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|
package ImageItemObject;
use strict;
use warnings;
use QtCore4;
use QtGui4;
use Scalar::Util qw(weaken);
use QtCore4::isa qw( Qt::Object );
use QtCore4::slots
setFrame => ['int'],
updateItemPosition => [];
sub NEW {
shift->SUPER::NEW(@_);
}
sub setImageItem {
this->{imageItem} = shift;
weaken(this->{imageItem});
return;
}
# [3]
sub setFrame
{
my ($frame) = @_;
this->{imageItem}->adjust();
my $center = this->{imageItem}->boundingRect()->center();
this->{imageItem}->translate($center->x(), $center->y());
this->{imageItem}->scale(1 + $frame / 330.0, 1 + $frame / 330.0);
this->{imageItem}->translate(-($center->x()), -($center->y()));
}
# [3]
# [6]
sub updateItemPosition
{
this->{imageItem}->setZValue(this->{z});
}
# [6]
package ImageItem;
use strict;
use warnings;
use QtCore4;
use QtGui4;
use QtCore4::isa qw( Qt::GraphicsPixmapItem );
use ImageItemObject;
# [0]
sub NEW {
my ($class, $id, $pixmap, $parent, $scene) = @_;
$class->SUPER::NEW($pixmap, $parent, $scene);
my $object = ImageItemObject($parent);
$object->setImageItem( this );
this->{object} = $object;
this->{z} = 0.0;
this->{recordId} = $id;
this->setAcceptsHoverEvents(1);
this->{timeLine} = Qt::TimeLine();
this->{timeLine}->setDuration(150);
this->{timeLine}->setFrameRange(0, 150);
$object->connect(this->{timeLine}, SIGNAL 'frameChanged(int)', $object, SLOT 'setFrame(int)');
$object->connect(this->{timeLine}, SIGNAL 'finished()', $object, SLOT 'updateItemPosition()');
this->adjust();
}
# [0]
# [1]
sub hoverEnterEvent
{
this->{timeLine}->setDirection(Qt::TimeLine::Forward());
if (this->{z} != 1.0) {
this->{z} = 1.0;
this->{object}->updateItemPosition();
}
if (this->{timeLine}->state() == Qt::TimeLine::NotRunning()) {
this->{timeLine}->start();
}
}
# [1]
# [2]
sub hoverLeaveEvent
{
this->{timeLine}->setDirection(Qt::TimeLine::Backward());
if (this->{z} != 0.0) {
this->{z} = 0.0;
}
if (this->{timeLine}->state() == Qt::TimeLine::NotRunning()) {
this->{timeLine}->start();
}
}
# [2]
# [4]
sub adjust
{
my $matrix = Qt::Matrix();
$matrix->scale(150/ this->boundingRect()->width(), 120/ this->boundingRect()->height());
this->setMatrix($matrix);
}
# [4]
# [5]
sub id
{
return this->{recordId};
}
# [5]
1;
|
