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corrected bezier handles inverting Y values

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This commit is contained in:
itsmattkc
2019-01-04 12:31:14 +11:00
parent 4157e4d432
commit 50a64c3bf5
1 changed files with 9 additions and 9 deletions
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ui/graphview.cpp
+9 -9
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@@ -41,7 +41,7 @@ GraphView::GraphView(QWidget* parent) :
current_handle(BEZIER_HANDLE_NONE)
{
setMouseTracking(true);
setFocusPolicy(Qt::ClickFocus);
setFocusPolicy(Qt::ClickFocus);
}
void GraphView::paintEvent(QPaintEvent *event) {
@@ -129,20 +129,20 @@ void GraphView::paintEvent(QPaintEvent *event) {
if (last_key.type == KEYFRAME_TYPE_BEZIER && key.type == KEYFRAME_TYPE_BEZIER) {
// cubic bezier
bezier_path.cubicTo(
QPointF(last_key_x+last_key.post_handle_x, last_key_y+last_key.post_handle_y),
QPointF(key_x+key.pre_handle_x, key_y+key.pre_handle_y),
QPointF(last_key_x+last_key.post_handle_x*zoom, last_key_y+last_key.post_handle_y*zoom),
QPointF(key_x+key.pre_handle_x*zoom, key_y-key.pre_handle_y*zoom),
QPointF(key_x, key_y)
);
} else if (key.type == KEYFRAME_TYPE_LINEAR) { // quadratic bezier
// last keyframe is the bezier one
bezier_path.quadTo(
QPointF(last_key_x+last_key.post_handle_x, last_key_y+last_key.post_handle_y),
QPointF(last_key_x+last_key.post_handle_x*zoom, last_key_y+last_key.post_handle_y*zoom),
QPointF(key_x, key_y)
);
} else {
// this keyframe is the bezier one
bezier_path.quadTo(
QPointF(key_x+key.pre_handle_x, key_y+key.pre_handle_y),
QPointF(key_x+key.pre_handle_x*zoom, key_y-key.pre_handle_y*zoom),
QPointF(key_x, key_y)
);
}
@@ -167,12 +167,12 @@ void GraphView::paintEvent(QPaintEvent *event) {
p.setPen(Qt::gray);
// pre handle line
QPointF pre_point(key_x + key.pre_handle_x*zoom, key_y + key.pre_handle_y*zoom);
QPointF pre_point(key_x + key.pre_handle_x*zoom, key_y - key.pre_handle_y*zoom);
p.drawLine(pre_point, QPointF(key_x, key_y));
p.drawEllipse(pre_point, BEZIER_HANDLE_SIZE, BEZIER_HANDLE_SIZE);
// post handle line
QPointF post_point(key_x + key.post_handle_x*zoom, key_y + key.post_handle_y*zoom);
QPointF post_point(key_x + key.post_handle_x*zoom, key_y - key.post_handle_y*zoom);
p.drawLine(post_point, QPointF(key_x, key_y));
p.drawEllipse(post_point, BEZIER_HANDLE_SIZE, BEZIER_HANDLE_SIZE);
}
@@ -304,13 +304,13 @@ void GraphView::mouseMoveEvent(QMouseEvent *event) {
break;
case BEZIER_HANDLE_PRE:
row->field(selected_keys_fields.last())->keyframes[selected_keys.last()].pre_handle_x = old_handle_x + double(event->pos().x() - start_x)/zoom;
row->field(selected_keys_fields.last())->keyframes[selected_keys.last()].pre_handle_y = old_handle_y + double(event->pos().y() - start_y)/zoom;
row->field(selected_keys_fields.last())->keyframes[selected_keys.last()].pre_handle_y = old_handle_y + double(start_y - event->pos().y())/zoom;
moved_keys = true;
update_ui(false);
break;
case BEZIER_HANDLE_POST:
row->field(selected_keys_fields.last())->keyframes[selected_keys.last()].post_handle_x = old_handle_x + double(event->pos().x() - start_x)/zoom;
row->field(selected_keys_fields.last())->keyframes[selected_keys.last()].post_handle_y = old_handle_y + double(event->pos().y() - start_y)/zoom;
row->field(selected_keys_fields.last())->keyframes[selected_keys.last()].post_handle_y = old_handle_y + double(start_y - event->pos().y())/zoom;
moved_keys = true;
update_ui(false);
break;