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implemented full bezier interpolation for keyframes

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This commit is contained in:
itsmattkc
2019-01-03 21:52:01 +11:00
parent 215c784f8e
commit 30933cbfcd
25 changed files with 1311 additions and 1071 deletions
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ui/graphview.cpp
+201 -68
View File
@@ -11,11 +11,17 @@
#include "project/effectfield.h"
#include "ui/keyframedrawing.h"
#include "project/undo.h"
#include "project/effect.h"
#include "debug.h"
#define GRAPH_ZOOM_SPEED 0.05
#define GRAPH_SIZE 100
#define BEZIER_HANDLE_SIZE 3
#define BEZIER_HANDLE_NONE 1
#define BEZIER_HANDLE_PRE 2
#define BEZIER_HANDLE_POST 3
QColor get_curve_color(int index, int length) {
QColor c;
@@ -31,7 +37,8 @@ GraphView::GraphView(QWidget* parent) :
mousedown(false),
zoom(1.0),
row(NULL),
moved_keys(false)
moved_keys(false),
current_handle(BEZIER_HANDLE_NONE)
{
setMouseTracking(true);
}
@@ -40,7 +47,8 @@ void GraphView::paintEvent(QPaintEvent *event) {
QPainter p(this);
if (panel_sequence_viewer->seq != NULL) {
// draw lines
// draw grid lines
//int graph_size = GRAPH_SIZE*zoom;
bool draw_text = true;//(fontMetrics().height() < graph_size && fontMetrics().width("0000") < graph_size);
@@ -75,53 +83,100 @@ void GraphView::paintEvent(QPaintEvent *event) {
QPen line_pen;
line_pen.setWidth(2);
for (int i=0;i<row->fieldCount();i++) {
EffectField* field = row->field(i);
for (int i=0;i<row->fieldCount();i++) {
EffectField* field = row->field(i);
if (field->type == EFFECT_FIELD_DOUBLE) {
// sort keyframes by time
QVector<int> sorted_keys;
for (int k=0;k<field->keyframes.size();k++) {
bool inserted = false;
for (int j=0;j<sorted_keys.size();j++) {
if (field->keyframes.at(sorted_keys.at(j)).time > field->keyframes.at(k).time) {
sorted_keys.insert(j, k);
inserted = true;
break;
}
}
if (!inserted) {
sorted_keys.append(i);
}
}
if (field->type == EFFECT_FIELD_DOUBLE && field_visibility.at(i)) {
// sort keyframes by time
QVector<int> sorted_keys;
for (int k=0;k<field->keyframes.size();k++) {
bool inserted = false;
for (int j=0;j<sorted_keys.size();j++) {
if (field->keyframes.at(sorted_keys.at(j)).time > field->keyframes.at(k).time) {
sorted_keys.insert(j, k);
inserted = true;
break;
}
}
if (!inserted) {
sorted_keys.append(k);
}
}
int last_key_x, last_key_y;
int last_key_x, last_key_y;
// draw lines
for (int j=0;j<sorted_keys.size();j++) {
// draw lines
int key_index = sorted_keys.at(j);
const EffectKeyframe& key = field->keyframes.at(sorted_keys.at(j));
int key_x = get_screen_x(field->keyframes.at(key_index).time);
int key_y = get_screen_y(field->keyframes.at(key_index).data.toDouble());
int key_x = get_screen_x(key.time);
int key_y = get_screen_y(key.data.toDouble());
line_pen.setColor(get_curve_color(i, row->fieldCount()));
p.setPen(line_pen);
if (key_index == 0) {
if (j == 0) {
p.drawLine(0, key_y, key_x, key_y);
} else {
p.drawLine(last_key_x, last_key_y, key_x, key_y);
const EffectKeyframe& last_key = field->keyframes.at(sorted_keys.at(j-1));
if (last_key.type == KEYFRAME_TYPE_HOLD) {
// hold
p.drawLine(last_key_x, last_key_y, key_x, last_key_y);
p.drawLine(key_x, last_key_y, key_x, key_y);
