diff options
Diffstat (limited to 'src/gui/painting/qcosmeticstroker.cpp')
| -rw-r--r-- | src/gui/painting/qcosmeticstroker.cpp | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/src/gui/painting/qcosmeticstroker.cpp b/src/gui/painting/qcosmeticstroker.cpp index 5cbcdf83d4..ba0d1871d1 100644 --- a/src/gui/painting/qcosmeticstroker.cpp +++ b/src/gui/painting/qcosmeticstroker.cpp @@ -147,12 +147,14 @@ inline void drawPixel(QCosmeticStroker *stroker, int x, int y, int coverage) if (x < cl.x() || x > cl.right() || y < cl.y() || y > cl.bottom()) return; - int lastx = stroker->spans[stroker->current_span-1].x + stroker->spans[stroker->current_span-1].len ; - int lasty = stroker->spans[stroker->current_span-1].y; + if (stroker->current_span > 0) { + const int lastx = stroker->spans[stroker->current_span-1].x + stroker->spans[stroker->current_span-1].len ; + const int lasty = stroker->spans[stroker->current_span-1].y; - if (stroker->current_span == QCosmeticStroker::NSPANS || y < lasty || (y == lasty && x < lastx)) { - stroker->blend(stroker->current_span, stroker->spans, &stroker->state->penData); - stroker->current_span = 0; + if (stroker->current_span == QCosmeticStroker::NSPANS || y < lasty || (y == lasty && x < lastx)) { + stroker->blend(stroker->current_span, stroker->spans, &stroker->state->penData); + stroker->current_span = 0; + } } stroker->spans[stroker->current_span].x = ushort(x); |