diff options
| -rw-r--r-- | src/core/SkEdgeClipper.h | 4 | ||||
| -rw-r--r-- | tests/ClipCubicTest.cpp | 41 |
2 files changed, 43 insertions, 2 deletions
diff --git a/src/core/SkEdgeClipper.h b/src/core/SkEdgeClipper.h index b20c0a183b..1a12c1e81a 100644 --- a/src/core/SkEdgeClipper.h +++ b/src/core/SkEdgeClipper.h @@ -32,8 +32,8 @@ private: const bool fCanCullToTheRight; enum { - kMaxVerbs = 13, - kMaxPoints = 32 + kMaxVerbs = 18, // max curvature in X and Y split cubic into 9 pieces, * (line + cubic) + kMaxPoints = 54 // 2 lines + 1 cubic require 6 points; times 9 pieces }; SkPoint fPoints[kMaxPoints]; SkPath::Verb fVerbs[kMaxVerbs]; diff --git a/tests/ClipCubicTest.cpp b/tests/ClipCubicTest.cpp index 0970b833d7..1d88eaeaf7 100644 --- a/tests/ClipCubicTest.cpp +++ b/tests/ClipCubicTest.cpp @@ -162,3 +162,44 @@ DEF_TEST(ClipCubic, reporter) { test_giantClip(); } + +#include "SkSurface.h" + +DEF_TEST(test_fuzz_crbug_698714, reporter) {
+ auto surface(SkSurface::MakeRasterN32Premul(500, 500));
+ SkCanvas* canvas = surface->getCanvas();
+ SkPaint paint;
+ paint.setAntiAlias(true);
+ SkPath path;
+ path.setFillType(SkPath::kWinding_FillType);
+ path.moveTo(SkBits2Float(0x00000000), SkBits2Float(0x00000000)); // 0,0
+ path.lineTo(SkBits2Float(0x43434343), SkBits2Float(0x43430143)); //195.263f, 195.005f
+ path.lineTo(SkBits2Float(0x43434343), SkBits2Float(0x43434343)); //195.263f, 195.263f
+ path.lineTo(SkBits2Float(0xb5434343), SkBits2Float(0x434300be)); //-7.2741e-07f, 195.003f
+ // 195.263f, 195.263f, -1.16387e-05f, 3.58641e-38f, 3.85088e-29f,1.86082e-39f
+ path.cubicTo(SkBits2Float(0x43434343), SkBits2Float(0x43434341),
+ SkBits2Float(0xb74343bd), SkBits2Float(0x01434343),
+ SkBits2Float(0x10434343), SkBits2Float(0x00144332));
+ // 4.11823e-38f, 195.263f, 195.263f, 195.263f, -7.2741e-07f, 195.263f
+ path.cubicTo(SkBits2Float(0x016037c0), SkBits2Float(0x43434343),
+ SkBits2Float(0x43434343), SkBits2Float(0x43434343),
+ SkBits2Float(0xb5434343), SkBits2Float(0x43434343));
+ // 195.263f, 195.263f, -1.16387e-05f, 3.58641e-38f, 195.263f, -2
+ path.cubicTo(SkBits2Float(0x43434344), SkBits2Float(0x43434341),
+ SkBits2Float(0xb74343bd), SkBits2Float(0x01434343),
+ SkBits2Float(0x43434343), SkBits2Float(0xc0000014));
+ // -5.87228e+06f, 3.7773e-07f, 3.60231e-13f, -6.64511e+06f,2.77692e-15f, 2.48803e-15f
+ path.cubicTo(SkBits2Float(0xcab33535), SkBits2Float(0x34cacaca),
+ SkBits2Float(0x2acacaca), SkBits2Float(0xcacacae3),
+ SkBits2Float(0x27481927), SkBits2Float(0x27334805));
+ path.lineTo(SkBits2Float(0xb5434343), SkBits2Float(0x43434343)); //-7.2741e-07f, 195.263f
+ // 195.263f, 195.263f, -1.16387e-05f, 195.212f, 195.263f, -2
+ path.cubicTo(SkBits2Float(0x43434343), SkBits2Float(0x43434341),
+ SkBits2Float(0xb74343b9), SkBits2Float(0x43433643),
+ SkBits2Float(0x43434343), SkBits2Float(0xc0000014));
+ path.lineTo(SkBits2Float(0xc7004343), SkBits2Float(0x27480527)); //-32835.3f, 2.77584e-15f
+ path.lineTo(SkBits2Float(0x00000000), SkBits2Float(0x00000000)); // 0,0
+ path.close();
+ canvas->clipRect({0, 0, 65, 202});
+ canvas->drawPath(path, paint);
+}
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