Files
oak-editor/app/node/gizmo/point.cpp
T
2025-08-05 17:12:49 +08:00

107 lines
2.4 KiB
C++

/*
* Olive Community Edition - Non-Linear Video Editor
* Copyright (C) 2025 Olive CE Team
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "point.h"
#include <QApplication>
namespace olive
{
PointGizmo::PointGizmo(const Shape &shape, bool smaller, QObject *parent)
: DraggableGizmo{ parent }
, shape_(shape)
, smaller_(smaller)
{
}
PointGizmo::PointGizmo(const Shape &shape, QObject *parent)
: PointGizmo(shape, false, parent)
{
}
PointGizmo::PointGizmo(QObject *parent)
: PointGizmo(kSquare, parent)
{
}
void PointGizmo::Draw(QPainter *p) const
{
QRectF rect = GetDrawingRect(p->transform(), GetStandardRadius());
if (shape_ != kAnchorPoint) {
p->setPen(QPen(Qt::black, 0));
p->setBrush(Qt::white);
}
switch (shape_) {
case kSquare:
p->drawRect(rect);
break;
case kCircle:
p->drawEllipse(rect);
break;
case kAnchorPoint:
p->setPen(QPen(Qt::white, 0));
p->setBrush(Qt::NoBrush);
p->drawEllipse(rect);
p->drawLines({ QPointF(rect.left(), rect.center().y()),
QPointF(rect.right(), rect.center().y()),
QPointF(rect.center().x(), rect.top()),
QPointF(rect.center().x(), rect.bottom()) });
break;
}
}
QRectF PointGizmo::GetClickingRect(const QTransform &t) const
{
return GetDrawingRect(t, GetStandardRadius());
}
double PointGizmo::GetStandardRadius()
{
return QFontMetrics(qApp->font()).height() * 0.25;
}
QRectF PointGizmo::GetDrawingRect(const QTransform &transform,
double radius) const
{
QRectF r(0, 0, radius, radius);
r = transform.inverted().mapRect(r);
double width = r.width();
double height = r.height();
if (shape_ == kAnchorPoint) {
width *= 2;
height *= 2;
}
if (smaller_) {
width *= 0.5;
height *= 0.5;
}
return QRectF(point_.x() - width, point_.y() - height, 2 * width,
2 * height);
}
}