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Author SHA1 Message Date
Jürg Lehni
c0bb6890bd Switch back to CURVETIME_EPSILON now that overlap edge-case appears to be handled. 2015-10-01 20:47:56 -05:00
Jürg Lehni
9b883e5fb6 Introduce new TRIGONOMETRIC_EPSILON with higher precision than GEOMETRIC_EPSILON. 2015-10-01 20:44:27 -05:00
Jürg Lehni
f5012a78e9 Reformat nested ternary operators again. 
This got messed up in a recent refactoring.
 2015-10-01 20:24:47 -05:00
Jürg Lehni
72f9705615 Fix overeager refactoring in c77165be3a 2015-10-01 08:49:26 -05:00
Jürg Lehni
fee3a90329 Fixed leaked globals. 2015-10-01 07:05:00 -05:00
Jürg Lehni
b8c6eb46ad Fix weirdness of Curve#divide() modifying the wrong Curve object. 2015-10-01 06:52:08 -05:00
Jürg Lehni
c77165be3a Fix issue in Curve#divide() that lead to intersection segments being linked up wrongly. 
Relates to #784
 2015-10-01 06:21:17 -05:00
Jürg Lehni
53dd726057 Rename ignoreStraight argument to _setHandles 2015-10-01 05:55:22 -05:00
Jürg Lehni
75a004187e Improve Line.intersect() to more reliably find interesctions at the beginnings / ends. 
Relates to #784
 2015-10-01 04:38:48 -05:00
Jürg Lehni
53ff973f06 Perform the faster check first. 2015-10-01 03:38:35 -05:00
Jürg Lehni
5f706a4a5d Use lower tolerance in bezier clipping code. 
This really should be Numerical.CURVETIME_EPSILON, but I get better results using Numerical.GEOMETRIC_EPSILON. Perhaps Numerical.CURVETIME_EPSILON / 2 is the right value to use though.
 2015-09-30 14:19:40 -05:00
Jürg Lehni
9bcf369e6a Ony split potentially self-intersecting curves if there are actual canditates. 2015-09-30 13:44:51 -05:00
Jürg Lehni
45040abc53 More clean-ups for #773 
- Use local variables instead of array lookups for values used repeatetly, and merge with pre-existing variables.
- Add some more comments and reference to long explaining post in issue.
 2015-09-30 13:40:01 -05:00
Jürg Lehni
1231153553 Start cleaning up code from #773 
- Use Line object isntead of static methods
- Do not rely on Math.sign() as it's not supported on all browsers
- Wrap lines at 80 char width.
 2015-09-30 13:07:55 -05:00
Jürg Lehni
07874034e9 Merge pull request #793 from iconexperience/Fix-for-#773 
Fix for #773
 2015-09-30 11:51:37 -05:00
Jan
ec70fa1806 Fix for #773 
Indroduced more reliable method for finding self intersection on curves.
 2015-09-30 12:19:09 +02:00
Jürg Lehni
317b809fee Only calculate non-parametric bezier curve if values are actually used. 2015-09-26 11:46:54 -05:00
Jürg Lehni
ea3cc63e2e Reformat code a bit. 2015-09-26 07:41:03 -04:00
Jan
3fa810a557 Bugfix for #791 and performance improvement 
Prevent infinite loop for degenerate curve. Additionally only calculate sy if necessary and save one call to `Curve.solveCubic`
 2015-09-26 07:36:12 -04:00
Jürg Lehni
fd927cbe22 Properly solve issues with self-intersecting special case. 
(e.g. shapes resembling the infinity sign)
 2015-09-24 12:49:39 -04:00
Jürg Lehni
cc7e60e51a Revert db1ecdddd5 and fix issue properly this time. 
Hopefully?
 2015-09-23 12:44:00 -04:00
Jürg Lehni
20f950ac65 Implement #isFirst() / #isLast() tests on Segment and Curve. 2015-09-23 12:26:44 -04:00
Jürg Lehni
db1ecdddd5 Fix filtering of locations at ends of curves in addCurveLineIntersections() 
Only occured when the line / curve had to be flipped.
 2015-09-21 16:56:08 -04:00
Jürg Lehni
84bcc537e1 Simplify addCurveLineIntersections() and exclude end points. 2015-09-21 12:13:53 -04:00
Jürg Lehni
e36319b71a Give PathItem#getIntersections() a way to filter found intersections right away. 
