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