FreeCAD

DlgSettingsImageImp.cpp
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/***************************************************************************
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 *   Copyright (c) 2005 Werner Mayer <wmayer[at]users.sourceforge.net>     *
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 *                                                                         *
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 *   This file is part of the FreeCAD CAx development system.              *
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 *                                                                         *
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 *   This library is free software; you can redistribute it and/or         *
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 *   modify it under the terms of the GNU Library General Public           *
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 *   License as published by the Free Software Foundation; either          *
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 *   version 2 of the License, or (at your option) any later version.      *
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 *                                                                         *
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 *   This library  is distributed in the hope that it will be useful,      *
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 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
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 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
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 *   GNU Library General Public License for more details.                  *
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 *                                                                         *
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 *   You should have received a copy of the GNU Library General Public     *
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 *   License along with this library; see the file COPYING.LIB. If not,    *
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 *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
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 *   Suite 330, Boston, MA  02111-1307, USA                                *
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 *                                                                         *
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 ***************************************************************************/
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#include "PreCompiled.h"
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#ifndef _PreComp_
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# include <QRegularExpression>
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# include <QRegularExpressionMatch>
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#endif
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#include "DlgSettingsImageImp.h"
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#include "ui_DlgSettingsImage.h"
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using namespace Gui::Dialog;
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using namespace std;
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/* TRANSLATOR Gui::Dialog::DlgSettingsImageImp */
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/**
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 *  Constructs a DlgSettingsImageImp as a child of 'parent', with the
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 *  name 'name' and widget flags set to 'f'.
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 */
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DlgSettingsImageImp::DlgSettingsImageImp( QWidget* parent )
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  : QWidget( parent )
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  , ui(new Ui_DlgSettingsImage)
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{
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    ui->setupUi(this);
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    setupConnections();
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    SbVec2s res = SoOffscreenRenderer::getMaximumResolution();
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    ui->spinWidth->setMaximum((int)res[0]);
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    ui->spinHeight->setMaximum((int)res[1]);
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    _width = width();
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    _height = height();
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    _fRatio = (float)_width/(float)_height;
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    ui->comboMethod->addItem(tr("Offscreen (New)"), QByteArray("QtOffscreenRenderer"));
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    ui->comboMethod->addItem(tr("Offscreen (Old)"), QByteArray("CoinOffscreenRenderer"));
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    ui->comboMethod->addItem(tr("Framebuffer (custom)"), QByteArray("FramebufferObject"));
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    ui->comboMethod->addItem(tr("Framebuffer (as is)"), QByteArray("GrabFramebuffer"));
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}
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/**
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 *  Destroys the object and frees any allocated resources
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 */
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DlgSettingsImageImp::~DlgSettingsImageImp() = default;
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void DlgSettingsImageImp::setupConnections()
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{
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    connect(ui->buttonRatioScreen, &QToolButton::clicked,
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            this, &DlgSettingsImageImp::onButtonRatioScreenClicked);
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    connect(ui->buttonRatio4x3, &QToolButton::clicked,
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            this, &DlgSettingsImageImp::onButtonRatio4x3Clicked);
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    connect(ui->buttonRatio16x9, &QToolButton::clicked,
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            this, &DlgSettingsImageImp::onButtonRatio16x9Clicked);
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    connect(ui->buttonRatio1x1, &QToolButton::clicked,
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            this, &DlgSettingsImageImp::onButtonRatio1x1Clicked);
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    connect(ui->standardSizeBox, qOverload<int>(&QComboBox::activated),
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            this, &DlgSettingsImageImp::onStandardSizeBoxActivated);
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    connect(ui->comboMethod, qOverload<int>(&QComboBox::activated),
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            this, &DlgSettingsImageImp::onComboMethodActivated);
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}
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void DlgSettingsImageImp::changeEvent(QEvent *e)
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{
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    if (e->type() == QEvent::LanguageChange) {
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        ui->retranslateUi(this);
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    }
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    QWidget::changeEvent(e);
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}
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/**
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 * Sets the image size to (\a w, \a h).
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 */
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void DlgSettingsImageImp::setImageSize(int w, int h)
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{
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    // set current screen size
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    ui->standardSizeBox->setItemData(0, QSize(w,h));
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    ui->spinWidth->setValue(w);
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    ui->spinHeight->setValue(h);
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    // As the image size is in pixel why shouldn't _width and _height be integers?
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    _width  = w;
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    _height = h;
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    _fRatio = (float)_width/(float)_height;
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}
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/**
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 * Sets the image size to \a s.
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 */
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void DlgSettingsImageImp::setImageSize( const QSize& s )
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{
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    // set current screen size
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    ui->standardSizeBox->setItemData(0, s);
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    ui->spinWidth->setValue( s.width() );
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    ui->spinHeight->setValue( s.height() );
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    // As the image size is in pixel why shouldn't _width and _height be integers?
