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#text-layout

2 posts

macOSDeep Dive October 3, 2026 8 min read

Core Text on macOS: Typesetting, Frames, Glyph Runs, and Hit Testing

Build predictable Core Text layout by separating Unicode input, shaping, line breaking, frame geometry, drawing transforms, and text hit testing.

#macos#core-text#typography

macOSDeep Dive October 3, 2026 7 min read

TextKit 2 on macOS: Viewport Layout, Text Ranges, and Fragment Rendering

Use TextKit 2 to keep large AppKit documents responsive with viewport-scoped layout, stable text locations, fragment drawing, and measurable invariants.

#macos#appkit#textkit-2