diff options
Diffstat (limited to 'src/openvg/qpaintengine_vg.cpp')
-rw-r--r-- | src/openvg/qpaintengine_vg.cpp | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/src/openvg/qpaintengine_vg.cpp b/src/openvg/qpaintengine_vg.cpp index a15f0c3..22cbbf5 100644 --- a/src/openvg/qpaintengine_vg.cpp +++ b/src/openvg/qpaintengine_vg.cpp @@ -2201,6 +2201,12 @@ void QVGPaintEngine::updateScissor() #if defined(QVG_SCISSOR_CLIP) // Using the scissor to do clipping, so combine the systemClip // with the current painting clipRegion. + + if (d->maskValid) { + vgSeti(VG_MASKING, VG_FALSE); + d->maskValid = false; + } + QVGPainterState *s = state(); if (s->clipEnabled) { if (region.isEmpty()) @@ -2250,8 +2256,33 @@ void QVGPaintEngine::updateScissor() QVector<QRect> rects = region.rects(); int count = rects.count(); - if (count > d->maxScissorRects) - count = d->maxScissorRects; + if (count > d->maxScissorRects) { +#if !defined(QVG_SCISSOR_CLIP) + count = d->maxScissorRects; +#else + // Use masking + int width = paintDevice()->width(); + int height = paintDevice()->height(); + vgMask(VG_INVALID_HANDLE, VG_CLEAR_MASK, + 0, 0, width, height); + for (int i = 0; i < rects.size(); ++i) { + vgMask(VG_INVALID_HANDLE, VG_FILL_MASK, + rects[i].x(), height - rects[i].y() - rects[i].height(), + rects[i].width(), rects[i].height()); + } + + vgSeti(VG_SCISSORING, VG_FALSE); + vgSeti(VG_MASKING, VG_TRUE); + d->maskValid = true; + d->maskIsSet = false; + d->scissorMask = false; + d->scissorActive = false; + d->scissorDirty = false; + d->scissorRegion = region; + return; +#endif + } + QVarLengthArray<VGint> params(count * 4); int height = paintDevice()->height(); for (int i = 0; i < count; ++i) { |