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d73bc42362
Adds a "Value calculator" tool (Tools menu) that decodes/encodes the value of common components and generates a clean SVG picture you can attach to a part — handy for assortments imported with blank thumbnails and sparse data. Calculator tabs (bidirectional decode <-> encode), each drawing the part to the selected package with a collapsible appearance panel and an "attach to part" action (optionally as the master picture): - Resistor: 4/5/6-band colour code - Capacitor: value <-> 3-digit code <-> tolerance - SMD resistor: value <-> 3-digit / 4-digit / EIA-96 code - Inductor: colour-band code - SMD inductor: value <-> uH code Bulk "Generate component images" parts-table action: - Classifies each selected part (resistor / capacitor / inductor / diode / LED, THT or SMD) with ComponentValueGuesser and detects value, voltage, tolerance, power, ppm, pitch, diameter, colour, SMD package and marking from the name, description and parameters. - Renders a preview per part, lets you tweak appearance, and attaches the images in one go; can also write matching KiCad symbol/footprint/reference-prefix EDA fields. Backend: ComponentValueGuesser (classification + detection + EDA suggestion), GeneratedImageAttachmentHelper (stores the SVG through the existing attachment pipeline, so it is sanitised on save), two POST endpoints on PartController (generate_image, set_eda) guarded by `edit` + CSRF, a new `@tools.value_calculator` permission, a Tools-tree entry and docs. All drawing is client-side in a Stimulus controller; the un-sanitised live preview escapes part-derived text and validates colours as defence-in-depth. Tests: unit tests for ComponentValueGuesser and functional tests for the endpoints, including permission and CSRF enforcement and the persisted side effects. |
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