GSoC/2020/StatusReports/AshwinDhakaita

Integrating the MyPaint Brush Engine with Krita

Summary

MyPaint developers have separated out their brush engine in the form of a library, libmypaint. Artists like MyPaint brushes a lot and it would be good to integrate the same as a new brush engine within Krita brush engine subsystem.

The project has two objectives:

1. To integrate the MyPaint brush engine in the form of a new brush engine in Krita, enable it to load the MyPaint brushes from system and use them for painting in Krita.
2. To implement a preset editor to edit existing brushes and also create new ones.

By the end of the project, Krita will have a new brush engine that can be used for painting with MyPaint brushes and also create and edit them.

Milestones

• Implement a new brush engine in Krita that can be used for painting.
• Enable Krita to load installed MyPaint brushes from the system.
• Implement a preset editor for editing and creating MyPaint brushes.

Work Report

Milestone 1: Implement a new brush engine in Krita

• Status - Complete
• Duration - 25 May - 29 June

Milestone 2: Enable Krita to load MyPaint Brushes

• Status - Complete
• Duration - 20 June - 29 June

Milestone 3: Implement Preset Editor

• Status - Complete
• Duration - 30 June- 23 July

List of Commits

• Added Libmypaint to Cmake
• Added MyPaint Brush engine to PaintOp Registry
• Added KisMyPaintBrush and KisMyPaintSurface classes
• Added cursor for MyPaintOp
• Implemented Load Methods for KisMyPaintBrush
• Refactored MyPaintOpPlugin to use KisMyPaintOpFactory
• Added Tests for MyPaintOp plugin
• Optimized draw_dab and get_color methods
• Unlinked Libmypaint from libs/image
• Fixed Eraser not working
• Fixed broken build when libmypaint is not installed
• Fix for splatter-04 preset
• Added Classic mypaint brush presets in the default install
• Enable brush Resizing
• Converted Properties to QScopedPointers
• Slight Change in dabrect
• Refactor to make methods non global
• Fix for 1Pixel preset
• Removed unused code from draw_dab
• Rectified Tests for QScopedPointers
• Remove moc include from kis_mypaintop_test
• Added Basic Settings in Preset Editor
• Added Test for Loading MyPaint Brushes
• Added Preset Editor with Advanced Settings
• Synchronised base settings and advanced settings
• Fixed Crash and base option sync issue
• Added Use of EraserMode
• Range Changing Behaviour
• Added Custom Brush Option Type
• Code Review Changes
• Use image projection instead of m_node
• Added antialiasing setting
• Fixed custom input not working
• Change sensor when checkbox is clicked
• Use a separate variable for storing previous time
• use mypaint apis for marking start of the stroke
• added airbrush option
• Added range checking
• Add missing licenses
• Code Cleanup
• Change cursor outline in proportion to offset by random
• Refactored mypaint brush option as KisDynamicSensors
• Remove warning in libmypaint not found
• Fixed crash on smudging on scratchpad
• Fixed broken reloading of MyPaint Brushes

Project Links

• Phabricator Task
• MyPaint Brush Engine Merge Request
• MyPaint Brush Engine Merge Request [Master Branch]

Monthly Status Reports

• Phase 1 Report
• Phase 2 Report

About Me

• Mail ID: [email protected]
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