ComfyUI-SVGFullfill

A ComfyUI custom node that enables SVG file integration and editing. This node allows you to upload SVG files, preview them in real-time, replace images and text elements within the SVG, and export the result as a PNG image.

Features

🖼️ SVG file upload and preview

🔄 Replace up to 3 images in SVG

✏️ Edit up to 10 text elements in SVG

🈯 Full Chinese text support

🖼️ Real-time canvas preview

📤 PNG export

Installation

Clone this repository to your ComfyUI custom_nodes directory:

cd ComfyUI/custom_nodes
git clone https://github.com/YourUsername/ComfyUI-SVGFullfill.git

Install the required dependencies:

pip install cairosvg Pillow

Copy your fonts into the font directory:

cd ComfyUI-SVGFullfill
mkdir font
# Copy your .ttf or .otf fonts into the font directory

Usage

SVG Requirements

Your SVG file should:

Have text elements with id attributes like text1, text2, etc., for text replacement

Have elements for image replacement

Use UTF-8 encoding (especially important for Chinese text)

Example SVG structure:

<svg xmlns="http://www.w3.org/2000/svg" width="800" height="600">
    <text id="text1">Replaceable Text 1</text>
    <text id="text2">替换文本2</text>
    <image x="10" y="10" width="200" height="200" />
</svg>

Nodes

The extension provides two main nodes:

SVG Uploader

Allows SVG file upload

Provides real-time canvas preview

Outputs SVG content to SVG Editor

SVG Editor

Accepts SVG file input from SVG Uploader

Has optional inputs for 3 images and 10 text replacements

Outputs the final PNG image

Workflow Example

Add SVG Uploader node

Add SVG Editor node

Connect SVG Uploader’s output to SVG Editor’s input

Upload your SVG file using the SVG Uploader

Connect your images to SVG Editor’s image inputs (optional)

Input text replacements in SVG Editor (optional)

Run the workflow to get your final image

Example Workflow

graph TD
    A[SVG Uploader] -->|SVG File| B[SVG Editor]
    C[Image 1] -->|Optional| B
    D[Image 2] -->|Optional| B
    E[Image 3] -->|Optional| B
    B -->|Final Image| F[Output]

Font Support

To use custom fonts (especially for Chinese text):

Place your .ttf or .otf font files in the font directory

The fonts will be automatically detected and used for rendering

Known Limitations

Maximum 3 image replacements per SVG

Maximum 10 text replacements per SVG

SVG animations are not supported

External images in SVG must be base64 encoded

Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

License

This project is licensed under the MIT License – see the LICENSE file for details.

Credits

Thanks to the ComfyUI community for their support and inspiration.