3 people 468d1c622a Bitmap mode: validate the halftone screen angle (#4214) (#4215) ...

Image > Mode > Bitmap (halftone) passed its angle through unchecked: 1e39
became inf as f32, the screen rotation turned it into NaN and an almost
white bitmap was recorded in history; 500 was accepted although the
params doc (and Photoshop's Halftone Screen dialog) says -180..180.

The angle must now be a finite number in -180..=180 and the frequency a
finite number (still clamped to 1..999 lines/inch); otherwise the command
returns BadParams before touching the document.

Co-authored-by: Claude Opus 5.5 (1M context) <noreply@anthropic.com>

2026-10-12 21:17:49 -04:00

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tests.rs

Bitmap mode: validate the halftone screen angle (#4214) (#4215)

2026-10-12 21:17:49 -04:00