docs: update implementation plan with Phase 1-10 completion status

Marked all completed features through Phases 1-10:
- Phase 1: Project Foundation 
- Phase 2: Core Canvas Engine 
- Phase 3: History & Undo System 
- Phase 4: Basic Drawing Tools 
- Phase 5: Color System 
- Phase 6: File Operations 
- Phase 7: Image Effects & Filters 
- Phase 8: Advanced Tools  (mostly)
- Phase 9: Image Manipulation 
- Phase 10: UI/UX Polish  (mostly)

Added current status summary showing 83% MVP completion.
Identified remaining work: Text Tool, Advanced Brush Tools,
Performance Optimizations, Accessibility, Testing & Documentation.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
2025-11-21 09:37:03 +01:00
parent 8175ab2fec
commit e463d2e317

View File

@@ -1,5 +1,34 @@
# Paint UI - Implementation Plan
## 📊 Current Status
**Progress**: Phases 1-10 Complete (83% of MVP features) ✅
### ✅ Completed Features
- **Core Foundation**: Next.js 16, React 19, TypeScript, Tailwind CSS 4
- **Canvas Engine**: Multi-layer system with zoom/pan, rulers, blend modes
- **Undo/Redo**: Command pattern with full history support
- **Drawing Tools**: Pencil, Brush (with flow/hardness), Eraser, Fill, Eyedropper
- **Selection Tools**: Rectangle, Ellipse, Lasso, Magic Wand with full operations
- **Transform Tools**: Move, Free Transform, Rotate, Scale, Skew
- **Shape Tools**: Rectangle, Ellipse, Line, Arrow, Polygon, Star, Triangle
- **Color System**: HSV picker, swatches, history, color adjustments
- **File Operations**: Open (drag/drop/paste), Export (PNG/JPG/WEBP), Project files
- **Effects & Filters**: 15+ filters (Blur, Sharpen, Color adjustments, Artistic effects)
- **UI/UX**: Professional layout, Theme toggle, State persistence, Custom scrollbars
### 🚧 In Progress / TODO
- **Text Tool** (Phase 11)
- **Advanced Brush Tools** (Clone Stamp, Healing Brush, Smudge)
- **Performance Optimizations** (Web Workers, Code splitting, Lazy loading)
- **Accessibility** (ARIA labels, Screen reader support)
- **Testing & Documentation** (Phase 12)
### 📅 Last Updated
November 21, 2025 - Fixed fill tool undo/redo functionality
---
## Project Overview
**paint-ui** is a modern browser-based image editor built with Next.js 16 and Tailwind CSS 4, inspired by miniPaint. This is a ground-up rebuild focusing on modern web technologies while preserving the powerful canvas manipulation capabilities.
@@ -150,34 +179,34 @@ paint-ui/
## Implementation Phases
### Phase 1: Project Foundation (Week 1)
### Phase 1: Project Foundation (Week 1) ✅ COMPLETE
**Goals**: Set up development environment and basic project structure
#### Tasks:
1. **Project Initialization**
- [x] Create git repository
- [ ] Initialize Next.js 16 with TypeScript
- [ ] Configure Tailwind CSS 4
- [ ] Set up ESLint + Prettier
- [ ] Configure path aliases (@/ prefix)
- [x] Initialize Next.js 16 with TypeScript
- [x] Configure Tailwind CSS 4
- [x] Set up ESLint + Prettier
- [x] Configure path aliases (@/ prefix)
2. **Core Dependencies**
- [ ] Install Radix UI / Shadcn components
- [ ] Install Zustand for state management
- [ ] Install canvas utilities (pica, file-saver, etc.)
- [ ] Set up Storybook (optional, for component development)
- [x] Install Radix UI / Shadcn components
- [x] Install Zustand for state management
- [x] Install canvas utilities (pica, file-saver, etc.)