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    _width  = s.width();
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    _height = s.height();
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    _fRatio = (float)_width/(float)_height;
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}
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/**
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 * Returns the currently set image size.
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 */
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QSize DlgSettingsImageImp::imageSize() const
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{
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    return { ui->spinWidth->value(), ui->spinHeight->value() };
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}
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/**
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 * Returns the currently set image width.
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 */
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int DlgSettingsImageImp::imageWidth() const
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{
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    return ui->spinWidth->value();
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}
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/**
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 * Returns the currently set image height.
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 */
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int DlgSettingsImageImp::imageHeight() const
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{
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    return ui->spinHeight->value();
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}
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/**
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 * Returns the comment of the picture. If for the currently selected image format no comments are supported
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 * QString() is returned.
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 */
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QString DlgSettingsImageImp::comment() const
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{
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    if ( !ui->textEditComment->isEnabled() )
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        return {};
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    else
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        return ui->textEditComment->toPlainText();
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}
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int DlgSettingsImageImp::backgroundType() const
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{
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    return ui->comboBackground->currentIndex();
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}
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/**
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 * Sets the image size to (\a w, \a h).
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 */
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void DlgSettingsImageImp::setBackgroundType(int t)
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{
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    if ( t < ui->comboBackground->count() )
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        ui->comboBackground->setCurrentIndex(t);
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}
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bool DlgSettingsImageImp::addWatermark() const
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{
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    return ui->checkWatermark->isChecked();
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}
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void DlgSettingsImageImp::onSelectedFilter(const QString& filter)
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{
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    bool ok = (filter.startsWith(QLatin1String("JPG")) ||
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               filter.startsWith(QLatin1String("JPEG")) ||
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               filter.startsWith(QLatin1String("PNG")));
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    ui->buttonGroupComment->setEnabled( ok );
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}
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void DlgSettingsImageImp::adjustImageSize(float fRatio)
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{
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    // if width has changed then adjust height and vice versa, if both has changed then adjust width
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    if (_height != ui->spinHeight->value())
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    {
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        _height = ui->spinHeight->value();
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        _width = (int)((float)_height*fRatio);
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        ui->spinWidth->setValue( (int)_width );
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    }
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    else // if( _width != spinWidth->value() )
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    {
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        _width = ui->spinWidth->value();
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        _height = (int)((float)_width/fRatio);
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        ui->spinHeight->setValue( (int)_height );
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    }
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}
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void DlgSettingsImageImp::onButtonRatioScreenClicked()
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{
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    adjustImageSize(_fRatio);
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}
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void DlgSettingsImageImp::onButtonRatio4x3Clicked()
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{
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    adjustImageSize(4.0f/3.0f);
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}
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void DlgSettingsImageImp::onButtonRatio16x9Clicked()
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{
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    adjustImageSize(16.0f/9.0f);
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}
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void DlgSettingsImageImp::onButtonRatio1x1Clicked()
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{
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    adjustImageSize(1.0f);
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}
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void DlgSettingsImageImp::onStandardSizeBoxActivated(int index)
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{
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    if (index == 0) {
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        // we have set the user data for the 1st item
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        QSize s = ui->standardSizeBox->itemData(0).toSize();
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        ui->spinWidth->setValue(s.width());
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        ui->spinHeight->setValue(s.height());
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    }
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    else {
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        // try to extract from the string
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        QString text = ui->standardSizeBox->itemText(index);
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        QRegularExpression rx(QLatin1String(R"(\b\d{2,5}\b)"));
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        int pos = 0;
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        auto match = rx.match(text, pos);
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        if (match.hasMatch()) {
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            pos = match.capturedStart();
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            QString width = text.mid(pos, match.capturedLength());
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            ui->spinWidth->setValue(width.toInt());
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            pos += match.capturedLength();
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        }
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        match = rx.match(text, pos);
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        if (match.hasMatch()) {
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            pos = match.capturedStart();
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            QString height = text.mid(pos, match.capturedLength());
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            ui->spinHeight->setValue(height.toInt());
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        }
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    }
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}
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void DlgSettingsImageImp::setMethod(const QByteArray& m)
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{
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    int index = ui->comboMethod->findData(m);
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    if (index >= 0)
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        ui->comboMethod->setCurrentIndex(index);
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}
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QByteArray DlgSettingsImageImp::method() const
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{
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    return ui->comboMethod->currentData().toByteArray();
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}
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void DlgSettingsImageImp::onComboMethodActivated(int index)
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{
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    QByteArray data = ui->comboMethod->itemData(index).toByteArray();
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    if (data == QByteArray("GrabFramebuffer")) {
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        ui->comboBackground->setEnabled(false);
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    }
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    else {
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        ui->comboBackground->setEnabled(true);
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    }
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}
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#include "moc_DlgSettingsImageImp.cpp"
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