block by Kcnarf cb56f9fa18efb97daa7f8ecc7f4bdaf8

CMYK halftone printing - chrome hack

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In veltman’s orignial block, Chrome 64 (and probably other versions) displays a black rectangle when any of the svg>defs>pattern (mapping values of the CMYK space) uses a circle of radius 0.

A quick fix would be to not set any CMYK value to 0, eg. in rgbToCmyk return { cyan: Math.max(0.01, value), … };

forked from veltman‘s block: CMYK halftone printing