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/*
* Copyright (c) 2007 Boudewijn Rempt <boud@valdyas.org>
*
* 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.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "zoomhandler_test.h"
#include <QTest>
#include <QCoreApplication>
#include <kdebug.h>
#include "KoZoomHandler.h"
#include "KoDpi.h"
#include "KoUnit.h"
// Same as qfuzzycompare, but less precise because KoZoomHandler is a
// bit messy itself.
static inline bool fuzzyCompare(qreal p1, qreal p2)
{
return qAbs(p1 - p2) < 0.0000001;
}
void zoomhandler_test::testConstruction()
{
KoZoomHandler * zoomHandler = new KoZoomHandler();
QCOMPARE( zoomHandler->zoomFactorX(), 1. );
QCOMPARE( zoomHandler->zoomFactorY(), 1. );
QCOMPARE( ( int )INCH_TO_POINT( zoomHandler->resolutionX() ), ( int )KoDpi::dpiX() );
QCOMPARE( ( int )INCH_TO_POINT( zoomHandler->resolutionY() ), ( int )KoDpi::dpiY() );
QCOMPARE( ( int )INCH_TO_POINT( zoomHandler->zoomedResolutionX() ), ( int )KoDpi::dpiX() );
QCOMPARE( ( int )INCH_TO_POINT( zoomHandler->zoomedResolutionY() ), ( int )KoDpi::dpiY() );
QCOMPARE( zoomHandler->zoomMode(), KoZoomMode::ZOOM_CONSTANT );
QCOMPARE( zoomHandler->zoomInPercent(), 100 );
delete zoomHandler;
}
void zoomhandler_test::testApi()
{
KoZoomHandler zoomHandler;
qreal x, y;
zoomHandler.setResolution( 128, 129 );
QCOMPARE( zoomHandler.resolutionX(), 128. );
QCOMPARE( zoomHandler.resolutionY(), 129. );
zoomHandler.setZoomedResolution( 50, 60 );
QCOMPARE( zoomHandler.zoomedResolutionX(), 50.);
QCOMPARE( zoomHandler.zoomedResolutionY(), 60.);
zoomHandler.setZoom( 0.2 ); // is 20%
QCOMPARE( zoomHandler.zoomInPercent(), 20);
QCOMPARE( zoomHandler.resolutionX(), 128. );
QCOMPARE( zoomHandler.resolutionY(), 129. );
QCOMPARE( zoomHandler.zoomedResolutionX(), 25.6 );
QCOMPARE( zoomHandler.zoomedResolutionY(), 25.8 );
zoomHandler.zoom( &x, &y );
QVERIFY( x == 25.6 && y == 25.8 );
zoomHandler.setZoom( 1. );
zoomHandler.setZoom( 0.2 );
QCOMPARE( zoomHandler.zoomInPercent(), 20 );
QCOMPARE( zoomHandler.resolutionX(), 128. );
QCOMPARE( zoomHandler.resolutionY(), 129. );
QCOMPARE( zoomHandler.zoomedResolutionX(), 25.6 );
QCOMPARE( zoomHandler.zoomedResolutionY(), 25.8 );
zoomHandler.zoom( &x, &y );
QVERIFY( x == 25.6 && y == 25.8 );
zoomHandler.setZoomMode( KoZoomMode::ZOOM_CONSTANT );
QCOMPARE( zoomHandler.zoomMode(), KoZoomMode::ZOOM_CONSTANT );
zoomHandler.setZoomMode( KoZoomMode::ZOOM_WIDTH );
QCOMPARE( zoomHandler.zoomMode(), KoZoomMode::ZOOM_WIDTH );
zoomHandler.setZoomMode( KoZoomMode::ZOOM_PAGE );
QCOMPARE( zoomHandler.zoomMode(), KoZoomMode::ZOOM_PAGE );
}
void zoomhandler_test::testViewToDocument()
{
KoZoomHandler zoomHandler;
zoomHandler.setZoom( 1.0 );
zoomHandler.setDpi( 100, 100 );
QCOMPARE( zoomHandler.viewToDocument( QPointF( 0, 0 ) ), QPointF( 0, 0 ) );
// 100 view pixels are 72 postscript points at 100% zoom, 100ppi.
QCOMPARE( zoomHandler.viewToDocument( QRectF( 0, 0, 100, 100 ) ), QRectF( 0, 0, 72, 72 ) );
QCOMPARE( zoomHandler.viewToDocumentX( 0 ), 0. );
QCOMPARE( zoomHandler.viewToDocumentY( 0 ), 0. );
}
void zoomhandler_test::testDocumentToView()
{
KoZoomHandler zoomHandler;
zoomHandler.setZoom( 1.0 );
zoomHandler.setDpi( 100, 100 );
QCOMPARE( zoomHandler.documentToView( QPointF( 0,0 ) ), QPointF( 0, 0 ) );
QCOMPARE( zoomHandler.documentToView( QRectF( 0, 0, 72, 72 ) ), QRectF( 0, 0, 100, 100) );
QCOMPARE( zoomHandler.documentToViewX( 72 ), 100. );
QCOMPARE( zoomHandler.documentToViewY( 72 ), 100. );
}
QTEST_APPLESS_MAIN(zoomhandler_test)
#include <zoomhandler_test.moc>
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