diff options
| author |  caryclark <caryclark@google.com> | 2015-07-28 05:12:19 -0700 |
|---|---|---|
| committer |  Commit bot <commit-bot@chromium.org> | 2015-07-28 05:12:19 -0700 |
| commit | bb134333648c5e44e00a95b8323033a6264ecae0 (patch) | |
| tree | ac500e330c7ac52ef4ed841aa320ecf6a5860433 /tests | |
| parent | 614aa072cbb055a29f37fa25a657313bccc5d666 (diff) | |
compute split conic endpoints exactly
The divide by w can generate slightly erroneous results even
for t == 0 or t == 1. The error in turn defeats detecting
a point in common for a pair of curves that travel in
opposite directions.
Instead, special case endpoints when the t is 0 or 1.
TBR=reed@google.com
BUG=514118
Review URL: https://codereview.chromium.org/1259513004
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/PathOpsSimplifyTest.cpp | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/tests/PathOpsSimplifyTest.cpp b/tests/PathOpsSimplifyTest.cpp index 165ee8d11d..8f03ba0051 100644 --- a/tests/PathOpsSimplifyTest.cpp +++ b/tests/PathOpsSimplifyTest.cpp @@ -4874,11 +4874,29 @@ static void fuzz864a(skiatest::Reporter* reporter,const char* filename) { testSimplify(reporter, path, filename); } +static void cr514118(skiatest::Reporter* reporter,const char* filename) { + SkPath path; +path.moveTo(SkBits2Float(0x42c80000), SkBits2Float(0x42480000)); // 100, 50 +path.conicTo(SkBits2Float(0x42c80000), SkBits2Float(0x00000000), SkBits2Float(0x42480000), SkBits2Float(0x00000000), SkBits2Float(0x3f3504f3)); // 100, 0, 50, 0, 0.707107f +path.conicTo(SkBits2Float(0x00000000), SkBits2Float(0x00000000), SkBits2Float(0x00000000), SkBits2Float(0x42480000), SkBits2Float(0x3f3504f3)); // 0, 0, 0, 50, 0.707107f +path.conicTo(SkBits2Float(0x00000000), SkBits2Float(0x42c80000), SkBits2Float(0x42480000), SkBits2Float(0x42c80000), SkBits2Float(0x3f3504f3)); // 0, 100, 50, 100, 0.707107f +path.conicTo(SkBits2Float(0x42c80000), SkBits2Float(0x42c80000), SkBits2Float(0x42c80000), SkBits2Float(0x42480000), SkBits2Float(0x3f3504f3)); // 100, 100, 100, 50, 0.707107f +path.close(); +path.moveTo(SkBits2Float(0x42c80133), SkBits2Float(0x42480000)); // 100.002f, 50 +path.conicTo(SkBits2Float(0x42c80133), SkBits2Float(0x00000000), SkBits2Float(0x42480267), SkBits2Float(0x00000000), SkBits2Float(0x3f3504f3)); // 100.002f, 0, 50.0023f, 0, 0.707107f +path.conicTo(SkBits2Float(0x3b19b530), SkBits2Float(0x00000000), SkBits2Float(0x3b19b530), SkBits2Float(0x42480000), SkBits2Float(0x3f3504f3)); // 0.00234539f, 0, 0.00234539f, 50, 0.707107f +path.conicTo(SkBits2Float(0x3b19b530), SkBits2Float(0x42c80000), SkBits2Float(0x42480267), SkBits2Float(0x42c80000), SkBits2Float(0x3f3504f3)); // 0.00234539f, 100, 50.0023f, 100, 0.707107f +path.conicTo(SkBits2Float(0x42c80133), SkBits2Float(0x42c80000), SkBits2Float(0x42c80133), SkBits2Float(0x42480000), SkBits2Float(0x3f3504f3)); // 100.002f, 100, 100.002f, 50, 0.707107f +path.close(); + testSimplify(reporter, path, filename); +} + static void (*skipTest)(skiatest::Reporter* , const char* filename) = 0; static void (*firstTest)(skiatest::Reporter* , const char* filename) = 0; static void (*stopTest)(skiatest::Reporter* , const char* filename) = 0; static TestDesc tests[] = { + TEST(cr514118), TEST(fuzz864a), TEST(testQuads65), TEST(testIssue3838_3), |