itsmattkc
3f7381f7cb
It's been 84 years, but the polygon generator not only works, but now has bezier support. The UI could still use some work, but this was the hardest part. I guess complex masking should be possible now, if perhaps slightly cumbersome until the UI is smoothed out.
104 lines
2.7 KiB
C++
104 lines
2.7 KiB
C++
/***
|
|
|
|
Olive - Non-Linear Video Editor
|
|
Copyright (C) 2021 Olive 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/>.
|
|
|
|
***/
|
|
|
|
#ifndef BEZIER_H
|
|
#define BEZIER_H
|
|
|
|
#include <QPointF>
|
|
#include <QObject>
|
|
|
|
#include "common/define.h"
|
|
|
|
namespace olive {
|
|
|
|
class Bezier
|
|
{
|
|
public:
|
|
Bezier();
|
|
Bezier(double x, double y);
|
|
Bezier(double x, double y, double cp1_x, double cp1_y, double cp2_x, double cp2_y);
|
|
|
|
const double &x() const {return x_; }
|
|
const double &y() const {return y_; }
|
|
const double &cp1_x() const { return cp1_x_; }
|
|
const double &cp1_y() const { return cp1_y_; }
|
|
const double &cp2_x() const { return cp2_x_; }
|
|
const double &cp2_y() const { return cp2_y_; }
|
|
|
|
QPointF ToPointF() const
|
|
{
|
|
return QPointF(x_, y_);
|
|
}
|
|
|
|
QPointF ControlPoint1ToPointF() const
|
|
{
|
|
return QPointF(cp1_x_, cp1_y_);
|
|
}
|
|
|
|
QPointF ControlPoint2ToPointF() const
|
|
{
|
|
return QPointF(cp2_x_, cp2_y_);
|
|
}
|
|
|
|
void set_x(const double &x) { x_ = x; }
|
|
void set_y(const double &y) { y_ = y; }
|
|
void set_cp1_x(const double &cp1_x) { cp1_x_ = cp1_x; }
|
|
void set_cp1_y(const double &cp1_y) { cp1_y_ = cp1_y; }
|
|
void set_cp2_x(const double &cp2_x) { cp2_x_ = cp2_x; }
|
|
void set_cp2_y(const double &cp2_y) { cp2_y_ = cp2_y; }
|
|
|
|
static double QuadraticXtoT(double x, double a, double b, double c);
|
|
|
|
static double QuadraticTtoY(double a, double b, double c, double t);
|
|
|
|
static double QuadraticXtoY(double x, const QPointF &a, const QPointF &b, const QPointF &c)
|
|
{
|
|
return QuadraticTtoY(a.y(), b.y(), c.y(), QuadraticXtoT(x, a.x(), b.x(), c.x()));
|
|
}
|
|
|
|
static double CubicXtoT(double x, double a, double b, double c, double d);
|
|
|
|
static double CubicTtoY(double a, double b, double c, double d, double t);
|
|
|
|
static double CubicXtoY(double x, const QPointF &a, const QPointF &b, const QPointF &c, const QPointF &d)
|
|
{
|
|
return CubicTtoY(a.y(), b.y(), c.y(), d.y(), CubicXtoT(x, a.x(), b.x(), c.x(), d.x()));
|
|
}
|
|
|
|
private:
|
|
static double CalculateTFromX(bool cubic, double x, double a, double b, double c, double d);
|
|
|
|
double x_;
|
|
double y_;
|
|
|
|
double cp1_x_;
|
|
double cp1_y_;
|
|
|
|
double cp2_x_;
|
|
double cp2_y_;
|
|
|
|
};
|
|
|
|
}
|
|
|
|
Q_DECLARE_METATYPE(olive::Bezier);
|
|
|
|
#endif // BEZIER_H
|