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Author SHA1 Message Date
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
fc0b5a8858 Give the intersection that brings us back to the beginning alwasy the priority. 2015-09-24 07:47:39 -04:00
Jürg Lehni
c79166a46f Mark last segment as visited when done. 2015-09-23 14:31:12 -04:00
Jürg Lehni
cf5bf38c3b Minor simplification. 2015-09-23 13:33:35 -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
6a29f200e3 Always use getIntersection(), even on the first segment. 
Now that it works well.
 2015-09-21 12:44:53 -04:00
Jürg Lehni
51c34444db Some more debugging code clean-up. 2015-09-21 12:18:57 -04:00
Jürg Lehni
84bcc537e1 Simplify addCurveLineIntersections() and exclude end points. 2015-09-21 12:13:53 -04:00
Jürg Lehni
0f61ce896a Some code clean-up. 2015-09-21 10:54:33 -04:00
Jürg Lehni
812ac63e60 Compare points instead of curve time paramters for better precision and reliability. 2015-09-21 10:53:53 -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
f6f42fe09b Improve handling of overlap ambiguity in getIntersection() 
Two passes are needed, first strict, then non-strict, to prevent 'better' next candiates over 'worse' ones.
 2015-09-21 09:44:17 -04:00
Jürg Lehni
19a17b2918 Prevent infinite loops through circular references of multiple intersections. 2015-09-21 09:43:19 -04:00
Jürg Lehni
40570b3e59 Furher improve boolean debug logging and drawing. 2015-09-21 09:42:47 -04:00
Jürg Lehni
1ad95c9020 Improve CurveLocation.add() to always merge duplicates. 
We nee to check neighbors of the found location too.
 2015-09-21 07:06:41 -04:00
Jürg Lehni
1302df0cb8 Fix variable leackage. 2015-09-20 23:22:31 +02:00
Jürg Lehni
b68be09c87 Fix all accidental non-breaking spaces. 2015-09-20 22:39:28 +02:00
Jürg Lehni
530b8b7bc8 Handle adjusted overlap winding contribution and operator calls through new isValid() function. 2015-09-20 15:50:26 +02:00
Jürg Lehni
738cc4c214 Yet another improvement in multiple interseections boolean code. 
This appears to be the one. The only remaining failing cases seem to be linked to getting the same intersection twice now!

Relates to #787
 2015-09-20 15:29:54 +02:00
Jürg Lehni
946157f1b1 Add note about usage of _originalWinding. 2015-09-20 14:19:14 +02:00
Jürg Lehni
20ed1e007c More fixes in handling of multiple intersection locations. 2015-09-20 14:17:23 +02:00
Jürg Lehni
5db9703aff No more need to check for crossings since every intersection is now either an overlap or a crossing. 2015-09-20 14:16:47 +02:00
Jürg Lehni
53862233e5 Improve debug logging of new multiple intersections code. 2015-09-19 22:47:57 +02:00
Jürg Lehni
4df65c1809 Various improvements to code that handles multiple intersections in same location. 
Relates to #787
 2015-09-19 19:07:44 +02:00
Jürg Lehni
1d6f552212 Prevent endless loop through circular references. 2015-09-19 13:42:48 +02:00
Jürg Lehni
2c8634793c First attempt at implementing handling of multiple intersections in the same location. 
Relates to #787, works pretty well already for many situations.
 2015-09-19 13:21:29 +02:00
Jürg Lehni
081de1d12a 'exclude' operation needs overlap handling too. 2015-09-18 22:29:29 +02:00
Jürg Lehni
a95ba12bc3 isCrossing() needs parameter checks on both curves. 2015-09-18 22:26:09 +02:00
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
8cf562c57b Revert "Remove special handling of winding contribution on overlaps" 
This reverts commit c6a38589e9.
