Day to Night Editor

This tool solves the problem of converting daytime photographs to nighttime mood without specialized desktop software. It accepts common image formats (JPEG and PNG) and outputs a single edited image that embodies a day-to-night transition. The primary users are photographers, social media creators, and marketing teams who need mood-consistent visuals across a small batch or individual images. It is designed for quick web-based edits that integrate into existing creative workflows. Assumptions include input images being color-corrected and in standard color spaces; exclusions cover RAW workflows and multi-frame timelapse edits. Core scenarios involve a user providing a source image, selecting an intensity level, and producing a night-inspired version suitable for online use. Precision and repeatability are prioritized to support library-wide consistency.\n\nCore Logic & Features: Required inputs include a source image (JPEG/PNG) and an optional intensity setting (mild, medium, strong). Outputs yield a single edited image in JPEG or PNG with the same dimensions as the source. Advanced features include configurable color-temperature shifts, exposure adjustments, and shadow/highlight remapping to preserve detail. The tool employs a bold, two-tone visual within the photo frame to signal the day-to-night concept while preserving the original frame geometry. Optional batch-ready usage relies on repeated runs with consistent parameters.\n\nInputs & Outputs: Inputs: (name: image_file, type: file, formats: JPEG/PNG, sample: sunset.jpg, required: true); (name: intensity, type: enum, values: mild|medium|strong, sample: medium, required: false, default: medium). Outputs: (name: edited_image, type: file, formats: JPEG/PNG, notes: same dimensions as input; color-balanced). Validation: file type must be JPEG/PNG, file size within platform limits; intensity defaults to medium if omitted.\n\nAlgorithms & Calculations: Conceptual pipeline includes: 1) global color-temperature shift toward cooler tones; 2) exposure adjustment to simulate dusk/dawn lighting; 3) shadow/highlight remapping to maintain detail; 4) a bold, non-textual day/night split within the image frame to convey the transition. Outputs are produced in sRGB for web consistency.\n\nError & Edge Cases: If input exceeds supported size, the tool downscales to permissible limits or rejects the file with a non-UI error; missing inputs trigger default moderate transformation; unsupported formats are rejected with a clear failure state.\n\nIndustry/Region & Localization: Uses standard sRGB color space and web-friendly JPEG/PNG formats; no currency or locale-specific data is used. If metadata is present, non-destructive edits aim to preserve it where feasible.\n\nAssumptions & Exclusions: Assumes standard RGB JPEG/PNG inputs; excludes RAW, TIFF, or multi-image processing; not intended for frame-by-frame video editing or high-dynamic-range compositing.