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172 lines
8.0 KiB
Markdown
172 lines
8.0 KiB
Markdown
<h1 align="center">LayerForge – Advanced Canvas Editor for ComfyUI 🎨</h1>
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<p align="center"><i>LayerForge is an advanced canvas node for ComfyUI, providing a Photoshop-like layer-based editing experience directly within your workflow. It extends the concept of a simple canvas with multi-layer support, masking, blend modes, precise transformations, and seamless integration with other nodes.</i></p>
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<p align="center">
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<a href="https://registry.comfy.org/publishers/azornes/nodes/layerforge">
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<img alt="Downloads" src="https://img.shields.io/badge/dynamic/json?color=2F80ED&label=Downloads&query=$.downloads&url=https://api.comfy.org/nodes/layerforge&style=for-the-badge">
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</a>
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<a href="https://visitorbadge.io/status?path=https%3A%2F%2Fgithub.com%2FAzornes%2FComfyui-LayerForge">
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<img src="https://api.visitorbadge.io/api/combined?path=https%3A%2F%2Fgithub.com%2FAzornes%2FComfyui-LayerForge&countColor=%2337d67a&style=for-the-badge&labelStyle=none" />
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</a>
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<img alt="Python 3.10+" src="https://img.shields.io/badge/-Python_3.10+-4B8BBE?logo=python&logoColor=FFFFFF&style=for-the-badge&logoWidth=20">
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<img alt="JavaScript" src="https://img.shields.io/badge/-JavaScript-000000?logo=javascript&logoColor=F7DF1E&style=for-the-badge&logoWidth=20">
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</p>
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### Why LayerForge?
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- **Full Creative Control:** Move beyond simple image inputs. Composite, mask, and blend multiple elements without
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leaving ComfyUI.
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- **Intuitive UI:** Familiar controls like drag-and-drop, keyboard shortcuts, and a pannable/zoomable viewport make
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editing fast and easy.
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---
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https://github.com/user-attachments/assets/0f557d87-fd5e-422b-ab7e-dbdd4cab156c
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## ✨ Key Features
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- **Persistent & Stateful:** Your work is automatically saved to the browser's IndexedDB, preserving your full canvas
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state (layers, positions, etc.) even after a page reload.
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- **Multi-Layer Editing:** Add, arrange, and manage multiple image layers with z-ordering.
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- **Advanced Masking Tool:** A dedicated masking mode with adjustable brush size, strength, and softness. Masks have
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their own separate undo/redo history.
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- **Full Transformation Controls:** Precisely move, scale, and rotate layers with mouse or keyboard shortcuts.
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- **Blend Modes & Opacity:** Apply 12 common blend modes (`Overlay`, `Multiply`, etc.) and adjust opacity on a per-layer
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basis via a context menu.
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- **Comprehensive Undo/Redo:** Full history support for both layer manipulations and mask drawing.
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- **Seamless I/O:**
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- **Drag & Drop** image files to create new layers.
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- **Copy & Paste** images directly from your system clipboard.
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- Import the last generated image from your workflow with one click.
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- **AI-Powered Matting:** Optional background removal for any layer using the `BiRefNet` model.
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- **Efficient Memory Management:** An automatic garbage collection system cleans up unused image data to keep the
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browser's storage footprint low.
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- **Workflow Integration:** Outputs a final composite **image** and a combined alpha **mask**, ready for any other
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ComfyUI node.
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---
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## 🚀 Installation
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1. Install [ComfyUi](https://github.com/comfyanonymous/ComfyUI).
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2. Clone this repo into `custom_modules`:
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```bash
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cd ComfyUI/custom_nodes/
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git clone https://github.com/Azornes/Comfyui-LayerForge.git
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```
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3. Start up ComfyUI.
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---
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---
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## 🧪 Workflow Example
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For a quick test of **LayerForge**, you can try the example workflow provided below. It demonstrates a basic compositing setup using the node.
