Mercurial > hg > svcore
view data/model/test/TestZoomConstraints.h @ 1530:bf32b26d1dad zoom
Fix (bodgily) things broken in the merge
author | Chris Cannam |
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date | Tue, 18 Sep 2018 16:03:29 +0100 |
parents | a7485c1bdba5 |
children | 2f3a77472c8c |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. 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. See the file COPYING included with this distribution for more information. */ #ifndef TEST_ZOOM_CONSTRAINTS_H #define TEST_ZOOM_CONSTRAINTS_H #include "../PowerOfTwoZoomConstraint.h" #include "../PowerOfSqrtTwoZoomConstraint.h" #include <QObject> #include <QtTest> #include <QDir> #include <iostream> using namespace std; class TestZoomConstraints : public QObject { Q_OBJECT private slots: void unconstrainedNearest() { // well, this shows how horrible this api is ZoomConstraint c; QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 1)), ZoomLevel(ZoomLevel::FramesPerPixel, 1)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 2)), ZoomLevel(ZoomLevel::FramesPerPixel, 2)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 3)), ZoomLevel(ZoomLevel::FramesPerPixel, 3)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 4)), ZoomLevel(ZoomLevel::FramesPerPixel, 4)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 20)), ZoomLevel(ZoomLevel::FramesPerPixel, 20)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 23)), ZoomLevel(ZoomLevel::FramesPerPixel, 23)); auto max = c.getMaxZoomLevel(); QCOMPARE(c.getNearestZoomLevel(max), max); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, max.level + 1)), max); } void unconstrainedUp() { ZoomConstraint c; QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 1), ZoomConstraint::RoundUp), ZoomLevel(ZoomLevel::FramesPerPixel, 1)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 2), ZoomConstraint::RoundUp), ZoomLevel(ZoomLevel::FramesPerPixel, 2)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 3), ZoomConstraint::RoundUp), ZoomLevel(ZoomLevel::FramesPerPixel, 3)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 4), ZoomConstraint::RoundUp), ZoomLevel(ZoomLevel::FramesPerPixel, 4)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 20), ZoomConstraint::RoundUp), ZoomLevel(ZoomLevel::FramesPerPixel, 20)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 32), ZoomConstraint::RoundUp), ZoomLevel(ZoomLevel::FramesPerPixel, 32)); auto max = c.getMaxZoomLevel(); QCOMPARE(c.getNearestZoomLevel(max, ZoomConstraint::RoundUp), max); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, max.level + 1), ZoomConstraint::RoundUp), max); } void unconstrainedDown() { ZoomConstraint c; QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 1), ZoomConstraint::RoundDown), ZoomLevel(ZoomLevel::FramesPerPixel, 1)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 2), ZoomConstraint::RoundDown), ZoomLevel(ZoomLevel::FramesPerPixel, 2)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 3), ZoomConstraint::RoundDown), ZoomLevel(ZoomLevel::FramesPerPixel, 3)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 4), ZoomConstraint::RoundDown), ZoomLevel(ZoomLevel::FramesPerPixel, 4)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 20), ZoomConstraint::RoundDown), ZoomLevel(ZoomLevel::FramesPerPixel, 20)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 32), ZoomConstraint::RoundDown), ZoomLevel(ZoomLevel::FramesPerPixel, 32)); auto max = c.getMaxZoomLevel(); QCOMPARE(c.getNearestZoomLevel(max, ZoomConstraint::RoundDown), max); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, max.level + 1), ZoomConstraint::RoundDown), max); } void powerOfTwoNearest() { PowerOfTwoZoomConstraint c; QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 1)), ZoomLevel(ZoomLevel::FramesPerPixel, 1)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 2)), ZoomLevel(ZoomLevel::FramesPerPixel, 2)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 3)), ZoomLevel(ZoomLevel::FramesPerPixel, 2)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 4)), ZoomLevel(ZoomLevel::FramesPerPixel, 4)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 20)), ZoomLevel(ZoomLevel::FramesPerPixel, 16)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 23)), ZoomLevel(ZoomLevel::FramesPerPixel, 16)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 24)), ZoomLevel(ZoomLevel::FramesPerPixel, 16)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 25)), ZoomLevel(ZoomLevel::FramesPerPixel, 32)); auto max = c.getMaxZoomLevel(); QCOMPARE(c.getNearestZoomLevel(max), max); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, max.level + 1)), max); } void powerOfTwoUp() { PowerOfTwoZoomConstraint c; QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 1), ZoomConstraint::RoundUp), ZoomLevel(ZoomLevel::FramesPerPixel, 1)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 2), ZoomConstraint::RoundUp), ZoomLevel(ZoomLevel::FramesPerPixel, 2)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 3), ZoomConstraint::RoundUp), ZoomLevel(ZoomLevel::FramesPerPixel, 4)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 4), ZoomConstraint::RoundUp), ZoomLevel(ZoomLevel::FramesPerPixel, 4)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 20), ZoomConstraint::RoundUp), ZoomLevel(ZoomLevel::FramesPerPixel, 32)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 32), ZoomConstraint::RoundUp), ZoomLevel(ZoomLevel::FramesPerPixel, 32)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 33), ZoomConstraint::RoundUp), ZoomLevel(ZoomLevel::FramesPerPixel, 64)); auto max = c.getMaxZoomLevel(); QCOMPARE(c.getNearestZoomLevel(max, ZoomConstraint::RoundUp), max); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, max.level + 1), ZoomConstraint::RoundUp), max); } void powerOfTwoDown() { PowerOfTwoZoomConstraint c; QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 1), ZoomConstraint::RoundDown), ZoomLevel(ZoomLevel::FramesPerPixel, 1)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 