#include "toonz/doubleparamcmd.h"
#include "toonz/preferences.h"
#include "tdoubleparam.h"
#include "tdoublekeyframe.h"
#include "tundo.h"
#include "tunit.h"
#include <QString>
#include <map>
//=============================================================================
//
// Keyframes Undo
//
//-----------------------------------------------------------------------------
class KeyframesUndo final : public TUndo {
TDoubleParamP m_param;
typedef std::map<int, TDoubleKeyframe> Keyframes;
Keyframes m_oldKeyframes;
Keyframes m_newKeyframes;
public:
KeyframesUndo(TDoubleParam *param) : m_param(param) {}
void addKeyframe(int kIndex) {
if (m_oldKeyframes.count(kIndex) > 0) return;
assert(0 <= kIndex && kIndex < m_param->getKeyframeCount());
m_oldKeyframes[kIndex] = m_param->getKeyframe(kIndex);
}
int createKeyframe(double frame) {
TDoubleKeyframe oldKeyframe = m_param->getKeyframeAt(frame);
if (oldKeyframe.m_isKeyframe) {
int kIndex = m_param->getClosestKeyframe(oldKeyframe.m_frame);
assert(0 <= kIndex && kIndex < m_param->getKeyframeCount());
assert(m_param->keyframeIndexToFrame(kIndex) == oldKeyframe.m_frame);
return kIndex;
}
m_param->setKeyframe(oldKeyframe);
int kIndex = m_param->getClosestKeyframe(oldKeyframe.m_frame);
assert(0 <= kIndex && kIndex < m_param->getKeyframeCount());
assert(m_param->keyframeIndexToFrame(kIndex) == oldKeyframe.m_frame);
assert(m_oldKeyframes.count(kIndex) == 0);
m_oldKeyframes[kIndex] = oldKeyframe;
return kIndex;
}
void onAdd() override {
Keyframes::iterator it;
for (it = m_oldKeyframes.begin(); it != m_oldKeyframes.end(); ++it) {
int kIndex = it->first;
assert(0 <= kIndex && kIndex < m_param->getKeyframeCount());
m_newKeyframes[kIndex] = m_param->getKeyframe(kIndex);
}
}
void undo() const override {
m_param->setKeyframes(m_oldKeyframes);
Keyframes::const_iterator it;
for (it = m_oldKeyframes.begin(); it != m_oldKeyframes.end(); ++it)
if (!it->second.m_isKeyframe) m_param->deleteKeyframe(it->second.m_frame);
}
void redo() const override {
Keyframes::const_iterator it;
for (it = m_oldKeyframes.begin(); it != m_oldKeyframes.end(); ++it)
if (!it->second.m_isKeyframe) m_param->setKeyframe(it->second);
m_param->setKeyframes(m_newKeyframes);
}
int getSize() const override {
return sizeof(*this) +
sizeof(*m_oldKeyframes.begin()) * 2 * m_oldKeyframes.size();
}
QString getHistoryString() override { return QObject::tr("Set Keyframe"); }
};
//=============================================================================
//
// KeyframeSetter
//
//-----------------------------------------------------------------------------
KeyframeSetter::KeyframeSetter(TDoubleParam *param, int kIndex, bool enableUndo)
: m_param(param)
, m_kIndex(-1)
, m_extraDFrame(0)
, m_enableUndo(enableUndo)
, m_undo(new KeyframesUndo(param))
, m_changed(false)
, m_pixelRatio(1) {
if (kIndex >= 0) selectKeyframe(kIndex);
}
KeyframeSetter::~KeyframeSetter() {
if (m_enableUndo)
addUndo();
else if (m_undo) {
delete m_undo;
m_undo = 0;
}
}
void KeyframeSetter::addUndo() {
if (m_undo) {
if (m_changed)
TUndoManager::manager()->add(m_undo);
else
delete m_undo;
m_undo = 0;
}
}
void KeyframeSetter::selectKeyframe(int kIndex) {
if (m_indices.count(kIndex) == 0) {
m_indices.insert(kIndex);
m_undo->addKeyframe(kIndex);
}
m_kIndex = kIndex;
m_keyframe = m_param->getKeyframe(m_kIndex);
}
// set key frame at frame and returns its index
