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git-svn-id: http://skia.googlecode.com/svn/trunk@10299 2bbb7eff-a529-9590-31e7-b0007b416f81
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fix pathops issues 1417, 1418
be more rigorous about pulling intersections of lines to end points
rewrite cubic/line and quad/line intersections to share style
BUG=
Review URL: https://codereview.chromium.org/19543005
git-svn-id: http://skia.googlecode.com/svn/trunk@10270 2bbb7eff-a529-9590-31e7-b0007b416f81
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git-svn-id: http://skia.googlecode.com/svn/trunk@10096 2bbb7eff-a529-9590-31e7-b0007b416f81
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hopefully fix build
BUG=
Review URL: https://codereview.chromium.org/19183005
git-svn-id: http://skia.googlecode.com/svn/trunk@10079 2bbb7eff-a529-9590-31e7-b0007b416f81
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Modify line intersections to first
- match exact ends
- compute intersections
- match near ends
where the exact ends are preferred, then near matches, then
computed matches. This pulls matches towards existing end points
when possible, and keeps intersection distances consistent with
different line/line line/quad and line/cubic computations.
BUG=
Review URL: https://codereview.chromium.org/19183003
git-svn-id: http://skia.googlecode.com/svn/trunk@10073 2bbb7eff-a529-9590-31e7-b0007b416f81
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BUG=
Review URL: https://codereview.chromium.org/18058007
git-svn-id: http://skia.googlecode.com/svn/trunk@9908 2bbb7eff-a529-9590-31e7-b0007b416f81
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This is a major change resulting from a minor
tweak. In the old code, the intersection point
of two curves was shared between them, but the
intersection points and end points of sorted edges was
computed directly from the intersection T value.
In this CL, both intersection points and sorted points
are the same, and intermediate control points are computed
to preserve their slope.
The sort itself has been completely rewritten to be more
robust and remove 'magic' checks, conditions that empirically
worked but couldn't be rationalized.
This CL was triggered by errors generated computing the clips
of SKP files. At this point, all 73M standard tests work and
at least the first troublesome SKPs work.
Review URL: https://codereview.chromium.org/15338003
git-svn-id: http://skia.googlecode.com/svn/trunk@9432 2bbb7eff-a529-9590-31e7-b0007b416f81
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enable conics in SkPath
git-svn-id: http://skia.googlecode.com/svn/trunk@9370 2bbb7eff-a529-9590-31e7-b0007b416f81
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This reverts commit b4775ac7b55802e87231768f002e4b42f233b0aa.
git-svn-id: http://skia.googlecode.com/svn/trunk@9347 2bbb7eff-a529-9590-31e7-b0007b416f81
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patch from issue 16153005
BUG=
Review URL: https://codereview.chromium.org/16195004
git-svn-id: http://skia.googlecode.com/svn/trunk@9344 2bbb7eff-a529-9590-31e7-b0007b416f81
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This fixes a series of bugs discovered by running
the small set of Skia skp files through pathops
to flatten the clips.
Review URL: https://codereview.chromium.org/14798004
git-svn-id: http://skia.googlecode.com/svn/trunk@9042 2bbb7eff-a529-9590-31e7-b0007b416f81
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add some debugging around reverse diff, inverse
Review URL: https://codereview.chromium.org/13851015
git-svn-id: http://skia.googlecode.com/svn/trunk@8852 2bbb7eff-a529-9590-31e7-b0007b416f81
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fix bugs in tests on 32 bit release
Most changes revolve around pinning computed t values
very close to zero and one.
git-svn-id: http://skia.googlecode.com/svn/trunk@8745 2bbb7eff-a529-9590-31e7-b0007b416f81
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Try to fix the 32 bit build by making some math
decisions more robust.
Rewrite the cubic intersection special case that
detects if only end points are shared.
Rewrite the angle sort setup that computes whether
a cubic bends to the left or right.
git-svn-id: http://skia.googlecode.com/svn/trunk@8726 2bbb7eff-a529-9590-31e7-b0007b416f81
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standardize tests
use SK_ARRAY_COUNT everywhere
debug why x87 differs from SIMD 64
various platform specific fixes
git-svn-id: http://skia.googlecode.com/svn/trunk@8689 2bbb7eff-a529-9590-31e7-b0007b416f81
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This CL depends on
https://codereview.chromium.org/12880016/
"Add intersections for path ops"
Given a path, iterate through its contour, and
construct an array of segments containing its curves.
Intersect each curve with every other curve, and for
cubics, with itself.
Given the set of intersections, find one with the
smallest y and sort the curves eminating from the
intersection. Assign each curve a winding value.
Operate on the curves, keeping and discarding them
according to the current operation and the sum of
the winding values.
Assemble the kept curves into an output path.
Review URL: https://codereview.chromium.org/13094010
git-svn-id: http://skia.googlecode.com/svn/trunk@8553 2bbb7eff-a529-9590-31e7-b0007b416f81
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skia.committer@gmail.com
caryclark@google.com
reed@google.com