139 lines
4.7 KiB
C++
139 lines
4.7 KiB
C++
/***
|
|
|
|
Olive - Non-Linear Video Editor
|
|
Copyright (C) 2019 Olive Team
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
***/
|
|
|
|
#include "transition.h"
|
|
|
|
#include "mainwindow.h"
|
|
#include "clip.h"
|
|
#include "sequence.h"
|
|
#include "debug.h"
|
|
|
|
#include "io/clipboard.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>
|
|
#include <QCoreApplication>
|
|
|
|
Transition::Transition(Clip *c, Clip *s, const EffectMeta* em) :
|
|
Effect(c, em), secondary_clip(s),
|
|
length(30)
|
|
{
|
|
length_field = add_row(tr("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 == nullptr ? parent_clip->cached_frame_rate() : parent_clip->sequence->frame_rate);
|
|
}
|
|
|
|
TransitionPtr Transition::copy(Clip *c, Clip *s) {
|
|
return Transition::Create(c, s, meta, length);
|
|
}
|
|
|
|
void Transition::save(QXmlStreamWriter &stream) {
|
|
stream.writeAttribute("length", QString::number(get_true_length()));
|
|
Effect::save(stream);
|
|
}
|
|
|
|
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 != nullptr) {
|
|
return length * 2;
|
|
}
|
|
return length;
|
|
}
|
|
|
|
Clip* Transition::get_opened_clip() {
|
|
if (parent_clip->opening_transition.get() == this) {
|
|
return parent_clip;
|
|
} else if (secondary_clip != nullptr && secondary_clip->opening_transition.get() == this) {
|
|
return secondary_clip;
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
Clip* Transition::get_closed_clip() {
|
|
if (parent_clip->closing_transition.get() == this) {
|
|
return parent_clip;
|
|
} else if (secondary_clip != nullptr && secondary_clip->closing_transition.get() == this) {
|
|
return secondary_clip;
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
void Transition::set_length_from_slider() {
|
|
set_length(length_field->get_double_value(0));
|
|
update_ui(false);
|
|
}
|
|
|
|
TransitionPtr Transition::CreateFromMeta(Clip* c, Clip* s, const EffectMeta* em) {
|
|
if (!em->filename.isEmpty()) {
|
|
// load effect from file
|
|
return TransitionPtr(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 TransitionPtr(new CrossDissolveTransition(c, s, em));
|
|
case TRANSITION_INTERNAL_LINEARFADE: return TransitionPtr(new LinearFadeTransition(c, s, em));
|
|
case TRANSITION_INTERNAL_EXPONENTIALFADE: return TransitionPtr(new ExponentialFadeTransition(c, s, em));
|
|
case TRANSITION_INTERNAL_LOGARITHMICFADE: return TransitionPtr(new LogarithmicFadeTransition(c, s, em));
|
|
case TRANSITION_INTERNAL_CUBE: return TransitionPtr(new CubeTransition(c, s, em));
|
|
}
|
|
} else {
|
|
qCritical() << "Invalid transition data";
|
|
QMessageBox::critical(olive::MainWindow,
|
|
QCoreApplication::translate("transition", "Invalid transition"),
|
|
QCoreApplication::translate("transition", "No candidate for transition '%1'. This transition may be corrupt. Try reinstalling it or Olive.").arg(em->name)
|
|
);
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
TransitionPtr Transition::Create(Clip* c, Clip* s, const EffectMeta* em, long length) {
|
|
TransitionPtr t(CreateFromMeta(c, s, em));
|
|
if (t != nullptr) {
|
|
if (length > 0) {
|
|
t->set_length(length);
|
|
}
|
|
return t;
|
|
}
|
|
return nullptr;
|
|
}
|