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commit-bot@chromium.org 4431e7757c Mike R: please sanity check SkPostConfig.h 
Mike K: please sanity check Test.cpp and skia_test.cpp

Feel free to look at the rest, but I don't expect any in depth review of path ops innards.

Path Ops first iteration used QuickSort to order segments radiating from an intersection to compute the winding rule.

This revision uses a circular sort instead. Breaking out the circular sort into its own long-lived structure (SkOpAngle) allows doing less work and provides a home for caching additional sorting data.

The circle sort is more stable than the former sort, has a robust ordering and fewer exceptions. It finds unsortable ordering less often. It is less reliant on the initial curve  tangent, using convex hulls instead whenever it can.

Additional debug validation makes sure that the computed structures are self-consistent. A new visualization tool helps verify that the angle ordering is correct.

The 70+M tests pass with this change on Windows, Mac, Linux 32 and Linux 64 in debug and release.

R=mtklein@google.com, reed@google.com

Author: caryclark@google.com

Review URL: https://codereview.chromium.org/131103009

git-svn-id: http://skia.googlecode.com/svn/trunk@14183 2bbb7eff-a529-9590-31e7-b0007b416f81
2014-04-14 17:08:59 +00:00
..
android_deps.gyp Reland "Gyp file changes for the android framework." 2014-02-05 16:35:12 +00:00
android_framework_lib.gyp Updates to gyp files for building Android.mk 2014-02-28 16:07:39 +00:00
android_system.gyp Update DEPS and GYP to use the copy of Android in platform_tools. 2013-05-02 12:27:21 +00:00
angle.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
animator.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
apptype_console.gypi get iOS building again 2014-04-05 01:13:43 +00:00
bench.gyp Add SkCanvas::writePixels that takes info+pixels directly 2014-03-07 03:25:16 +00:00
bench.gypi Add a new bench that tests a simple image filter DAG. 2014-04-10 16:16:13 +00:00
chromeos_deps.gyp GYP Changes and Scripts for Compiling Skia for ChromeOS 2013-06-11 15:52:19 +00:00
common_conditions.gypi More removal of duplicate framework defines. 2014-04-14 14:53:58 +00:00
common_variables.gypi ARM Skia NEON patches - 35 - First AArch64 support 2014-04-02 15:03:56 +00:00
common.gypi Reland "Gyp file changes for the android framework." 2014-02-05 16:35:12 +00:00
core.gyp Reland "Gyp file changes for the android framework." 2014-02-05 16:35:12 +00:00
core.gypi Remove currently unused code 2014-04-14 15:02:50 +00:00
debugger.gyp Small tweaks to be able to build everything target: 2014-01-08 21:16:14 +00:00
dm.gyp More SkRecord TODOs: 2014-04-08 20:17:26 +00:00
effects.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
effects.gypi Remove SkResizeImageFilter. 2014-04-07 15:11:08 +00:00
everything.gyp First pass at a web app that lets you run Skia code and see the results. 2014-03-11 22:57:50 +00:00
experimental.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
FileReaderApp.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
flags.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
fontconfig.gyp Roll fontconfig to 2.11.0 and reenable poppler on mac 2014-01-15 17:24:22 +00:00
freetype.gyp Build Skia for a bare-bones embedded Linux system. 2014-02-24 20:22:34 +00:00
freetype.gypi Sanitizing source files in Housekeeper-Nightly 2013-08-21 07:01:29 +00:00
giflib.gyp Sanitizing source files in Housekeeper-Nightly 2014-02-25 03:05:18 +00:00
gm.gyp Allow GMs to be used as benchmarks. Make convex_poly_clip opt in. 2014-02-03 14:48:17 +00:00
gmslides.gypi Initial picture shader implementation 2014-04-08 15:19:34 +00:00
gpu.gyp Enable use of distance fields via SkPaint flag. 2014-03-11 17:07:15 +00:00
gpu.gypi Add a GrLayerCache to GrContext 2014-04-03 00:34:27 +00:00
gputest.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
iconv.gyp Sanitizing source files in Housekeeper-Nightly 2013-08-21 07:01:29 +00:00
images.gyp Fix ChromeOS build broken in f84722e477 2014-02-24 21:39:01 +00:00
jsoncpp.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
libjpeg.gyp Build Skia for a bare-bones embedded Linux system. 2014-02-24 20:22:34 +00:00
libpng.gyp Build Skia for a bare-bones embedded Linux system. 2014-02-24 20:22:34 +00:00
libwebp.gyp Fix warnings on Ubuntu13 2014-02-21 20:11:42 +00:00
lua.gyp Build Skia for a bare-bones embedded Linux system. 2014-02-24 20:22:34 +00:00
most.gyp get iOS building again 2014-04-05 01:13:43 +00:00
nacl.gyp Prepare skia for shared library build on android 2013-06-03 12:10:19 +00:00
opts.gyp Xfermode: SSE2 implementation of multiply_modeproc 2014-04-09 15:43:46 +00:00
pathops_unittest.gyp Mike R: please sanity check SkPostConfig.h 2014-04-14 17:08:59 +00:00
pathops_unittest.gypi path ops work in progress 2013-10-02 14:49:34 +00:00
pathops.gypi path ops work in progress 2013-09-16 15:55:01 +00:00
pdf.gyp Build Skia for a bare-bones embedded Linux system. 2014-02-24 20:22:34 +00:00
pdf.gypi Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
pdfviewer_lib.gyp Build Skia for a bare-bones embedded Linux system. 2014-02-24 20:22:34 +00:00
pdfviewer.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
pixman_test.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
poppler.gyp Add extra warnings to match what Android uses. 2013-11-20 15:13:49 +00:00
ports.gyp Purge SkPurgeableMemoryBlock. 2014-04-01 23:50:53 +00:00
public_headers.gypi replace old SK_TRACE_EVENT macros with new TRACE_EVENT ones, and then remove them entirely! 2014-03-20 20:00:24 +00:00
record.gyp Add a focused public API for src/record. 2014-04-10 23:30:59 +00:00
SampleApp.gyp get iOS building again 2014-04-05 01:13:43 +00:00
sfnt.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
shapeops_demo.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
shapeops_edge.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
shapeops_tool.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
SimpleCocoaApp.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
SimpleiOSApp.gyp get iOS building again 2014-04-05 01:13:43 +00:00
skflate.gyp Build Skia for a bare-bones embedded Linux system. 2014-02-24 20:22:34 +00:00
skia_for_chromium_defines.gypi split SkPictureRecorder out of SkPicture 2014-04-13 19:09:42 +00:00
skia_lib.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
skpskgr_test.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
svg.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
tests.gyp Let DM run unit tests. 2014-02-26 16:31:22 +00:00
tests.gypi Add a focused public API for src/record. 2014-04-10 23:30:59 +00:00
tools.gyp Add bench_playback, for quick profiling of SKR playback. 2014-04-11 15:53:39 +00:00
utils.gyp A remotable font management interface and DirectWrite implementation. 2014-03-21 22:48:32 +00:00
v8.gyp Factor out a BaseContext from JsContext. 2014-03-04 20:44:32 +00:00
views_animated.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
views.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
webtry.gyp Initial code for webtry, a web application for allowing users to try out Skia. 2014-04-09 18:59:44 +00:00
xml.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
xps.gyp Remove the comments settings for vim tab width and expansion variables. 2013-12-02 22:23:03 +00:00
zlib.gyp Fix valgrind bot errors introduced in f84722e477. 2014-02-25 18:01:37 +00:00