Mercurial > hg > truffle
changeset 20159:81a34c9d6e17
IGV: Improve text contrast.
author | Roland Schatz <roland.schatz@oracle.com> |
---|---|
date | Thu, 02 Apr 2015 18:55:27 +0200 |
parents | ad1ef31ba0c1 |
children | 90b5605032bc |
files | src/share/tools/IdealGraphVisualizer/View/src/com/sun/hotspot/igv/view/widgets/FigureWidget.java |
diffstat | 1 files changed, 11 insertions(+), 1 deletions(-) [+] |
line wrap: on
line diff
--- a/src/share/tools/IdealGraphVisualizer/View/src/com/sun/hotspot/igv/view/widgets/FigureWidget.java Thu Apr 02 14:55:51 2015 +0200 +++ b/src/share/tools/IdealGraphVisualizer/View/src/com/sun/hotspot/igv/view/widgets/FigureWidget.java Thu Apr 02 18:55:27 2015 +0200 @@ -32,8 +32,10 @@ import com.sun.hotspot.igv.util.PropertiesSheet; import com.sun.hotspot.igv.view.DiagramScene; import java.awt.*; +import java.awt.color.ColorSpace; import java.awt.event.ActionEvent; import java.util.ArrayList; +import java.util.Arrays; import java.util.HashSet; import java.util.Set; import javax.swing.AbstractAction; @@ -130,7 +132,15 @@ middleWidget.addChild(lw); lw.setLabel(displayString); lw.setFont(figure.getDiagram().getFont()); - lw.setForeground(Color.BLACK); + + Color bg = f.getColor(); + double brightness = bg.getRed() * 0.21 + bg.getGreen() * 0.72 + bg.getBlue() * 0.07; + if (brightness < 150) { + lw.setForeground(Color.WHITE); + } else { + lw.setForeground(Color.BLACK); + } + lw.setAlignment(LabelWidget.Alignment.CENTER); lw.setVerticalAlignment(LabelWidget.VerticalAlignment.CENTER); lw.setBorder(BorderFactory.createEmptyBorder());