/* ==================================================================== | |
Licensed to the Apache Software Foundation (ASF) under one or more | |
contributor license agreements. See the NOTICE file distributed with | |
this work for additional information regarding copyright ownership. | |
The ASF licenses this file to You 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 org.apache.poi.sl.usermodel; | |
import java.awt.Insets; | |
/** | |
* This is a replacement for {@link java.awt.Insets} which works on doubles | |
* instead of ints | |
*/ | |
public class Insets2D { | |
/** | |
* The inset from the top. | |
* This value is added to the Top of the rectangle | |
* to yield a new location for the Top. | |
*/ | |
public double top; | |
/** | |
* The inset from the left. | |
* This value is added to the Left of the rectangle | |
* to yield a new location for the Left edge. | |
*/ | |
public double left; | |
/** | |
* The inset from the bottom. | |
* This value is subtracted from the Bottom of the rectangle | |
* to yield a new location for the Bottom. | |
*/ | |
public double bottom; | |
/** | |
* The inset from the right. | |
* This value is subtracted from the Right of the rectangle | |
* to yield a new location for the Right edge. | |
*/ | |
public double right; | |
/** | |
* Creates and initializes a new <code>Insets</code> object with the | |
* specified top, left, bottom, and right insets. | |
* @param top the inset from the top. | |
* @param left the inset from the left. | |
* @param bottom the inset from the bottom. | |
* @param right the inset from the right. | |
*/ | |
public Insets2D(double top, double left, double bottom, double right) { | |
this.top = top; | |
this.left = left; | |
this.bottom = bottom; | |
this.right = right; | |
} | |
/** | |
* Set top, left, bottom, and right to the specified values | |
* | |
* @param top the inset from the top. | |
* @param left the inset from the left. | |
* @param bottom the inset from the bottom. | |
* @param right the inset from the right. | |
* @since 1.5 | |
*/ | |
public void set(double top, double left, double bottom, double right) { | |
this.top = top; | |
this.left = left; | |
this.bottom = bottom; | |
this.right = right; | |
} | |
/** | |
* Checks whether two insets objects are equal. Two instances | |
* of <code>Insets</code> are equal if the four integer values | |
* of the fields <code>top</code>, <code>left</code>, | |
* <code>bottom</code>, and <code>right</code> are all equal. | |
* @return <code>true</code> if the two insets are equal; | |
* otherwise <code>false</code>. | |
* @since JDK1.1 | |
*/ | |
public boolean equals(Object obj) { | |
if (obj instanceof Insets) { | |
Insets insets = (Insets)obj; | |
return ((top == insets.top) && (left == insets.left) && | |
(bottom == insets.bottom) && (right == insets.right)); | |
} | |
return false; | |
} | |
/** | |
* Returns the hash code for this Insets. | |
* | |
* @return a hash code for this Insets. | |
*/ | |
public int hashCode() { | |
double sum1 = left + bottom; | |
double sum2 = right + top; | |
double val1 = sum1 * (sum1 + 1)/2 + left; | |
double val2 = sum2 * (sum2 + 1)/2 + top; | |
double sum3 = val1 + val2; | |
return (int)(sum3 * (sum3 + 1)/2 + val2); | |
} | |
/** | |
* Returns a string representation of this <code>Insets</code> object. | |
* This method is intended to be used only for debugging purposes, and | |
* the content and format of the returned string may vary between | |
* implementations. The returned string may be empty but may not be | |
* <code>null</code>. | |
* | |
* @return a string representation of this <code>Insets</code> object. | |
*/ | |
public String toString() { | |
return getClass().getName() + "[top=" + top + ",left=" + left + ",bottom=" + bottom + ",right=" + right + "]"; | |
} | |
/** | |
* Create a copy of this object. | |
* @return a copy of this <code>Insets2D</code> object. | |
*/ | |
public Object clone() { | |
try { | |
return super.clone(); | |
} catch (CloneNotSupportedException e) { | |
// this shouldn't happen, since we are Cloneable | |
throw new InternalError(); | |
} | |
} | |
} |