WebSVN - Projects - Blame - Rev 2287 - /MKLiveView/v1.0/GMap.NET.Core/GMap.NET/GRect.cs

Rev	Author	Line No.	Line
2287	-	1
		2	namespace GMap.NET
		3	{
		4	using System;
		5	using System.Globalization;
		6
		7	/// <summary>
		8	/// the rect
		9	/// </summary>
		10	public struct GRect
		11	{
		12	public static readonly GRect Empty = new GRect();
		13
		14	private long x;
		15	private long y;
		16	private long width;
		17	private long height;
		18
		19	public GRect(long x, long y, long width, long height)
		20	{
		21	this.x = x;
		22	this.y = y;
		23	this.width = width;
		24	this.height = height;
		25	}
		26
		27	public GRect(GPoint location, GSize size)
		28	{
		29	this.x = location.X;
		30	this.y = location.Y;
		31	this.width = size.Width;
		32	this.height = size.Height;
		33	}
		34
		35	public static GRect FromLTRB(int left, int top, int right, int bottom)
		36	{
		37	return new GRect(left,
		38	top,
		39	right - left,
		40	bottom - top);
		41	}
		42
		43	public GPoint Location
		44	{
		45	get
		46	{
		47	return new GPoint(X, Y);
		48	}
		49	set
		50	{
		51	X = value.X;
		52	Y = value.Y;
		53	}
		54	}
		55
		56	public GPoint RightBottom
		57	{
		58	get
		59	{
		60	return new GPoint(Right, Bottom);
		61	}
		62	}
		63
		64	public GPoint RightTop
		65	{
		66	get
		67	{
		68	return new GPoint(Right, Top);
		69	}
		70	}
		71
		72	public GPoint LeftBottom
		73	{
		74	get
		75	{
		76	return new GPoint(Left, Bottom);
		77	}
		78	}
		79
		80	public GSize Size
		81	{
		82	get
		83	{
		84	return new GSize(Width, Height);
		85	}
		86	set
		87	{
		88	this.Width = value.Width;
		89	this.Height = value.Height;
		90	}
		91	}
		92
		93	public long X
		94	{
		95	get
		96	{
		97	return x;
		98	}
		99	set
		100	{
		101	x = value;
		102	}
		103	}
		104
		105	public long Y
		106	{
		107	get
		108	{
		109	return y;
		110	}
		111	set
		112	{
		113	y = value;
		114	}
		115	}
		116
		117	public long Width
		118	{
		119	get
		120	{
		121	return width;
		122	}
		123	set
		124	{
		125	width = value;
		126	}
		127	}
		128
		129	public long Height
		130	{
		131	get
		132	{
		133	return height;
		134	}
		135	set
		136	{
		137	height = value;
		138	}
		139	}
		140
		141	public long Left
		142	{
		143	get
		144	{
		145	return X;
		146	}
		147	}
		148
		149	public long Top
		150	{
		151	get
		152	{
		153	return Y;
		154	}
		155	}
		156
		157	public long Right
		158	{
		159	get
		160	{
		161	return X + Width;
		162	}
		163	}
		164
		165	public long Bottom
		166	{
		167	get
		168	{
		169	return Y + Height;
		170	}
		171	}
		172
		173	public bool IsEmpty
		174	{
		175	get
		176	{
		177	return height == 0 && width == 0 && x == 0 && y == 0;
		178	}
		179	}
		180
		181	public override bool Equals(object obj)
		182	{
		183	if(!(obj is GRect))
		184	return false;
		185
		186	GRect comp = (GRect) obj;
		187
		188	return (comp.X == this.X) &&
		189	(comp.Y == this.Y) &&
		190	(comp.Width == this.Width) &&
		191	(comp.Height == this.Height);
		192	}
		193
		194	public static bool operator==(GRect left, GRect right)
		195	{
		196	return (left.X == right.X
		197	&& left.Y == right.Y
		198	&& left.Width == right.Width
		199	&& left.Height == right.Height);
		200	}
		201