- [ ] Set up Storybook (optional, for component development) - SKIPPED
3. **Basic Layout**
- [ ] Create root layout with header/sidebar structure
- [ ] Implement responsive grid layout
- [ ] Add dark/light theme toggle
- [ ] Set up global CSS and Tailwind theme
- [x] Create root layout with header/sidebar structure
- [x] Implement responsive grid layout
- [x] Add dark/light theme toggle
- [x] Set up global CSS and Tailwind theme
4. **TypeScript Types**
- [ ] Define core types (Layer, Canvas, Tool, Effect)
- [ ] Create type definitions for canvas state
- [ ] Set up strict TypeScript config
- [x] Define core types (Layer, Canvas, Tool, Effect)
- [x] Create type definitions for canvas state
- [x] Set up strict TypeScript config
**Deliverables**:
- ✅ Working Next.js dev server
@@ -187,36 +216,36 @@ paint-ui/
---
### Phase 2: Core Canvas Engine (Week 2-3)
### Phase 2: Core Canvas Engine (Week 2-3) ✅ COMPLETE
**Goals**: Build the fundamental canvas rendering and layer system
#### Tasks:
1. **Canvas Manager**
- [ ] Create CanvasWrapper component with refs
- [ ] Implement canvas initialization
- [ ] Add zoom/pan functionality
- [ ] Implement rulers and grid overlay
- [ ] Handle canvas resize events
- [x] Create CanvasWrapper component with refs
- [x] Implement canvas initialization
- [x] Add zoom/pan functionality
- [x] Implement rulers and grid overlay
- [x] Handle canvas resize events
2. **Layer System**
- [ ] Define Layer interface (id, name, visible, opacity, blendMode)
- [ ] Create LayerManager class
- [ ] Implement layer CRUD operations
- [ ] Add layer ordering (move up/down)
- [ ] Implement layer merging/flattening
- [x] Define Layer interface (id, name, visible, opacity, blendMode)
- [x] Create LayerManager class
- [x] Implement layer CRUD operations
- [x] Add layer ordering (move up/down)
- [x] Implement layer merging/flattening
3. **State Management**
- [ ] Set up canvas-store (dimensions, zoom, offset)
- [ ] Set up layer-store (layers array, active layer)
- [ ] Create selectors for derived state
- [ ] Add state persistence (localStorage)
- [x] Set up canvas-store (dimensions, zoom, offset)
- [x] Set up layer-store (layers array, active layer)
- [x] Create selectors for derived state
- [x] Add state persistence (localStorage) - via Zustand persist
4. **Rendering Pipeline**
- [ ] Implement composite rendering (all layers → main canvas)
- [ ] Add blend mode support
- [ ] Optimize rendering with dirty rectangles
- [ ] Implement preview rendering
- [x] Implement composite rendering (all layers → main canvas)
- [x] Add blend mode support
- [ ] Optimize rendering with dirty rectangles - TODO: Performance optimization
- [x] Implement preview rendering
**Deliverables**:
- ✅ Canvas displays correctly
@@ -226,28 +255,31 @@ paint-ui/
---
### Phase 3: History & Undo System (Week 3-4)
### Phase 3: History & Undo System (Week 3-4) ✅ COMPLETE
**Goals**: Implement robust undo/redo functionality
#### Tasks:
1. **History Manager**
- [ ] Design history state structure (snapshots vs commands)
- [ ] Implement undo/redo stack
- [ ] Add history limits (max 50 states)
- [ ] Create history middleware for Zustand
- [x] Design history state structure (snapshots vs commands) - Command pattern
- [x] Implement undo/redo stack
- [x] Add history limits (max 50 states)
- [x] Create history middleware for Zustand
2. **Command Pattern**
- [ ] Create abstract Command class
- [ ] Implement layer commands (Add, Delete, Modify)
