Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / fx / src / CommonUI / System / Drawing / Advanced / RectangleF.cs / 1 / RectangleF.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Drawing {
using System.Diagnostics;
using System;
using System.IO;
using Microsoft.Win32;
using System.ComponentModel;
using System.Drawing.Internal;
using System.Globalization;
///
///
/// Stores the location and size of a rectangular region. For
/// more advanced region functions use a
///
[Serializable]
public struct RectangleF {
///
/// Initializes a new instance of the
public static readonly RectangleF Empty = new RectangleF();
private float x;
private float y;
private float width;
private float height;
///
///
/// Initializes a new instance of the
///
public RectangleF(float x, float y, float width, float height) {
this.x = x;
this.y = y;
this.width = width;
this.height = height;
}
///
///
/// Initializes a new instance of the
///
public RectangleF(PointF location, SizeF size) {
this.x = location.X;
this.y = location.Y;
this.width = size.Width;
this.height = size.Height;
}
///
///
/// Creates a new
///
// !! Not in C++ version
public static RectangleF FromLTRB(float left, float top, float right, float bottom) {
return new RectangleF(left,
top,
right - left,
bottom - top);
}
///
///
/// Gets or sets the coordinates of the upper-left corner of
/// the rectangular region represented by this
///
[Browsable(false)]
public PointF Location {
get {
return new PointF(X, Y);
}
set {
X = value.X;
Y = value.Y;
}
}
///
///
/// Gets or sets the size of this
///
[Browsable(false)]
public SizeF Size {
get {
return new SizeF(Width, Height);
}
set {
this.Width = value.Width;
this.Height = value.Height;
}
}
///
///
/// Gets or sets the x-coordinate of the
/// upper-left corner of the rectangular region defined by this
///
public float X {
get {
return x;
}
set {
x = value;
}
}
///
///
/// Gets or sets the y-coordinate of the
/// upper-left corner of the rectangular region defined by this
///
public float Y {
get {
return y;
}
set {
y = value;
}
}
///
///
/// Gets or sets the width of the rectangular
/// region defined by this
///
public float Width {
get {
return width;
}
set {
width = value;
}
}
///
///
/// Gets or sets the height of the
/// rectangular region defined by this
///
public float Height {
get {
return height;
}
set {
height = value;
}
}
///
///
/// Gets the x-coordinate of the upper-left corner of the
/// rectangular region defined by this
///
[Browsable(false)]
public float Left {
get {
return X;
}
}
///
///
/// Gets the y-coordinate of the upper-left corner of the
/// rectangular region defined by this
///
[Browsable(false)]
public float Top {
get {
return Y;
}
}
///
///
/// Gets the x-coordinate of the lower-right corner of the
/// rectangular region defined by this
///
[Browsable(false)]
public float Right {
get {
return X + Width;
}
}
///
///
/// Gets the y-coordinate of the lower-right corner of the
/// rectangular region defined by this
///
[Browsable(false)]
public float Bottom {
get {
return Y + Height;
}
}
///
///
/// Tests whether this
///
[Browsable(false)]
public bool IsEmpty {
get {
return (Width <= 0 )|| (Height <= 0);
}
}
///
///
/// Tests whether
///
public override bool Equals(object obj) {
if (!(obj is RectangleF))
return false;
RectangleF comp = (RectangleF)obj;
return (comp.X == this.X) &&
(comp.Y == this.Y) &&
(comp.Width == this.Width) &&
(comp.Height == this.Height);
}
///
///
/// Tests whether two
///
public static bool operator ==(RectangleF left, RectangleF right) {
return (left.X == right.X