int KeyframeSetter::createKeyframe(double frame) {
/*--- すでにそこにキーフレームがある場合はそのIndexを返すだけ ---*/
int kIndex = m_param->getClosestKeyframe(frame);
if (kIndex >= 0 && m_param->getKeyframe(kIndex).m_frame == frame) {
selectKeyframe(kIndex);
return kIndex;
}
m_changed = true;
kIndex = m_undo->createKeyframe(frame);
m_indices.insert(kIndex);
m_kIndex = kIndex;
m_keyframe = m_param->getKeyframe(m_kIndex);
setStep(Preferences::instance()->getAnimationStep());
int kCount = m_param->getKeyframeCount();
if (kCount <= 1) {
// a single keyframe created in a empty curve
} else if (kCount == 2) {
// two keyframes => a linear segment
TDoubleKeyframe::Type type =
TDoubleKeyframe::Type(Preferences::instance()->getKeyframeType());
setType(0, type);
} else {
// there are at least other two keyframes (and therefore at least a segment)
if (m_kIndex == 0) {
// a new segment added before the others. use the preference value
setType(
TDoubleKeyframe::Type(Preferences::instance()->getKeyframeType()));
} else if (m_kIndex == kCount - 1) {
// a new segment added after the others. use the preference value too
setType(m_kIndex - 1, TDoubleKeyframe::Type(
Preferences::instance()->getKeyframeType()));
} else {
// a new point in a segment
TDoubleKeyframe ka = m_param->getKeyframe(m_kIndex - 1);
TDoubleKeyframe kb = m_param->getKeyframe(m_kIndex + 1);
TDoubleKeyframe::Type segmentType = ka.m_type;
m_keyframe.m_type = ka.m_type;
m_keyframe.m_step = ka.m_step; // An existing segment step should prevail
// over the preference
/*---Segment内にKeyを打った場合は、Step値も元のSegmentの値を引き継ぐようにする---*/
m_param->setKeyframe(m_kIndex, m_keyframe);
if (segmentType == TDoubleKeyframe::SpeedInOut ||
segmentType == TDoubleKeyframe::EaseInOut ||
segmentType == TDoubleKeyframe::EaseInOutPercentage) {
std::map<int, TDoubleKeyframe> keyframes;
if (segmentType == TDoubleKeyframe::SpeedInOut) {
splitSpeedInOutSegment(m_keyframe, ka, kb);
} else if (segmentType == TDoubleKeyframe::EaseInOut) {
m_keyframe.m_speedIn = m_keyframe.m_speedOut = TPointD();
if (ka.m_frame + ka.m_speedOut.x > m_keyframe.m_frame)
ka.m_speedOut.x = m_keyframe.m_frame - ka.m_frame;
if (kb.m_frame + kb.m_speedIn.x < m_keyframe.m_frame)
ka.m_speedIn.x = m_keyframe.m_frame - kb.m_frame;
} else // easeinpercentage
{
m_keyframe.m_speedIn = m_keyframe.m_speedOut = TPointD();
double segmentWidth = kb.m_frame - ka.m_frame;
}
keyframes[m_kIndex - 1] = ka;
keyframes[m_kIndex] = m_keyframe;
keyframes[m_kIndex + 1] = kb;
m_undo->addKeyframe(m_kIndex - 1);
m_undo->addKeyframe(m_kIndex + 1);
m_param->setKeyframes(keyframes);
} else if (segmentType == TDoubleKeyframe::Expression ||
segmentType == TDoubleKeyframe::SimilarShape) {
std::string expressionText = ka.m_expressionText;
setExpression(expressionText);
setType(ka.m_type);
} else
setType(ka.m_type);
}
}
return kIndex;
}
bool KeyframeSetter::isSpeedInOut(int segmentIndex) const {
return 0 <= segmentIndex && segmentIndex + 1 < m_param->getKeyframeCount() &&
m_param->getKeyframe(segmentIndex).m_type ==
TDoubleKeyframe::SpeedInOut;
}
bool KeyframeSetter::isEaseInOut(int segmentIndex) const {
if (0 <= segmentIndex && segmentIndex + 1 < m_param->getKeyframeCount()) {
TDoubleKeyframe::Type type = m_param->getKeyframe(segmentIndex).m_type;
if (type == TDoubleKeyframe::EaseInOut ||
type == TDoubleKeyframe::EaseInOutPercentage)
return true;
}
return false;
}
