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ddab2276cb
skia2/tests
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tomhudson@google.com ddab2276cb Duplicates code from GrPathUtils to verify that an approximation for the number 
of points in a quadratic curve is within +/- 2x the value determined by the
previous expensive method.

Running a similar approximation method on the Guimark2 HTML5 Charting demo drops
the share of time spent in SkPoint::distanceToLineSegmentBetweenSqd() from 4.57%
to under 0.6%, although SkPath::Iter::next(), SkPath::lineTo(), and
GrPathUtils::quadraticPointCount() all increase a bit.

Using a similar approximation method for SampleSlides.cpp produces visually
reasonable results. Without a relevant gm (it looks like gm/pathfill.cpp doesn't
have explicit quadratics?) I'm not sure how to get a better output quality
test.

We could avoid code duplication by:
 - have two implementations in GrPathUtils (computedQuadraticPointCount() &
estimatedQuadraticPointCount() are my working titles)
 - use a #define to select between them at compile time
 - expose both of them in the header file for this test to access



git-svn-id: http://skia.googlecode.com/svn/trunk@1540 2bbb7eff-a529-9590-31e7-b0007b416f81
2011-06-08 14:46:28 +00:00
..
TestXCode/Tests.xcodeproj migrate more legacy unittests into tests/ 2009-03-07 03:39:23 +00:00
BitmapCopyTest.cpp Another tiny comment-only change to trigger svn update 2011-04-26 19:31:33 +00:00
BitmapGetColorTest.cpp add simple test for SkBitmap::getColor() 2011-02-25 19:50:19 +00:00
BlitRowTest.cpp update to work correctly for scalar == fixed or float 2011-02-09 02:24:26 +00:00
ClampRangeTest.cpp handle overflow 2011-04-18 19:59:38 +00:00
ClipCubicTest.cpp update to work correctly for scalar == fixed or float 2011-02-09 02:24:26 +00:00
ClipperTest.cpp add unittest for IntersectLine, used by hairlines 2009-11-30 12:48:33 +00:00
ClipStackTest.cpp get tests closer to passing for SKIA_SCALAR=fixed 2011-05-17 17:36:59 +00:00
ColorFilterTest.cpp add reflection asColorMode to SkColorFilter (for gpu) 2011-04-14 15:50:52 +00:00
ColorTest.cpp update 2011-05-03 21:27:49 +00:00
DequeTest.cpp add tests for pushing on back as well as front 2011-02-22 19:56:18 +00:00
DrawBitmapRectTest.cpp abort drawing if srcRect is outside of the bitmap bounds 2011-03-17 17:48:04 +00:00
FillPathTest.cpp Correctly handle SkPath::kInverseWinding_FillType 2010-12-06 18:52:40 +00:00
FlateTest.cpp [PDF] If the clip is empty, we shouldn't bother actually drawing anything. 2011-04-15 20:01:17 +00:00
GeometryTest.cpp more tests (need more meat in there) 2009-02-27 22:06:06 +00:00
InfRectTest.cpp update to work correctly for scalar == fixed or float 2011-02-09 02:24:26 +00:00
MathTest.cpp add code to test different premul techniques (disabled right now) 2011-03-30 22:34:45 +00:00
MatrixTest.cpp get tests closer to passing for SKIA_SCALAR=fixed 2011-05-17 17:36:59 +00:00
MetaDataTest.cpp add refcnt helper to metadata 2011-03-30 18:23:21 +00:00
PackBitsTest.cpp add onSendClickToChildren to views, so a view can capture all clicks. 2009-11-16 14:52:01 +00:00
PaintTest.cpp update to work correctly for scalar == fixed or float 2011-02-09 02:24:26 +00:00
ParsePathTest.cpp add SkParsePath to go to/from SVG strings (e.g. "M0,0 L10,20") 2009-06-05 16:21:03 +00:00
PathCoverageTest.cpp Duplicates code from GrPathUtils to verify that an approximation for the number 2011-06-08 14:46:28 +00:00
PathMeasureTest.cpp migrate more legacy unittests into tests/ 2009-03-07 03:39:23 +00:00
PathTest.cpp fix PathTest for SKIA_SCALAR=fixed 2011-05-18 20:23:30 +00:00
PDFPrimitivesTest.cpp [PDF] Fix PDF primitives test for fixed scalars. 2011-05-18 17:08:05 +00:00
Reader32Test.cpp pass correct size to read(buffer, ...) tests 2011-05-23 12:28:48 +00:00
RefDictTest.cpp embed a refdict inside SkDevice 2011-01-25 23:50:57 +00:00
RegionTest.cpp add SkRegion::setRects(), and its unit tests 2010-07-13 18:35:14 +00:00
Sk64Test.cpp cleanup formating (e.g. no trailing spaces) 2009-04-02 16:59:40 +00:00
skia_test.cpp make tests return nonzero if failing 2011-05-13 19:26:48 +00:00
SortTest.cpp fix heapsort 2009-03-18 03:08:15 +00:00
SrcOverTest.cpp add SkSfntUtils to parse some known truetype tables 2009-04-14 14:28:22 +00:00
StreamTest.cpp cleanup formating (e.g. no trailing spaces) 2009-04-02 16:59:40 +00:00
StringTest.cpp bump SkStrAppendScalar_MaxSize to 14 to accomodate the largest string now that 2011-03-01 15:44:08 +00:00
Test.cpp remove SkRefCnt safeRef() and safeUnref(), and replace the call-sites with 2011-02-07 15:30:46 +00:00
Test.h support -android mode when running tests, which spews out android specific 2009-04-09 04:06:54 +00:00
TestClassDef.h cleanup formating (e.g. no trailing spaces) 2009-04-02 16:59:40 +00:00
tests_files.mk Duplicates code from GrPathUtils to verify that an approximation for the number 2011-06-08 14:46:28 +00:00
TestSize.cpp rename round, ceil, etc. to avoid some platform macros 2010-06-15 00:57:50 +00:00
TriangulationTest.cpp build with -Wall 2009-03-20 04:59:37 +00:00
UtilsTest.cpp tiny document-only change 2011-05-20 17:35:46 +00:00
Writer32Test.cpp add cross-process option to gpipe 2011-05-23 12:21:05 +00:00
XfermodeTest.cpp fix asMode() to always succeed if the xfermode was built from a Mode 2011-04-13 21:12:04 +00:00