- [ ] Implement drawing commands (Paint, Erase, Fill)
- [ ] Add command batching for performance
- [x] Create abstract Command class (BaseCommand)
- [x] Implement layer commands (Add, Delete, Modify)
- [x] Implement drawing commands (Paint, Erase, Fill) - DrawCommand
- [x] Implement move commands - MoveCommand
- [x] Implement transform commands - TransformCommand
- [x] Implement filter commands - FilterCommand
- [ ] Add command batching for performance - TODO: Future optimization
3. **Keyboard Shortcuts**
- [ ] Implement Ctrl+Z (undo)
- [ ] Implement Ctrl+Shift+Z (redo)
- [ ] Add keyboard shortcut manager
- [ ] Create shortcuts config file
- [x] Implement Ctrl+Z (undo)
- [x] Implement Ctrl+Shift+Z (redo)
- [x] Add keyboard shortcut manager
- [x] Create shortcuts config file
**Deliverables**:
- ✅ Undo/redo works for all operations
@@ -256,35 +288,36 @@ paint-ui/
---
### Phase 4: Basic Drawing Tools (Week 4-6)
### Phase 4: Basic Drawing Tools (Week 4-6) ✅ COMPLETE
**Goals**: Implement fundamental drawing capabilities
#### Tasks:
1. **Tool Architecture**
- [ ] Create BaseTool abstract class
- [ ] Define tool lifecycle (activate, deactivate, mouseDown, mouseMove, mouseUp)
- [ ] Implement tool cursor management
- [ ] Add tool settings panel
- [x] Create BaseTool abstract class
- [x] Define tool lifecycle (activate, deactivate, mouseDown, mouseMove, mouseUp)
- [x] Implement tool cursor management
- [x] Add tool settings panel (tool-options bar)
2. **Core Tools**
- [ ] **Pencil Tool** - Basic 1px drawing
- [ ] **Brush Tool** - Variable size/opacity/hardness
- [ ] **Eraser Tool** - Remove pixels
- [ ] **Fill Tool** - Flood fill algorithm
- [ ] **Eyedropper Tool** - Color picker from canvas
- [x] **Pencil Tool** - Basic 1px drawing
- [x] **Brush Tool** - Variable size/opacity/hardness/flow
- [x] **Eraser Tool** - Remove pixels
- [x] **Fill Tool** - Flood fill algorithm with color/opacity
- [x] **Eyedropper Tool** - Color picker from canvas
3. **Selection Tools**
- [ ] **Rectangle Select** - Rectangular selection
- [ ] **Ellipse Select** - Circular selection
- [ ] **Lasso Select** - Freehand selection
- [ ] Selection operations (move, cut, copy, paste)
- [x] **Rectangle Select** - Rectangular selection
- [x] **Ellipse Select** - Circular selection
- [x] **Lasso Select** - Freehand selection
- [x] **Magic Wand** - Color-based selection
- [x] Selection operations (move, cut, copy, paste, fill, stroke, delete)
4. **Tool UI**
- [ ] Tool palette sidebar
- [ ] Tool-specific settings panel
- [ ] Brush preview
- [ ] Size/opacity sliders
- [x] Tool palette sidebar
- [x] Tool-specific settings panel
- [x] Brush preview
- [x] Size/opacity/hardness/flow sliders
**Deliverables**:
- ✅ Can draw with pencil/brush
@@ -294,22 +327,24 @@ paint-ui/
---
### Phase 5: Color System (Week 6-7)
### Phase 5: Color System (Week 6-7) ✅ COMPLETE
**Goals**: Comprehensive color management
#### Tasks:
1. **Color Picker**
- [ ] HSV color wheel component
- [ ] RGB/HSL/Hex input fields
- [ ] Color history/swatches
- [ ] Eyedropper integration
- [x] HSV color wheel component
- [x] RGB/HSL/Hex input fields
- [x] Color history/swatches
- [x] Eyedropper integration
- [x] Alpha/opacity control
2. **Color Management**
- [ ] Primary/secondary color state
- [ ] Color palette presets
- [ ] Recent colors storage
- [ ] Color conversion utilities
- [x] Primary/secondary color state
- [x] Color palette presets
- [x] Recent colors storage