// find the speedInOut handles which will change when moving keyframe kIndex
// rotatingSpeeds: { <speed, keyframe index> }
void KeyframeSetter::getRotatingSpeedHandles(
std::vector<std::pair<double, int>> &rotatingSpeeds, TDoubleParam *param,
int kIndex) const {
const double epsilon = 1.0e-7;
int ty[4] = {0, 0, 0, 0};
// ty[] refers to segments around the kIndex keyframe
// 1 ==> linear or exponential (they can cause speed handle rotation)
// 2 ==> speedinout
for (int i = 0; i < 4; i++) {
int k = kIndex + i - 2;
if (0 <= k && k < param->getKeyframeCount()) {
TDoubleKeyframe::Type type = param->getKeyframe(k).m_type;
if (type == TDoubleKeyframe::Linear ||
type == TDoubleKeyframe::Exponential)
ty[i] = 1;
else if (type == TDoubleKeyframe::SpeedInOut)
ty[i] = 2;
}
}
// SpeedInOut * Linear *
if ((ty[0] == 2 && ty[1] == 1) || (ty[1] == 2 && ty[2] == 1)) {
int k = ty[1] == 1 ? kIndex - 1 : kIndex;
double speed = getNorm(param->getSpeedIn(k));
if (speed > epsilon) rotatingSpeeds.push_back(std::make_pair(-speed, k));
}
// * Linear * SpeedInOut
if ((ty[1] == 1 && ty[2] == 2) || (ty[2] == 1 && ty[3] == 2)) {
int k = ty[2] == 2 ? kIndex : kIndex + 1;
double speed = getNorm(param->getSpeedOut(k));
if (speed > epsilon) rotatingSpeeds.push_back(std::make_pair(speed, k));
}
}
void KeyframeSetter::moveKeyframes(int dFrame, double dValue) {
int n = m_param->getKeyframeCount();
if (n == 0) return;
// to keep constant the "length" of speed handles which are modified as side
// effects
std::vector<std::pair<double, int>> rotatingSpeedHandles;
if (m_indices.size() == 1)
getRotatingSpeedHandles(rotatingSpeedHandles, m_param.getPointer(),
*m_indices.begin());
// update the frame change (m_extraDFrame represent old moves
// which has not performed, e.g. because of keyframe collisions)
dFrame += m_extraDFrame;
m_extraDFrame = 0;
if (dFrame != 0) {
// check frame constraints (keyframe collisions and segment type swaps)
double preferredDFrame = dFrame;
double dFrameSgn = dFrame < 0 ? -1 : 1;
dFrame *= dFrameSgn;
typedef std::pair<TDoubleKeyframe::Type, TDoubleKeyframe::Type> TypePair;
std::vector<std::pair<double, TypePair>> keyframes(n);
keyframes[0].second.first = TDoubleKeyframe::None;
for (int i = 0; i < n; i++) {
TDoubleKeyframe kf = m_param->getKeyframe(i);
keyframes[i].first = kf.m_frame;
if (i < n - 1) {
keyframes[i].second.second = kf.m_type;
keyframes[i + 1].second.first = kf.m_type;
} else
keyframes[i].second.second = TDoubleKeyframe::None;
}
while (dFrame > 0) {
std::vector<std::pair<double, TypePair>> mk(
keyframes); // mk = moved keyframes
std::set<int>::iterator it;
for (it = m_indices.begin(); it != m_indices.end(); ++it)
mk[*it].first += dFrame * dFrameSgn;
std::sort(mk.begin(), mk.end());
bool ok = true;
int i;
for (i = 0; i + 1 < n && ok; i++) {
// check keyframe collisions
if (fabs(mk[i + 1].first - mk[i].first) < 1.e-8) ok = false;
// check segment type swaps
if (mk[i].second.second != mk[i + 1].second.first &&
mk[i].second.second != TDoubleKeyframe::None &&
mk[i + 1].second.first != TDoubleKeyframe::None)
ok = false;
}
if (ok) break;
dFrame -= 1;
}
dFrame = dFrameSgn * std::max(0, dFrame);
if (dFrame != preferredDFrame) m_extraDFrame = preferredDFrame - dFrame;
// at this point dFrame (possibly ==0) is ok (no keyframe collisions, no
// segment type mismatches)
}
std::map<int, TDoubleKeyframe> change;
if (dFrame == 0) {
// only value changes
