com.formdev.flatlaf.ui.FlatMarginBorder Maven / Gradle / Ivy
/*
* Copyright 2019 FormDev Software GmbH
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.formdev.flatlaf.ui;
import static com.formdev.flatlaf.util.UIScale.*;
import java.awt.Component;
import java.awt.Insets;
import javax.swing.plaf.basic.BasicBorders;
/**
* Border that scales component margin.
*
* @author Karl Tauber
*/
public class FlatMarginBorder
extends BasicBorders.MarginBorder
{
private final int left, right, top, bottom;
public FlatMarginBorder() {
left = right = top = bottom = 0;
}
public FlatMarginBorder( Insets insets ) {
left = insets.left;
top = insets.top;
right = insets.right;
bottom = insets.bottom;
}
@Override
public Insets getBorderInsets( Component c, Insets insets ) {
insets = super.getBorderInsets( c, insets );
insets.top = scale( insets.top + top );
insets.left = scale( insets.left + left );
insets.bottom = scale( insets.bottom + bottom );
insets.right = scale( insets.right + right );
return insets;
}
}