109 lines
2.4 KiB
C++
109 lines
2.4 KiB
C++
/***
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Olive - Non-Linear Video Editor
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Copyright (C) 2022 Olive Team
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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***/
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#include "point.h"
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#include <QApplication>
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namespace olive {
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PointGizmo::PointGizmo(const Shape &shape, bool smaller, QObject *parent) :
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DraggableGizmo{parent},
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shape_(shape),
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smaller_(smaller)
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{
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}
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PointGizmo::PointGizmo(const Shape &shape, QObject *parent) :
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PointGizmo(shape, false, parent)
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{
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}
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PointGizmo::PointGizmo(QObject *parent) :
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PointGizmo(kSquare, parent)
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{
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}
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void PointGizmo::Draw(QPainter *p) const
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{
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QRectF rect = GetDrawingRect(p->transform(), GetStandardRadius());
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if (shape_ != kAnchorPoint) {
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p->setPen(Qt::NoPen);
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p->setBrush(Qt::white);
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}
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switch (shape_) {
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case kSquare:
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p->drawRect(rect);
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break;
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case kCircle:
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p->drawEllipse(rect);
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break;
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case kAnchorPoint:
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p->setPen(QPen(Qt::white, 0));
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p->setBrush(Qt::NoBrush);
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p->drawEllipse(rect);
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p->drawLines({QPointF(rect.left(), rect.center().y()),
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QPointF(rect.right(), rect.center().y()),
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QPointF(rect.center().x(), rect.top()),
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QPointF(rect.center().x(), rect.bottom())});
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break;
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}
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}
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QRectF PointGizmo::GetClickingRect(const QTransform &t) const
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{
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return GetDrawingRect(t, GetStandardRadius());
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}
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double PointGizmo::GetStandardRadius()
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{
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return QFontMetrics(qApp->font()).height() * 0.25;
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}
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QRectF PointGizmo::GetDrawingRect(const QTransform &transform, double radius) const
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{
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QRectF r(0,0, radius, radius);
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r = transform.inverted().mapRect(r);
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double width = r.width();
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double height = r.height();
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if (shape_ == kAnchorPoint) {
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width *= 2;
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height *= 2;
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}
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if (smaller_) {
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width *= 0.5;
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height *= 0.5;
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}
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return QRectF(point_.x() - width,
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point_.y() - height,
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2*width,
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2*height);
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}
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}
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