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Viewing changes to source/VISUAL/DIALOGS/SaveImageDialog.C

  • Committer: Package Import Robot
  • Author(s): Filippo Rusconi
  • Date: 2012-11-12 15:58:12 UTC
  • Revision ID: package-import@ubuntu.com-20121112155812-vr15wtg9b50cuesg
Tags: upstream-1.9.0
Import upstream version 1.9.0

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source/VISUAL/DIALOGS/SaveImageDialog.C
 
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// -*- mode: C++; tab-width: 2; -*-
 
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// vi: set ts=2:
 
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//
 
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// --------------------------------------------------------------------------
 
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//                   OpenMS Mass Spectrometry Framework 
 
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// --------------------------------------------------------------------------
 
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//  Copyright (C) 2003-2011 -- Oliver Kohlbacher, Knut Reinert
 
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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 Lesser General Public
 
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//  License as published by the Free Software Foundation; either
 
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//  version 2.1 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 GNU
 
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//  Lesser General Public License for more details.
 
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//
 
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//  You should have received a copy of the GNU Lesser General Public
 
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//  License along with this library; if not, write to the Free Software
 
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//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
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//
 
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// --------------------------------------------------------------------------
 
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// $Maintainer: Timo Sachsenberg $
 
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// $Authors: Marc Sturm $
 
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// --------------------------------------------------------------------------
 
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//
 
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#include <iostream>
 
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#include <cmath>
 
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#include <OpenMS/VISUAL/DIALOGS/SaveImageDialog.h>
 
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#include <OpenMS/MATH/MISC/MathFunctions.h>
 
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// Qt
 
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#include <QtGui/QLayout>
 
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#include <QtGui/QPushButton>  
 
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#include <QtGui/QComboBox>
 
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#include <QtGui/QLabel>
 
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#include <QtGui/QValidator>
 
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#include <QtGui/QGridLayout>
 
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#include <QtGui/QHBoxLayout>
 
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#include <QtGui/QImageWriter>
 
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#include <QtGui/QApplication>
 
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namespace OpenMS
 
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{
 
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        SaveImageDialog::SaveImageDialog( QWidget * parent ):
 
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        QDialog(parent)
 
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        {
 
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                size_ratio_=1;
 
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                //create dialog and layout (grid)
 
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                QGridLayout* grid=new QGridLayout(this);
 
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                //add accept/cancel buttons (and their layout)
 
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                QBoxLayout* box_layout = new QHBoxLayout();
 
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                grid->addLayout(box_layout,5,1);
 
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                QPushButton* button = new QPushButton(this);
 
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                button->setText("Cancel");
 
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                connect(button,SIGNAL(clicked()),this,SLOT(reject()));
 
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                box_layout->addWidget(button);
 
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                button = new QPushButton(this);
 
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                button->setText("Accept");
 
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                button->setDefault(true);
 
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                connect(button,SIGNAL(clicked()),this,SLOT(checkSize()));
 
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                box_layout->addWidget(button);
 
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                //add picture format selector
 
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                QLabel* label = new QLabel("Picture format:",this);
 
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                grid->addWidget(label,0,0);
 
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                format_ = new QComboBox(this);
 
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                QList<QByteArray> list = QImageWriter::supportedImageFormats();
 
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                for (int i = 0; i < list.size(); ++i)
 
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                {
 
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                        format_->insertItem(i,list.at(i));
 
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                }
 
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                grid->addWidget(format_,0,1,Qt::AlignLeft);
 
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                //set format to PNG/JPEG if available
 
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                int png=-1;
 
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                int jpeg=-1;
 
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                for (int i=0;i<format_->count();i++)
 
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                {       
 
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                        if (format_->itemText(i)=="PNG")
 
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                        {
 
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                                png=i;
 
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                        }
 
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                        if (format_->itemText(i)=="JPEG")
 
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                        {
 
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                                jpeg=i;
 
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                        }                       
 
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                }
 
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                if (png!=-1)
 
