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95 lines
2.3 KiB
C++
95 lines
2.3 KiB
C++
/*
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program 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 General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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---
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Copyright (C) 2011, Dmitry Chernov diman4ik.chernov@gmail.com
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*/
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#include "picture_widget.h"
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#include "image_loader.h"
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#include <QLabel>
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#include <QBoxLayout>
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PictureWidget::PictureWidget( QWidget* parent ) : QWidget(parent)
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{
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setBackgroundRole( QPalette::Dark );
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setAutoFillBackground(true);
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m_imageLabel = new QLabel(this);
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m_imageLabel->setBackgroundRole( QPalette::Dark );
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m_imageLabel->setAlignment( Qt::AlignCenter );
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QBoxLayout *mainLay = new QHBoxLayout( this );
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mainLay->setMargin( 0 );
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mainLay->addWidget( m_imageLabel );
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ImageLoaderThread* ilt = new ImageLoaderThread( this );
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}
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void PictureWidget::setImage( const QString& fileName )
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{
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//m_pixmap = QPixmap::fromImage( QImage(fileName) );
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//showImage();
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emit( load( fileName ) );
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}
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void PictureWidget::imageLoaded( QImage im )
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{
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if( !im.isNull() )
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{
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m_pixmap = QPixmap::fromImage( im );
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showImage();
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emit( changed() );
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}
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else
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{
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clear();
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emit( cantChange() );
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}
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}
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void PictureWidget::showImage()
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{
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int im_w = m_pixmap.width();
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int im_h = m_pixmap.height();
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QRect rect;
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int w_width = width();
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int w_height = height();
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if( ( im_w > w_width ) || ( im_h > w_height ) )
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{
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QPixmap pixmap_scalled = m_pixmap.scaled( w_width, w_height, Qt::KeepAspectRatio );
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m_imageLabel->setPixmap( pixmap_scalled );
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}
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else
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{
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m_imageLabel->setPixmap( m_pixmap );
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}
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}
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void PictureWidget::resizeEvent( QResizeEvent * )
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{
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showImage();
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}
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void PictureWidget::clear()
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{
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m_imageLabel->clear();
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}
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