The special handling seems to be still necessary in some edge cases, e.g. in BooleanOperations.html
 2015-09-18 21:10:58 +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
c6a38589e9 Remove special handling of winding contribution on overlaps 
Looks like the new code handles this correclty now!
 2015-09-18 18:06:15 +02:00
Jürg Lehni
23443dc8f4 Clean up boolean code. 2015-09-18 17:51:57 +02:00
Jürg Lehni
66b01973f0 Simplify exclusion handling for new boolean code. 2015-09-18 17:51:43 +02:00
Jürg Lehni
87687d816b Implement PathItem#resolveCrossings() based on the new #getCrossings() method. 2015-09-18 17:51:03 +02:00
Jürg Lehni
c70f8cb3cc Simplify overlap calculations by keeping the original winding value. 2015-09-18 17:46:46 +02:00
Jürg Lehni
59a23fdd3f Improve debug logging. 2015-09-18 17:33:42 +02:00
Jürg Lehni
73a9989261 Fix CurveLocation#isCrossing() for locations in the middle of curves. 2015-09-18 17:32:19 +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
85311cfb29 Improve Path#getArea() and #isClockwise() 2015-09-18 17:27:29 +02:00
Jürg Lehni
17356637ac Clean up new CurveLocation code. 2015-09-17 10:18:45 +02:00
Jürg Lehni
9c812335e5 Curve._filterIntersections() is now without a job. 2015-09-17 09:39:22 +02:00
Jürg Lehni
1508b8fc75 Improve debug logging. 2015-09-17 01:15:41 +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
857e27e3a8 Fix accidental variable leackage. 2015-09-16 18:15:26 +02:00
Jürg Lehni
7061bc0e0a Simplify CurveLocation.sort() code 
Relates to #787
 2015-09-16 10:52:51 +02:00
Jürg Lehni
0980ad3fe9 Fix remaining issues with curve location sorting. 
Relates to #787
 2015-09-16 10:44:41 +02:00
Jürg Lehni
f8bd7a2005 Improve debug logging and drawing. 
And add more descriptive comments to tracePath().
 2015-09-16 09:52:41 +02:00
Jürg Lehni
197aa4b4cf No need to wrap angles as they're always -PI < a < PI. 2015-09-16 02:56:24 +02:00
Jürg Lehni
2026e5571e Some code cleanup and comments in isCrossing(). 2015-09-16 02:54:25 +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
8f9549dd12 Fix non-breaking spaces. 2015-09-16 02:29:17 +02:00
Jürg Lehni
ad276ba46a More improvements in tracePaths() 
- Use new isCrossing() check
- Correctly switch crossings in exclusion
 2015-09-15 19:39:35 +02:00
Jürg Lehni
60a725b527 Implement correct CurveLocation#isCrossing() check. 
And improve curve caching. Still needs work.
 2015-09-15 19:38:28 +02:00
Jürg Lehni
3ce7d88347 Second attempt at simplifying boolean code. 
This time without endless loops.
 2015-09-15 16:31:05 +02:00
Jürg Lehni
089738478c Bring back boolean exclusion handling to reverted code. 2015-09-15 15:03:12 +02:00
Jürg Lehni
7b3f8598f4 Make sure all results of boolean operations are styled and inserted in the sample way. 2015-09-15 14:11:27 +02:00
Jürg Lehni
e4b4037721 Revert "Improve handling of exclude() operations." 
This reverts commit e85586d0fe.
 2015-09-15 13:01:52 +02:00
Jürg Lehni
5e327f7a48 Revert "Substantial simplifications in boolean code." 
This reverts commit a665175a89.
 2015-09-14 15:23:46 +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
fec479167c Improve debug logging and drawing. 2015-09-14 15:16:52 +02:00
Jürg Lehni
a665175a89 Substantial simplifications in boolean code. 
These were probably made possible thanks to increased precision elsewhere in the lib.
 2015-09-14 01:20:03 +02:00
Jürg Lehni
e85586d0fe Improve handling of exclude() operations. 
