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/***************************************************************************
* Copyright (c) 2020 Werner Mayer <wmayer[at]users.sourceforge.net> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library 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 Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include <Gui/CommandT.h>
#include <Gui/Selection/Selection.h>
#include <Gui/WaitCursor.h>
#include <Mod/Mesh/App/MeshFeature.h>
#include "DlgDecimating.h"
#include "ui_DlgDecimating.h"
using namespace MeshGui;
/* TRANSLATOR MeshGui::DlgDecimating */
DlgDecimating::DlgDecimating(QWidget* parent, Qt::WindowFlags fl)
: QWidget(parent, fl)
, ui(new Ui_DlgDecimating)
{
ui->setupUi(this);
connect(
ui->checkAbsoluteNumber,
&QCheckBox::toggled,
this,
&DlgDecimating::onCheckAbsoluteNumberToggled
);
ui->spinBoxReduction->setMinimumWidth(60);
ui->checkAbsoluteNumber->setEnabled(false);
onCheckAbsoluteNumberToggled(false);
}
DlgDecimating::~DlgDecimating() = default;
bool DlgDecimating::isAbsoluteNumber() const
{
return ui->checkAbsoluteNumber->isChecked();
}
int DlgDecimating::targetNumberOfTriangles() const
{
if (ui->checkAbsoluteNumber->isChecked()) {
return ui->spinBoxReduction->value();
}
return int(numberOfTriangles * (1.0 - reduction()));
}
void DlgDecimating::setNumberOfTriangles(int num)
{
numberOfTriangles = num;
ui->checkAbsoluteNumber->setEnabled(num > 0);
if (num <= 0) {
ui->checkAbsoluteNumber->setChecked(false);
}
}
void DlgDecimating::onCheckAbsoluteNumberToggled(bool on)
{
ui->sliderReduction->setDisabled(on);
ui->groupBoxTolerance->setDisabled(on);
if (on) {
disconnect(
ui->sliderReduction,
qOverload<int>(&QSlider::valueChanged),
ui->spinBoxReduction,
&QSpinBox::setValue
);
disconnect(
ui->spinBoxReduction,
qOverload<int>(&QSpinBox::valueChanged),
ui->sliderReduction,
&QSlider::setValue
);
ui->spinBoxReduction->setRange(1, numberOfTriangles);
ui->spinBoxReduction->setValue(int(numberOfTriangles * (1.0 - reduction())));
ui->spinBoxReduction->setSuffix(QString());
ui->checkAbsoluteNumber->setText(tr("Absolute number (Maximum: %1)").arg(numberOfTriangles));
}
else {
ui->spinBoxReduction->setRange(0, 100);
ui->spinBoxReduction->setValue(ui->sliderReduction->value());
ui->spinBoxReduction->setSuffix(QStringLiteral("%"));
ui->checkAbsoluteNumber->setText(tr("Absolute number"));
connect(
ui->sliderReduction,
qOverload<int>(&QSlider::valueChanged),
ui->spinBoxReduction,
&QSpinBox::setValue
);
connect(
ui->spinBoxReduction,
qOverload<int>(&QSpinBox::valueChanged),
ui->sliderReduction,
&QSlider::setValue
);
}
}
double DlgDecimating::tolerance() const
{
return ui->spinBoxTolerance->value();
}
/**
* Returns the level of reduction in the range [0, 1]. 0 means no reduction, 1 means full
* reduction.
*/
double DlgDecimating::reduction() const
{
double max = static_cast<double>(ui->sliderReduction->maximum());
double min = static_cast<double>(ui->sliderReduction->minimum());
double val = static_cast<double>(ui->sliderReduction->value());
return (val - min) / (max - min);
}
// ---------------------------------------
/* TRANSLATOR MeshGui::TaskDecimating */
TaskDecimating::TaskDecimating()
{
widget = new DlgDecimating(); // NOLINT
addTaskBox(widget, false, nullptr);
std::vector<Mesh::Feature*> meshes = Gui::Selection().getObjectsOfType<Mesh::Feature>();
if (meshes.size() == 1) {
Mesh::Feature* mesh = meshes.front();
const Mesh::MeshObject& mm = mesh->Mesh.getValue();
widget->setNumberOfTriangles(static_cast<int>(mm.countFacets()));
}
}
bool TaskDecimating::accept()
{
std::vector<Mesh::Feature*> meshes = Gui::Selection().getObjectsOfType<Mesh::Feature>();
if (meshes.empty()) {
return true;
}
Gui::Selection().clearSelection();
Gui::WaitCursor wc;
Gui::Command::openCommand(QT_TRANSLATE_NOOP("Command", "Mesh Decimating"));
float tolerance = float(widget->tolerance());
float reduction = float(widget->reduction());
bool absolute = widget->isAbsoluteNumber();
int targetSize = 0;
if (absolute) {
targetSize = widget->targetNumberOfTriangles();
}
for (auto mesh : meshes) {
if (absolute) {
Gui::cmdAppObjectArgs(mesh, "decimate(%i)", targetSize);
}
else {
Gui::cmdAppObjectArgs(mesh, "decimate(%f, %f)", tolerance, reduction);
}
}
Gui::Command::commitCommand();
return true;
}
#include "moc_DlgDecimating.cpp"
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