🐉 Greeval Studio - Image Toolkit

Greeval Studio is a high-performance desktop application designed for efficient batch image processing. Built with Python (PySide6), this toolkit offers a robust solution for stitching, splitting, converting, and compressing large volumes of images without compromising system responsiveness.

Tailored for typesetters, comic/manhwa editors, and content creators who demand speed, automation, and reliability.

🔥 Core Modules

1. 🧵 Smart Stitcher

Seamlessly merges multiple images into a single long vertical strip (perfect for Webtoon/Longstrip formats).

• Auto-Resize Width: Automatically standardizes image widths based on the widest image using Lanczos4 interpolation for maximum quality.
• Seamless Joining: Precision stitching with no visible gaps.

2. ✂️ Precision Splitter

Slices extremely long images into smaller, manageable chunks based on pixel height.

• Custom Height: Define your preferred slice height (default: 5000px).
• Lossless Cutting: Maintains original image quality during the split process.

3. 🔄 Universal Converter

Batch converts images between formats with intelligent transparency handling.

• Supported Formats: JPG, PNG, WEBP, BMP, and ICO.
• Smart Background: Automatically fills transparent backgrounds with white when converting to non-transparent formats (like JPG) to prevent visual artifacts.

4. 📉 Quality Compressor

Reduces file size significantly while preserving visual fidelity.

• Smart Presets: SD (Low), HD (Standard), and UHD (High Quality).
• Optimization: Utilizes advanced JPEG optimization algorithms.

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🚀 Workflow & UX Features (Quality of Life)

• 🖱️ Drag & Drop Support: Simply drag files or folders into the input/output fields for instant path selection.

• 📂 Smart Auto-Directory: Automatically detects the system's real Documents folder (compatible with OneDrive or relocated paths) and creates an organized output structure (Greeval Studio/[Mode]).

• 🔢 Auto-Naming & Increment:

• Auto-Name: Automatically generates filenames based on the active mode if left blank.

• Conflict Prevention: Automatically appends increment numbers (Result001, Result002) to avoid accidental overwrites.

• 🛡️ Safety Mechanisms:

• Overlap Check: Warns users if they attempt to process the same files twice in a session.

• Conflict Handler: Interactive dialogs offering "Overwrite" or "Cancel" options when manual naming conflicts occur.

• ⚡ Multithreading (Anti-Freeze): All heavy processing runs on separate background threads (QThread), keeping the UI responsive and fluid even during heavy batch operations.

• 🎯 Range Selection: Process specific subsets of files within a folder using range inputs (e.g., 1-10, 5, 8, 12).