} else if (last_key.type == KEYFRAME_TYPE_BEZIER || key.type == KEYFRAME_TYPE_BEZIER) {
QPainterPath bezier_path;
bezier_path.moveTo(last_key_x, last_key_y);
if (last_key.type == KEYFRAME_TYPE_BEZIER && key.type == KEYFRAME_TYPE_BEZIER) {
// cubic bezier
bezier_path.cubicTo(
QPointF(last_key_x+last_key.post_handle_x, last_key_y+last_key.post_handle_y),
QPointF(key_x+key.pre_handle_x, key_y+key.pre_handle_y),
QPointF(key_x, key_y)
);
} else if (key.type == KEYFRAME_TYPE_LINEAR) { // quadratic bezier
// last keyframe is the bezier one
bezier_path.quadTo(
QPointF(last_key_x+last_key.post_handle_x, last_key_y+last_key.post_handle_y),
QPointF(key_x, key_y)
);
} else {
// this keyframe is the bezier one
bezier_path.quadTo(
QPointF(key_x+key.pre_handle_x, key_y+key.pre_handle_y),
QPointF(key_x, key_y)
);
}
p.drawPath(bezier_path);
} else {
// linear
p.drawLine(last_key_x, last_key_y, key_x, key_y);
}
}
last_key_x = key_x;
last_key_y = key_y;
}
// draw keys
for (int j=0;j<sorted_keys.size();j++) {
// draw keys
int key_index = sorted_keys.at(j);
const EffectKeyframe& key = field->keyframes.at(sorted_keys.at(j));
int key_x = get_screen_x(field->keyframes.at(key_index).time);
int key_y = get_screen_y(field->keyframes.at(key_index).data.toDouble());
int key_x = get_screen_x(key.time);
int key_y = get_screen_y(key.data.toDouble());
draw_keyframe(p, field->keyframes.at(key_index).type, key_x, key_y, (selected_keys.contains(key_index) && selected_keys_fields.contains(i)));
if (key.type == KEYFRAME_TYPE_BEZIER) {
p.setPen(Qt::gray);
// pre handle line
QPointF pre_point(key_x + key.pre_handle_x*zoom, key_y + key.pre_handle_y*zoom);
p.drawLine(pre_point, QPointF(key_x, key_y));
p.drawEllipse(pre_point, BEZIER_HANDLE_SIZE, BEZIER_HANDLE_SIZE);
// post handle line
QPointF post_point(key_x + key.post_handle_x*zoom, key_y + key.post_handle_y*zoom);
p.drawLine(post_point, QPointF(key_x, key_y));
p.drawEllipse(post_point, BEZIER_HANDLE_SIZE, BEZIER_HANDLE_SIZE);
}
draw_keyframe(p, key.type, key_x, key_y, (selected_keys.contains(sorted_keys.at(j)) && selected_keys_fields.contains(i)));
}
}
}
@@ -153,13 +208,15 @@ void GraphView::mousePressEvent(QMouseEvent *event) {
selected_keys.clear();
selected_keys_fields.clear();
}
current_handle = BEZIER_HANDLE_NONE;
if (row != NULL) {
for (int i=0;i<row->fieldCount();i++) {
EffectField* field = row->field(i);
if (field->type == EFFECT_FIELD_DOUBLE) {
for (int j=0;j<field->keyframes.size();j++) {
int key_x = get_screen_x(field->keyframes.at(j).time);
int key_y = get_screen_y(field->keyframes.at(j).data.toDouble());
if (field->type == EFFECT_FIELD_DOUBLE && field_visibility.at(i)) {
for (int j=0;j<field->keyframes.size();j++) {
const EffectKeyframe& key = field->keyframes.at(j);
int key_x = get_screen_x(key.time);
int key_y = get_screen_y(key.data.toDouble());
if (event->pos().x() > key_x-KEYFRAME_SIZE
&& event->pos().x() < key_x+KEYFRAME_SIZE
&& event->pos().y() > key_y-KEYFRAME_SIZE
@@ -167,6 +224,33 @@ void GraphView::mousePressEvent(QMouseEvent *event) {
sel_key = j;
sel_key_field = i;
break;
} else {
// selecting a handle
QPointF pre_point(key_x + key.pre_handle_x*zoom, key_y + key.pre_handle_y*zoom);
if (event->pos().x() > pre_point.x()-BEZIER_HANDLE_SIZE
