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178 commits

Author SHA1 Message Date
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 4174d9b5b6 rejigging 2023-01-28 01:26:47 +01:00
sheaf 1ae84fec97 precondition before taking Gauss-Seidel step 2023-01-23 13:58:52 +01:00
sheaf 78c03b99e1 change fitpoint render size 2023-01-23 02:01:56 +01:00
sheaf 86874882e4 fix bug in partitions function 2023-01-23 02:01:03 +01:00
sheaf dd503df126 draw cusps in debug mode 2023-01-23 00:37:56 +01:00
sheaf d2a485f71e Interval Newton method for cusp isolation 2023-01-22 18:00:58 +01:00
sheaf eb68c27941 add separate EnvelopeEquation module (forgot to add earlier) 2023-01-22 18:00:47 +01:00
sheaf bdcac18ab9 add chain rule R^n -> R -> R 2023-01-22 04:51:23 +01:00
sheaf 236055b4ca do the interval brush stroking at degree 3 2023-01-21 15:24:08 +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 c7cd6c2a1c WIP on monomial bases 2023-01-16 02:31:31 +01:00
sheaf 684550a795 implement intervallic brushes 2023-01-13 23:10:06 +01:00
sheaf 09c1bdd948 continue interval arithmetic integration 2023-01-13 15:23:33 +01:00
sheaf a4e9c1cf32 preparation for interval arithmetic 2023-01-13 06:32:34 +01:00
sheaf 33a3cbfaa1 find solutions on nearby curves 2023-01-11 20:05:56 +01:00
sheaf 8fc5e6c9b8 compute brush strokes using the envelope equation 2023-01-11 15:26:12 +01:00
sheaf 43098dec01 Newton-Raphson implementation 2023-01-11 15:25:52 +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 066a4e653f more GHC 9.4 build fixes 2022-12-04 17:25:44 +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 15d50f8d76 add signed curvature computation 2021-05-16 00:33:58 +02:00
sheaf 7431e8ba67 compute roots of envelope equation 2021-05-15 23:27:21 +02:00
sheaf df2469487d add cubic Bézier crunode computation 2021-05-15 21:24:58 +02:00
sheaf 9f16cff978 fix brush join orientations 2021-05-13 22:07:49 +02:00
sheaf 570a593f4f fix stupid error in quadratic solver 2021-05-12 15:16:26 +02:00
sheaf 2983943363 compute correct open stroke caps 2021-05-12 13:58:30 +02:00
sheaf c64a4140c4 fix orientation of brush joins 2021-05-10 23:51:05 +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 df9b9c1f66 simplify Laguerre solver 2021-04-29 21:03:45 +02:00
sheaf 4182b78c7e fix incorrect deflation code 2021-04-27 01:16:30 +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
sheaf e1c5d266eb embed brushes inline into strokes 2021-04-26 01:17:27 +02:00
sheaf 70cab39947 write cabal version number to .mb JSONs 2021-04-25 17:50:35 +02:00
sheaf 2ee0cbbfc0 fix styling on dialog windows 2021-04-25 15:22:10 +02:00
sheaf c3bcce58a7 use ?self to address pointer ownership warnings 2021-04-25 01:59:15 +02:00
sheaf 36a6a3ca4b Fix file chooser crashes 2021-04-21 18:14:35 +02:00
sheaf 1b0382f3b0 Switch to GTK4 2021-04-21 15:08:33 +00:00
sheaf a9adcba8eb fix some errors in polynomial code 2021-02-26 01:52:52 +01:00
sheaf 5e62937f16 fix preview for first curve in path 2021-02-25 14:43:43 +01:00
sheaf c6694e4e2f fix bug in reverseSpline 2021-02-25 14:04:54 +01:00
sheaf 46275514ff add stroke preview when drawing 2021-02-25 03:41:12 +01:00
sheaf 4788ab2efd fix bug in cubic Bézier subdivision 2021-02-25 00:07:15 +01:00
sheaf 212ac4fded use STRefs to hold cached outline data 2021-02-24 22:52:26 +01:00
sheaf 6dbade1fae always use current viewport sizes 2021-02-23 21:52:03 +01:00
sheaf c1cae2b69f compute outline data concurrently 2021-02-23 20:58:53 +01:00
sheaf b32499cc68 GHC 9.0 compatibility 2021-02-23 13:16:26 +01:00
sheaf ab3a12c983 use assertions instead of errors, minor linting 2020-11-15 06:28:48 +01:00
sheaf 1e4bb4bddc implement a basic brush store 
* each stroke stores the brushes it uses by reference,
    so that one can interactively edit brushes
    and see the strokes be updated in real-time
  * when writing to a file, we retrive the brush code
    from the reference, and include that information statically