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**🔗 Download Example Workflow**
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---
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## 🎮 Controls & Shortcuts
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### Canvas Control
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| Action | Description |
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|------------------------------|----------------------------|
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| `Click + Drag` | Pan canvas view |
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| `Mouse Wheel` | Zoom view in/out |
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| `Shift + Click (background)` | Start resizing canvas area |
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| `Shift + Ctrl + Click` | Start moving entire canvas |
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| `Double Click (background)` | Deselect all layers |
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### Clipboard & I/O
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| Action | Description |
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|--------------------------|-------------------------------------------------|
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| `Ctrl + C` | Copy selected layer(s) |
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| `Ctrl + V` | Paste from clipboard (image or internal layers) |
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| `Drag & Drop Image File` | Add image as a new layer |
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### Layer Interaction
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| Action | Description |
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|-----------------------|---------------------------------|
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| `Click + Drag` | Move selected layer(s) |
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| `Ctrl + Click` | Add/Remove layer from selection |
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| `Alt + Drag` | Clone selected layer(s) |
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| `Shift + Click` | Show blend mode & opacity menu |
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| `Mouse Wheel` | Scale layer (snaps to grid) |
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| `Ctrl + Mouse Wheel` | Fine-scale layer |
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| `Shift + Mouse Wheel` | Rotate layer by 5° |
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| `Arrow Keys` | Nudge layer by 1px |
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| `Shift + Arrow Keys` | Nudge layer by 10px |
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| `[` or `]` | Rotate by 1° |
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| `Shift + [` or `]` | Rotate by 10° |
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| `Delete` | Delete selected layer(s) |
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### Transform Handles (on selected layer)
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| Action | Description |
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|------------------------|------------------------------------------|
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| `Drag Corner/Side` | Resize layer |
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| `Drag Rotation Handle` | Rotate layer |
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| `Hold Shift` | Keep aspect ratio / Snap rotation to 15° |
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| `Hold Ctrl` | Snap to grid |
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### Mask Mode
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| Action | Description |
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|------------------------------|-----------------------------------------------------------------------|
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| `Click + Drag` | Paint on the mask |
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| `Middle Mouse Button + Drag` | Pan canvas view |
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| `Mouse Wheel` | Zoom view in/out |
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| **Brush Controls** | Use sliders to control brush **Size**, **Strength**, and **Softness** |
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| **Clear Mask** | Remove the entire mask |
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| **Exit Mode** | Click the "Draw Mask" button again |
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## 🧠 Optional: Matting Model (for image cutout)
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The "Matting" feature allows you to automatically generate a cutout (alpha mask) for a selected layer. This is an
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optional feature and requires a model.
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> - **Model Name**: `BiRefNet`
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> - **Download from**:
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>
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- [Hugging Face](https://huggingface.co/ZhengPeng7/BiRefNet/tree/main) (Recommended)
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> - [Google Drive](https://drive.google.com/drive/folders/1BCLInCLH89fmTpYoP8Sgs_Eqww28f_wq?usp=sharing)
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> - **Installation Path**: Place the model file in `ComfyUI/models/BiRefNet/`.
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---
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## 📜 License
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This project is licensed under the MIT License. Feel free to use, modify, and distribute.
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---
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---
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## 🐞 Known Issue:
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### `node_id` not auto-filled → black output
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In some cases, **ComfyUI doesn't auto-fill the `node_id`** when adding a node.
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As a result, the node may produce a **completely black image** or not work at all.
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**Workaround:**
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* Search node ID in ComfyUI settings.
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* In NodesMap check "Enable node ID display"
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* Manually enter the correct `node_id` (match the ID shown in the UI).
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⚠️ This is a known issue and not yet fixed.
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Please follow the steps above if your output is black or broken.
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---
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Based on the original [**Comfyui-Ycanvas**](https://github.com/yichengup/Comfyui-Ycanvas) by yichengup. This fork
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significantly enhances the editing capabilities for practical compositing workflows inside ComfyUI.
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