std::set<int>::iterator it;
int i = 0;
m_changed = true;
for (it = m_indices.begin(); it != m_indices.end(); ++it, i++) {
TDoubleKeyframe keyframe = m_param->getKeyframe(*it);
keyframe.m_value += dValue;
change[*it] = keyframe;
m_undo->addKeyframe(i);
}
} else {
// frame+value changes
int n = m_param->getKeyframeCount();
std::vector<std::pair<TDoubleKeyframe, int>> keyframes(
n); // (keyframe, index)
for (int i = 0; i < n; i++)
keyframes[i] = std::make_pair(m_param->getKeyframe(i), i);
// change frame and value of selected keyframes
std::set<int>::iterator it;
for (it = m_indices.begin(); it != m_indices.end(); ++it) {
int i = *it;
keyframes[i].first.m_frame += dFrame;
keyframes[i].first.m_value += dValue;
// keyframes[i].second = -1; // to mark keyframes involved in the move
}
// keyframes.back().first.m_type = TDoubleKeyframe::None;
// clear selection (indices can change: we have to rebuild it)
std::set<int> oldSelection(m_indices);
m_indices.clear();
// sort keyframes (according to their - updated - frames)
std::sort(keyframes.begin(), keyframes.end());
for (std::set<int>::iterator it = oldSelection.begin();
it != oldSelection.end(); ++it)
m_indices.insert(keyframes[*it].second);
// update segment types (because of swaps)
/*
for(int i=0;i+1<n;i++)
{
TDoubleKeyframe &kfa = keyframes[i].first;
TDoubleKeyframe &kfb = keyframes[i+1].first;
if(kfa.m_type == TDoubleKeyframe::None)
{
kfa.m_type = TDoubleKeyframe::SpeedInOut;
kfa.m_speedOut = TPointD(0,0);
}
if(kfb.m_prevType == TDoubleKeyframe::None)
{
kfa.m_prevType = TDoubleKeyframe::SpeedInOut;
kfa.m_speedIn = TPointD(0,0);
}
}
*/
m_changed = true;
for (int i = 0; i < n; i++) {
if (keyframes[i].second != i) {
/*
// i-th keyframe has changed is order position
if(keyframes[i].first.m_type == TDoubleKeyframe::None)
{
if(i==n-1) keyframes[i].first.m_type = TDoubleKeyframe::Linear;
else keyframes[i].first.m_type = keyframes[i+1].first.m_type;
}
*/
m_undo->addKeyframe(i);
change[i] = keyframes[i].first;
} else if (m_indices.count(i) > 0)
change[i] = keyframes[i].first;
}
}
m_param->setKeyframes(change);
/*
if(!rotatingSpeedHandles.empty())
{
for(int i=0;i<(int)rotatingSpeedHandles.size();i++)
{
double speedLength = rotatingSpeedHandles[i].first;
int kIndex = rotatingSpeedHandles[i].second;
TDoubleKeyframe kf = m_param->getKeyframe(kIndex);
TPointD speed = speedLength<0 ? m_param->getSpeedIn(kIndex) :
m_param->getSpeedOut(kIndex);
speed = fabs(speedLength/getNorm(speed)) * speed;
if(speedLength<0)
kf.m_speedIn = speed;
else
kf.m_speedOut = speed;
m_param->setKeyframe(kf);
}
}
*/
}
void KeyframeSetter::setType(int kIndex, TDoubleKeyframe::Type type) {
assert(0 <= kIndex && kIndex < m_param->getKeyframeCount());
// get the current keyframe value
TDoubleKeyframe keyframe = m_param->getKeyframe(kIndex);
// get the next keyframe (if any) and compute the segment length
TDoubleKeyframe nextKeyframe;
double segmentWidth = 1;
if (kIndex + 1 < m_param->getKeyframeCount()) {
nextKeyframe = m_param->getKeyframe(kIndex + 1);
segmentWidth = nextKeyframe.m_frame - keyframe.m_frame;
} else if (kIndex + 1 > m_param->getKeyframeCount()) {
// kIndex is the last keyframe. no segment is defined (therefore no segment
// type)
type = TDoubleKeyframe::Linear;
}
if (type == keyframe.m_type) return;
// I'm going to change kIndex. Make sure it is selected. set the dirty flag
m_undo->addKeyframe(kIndex);
