Connect CurveEditor edits to the timeline module

Change-Id: Ic00e0840da34bdbb8627b2fe2d8546a867b24966
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>
This commit is contained in:
Knud Dollereder
2019-06-28 10:45:28 +02:00
parent a96095a2bf
commit 4a673896a6
43 changed files with 2145 additions and 531 deletions

View File

@@ -24,40 +24,69 @@
****************************************************************************/
#include "animationcurve.h"
#include "detail/curvesegment.h"
#include "curvesegment.h"
#include "detail/utils.h"
#include <QEasingCurve>
#include <QLineF>
#include <QPainterPath>
namespace DesignTools {
AnimationCurve::AnimationCurve()
: m_frames()
: m_fromData(false)
, m_minY(std::numeric_limits<double>::max())
, m_maxY(std::numeric_limits<double>::lowest())
, m_frames()
{}
AnimationCurve::AnimationCurve(const std::vector<Keyframe> &frames)
: m_frames(frames)
: m_fromData(false)
, m_minY(std::numeric_limits<double>::max())
, m_maxY(std::numeric_limits<double>::lowest())
, m_frames(frames)
{
if (isValid()) {
analyze();
}
for (auto e : extrema()) {
AnimationCurve::AnimationCurve(const QEasingCurve &easing, const QPointF &start, const QPointF &end)
: m_fromData(true)
, m_minY(std::numeric_limits<double>::max())
, m_maxY(std::numeric_limits<double>::lowest())
, m_frames()
{
auto mapPosition = [start, end](const QPointF &pos) {
QPointF slope(end.x() - start.x(), end.y() - start.y());
return QPointF(start.x() + slope.x() * pos.x(), start.y() + slope.y() * pos.y());
};
if (m_minY > e.y())
m_minY = e.y();
QVector<QPointF> points = easing.toCubicSpline();
int numSegments = points.count() / 3;
if (m_maxY < e.y())
m_maxY = e.y();
}
Keyframe current;
Keyframe tmp(start);
for (auto &frame : qAsConst(m_frames)) {
if (frame.position().y() < m_minY)
m_minY = frame.position().y();
current.setInterpolation(Keyframe::Interpolation::Bezier);
tmp.setInterpolation(Keyframe::Interpolation::Bezier);
if (frame.position().y() > m_maxY)
m_maxY = frame.position().y();
}
for (int i = 0; i < numSegments; i++) {
QPointF p1 = mapPosition(points.at(i * 3));
QPointF p2 = mapPosition(points.at(i * 3 + 1));
QPointF p3 = mapPosition(points.at(i * 3 + 2));
current.setPosition(tmp.position());
current.setLeftHandle(tmp.leftHandle());
current.setRightHandle(p1);
m_frames.push_back(current);
tmp.setLeftHandle(p2);
tmp.setPosition(p3);
}
m_frames.push_back(tmp);
analyze();
}
bool AnimationCurve::isValid() const
@@ -65,6 +94,11 @@ bool AnimationCurve::isValid() const
return m_frames.size() >= 2;
}
bool AnimationCurve::isFromData() const
{
return m_fromData;
}
double AnimationCurve::minimumTime() const
{
if (!m_frames.empty())
@@ -91,6 +125,70 @@ double AnimationCurve::maximumValue() const
return m_maxY;
}
CurveSegment AnimationCurve::segment(double time) const
{
CurveSegment seg;
for (auto &frame : m_frames) {
if (frame.position().x() > time) {
seg.setRight(frame);
return seg;
}
seg.setLeft(frame);
}
return CurveSegment();
}
std::vector<CurveSegment> AnimationCurve::segments() const
{
if (m_frames.empty())
return {};
std::vector<CurveSegment> out;
CurveSegment current;
current.setLeft(m_frames.at(0));
for (size_t i = 1; i < m_frames.size(); ++i) {
current.setRight(m_frames[i]);
out.push_back(current);
current.setLeft(m_frames[i]);
}
return out;
}
QPointF mapEasing(const QPointF &start, const QPointF &end, const QPointF &pos)
{
QPointF slope(end.x() - start.x(), end.y() - start.y());
return QPointF(start.x() + slope.x() * pos.x(), start.y() + slope.y() * pos.y());
}
QPainterPath AnimationCurve::simplePath() const
{
if (m_frames.empty())
return QPainterPath();
QPainterPath path(m_frames.front().position());
CurveSegment segment;
segment.setLeft(m_frames.front());
