diff options
Diffstat (limited to 'src/quickshapes/qquickshape.cpp')
| -rw-r--r-- | src/quickshapes/qquickshape.cpp | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/quickshapes/qquickshape.cpp b/src/quickshapes/qquickshape.cpp index bdfd5e3f76..f9c0968c7e 100644 --- a/src/quickshapes/qquickshape.cpp +++ b/src/quickshapes/qquickshape.cpp @@ -1522,6 +1522,7 @@ static void generateGradientColorTable(const QQuickShapeGradientCacheKey &gradie { int pos = 0; const QGradientStops &s = gradient.stops; + Q_ASSERT(!s.isEmpty()); const bool colorInterpolation = true; uint alpha = qRound(opacity * 256); @@ -1559,8 +1560,6 @@ static void generateGradientColorTable(const QQuickShapeGradientCacheKey &gradie current_color = next_color; } - Q_ASSERT(s.size() > 0); - uint last_color = ARGB2RGBA(qPremultiply(ARGB_COMBINE_ALPHA(s[sLast].second.rgba(), alpha))); for ( ; pos < size; ++pos) colorTable[pos] = last_color; @@ -1595,7 +1594,10 @@ QSGTexture *QQuickShapeGradientCache::get(const QQuickShapeGradientCacheKey &gra if (!tx) { static const int W = 1024; // texture size is 1024x1 QImage gradTab(W, 1, QImage::Format_RGBA8888_Premultiplied); - generateGradientColorTable(grad, reinterpret_cast<uint *>(gradTab.bits()), W, 1.0f); + if (!grad.stops.isEmpty()) + generateGradientColorTable(grad, reinterpret_cast<uint *>(gradTab.bits()), W, 1.0f); + else + gradTab.fill(Qt::black); tx = new QSGPlainTexture; tx->setImage(gradTab); switch (grad.spread) { |