// m_indices.insert(kIndex);
m_changed = true;
double ease0 = 0, ease1 = 0;
std::map<int, TDoubleKeyframe> keyframes;
switch (type) {
case TDoubleKeyframe::SpeedInOut:
keyframe.m_speedOut = TPointD(segmentWidth / 3, 0);
nextKeyframe.m_speedIn = TPointD(-segmentWidth / 3, 0);
if (nextKeyframe.m_linkedHandles && nextKeyframe.m_speedOut.x > 0.01)
nextKeyframe.m_speedIn = -nextKeyframe.m_speedOut;
if (keyframe.m_linkedHandles && keyframe.m_speedIn.x < -0.01)
keyframe.m_speedOut = -keyframe.m_speedIn;
keyframe.m_type = type;
keyframes[kIndex] = keyframe;
keyframes[kIndex + 1] = nextKeyframe;
m_param->setKeyframes(keyframes);
break;
case TDoubleKeyframe::EaseInOut:
case TDoubleKeyframe::EaseInOutPercentage:
if (keyframe.m_type == TDoubleKeyframe::EaseInOut) {
// absolute -> percentage
ease0 = keyframe.m_speedOut.x * 100.0 / segmentWidth;
ease1 = -nextKeyframe.m_speedIn.x * 100.0 / segmentWidth;
// rounding could break constraints. crop parameters
ease0 = tcrop(ease0, 0.0, 100.0);
ease1 = tcrop(ease1, 0.0, 100.0 - ease0);
} else if (keyframe.m_type == TDoubleKeyframe::EaseInOutPercentage) {
// percentage -> absolute
ease0 = keyframe.m_speedOut.x * 0.01 * segmentWidth;
ease1 = -nextKeyframe.m_speedIn.x * 0.01 * segmentWidth;
// rounding could break constraints. crop parameters
ease0 = tcrop(ease0, 0.0, segmentWidth);
ease1 = tcrop(ease1, 0.0, segmentWidth - ease0);
} else {
ease1 = ease0 = segmentWidth / 3;
}
keyframe.m_speedOut = TPointD(ease0, 0);
nextKeyframe.m_speedIn = TPointD(-ease1, 0);
keyframe.m_type = type;
keyframes[kIndex] = keyframe;
keyframes[kIndex + 1] = nextKeyframe;
m_param->setKeyframes(keyframes);
break;
case TDoubleKeyframe::Expression:
keyframe.m_type = type;
{
double value = m_param->getValue(keyframe.m_frame);
const TUnit *unit = 0;
if (m_param->getMeasure()) unit = m_param->getMeasure()->getCurrentUnit();
if (unit) value = unit->convertTo(value);
keyframe.m_expressionText = QString::number(value).toStdString();
}
m_param->setKeyframe(kIndex, keyframe);
break;
default:
keyframe.m_type = type;
m_param->setKeyframe(kIndex, keyframe);
}
}
void KeyframeSetter::setType(TDoubleKeyframe::Type type) {
assert(m_kIndex >= 0 && m_indices.size() == 1);
setType(m_kIndex, type);
}
void KeyframeSetter::setStep(int step) {
assert(m_kIndex >= 0 && m_indices.size() == 1);
if (m_keyframe.m_step == step) return;
m_changed = true;
m_keyframe.m_step = step;
m_param->setKeyframe(m_kIndex, m_keyframe);
}
void KeyframeSetter::setExpression(std::string expression) {
assert(m_kIndex >= 0 && m_indices.size() == 1);
m_changed = true;
m_keyframe.m_expressionText = expression;
m_keyframe.m_type = TDoubleKeyframe::Expression;
m_param->setKeyframe(m_kIndex, m_keyframe);
}
void KeyframeSetter::setSimilarShape(std::string expression, double offset) {
assert(m_kIndex >= 0 && m_indices.size() == 1);
m_changed = true;
m_keyframe.m_expressionText = expression;
m_keyframe.m_similarShapeOffset = offset;
m_keyframe.m_type = TDoubleKeyframe::SimilarShape;
m_param->setKeyframe(m_kIndex, m_keyframe);
}
void KeyframeSetter::setFile(const TDoubleKeyframe::FileParams ¶ms) {
assert(m_kIndex >= 0 && m_indices.size() == 1);
m_changed = true;
m_keyframe.m_fileParams = params;
m_keyframe.m_type = TDoubleKeyframe::File;
m_param->setKeyframe(m_kIndex, m_keyframe);
}
void KeyframeSetter::setUnitName(std::string unitName) {
