tdesktop/Telegram/SourceFiles/ui/animation.cpp

119 lines
2.6 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 "animation.h"
#include "media/clip/media_clip_reader.h"
namespace Media {
namespace Clip {
Reader *const ReaderPointer::BadPointer = SharedMemoryLocation<Reader, 0>();
ReaderPointer::~ReaderPointer() {
if (valid()) {
delete _pointer;
}
_pointer = nullptr;
}
} // namespace Clip
} // namespace Media
namespace {
bool AnimationsDisabled = false;
} // namespace
namespace anim {
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