test(imageproc): make SkewFinder test offline/chroot-safe (#61) - #131
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pablogventura merged 1 commit intoApr 20, 2026
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RPM/mock chroots often ship without fontconfig/Qt text stack; drawing rotated parallel lines keeps the same skew signal without fonts. Refs ScanTailor-Advanced#61
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Fedora COPR/mock builds failed in
TestSkewFinder::test_positive_detectionwith SIGABRT (see #61). The test drew synthetic page content withQPainter::drawText(), which depends on fonts and the text stack; minimal chroots often have none.Replace text rendering with rotated parallel lines in the same 4.5° skewed coordinate system so
SkewFinderstill sees a strong directional signal without any font configuration.Refs #61