assert(m_kIndex >= 0 && m_indices.size() == 1);
m_changed = true;
m_keyframe.m_unitName = unitName;
m_param->setKeyframe(m_kIndex, m_keyframe);
}
void KeyframeSetter::setValue(double value) {
assert(m_kIndex >= 0 && m_indices.size() == 1);
if (m_keyframe.m_value == value) return;
m_changed = true;
m_keyframe.m_value = value;
m_param->setKeyframe(m_kIndex, m_keyframe);
}
void KeyframeSetter::linkHandles() {
assert(m_kIndex >= 0 && m_indices.size() == 1);
if (m_keyframe.m_linkedHandles) return;
m_changed = true;
m_keyframe.m_linkedHandles = true;
if (isSpeedInOut(m_kIndex) && isSpeedInOut(m_kIndex - 1)) {
// keyframe is between two speedin/out segments (and therefore linkHandles
// makes sense)
TPointD d = -m_keyframe.m_speedIn + m_keyframe.m_speedOut;
const double eps = 0.1e-3;
if (d.x <= eps) {
m_keyframe.m_speedIn = m_keyframe.m_speedOut = TPointD(0, 0);
} else {
m_keyframe.m_speedIn.y = d.y * m_keyframe.m_speedIn.x / d.x;
m_keyframe.m_speedOut.y = d.y * m_keyframe.m_speedOut.x / d.x;
}
}
m_param->setKeyframe(m_kIndex, m_keyframe);
}
void KeyframeSetter::unlinkHandles() {
assert(m_kIndex >= 0 && m_indices.size() == 1);
if (!m_keyframe.m_linkedHandles) return;
m_changed = true;
m_keyframe.m_linkedHandles = false;
m_param->setKeyframe(m_kIndex, m_keyframe);
}
void KeyframeSetter::setSpeedIn(const TPointD &speedIn) {
const double eps = 0.00001;
assert(m_kIndex >= 0 && m_indices.size() == 1);
assert(isSpeedInOut(m_kIndex - 1));
m_changed = true;
m_keyframe.m_speedIn = speedIn;
if (m_keyframe.m_speedIn.x > 0) m_keyframe.m_speedIn.x = 0;
if (m_keyframe.m_linkedHandles &&
m_kIndex + 1 <= m_param->getKeyframeCount()) {
double outNorm = getNorm(m_keyframe.m_speedOut);
if (m_kIndex + 1 == m_param->getKeyframeCount() || isSpeedInOut(m_kIndex) ||
(m_keyframe.m_type == TDoubleKeyframe::Expression &&
m_keyframe.m_expressionText.find("cycle") != std::string::npos)) {
// update next segment speed vector
double inNorm = getNorm(m_keyframe.m_speedIn);
if (inNorm < eps)
m_keyframe.m_speedOut = TPointD(outNorm, 0);
else
m_keyframe.m_speedOut = -(outNorm / inNorm) * m_keyframe.m_speedIn;
} else {
// can't change next segment speed vector => adjust speedIn to be
// collinear
TPointD w = rotate90(m_keyframe.m_speedOut);
double wNorm2 = norm2(w);
if (wNorm2 > eps * eps)
m_keyframe.m_speedIn -= (1.0 / wNorm2) * (w * m_keyframe.m_speedIn) * w;
}
}
m_param->setKeyframe(m_kIndex, m_keyframe);
}
void KeyframeSetter::setSpeedOut(const TPointD &speedOut) {
const double eps = 0.00001;
assert(m_kIndex >= 0 && m_indices.size() == 1);
assert(isSpeedInOut(m_kIndex));
m_changed = true;
m_keyframe.m_speedOut = speedOut;
if (m_keyframe.m_speedOut.x < 0) m_keyframe.m_speedOut.x = 0;
if (m_keyframe.m_linkedHandles && m_kIndex > 0) {
double inNorm = getNorm(m_keyframe.m_speedIn);
if (isSpeedInOut(m_kIndex - 1)) {
// update previous segment speed vector
double outNorm = getNorm(m_keyframe.m_speedOut);
if (outNorm > eps)
m_keyframe.m_speedIn = -inNorm / outNorm * m_keyframe.m_speedOut;
// else
// m_keyframe.m_speedIn = TPointD(inNorm,0);
} else {
// can't change previous segment speed vector => adjust speedOut to be
// collinear
double h = 0.00001;
double f = m_keyframe.m_frame;
double v = (m_param->getValue(f) - m_param->getValue(f - h)) / h;
TPointD w(-v, 1);
double wNorm2 = norm2(w);
if (wNorm2 > eps * eps)
m_keyframe.m_speedOut -=
(1.0 / wNorm2) * (w * m_keyframe.m_speedOut) * w;
