Fixup multi-monitor transform

kreijack / xlibinput_calibrator

Touch calibrator for libinput

MIT License

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Fixup multi-monitor transform #14

Closed SimonHyde-BBC closed 8 months ago

SimonHyde-BBC commented 8 months ago

This was producing incorrect translations if there was a rotation or flip in the calibration. Reversing the matrix product produces the correct calibration matrix.

kreijack commented 8 months ago

Good catch. I inserted you patch, and released the v0.13. I also documented how properly test the patch to avoid this mistake.