Button: get focusWidth and arc from UI defaults

flatlaf-core/src/main/java/com/formdev/flatlaf/FlatLaf.java

@@ -212,6 +212,11 @@ public abstract class FlatLaf
 		if( color != null )
 			return color;
 
+		// integer
+		Integer integer = parseInteger( value, false );
+		if( integer != null )
+			return integer;
+
 		// string
 		return value;
 	}
@@ -242,4 +247,16 @@ public abstract class FlatLaf
 		}
 		return null;
 	}
+
+	private Integer parseInteger( String value, boolean reportError ) {
+		try {
+			return Integer.parseInt( value );
+		} catch( NumberFormatException ex ) {
+			if( reportError ) {
+				System.err.println( "invalid integer '" + value + "'" );
+				throw ex;
+			}
+		}
+		return null;
+	}
 }

flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatButtonBorder.java

@@ -16,6 +16,7 @@
 
 package com.formdev.flatlaf.ui;
 
+import static com.formdev.flatlaf.util.UIScale.*;
 import java.awt.Color;
 import java.awt.Component;
 import java.awt.GradientPaint;
@@ -25,7 +26,6 @@ import java.awt.Insets;
 import java.awt.Paint;
 import javax.swing.UIManager;
 import javax.swing.plaf.basic.BasicBorders;
-import static com.formdev.flatlaf.util.UIScale.*;
 
 /**
  * Border for {@link javax.swing.JButton}.
@@ -46,7 +46,7 @@ public class FlatButtonBorder
 
 			float focusWidth = getFocusWidth();
 			float lineWidth = getLineWidth();
-			float arc = scale( 6f ); //TODO
+			float arc = FlatUIUtils.getButtonArc();
 
 			if( c.hasFocus() ) {
 				g2.setColor( UIManager.getColor( FlatButtonUI.isDefaultButton( c )
@@ -90,12 +90,10 @@ public class FlatButtonBorder
 	}
 
 	protected float getFocusWidth() {
-		//TODO
+		return FlatUIUtils.getFocusWidth();
-		return scale( 2f );
 	}
 
 	protected float getLineWidth() {
-		//TODO
+		return FlatUIUtils.getLineWidth();
-		return scale( 1f );
 	}
 }

flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatButtonUI.java

@@ -28,7 +28,6 @@ import javax.swing.JComponent;
 import javax.swing.UIManager;
 import javax.swing.plaf.ComponentUI;
 import javax.swing.plaf.basic.BasicButtonUI;
-import com.formdev.flatlaf.util.UIScale;
 import sun.swing.SwingUtilities2;
 
 /**
@@ -65,9 +64,8 @@ public class FlatButtonUI
 				try {
 					FlatUIUtils.setRenderingHints( g2 );
 
-					//TODO
+					float focusWidth = FlatUIUtils.getFocusWidth();
-					float focusWidth = UIScale.scale( 2f );
+					float arc = FlatUIUtils.getButtonArc();
-					float arc = UIScale.scale( 6f );
 
 					g2.setColor( getBackground( c ) );
 					FlatUIUtils.fillRoundRectangle( g2, 0, 0, c.getWidth(), c.getHeight(), focusWidth, arc );

flatlaf-core/src/main/java/com/formdev/flatlaf/ui/FlatUIUtils.java

@@ -16,6 +16,7 @@
 
 package com.formdev.flatlaf.ui;
 
+import static com.formdev.flatlaf.util.UIScale.scale;
 import java.awt.Container;
 import java.awt.Graphics;
 import java.awt.Graphics2D;
@@ -23,6 +24,7 @@ import java.awt.RenderingHints;
 import java.awt.geom.Path2D;
 import java.awt.geom.RoundRectangle2D;
 import javax.swing.JComponent;
+import javax.swing.UIManager;
 import com.formdev.flatlaf.util.UIScale;
 
 /**
@@ -34,6 +36,27 @@ public class FlatUIUtils
 {
 	public static final boolean MAC_USE_QUARTZ = Boolean.getBoolean( "apple.awt.graphics.UseQuartz" );
 
+	public static int getUIInt( String key, int defaultValue ) {
+		Object value = UIManager.get( key );
+		return (value instanceof Integer) ? (Integer) value : defaultValue;
+	}
+
+	public static float getFocusWidth() {
+		return scale( (float) getUIInt( "Component.focusWidth", 2 ) );
+	}
+
+	public static float getLineWidth() {
+		return scale( 1f );
+	}
+
+	public static float getComponentArc() {
+		return scale( (float) getUIInt( "Component.arc", 5 ) );
+	}
+
+	public static float getButtonArc() {
+		return scale( (float) getUIInt( "Button.arc", 6 ) );
+	}
+
 	/**
 	 * Sets rendering hints used for painting.
 	 */

flatlaf-core/src/main/resources/com/formdev/flatlaf/FlatLaf.properties

@@ -23,3 +23,10 @@ LabelUI=com.formdev.flatlaf.ui.FlatLabelUI
 #---- Button ----
 
 Button.border=com.formdev.flatlaf.ui.FlatButtonBorder
+Button.arc=6
+
+
+#---- Component ----
+
+Component.focusWidth=2
+Component.arc=5

flatlaf-core/src/test/resources/com/formdev/flatlaf/FlatTestLaf.properties

@@ -29,6 +29,7 @@ Button.startBorderColor=ff0000
 Button.endBorderColor=0000ff
 Button.disabledBorderColor=000088
 Button.focusedBorderColor=466d94
+#Button.arc=10
 
 Button.default.background=dddddd
 Button.default.foreground=880000
@@ -41,6 +42,8 @@ Button.default.focusColor=ff0000
 #---- Component ----
 
 Component.focusColor=97c3f3
+#Component.focusWidth=5
+#Component.arc=8
 
 
 #---- Label ----