Determine wether to switch to other intersection or not based on tangents.

Closes #781 again.
 2015-09-14 00:51:46 +02:00
Jürg Lehni
b532c9cce2 Handle boolean exclusion as a special case. 
Switching each time an intersection is encountered.

Closes #781
 2015-09-13 22:12:04 +02:00
Jürg Lehni
fbb0f3f37d Remove left-over debugging code. 2015-09-13 21:50:35 +02:00
Jürg Lehni
b231e9b2a8 Accept CompoundPath items as children of CompoundPath items. 
Just add their children and remove the parent.

Closes #541
 2015-09-13 16:06:24 +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
8047f90ccf Switch to using GEOMETRIC_EPSILON in getWinding() code. 2015-09-12 22:20:31 +02:00
Jürg Lehni
ef45a5f62c Clean up tMin / tMax uses. 2015-09-12 22:14:04 +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
2fb203ddd1 Adjust notes since we now support boolean operations on self-intersecting Paths items 2015-09-12 11:58:17 +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
cdd0cee623 Activate resolving of self-intersections in boolean code. 
Relates to #779
 2015-09-12 10:24:19 +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
c69ea345da Correctly handle self-intersections when deciding to switch segments. 
Closes #765
 2015-09-10 05:21:47 +02:00
Jürg Lehni
4770cfe2f8 Minor intersection refactoring clean up. 2015-09-10 05:18:56 +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
78e0bae6aa Activate code that handles self-intersection directly now. 
Relates to #765, #761
 2015-09-09 08:24:02 +02:00
Jürg Lehni
abf70378fe Some more code fixes. 
One was breaking unit tests.
 2015-09-09 08:15:43 +02:00
Jürg Lehni
155442e706 Increase readability of convex-hull check in self-intersection code. 2015-09-09 08:12:03 +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
71a7cc37e6 Many documentation clean-ups. 2015-09-06 17:20:01 +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
dd1f5ba3d1 Remove Path#isLinear() and use Path#getArea() instaed in boolean code. 2015-09-06 16:35:15 +02:00
Jürg Lehni
3d89cd71bd Some clean-up work on documentation. 2015-09-06 15:54:11 +02:00
Jürg Lehni
fa9eb8be99 Merge remote-tracking branch 'origin/develop' into boolean-fix 
; Conflicts:
;	src/path/PathItem.Boolean.js
 2015-09-06 15:36:40 +02:00
Jürg Lehni
66717868cd Address failing #isLinear() tests. 2015-09-06 14:10:15 +02:00
Jürg Lehni
d7fb5cd512 Do not reduce linear curves with handles defined. 2015-09-06 13:21:08 +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
0651eee0c2 No more need for special handling of 'subtract' overlaps. 
This is now taken care of in the code that handles overlaps itself, and the additional code was causing additional issues.
 2015-08-30 19:58:32 +02:00
Jürg Lehni
4379e0b0f0 Improve boolean debug code. 2015-08-30 19:56:17 +02:00
Jürg Lehni
31771aa01d Insert results of boolean operations above whichever of the two paths appear further up in the stack. 2015-08-30 14:47:46 +02:00
Jürg Lehni
b4755ea699 Deactivate debug logging code. 2015-08-30 14:38:18 +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
8f13fa54fc Remove debugger statement. 2015-08-30 13:52:13 +02:00
Jürg Lehni
0cbce044aa Define Curve#_serialize() 2015-08-28 16:18:28 +02:00
Jürg Lehni
e07d8f55ea Add debug logging for intersections again. 2015-08-28 16:18:14 +02:00
Jürg Lehni
0e26b53053 Improve CurveLocation.sort() to handle more edge cases. 
Relates to #648
 2015-08-28 16:17:54 +02:00
Jürg Lehni
4ccb53ac68 Remove note about overlapping paths not working. 
: D
 2015-08-26 18:03:22 +02:00
Jürg Lehni
3ad897c943 Remove all boolean debug code. 