&& event->pos().x() < pre_point.x()+BEZIER_HANDLE_SIZE
&& event->pos().y() > pre_point.y()-BEZIER_HANDLE_SIZE
&& event->pos().y() < pre_point.y()+BEZIER_HANDLE_SIZE) {
sel_key = j;
sel_key_field = i;
old_handle_x = key.pre_handle_x;
old_handle_y = key.pre_handle_y;
current_handle = BEZIER_HANDLE_PRE;
break;
} else {
QPointF post_point(key_x + key.post_handle_x*zoom, key_y + key.post_handle_y*zoom);
if (event->pos().x() > post_point.x()-BEZIER_HANDLE_SIZE
&& event->pos().x() < post_point.x()+BEZIER_HANDLE_SIZE
&& event->pos().y() > post_point.y()-BEZIER_HANDLE_SIZE
&& event->pos().y() < post_point.y()+BEZIER_HANDLE_SIZE) {
sel_key = j;
sel_key_field = i;
old_handle_x = key.post_handle_x;
old_handle_y = key.post_handle_y;
current_handle = BEZIER_HANDLE_POST;
break;
}
}
}
}
}
@@ -179,16 +263,24 @@ void GraphView::mousePressEvent(QMouseEvent *event) {
selected_keys_old_vals.clear();
selected_keys_old_doubles.clear();
int selected_key_type = -1;
for (int i=0;i<selected_keys.size();i++) {
for (int j=0;j<selected_keys_fields.size();j++) {
selected_keys_old_vals.append(row->field(selected_keys_fields.at(j))->keyframes.at(selected_keys.at(i)).time);
selected_keys_old_doubles.append(row->field(selected_keys_fields.at(j))->keyframes.at(selected_keys.at(i)).data.toDouble());
const EffectKeyframe& key = row->field(selected_keys_fields.at(i))->keyframes.at(selected_keys.at(i));
selected_keys_old_vals.append(key.time);
selected_keys_old_doubles.append(key.data.toDouble());
if (selected_key_type == -1) {
selected_key_type = key.type;
} else if (selected_key_type != key.type) {
selected_key_type = -2;
}
}
update();
emit selection_changed(selected_keys.size() > 0);
emit selection_changed(selected_keys.size() > 0, selected_key_type);
}
void GraphView::mouseMoveEvent(QMouseEvent *event) {
@@ -200,39 +292,60 @@ void GraphView::mouseMoveEvent(QMouseEvent *event) {
start_y = event->pos().y();
update();
} else {
for (int i=0;i<selected_keys.size();i++) {
for (int j=0;j<selected_keys_fields.size();j++) {
int index = (i*selected_keys_fields.size())+j;
row->field(selected_keys_fields.at(j))->keyframes[selected_keys.at(i)].time = selected_keys_old_vals.at(index) + (double(event->pos().x() - start_x)/zoom);
row->field(selected_keys_fields.at(j))->keyframes[selected_keys.at(i)].data = selected_keys_old_doubles.at(index) + (double(start_y - event->pos().y())/zoom);
switch (current_handle) {
case BEZIER_HANDLE_NONE:
for (int i=0;i<selected_keys.size();i++) {
row->field(selected_keys_fields.at(i))->keyframes[selected_keys.at(i)].time = qRound(selected_keys_old_vals.at(i) + (double(event->pos().x() - start_x)/zoom));
row->field(selected_keys_fields.at(i))->keyframes[selected_keys.at(i)].data = qRound(selected_keys_old_doubles.at(i) + (double(start_y - event->pos().y())/zoom));
}
moved_keys = true;
update_ui(false);
break;
case BEZIER_HANDLE_PRE:
row->field(selected_keys_fields.last())->keyframes[selected_keys.last()].pre_handle_x = old_handle_x + double(event->pos().x() - start_x)/zoom;
row->field(selected_keys_fields.last())->keyframes[selected_keys.last()].pre_handle_y = old_handle_y + double(event->pos().y() - start_y)/zoom;
moved_keys = true;
update_ui(false);
break;
case BEZIER_HANDLE_POST:
