kde-extraapps/okular/generators/kimgio/tests/kimgiotest.cpp

101 lines
3.9 KiB
C++

/***************************************************************************
* Copyright (C) 2013 by Fabio D'Urso <fabiodurso@hotmail.it> *
* *
* 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 <qtest_kde.h>
#include "../generator_kimgio.h"
#include "../../settings_core.h"
#include <core/observer.h>
#include <core/page.h>
#include <ui/pagepainter.h>
#include <KTempDir>
#include <QImage>
#include <QPainter>
#include <QTemporaryFile>
class KIMGIOTest
: public QObject
{
Q_OBJECT
private slots:
void testExifOrientation_data();
void testExifOrientation();
};
// The following images have different Exif orientation tags, but they all
// are a 3x2 rectangle whose top-left pixel is black, and whose other pixels are
// white. Note that, due to JPEG lossy compression, some pixels are not pure
// white. In testExifOrientation, we only check the top-left and bottom-right
// corners.
void KIMGIOTest::testExifOrientation_data()
{
QTest::addColumn<QString>( "imgPath" );
// No Exif metadata at all
QTest::newRow( "No Exif metadata" ) << KDESRCDIR "tests/data/testExifOrientation-noexif.jpg";
// No Exif orientation information
QTest::newRow( "Unspecified" ) << KDESRCDIR "tests/data/testExifOrientation-unspecified.jpg";
// Valid Orientation values
QTest::newRow( "Horizontal (normal)" ) << KDESRCDIR "tests/data/testExifOrientation-0.jpg";
QTest::newRow( "Mirror horizontal" ) << KDESRCDIR "tests/data/testExifOrientation-0mirror.jpg";
QTest::newRow( "Rotate 90 CW" ) << KDESRCDIR "tests/data/testExifOrientation-90.jpg";
QTest::newRow( "Mirror horizontal and rotate 90 CW" ) << KDESRCDIR "tests/data/testExifOrientation-90mirror.jpg";
QTest::newRow( "Rotate 180" ) << KDESRCDIR "tests/data/testExifOrientation-180.jpg";
QTest::newRow( "Mirror vertical" ) << KDESRCDIR "tests/data/testExifOrientation-180mirror.jpg";
QTest::newRow( "Rotate 270 CW" ) << KDESRCDIR "tests/data/testExifOrientation-270.jpg";
QTest::newRow( "Mirror horizontal and rotate 270 CW" ) << KDESRCDIR "tests/data/testExifOrientation-270mirror.jpg";
}
void KIMGIOTest::testExifOrientation()
{
QFETCH( QString, imgPath );
Okular::SettingsCore::instance( "kimgiotest" );
Okular::Document *m_document = new Okular::Document( 0 );
const KMimeType::Ptr mime = KMimeType::findByPath( imgPath );
Okular::DocumentObserver *dummyDocumentObserver = new Okular::DocumentObserver();
m_document->addObserver( dummyDocumentObserver );
// Load image
m_document->openDocument( imgPath, KUrl(), mime );
m_document->setRotation( 0 ); // Test the default rotation
QCOMPARE( m_document->pages(), 1u );
// Check size
QCOMPARE( m_document->page(0)->width(), double(3) );
QCOMPARE( m_document->page(0)->height(), double(2) );
// Generate pixmap
Okular::PixmapRequest *req = new Okular::PixmapRequest( dummyDocumentObserver, 0, 3, 2,
1, Okular::PixmapRequest::NoFeature );
m_document->requestPixmaps( QLinkedList<Okular::PixmapRequest*>() << req );
QVERIFY( m_document->page(0)->hasPixmap( dummyDocumentObserver, 3, 2 ) );
// Obtain image
QImage img( 3, 2, QImage::Format_ARGB32_Premultiplied );
QPainter p( &img );
PagePainter::paintPageOnPainter( &p, m_document->page(0), dummyDocumentObserver, 0, 3, 2, QRect(0, 0, 3, 2) );
// Verify pixel data
QCOMPARE( img.pixel(0, 0), qRgb(0, 0, 0) );
QCOMPARE( img.pixel(2, 1), qRgb(255, 255, 255) );
m_document->removeObserver( dummyDocumentObserver );
delete dummyDocumentObserver;
delete m_document;
}
QTEST_KDEMAIN( KIMGIOTest, GUI )
#include "kimgiotest.moc"