1 files changed, 81 insertions, 0 deletions
diff --git a/src/graphui/classes/com/jogamp/graph/ui/layout/Gap.java b/src/graphui/classes/com/jogamp/graph/ui/layout/Gap.java
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+++ b/src/graphui/classes/com/jogamp/graph/ui/layout/Gap.java
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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.opengl.math.FloatUtil;
+
+/**
+ * GraphUI CSS property Gap, spaceing between (grid) cells not belonging to the element.
+ *
+ * The CSS gap property defines the size of the gap between the rows and columns in a grid layout.
+ */
+public class Gap {
+    /** Row gap value, vertical spacing. */
+    public final float row;
+    /** Column gap value, horizontal spacing. */
+    public final float column;
+
+    /**
+     * Ctor w/ zero values
+     */
+    public Gap() {
+        row = 0f; column = 0f;
+    }
+
+    /**
+     * Ctor
+     * @param row vertical row value
+     * @param column horizontal column value
+     */
+    public Gap(final float row, final float column) {
+        this.row = row; this.column = column;
+    }
+
+    /**
+     * Ctor
+     * @param rc vertical row and horizontal column value
+     */
+    public Gap(final float rc) {
+        this.row = rc; this.column = rc;
+    }
+
+    /** Return width of horizontal value, i.e. 1 * column. */
+    public float width() { return column; }
+
+    /** Return height of vertical value, i.e. 1 * row. */
+    public float height() { return row; }
+
+    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 "Gap[r "+row+", c "+column+"]"; }
+}