}
}
m_param->setKeyframe(m_kIndex, m_keyframe);
}
void KeyframeSetter::setEaseIn(double easeIn) {
// easeIn <=0
assert(m_kIndex >= 1 && m_indices.size() == 1);
assert(isEaseInOut(m_kIndex - 1));
m_changed = true;
TDoubleKeyframe prevKeyframe = m_param->getKeyframe(m_kIndex - 1);
bool isPercentage =
prevKeyframe.m_type == TDoubleKeyframe::EaseInOutPercentage;
if (!isPercentage) easeIn = floor(easeIn + 0.5);
double segmentWidth =
isPercentage ? 100.0 : m_keyframe.m_frame - prevKeyframe.m_frame;
easeIn = -tcrop(-easeIn, 0.0, segmentWidth);
m_keyframe.m_speedIn = TPointD(easeIn, 0);
if (prevKeyframe.m_speedOut.x - easeIn > segmentWidth) {
m_undo->addKeyframe(m_kIndex - 1);
prevKeyframe.m_speedOut.x = segmentWidth + easeIn;
std::map<int, TDoubleKeyframe> keyframes;
keyframes[m_kIndex - 1] = prevKeyframe;
keyframes[m_kIndex] = m_keyframe;
m_param->setKeyframes(keyframes);
} else {
m_param->setKeyframe(m_kIndex, m_keyframe);
}
}
void KeyframeSetter::setEaseOut(double easeOut) {
assert(m_kIndex >= 0 && m_kIndex + 1 < m_param->getKeyframeCount() &&
m_indices.size() == 1);
assert(isEaseInOut(m_kIndex));
m_changed = true;
TDoubleKeyframe nextKeyframe = m_param->getKeyframe(m_kIndex + 1);
bool isPercentage = m_keyframe.m_type == TDoubleKeyframe::EaseInOutPercentage;
if (!isPercentage) easeOut = floor(easeOut + 0.5);
double segmentWidth =
isPercentage ? 100.0 : nextKeyframe.m_frame - m_keyframe.m_frame;
easeOut = tcrop(easeOut, 0.0, segmentWidth);
m_keyframe.m_speedOut = TPointD(easeOut, 0);
if (-nextKeyframe.m_speedIn.x + easeOut > segmentWidth) {
m_undo->addKeyframe(m_kIndex + 1);
nextKeyframe.m_speedIn.x = easeOut - segmentWidth;
std::map<int, TDoubleKeyframe> keyframes;
keyframes[m_kIndex + 1] = nextKeyframe;
keyframes[m_kIndex] = m_keyframe;
m_param->setKeyframes(keyframes);
} else {
m_param->setKeyframe(m_kIndex, m_keyframe);
}
}
//=============================================================================
// set the curve params adaptively by clicking apply button
void KeyframeSetter::setAllParams(
int step, TDoubleKeyframe::Type comboType, const TPointD &speedIn,
const TPointD &speedOut, std::string expressionText, std::string unitName,
const TDoubleKeyframe::FileParams &fileParam, double similarShapeOffset) {
assert(0 <= m_kIndex && m_kIndex < m_param->getKeyframeCount());
TDoubleKeyframe keyframe = m_param->getKeyframe(m_kIndex);
TDoubleKeyframe nextKeyframe;
// get the next key
if (m_kIndex + 1 < m_param->getKeyframeCount())
nextKeyframe = m_param->getKeyframe(m_kIndex + 1);
else
comboType = TDoubleKeyframe::Linear;
// I'm going to change kIndex. Make sure it is selected. set the dirty flag
m_undo->addKeyframe(m_kIndex);
m_indices.insert(m_kIndex);
m_changed = true;
// set step
if (step < 1) step = 1;
keyframe.m_step = step;
// set type
keyframe.m_type = comboType;
// set parameters according to the type
std::map<int, TDoubleKeyframe> keyframes;
switch (comboType) {
case TDoubleKeyframe::SpeedInOut:
keyframe.m_speedOut = speedOut;
nextKeyframe.m_speedIn = speedIn;
if (keyframe.m_speedOut.x < 0) keyframe.m_speedOut.x = 0;
if (nextKeyframe.m_speedIn.x > 0) nextKeyframe.m_speedIn.x = 0;
break;
case TDoubleKeyframe::EaseInOut:
case TDoubleKeyframe::EaseInOutPercentage:
keyframe.m_speedOut = speedOut;
nextKeyframe.m_speedIn = speedIn;
if (keyframe.m_type == TDoubleKeyframe::EaseInOut) {
