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| author |  Cary Clark <caryclark@skia.org> | 2017-12-13 12:47:15 -0500 |
|---|---|---|
| committer |  Skia Commit-Bot <skia-commit-bot@chromium.org> | 2017-12-15 16:10:38 +0000 |
| commit | 0b1df4b87a6d97d2a590b011e6d748eef3709cb4 (patch) | |
| tree | 51ad9e2daf8db3ea8113e5513fa0cfdde9ddc48c /src/utils/SkDashPath.cpp | |
| parent | 67a86d50f38d3a646ed165f7c6a7d58fda45cbab (diff) | |
fix zero length dashed lines
targeted fix turns zero length line
into very short line.
R=egdaniel@google.com
Bug: skia:7387
Change-Id: Ic2a809d30d722f4e8f51d9205666dc1476a10067
Reviewed-on: https://skia-review.googlesource.com/84661
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Cary Clark <caryclark@google.com>
Diffstat (limited to 'src/utils/SkDashPath.cpp')
| -rw-r--r-- | src/utils/SkDashPath.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/utils/SkDashPath.cpp b/src/utils/SkDashPath.cpp index d3c52daee2..cbfc8f2168 100644 --- a/src/utils/SkDashPath.cpp +++ b/src/utils/SkDashPath.cpp @@ -140,6 +140,12 @@ static bool cull_path(const SkPath& srcPath, const SkStrokeRec& rec, pts[0].fX = minX; pts[1].fX = maxX; + // If line is zero-length, bump out the end by a tiny amount + // to draw endcaps. The bump factor is sized so that + // SkPoint::Distance() computes a non-zero length. + if (minX == maxX) { + pts[1].fX += maxX * FLT_EPSILON * 32; // 16 instead of 32 does not draw; length stays zero + } dstPath->moveTo(pts[0]); dstPath->lineTo(pts[1]); return true; |