row->field(selected_keys_fields.last())->keyframes[selected_keys.last()].post_handle_x = old_handle_x + double(event->pos().x() - start_x)/zoom;
row->field(selected_keys_fields.last())->keyframes[selected_keys.last()].post_handle_y = old_handle_y + double(event->pos().y() - start_y)/zoom;
moved_keys = true;
update_ui(false);
break;
}
moved_keys = true;
update_ui(false);
}
}
}
void GraphView::mouseReleaseEvent(QMouseEvent *event) {
if (moved_keys && selected_keys.size() > 0) {
/*ComboAction* ca = new ComboAction();
QVector<EffectRow*> rows;
QVector<long> new_vals;
for (int i=0;i<selected_keys.size();i++) {
rows.append(row);
new_vals.append(row->keyframe_times.at(selected_keys.at(i)));
for (int j=0;j<selected_keys_fields.size();j++) {
ca->append(new SetQVariant(&row->field(selected_keys_fields.at(j))->keyframe_data[selected_keys.at(i)],
selected_keys_old_doubles.at((i*selected_keys_fields.size())+j),
row->field(selected_keys_fields.at(j))->keyframe_data.at(selected_keys.at(i))));
ComboAction* ca = new ComboAction();
switch (current_handle) {
case BEZIER_HANDLE_NONE:
for (int i=0;i<selected_keys.size();i++) {
EffectKeyframe& key = row->field(selected_keys_fields.at(i))->keyframes[selected_keys.at(i)];
ca->append(new SetLong(&key.time, selected_keys_old_vals.at(i), key.time));
ca->append(new SetQVariant(&key.data, selected_keys_old_doubles.at(i), key.data));
}
//ca->append(new KeyframeSet(row, selected_keys.at(i), 0, false));
}
ca->append(new KeyframeMove(rows, selected_keys, selected_keys_old_vals, new_vals));
undo_stack.push(ca);*/
break;
case BEZIER_HANDLE_PRE:
{
EffectKeyframe& key = row->field(selected_keys_fields.last())->keyframes[selected_keys.last()];
ca->append(new SetDouble(&key.pre_handle_x, old_handle_x, key.pre_handle_x));
ca->append(new SetDouble(&key.pre_handle_y, old_handle_y, key.pre_handle_y));
}
break;
case BEZIER_HANDLE_POST:
{
EffectKeyframe& key = row->field(selected_keys_fields.last())->keyframes[selected_keys.last()];
ca->append(new SetDouble(&key.post_handle_x, old_handle_x, key.post_handle_x));
ca->append(new SetDouble(&key.post_handle_y, old_handle_y, key.post_handle_y));
}
break;
}
undo_stack.push(ca);
}
moved_keys = false;
mousedown = false;
@@ -269,19 +382,39 @@ void GraphView::set_row(EffectRow *r) {
selected_keys_fields.clear();
selected_keys_old_vals.clear();
selected_keys_old_doubles.clear();
emit selection_changed(false);
emit selection_changed(false, -1);
row = r;
if (row != NULL) {
field_visibility.resize(row->fieldCount());
field_visibility.fill(true);
}
update();
}
void GraphView::set_selected_keyframe_type(int type) {
if (selected_keys.size() > 0) {
ComboAction* ca = new ComboAction();
for (int i=0;i<selected_keys.size();i++) {
EffectKeyframe& key = row->field(selected_keys_fields.at(i))->keyframes[selected_keys.at(i)];
ca->append(new SetInt(&key.type, type));
}
undo_stack.push(ca);
update_ui(false);
}
}
void GraphView::set_field_visibility(int field, bool b) {
field_visibility[field] = b;
update();
}
void GraphView::set_scroll_x(int s) {
x_scroll = s;//qMax(0, s);
dout << x_scroll;
x_scroll = s;
emit x_scroll_changed(x_scroll);
}
void GraphView::set_scroll_y(int s) {
y_scroll = s;//qMax(0, s);
y_scroll = s;
emit y_scroll_changed(y_scroll);
}