void QNanoQuickItemPainter::render()
{
m_painter->reset(); // reset context data as painter is shared.
// Update antialiasing if needed
nvgInternalParams(m_painter->nvgCtx())->edgeAntiAlias = m_antialiasing;
m_painter->setPixelAlign(static_cast<QNanoPainter::PixelAlign>(m_pixelAlign));
m_painter->setPixelAlignText(static_cast<QNanoPainter::PixelAlign>(m_pixelAlignText));
m_painter->m_devicePixelRatio = m_devicePixelRatio;
// Draw only when item has visible size. This way setup and painting is
// not called until size has been properly set.
if ((m_itemWidth > 0 && m_itemHeight > 0) || m_setupDone) {
m_setupDone = true;
prepaint();
paint(m_painter.data());
postpaint();
}
}
void VisWidget::paintEvent(QPaintEvent *event)
{
Q_UNUSED(event);
prepaint();
// Clear
qglClearColor(backgroundColor);
glClear(GL_COLOR_BUFFER_BIT);
beginNativeGL();
{
drawNativeGL();
}
endNativeGL();
QPainter painter(this);
//painter.begin(this);
painter.setRenderHint(QPainter::Antialiasing);
qtPaint(&painter);
painter.end();
}