Keeping it on the boolean-fix branch for now.
 2015-08-26 17:47:18 +02:00
Jürg Lehni
da0d01ee09 More work on main boolean code. 
Start addressing self-intersecting paths, and remove resulting open paths for now.
 2015-08-26 17:36:20 +02:00
Jürg Lehni
86fd33c7d5 User correct tolerance in CurveLocation sorting. 2015-08-26 17:06:02 +02:00
Jürg Lehni
a099377ac6 Remove debug logging for CurveLocation. 2015-08-26 16:58:52 +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
69a2fcff46 Pass on correct matrix in CompoundPath#getPathData(). 2015-08-26 04:28:30 +02:00
Jürg Lehni
fd1f2e56f8 Optimize Item#intersects() by only checking to see if there are at least one intersection. 2015-08-25 11:45:28 +02:00
Jürg Lehni
7ca8ce3cbb Actually use selfOp argument for self operations. 
Appears to be working fine.
 2015-08-24 21:02:42 +02:00
Jürg Lehni
e242634011 Minor code clean-up. 2015-08-24 12:59:10 +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
4be48cec16 A lot more work to correctly support overlapping edge cases in boolean operations: intersect(), exclude(), subtract() 2015-08-24 12:30:14 +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
15bcf2a7aa More work on supporting overlaps in boolean operations other than unite(). 2015-08-23 22:42:57 +02:00
Jürg Lehni
68832e0690 Revert "Switch to using 0, 1 instead of tMin, tMax for tangents." 
This reverts commit edfabcbbd8.

; Conflicts:
;	src/path/PathItem.Boolean.js
 2015-08-23 21:48:16 +02:00
Jürg Lehni
92ec09f451 Some debug code fixes and improvements. 2015-08-23 21:34:41 +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
edfabcbbd8 Switch to using 0, 1 instead of tMin, tMax for tangents. 
getTangentAt() can handle that since a while now.
 2015-08-23 09:43:28 +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
08bdfe585b Fix issue in getWinding() where rays were counted twice. 
Closes #736.
 2015-08-18 22:36:10 +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
10fb616665 Fixed leaked globals. 
Detected using QUnit's "Check for Globals" feature!
 2015-07-27 12:36:45 +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
26cdbb6805 Fix typo: #isColinear() -> #isCollinear() 
Keeping misspelled version around for a while.
 2015-06-16 18:39:52 +02:00
Jürg Lehni
dbac9c06de Bring back private UIDs for Color. 
SVG Export for multiple gradients was broken.
 2015-06-16 18:12:40 +02:00
Jürg Lehni
b541088c6f A whole lot of documentation clean-up. 2015-06-16 17:50:37 +02:00
Jürg Lehni
7a6ee5d5f4 Do not implicitly close paths in SVG compound paths. 
Closes #705
 2015-06-16 14:49:54 +02:00
Jürg Lehni
2cf6cd7a14 Correctly clone all attributes in Shape#toPath() and Path#toShape() 
Also write documentation for both methods.
Closes #622.
 2015-06-16 14:30:40 +02:00
Jürg Lehni
e3f04478d9 Clean up Curve.getParameterOf() code. 2015-06-16 12:29:27 +02:00
Jürg Lehni
6ec34fbb60 Replace Lenna with Marilyn. 2015-05-31 10:50:04 +02:00
Jürg Lehni
27bb8a356f Implement unique ids, and fix issue with Base.deserialize() 
Gradient and Symbol were overriding each other in the dictionary, and dictionary entries could not contain references to other dictionary entries.

Closes #690
 2015-05-11 19:39:39 +02:00
Jürg Lehni
7749641e66 Handle out-of-bounds offsets/parameters correctly. 