- [x] Color conversion utilities
- [x] Color adjustments (Hue/Saturation/Lightness/Brightness)
**Deliverables**:
- ✅ Functional color picker
@@ -318,33 +353,33 @@ paint-ui/
---
### Phase 6: File Operations (Week 7-8)
### Phase 6: File Operations (Week 7-8) ✅ COMPLETE
**Goals**: Import/export image files
#### Tasks:
1. **File Opening**
- [ ] Drag & drop support
- [ ] File input dialog
- [ ] Clipboard paste (Ctrl+V)
- [ ] URL loading
- [ ] Multiple file formats (PNG, JPG, WEBP, GIF)
- [x] Drag & drop support
- [x] File input dialog
- [x] Clipboard paste (Ctrl+V)
- [ ] URL loading - TODO: Future enhancement
- [x] Multiple file formats (PNG, JPG, WEBP, GIF)
2. **File Saving**
- [ ] Export as PNG/JPG/WEBP
- [ ] Quality settings for lossy formats
- [ ] Transparent background support
- [ ] Export current layer vs all layers
- [x] Export as PNG/JPG/WEBP
- [x] Quality settings for lossy formats
- [x] Transparent background support
- [x] Export current layer vs all layers
3. **Project Files**
- [ ] Save/load project as JSON (with layers)
- [ ] Preserve layer structure
- [ ] Include metadata
- [x] Save/load project as JSON (with layers)
- [x] Preserve layer structure
- [x] Include metadata
4. **EXIF Support**
- [ ] Read EXIF data on import
- [ ] Display EXIF info
- [ ] Preserve EXIF on export (optional)
- [ ] Read EXIF data on import - TODO: Future enhancement
- [ ] Display EXIF info - TODO: Future enhancement
- [ ] Preserve EXIF on export (optional) - TODO: Future enhancement
**Deliverables**:
- ✅ Can open images via drag/drop/paste
@@ -353,122 +388,125 @@ paint-ui/
---
### Phase 7: Image Effects & Filters (Week 8-10)
### Phase 7: Image Effects & Filters (Week 8-10) ✅ COMPLETE
**Goals**: Implement image manipulation effects
#### Tasks:
1. **Effect Architecture**
- [ ] Create BaseEffect class
- [ ] Implement effect preview system
- [ ] Add Web Worker support for heavy effects
- [ ] Create effect parameter UI
- [x] Create BaseEffect class
- [x] Implement effect preview system
- [ ] Add Web Worker support for heavy effects - TODO: Performance optimization
- [x] Create effect parameter UI (FilterDialog)
2. **Color Adjustments**
- [ ] Brightness/Contrast
- [ ] Hue/Saturation/Lightness
- [ ] Levels
- [ ] Curves
- [ ] Auto color correction
- [ ] Invert/Negative
- [x] Brightness/Contrast
- [x] Hue/Saturation/Lightness
- [ ] Levels - TODO: Advanced feature
- [ ] Curves - TODO: Advanced feature
- [x] Auto color correction
- [x] Invert/Negative
3. **Blur Effects**
- [ ] Gaussian Blur
- [ ] Box Blur
- [ ] Motion Blur
- [ ] Zoom Blur
- [x] Gaussian Blur
- [x] Box Blur
- [ ] Motion Blur - TODO: Future enhancement
- [ ] Zoom Blur - TODO: Future enhancement
4. **Artistic Effects**
- [ ] Grayscale
- [ ] Sepia
- [ ] Oil Painting
- [ ] Pencil Sketch
- [ ] Mosaic
- [ ] Pixelate
- [x] Grayscale
- [x] Sepia
- [ ] Oil Painting - TODO: Future enhancement
- [ ] Pencil Sketch - TODO: Future enhancement
- [ ] Mosaic - TODO: Future enhancement
- [x] Pixelate
5. **Distortion Effects**
- [ ] Bulge/Pinch
- [ ] Swirl
- [ ] Ripple
- [ ] Bulge/Pinch - TODO: Future enhancement
- [ ] Swirl - TODO: Future enhancement
- [ ] Ripple - TODO: Future enhancement
6. **Other Effects**
- [ ] Sharpen
- [ ] Edge Detection
- [ ] Emboss
- [ ] Noise/Grain
- [ ] Vignette
- [x] Sharpen
- [x] Edge Detection
- [x] Emboss
- [x] Noise/Grain
- [x] Vignette
**Deliverables**:
-20+ effects implemented
-15+ effects implemented (core set complete)
- ✅ Effect preview working
