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Mesh: add GUI to perform mesh decimation
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,169 @@ | ||
| /*************************************************************************** | ||
| * 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 "PreCompiled.h" | ||
| #include "DlgDecimating.h" | ||
| #include "ui_DlgDecimating.h" | ||
|
|
||
| #include <Gui/WaitCursor.h> | ||
| #include <Gui/Command.h> | ||
| #include <Gui/Selection.h> | ||
| #include <Mod/Mesh/App/MeshFeature.h> | ||
|
|
||
| using namespace MeshGui; | ||
|
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| /* TRANSLATOR MeshGui::DlgDecimating */ | ||
|
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| DlgDecimating::DlgDecimating(QWidget* parent, Qt::WindowFlags fl) | ||
| : QWidget(parent, fl) | ||
| , numberOfTriangles(0) | ||
| , ui(new Ui_DlgDecimating) | ||
| { | ||
| ui->setupUi(this); | ||
| ui->spinBoxReduction->setMinimumWidth(60); | ||
| ui->checkAbsolueNumber->setEnabled(false); | ||
| on_checkAbsolueNumber_toggled(false); | ||
| } | ||
|
|
||
| DlgDecimating::~DlgDecimating() | ||
| { | ||
| } | ||
|
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| bool DlgDecimating::isAbsoluteNumber() const | ||
| { | ||
| return ui->checkAbsolueNumber->isChecked(); | ||
| } | ||
|
|
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| int DlgDecimating::targetNumberOfTriangles() const | ||
| { | ||
| if (ui->checkAbsolueNumber->isChecked()) { | ||
| return ui->spinBoxReduction->value(); | ||
| } | ||
| else { | ||
| return numberOfTriangles * (1.0 - reduction()); | ||
| } | ||
| } | ||
|
|
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| void DlgDecimating::setNumberOfTriangles(int num) | ||
| { | ||
| numberOfTriangles = num; | ||
| ui->checkAbsolueNumber->setEnabled(num > 0); | ||
| if (num <= 0) | ||
| ui->checkAbsolueNumber->setChecked(false); | ||
| } | ||
|
|
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| void DlgDecimating::on_checkAbsolueNumber_toggled(bool on) | ||
| { | ||
| ui->sliderReduction->setDisabled(on); | ||
| ui->groupBoxTolerance->setDisabled(on); | ||
|
|
||
| if (on) { | ||
| disconnect(ui->sliderReduction, SIGNAL(valueChanged(int)), ui->spinBoxReduction, SLOT(setValue(int))); | ||
| disconnect(ui->spinBoxReduction, SIGNAL(valueChanged(int)), ui->sliderReduction, SLOT(setValue(int))); | ||
| ui->spinBoxReduction->setRange(1, numberOfTriangles); | ||
| ui->spinBoxReduction->setValue(numberOfTriangles * (1.0 - reduction())); | ||
| ui->spinBoxReduction->setSuffix(QString()); | ||
| ui->checkAbsolueNumber->setText(tr("Absolute number (Maximum: %1)").arg(numberOfTriangles)); | ||
| } | ||
| else { | ||
| ui->spinBoxReduction->setRange(0, 100); | ||
| ui->spinBoxReduction->setValue(ui->sliderReduction->value()); | ||
| ui->spinBoxReduction->setSuffix(QString::fromLatin1("%")); | ||
| ui->checkAbsolueNumber->setText(tr("Absolute number")); | ||
| connect(ui->sliderReduction, SIGNAL(valueChanged(int)), ui->spinBoxReduction, SLOT(setValue(int))); | ||
| connect(ui->spinBoxReduction, SIGNAL(valueChanged(int)), ui->sliderReduction, SLOT(setValue(int))); | ||
| } | ||
| } | ||
|
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| double DlgDecimating::tolerance() const | ||
| { | ||
| return ui->spinBoxTolerance->value(); | ||
| } | ||
|
|
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| /** | ||
| * 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); | ||
| } | ||
|
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| // --------------------------------------- | ||
|
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| /* TRANSLATOR MeshGui::TaskDecimating */ | ||
|
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| TaskDecimating::TaskDecimating() | ||
| { | ||
| widget = new DlgDecimating(); | ||
| Gui::TaskView::TaskBox* taskbox = new Gui::TaskView::TaskBox( | ||
| QPixmap(), widget->windowTitle(), false, 0); | ||
| taskbox->groupLayout()->addWidget(widget); | ||
| Content.push_back(taskbox); | ||
|
