Add hatch pattern brushes and reference images

Merged
JI
6mo ago
+1645-233

Prerequisites

  • I have written a descriptive pull-request title
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  • I have provided test coverage for my change (where applicable)

Description

Add a new large collection of 8x8 boolean hatch masks (derived from GDI+ pixel extraction technique) to provide many hatch patterns. Fixes incorrectly implemented existing pattern brushes.