Sebastian Krüger 5f389c7b71 feat(phase-13): implement canvas resize dialog with multiple methods
Add comprehensive canvas resize functionality with three resize methods.

Features:
- Canvas Size dialog accessible from Image menu
- Three resize methods:
  * Scale: Stretch/shrink content to fit new size
  * Crop: Crop or center content without scaling
  * Expand: Expand canvas, center existing content
- Maintain aspect ratio toggle with link/unlink button
- Dimension validation (1-10000 pixels)
- Real-time preview of new dimensions
- Applies to all layers simultaneously
- Toast notifications for success/errors

Changes:
- Created components/modals/canvas-resize-dialog.tsx
- Added "Canvas Size..." menu item to Image menu
- Integrated with useLayerStore for layer updates
- Uses toast utility for user feedback
- Validates dimensions before applying
- Supports linked/unlinked aspect ratio

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

Co-Authored-By: Claude <noreply@anthropic.com>
2025-11-21 20:09:52 +01:00

Paint UI

A modern, browser-based image editor built with Next.js 16 and Tailwind CSS 4. Inspired by miniPaint, reimagined for the modern web.

Features (Planned)

  • 🎨 Multi-layer Canvas - Professional layer system with blend modes
  • 🖌️ Drawing Tools - Pencil, brush, eraser, fill, and selection tools
  • Image Effects - 50+ filters and effects (blur, sharpen, color adjustments)
  • 📝 Text Tool - Add text with web fonts
  • 🔄 Undo/Redo - Full history system
  • 💾 File Support - Open/save PNG, JPG, WEBP, GIF, and project files
  • 🎭 Dark Mode - Beautiful dark and light themes
  • ⌨️ Keyboard Shortcuts - Power user friendly
  • 📱 Responsive - Works on desktop, tablet, and mobile

Tech Stack

  • Framework: Next.js 16 (App Router)
  • UI: React 19 + TypeScript
  • Styling: Tailwind CSS 4
  • Components: Radix UI / Shadcn
  • State: Zustand
  • Canvas: HTML5 Canvas API + Web Workers

Getting Started

Prerequisites

  • Node.js 20+
  • pnpm 9+

Installation

# Clone repository
git clone ssh://git@dev.pivoine.art:2222/valknar/paint-ui.git
cd paint-ui

# Install dependencies
pnpm install

# Run development server
pnpm dev

Open http://localhost:3000 in your browser.

Documentation

Inspiration

This project is inspired by miniPaint, an excellent open-source image editor. While paint-ui is a complete rewrite with modern technologies, we aim to preserve the powerful capabilities that make miniPaint great.

License

MIT

Author

valknar

Repository

https://dev.pivoine.art/valknar/paint-ui

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