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UI inspector: fixed NPE and use anti-aliasing for painting line border on Java 9+ for better results when scaled

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This commit is contained in:
Karl Tauber
2019-10-12 13:43:43 +02:00
parent ff510095a3
commit 012d86066d
1 changed files with 9 additions and 1 deletions
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10
flatlaf-core/src/test/java/com/formdev/flatlaf/FlatInspector.java
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@@ -23,6 +23,7 @@ import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Insets;
import java.awt.Rectangle;
import java.awt.event.MouseEvent;
@@ -41,6 +42,7 @@ import javax.swing.border.LineBorder;
import javax.swing.plaf.UIResource;
import javax.swing.text.JTextComponent;
import com.formdev.flatlaf.ui.FlatToolTipUI;
import com.formdev.flatlaf.ui.FlatUIUtils;
import com.formdev.flatlaf.util.UIScale;
/**
@@ -103,7 +105,7 @@ public class FlatInspector
private void inspect( int x, int y ) {
Container contentPane = rootPane.getContentPane();
Component c = SwingUtilities.getDeepestComponentAt( contentPane, x, y );
if( c == contentPane || c.getParent() == contentPane )
if( c == contentPane || (c != null && c.getParent() == contentPane) )
c = null;
if( c == lastComponent )
@@ -137,6 +139,12 @@ public class FlatInspector
g.setColor( getBackground() );
g.fillRect( 0, 0, getWidth(), getHeight() );
}
@Override
protected void paintBorder( Graphics g ) {
FlatUIUtils.setRenderingHints( (Graphics2D) g );
super.paintBorder( g );
}
};
c.setBackground( new Color( 255, 0, 0, 32 ) );
c.setBorder( new LineBorder( Color.red ) );