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