
December 2025
12 Commits • 3 Features
Dec 1, 2025December 2025 — Tencent/libpag: Cross‑platform reliability, exporter UX, and editor enhancements. Delivered a redesigned export workflow with a dedicated export window/panel, progress tracking, and UI refinements; stabilized AE export with frame rate, gradient, and mask fixes; updated CI to macOS 14; added viewer audio playback with UI improvements; resolved Windows-specific path encoding and video decoding issues; added robustness for AE data retrieval and fixed exporter resource paths and macOS target. These changes reduce export failures, improve editor efficiency, and broaden platform support.
November 2025
6 Commits • 5 Features
Nov 1, 2025November 2025 (Tencent/libpag) delivered focused viewer UX and performance improvements, expanded media capabilities, and strengthened packaging/export tooling, driving better user experience, broader format support, and more reliable build/deploy processes. The month emphasized optimizing data update handling, enabling video replacement of placeholder layers, stabilizing playback during window resizing, and enabling sequences/image bytes export with a configurable exporter UI. These changes reduce unnecessary UI resets, enhance first-frame display, and improve localization/resource management for broader deployment.
6 Commits • 5 Features
Nov 1, 2025November 2025 (Tencent/libpag) delivered focused viewer UX and performance improvements, expanded media capabilities, and strengthened packaging/export tooling, driving better user experience, broader format support, and more reliable build/deploy processes. The month emphasized optimizing data update handling, enabling video replacement of placeholder layers, stabilizing playback during window resizing, and enabling sequences/image bytes export with a configurable exporter UI. These changes reduce unnecessary UI resets, enhance first-frame display, and improve localization/resource management for broader deployment.
November 2025
October 2025
4 Commits • 1 Features
Oct 1, 2025October 2025 monthly summary for Tencent/libpag. Focused on delivering robustness and performance improvements in the AE Exporter/Viewer and fixing rendering attribute conversion issues to ensure accurate display and stable rendering across revisions.
October 2025
4 Commits • 1 Features
Oct 1, 2025October 2025 monthly summary for Tencent/libpag. Focused on delivering robustness and performance improvements in the AE Exporter/Viewer and fixing rendering attribute conversion issues to ensure accurate display and stable rendering across revisions.
September 2025
3 Commits • 1 Features
Sep 1, 2025September 2025 monthly summary for Tencent/libpag focusing on enabling cross-platform packaging and localization readiness for PAGViewer, while hardening file-processing reliability. Delivered foundational internationalization and stability to support global distribution and data integrity.
3 Commits • 1 Features
Sep 1, 2025September 2025 monthly summary for Tencent/libpag focusing on enabling cross-platform packaging and localization readiness for PAGViewer, while hardening file-processing reliability. Delivered foundational internationalization and stability to support global distribution and data integrity.
September 2025
August 2025
2 Commits • 2 Features
Aug 1, 2025Monthly summary for 2025-08 (Tencent/libpag). Key features delivered: PAG Viewer Performance Benchmarking and Automatic Update Checking/Installation (Sparkle/WinSparkle). Major bugs fixed: none reported for this scope. Overall impact: delivered measurable performance insights for PAG files and a streamlined update experience, improving reliability and time-to-value for developers, QA, and end users. Technologies and skills demonstrated: cross-platform UI/backend benchmarking, asset creation for UI, Sparkle/WinSparkle-based auto-update integration, opt-in beta workflows, and configurable update checks.
August 2025
2 Commits • 2 Features
Aug 1, 2025Monthly summary for 2025-08 (Tencent/libpag). Key features delivered: PAG Viewer Performance Benchmarking and Automatic Update Checking/Installation (Sparkle/WinSparkle). Major bugs fixed: none reported for this scope. Overall impact: delivered measurable performance insights for PAG files and a streamlined update experience, improving reliability and time-to-value for developers, QA, and end users. Technologies and skills demonstrated: cross-platform UI/backend benchmarking, asset creation for UI, Sparkle/WinSparkle-based auto-update integration, opt-in beta workflows, and configurable update checks.
June 2025
3 Commits • 3 Features
Jun 1, 2025In June 2025, the libpag team focused on enhancing end-user editing workflows, cleaning up the API surface, and increasing visibility into performance. Key work centered on image-layer editing inside the viewer, API refactoring with granular signaling, and instrumentation for performance profiling. These efforts collectively improve asset iteration speed, reduce maintenance risk, and enable data-driven optimizations across rendering and memory usage.