- Effects run in Web Workers
- ⚠️ Effects run in main thread (Worker optimization TODO)
---
### Phase 8: Advanced Tools (Week 10-12)
### Phase 8: Advanced Tools (Week 10-12) ✅ MOSTLY COMPLETE
**Goals**: Implement advanced editing tools
#### Tasks:
1. **Text Tool**
- [ ] Text rendering on canvas
- [ ] Font family selection
- [ ] Font size/style/weight
- [ ] Text color
- [ ] Text alignment
- [ ] Web font loading
- [ ] Text rendering on canvas - TODO: Phase 11
- [ ] Font family selection - TODO: Phase 11
- [ ] Font size/style/weight - TODO: Phase 11
- [ ] Text color - TODO: Phase 11
- [ ] Text alignment - TODO: Phase 11
- [ ] Web font loading - TODO: Phase 11
2. **Shape Tools**
- [ ] Rectangle (fill/stroke)
- [ ] Ellipse (fill/stroke)
- [ ] Line
- [ ] Arrow
- [ ] Polygon
2. **Shape Tools** ✅ COMPLETE (Phase 10)
- [x] Rectangle (fill/stroke)
- [x] Ellipse (fill/stroke)
- [x] Line
- [x] Arrow
- [x] Polygon
- [x] Star
- [x] Triangle
3. **Advanced Tools**
- [ ] Clone Stamp Tool
- [ ] Healing Brush
- [ ] Blur/Sharpen Tool (brush-based)
- [ ] Smudge Tool
- [ ] Dodge/Burn
- [ ] Clone Stamp Tool - TODO: Future enhancement
- [ ] Healing Brush - TODO: Future enhancement
- [ ] Blur/Sharpen Tool (brush-based) - TODO: Future enhancement
- [ ] Smudge Tool - TODO: Future enhancement
- [ ] Dodge/Burn - TODO: Future enhancement
4. **Transform Tools**
- [ ] Free Transform
- [ ] Rotate
- [ ] Scale
- [ ] Skew
- [ ] Perspective
4. **Transform Tools** ✅ COMPLETE (Phase 9)
- [x] Free Transform
- [x] Rotate
- [x] Scale
- [x] Skew
- [ ] Perspective - TODO: Advanced feature
- [x] Move Tool
**Deliverables**:
- Text tool working with web fonts
- ⚠️ Text tool TODO (Phase 11)
- ✅ Shape tools functional
- ✅ Transform operations smooth
---
### Phase 9: Image Manipulation (Week 12-13)
### Phase 9: Image Manipulation (Week 12-13) ✅ COMPLETE (Integrated with Phase 8-9)
**Goals**: Advanced image operations
#### Tasks:
1. **Canvas Operations**
- [ ] Resize canvas
- [ ] Crop canvas
- [ ] Rotate canvas (90°, 180°, 270°)
- [ ] Flip horizontal/vertical
- [ ] Trim transparent pixels
- [x] Resize canvas
- [x] Crop canvas
- [x] Rotate canvas (90°, 180°, 270°)
- [x] Flip horizontal/vertical
- [ ] Trim transparent pixels - TODO: Utility feature
2. **Image Resize**
- [ ] Resize with quality options
- [ ] Maintain aspect ratio
- [ ] Hermite/Bicubic algorithms
- [ ] Integration with pica library
- [x] Resize with quality options
- [x] Maintain aspect ratio
- [x] Hermite/Bicubic algorithms
- [x] Integration with pica library
3. **Layer Operations**
- [ ] Merge layers
- [ ] Flatten image
- [ ] Duplicate layer
- [ ] Layer from selection
- [x] Merge layers
- [x] Flatten image
- [x] Duplicate layer
- [x] Layer from selection
**Deliverables**:
- ✅ All image operations working
@@ -477,98 +515,125 @@ paint-ui/
---
### Phase 10: UI/UX Polish (Week 13-14)
### Phase 10: UI/UX Polish (Week 13-14) ✅ MOSTLY COMPLETE
**Goals**: Refine user interface and experience
#### Tasks:
1. **Responsive Design**
- [ ] Mobile-friendly layout
- [ ] Touch support for tools
- [ ] Collapsible panels
- [ ] Mobile menu
- [x] Mobile-friendly layout (professional editor layout)
- [ ] Touch support for tools - TODO: Mobile optimization
- [x] Collapsible panels (Resizable panels with state persistence)
- [x] Mobile menu
2. **Accessibility**
- [ ] Keyboard navigation
- [ ] ARIA labels
- [ ] Focus management
- [ ] Screen reader support
- [x] Keyboard navigation (Ctrl+Z, Ctrl+Shift+Z, etc.)
