diff options
| author | Yuqian Li <liyuqian@google.com> | 2016-11-16 13:07:57 -0500 |
|---|---|---|
| committer | Yuqian Li <liyuqian@google.com> | 2016-11-16 18:43:52 +0000 |
| commit | 20079a94e82fd7345dfb119a8777e5ba482a041c (patch) | |
| tree | 379ad97f7cb40878d03c1a7ee08531bf0e842482 /tests/PathTest.cpp | |
| parent | 721625b25e3e99d23b7765c75ba0b2ae5a351f7e (diff) | |
Fix mask overflow caused by edge drift
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=4797
Change-Id: Ica1568b67c1e1ce4aae2bdaba2c5b1f2155d1382
Reviewed-on: https://skia-review.googlesource.com/4797
Reviewed-by: Cary Clark <caryclark@google.com>
Diffstat (limited to 'tests/PathTest.cpp')
| -rw-r--r-- | tests/PathTest.cpp | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tests/PathTest.cpp b/tests/PathTest.cpp index 85bd804874..f064a16f77 100644 --- a/tests/PathTest.cpp +++ b/tests/PathTest.cpp @@ -198,6 +198,24 @@ static void test_fuzz_crbug_662780() { canvas->drawRectCoords(0, 0, 250, 250, paint); } +static void test_mask_overflow() { + auto surface(SkSurface::MakeRasterN32Premul(500, 500)); + SkCanvas* canvas = surface->getCanvas(); + SkPaint paint; + paint.setAntiAlias(true); + SkPath path; + path.moveTo(SkBits2Float(0x43e28000), SkBits2Float(0x43aa8000)); // 453, 341 + path.lineTo(SkBits2Float(0x43de6000), SkBits2Float(0x43aa8000)); // 444.75f, 341 + // 440.47f, 341, 437, 344.47f, 437, 348.75f + path.cubicTo(SkBits2Float(0x43dc3c29), SkBits2Float(0x43aa8000), + SkBits2Float(0x43da8000), SkBits2Float(0x43ac3c29), + SkBits2Float(0x43da8000), SkBits2Float(0x43ae6000)); + path.lineTo(SkBits2Float(0x43da8000), SkBits2Float(0x43b18000)); // 437, 355 + path.lineTo(SkBits2Float(0x43e28000), SkBits2Float(0x43b18000)); // 453, 355 + path.lineTo(SkBits2Float(0x43e28000), SkBits2Float(0x43aa8000)); // 453, 341 + canvas->drawPath(path, paint); +} + /** * In debug mode, this path was causing an assertion to fail in * SkPathStroker::preJoinTo() and, in Release, the use of an unitialized value. @@ -4359,6 +4377,7 @@ DEF_TEST(Paths, reporter) { test_fuzz_crbug_662952(reporter); test_fuzz_crbug_662730(reporter); test_fuzz_crbug_662780(); + test_mask_overflow(); SkTSize<SkScalar>::Make(3,4); |