And use it in #getCrossings()
 2015-09-21 10:41:59 -04:00
Jürg Lehni
b5af47a7b1 Implement a better approach to calculate Path#clockwise... 
...merging code with Path#area.

Closes #788
 2015-09-18 21:41:54 +02:00
Jürg Lehni
10eafccd1a Implement 0.75 * handle scaling in curve bounds checks. 2015-09-18 21:09:57 +02:00
Jürg Lehni
17dc5eb51a Allow gettings of unstyled bounds on curves without paths. 2015-09-18 20:15:18 +02:00
Jürg Lehni
ae93652b56 Clean up getIntersection() methods. 
Now that they filter the results on the fly.
 2015-09-18 17:31:23 +02:00
Jürg Lehni
9c812335e5 Curve._filterIntersections() is now without a job. 2015-09-17 09:39:22 +02:00
Jürg Lehni
2750c34090 Improve the way intersections are sorted and merged. 
Use a binary search to determine insertion index and compare with neighbours to eliminate doubles.
 2015-09-17 01:03:13 +02:00
Jürg Lehni
30f1441c26 Various boolean code clean-ups. 2015-09-16 18:34:35 +02:00
Jürg Lehni
d0332f843f Renamed Curve#reverse() and Segment#reverse() to #reversed() 
Since they don't modify the object. Also introduce new Segment#reverse(), which does.
 2015-09-16 18:16:48 +02:00
Jürg Lehni
e548391276 Use the zero-epsilon when checking beginnings and ends of curves for overlaps. 
Relates to #786 and #777
 2015-09-16 02:33:56 +02:00
Jürg Lehni
7aef20ae6b Compare intersection points instead of curve time when deciding to merge. 
Use same precision indepenent of curve length.
 2015-09-14 15:18:44 +02:00
Jürg Lehni
e2d2c836e5 Some boolean code clean-up. 2015-09-13 14:19:56 +02:00
Jürg Lehni
ea2ff5ec28 Increase precision in Curve.getParameterOf() 
Usually only requires 0-1 more iteration.
 2015-09-13 13:45:20 +02:00
Jürg Lehni
d84a84c67f Change the way winding contributions are propagated 
The new approach preserves segment sequence.

Relates to #777
 2015-09-13 13:06:01 +02:00
Jürg Lehni
19c9a0e722 Use the correct points on curve2 when checking intersections at beginnings and ends. 2015-09-13 11:52:17 +02:00
Jürg Lehni
d62caf6faa Introduce CURVETIME_EPSILON, to be used when handling curve time parameters. 
Relates to #777
 2015-09-12 22:55:58 +02:00
Jürg Lehni
4f04dae20f Use the correct GEOMETRIC_EPSILON when matching beginnings and ends of curve in Curve.getParameterOf() 
Relates to #777
 2015-09-12 22:26:16 +02:00
Jürg Lehni
a0730756c1 Use correct term for curve parameter renormalization. 2015-09-12 22:13:18 +02:00
Jürg Lehni
085cdd74a2 Use GEOMETRIC_EPSILON when comparing curve start / end points. 
Relates to #777
 2015-09-12 21:56:53 +02:00
Jürg Lehni
3da921a0b0 Improve CompoundPath#reduce() to properly reduce suppaths. 
Relates to #779
 2015-09-12 11:43:41 +02:00
Jürg Lehni
fb5f8c0115 Introduce GEOMETRIC_EPSILON, for isOrthogonal(), isCollinear() and overlap checks. 
Relates to #777
 2015-09-12 10:35:47 +02:00
Jürg Lehni
35f3ac87bf Change checks for startConnected / endConnected to support compound-paths. 
Closes #778
 2015-09-12 10:12:17 +02:00
Jürg Lehni
86f404123e Minor code tweaks. 2015-09-11 12:07:27 +02:00
Jürg Lehni
04452730dd Simplify CurveLocation data structures. 
Directly creating and linking intersections simplifies things a lot.
 2015-09-09 17:17:49 +02:00
Jürg Lehni
abf70378fe Some more code fixes. 
One was breaking unit tests.
