mirror of
https://github.com/storytold/vectorcraft.git
synced 2026-10-25 02:07:09 -06:00
bflatasticandClaude Opus 5.5
9bad0a24ca
Four Photoshop-style raster effects on the pixel-filter pipeline (vectorcraft_effects::pixel::pixelate), under a new Effect › Pixelate submenu between Blur and Sharpen in the Raster Effects section: - Color Halftone (maxRadius 4..127, default 8; channel1..channel4 screen angles -360..360, defaults 108/162/90/45): each colour channel is screened at its angle in square cells sized so a dot of Max. Radius fills one; each cell's dot covers the share of the cell that is the channel's coverage-weighted mean there (white stays white, black black). RGB documents screen R, G, B (channels 1 to 3); CMYK documents screen C, M, Y, K inks (channels 1 to 4), also when they are drawn ink plane by ink plane (the K plane uses channel 4). - Crystallize (cellSize 3..300, default 10): every pixel takes the colour at the nearest of one jittered point per cell (exact Voronoi over a 5 x 5 neighbourhood, pruned by distance). - Mezzotint (type: Fine/Medium/Grainy/Coarse Dots, Short/Medium/Long Lines, Short/Medium/Long Strokes; default Fine Dots; a dropdown in the dialog): each channel is turned fully on or off against its own random threshold pattern, so the object becomes pure colours. - Pointillize (cellSize 3..300, default 5): one dot of random size per cell at a jittered point, coloured by the softened object there and as opaque as the object at its centre, stacked in random order over a white canvas where the object is. Lengths are in points (Scale Strokes & Effects scales them) and every pattern lies in document space around the object's centre, so the result is the same at any zoom or raster resolution, moves with the object, and is identical on every redraw (hash noise of the pattern's cell indices, no state). Work per pixel is bounded whatever the parameters, which are clamped to their ranges and finite-checked; the halftone's cell grid is capped by the raster's size and a screen finer than 3 pixels leaves the image as it is (its average). PixelSpace gains `channels` so the renderer tells the filters what the channels hold. Catalogue rows with parameter docs, outsets and reaches for cropping, menu entries, dialog labels (Max. Radius, Channel 1-4, Cell Size), the Mezzotint Type dropdown, translations, and tests: parameters and clamping, tone and coverage, CMYK inks, polygon crystals, pure-colour mezzotints with ten distinct patterns, dots on a white canvas, the same result at twice the resolution and when moved, the canvas, PDF and SVG through the engine, the command sweep with junk parameters, the dialogs and the menu. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>