2), ZoomConstraint::RoundDown), ZoomLevel(ZoomLevel::FramesPerPixel, 2)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 3), ZoomConstraint::RoundDown), ZoomLevel(ZoomLevel::FramesPerPixel, 2)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 4), ZoomConstraint::RoundDown), ZoomLevel(ZoomLevel::FramesPerPixel, 4)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 20), ZoomConstraint::RoundDown), ZoomLevel(ZoomLevel::FramesPerPixel, 16)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 32), ZoomConstraint::RoundDown), ZoomLevel(ZoomLevel::FramesPerPixel, 32)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 33), ZoomConstraint::RoundDown), ZoomLevel(ZoomLevel::FramesPerPixel, 32)); auto max = c.getMaxZoomLevel(); QCOMPARE(c.getNearestZoomLevel(max, ZoomConstraint::RoundDown), max); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, max.level + 1), ZoomConstraint::RoundDown), max); } void powerOfSqrtTwoNearest() { PowerOfSqrtTwoZoomConstraint c; QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 1)), ZoomLevel(ZoomLevel::FramesPerPixel, 1)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 2)), ZoomLevel(ZoomLevel::FramesPerPixel, 2)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 3)), ZoomLevel(ZoomLevel::FramesPerPixel, 2)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 4)), ZoomLevel(ZoomLevel::FramesPerPixel, 4)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 18)), ZoomLevel(ZoomLevel::FramesPerPixel, 16)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 19)), ZoomLevel(ZoomLevel::FramesPerPixel, 16)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 20)), ZoomLevel(ZoomLevel::FramesPerPixel, 22)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 23)), ZoomLevel(ZoomLevel::FramesPerPixel, 22)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 28)), ZoomLevel(ZoomLevel::FramesPerPixel, 32)); // PowerOfSqrtTwoZoomConstraint makes an effort to ensure // bigger numbers get rounded to a multiple of something // simple (64 or 90 depending on whether they are power-of-two // or power-of-sqrt-two types) QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 800)), ZoomLevel(ZoomLevel::FramesPerPixel, 720)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 1023)), ZoomLevel(ZoomLevel::FramesPerPixel, 1024)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 1024)), ZoomLevel(ZoomLevel::FramesPerPixel, 1024)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 1025)), ZoomLevel(ZoomLevel::FramesPerPixel, 1024)); auto max = c.getMaxZoomLevel(); QCOMPARE(c.getNearestZoomLevel(max), max); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, max.level + 1)), max); } void powerOfSqrtTwoUp() { PowerOfSqrtTwoZoomConstraint c; QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 1), ZoomConstraint::RoundUp), ZoomLevel(ZoomLevel::FramesPerPixel, 1)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 2), ZoomConstraint::RoundUp), ZoomLevel(ZoomLevel::FramesPerPixel, 2)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 3), ZoomConstraint::RoundUp), ZoomLevel(ZoomLevel::FramesPerPixel, 4)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 4), ZoomConstraint::RoundUp), ZoomLevel(ZoomLevel::FramesPerPixel, 4)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 18), ZoomConstraint::RoundUp), ZoomLevel(ZoomLevel::FramesPerPixel, 22)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 22), ZoomConstraint::RoundUp), ZoomLevel(ZoomLevel::FramesPerPixel, 22)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 23), ZoomConstraint::RoundUp), ZoomLevel(ZoomLevel::FramesPerPixel, 32)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 800), ZoomConstraint::RoundUp), ZoomLevel(ZoomLevel::FramesPerPixel, 1024)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 1023), ZoomConstraint::RoundUp), ZoomLevel(ZoomLevel::FramesPerPixel, 1024)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 1024), ZoomConstraint::RoundUp), ZoomLevel(ZoomLevel::FramesPerPixel, 1024)); // see comment above QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 1025), ZoomConstraint::RoundUp), ZoomLevel(ZoomLevel::FramesPerPixel, 1440)); auto max = c.getMaxZoomLevel(); QCOMPARE(c.getNearestZoomLevel(max, ZoomConstraint::RoundUp), max); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, max.level + 1), ZoomConstraint::RoundUp), max); } void powerOfSqrtTwoDown() { PowerOfSqrtTwoZoomConstraint c; QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 1), ZoomConstraint::RoundDown), ZoomLevel(ZoomLevel::FramesPerPixel, 1)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 2), ZoomConstraint::RoundDown), ZoomLevel(ZoomLevel::FramesPerPixel, 2)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 3), ZoomConstraint::RoundDown), ZoomLevel(ZoomLevel::FramesPerPixel, 2)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 4), ZoomConstraint::RoundDown), ZoomLevel(ZoomLevel::FramesPerPixel, 4)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 18), ZoomConstraint::RoundDown), ZoomLevel(ZoomLevel::FramesPerPixel, 16)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 22), ZoomConstraint::RoundDown), ZoomLevel(ZoomLevel::FramesPerPixel, 22)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 23), ZoomConstraint::RoundDown), ZoomLevel(ZoomLevel::FramesPerPixel, 22)); // see comment above QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 800), ZoomConstraint::RoundDown), ZoomLevel(ZoomLevel::FramesPerPixel, 720)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 1023), ZoomConstraint::RoundDown), ZoomLevel(ZoomLevel::FramesPerPixel, 720)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 1024), ZoomConstraint::RoundDown), ZoomLevel(ZoomLevel::FramesPerPixel, 1024)); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, 1025), ZoomConstraint::RoundDown), ZoomLevel(ZoomLevel::FramesPerPixel, 1024)); auto max = c.getMaxZoomLevel(); QCOMPARE(c.getNearestZoomLevel(max, ZoomConstraint::RoundDown), max); QCOMPARE(c.getNearestZoomLevel(ZoomLevel(ZoomLevel::FramesPerPixel, max.level + 1), ZoomConstraint::RoundDown), max); } }; #endif