[gtk] (22 commits) Non-fast-forward update to branch curve-ops

[Matthias Clasen <matthiasc src gnome org>]

The branch 'curve-ops' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  4336195... WIP: path: Add conic curves
  032d7df... WIP: pathbuilder: Add gsk_path_builder_add_rounded_rect()
  3e08127... WIP: css: Replace border rendering code with GskPath
  7768eb2... path: Introduce gskpathop
  0924b57... path: Add GskCurve
  45c5e3a... testsuite: Add conics to the random paths
  42f02fc... XXX: Fix pathop includes
  b09bebb... Add curve eval tests
  bd5853f... Add gsk_curve_get_{start,end}_tangent
  ba12c6a... Add curve tangent tests
  a30a07a... Add gsk_curve_get_tight_bounds
  6145b6e... Add gsk_curve_get_bounds
  5a785c3... Add a curve bounds test
  0f3453e... Implement gsk_conic_curve_split
  9cc3b02... Add gsk_curve_intersect
  f3e861d... Add curve intersection tests
  6763e21... Add curve split tests
  a386636... Add a performance test for curve intersection
  76acbdd... Add a separate case for curve-curve intersection
  56e9dab... Add a performance test for curve eval
  93c63a1... Test splitting harder

Commits added to the branch:

  43360a1... path: Add conic curves (*)
  7723708... WIP: pathbuilder: Add gsk_path_builder_add_rounded_rect() (*)
  6df6cd8... WIP: css: Replace border rendering code with GskPath (*)
  23e3cf2... path: Introduce gskpathop (*)
  9be147b... path: Add GskCurve (*)
  d7f7d9e... testsuite: Add conics to the random paths (*)
  3518dd8... Add gsk_curve_get_{start,end}_tangent (*)
  393fae4... curve: Split eval() into get_point() and get_tangent() (*)
  2cf80ec... testuite: Add tests for gsk_curve_get_point() (*)
  b330399... testuite: Add tests for gsk_curve_get_tangent() (*)
  2d8e5d9... testsuite: Add a test for gsk_curve_decompose() (*)
  7b446f0... xxx tangent (*)
  569b836... path: Add gsk_curve_segment() (*)
  f4f35b7... testsuite: Add a test for the conic that got us segment() (*)
  2acb113... testsuite Add curve tangent tests (*)
  93e736d... Add gsk_curve_get_bounds
  17d75f9... Add a curve bounds test
  ba91457... Add gsk_curve_intersect
  4d2a54b... Add curve intersection tests
  3ae22c2... Add curve split tests
  2957e36... Add a performance test for curve intersection
  d5cecee... Add a performance test for curve eval

(*) This commit already existed in another branch; no separate mail sent