diff options
Diffstat (limited to 'src/core/SkEdge.cpp')
| -rw-r--r-- | src/core/SkEdge.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/core/SkEdge.cpp b/src/core/SkEdge.cpp index fff3dbcc6a..e646c4765f 100644 --- a/src/core/SkEdge.cpp +++ b/src/core/SkEdge.cpp @@ -72,8 +72,9 @@ int SkEdge::setLine(const SkPoint& p0, const SkPoint& p1, const SkIRect* clip, } SkFixed slope = SkFDot6Div(x1 - x0, y1 - y0); + const int dy = SkEdge_Compute_DY(top, y0); - fX = SkFDot6ToFixed(x0 + SkFixedMul(slope, (32 - y0) & 63)); // + SK_Fixed1/2 + fX = SkFDot6ToFixed(x0 + SkFixedMul(slope, dy)); // + SK_Fixed1/2 fDX = slope; fFirstY = top; fLastY = bot - 1; @@ -112,8 +113,9 @@ int SkEdge::updateLine(SkFixed x0, SkFixed y0, SkFixed x1, SkFixed y1) x1 >>= 10; SkFixed slope = SkFDot6Div(x1 - x0, y1 - y0); + const int dy = SkEdge_Compute_DY(top, y0); - fX = SkFDot6ToFixed(x0 + SkFixedMul(slope, (32 - y0) & 63)); // + SK_Fixed1/2 + fX = SkFDot6ToFixed(x0 + SkFixedMul(slope, dy)); // + SK_Fixed1/2 fDX = slope; fFirstY = top; fLastY = bot - 1; |