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implemented support for trimming transitions

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This commit is contained in:
itsmattkc
2020-01-07 01:47:58 +11:00
parent e71697f693
commit 5d8be03970
10 changed files with 140 additions and 43 deletions
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app/widget/timelinewidget/view/timelineviewblockitem.cpp
+19 -10
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@@ -146,17 +146,8 @@ void TimelineViewBlockItem::paint(QPainter *painter, const QStyleOptionGraphicsI
TransitionBlock* t = static_cast<TransitionBlock*>(block_);
if (t->connected_out_block()) {
// Transition fades something out, we'll draw a line
painter->drawLine(rect().topLeft(), rect().bottomRight());
}
if (t->connected_in_block()) {
// Transition fades something in, we'll draw a line
painter->drawLine(rect().bottomLeft(), rect().topRight());
}
if (t->connected_out_block() && t->connected_in_block()) {
// Draw line between out offset and in offset
qreal crossover_line = rect().left();
crossover_line += TimeToScene(t->out_offset());
@@ -164,6 +155,24 @@ void TimelineViewBlockItem::paint(QPainter *painter, const QStyleOptionGraphicsI
qRound(rect().top()),
qRound(crossover_line),
qRound(rect().bottom()));
// Draw lines to mid point
QPointF mid_point(crossover_line, rect().center().y());
painter->drawLine(rect().topLeft(), mid_point);
painter->drawLine(rect().bottomLeft(), mid_point);
painter->drawLine(rect().topRight(), mid_point);
painter->drawLine(rect().bottomRight(), mid_point);
} else if (t->connected_out_block()) {
// Transition fades something out, we'll draw a line
painter->drawLine(rect().topLeft(), rect().bottomRight());
} else if (t->connected_in_block()) {
// Transition fades something in, we'll draw a line
painter->drawLine(rect().bottomLeft(), rect().topRight());
}
break;
}