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/**
* Copyright 2023 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
package com.jogamp.graph.ui.layout;
import com.jogamp.math.FloatUtil;
/**
* GraphUI CSS property Margin, space between or around elements and not included in the element's size.
* <p>
* The CSS margin properties are used to create space around elements, outside of any defined borders.
* </p>
* <p>
* Center alignment is defined via {@link Alignment} and {@link Margin} ignored with only center {@link Alignment} w/o {@link Alignment.Bit#Fill} scale.
* </p>
*/
public class Margin {
/** Zero margin constant. */
public static final Margin None = new Margin();
/** Top value */
public final float top;
/** Right value */
public final float right;
/** Bottom value */
public final float bottom;
/** Left value */
public final float left;
private Margin() {
this(0f);
}
/**
* Ctor
* @param top top value
* @param right right value
* @param bottom bottom value
* @param left left value
*/
public Margin(final float top, final float right, final float bottom, final float left) {
this.top = top;
this.bottom = bottom;
this.right = right;
this.left = left;
}
/**
* Ctor
* @param top top value
* @param rl right and left value
* @param bottom bottom value
*/
public Margin(final float top, final float rl, final float bottom) {
this.top = top;
this.bottom = bottom;
this.right = rl;
this.left = rl;
}
/**
* Ctor
* @param tb top and bottom value
* @param rl right and left value
*/
public Margin(final float tb, final float rl) {
this.top = tb;
this.bottom = tb;
this.right = rl;
this.left = rl;
}
/**
* Ctor
* @param trbl top, right, bottom and left value
*/
public Margin(final float trbl) {
this.top = trbl;
this.bottom = trbl;
this.right = trbl;
this.left = trbl;
}
/** Return width of horizontal values top + right. Zero if {@link #isCenteredHoriz()}. */
public float width() { return left + right; }
/** Return height of vertical values bottom + top. Zero if {@link #isCenteredVert()}. */
public float height() { return bottom + top; }
public boolean zeroSumWidth() { return FloatUtil.isZero( width() ); };
public boolean zeroSumHeight() { return FloatUtil.isZero( height() ); };
public boolean zeroSumSize() { return zeroSumWidth() && zeroSumHeight(); }
@Override
public String toString() { return "Margin[t "+top+", r "+right+", b "+bottom+", l "+left+"]"; }
}
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