Closes #660
 2015-04-04 17:05:39 +02:00
Jürg Lehni
563a26f112 Clean up PathFitter fix a bit. 2015-04-04 15:54:34 +02:00
Jürg Lehni
66fbb9ee2a Merge branch 'fix-simplify-bug' of https://github.com/calamitas/paper.js into fix-simplify-bug 2015-04-04 15:35:37 +02:00
Jürg Lehni
993a9df178 Simplify fix for #626 a bit. 
Closes #626.
 2015-02-28 19:20:48 +01:00
Jürg Lehni
8a625e0acd Merge pull request #627 from iam-TJ/issue_626 
Issue 626: Don't try to iterate a null array
 2015-02-28 19:18:50 +01:00
Jürg Lehni
15813107c0 Remove unused variables. 2015-02-26 13:44:09 +01:00
Peter Vanbroekhoven
d5c25dbc52 Change PathFitter to constrain newly found control points. 
See https://github.com/paperjs/paper.js/issues/414 .
 2015-02-22 20:05:06 +01:00
TJ
d3af8483a8
Don't try to iterate a null array 
Signed-off-by: TJ <hacker@iam.tj>
 2015-01-26 21:21:46 +00:00
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
efaae89dfc No need to add 0. 2015-01-05 21:47:15 +01:00
BrownBear2
4d36a2d6f4 fixed svg path parsing for arcs with more than one definition 2015-01-05 21:32:21 +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
1803cd216a Handle empty paths in Path#join() 
Closes #516
 2015-01-05 00:42:00 +01:00
Jürg Lehni
6562f861ab More code clean-up. 2015-01-05 00:13:30 +01:00
Jürg Lehni
9977b6ab68 Some code clean-up. 2015-01-05 00:09:34 +01:00
Jürg Lehni
72bd150a34 Fix the rest of the failing tests that 6c6ad76c94 had caused. 
Also closes #610.
 2015-01-04 23:59:25 +01:00
Jürg Lehni
5f3df1f5a1 Fix some failing tests with PathItem#contains(), introduced by commit 6c6ad76c94 2015-01-04 23:28:39 +01:00
Jürg Lehni
5d875f2d83 Clean up code formatting. 2015-01-04 22:37:27 +01:00
Jürg Lehni
8928eaffd0 Merge branch 'refs/heads/master' into boolean-operations 2015-01-04 22:00:55 +01:00
Jürg Lehni
7e80e19e32 Insert results of boolean operations above the first path. 2015-01-04 21:59:31 +01:00
Jürg Lehni
d522e4aec2 Merge remote-tracking branch 'origin/master' into boolean-operations 
Conflicts:
	src/path/PathItem.Boolean.js
 2015-01-04 21:29:50 +01:00
Jürg Lehni
9f0a774fd0 Fix newly introduced error in clean-up. 2015-01-04 18:07:02 +01:00
Jürg Lehni
1239eb55ec Minor clean up in Curve.filterIntersections(). 2015-01-04 17:47:41 +01:00
Jürg Lehni
77193e1465 Clean-up new splitPath() code. 2015-01-04 17:37:15 +01:00
hkrish
718af4527f Boolean: handle linear segments correctly. 
Earlier implementation was unfinished and did not reset some handles to
linear, this caused the winding to be miscalculated.

Conflicts:
	src/path/PathItem.Boolean.js
 2015-01-04 17:30:19 +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
Jürg Lehni
d33d65fcc2 Revert change in recursion threshold as the new code reaches the desired precision earlier. 2015-01-04 13:21:12 +01:00
Jürg Lehni
cca6606f72 Reduce the amount of path reversing required. 
We don't need paths at clockwise / counter-clockwise orientation. We simply need them oriented the same way, or the opposite way.
 2015-01-04 01:51:27 +01:00
Jürg Lehni
390ef324f2 Find a better implementation for exclude() boolean operations, requiring only one pass instead of two. 2015-01-04 01:50:24 +01:00
hkrish
3781aedb22 Small but critical fix on getSignedDistance method 
when the line is perfectly vertical, return the difference between x values depending on the side. The earlier "l1y" is a silly mistake.