- [ ] ARIA labels - TODO: Accessibility improvements
- [ ] Focus management - TODO: Accessibility improvements
- [ ] Screen reader support - TODO: Accessibility improvements
3. **UI Components**
- [ ] Context menus (right-click)
- [ ] Tooltips
- [ ] Notification system
- [ ] Loading states
- [ ] Error boundaries
- [ ] Context menus (right-click) - TODO: Enhancement
- [x] Tooltips (via Radix UI)
- [ ] Notification system - TODO: Enhancement
- [x] Loading states
- [x] Error boundaries
4. **Performance**
- [ ] Lazy load tools
- [ ] Code splitting
- [ ] Image optimization
- [ ] Bundle size analysis
- [ ] Lazy load tools - TODO: Optimization
- [ ] Code splitting - TODO: Optimization
- [ ] Image optimization - TODO: Optimization
- [ ] Bundle size analysis - TODO: Optimization
**Additional Features Implemented**:
- [x] Dark/Light theme toggle with persistence
- [x] UI state persistence (panel positions, tool selection)
- [x] Professional image editor layout structure
- [x] Tool options bar with context-sensitive controls
- [x] Transparent canvas background support
- [x] Custom scrollbar styling
**Deliverables**:
-Fully responsive on all devices
- Accessible (WCAG 2.1 AA)
- ✅ Fast load times (<3s)
-Professional UI layout
- ⚠️ Accessibility improvements TODO
- ✅ Fast load times with Next.js 16
---
### Phase 11: Advanced Features (Week 14-16)
### Phase 11: Advanced Features (Week 14-16) ⚠️ TODO
**Goals**: Nice-to-have features
#### Tasks:
1. **Animation Support**
#### Priority Tasks for Next Implementation:
1. **Text Tool** ⭐ HIGH PRIORITY
- [ ] Text rendering on canvas
- [ ] Font family selection
- [ ] Font size/style/weight
- [ ] Text color and opacity
- [ ] Text alignment (left/center/right)
- [ ] Web font loading (Google Fonts integration)
- [ ] Text editing/repositioning
2. **Advanced Brush Tools**
- [ ] Clone Stamp Tool
- [ ] Healing Brush
- [ ] Blur/Sharpen Tool (brush-based)
- [ ] Smudge Tool
- [ ] Dodge/Burn
3. **Animation Support** (Future)
- [ ] Frame timeline
- [ ] Frame duplication
- [ ] Onion skinning
- [ ] Export as GIF
- [ ] Export as APNG/WEBP animation
2. **Batch Operations**
4. **Batch Operations** (Future)
- [ ] Apply effect to multiple layers
- [ ] Batch export
- [ ] Actions/macros recording
3. **Plugins/Extensions**
5. **Plugins/Extensions** (Future)
- [ ] Plugin API design
- [ ] Custom tool registration
- [ ] Custom effect registration
**Deliverables**:
- ✅ Basic animation support
- ✅ Plugin system foundation
- ⚠️ Text tool (priority)
- ⚠️ Advanced brush tools
- ⏸️ Animation/batch/plugin features (nice-to-have)
---
### Phase 12: Testing & Documentation (Week 16-18)
### Phase 12: Testing & Documentation (Week 16-18) ⚠️ TODO
**Goals**: Ensure quality and maintainability
#### Tasks:
1. **Testing**
- [ ] Unit tests (Vitest)
- [ ] Integration tests
- [ ] E2E tests (Playwright)
- [ ] Visual regression tests
- [ ] Unit tests (Vitest) - Core utilities and commands
- [ ] Integration tests - Tool interactions
- [ ] E2E tests (Playwright) - Complete workflows
- [ ] Visual regression tests - UI consistency
2. **Documentation**
- [ ] User documentation
- [ ] API documentation
- [ ] Architecture guide
- [ ] Contributing guide
- [x] Implementation plan (this document)
- [ ] User documentation - How to use each tool
- [ ] API documentation - For developers
- [ ] Architecture guide - System design
- [ ] Contributing guide - For contributors
3. **CI/CD**
- [x] Docker configuration
- [ ] GitHub Actions setup
- [ ] Automated testing
- [ ] Build optimization
- [ ] Deployment pipeline
**Deliverables**:
- ✅ 80%+ test coverage
- ✅ Complete documentation
- Automated deployments
- ⚠️ Testing framework TODO
- ⚠️ User documentation TODO
- ⚠️ Automated CI/CD TODO
---