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FlatSmoothScrollingTest: paint "temporary" scrollbar values in line chart using a lighter color

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Karl Tauber
2020-08-11 00:25:55 +02:00
parent d64a8e93e1
commit 1ae31588c4
1 changed files with 22 additions and 1 deletions
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23
flatlaf-testing/src/main/java/com/formdev/flatlaf/testing/FlatSmoothScrollingTest.java
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@@ -350,7 +350,7 @@ public class FlatSmoothScrollingTest
private final String name; private final String name;
private final Color chartColor; private final Color chartColor;
private int count; private int count;
private long lastTime; private long lastTime = System.nanoTime() / 1000000;
ScrollBarChangeHandler( String name, Color chartColor ) { ScrollBarChangeHandler( String name, Color chartColor ) {
this.name = name; this.name = name;
@@ -416,6 +416,12 @@ public class FlatSmoothScrollingTest
this.value = value; this.value = value;
this.time = time; this.time = time;
} }
@Override
public String toString() {
// for debugging
return String.valueOf( value );
}
} }
private final Map<Color, List<Data>> color2dataMap = new HashMap<>(); private final Map<Color, List<Data>> color2dataMap = new HashMap<>();
@@ -506,6 +512,7 @@ public class FlatSmoothScrollingTest
for( Map.Entry<Color, List<Data>> e : color2dataMap.entrySet() ) { for( Map.Entry<Color, List<Data>> e : color2dataMap.entrySet() ) {
Color chartColor = e.getKey(); Color chartColor = e.getKey();
List<Data> chartData = e.getValue(); List<Data> chartData = e.getValue();
Color temporaryValueColor = new Color( (chartColor.getRGB() & 0xffffff) | 0x40000000, true );
long seqTime = 0; long seqTime = 0;
int seqX = 0; int seqX = 0;
@@ -531,11 +538,18 @@ public class FlatSmoothScrollingTest
px = seqX; px = seqX;
pcount = 0; pcount = 0;
} else { } else {
boolean isTemporaryValue = isTemporaryValue( chartData, i ) || isTemporaryValue( chartData, i - 1 );
if( isTemporaryValue )
g.setColor( temporaryValueColor );
// line in sequence // line in sequence
int dx = (int) (seqX + (((data.time - seqTime) / 1000.) * secondWidth)); int dx = (int) (seqX + (((data.time - seqTime) / 1000.) * secondWidth));
g.drawLine( px, py, dx, dy ); g.drawLine( px, py, dx, dy );
px = dx; px = dx;
pcount++; pcount++;
if( isTemporaryValue )
g.setColor( chartColor );
} }
py = dy; py = dy;
@@ -544,6 +558,13 @@ public class FlatSmoothScrollingTest
} }
} }
private boolean isTemporaryValue( List<Data> chartData, int i ) {
if( i == 0 || i == chartData.size() - 1 )
return false;
return chartData.get( i - 1 ).value == chartData.get( i + 1 ).value;
}
private int chartWidth() { private int chartWidth() {
int width = 0; int width = 0;
for( List<Data> chartData : color2dataMap.values() ) for( List<Data> chartData : color2dataMap.values() )