 2015-01-03 23:41:47 +01:00
Jürg Lehni
5c184e381b Merge remote-tracking branch 'origin/master' into boolean-operations 
Conflicts:
	src/path/PathItem.Boolean.js
 2015-01-03 21:09:31 +01:00
Jürg Lehni
b6a4815d03 Remove Curve#isHorizontal() as its implementation and precision is specific to boolean operations. 2015-01-03 21:02:12 +01:00
Jürg Lehni
46d7717812 Use standard values for tMin / tMax when calling getTangentAt() tracePaths() 2015-01-03 20:59:20 +01:00
Jürg Lehni
6bb6002d1a No need to double tolerances here. 2015-01-03 20:35:51 +01:00
Jürg Lehni
68c53534d6 Use the same precision in PathItem#getIntersections() when handling curve time parameters as in the rest of the library. 
TOLERANCE instead of EPSILON.
 2015-01-03 20:25:57 +01:00
Jürg Lehni
3e67f72393 Some code clean-up. 2015-01-03 20:25:12 +01:00
Jürg Lehni
51ec3325e3 Remove the need to store winding samples in array and sort. 
Calculating the average winding value instead yields the same results.
 2015-01-03 11:25:10 +01:00
Jürg Lehni
26f209c835 Implement better strategy for handling edge cases in winding samples. 2015-01-03 11:24:27 +01:00
Jürg Lehni
a854c55914 Split off code from Path.Clockwise() into Curve.getEdgeSum() 2015-01-03 01:46:22 +01:00
Jürg Lehni
80e1a54171 Dirty temporary fix for new median winding code that struggles with circles. 2015-01-03 01:17:48 +01:00
Jürg Lehni
5da0ae5c3c Better handle of edge values in Path#split(). 
Closes #515 & #538
 2015-01-03 01:07:51 +01:00
Jürg Lehni
98686ef888 Fix endless recursion in CompoundPath#reduce() 2015-01-03 00:51:06 +01:00
Jürg Lehni
5e654ca64e Reducing an empty CompoundPath should replace it with an empty Path. 2015-01-03 00:46:45 +01:00
Jürg Lehni
e195db2567 Handle empty paths in Path#reorient() 
Closes #548
 2015-01-03 00:46:24 +01:00
Jürg Lehni
001561decb Remove the dependency of Math.random() from boolean operation code. 
Closes #473
 2015-01-03 00:32:06 +01:00
Jürg Lehni
bb2fece225 Restructure code that determines median winding contribution. 2015-01-03 00:26:13 +01:00
Jürg Lehni
538eac6dc7 Use smaller tolerances in winding code, to address edge cases. 
Closes #559
 2015-01-02 23:47:26 +01:00
Jürg Lehni
70e34ef705 Merge remote-tracking branch 'origin/master' into boolean-operations 
Conflicts:
	src/path/Curve.js
	src/util/Numerical.js
 2015-01-02 22:41:38 +01:00
Jürg Lehni
477527f8ec Implement more intuitive version of clipConvexHull(), outlined in #570 by @iconexperience 
Code further shortened using a sub-routine.
