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/* This file is part of the KDE project
Copyright (C) 2008 Thorsten Zachmann <zachmann@kde.org>
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., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "KoPAUtil.h"
#include <QRect>
#include <QSize>
#include <KoPageLayout.h>
#include <KoZoomHandler.h>
void KoPAUtil::setZoom( const KoPageLayout & pageLayout, const QSize & size, KoZoomHandler & zoomHandler )
{
qreal zoom = size.width() / ( zoomHandler.resolutionX() * pageLayout.width );
zoom = qMin( zoom, size.height() / ( zoomHandler.resolutionY() * pageLayout.height ) );
zoomHandler.setZoom( zoom );
}
void KoPAUtil::setSizeAndZoom(const KoPageLayout &pageLayout, QSize &thumbnailSize, KoZoomHandler &zoomHandler)
{
const qreal realWidth = zoomHandler.resolutionX() * pageLayout.width;
const qreal realHeight = zoomHandler.resolutionY() * pageLayout.height;
const qreal widthScale = thumbnailSize.width() / realWidth;
const qreal heightScale = thumbnailSize.height() / realHeight;
// adapt thumbnailSize to match the rendered page
if (widthScale > heightScale) {
const int thumbnailWidth = qMin(thumbnailSize.width(), qRound(realWidth*heightScale));
thumbnailSize.setWidth(thumbnailWidth);
} else {
const int thumbnailHeight = qMin(thumbnailSize.height(), qRound(realHeight*widthScale));
thumbnailSize.setHeight(thumbnailHeight);
}
// set zoom
const qreal zoom = (widthScale > heightScale) ? heightScale : widthScale;
zoomHandler.setZoom(zoom);
}
QRect KoPAUtil::pageRect( const KoPageLayout & pageLayout, const QSize & size, const KoZoomHandler & zoomHandler )
{
int width = int( 0.5 + zoomHandler.documentToViewX( pageLayout.width ) );
int height = int( 0.5 + zoomHandler.documentToViewY( pageLayout.height ) );
int x = int( ( size.width() - width ) / 2.0 );
int y = int( ( size.height() - height ) / 2.0 );
return QRect( x, y, width, height );
}
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