mt-polygon-simplification/lib/psimpl/demo/MainWindow.cpp
2019-07-14 20:37:26 +02:00

257 lines
9.2 KiB
C++

/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is
* 'psimpl - generic n-dimensional polyline simplification'.
*
* The Initial Developer of the Original Code is
* Elmar de Koning.
* Portions created by the Initial Developer are Copyright (C) 2010-2011
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* ***** END LICENSE BLOCK ***** */
/*
psimpl - generic n-dimensional polyline simplification
Copyright (C) 2010-2011 Elmar de Koning, edekoning@gmail.com
This file is part of psimpl, and is hosted at SourceForge:
http://sourceforge.net/projects/psimpl/
*/
#include "MainWindow.h"
#include "ui_MainWindow.h"
#include "DPWorker.h"
#include <cmath>
#include <QtGui/QToolButton>
namespace psimpl {
MainWindow::MainWindow (QWidget *parent) :
QMainWindow (parent),
ui (new Ui::MainWindow)
{
mWorker = new DPWorker (this);
ui->setupUi (this);
ui->polyTypeComboBox->setCurrentIndex(VECTOR_DOUBLE);
#ifndef _DEBUG
ui->algorithmComboBox->removeItem (DOUGLAS_PEUCKER_REFERENCE);
#endif
connect (mWorker, SIGNAL (SignalGeneratingPolyline ()),
this, SLOT (SlotGeneratingPolyline ()));
connect (mWorker, SIGNAL (SignalConvertingPolyline ()),
this, SLOT (SlotConvertingPolyline ()));
connect (mWorker, SIGNAL (SignalSimplifyingPolyline ()),
this, SLOT (SlotSimplifyingPolyline ()));
connect (mWorker, SIGNAL (SignalCleaningConvertedPolyline ()),
this, SLOT (SlotCleaningConvertedPolyline ()));
connect (mWorker, SIGNAL (SignalGeneratedPolyline (int, QVector <qreal>&)),
this, SLOT (SlotGeneratedPolyline (int, QVector <qreal>&)));
connect (mWorker, SIGNAL (SignalSimplifiedPolyline (int, QVector <qreal>&)),
this, SLOT (SlotSimplifiedPolyline (int, QVector <qreal>&)));
connect (mWorker, SIGNAL (SignalSimplifiedPolyline (int, QVector <qreal>&, double, double, double, double)),
this, SLOT (SlotSimplifiedPolyline (int, QVector <qreal>&, double, double, double, double)));
}
MainWindow::~MainWindow ()
{
delete ui;
delete mWorker;
}
void MainWindow::changeEvent (QEvent *e)
{
QMainWindow::changeEvent (e);
switch (e->type ()) {
case QEvent::LanguageChange:
ui->retranslateUi (this);
break;
default:
break;
}
}
void MainWindow::EnableButtons ()
{
ui->generatePushButton->setEnabled (true);
ui->simplifyPushButton->setEnabled (true);
ui->togglePushButton->setEnabled(
ui->generatedPolylineCheckBox->isChecked () !=
ui->simplifiedPolylineCheckBox->isChecked ());
}
void MainWindow::DisableButtons ()
{
ui->generatePushButton->setDisabled (true);
ui->simplifyPushButton->setDisabled (true);
ui->togglePushButton->setDisabled (true);
}
void MainWindow::on_generatePushButton_clicked ()
{
QApplication::setOverrideCursor (QCursor (Qt::WaitCursor));
DisableButtons ();
mWorker->Generate (ui->polyPointCountSpinBox->value ());
}
void MainWindow::on_simplifyPushButton_clicked ()
{
QApplication::setOverrideCursor (QCursor (Qt::WaitCursor));
DisableButtons ();
switch (ui->algorithmComboBox->currentIndex ())
{
case NTH_POINT:
mWorker->SimplifyNP ((Container)ui->polyTypeComboBox->currentIndex (), ui->npSpinBox->value ());
break;
case RADIAL_DISTANCE:
mWorker->SimplifyRD ((Container)ui->polyTypeComboBox->currentIndex (), ui->rdLineEdit->text ());
break;
case PERPENDICULAR_DISTANCE:
mWorker->SimplifyPD ((Container)ui->polyTypeComboBox->currentIndex (), ui->pdLineEdit->text (), ui->pdSpinBox->value ());
break;
case REUMANN_WITKAM:
mWorker->SimplifyRW ((Container)ui->polyTypeComboBox->currentIndex (), ui->rwLineEdit->text ());
break;
case OPHEIM:
