hashirama/metabrush
1
0
Fork 0
mirror of https://gitlab.com/sheaf/metabrush.git synced 2024-11-05 23:03:38 +00:00
Code Issues Actions Projects Releases Wiki Activity
206 commits 3 branches 0 tags 1.9 MiB
Commit graph

125 commits

Author SHA1 Message Date
sheaf 3886dca483 improvements to draw anchor 2024-09-28 12:10:36 +02:00
sheaf 3d36b39541 fix brush rotation widget 2024-09-28 11:17:33 +02:00
sheaf a41c6235ae anchor position is not static 2024-09-28 03:12:23 +02:00
sheaf 66490b87aa fix draw anchor curve indexing 2024-09-28 01:32:03 +02:00
sheaf 264e04555b add header to warning dialog 2024-09-28 00:38:32 +02:00
sheaf 23cc439ff2 update list model upon undo/redo 2024-09-27 23:53:33 +02:00
sheaf 24f182feec add stroke layer view 2024-09-27 23:36:33 +02:00
sheaf 0eb0724dde Refactors in preparation for stroke hierarchy 2024-09-27 17:21:24 +02:00
sheaf e2e4ae6bfe UI: use GTK Window instead of MessageDialog 2024-09-07 11:28:07 +02:00
sheaf fc2f25cfa6 UI: use GTK4 FileDialog API 2024-09-06 18:48:04 +02:00
sheaf 9ff25a25aa cleanups 2024-08-29 01:46:50 +02:00
sheaf 56939ce01a GTK 4.14 compatibility 2024-05-28 10:24:47 +02:00
sheaf 300fbf92c0 fixes to brush widget UI 2024-05-25 17:04:08 +02:00
sheaf 1ec2af6dcc WIP: add brush widget UI 2024-05-21 19:40:22 +02:00
sheaf 63b9703faf UI tweaks 2024-04-25 21:53:53 +02:00
sheaf c89fba7fd2 Improve specialisation + add degree computation 2024-04-25 21:53:27 +02:00
sheaf 1338d7ddbe Improve intervallic rotation computations 
This commit bakes in a certain kind of representation for brush strokes:

  c(t,s) = p(t) + R(theta(t)) b(t,s)

This representation allows us to cancel out some rotation terms when
computing the envelope equation, improving the efficiency of the
cusp-finding methods.
 2024-04-20 18:28:41 +02:00
sheaf 55470d1f0e make cusp-finding algorithm choice more configurable 2024-04-03 18:46:08 +02:00
sheaf 2289468a84 Fixes and restructuring 2024-02-28 17:20:34 +01:00
sheaf b70f7ba133 Add mechanisms to log envelope equation data 2024-02-19 16:46:09 +01:00
sheaf 6b658acedd Restructure project & update bounds 2024-02-17 13:58:40 +01:00
sheaf 92efc4127c add teardrop shaped brush 2023-07-15 16:40:59 +02:00
sheaf 96aa38b3c3 improve rotations in interval arithmetic 
Computing a rotation in interval arithmetic can lose tightness.
Instead of computing

   a cos phi + b sin phi

which doesn't account for the difference in phase in the two sinusoids,
it is better to use

  sqrt (a² + b²) * cos ( phi - atan2(a,b) )

which correctly estimates the maximum amplitude of the sum to be
sqrt(a²+b²) instead of abs(a) + abs(b).

This seems to worsen the performance of the interval Newton method
at the moment, possibly due to the complexity of the new formula,
which involves computing atan(b/a). Further investigation is needed.
 2023-05-14 21:38:25 +02:00
sheaf 52420a1169 experiment: FMA backend for interval arithmetic 
also includes the start of a way to observe which equations
are being solved, which should help with improving the performance of
the interval Newton method
 2023-03-12 19:15:58 +01:00
sheaf 4cd11fa02f add export to SVG functionality 2023-02-03 14:16:57 +01:00
sheaf 8ac22b4738 some optimisations 2023-01-29 04:03:36 +01:00
sheaf 78c03b99e1 change fitpoint render size 2023-01-23 02:01:56 +01:00
sheaf dd503df126 draw cusps in debug mode 2023-01-23 00:37:56 +01:00
sheaf 6945aac704 improve show instances 2023-01-20 17:42:17 +01:00
sheaf 25d738b252 more WIP with TH now 2023-01-20 16:34:04 +01:00
sheaf 684550a795 implement intervallic brushes 2023-01-13 23:10:06 +01:00
sheaf a4e9c1cf32 preparation for interval arithmetic 2023-01-13 06:32:34 +01:00
sheaf 8fc5e6c9b8 compute brush strokes using the envelope equation 2023-01-11 15:26:12 +01:00
sheaf 671dae5474 use R2 instead of Point2D & Vector2D 2023-01-09 04:27:08 +01:00
sheaf 22820b328d more cabal file cleanups 2023-01-09 02:54:42 +01:00
sheaf cca4558985 put all colours into a separate CSS file 2023-01-08 21:12:00 +01:00
sheaf 5bd4e7f4cf framework for brush differentiation 2023-01-08 17:16:14 +01:00
sheaf 4e5c848883 kill off brush EDSL 2022-12-11 02:33:34 +01:00
sheaf bcd38ed791 clean up build steps & instructions 2022-12-04 15:52:29 +01:00
sheaf c80fdac30a switch to using eigen instead of hmatrix 2022-06-17 16:21:52 +02:00
sheaf 4e15380c7e use diagrams to parse MetaFont paths 2022-02-13 17:30:54 +01:00
sheaf 64e45f126b Refactor module hierarchy, use internal records 2022-02-11 22:05:13 +01:00
sheaf eba08a6edd add first-class functions to brush language 2021-05-25 13:45:21 +02:00
sheaf 5ff935b4b2 update render & select for new brush manipulation 2021-05-24 17:37:26 +02:00
sheaf 9f16cff978 fix brush join orientations 2021-05-13 22:07:49 +02:00
sheaf b46dc2a140 start reworking brush stroking 2021-05-10 18:02:42 +02:00
sheaf f8b0ec2ab1 adjust spline wither framework/selection deletion 2021-05-01 20:38:11 +02:00
sheaf a4bf83949a fix incorrect field name in stroke hierarchy deserialisation 2021-04-30 17:48:19 +02:00
sheaf d604d4120e stroke hierarchy 2021-04-26 17:18:48 +02:00
sheaf a5fdce1133 use Seq for strokes 2021-04-26 14:34:34 +02:00