https://bugs.kde.org/show_bug.cgi?id=363320
--- Comment #19 from Boudewijn Rempt <b...@valdyas.org> --- After adding a debug line to KisLayer::changeRect, painting a single to prints this: isLayer::changeRect "couleurs" QRect(3733,2557 31x31) 64 KisLayer::changeRect "couleurs" QRect(3733,2557 31x31) 64 KisLayer::changeRect "couleurs" QRect(3733,2557 31x31) 64 KisLayer::changeRect "shade" QRect(3733,2557 31x31) 8 KisLayer::changeRect "shade" QRect(3733,2557 31x31) 8 KisLayer::changeRect "line art" QRect(3733,2557 31x31) 8 KisLayer::changeRect "line art" QRect(3733,2557 31x31) 8 KisLayer::changeRect "highlights" QRect(3733,2557 31x31) 8 KisLayer::changeRect "highlights" QRect(3733,2557 31x31) 8 KisLayer::changeRect "group" QRect(3733,2557 31x31) 64 KisLayer::changeRect "group" QRect(3733,2557 31x31) 64 KisLayer::changeRect "root" QRect(3733,2557 31x31) 64 KisLayer::changeRect "root" QRect(3733,2557 31x31) 64 KisLayer::changeRect "couleurs" QRect(3733,2557 31x31) 64 And takes about 20 seconds. -- You are receiving this mail because: You are watching all bug changes.