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| 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())); | ||
| } | ||
| } | ||
|
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| TaskDecimating::~TaskDecimating() | ||
| { | ||
| // automatically deleted in the sub-class | ||
| } | ||
|
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| bool TaskDecimating::accept() | ||
| { | ||
| std::vector<Mesh::Feature*> meshes = Gui::Selection().getObjectsOfType<Mesh::Feature>(); | ||
| if (meshes.empty()) | ||
| return true; | ||
| Gui::Selection().clearSelection(); | ||
|
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| Gui::WaitCursor wc; | ||
| Gui::Command::openCommand("Mesh Decimating"); | ||
|
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| float tolerance = widget->tolerance(); | ||
| float reduction = widget->reduction(); | ||
| bool absolute = widget->isAbsoluteNumber(); | ||
| int targetSize = 0; | ||
| if (absolute) | ||
| targetSize = widget->targetNumberOfTriangles(); | ||
| for (std::vector<Mesh::Feature*>::const_iterator it = meshes.begin(); it != meshes.end(); ++it) { | ||
| Mesh::Feature* mesh = *it; | ||
| Mesh::MeshObject* mm = mesh->Mesh.startEditing(); | ||
| if (absolute) | ||
| mm->decimate(targetSize); | ||
| else | ||
| mm->decimate(tolerance, reduction); | ||
| mesh->Mesh.finishEditing(); | ||
| } | ||
|
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| Gui::Command::commitCommand(); | ||
| return true; | ||
| } | ||
|
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| #include "moc_DlgDecimating.cpp" |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| /*************************************************************************** | ||
| * 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 * | ||
| * * | ||
| ***************************************************************************/ | ||
|
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|
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| #ifndef MESHGUI_DLGDECIMATING_H | ||
| #define MESHGUI_DLGDECIMATING_H | ||
|
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| #include <QDialog> | ||
| #include <Gui/TaskView/TaskDialog.h> | ||
| #include <Gui/TaskView/TaskView.h> | ||
| #include <memory> | ||
|
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| namespace MeshGui { | ||
| class Ui_DlgDecimating; | ||
| class DlgDecimating : public QWidget | ||
| { | ||
| Q_OBJECT | ||
|
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| public: | ||
| DlgDecimating(QWidget* parent = 0, Qt::WindowFlags fl = 0); | ||
| ~DlgDecimating(); | ||
| void setNumberOfTriangles(int); | ||
| double tolerance() const; | ||
| double reduction() const; | ||
| bool isAbsoluteNumber() const; | ||
| int targetNumberOfTriangles() const; | ||
|
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| private Q_SLOTS: | ||
| void on_checkAbsolueNumber_toggled(bool); | ||
|
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| private: | ||
| int numberOfTriangles; | ||
| std::unique_ptr<Ui_DlgDecimating> ui; | ||
| }; | ||
|
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| /** | ||
| * Embed the panel into a task dialog. | ||
| */ | ||
| class TaskDecimating : public Gui::TaskView::TaskDialog | ||
| { | ||
| Q_OBJECT | ||
|
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| public: | ||
| TaskDecimating(); | ||
| ~TaskDecimating(); | ||
|
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| public: | ||
| bool accept(); | ||
|
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| virtual QDialogButtonBox::StandardButtons getStandardButtons() const | ||
| { return QDialogButtonBox::Ok | QDialogButtonBox::Cancel; } | ||
| virtual bool isAllowedAlterDocument(void) const | ||
| { return true; } | ||
|
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| private: | ||
| DlgDecimating* widget; | ||
| }; | ||
|
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| } | ||
|
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| #endif // MESHGUI_DLGDECIMATING_H |
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