scratchfoundation/paper.js
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224 commits

Author SHA1 Message Date
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
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
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
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
857e27e3a8 Fix accidental variable leackage. 2015-09-16 18:15:26 +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
2026e5571e Some code cleanup and comments in isCrossing(). 2015-09-16 02:54:25 +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
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
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
e2d2c836e5 Some boolean code clean-up. 2015-09-13 14:19:56 +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
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
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
2fb203ddd1 Adjust notes since we now support boolean operations on self-intersecting Paths items 2015-09-12 11:58:17 +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
c69ea345da Correctly handle self-intersections when deciding to switch segments. 
Closes #765
 2015-09-10 05:21:47 +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
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
9d12a0a82c Rename Curve#isLinear() to #isStraight() 
Relates to #652
 2015-09-06 17:35:27 +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
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
8b67d8a1dc Remove #isStraight() in favor of #hasHandles() and implement #clearHandles() 
Relates to #652
 2015-09-06 12:47:35 +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
e07d8f55ea Add debug logging for intersections again. 2015-08-28 16:18:14 +02:00