104 lines
2.4 KiB
C++
104 lines
2.4 KiB
C++
/*
|
|
This file is part of Telegram Desktop,
|
|
the official desktop application for the Telegram messaging service.
|
|
|
|
For license and copyright information please follow this link:
|
|
https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
|
|
*/
|
|
#include "ui/effects/animation_value.h"
|
|
|
|
#include "ui/painter.h"
|
|
|
|
#include <QtCore/QtMath> // M_PI
|
|
|
|
namespace anim {
|
|
namespace {
|
|
|
|
bool AnimationsDisabled = false;
|
|
|
|
} // namespace
|
|
|
|
transition linear = [](const float64 &delta, const float64 &dt) {
|
|
return delta * dt;
|
|
};
|
|
|
|
transition sineInOut = [](const float64 &delta, const float64 &dt) {
|
|
return -(delta / 2) * (cos(M_PI * dt) - 1);
|
|
};
|
|
|
|
transition halfSine = [](const float64 &delta, const float64 &dt) {
|
|
return delta * sin(M_PI * dt / 2);
|
|
};
|
|
|
|
transition easeOutBack = [](const float64 &delta, const float64 &dt) {
|
|
static constexpr auto s = 1.70158;
|
|
|
|
const float64 t = dt - 1;
|
|
return delta * (t * t * ((s + 1) * t + s) + 1);
|
|
};
|
|
|
|
transition easeInCirc = [](const float64 &delta, const float64 &dt) {
|
|
return -delta * (sqrt(1 - dt * dt) - 1);
|
|
};
|
|
|
|
transition easeOutCirc = [](const float64 &delta, const float64 &dt) {
|
|
const float64 t = dt - 1;
|
|
return delta * sqrt(1 - t * t);
|
|
};
|
|
|
|
transition easeInCubic = [](const float64 &delta, const float64 &dt) {
|
|
return delta * dt * dt * dt;
|
|
};
|
|
|
|
transition easeOutCubic = [](const float64 &delta, const float64 &dt) {
|
|
const float64 t = dt - 1;
|
|
return delta * (t * t * t + 1);
|
|
};
|
|
|
|
transition easeInQuint = [](const float64 &delta, const float64 &dt) {
|
|
const float64 t2 = dt * dt;
|
|
return delta * t2 * t2 * dt;
|
|
};
|
|
|
|
transition easeOutQuint = [](const float64 &delta, const float64 &dt) {
|
|
const float64 t = dt - 1, t2 = t * t;
|
|
return delta * (t2 * t2 * t + 1);
|
|
};
|
|
|
|
bool Disabled() {
|
|
return AnimationsDisabled;
|
|
}
|
|
|
|
void SetDisabled(bool disabled) {
|
|
AnimationsDisabled = disabled;
|
|
}
|
|
|
|
void DrawStaticLoading(
|
|
QPainter &p,
|
|
QRectF rect,
|
|
int stroke,
|
|
QPen pen,
|
|
QBrush brush) {
|
|
PainterHighQualityEnabler hq(p);
|
|
|
|
p.setBrush(brush);
|
|
pen.setWidthF(stroke);
|
|
pen.setCapStyle(Qt::RoundCap);
|
|
pen.setJoinStyle(Qt::RoundJoin);
|
|
p.setPen(pen);
|
|
p.drawEllipse(rect);
|
|
|
|
const auto center = rect.center();
|
|
const auto first = QPointF(center.x(), rect.y() + 1.5 * stroke);
|
|
const auto delta = center.y() - first.y();
|
|
const auto second = QPointF(center.x() + delta * 2 / 3., center.y());
|
|
if (delta > 0) {
|
|
QPainterPath path;
|
|
path.moveTo(first);
|
|
path.lineTo(center);
|
|
path.lineTo(second);
|
|
p.drawPath(path);
|
|
}
|
|
}
|
|
|
|
} // anim
|