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Native window decorations: fixed blurry iconify/maximize/close button hover rectangles at 125%, 150% or 175% scaling (issue #431)

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Karl Tauber
2021-12-31 10:28:34 +01:00
parent 840083940d
commit 8ddd3b6d68
3 changed files with 11 additions and 1 deletions
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7
flatlaf-core/src/main/java/com/formdev/flatlaf/icons/FlatWindowAbstractIcon.java
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@@ -20,6 +20,7 @@ import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import javax.swing.UIManager;
import com.formdev.flatlaf.ui.FlatButtonUI;
import com.formdev.flatlaf.ui.FlatUIUtils;
@@ -65,8 +66,14 @@ public abstract class FlatWindowAbstractIcon
protected void paintBackground( Component c, Graphics2D g ) {
Color background = FlatButtonUI.buttonStateColor( c, null, null, null, hoverBackground, pressedBackground );
if( background != null ) {
// disable antialiasing for background rectangle painting to avoid blury edges when scaled (e.g. at 125% or 175%)
Object oldHint = g.getRenderingHint( RenderingHints.KEY_ANTIALIASING );
g.setRenderingHint( RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF );
g.setColor( FlatUIUtils.deriveColor( background, c.getBackground() ) );
g.fillRect( 0, 0, width, height );
g.setRenderingHint( RenderingHints.KEY_ANTIALIASING, oldHint );
}
}

2
flatlaf-core/src/main/java/com/formdev/flatlaf/ui/JBRCustomDecorations.java
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@@ -298,7 +298,7 @@ public class JBRCustomDecorations
}
private void paintImpl( Graphics2D g, int x, int y, int width, int height, double scaleFactor ) {
g.drawRect( x, y, width - 1, 0 );
g.fillRect( x, y, width, 1 );
}
void repaintBorder( Component c ) {