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#include "transition.h"
#include "mainwindow.h"
#include "clip.h"
#include "sequence.h"
#include "debug.h"
#include "effects/internal/crossdissolvetransition.h"
#include "effects/internal/linearfadetransition.h"
#include "effects/internal/exponentialfadetransition.h"
#include "effects/internal/logarithmicfadetransition.h"
#include "effects/internal/cubetransition.h"
#include "ui/labelslider.h"
#include "panels/panels.h"
#include "panels/timeline.h"
#include <QMessageBox>
Transition::Transition(Clip* c, Clip* s, const EffectMeta* em) :
Effect(c, em), secondary_clip(s),
length(30)
{
length_field = add_row("Length:", false)->add_field(EFFECT_FIELD_DOUBLE, "length");
connect(length_field, SIGNAL(changed()), this, SLOT(set_length_from_slider()));
length_field->set_double_default_value(30);
length_field->set_double_minimum_value(0);
LabelSlider* length_ui_ele = static_cast<LabelSlider*>(length_field->ui_element);
length_ui_ele->set_display_type(LABELSLIDER_FRAMENUMBER);
length_ui_ele->set_frame_rate(parent_clip->sequence->frame_rate);
}
int Transition::copy(Clip *c, Clip* s) {
int copy_index = create_transition(c, s, meta);
c->sequence->transitions.at(copy_index)->length = length;
return copy_index;
}
void Transition::set_length(long l) {
length = l;
length_field->set_double_value(l);
}
long Transition::get_true_length() {
return length;
}
long Transition::get_length() {
if (secondary_clip != NULL) {
return length * 2;
}
return length;
}
void Transition::set_length_from_slider() {
set_length(length_field->get_double_value(0));
update_ui(false);
}
Transition* get_transition_from_meta(Clip* c, Clip* s, const EffectMeta* em) {
if (!em->filename.isEmpty()) {
// load effect from file
return new Transition(c, s, em);
} else if (em->internal >= 0 && em->internal < TRANSITION_INTERNAL_COUNT) {
// must be an internal effect
switch (em->internal) {
case TRANSITION_INTERNAL_CROSSDISSOLVE: return new CrossDissolveTransition(c, s, em);
case TRANSITION_INTERNAL_LINEARFADE: return new LinearFadeTransition(c, s, em);
case TRANSITION_INTERNAL_EXPONENTIALFADE: return new ExponentialFadeTransition(c, s, em);
case TRANSITION_INTERNAL_LOGARITHMICFADE: return new LogarithmicFadeTransition(c, s, em);
case TRANSITION_INTERNAL_CUBE: return new CubeTransition(c, s, em);
}
} else {
dout << "[ERROR] Invalid transition data";
QMessageBox::critical(mainWindow, "Invalid transition", "No candidate for transition '" + em->name + "'. This transition may be corrupt. Try reinstalling it or Olive.");
}
return NULL;
}
int create_transition(Clip* c, Clip* s, const EffectMeta* em) {
Transition* t = get_transition_from_meta(c, s, em);
if (t != NULL) {
c->sequence->transitions.append(t);
return c->sequence->transitions.size() - 1;
}
return -1;
}
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