mWorker->SimplifyOp ((Container)ui->polyTypeComboBox->currentIndex (), ui->minOpLineEdit->text (), ui->maxOpLineEdit->text ());
break;
case LANG:
mWorker->SimplifyLa ((Container)ui->polyTypeComboBox->currentIndex (), ui->laLineEdit->text (), ui->lookAheadLaSpinBox->value ());
break;
case DOUGLAS_PEUCKER:
mWorker->SimplifyDP ((Container)ui->polyTypeComboBox->currentIndex (), ui->dpLineEdit->text ());
break;
case DOUGLAS_PEUCKER_VARIANT:
mWorker->SimplifyDP_variant ((Container)ui->polyTypeComboBox->currentIndex (), ui->dpvSpinBox->value ());
break;
case DOUGLAS_PEUCKER_REFERENCE:
mWorker->SimplifyDP_reference (ui->dprLineEdit->text ());
break;
}
}
void MainWindow::on_algorithmComboBox_currentIndexChanged (int index)
{
if (index == DOUGLAS_PEUCKER_REFERENCE) {
ui->polyTypeComboBox->setCurrentIndex (ARRAY_FLOAT);
ui->polyTypeComboBox->setDisabled (true);
}
else {
ui->polyTypeComboBox->setEnabled (true);
}
}
void MainWindow::on_generatedPolylineCheckBox_toggled (bool checked)
{
ui->renderArea->SetVisibleGeneratedPolyline (checked);
ui->togglePushButton->setDisabled(
ui->generatedPolylineCheckBox->isChecked () ==
ui->simplifiedPolylineCheckBox->isChecked ());
update();
}
void MainWindow::on_simplifiedPolylineCheckBox_toggled (bool checked)
{
ui->renderArea->SetVisibleSimplifiedPolyline (checked);
ui->togglePushButton->setDisabled(
ui->generatedPolylineCheckBox->isChecked () ==
ui->simplifiedPolylineCheckBox->isChecked ());
update();
}
void MainWindow::on_keepAspectRatioCheckBox_toggled (bool checked)
{
ui->renderArea->SetKeepAspectRatio (checked);
update();
}
void MainWindow::SlotGeneratingPolyline () {
ui->statusBar->showMessage ("Generating polyline...");
}
void MainWindow::SlotConvertingPolyline () {
ui->statusBar->showMessage (QString ("Converting polyline to '%1'...").arg (ui->polyTypeComboBox->currentText ()));
}
void MainWindow::SlotSimplifyingPolyline () {
ui->statusBar->showMessage ("Simplifying polyline...");
}
void MainWindow::SlotCleaningConvertedPolyline () {
ui->statusBar->showMessage ("Deleting converted polyline...");
}
void MainWindow::SlotGeneratedPolyline (int duration, QVector <qreal>& polyline)
{
ui->statusBar->showMessage (QString ("Generation took %1 ms").arg (duration));
ui->renderArea->SetGeneratedPolyline (polyline);
ui->simplGroupBox->setEnabled (true);
EnableButtons ();
QApplication::restoreOverrideCursor ();
update();
}
void MainWindow::SlotSimplifiedPolyline (int duration, QVector <qreal>& polyline)
{
int pointCount = polyline.count () / 2;
ui->maxValueLabel->setText ("-");
ui->sumValueLabel->setText ("-");
ui->meanValueLabel->setText ("-");
ui->stdValueLabel->setText ("-");
ui->statusBar->showMessage (
QString ("Simplification took %1 ms; %2 (%3%) points remaining").
arg (duration).
arg (pointCount).
arg (100.0 * pointCount / mWorker->GetGeneratedPointCount()));
ui->renderArea->SetSimplifiedPolyline(polyline);
EnableButtons ();
QApplication::restoreOverrideCursor ();
update();
}
void MainWindow::SlotSimplifiedPolyline (int duration, QVector <qreal>& polyline, double max, double sum, double mean, double std)
{
int pointCount = polyline.count () / 2;
ui->maxValueLabel->setText (QString::number (max));
ui->sumValueLabel->setText (QString::number (sum));
ui->meanValueLabel->setText (QString::number (mean));
ui->stdValueLabel->setText (QString::number (std));
ui->statusBar->showMessage (
QString ("Simplification took %1 ms; %2 (%3%) points remaining").
arg (duration).
arg (pointCount).
arg (100.0 * pointCount / mWorker->GetGeneratedPointCount()));
ui->renderArea->SetSimplifiedPolyline(polyline);
EnableButtons ();
QApplication::restoreOverrideCursor ();
update();
}
} // namespace psimpl