3 Commits • 3 Features
Jun 1, 2025In June 2025, the libpag team focused on enhancing end-user editing workflows, cleaning up the API surface, and increasing visibility into performance. Key work centered on image-layer editing inside the viewer, API refactoring with granular signaling, and instrumentation for performance profiling. These efforts collectively improve asset iteration speed, reduce maintenance risk, and enable data-driven optimizations across rendering and memory usage.
June 2025
May 2025
4 Commits • 3 Features
May 1, 2025May 2025 monthly summary for Tencent/libpag highlighting UX and data model enhancements in the PAG viewer, dependencies modernization, and improved editing capabilities. Focused on delivering business value through more reliable updates, improved file structure inspection, and richer text editing features for end users.
May 2025
4 Commits • 3 Features
May 1, 2025May 2025 monthly summary for Tencent/libpag highlighting UX and data model enhancements in the PAG viewer, dependencies modernization, and improved editing capabilities. Focused on delivering business value through more reliable updates, improved file structure inspection, and richer text editing features for end users.
April 2025
6 Commits • 4 Features
Apr 1, 2025April 2025 monthly summary for Tencent/libpag: Delivered a strong blend of user-facing UI improvements, expanded export capabilities, and reliability/code-quality enhancements that directly boost usability, workflow efficiency, and maintainability. The work focused on enabling richer interaction with the viewer, versatile export options, and safer, clearer code, aligning with business goals of faster asset iteration, broader format support, and reduced runtime risk.
6 Commits • 4 Features
Apr 1, 2025April 2025 monthly summary for Tencent/libpag: Delivered a strong blend of user-facing UI improvements, expanded export capabilities, and reliability/code-quality enhancements that directly boost usability, workflow efficiency, and maintainability. The work focused on enabling richer interaction with the viewer, versatile export options, and safer, clearer code, aligning with business goals of faster asset iteration, broader format support, and reduced runtime risk.
April 2025
March 2025
3 Commits • 2 Features
Mar 1, 2025March 2025 focused on modernizing Tencent/libpag with the PAG viewer foundation and Qt6 migration, enabling auto-updates and a scalable UI. Key changes include renaming the old qt directory to viewer, integrating Sparkle (macOS) and WinSparkle (Windows) for auto-update, removing Qt5 dependencies in favor of Qt6, and delivering the PAG viewer main window with core playback controls and a structured QML setup. This work lays the groundwork for a seamless cross-platform release model and improved user experience.
March 2025
3 Commits • 2 Features
Mar 1, 2025March 2025 focused on modernizing Tencent/libpag with the PAG viewer foundation and Qt6 migration, enabling auto-updates and a scalable UI. Key changes include renaming the old qt directory to viewer, integrating Sparkle (macOS) and WinSparkle (Windows) for auto-update, removing Qt5 dependencies in favor of Qt6, and delivering the PAG viewer main window with core playback controls and a structured QML setup. This work lays the groundwork for a seamless cross-platform release model and improved user experience.
February 2025
1 Commits
Feb 1, 2025February 2025 — Tencent/libpag: Delivered a focused bug fix and improvements to PAGExporter to ensure correct default scale mode application and consistent image rendering across exports. Refactored ImageReplacement and added a getDefaultScaleMode utility to standardize behavior and improve reliability of exported outputs.
1 Commits
Feb 1, 2025February 2025 — Tencent/libpag: Delivered a focused bug fix and improvements to PAGExporter to ensure correct default scale mode application and consistent image rendering across exports. Refactored ImageReplacement and added a getDefaultScaleMode utility to standardize behavior and improve reliability of exported outputs.
February 2025
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Quality Metrics
Correctness88.6%
Maintainability82.8%
Architecture83.2%
Performance80.2%
AI Usage25.0%
Skills & Technologies
Programming Languages
BashBatchCC++CMakeJSONJavaScriptMarkdownObjective-CPowerShell
Technical Skills
After Effects Plugin DevelopmentApplication DevelopmentAsset ManagementAudio ProcessingBug FixBug FixingBuild SystemBuild System (CMake)Build System ConfigurationBuild SystemsC++C++ DevelopmentC++ developmentCI/CDCMake
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