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/***************************************************************************
* *
* DrawPad - a drawing program for Opie Environment *
* *
* (C) 2002 by S. Prud'homme <prudhomme@laposte.net> *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "importdialog.h"
#include <qpe/applnk.h>
#include <qpe/fileselector.h>
#include <qcheckbox.h>
#include <qimage.h>
#include <qlabel.h>
#include <qlayout.h>
#include <qpushbutton.h>
ImportDialog::ImportDialog(QWidget* parent, const char* name)
: QDialog(parent, name, true)
{
setCaption(tr("DrawPad - Import"));
m_pFileSelector = new FileSelector("image/*", this, "fileselector");
connect(m_pFileSelector, SIGNAL(fileSelected(const DocLnk&)), this, SLOT(fileChanged()));
m_pFileSelector->setNewVisible(false);
m_pFileSelector->setCloseVisible(false);
m_pPreviewLabel = new QLabel(this);
m_pPreviewLabel->setFrameStyle(QFrame::Panel | QFrame::Sunken);
m_pPreviewLabel->setAlignment(Qt::AlignHCenter | Qt::AlignVCenter);
m_pPreviewLabel->setFixedSize(114, 114);
m_pPreviewLabel->setBackgroundMode(QWidget::PaletteMid);
m_pAutomaticPreviewCheckBox = new QCheckBox(tr("Automatic preview"), this);
m_pAutomaticPreviewCheckBox->setChecked(true);
QPushButton* previewPushButton = new QPushButton(tr("Preview"), this);
connect(previewPushButton, SIGNAL(clicked()), this, SLOT(preview()));
QVBoxLayout* mainLayout = new QVBoxLayout(this, 4, 4);
QHBoxLayout* previewLayout = new QHBoxLayout(4);
QVBoxLayout* previewSecondLayout = new QVBoxLayout(4);
previewSecondLayout->addWidget(m_pAutomaticPreviewCheckBox);
previewSecondLayout->addWidget(previewPushButton);
previewSecondLayout->addStretch();
previewLayout->addWidget(m_pPreviewLabel);
previewLayout->addLayout(previewSecondLayout);
mainLayout->addWidget(m_pFileSelector);
mainLayout->addLayout(previewLayout);
preview();
}
ImportDialog::~ImportDialog()
{
}
const DocLnk* ImportDialog::selected()
{
// FIXME change from pointer to reference -zecke
DocLnk *lnk = new DocLnk( m_pFileSelector->selectedDocument() );
return lnk;
}
void ImportDialog::fileChanged()
{
if (m_pAutomaticPreviewCheckBox->isChecked()) {
preview();
}
}
void ImportDialog::preview()
{
const DocLnk* docLnk = selected();
if (docLnk) {
QImage image(docLnk->file());
int previewWidth = m_pPreviewLabel->contentsRect().width();
int previewHeight = m_pPreviewLabel->contentsRect().height();
float widthScale = 1.0;
float heightScale = 1.0;
if (previewWidth < image.width()) {
widthScale = (float)previewWidth / float(image.width());
}
if (previewHeight < image.height()) {
heightScale = (float)previewHeight / float(image.height());
}
float scale = (widthScale < heightScale ? widthScale : heightScale);
QImage previewImage = image.smoothScale((int)(image.width() * scale) , (int)(image.height() * scale));
QPixmap previewPixmap;
previewPixmap.convertFromImage(previewImage);
m_pPreviewLabel->setPixmap(previewPixmap);
delete docLnk;
}
}
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