for (size_t i = 1; i < m_frames.size(); ++i) {
segment.setRight(m_frames[i]);
segment.extend(path);
segment.setLeft(m_frames[i]);
}
return path;
}
QPainterPath AnimationCurve::intersectionPath() const
{
QPainterPath path = simplePath();
QPainterPath reversed = path.toReversed();
path.connectPath(reversed);
return path;
}
std::vector<Keyframe> AnimationCurve::keyframes() const
{
return m_frames;
@@ -100,19 +198,10 @@ std::vector<QPointF> AnimationCurve::extrema() const
{
std::vector<QPointF> out;
CurveSegment segment;
segment.setLeft(m_frames.at(0));
for (size_t i = 1; i < m_frames.size(); ++i) {
segment.setRight(m_frames[i]);
for (auto &&segment : segments()) {
const auto es = segment.extrema();
out.insert(std::end(out), std::begin(es), std::end(es));
segment.setLeft(m_frames[i]);
}
return out;
}
@@ -141,7 +230,7 @@ std::vector<double> AnimationCurve::xForY(double y, uint segment) const
return std::vector<double>();
}
bool AnimationCurve::intersects(const QPointF &coord, double radius)
bool AnimationCurve::intersects(const QPointF &coord, double radiusX, double radiusY) const
{
if (m_frames.size() < 2)
return false;
@@ -152,36 +241,94 @@ bool AnimationCurve::intersects(const QPointF &coord, double radius)
current.setLeft(m_frames.at(0));
for (size_t i = 1; i < m_frames.size(); ++i) {
Keyframe &frame = m_frames.at(i);
const Keyframe &frame = m_frames.at(i);
current.setRight(frame);
if (current.containsX(coord.x() - radius) ||
current.containsX(coord.x()) ||
current.containsX(coord.x() + radius)) {
if (current.containsX(coord.x() - radiusX) || current.containsX(coord.x())
|| current.containsX(coord.x() + radiusX)) {
influencer.push_back(current);
}
if (frame.position().x() > coord.x() + radius)
if (frame.position().x() > coord.x() + radiusX)
break;
current.setLeft(frame);
}
for (auto &segment : influencer) {
for (auto &y : segment.yForX(coord.x())) {
QLineF line(coord.x(), y, coord.x(), coord.y());
if (line.length() < radius)
return true;
}
for (auto &x : segment.xForY(coord.y())) {
QLineF line(x, coord.y(), coord.x(), coord.y());
if (line.length() < radius)
return true;
}
if (segment.intersects(coord, radiusX, radiusY))
return true;
}
return false;
}
void AnimationCurve::append(const AnimationCurve &other)
{
if (!other.isValid())
return;
if (!isValid()) {
m_frames = other.keyframes();
analyze();
return;
}
std::vector<Keyframe> otherFrames = other.keyframes();
m_frames.back().setRightHandle(otherFrames.front().rightHandle());
m_frames.insert(std::end(m_frames), std::begin(otherFrames) + 1, std::end(otherFrames));
analyze();
}
void AnimationCurve::insert(double time)
{
CurveSegment seg = segment(time);
if (!seg.isValid())
return;
auto insertFrames = [this](std::array<Keyframe, 3> &&frames) {
auto samePosition = [frames](const Keyframe &frame) {
return frame.position() == frames[0].position();
};
auto iter = std::find_if(m_frames.begin(), m_frames.end(), samePosition);
if (iter != m_frames.end()) {
auto erased = m_frames.erase(iter, iter + 2);
m_frames.insert(erased, frames.begin(), frames.end());
}
};
insertFrames(seg.splitAt(time));
}
void AnimationCurve::analyze()
{
if (isValid()) {
m_minY = std::numeric_limits<double>::max();
m_maxY = std::numeric_limits<double>::lowest();
auto byTime = [](const auto &a, const auto &b) {
return a.position().x() < b.position().x();
};
std::sort(m_frames.begin(), m_frames.end(), byTime);
for (auto e : extrema()) {
if (m_minY > e.y())
m_minY = e.y();
if (m_maxY < e.y())
m_maxY = e.y();
}
for (auto &frame : qAsConst(m_frames)) {
if (frame.position().y() < m_minY)
m_minY = frame.position().y();
if (frame.position().y() > m_maxY)
m_maxY = frame.position().y();
}
}
}
} // End namespace DesignTools.