bool RGBMatrixEditor::createPreviewItems()
{
m_previewHash.clear();
m_scene->clear();
FixtureGroup* grp = m_doc->fixtureGroup(m_matrix->fixtureGroup());
if (grp == NULL)
{
QGraphicsTextItem* text = new QGraphicsTextItem(tr("No fixture group to control"));
text->setDefaultTextColor(Qt::white);
m_scene->addItem(text);
return false;
}
m_previewDirection = m_matrix->direction();
if (m_previewDirection == Function::Forward)
{
m_matrix->setStepColor(m_matrix->startColor());
}
else
{
if (m_matrix->endColor().isValid())
m_matrix->setStepColor(m_matrix->endColor());
else
m_matrix->setStepColor(m_matrix->startColor());
}
m_matrix->calculateColorDelta();
m_previewMaps = m_matrix->previewMaps();
if ((m_previewDirection == Function::Forward) || m_previewMaps.isEmpty())
{
m_previewStep = 0;
}
else
{
m_previewStep = m_previewMaps.size() - 1;
}
RGBMap map;
if (m_previewStep < m_previewMaps.size())
map = m_previewMaps[m_previewStep];
if (map.isEmpty())
return false;
for (int x = 0; x < grp->size().width(); x++)
{
for (int y = 0; y < grp->size().height(); y++)
{
QLCPoint pt(x, y);
if (grp->headHash().contains(pt) == true)
{
RGBItem* item = new RGBItem;
item->setRect(x * RECT_SIZE + RECT_PADDING + ITEM_PADDING,
y * RECT_SIZE + RECT_PADDING + ITEM_PADDING,
ITEM_SIZE - (2 * ITEM_PADDING),
ITEM_SIZE - (2 * ITEM_PADDING));
item->setColor(map[y][x]);
item->draw(0);
m_scene->addItem(item);
m_previewHash[pt] = item;
}
}
}
return true;
}
void RGBMatrixEditor::slotPreviewTimeout()
{
if (m_matrix == NULL || m_group == NULL || m_matrix->duration() <= 0)
return;
RGBMap map;
m_previewIterator += MasterTimer::tick();
if (m_previewIterator >= m_matrix->duration())
{
int stepsCount = m_matrix->stepsCount();
//qDebug() << "previewTimeout. Step:" << m_previewStep;
if (m_matrix->runOrder() == RGBMatrix::PingPong)
{
if (m_previewDirection == Function::Forward && (m_previewStep + 1) == stepsCount)
m_previewDirection = Function::Backward;
else if (m_previewDirection == Function::Backward && (m_previewStep - 1) < 0)
m_previewDirection = Function::Forward;
}
if (m_previewDirection == Function::Forward)
{
m_previewStep++;
if (m_previewStep >= stepsCount)
{
m_previewStep = 0;
m_matrix->setStepColor(m_matrix->startColor());
}
else
m_matrix->updateStepColor(m_previewStep);
}
else
{
m_previewStep--;
if (m_previewStep < 0)
{
m_previewStep = stepsCount - 1;
if (m_matrix->endColor().isValid())
m_matrix->setStepColor(m_matrix->endColor());
else
m_matrix->setStepColor(m_matrix->startColor());
}
else
m_matrix->updateStepColor(m_previewStep);
}
map = m_matrix->previewMap(m_previewStep);
m_previewIterator = 0;
/*
for (int y = 0; y < map.size(); y++)
{
for (int x = 0; x < map[y].size(); x++)
{
QLCPoint pt(x, y);
if (m_group->head(pt).isValid())
{
if (shape->color() != QColor(map[y][x]).rgb())
shape->setColor(map[y][x]);
if (shape->color() == QColor(Qt::black).rgb())
shape->draw(m_matrix->fadeOutSpeed());
else
shape->draw(m_matrix->fadeInSpeed());
}
}
}
*/
if (m_previewData.isEmpty() || map.isEmpty())
return;
QHashIterator<QLCPoint, GroupHead> it(m_group->headHash());
while(it.hasNext())
{
it.next();
QLCPoint pt(it.key());
//GroupHead head(it.value());
int ptIdx = pt.x() + (pt.y() * m_group->size().width());
if (ptIdx < m_previewData.size())
m_previewData[ptIdx] = QVariant(QColor(map[pt.y()][pt.x()]));
}
//qDebug() << "Preview data changed !";
emit previewDataChanged(m_previewData);
}
}