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// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// Copyright (c) 2005,2006 Novell, Inc. (http://www.novell.com)
//
// Author:
// Pedro MartÃnez Juliá <pedromj@gmail.com>
// Daniel Nauck (dna(at)mono-project(dot)de)
//
using System;
using System.ComponentModel;
using System.Drawing;
namespace System.Windows.Forms {
[Serializable]
[TypeConverter(typeof(PaddingConverter))]
public struct Padding {
//NOTE: "_var" field name is required by serialization.
private int _bottom;
private int _left;
private int _right;
private int _top;
private bool _all;
public Padding (int all) {
_left = all;
_right = all;
_top = all;
_bottom = all;
_all = true;
}
public Padding (int left, int top, int right, int bottom) {
_left = left;
_right = right;
_top = top;
_bottom = bottom;
_all = (_left == _top) && (_left == _right) && (_left == _bottom);
}
public static readonly Padding Empty = new Padding(0);
[RefreshProperties(RefreshProperties.All)]
public int All {
get {
if(!_all)
return -1;
else
return _top;
}
set {
_all = true;
_left = _top = _right = _bottom = value;
}
}
[RefreshProperties(RefreshProperties.All)]
public int Bottom {
get { return _bottom; }
set {
_bottom = value;
_all = false;
}
}
[Browsable(false)]
public int Horizontal {
get { return _left + _right; }
}
[RefreshProperties(RefreshProperties.All)]
public int Left {
get { return _left; }
set {
_left = value;
_all = false;
}
}
[RefreshProperties(RefreshProperties.All)]
public int Right {
get { return _right; }
set {
_right = value;
_all = false;
}
}
[Browsable(false)]
public Size Size {
get { return new Size(Horizontal, Vertical); }
}
[RefreshProperties(RefreshProperties.All)]
public int Top {
get { return _top; }
set {
_top = value;
_all = false;
}
}
[Browsable(false)]
public int Vertical {
get { return _top + _bottom; }
}
public static Padding Add (Padding p1, Padding p2) {
return p1 + p2;
}
public override bool Equals (object other) {
if (other is Padding) {
Padding other_aux = (Padding) other;
return _left == other_aux.Left &&
_top == other_aux.Top &&
_right == other_aux.Right &&
_bottom == other_aux.Bottom;
}
return false;
}
public override int GetHashCode () {
return _top ^ _bottom ^ _left ^ _right;
}
public static Padding operator+ (Padding p1, Padding p2) {
return new Padding(p1.Left + p2.Left, p1.Top + p2.Top, p1.Right + p2.Right, p1.Bottom + p2.Bottom);
}
public static bool operator== (Padding p1, Padding p2) {
return p1.Equals(p2);
}
public static bool operator!= (Padding p1, Padding p2) {
return !(p1.Equals(p2));
}
public static Padding operator- (Padding p1, Padding p2) {
return new Padding(p1.Left - p2.Left, p1.Top - p2.Top, p1.Right - p2.Right, p1.Bottom - p2.Bottom);
}
public static Padding Subtract (Padding p1, Padding p2) {
return p1 - p2;
}
public override string ToString () {
return "{Left=" + Left + ",Top="+ Top + ",Right=" + Right + ",Bottom=" + Bottom + "}";
}
}
}
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