keyframe.m_speedOut.x = floor(speedOut.x + 0.5);
nextKeyframe.m_speedIn.x = floor(speedIn.x + 0.5);
}
break;
case TDoubleKeyframe::Expression:
keyframe.m_expressionText = expressionText;
keyframe.m_unitName = unitName;
break;
case TDoubleKeyframe::File:
keyframe.m_fileParams = fileParam;
keyframe.m_unitName = unitName;
break;
case TDoubleKeyframe::SimilarShape:
keyframe.m_expressionText = expressionText;
keyframe.m_similarShapeOffset = similarShapeOffset;
break;
default:
break;
}
/*--- リンクされたカーブの処理 ---*/
const double eps = 0.00001;
if (m_kIndex != 0 && keyframe.m_linkedHandles &&
keyframe.m_prevType == TDoubleKeyframe::SpeedInOut) {
double inNorm = getNorm(keyframe.m_speedIn);
// update previous segment speed vector
double outNorm = getNorm(keyframe.m_speedOut);
if (outNorm > eps)
keyframe.m_speedIn = -inNorm / outNorm * keyframe.m_speedOut;
}
// Next curve
if (m_kIndex + 2 < m_param->getKeyframeCount() &&
nextKeyframe.m_linkedHandles &&
nextKeyframe.m_type == TDoubleKeyframe::SpeedInOut) {
double outNorm = getNorm(nextKeyframe.m_speedOut);
// update next segment speed vector
double inNorm = getNorm(nextKeyframe.m_speedIn);
if (inNorm < eps)
nextKeyframe.m_speedOut = TPointD(outNorm, 0);
else
nextKeyframe.m_speedOut = -(outNorm / inNorm) * nextKeyframe.m_speedIn;
}
// set modified keyframe
keyframes[m_kIndex] = keyframe;
if (m_kIndex + 1 < m_param->getKeyframeCount())
keyframes[m_kIndex + 1] = nextKeyframe;
m_param->setKeyframes(keyframes);
}
//=============================================================================
class RemoveKeyframeUndo final : public TUndo {
TDoubleParam *m_param;
TDoubleKeyframe m_keyframe;
public:
RemoveKeyframeUndo(TDoubleParam *param, int kIndex) : m_param(param) {
m_param->addRef();
m_keyframe = m_param->getKeyframe(kIndex);
}
~RemoveKeyframeUndo() { m_param->release(); }
void undo() const override { m_param->setKeyframe(m_keyframe); }
void redo() const override { m_param->deleteKeyframe(m_keyframe.m_frame); }
int getSize() const override { return sizeof(*this); }
QString getHistoryString() override { return QObject::tr("Remove Keyframe"); }
};
//=============================================================================
void KeyframeSetter::removeKeyframeAt(TDoubleParam *curve, double frame) {
int kIndex = curve->getClosestKeyframe(frame);
if (kIndex < 0 || kIndex >= curve->getKeyframeCount() ||
curve->keyframeIndexToFrame(kIndex) != frame)
return;
TUndoManager::manager()->add(new RemoveKeyframeUndo(curve, kIndex));
curve->deleteKeyframe(frame);
}
//=============================================================================
class EnableCycleUndo final : public TUndo {
TDoubleParam *m_param;
public:
EnableCycleUndo(TDoubleParam *param) : m_param(param) { m_param->addRef(); }
~EnableCycleUndo() { m_param->release(); }
void invertCycleEnabled() const {
bool isEnabled = m_param->isCycleEnabled();
m_param->enableCycle(!isEnabled);
}
void undo() const override { invertCycleEnabled(); }
void redo() const override { invertCycleEnabled(); }
int getSize() const override { return sizeof(*this); }
QString getHistoryString() override { return QObject::tr("Cycle"); }
};
//=============================================================================
void KeyframeSetter::enableCycle(TDoubleParam *curve, bool enabled) {
curve->enableCycle(enabled);
TUndoManager::manager()->add(new EnableCycleUndo(curve));
}