14 commits

Author	SHA1	Message	Date
Carl Worth	c5e37af245	Fixed rounding bug in _ComputeX. Use if statement instead of while loop to increment intersection Y value	2002-09-20 09:43:42 +00:00
Carl Worth	e9255b4688	Fixed intersection test for parallel lines	2002-09-17 14:44:52 +00:00
Carl Worth	a2265c8e1b	Added comments describing polygon tessellation algorithm	2002-09-17 14:21:36 +00:00
Carl Worth	d334c8bf8f	Cleaned up polygon tessellation code. Fixes all known problems.	2002-09-17 13:38:55 +00:00
Carl Worth	546b33d362	Fixed some broken polygons by adding another sort to polygon tessellation code.	2002-09-13 19:01:01 +00:00
Carl Worth	1fa0a496bb	Removed state from XrFiller that was redundant with state in XrPolygon. Fixed state update in XrStroker so that paths with multiple subpaths work. Simplified error-prone sorting in XrPenAddPoints. Renamed XrPenVertexTag to XrPenVertexFlag, (to allow for a single vertex that is the starting point for both the forward and reverse half-path).	2002-09-13 12:55:37 +00:00
Carl Worth	5f1938f26f	Fixed spline error calculation. New effort to compute spline initial/final slopes even for degenerate splines, (degenerate splines are still broken somewhere though).	2002-09-10 08:01:00 +00:00
Carl Worth	cf6f2e67d9	Added initial spline support. Added XrSetTolerance	2002-09-03 08:42:25 +00:00
Carl Worth	91f09687e5	Added error handling (Xr shutdown) for out-of-memory handling. Started adding spline functions.	2002-08-15 05:22:59 +00:00
Keith Packard	ba3bce9d7e	Note that the only rectangles could be quickly converted to traps. Add miter joins	2002-08-15 03:50:28 +00:00
Carl Worth	466fc8700f	Handle degenerate polygons (no edges)	2002-08-14 00:44:28 +00:00
Carl Worth	48bd9e5d30	Total rewrite of path storage/interpretation in preparation for splines.	2002-08-14 00:39:43 +00:00
Carl Worth	c2824c4ded	Stabilized the sort used to generate traps. Discard degenerate traps	2002-08-12 09:38:05 +00:00
Carl Worth	9ee45ab816	Fixed missing xrtraps.c	2002-08-07 19:48:49 +00:00