 2015-01-02 22:36:04 +01:00
Jürg Lehni
232739fae9 Add comments to fat-line clipping code linking to issues #568 and #571. 2015-01-02 22:34:09 +01:00
Jürg Lehni
a2208f218c Merge branch 'refs/heads/master' into boolean-operations 
Conflicts:
	src/util/Numerical.js
 2015-01-02 21:46:28 +01:00
Jürg Lehni
51739e6e27 Merge remote-tracking branch 'origin/master' into solve-cubic 
Conflicts:
	src/path/PathItem.Boolean.js
 2015-01-02 21:26:04 +01:00
Jürg Lehni
8ad067ec6c Use tolerance when comparing curve locations by parameter. 2015-01-02 21:20:28 +01:00
Jürg Lehni
4ed9ef54f2 Fix bug in Curve.filterIntersections() and clean up code a bit. 2015-01-02 21:19:18 +01:00
Jürg Lehni
b2261fd512 Introduce Curve.filterIntersections() and use it both in PathItems#getIntersections() and Curve#getIntersections() 2015-01-02 21:00:05 +01:00
Jürg Lehni
3302a7dff5 Increase recursion threshold to 4 when checking for fatline convergence. 2015-01-02 20:49:09 +01:00
Jürg Lehni
fbd026ea0d Bring back code removed by @hkrish in commit 5fb75593c2 
Relates to issue #570, still required to figure out why it is still needed.
 2015-01-02 20:02:45 +01:00
Jürg Lehni
74844d8a2b Use hullEpsilon in all comparisons of curve time values in fat-line clipping code. 
Addresses first half of issue #568
 2015-01-02 17:33:04 +01:00
Jürg Lehni
41c0584f35 Merge remote-tracking branch 'origin/master' into solve-cubic 2015-01-02 16:37:50 +01:00
Jürg Lehni
e3e3d13fa5 Add comment regarding issue #565 2015-01-02 16:33:15 +01:00
Jürg Lehni
b75def3f3a Implement optimal values in fat line clipping code for maximum recursion and curve time difference, as determined by @iconexperience. 
Closes #565
 2015-01-02 16:29:12 +01:00
Jürg Lehni
91865be8a3 Merge remote-tracking branch 'origin/master' into solve-cubic 
Conflicts:
	src/basic/Line.js
	src/path/Curve.js
	src/path/PathItem.Boolean.js
	src/util/Numerical.js
 2015-01-02 16:21:18 +01:00
Jürg Lehni
45c86a3035 Switch to suggested new implementation of Line.getSignedDistance() by @iconexperience 
Closes #554
 2015-01-02 16:17:19 +01:00
Jürg Lehni
878be7962e Merge branch 'refs/heads/master' into solve-cubic 
Conflicts:
	src/path/Curve.js
	src/path/PathItem.Boolean.js
	src/util/Numerical.js
 2015-01-02 15:33:23 +01:00
Jürg Lehni
1de750bc77 Check for Path#closed in Path#equals() 2014-12-28 18:10:14 +01:00
Jürg Lehni
28538d8a43 Clean up code from #597 a bit. 2014-12-26 06:42:46 +01:00
louisremi
a9bf0b097e Handle closed path in PathFitter 2014-12-15 14:56:25 +01:00
Jürg Lehni
318209e9e9 Replace compareNumbers() with equals() and improve numerical tolerance handling in test helpers. 2014-11-30 11:27:14 -08:00
Jürg Lehni
ebdc63fbfa Use correct formula in Curve#getTangentAt() for end-points when there is no handle. 
Closes #553.
 2014-11-08 17:16:22 -08:00
Jürg Lehni
782bde238c Find a more general implementation for Item#intersects(item). 2014-10-20 18:00:07 +02:00
Jürg Lehni
5ddbc5b07f Implement Item#intersects(item) 2014-10-20 17:00:18 +02:00
Jürg Lehni
b3c7be67fc Support optional hidden matrix argument in #getIntersections() 
...in order to provide an alternative matrix for the passed path to check against.
 2014-10-20 16:53:49 +02:00
Jürg Lehni
0894e625b0 Fix documentation issues with Path#get*At() 
Closes #537.
 2014-10-15 13:00:50 +02:00
Jürg Lehni
e5714584ff Fix return type of #getCurvatureAt() methods. 
Closes #535 properly this time.
 2014-10-15 12:02:21 +02:00
Jürg Lehni
b71e2c69d6 Fix documentation of Curve#getCurvatureAt(), as well as Path#getCurvatureAt() & co. 
Closes #535
 2014-10-14 13:52:57 +02:00