diff options
| -rw-r--r-- | src/core/SkBlitter.cpp | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/core/SkBlitter.cpp b/src/core/SkBlitter.cpp index ccc31d093b..9800d2cff9 100644 --- a/src/core/SkBlitter.cpp +++ b/src/core/SkBlitter.cpp @@ -113,7 +113,12 @@ void SkBlitter::blitCoverageDeltas(SkCoverageDeltaList* deltas, const SkIRect& c SkIRect rowIR = SkIRect::MakeLTRB(clip.fLeft, y, clip.fRight, y + 1); SkSTArenaAlloc<SkCoverageDeltaMask::MAX_SIZE> alloc; SkCoverageDeltaMask mask(&alloc, rowIR); - for(int i = 0; i < deltas->count(y); ++i) { + + int i = 0; + // skip deltas with x less than clip.fLeft; they must be precision errors + for(; i < deltas->count(y) && deltas->getDelta(y, i).fX < clip.fLeft; ++i) + ; + for(; i < deltas->count(y) && deltas->getDelta(y, i).fX < clip.fRight; ++i) { const SkCoverageDelta& delta = deltas->getDelta(y, i); mask.addDelta(delta.fX, y, delta.fDelta); } @@ -130,7 +135,8 @@ void SkBlitter::blitCoverageDeltas(SkCoverageDeltaList* deltas, const SkIRect& c SkFixed coverage = 0; // init coverage to 0 // skip deltas with x less than clip.fLeft; they must be precision errors - for(; i < deltas->count(y) && deltas->getDelta(y, i).fX < clip.fLeft; ++i); + for(; i < deltas->count(y) && deltas->getDelta(y, i).fX < clip.fLeft; ++i) + ; for(; i < deltas->count(y) && deltas->getDelta(y, i).fX < clip.fRight; ++i) { const SkCoverageDelta& delta = deltas->getDelta(y, i); SkASSERT(delta.fX >= lastX); // delta must be x sorted |