/*******************************************************************************
* Copyright (c) 2014, 2016 Original authors and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Dirk Fauth <dirk.fauth@googlemail.com> - initial API and implementation
******************************************************************************/
package org.eclipse.nebula.widgets.nattable.layer;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import org.eclipse.nebula.widgets.nattable.util.GUIHelper;
import org.junit.Before;
import org.junit.Test;
public class SizeConfigScalingTest {
private static final int DEFAULT_SIZE = 100;
private SizeConfig sizeConfig;
@Before
public void setup() {
this.sizeConfig = new SizeConfig(DEFAULT_SIZE);
this.sizeConfig.setDpiConverter(new AbstractDpiConverter() {
@Override
protected void readDpiFromDisplay() {
// use dpi of 144 which will result in a dpi factor of 1.5
this.dpi = 144;
}
});
}
@Test
public void getAggregateSize() throws Exception {
assertEquals(1500, this.sizeConfig.getAggregateSize(10));
}
@Test
public void sizeOverride() throws Exception {
this.sizeConfig.setSize(5, 120);
// width of 120 pixels is upscaled to 180
assertEquals(180, this.sizeConfig.getSize(5));
}
@Test
public void getAggregateSizeWithSizeOverrides() throws Exception {
this.sizeConfig.setSize(5, 120);
this.sizeConfig.setSize(0, 10);
// rounding issue with downscaling and upscaling
assertEquals(15, this.sizeConfig.getAggregateSize(1));
// 10 + 400 + 120
assertEquals(795, this.sizeConfig.getAggregateSize(6));
// 10 + 800 + 120
assertEquals(1395, this.sizeConfig.getAggregateSize(10));
}
@Test
public void setIndexResizable() throws Exception {
this.sizeConfig.setResizableByDefault(false);
this.sizeConfig.setPositionResizable(2, true);
this.sizeConfig.setSize(2, 120);
assertEquals(480, this.sizeConfig.getAggregateSize(3));
}
@Test
public void ingnoreResizeForNonResizableColumns() throws Exception {
this.sizeConfig.setResizableByDefault(false);
this.sizeConfig.setSize(2, 120);
assertEquals(450, this.sizeConfig.getAggregateSize(3));
}
@Test
public void allIndexesSameSize() throws Exception {
assertTrue(this.sizeConfig.isAllPositionsSameSize());
this.sizeConfig.setSize(2, 120);
assertFalse(this.sizeConfig.isAllPositionsSameSize());
}
@Test
public void testAggregateSize() {
final SizeConfig sc = new SizeConfig(50); // Global default of 50
sc.setDpiConverter(new AbstractDpiConverter() {
@Override
protected void readDpiFromDisplay() {
// use dpi of 144 which will result in a dpi factor of 1.5
this.dpi = 144;
}
});
sc.setSize(0, 30);
sc.setSize(1, 30);
// use global default for 3rd and 4th position
assertEquals(240, sc.getAggregateSize(4));
}
@Test
public void testAggregateSizeWithPositionDefaults() {
final SizeConfig sc = new SizeConfig(50); // Global default of 50
sc.setDpiConverter(new AbstractDpiConverter() {
@Override
protected void readDpiFromDisplay() {
// use dpi of 144 which will result in a dpi factor of 1.5
this.dpi = 144;
}
});
sc.setSize(0, 30);
sc.setSize(1, 30);
// must not be considered as there is a size
// set on 1st position
sc.setDefaultSize(0, 10);
// must be considered as there is no size
// setting on 3rd position
sc.setDefaultSize(2, 10);
// use global default for 4th position
// 30 + 30 + 10 + 50
assertEquals(180, sc.getAggregateSize(4));
}
@Test
public void testAggregateSizeCache() {
final SizeConfig sc = new SizeConfig(100);
sc.setDpiConverter(new AbstractDpiConverter() {
@Override
protected void readDpiFromDisplay() {
// use dpi of 144 which will result in a dpi factor of 1.5
this.dpi = 144;
}
});
assertEquals(750, sc.getAggregateSize(5));
sc.setSize(0, 75);
assertEquals(713, sc.getAggregateSize(5));
sc.setSize(1, 75);
assertEquals(676, sc.getAggregateSize(5));
sc.setSize(2, 75);
assertEquals(639, sc.getAggregateSize(5));
sc.setDefaultSize(75);
assertEquals(565, sc.getAggregateSize(5));
sc.setSize(2, 100);
assertEquals(602, sc.getAggregateSize(5));
}
@Test
public void testRounding() {
// results in 128 upscaled because of rounding
final SizeConfig sc = new SizeConfig(102);
sc.setDpiConverter(new AbstractDpiConverter() {
@Override
protected void readDpiFromDisplay() {
// use dpi of 120 which will result in a dpi factor of 1.25
this.dpi = 120;
}
});
assertEquals(178, sc.downScale(222));
assertEquals(223, sc.upScale(178));
assertEquals(128, sc.getSize(0));
assertEquals(128, sc.getSize(1));
assertEquals(128, sc.getSize(2));
assertEquals(384, sc.getAggregateSize(3));
}
@Test
public void testRoundingAllCustomSize() {
final SizeConfig sc = new SizeConfig(100);
sc.setDpiConverter(new AbstractDpiConverter() {
@Override
protected void readDpiFromDisplay() {
// use dpi of 120 which will result in a dpi factor of 1.25
this.dpi = 120;
}
});
sc.setSize(0, 102);
sc.setSize(1, 102);
sc.setSize(2, 102);
assertEquals(128, sc.getSize(0));
assertEquals(128, sc.getSize(1));
assertEquals(128, sc.getSize(2));
assertEquals(384, sc.getAggregateSize(3));
}
@Test
public void testRoundingMixedSize() {
final SizeConfig sc = new SizeConfig(102);
sc.setDpiConverter(new AbstractDpiConverter() {
@Override
protected void readDpiFromDisplay() {
// use dpi of 120 which will result in a dpi factor of 1.25
this.dpi = 120;
}
});
// results because of scaling in 223
sc.setSize(1, 178);
assertEquals(128, sc.getSize(0));
assertEquals(223, sc.getSize(1));
assertEquals(128, sc.getSize(2));
assertEquals(479, sc.getAggregateSize(3));
}
@Test
public void testScalingFactor() {
assertEquals(1.0f, GUIHelper.getDpiFactor(96), 0);
assertEquals(1.25f, GUIHelper.getDpiFactor(120), 0);
assertEquals(1.33f, GUIHelper.getDpiFactor(128), 0);
assertEquals(1.5f, GUIHelper.getDpiFactor(144), 0);
assertEquals(1.75f, GUIHelper.getDpiFactor(168), 0);
assertEquals(2.0f, GUIHelper.getDpiFactor(192), 0);
assertEquals(2.5f, GUIHelper.getDpiFactor(240), 0);
assertEquals(3.0f, GUIHelper.getDpiFactor(288), 0);
assertEquals(1.0f, GUIHelper.getDpiFactor(78), 0);
}
}