125 lines
4.4 KiB
C++
125 lines
4.4 KiB
C++
#include "effects/effects.h"
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#include <QDebug>
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#include <QWidget>
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#include <QLabel>
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#include <QGridLayout>
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#include <QSpinBox>
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#include <QCheckBox>
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#include <QOpenGLFunctions>
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#include "ui/collapsiblewidget.h"
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#include "project/clip.h"
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#include "project/sequence.h"
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#include "io/media.h"
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#include "ui/labelslider.h"
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TransformEffect::TransformEffect(Clip* c) : Effect(c) {
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setup_effect(EFFECT_TYPE_VIDEO, VIDEO_TRANSFORM_EFFECT);
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QGridLayout* ui_layout = new QGridLayout();
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ui_layout->addWidget(new QLabel("Position:"), 0, 0);
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position_x = new LabelSlider();
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ui_layout->addWidget(position_x, 0, 1);
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position_y = new LabelSlider();
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ui_layout->addWidget(position_y, 0, 2);
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ui_layout->addWidget(new QLabel("Scale:"), 1, 0);
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scale_x = new LabelSlider();
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scale_x->set_minimum_value(0);
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scale_x->set_maximum_value(1200);
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ui_layout->addWidget(scale_x, 1, 1);
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scale_y = new LabelSlider();
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scale_y->set_minimum_value(0);
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scale_y->set_maximum_value(1200);
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ui_layout->addWidget(scale_y, 1, 2);
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uniform_scale_box = new QCheckBox();
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uniform_scale_box->setText("Uniform Scale");
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ui_layout->addWidget(uniform_scale_box, 2, 1);
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ui_layout->addWidget(new QLabel("Rotation:"), 3, 0);
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rotation = new LabelSlider();
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ui_layout->addWidget(rotation, 3, 1);
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ui_layout->addWidget(new QLabel("Anchor Point:"), 4, 0);
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anchor_x_box = new LabelSlider();
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ui_layout->addWidget(anchor_x_box, 4, 1);
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anchor_y_box = new LabelSlider();
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ui_layout->addWidget(anchor_y_box, 4, 2);
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ui_layout->addWidget(new QLabel("Opacity:"), 5, 0);
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opacity = new LabelSlider();
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opacity->set_minimum_value(0);
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opacity->set_maximum_value(100);
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ui_layout->addWidget(opacity, 5, 1);
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ui->setLayout(ui_layout);
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container->setContents(ui);
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// set defaults
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position_x->set_default_value(c->sequence->width/2);
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position_y->set_default_value(c->sequence->height/2);
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scale_x->set_default_value(100);
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scale_y->set_default_value(100);
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scale_y->setEnabled(false);
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uniform_scale_box->setChecked(true);
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default_anchor_x = c->media_stream->video_width/2;
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default_anchor_y = c->media_stream->video_height/2;
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anchor_x_box->set_default_value(default_anchor_x);
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anchor_y_box->set_default_value(default_anchor_y);
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opacity->set_default_value(100);
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connect(position_x, SIGNAL(valueChanged()), this, SLOT(field_changed()));
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connect(position_y, SIGNAL(valueChanged()), this, SLOT(field_changed()));
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connect(rotation, SIGNAL(valueChanged()), this, SLOT(field_changed()));
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connect(scale_x, SIGNAL(valueChanged()), this, SLOT(field_changed()));
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connect(scale_y, SIGNAL(valueChanged()), this, SLOT(field_changed()));
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connect(anchor_x_box, SIGNAL(valueChanged()), this, SLOT(field_changed()));
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connect(anchor_y_box, SIGNAL(valueChanged()), this, SLOT(field_changed()));
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connect(opacity, SIGNAL(valueChanged()), this, SLOT(field_changed()));
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connect(uniform_scale_box, SIGNAL(toggled(bool)), this, SLOT(toggle_uniform_scale(bool)));
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connect(uniform_scale_box, SIGNAL(toggled(bool)), this, SLOT(field_changed()));
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}
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Effect* TransformEffect::copy(Clip* c) {
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TransformEffect* t = new TransformEffect(c);
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t->position_x->set_value(position_x->value());
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t->position_y->set_value(position_y->value());
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t->scale_x->set_value(scale_x->value());
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t->scale_y->set_value(scale_y->value());
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t->uniform_scale_box->setChecked(uniform_scale_box->isChecked());
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t->rotation->set_value(rotation->value());
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t->anchor_x_box->set_value(anchor_x_box->value());
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t->anchor_y_box->set_value(anchor_y_box->value());
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t->opacity->set_value(opacity->value());
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return t;
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}
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void TransformEffect::toggle_uniform_scale(bool enabled) {
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scale_y->setEnabled(!enabled);
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}
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void TransformEffect::process_gl(int* anchor_x, int* anchor_y) {
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// position
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glTranslatef(position_x->value()-(parent_clip->sequence->width/2), position_y->value()-(parent_clip->sequence->height/2), 0);
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// anchor point
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*anchor_x += (anchor_x_box->value()-default_anchor_x);
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*anchor_y += (anchor_y_box->value()-default_anchor_y);
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// rotation
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glRotatef(rotation->value(), 0, 0, 1);
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// scale
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float sx = scale_x->value()*0.01;
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float sy = (uniform_scale_box->isChecked()) ? sx : scale_y->value()*0.01;
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glScalef(sx, sy, 1);
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// opacity
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glColor4f(1.0, 1.0, 1.0, opacity->value()*0.01);
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}
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