		202	public static bool operator!=(GRect left, GRect right)
		203	{
		204	return !(left == right);
		205	}
		206
		207	public bool Contains(long x, long y)
		208	{
		209	return this.X <= x &&
		210	x < this.X + this.Width &&
		211	this.Y <= y &&
		212	y < this.Y + this.Height;
		213	}
		214
		215	public bool Contains(GPoint pt)
		216	{
		217	return Contains(pt.X, pt.Y);
		218	}
		219
		220	public bool Contains(GRect rect)
		221	{
		222	return (this.X <= rect.X) &&
		223	((rect.X + rect.Width) <= (this.X + this.Width)) &&
		224	(this.Y <= rect.Y) &&
		225	((rect.Y + rect.Height) <= (this.Y + this.Height));
		226	}
		227
		228	public override int GetHashCode()
		229	{
		230	if(this.IsEmpty)
		231	{
		232	return 0;
		233	}
		234	return (int)(((this.X ^ ((this.Y << 13) \| (this.Y >> 0x13))) ^ ((this.Width << 0x1a) \| (this.Width >> 6))) ^ ((this.Height << 7) \| (this.Height >> 0x19)));
		235	}
		236
		237	public void Inflate(long width, long height)
		238	{
		239	this.X -= width;
		240	this.Y -= height;
		241	this.Width += 2*width;
		242	this.Height += 2*height;
		243	}
		244
		245	public void Inflate(GSize size)
		246	{
		247	Inflate(size.Width, size.Height);
		248	}
		249
		250	public static GRect Inflate(GRect rect, long x, long y)
		251	{
		252	GRect r = rect;
		253	r.Inflate(x, y);
		254	return r;
		255	}
		256
		257	public void Intersect(GRect rect)
		258	{
		259	GRect result = GRect.Intersect(rect, this);
		260
		261	this.X = result.X;
		262	this.Y = result.Y;
		263	this.Width = result.Width;
		264	this.Height = result.Height;
		265	}
		266
		267	public static GRect Intersect(GRect a, GRect b)
		268	{
		269	long x1 = Math.Max(a.X, b.X);
		270	long x2 = Math.Min(a.X + a.Width, b.X + b.Width);
		271	long y1 = Math.Max(a.Y, b.Y);
		272	long y2 = Math.Min(a.Y + a.Height, b.Y + b.Height);
		273
		274	if(x2 >= x1
		275	&& y2 >= y1)
		276	{
		277
		278	return new GRect(x1, y1, x2 - x1, y2 - y1);
		279	}
		280	return GRect.Empty;
		281	}
		282
		283	public bool IntersectsWith(GRect rect)
		284	{
		285	return (rect.X < this.X + this.Width) &&
		286	(this.X < (rect.X + rect.Width)) &&
		287	(rect.Y < this.Y + this.Height) &&
		288	(this.Y < rect.Y + rect.Height);
		289	}
		290
		291	public static GRect Union(GRect a, GRect b)
		292	{
		293	long x1 = Math.Min(a.X, b.X);
		294	long x2 = Math.Max(a.X + a.Width, b.X + b.Width);
		295	long y1 = Math.Min(a.Y, b.Y);
		296	long y2 = Math.Max(a.Y + a.Height, b.Y + b.Height);
		297
		298	return new GRect(x1, y1, x2 - x1, y2 - y1);
		299	}
		300
		301	public void Offset(GPoint pos)
		302	{
		303	Offset(pos.X, pos.Y);
		304	}
		305
		306	public void OffsetNegative(GPoint pos)
		307	{
		308	Offset(-pos.X, -pos.Y);
		309	}
		310
		311	public void Offset(long x, long y)
		312	{
		313	this.X += x;
		314	this.Y += y;
		315	}
		316
		317	public override string ToString()
		318	{
		319	return "{X=" + X.ToString(CultureInfo.CurrentCulture) + ",Y=" + Y.ToString(CultureInfo.CurrentCulture) +
		320	",Width=" + Width.ToString(CultureInfo.CurrentCulture) +
		321	",Height=" + Height.ToString(CultureInfo.CurrentCulture) + "}";
		322	}
		323	}
		324	}

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