Description: Sluggish zooming in & out. Bug docu Steps to Reproduce: 1. Open the attached file 2. Go to single page view 3. CTRL+Scroll wheel Actual Results: Choppy experience (with lots of delays) Expected Results: Relative smooth experience Reproducible: Always User Profile Reset: No Additional Info: Found in Version: 6.3.0.0.alpha0+ Build ID: 6740443311268b7d918bf4f43134d64fb78a0109 CPU threads: 4; OS: Windows 6.3; UI render: default; VCL: win; TinderBox: Win-x86@42, Branch:master, Time: 2019-01-15_23:37:04 Locale: nl-NL (nl_NL); UI-Language: en-US Calc: CL and in Version: 4.3.7.2 Build ID: 8a35821d8636a03b8bf4e15b48f59794652c68ba No repro with Versie: 4.2.0.4 Build ID: 05dceb5d363845f2cf968344d7adab8dcfb2ba71
Created attachment 148658 [details] Example file
Thank you for reporting the bug. I confirm the bug in Version: 6.3.0.0.alpha0+ Build ID: 3c964980da07892a02d5ac721d80558c459532d0 CPU threads: 2; OS: Windows 6.1; UI render: default; VCL: win; TinderBox: Win-x86@42, Branch:master, Time: 2018-12-12_02:07:45 Locale: en-US (en_US); UI-Language: en-US Calc: threaded and in Version: 6.1.3.2 Build ID: 86daf60bf00efa86ad547e59e09d6bb77c699acb CPU threads: 2; OS: Windows 6.1; UI render: default; Locale: en-US (en_US); Calc: group threaded
Tried on Linux, but it is choppy in 43max, 42max, 41max, the oldest of 43all...
So more a profiling type of bug
Created attachment 148872 [details] Callgrind output from master Seemed to be impossible to combine tracing + scrolling zoom, so I zoomed with the bottom bar slider. Seems to be slow either way. Arch Linux 64-bit Version: 6.3.0.0.alpha0+ Build ID: 8fbad2f600cd3ab81e7c1da0e4a2a71ebcac0553 CPU threads: 8; OS: Linux 4.20; UI render: default; VCL: gtk3; Locale: fi-FI (fi_FI.UTF-8); UI-Language: en-US Calc: threaded Built on 31 January 2019
*** This bug has been marked as a duplicate of bug 61558 ***