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QtLottie: Fix SpatialProperty interpolation.

This commit is contained in:
John Preston 2019-05-02 16:42:53 +04:00
parent d1518da1ad
commit 9b7e3dc3ec
3 changed files with 16 additions and 13 deletions
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2
Telegram/ThirdParty/qtlottie vendored

@ -1 +1 @@
Subproject commit 57e54b3d5839431d935899c111f63daec3f53c30
Subproject commit 1d23bd35d1e540d7c1aaf7ff88db22d914f4947c

9
Telegram/ThirdParty/qtlottie_helper/QtBodymovin/private/bmproperty_p.h vendored
View File

@ -70,6 +70,7 @@ struct EasingSegment {
T startValue;
T endValue;
BezierEasing easing;
QPainterPath bezier;
};
template<typename T>
@ -98,7 +99,7 @@ public:
if (m_easingCurves.length() > 1) {
postprocessEasingCurve(
m_easingCurves.at(m_easingCurves.length() - 2),
m_easingCurves[m_easingCurves.length() - 2],
(*previous).toObject(),
fromExpression);
}
@ -107,7 +108,7 @@ public:
}
finalizeEasingCurves();
if (m_easingCurves.length() > 0) {
const EasingSegment<T> &last = m_easingCurves.last();
EasingSegment<T> &last = m_easingCurves.last();
if (last.state == EasingSegmentState::Complete) {
postprocessEasingCurve(
last,
@ -159,7 +160,7 @@ protected:
// The end value has to be hand picked to the
// previous easing segment, as the json data does
// not contain end values for segments
prevEase.endFrame = easing.startFrame - 1;
prevEase.endFrame = easing.startFrame;
if (prevEase.state == EasingSegmentState::Incomplete) {
prevEase.endValue = easing.startValue;
prevEase.state = EasingSegmentState::Complete;
@ -262,7 +263,7 @@ protected:
}
virtual void postprocessEasingCurve(
const EasingSegment<T> &easing,
EasingSegment<T> &easing,
const QJsonObject keyframe,
bool fromExpression) {
}

18
Telegram/ThirdParty/qtlottie_helper/QtBodymovin/private/bmspatialproperty_p.h vendored
View File

@ -58,7 +58,7 @@ public:
}
virtual void postprocessEasingCurve(
const EasingSegment<QPointF> &easing,
EasingSegment<QPointF> &easing,
const QJsonObject keyframe,
bool fromExpression) override {
// No need to parse further incomplete keyframes (i.e. last keyframes)
@ -99,8 +99,8 @@ public:
c1 += s;
c2 += e;
m_bezierPath.moveTo(s);
m_bezierPath.cubicTo(c1, c2, e);
easing.bezier.moveTo(s);
easing.bezier.cubicTo(c1, c2, e);
}
virtual bool update(int frame) override
@ -111,20 +111,22 @@ public:
int adjustedFrame = qBound(m_startFrame, frame, m_endFrame);
if (const EasingSegment<QPointF> *easing = getEasingSegment(adjustedFrame)) {
if (easing->state == EasingSegmentState::Complete) {
qreal progress = ((adjustedFrame - m_startFrame) * 1.0) / (m_endFrame - m_startFrame);
int length = (easing->endFrame - easing->startFrame);
qreal progress = (length > 0)
? ((adjustedFrame - easing->startFrame) * 1.0) / length
: 1.;
qreal easedValue = easing->easing.valueForProgress(progress);
m_value = m_bezierPath.pointAtPercent(easedValue);
m_value = easing->bezier.pointAtPercent(easedValue);
} else {
// In case of incomplete easing we should just take the final point.
m_value = m_bezierPath.pointAtPercent(1.);
//m_value = m_bezierPath.pointAtPercent(1.);
m_value = easing->endValue;
}
}
return true;
}
private:
QPainterPath m_bezierPath;
};
QT_END_NAMESPACE