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Zenith Lab Print-on-Demand StudioPrint-on-demand vector prepress engine with automated DPI metadata and alpha defringing.
A client-side prepress graphics studio built to validate and prepare artwork for garment printing. Enforces 300 DPI print standards, purges alpha fringing halos, and renders real-time 2D apparel mockups entirely in browser memory.
Direct-to-garment (DTG) print suppliers reject high percentages of consumer graphic uploads due to sub-300 DPI resolutions, missing physical print dimensions, and semi-transparent alpha halos that print as murky white outlines on dark fabrics.
Engineered an in-browser canvas processing pipeline that inspects pixel densities, writes binary 300 DPI pHYs chunks directly into exported PNG metadata, and applies alpha threshold clamping to eliminate edge fringing before submitting designs to production print queues.
Alpha threshold clamping algorithm eliminating semi-transparent fringing halos on dark textile prints
Binary PNG chunk manipulation injecting physical pixel dimension headers (300 DPI pHYs)
Real-time apparel projection mockups across t-shirt and hoodie vector templates
Entirely client-side canvas buffer processing with zero server compute dependency