 2015-09-09 08:15:43 +02:00
Jürg Lehni
70f8f1912f Some code clean-up. 2015-09-09 08:06:59 +02:00
Jürg Lehni
332b09c534 More curve interesection optimizations. 
Only evaluate points if locations are actually added.
 2015-09-09 07:46:48 +02:00
Jürg Lehni
dae8bb630b Avoid checking curves if completely out of control bounds. 
This leads to a huge speed increase! Relates to #765
 2015-09-09 07:34:28 +02:00
Jürg Lehni
1c1e19614e Avoid matching connected start- and end points when self-intersecting curves. 
Partial fix for #765.
 2015-09-09 07:28:08 +02:00
Jürg Lehni
3f53aa78ce Do not access curve objects for geometry since they might be subdivided. 
Partial fix for #765
 2015-09-09 07:26:39 +02:00
Jürg Lehni
b96036fb03 Fix strange curve check. 
Something went wrong in prior refactoring here. Also, no need to check curve beginnings and ends again, just handles.
 2015-09-09 06:25:37 +02:00
Jürg Lehni
98d7703b5c Finish implementing Curve#isStraight and #isLinear() 
Closes #652
 2015-09-06 18:02:15 +02:00
Jürg Lehni
31d9e1cd6e Implement Curve#isLinear() to check for parametrical linearity. 
Along with some unit tests for it.
 2015-09-06 17:56:12 +02:00
Jürg Lehni
9d12a0a82c Rename Curve#isLinear() to #isStraight() 
Relates to #652
 2015-09-06 17:35:27 +02:00
Jürg Lehni
9dab662a1f Clean-up various Segment and Curve tests. 
Moving functionality back to Path#toShape() since it was too specific, and missleading as part of the exposed Segment API.
 2015-09-06 17:27:33 +02:00
Jürg Lehni
b52d343527 Use same notation for all injection scopes. 2015-09-06 16:48:23 +02:00
Jürg Lehni
cf813faa75 Remove all mention of points and square points as units. 
And some other doc clean-ups.
 2015-09-06 16:37:10 +02:00
Jürg Lehni
3d89cd71bd Some clean-up work on documentation. 2015-09-06 15:54:11 +02:00
Jürg Lehni
66717868cd Address failing #isLinear() tests. 2015-09-06 14:10:15 +02:00
Jürg Lehni
26e35322a4 Some reworking of code and comments. 2015-09-06 13:20:57 +02:00
Jürg Lehni
8b67d8a1dc Remove #isStraight() in favor of #hasHandles() and implement #clearHandles() 
Relates to #652
 2015-09-06 12:47:35 +02:00
Jürg Lehni
3fa385ac7c Fix typo in previous commit. 2015-09-05 09:56:37 +02:00
Jürg Lehni
af355dc82c Fix false positives in Curve#isLinear() and Segment#isLinear(). 2015-09-03 09:01:07 +02:00
Jürg Lehni
041c31a88a Prevent variable leackage. 2015-09-02 15:54:14 +02:00
Jürg Lehni
b9a07ca538 Address code comments by @iconexperience in #762. 2015-08-31 22:01:18 +02:00
Jürg Lehni
20222be5c6 Minor clean-up in fat-line code. 2015-08-30 19:59:13 +02:00
Jürg Lehni
bd61390f9d improve break-off condition in curve interesection code. 
To prevent arbitrary incorrect solutions occuring when tDiff is very close to zero.
Closes #762.
 2015-08-30 14:37:21 +02:00
Jürg Lehni
27aae8b261 Add support for values array and toString object format to Curve constructor. 2015-08-30 14:14:52 +02:00
Jürg Lehni
0cbce044aa Define Curve#_serialize() 2015-08-28 16:18:28 +02:00
Jürg Lehni
d85b4f0c80 Fix issues with wrong sorting of CurveLocation in Curve.filterIntersections() 2015-08-26 16:56:28 +02:00
Jürg Lehni
815991d556 Some minor adjustments and fixes. 2015-08-26 11:43:39 +02:00
Jürg Lehni
2c4dcb96c2 Streamline addOverlap() code a bit. 2015-08-26 11:26:55 +02:00
Jürg Lehni
3946bcb04e Remove unnecessary segments between two collinear curves in Path#reduce() 2015-08-24 12:49:33 +02:00
Jürg Lehni
75f669d839 Implement proper method to determine which segment to choose when encountering overlaps. 2015-08-24 04:36:49 +02:00
Jürg Lehni
85d21c84b8 Start implementing support for touching and overlapping shapes in boolean operations. 