 2020-11-14 23:32:23 +01:00
sheaf 393ef6f06e Implement programmable brush framework 2020-11-12 17:34:46 +00:00
sheaf a5ba7dcd33 use haskell-gi bugfix to improve tab reordering 2020-09-26 00:21:49 +02:00
sheaf 58ca70c1bd optimise root-finding functions 
* use PrimArray to represent polynomials
  * add some strictness annotations
  * turn on some optimisation flags
  * use quadratic formula for quadratic polynomials
 2020-09-19 00:43:07 +02:00
sheaf eb8e7012aa curve dragging support 2020-09-18 19:17:40 +02:00
sheaf 40d10b6a8e add backend implementation of curve dragging 2020-09-17 05:47:53 +02:00
sheaf 2e9c437bd4 fix incorrect brush join computation 
* also add some curvature calculations (unused at the moment)
 2020-09-16 23:56:19 +02:00
sheaf 1c6f751a2b improve offset tangent calculation 2020-09-15 19:07:22 +02:00
sheaf 808e37b1b3 fix issue with incorrect subdivision in fit 
* was using `Max ( Arg t sq_dist )` instead of `Max ( Arg sq_dist t )`
 2020-09-14 06:28:35 +02:00
sheaf e3d920573d add debug mode to visualise fitting algorithm 2020-09-14 06:03:45 +02:00
sheaf 087c29aef3 fix time-travel issue in deletion code 2020-09-11 00:37:39 +02:00
sheaf dc11c1af15 add change descriptions for document history 
* fix issue with accelerator key press handler
  overriding the application's key press handler
  * fix not being able to close tabs when no document is active
 2020-09-10 21:50:35 +02:00
sheaf 7e8c2e10d1 add document history & undo/redo 2020-09-10 18:59:14 +02:00
sheaf 0a978b7c59 add hover indicator for points and guides 2020-09-09 01:23:25 +02:00
sheaf dc6602bb79 refactor ruler subdivision handling 2020-09-08 22:20:46 +02:00
sheaf a459467ed0 add parallelism for brush outline computation 
* also enable varying the fitting parameters (UI todo)
 2020-09-07 17:38:22 +02:00
sheaf d501fcb76a add ruler ticks 
* also includes some improvements to Cairo pixel alignment
 2020-09-07 15:44:08 +02:00
sheaf 777b894c06 fix accelerator key handling 2020-09-06 17:20:04 +02:00
sheaf e4779d8af2 update "toggle guides" menu text on toggle 2020-09-06 15:31:18 +02:00
sheaf 091c1603bb add toggle for showing guides 2020-09-06 05:32:03 +02:00
sheaf 3660cb8dce subdivide paths by double-clicking on them 
* still WIP:
    - path mode: does not correctly interpolate brushes
    - brush mode: does not propagate subdivision to other brushes
 2020-09-06 04:43:28 +02:00
sheaf 9a2f123895 fix incorrect selection mode for Shift 2020-09-06 01:06:44 +02:00
sheaf 031d72a69b create/move/delete guides: drag from ruler area 2020-09-06 00:40:56 +02:00
sheaf 930fa0ebf9 don't attempt to draw outline when brush is empty 2020-09-05 15:35:01 +02:00
sheaf a098eb6471 refactor document modification 
* the "modifyingCurrentDocument" now handles
    all the followup actions necessary after
    modifying the current document,
    such as updating the title bar
 2020-09-05 02:56:59 +02:00
sheaf 264fa8dff0 dynamic file tab close button behaviour 2020-09-04 22:51:47 +02:00
sheaf 86729cb462 update title and file tab upon change, close 2020-09-04 20:54:48 +02:00
sheaf 341a8ed0ca closing documents / removing file tabs 2020-09-03 05:57:08 +02:00
sheaf 5f3bbc891a add saving/loading 2020-09-03 00:53:08 +02:00
sheaf db4115c634 hook up menu to actions, + some refactors 2020-09-02 22:49:50 +02:00
sheaf 919acf4928 add accelerator labels to menu items 2020-09-02 15:58:00 +02:00
sheaf 7033578e20 refactor: separation of event handling and actions 2020-09-02 04:52:08 +02:00
sheaf 101d9515c0 update file tabs dynamically 2020-09-01 21:56:59 +02:00
sheaf 8a6b4f5391 encode/decode documents to JSON using waargonaut 2020-08-31 22:28:30 +02:00
sheaf 9c5f8b1198 use correct applicative operation for brush lerp 2020-08-31 01:59:14 +02:00
sheaf 9e73da9fff implement selection & drag-move in brush mode 2020-08-29 22:19:51 +02:00
sheaf dfa446254a adjust what is rendered in different modes 2020-08-29 20:50:02 +02:00