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                {
 
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                        format_->setCurrentIndex(png);
 
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                }
 
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                else if (jpeg!=-1)
 
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                {
 
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                        format_->setCurrentIndex(jpeg);
 
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                }
 
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                //add size boxes and label (and their layout)
 
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                label = new QLabel("Size (WxH):",this);
 
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                grid->addWidget(label,1,0);
 
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                QValidator* v = new QIntValidator(1,10000,this);
 
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                box_layout = new QHBoxLayout();
 
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                grid->addLayout(box_layout,1,1);
 
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                size_x_ = new QLineEdit(this);
 
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                size_x_->setValidator(v);
 
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                connect(size_x_,SIGNAL(textChanged(const QString&)),this,SLOT(xSizeChanged(const QString&)));
 
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                box_layout->addWidget(size_x_);
 
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                label = new QLabel("x",this);
 
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                box_layout->addWidget(label);
 
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                size_y_ = new QLineEdit(this);
 
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                size_y_->setValidator(v);
 
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                connect(size_y_,SIGNAL(textChanged(const QString&)),this,SLOT(ySizeChanged(const QString&)));
 
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                box_layout->addWidget(size_y_);
 
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                label = new QLabel("pixel",this);
 
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                box_layout->addWidget(label);           
 
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                size_proportions_ = new QCheckBox("keep proportions",this);
 
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                size_proportions_->setChecked(true);
 
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                connect(size_proportions_,SIGNAL(toggled(bool)),this,SLOT(proportionsActivated(bool)));
 
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                grid->addWidget(size_proportions_,2,1);
 
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        }
 
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        void SaveImageDialog::setSize(int x, int y)
 
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        {
 
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                QString* temp =new QString();
 
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                temp->setNum(x);
 
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                size_x_->setText(*temp);
 
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                temp->setNum(y);
 
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                size_y_->setText(*temp);
 
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                setSizeRatio_(float(x)/float(y));
 
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        }
 
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        void SaveImageDialog::setSizeRatio_(float r)
 
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        {
 
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                if (r==0.0)
 
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                {
 
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                        size_ratio_=1.0;
 
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                }
 
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                else
 
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                {
 
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                        size_ratio_=r;
 
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                }
 
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        }       
 
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        void SaveImageDialog::xSizeChanged(const QString& s)
 
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        {
 
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                if(size_proportions_->isChecked() && size_x_==qApp->focusWidget())
 
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                {
 
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                        QString* temp = new QString();
 
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                        temp->setNum((int)Math::round(s.toInt()/size_ratio_));
 
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                        size_y_->setText(*temp);
 
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                }
 
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        }       
 
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        void SaveImageDialog::ySizeChanged(const QString& s)
 
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        {
 
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                if(size_proportions_->isChecked() && size_y_==qApp->focusWidget())
 
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                {
 
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                        QString* temp = new QString();
 
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                        temp->setNum((int)Math::round(s.toInt()*size_ratio_));
 
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                        size_x_->setText(*temp);
 
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                }
 
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        }       
 
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        void SaveImageDialog::proportionsActivated(bool state)
 
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        {
 
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                if (state==true){
 
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                        setSizeRatio_(QString(size_x_->text()).toFloat()/QString(size_y_->text()).toFloat());
 
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                        }
 
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        }       
 
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        void SaveImageDialog::checkSize()
 
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        {
 
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                int x =size_x_->text().toInt();
 
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                int y =size_y_->text().toInt();
 
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                if (x>0 && y>0){
 
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                        accept();
 
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                        }
 
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        }
 
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        int SaveImageDialog::getXSize()
 
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        {
 
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                return size_x_->text().toInt();
 
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        }
 
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        int SaveImageDialog::getYSize()
 
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        {
 
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                return size_y_->text().toInt();
 
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        }
 
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        QString SaveImageDialog::getFormat()
 
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        {
 
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                return format_->currentText();
 
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        }
 
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} //namespace
 
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