Relates to #449, #450, #648, #719
 2015-08-23 21:19:19 +02:00
Jürg Lehni
9bd399b5b8 Introduce Curve#isStraight() and use it in splitPath() and divide() to keep the result of splitting straight curves straight. 
Do not use Curve#isLinear(), as that would include curves with collinear handles, and we don't want to set these straight.
 2015-08-22 22:06:42 +02:00
Jürg Lehni
bddff95fe3 Remove workarounds in splitPath() thanks to improved precision of Numerical.solveCubic(). 2015-08-22 14:24:31 +02:00
Jürg Lehni
716d21e369 Always use fat-line clipping since fallback doesn't behave the same way. 2015-08-21 16:39:41 +02:00
Jürg Lehni
0436b2749a Fix some comments. 2015-08-19 17:28:41 +02:00
Jürg Lehni
84b202fd79 Expose and reuse Curve evaluation method names. 2015-08-19 17:26:52 +02:00
Jürg Lehni
9fe93d1434 Move Curve evaluate() method to private scope. 2015-08-19 17:19:42 +02:00
Jürg Lehni
da82116501 Rework handling of weighted and normalized curve tangents and normals. 
Relates to #563
 2015-08-19 17:15:41 +02:00
Jürg Lehni
59eec1f27b Implement Curve#isLinear(), #isCollinear() & co without depending on the segments being part of a path. 2015-08-19 11:43:37 +02:00
Jürg Lehni
e476672748 Use better epsilon values in Numerical.solveQuadratic() and solveCubic() 
To finally satisfy both #541 and #708.

With this change in place, https://github.com/paperjs/boolean-test is also finally back to run with 0 errors. Woop!
 2015-08-18 23:47:28 +02:00
Jürg Lehni
4ee68e5782 Various changes to #isCollinear(), #isOrthogonal(), #isArc() 
- Rename #isArc() - > #isOrthogonalArc()
- Implement versions for Curve
- Write proper documentation
 2015-08-17 14:33:48 +02:00
Jürg Lehni
f8314f927e Various changes on #isLinear(), #hasHandles() & co 
Relates to #652

- Implement #hasHandles() on Path, Segment and Curve
- Remove Path#isPolygon()
- Define #isLinear() consistently across Path, Segment and Curve.
- Introduce new Segment#isStraight()
 2015-08-17 14:31:23 +02:00
Jürg Lehni
19bcd19b49 Implement path versioning for segment changes. 
And use it to keep CurveLocation objects up to date. Closes #682
 2015-06-16 19:36:22 +02:00
Jürg Lehni
c1485e7068 Use < instead of <= when comparing against TOLERANCE 2015-06-16 19:33:21 +02:00
Jürg Lehni
b541088c6f A whole lot of documentation clean-up. 2015-06-16 17:50:37 +02:00
Jürg Lehni
e3f04478d9 Clean up Curve.getParameterOf() code. 2015-06-16 12:29:27 +02:00
Jürg Lehni
7749641e66 Handle out-of-bounds offsets/parameters correctly. 
Closes #660
 2015-04-04 17:05:39 +02:00
Jürg Lehni
22be259167 Deal with edge cases in Curve.solveCubic() where small cubics are very close to lines. 
Also reduce Numerical.EPSILON again, as required by some rare edge cases.

Relates to #541.
 2015-01-10 22:05:42 +01:00
Jürg Lehni
1c758a415a Switch to new and improved Line.getSignedDistance() in fat-line clipping code as well. 2015-01-05 16:20:33 +01:00
Jürg Lehni
1239eb55ec Minor clean up in Curve.filterIntersections(). 2015-01-04 17:47:41 +01:00
Jürg Lehni
afc14b9634 Reduce Numerical.TOLERANCE to 1e-6, and use the same value across the boolean code. 
Yields very good results now, across all tests.
 2015-01-04 15:54:50 +01:00
Jürg Lehni
3564dafa93 Do not keep iterating if the curve was reduced to a point. 2015-01-04 13:23:59 +01:00