&& left.Y == right.Y
&& left.Width == right.Width
&& left.Height == right.Height);
}
///
///
/// Tests whether two
///
public static bool operator !=(RectangleF left, RectangleF right) {
return !(left == right);
}
///
///
/// Determines if the specfied point is contained within the
/// rectangular region defined by this
///
public bool Contains(float x, float y) {
return this.X <= x &&
x < this.X + this.Width &&
this.Y <= y &&
y < this.Y + this.Height;
}
///
///
/// Determines if the specfied point is contained within the
/// rectangular region defined by this
///
public bool Contains(PointF pt) {
return Contains(pt.X, pt.Y);
}
///
///
/// Determines if the rectangular region represented by
///
///
public bool Contains(RectangleF rect) {
return (this.X <= rect.X) &&
((rect.X + rect.Width) <= (this.X + this.Width)) &&
(this.Y <= rect.Y) &&
((rect.Y + rect.Height) <= (this.Y + this.Height));
}
// !! Not in C++ version
///
/// Gets the hash code for this
public override int GetHashCode() {
return (int)((UInt32)X ^
(((UInt32)Y << 13) | ((UInt32)Y >> 19)) ^
(((UInt32)Width << 26) | ((UInt32)Width >> 6)) ^
(((UInt32)Height << 7) | ((UInt32)Height >> 25)));
}
///
///
/// Inflates this
///
public void Inflate(float x, float y) {
this.X -= x;
this.Y -= y;
this.Width += 2*x;
this.Height += 2*y;
}
///
/// Inflates this
public void Inflate(SizeF size) {
Inflate(size.Width, size.Height);
}
///
///
/// Creates a
///
// !! Not in C++
public static RectangleF Inflate(RectangleF rect, float x, float y) {
RectangleF r = rect;
r.Inflate(x, y);
return r;
}
/// Creates a Rectangle that represents the intersection between this Rectangle and rect.
///
public void Intersect(RectangleF rect)
{
RectangleF result = RectangleF.Intersect(rect, this);
this.X = result.X;
this.Y = result.Y;
this.Width = result.Width;
this.Height = result.Height;
}
///
/// Creates a rectangle that represents the intersetion between a and
/// b. If there is no intersection, null is returned.
///
public static RectangleF Intersect(RectangleF a, RectangleF b) {
float x1 = Math.Max(a.X, b.X);
float x2 = Math.Min(a.X + a.Width, b.X + b.Width);
float y1 = Math.Max(a.Y, b.Y);
float y2 = Math.Min(a.Y + a.Height, b.Y + b.Height);
if (x2 >= x1
&& y2 >= y1) {
return new RectangleF(x1, y1, x2 - x1, y2 - y1);
}
return RectangleF.Empty;
}
///
/// Determines if this rectangle intersets with rect.
///
public bool IntersectsWith(RectangleF rect) {
return (rect.X < this.X + this.Width) &&
(this.X < (rect.X + rect.Width)) &&
(rect.Y < this.Y + this.Height) &&
(this.Y < rect.Y + rect.Height);
}
///
/// Creates a rectangle that represents the union between a and
/// b.
///
public static RectangleF Union(RectangleF a, RectangleF b) {
float x1 = Math.Min(a.X, b.X);
float x2 = Math.Max(a.X + a.Width, b.X + b.Width);
float y1 = Math.Min(a.Y, b.Y);
float y2 = Math.Max(a.Y + a.Height, b.Y + b.Height);
return new RectangleF(x1, y1, x2 - x1, y2 - y1);
}
///
/// Adjusts the location of this rectangle by the specified amount.
///
public void Offset(PointF pos) {
Offset(pos.X, pos.Y);
}
///
/// Adjusts the location of this rectangle by the specified amount.
///
public void Offset(float x, float y) {
this.X += x;
this.Y += y;
}
/**
* Convert the current rectangle object into
* a GDI+ GPRECTF structure.
*/
internal GPRECTF ToGPRECTF() {
return new GPRECTF(X, Y, Width, Height);
}
///
/// Converts the specified
public static implicit operator RectangleF(Rectangle r) {
return new RectangleF(r.X, r.Y, r.Width, r.Height);
}
///
/// Converts the
public override string ToString() {
return "{X=" + X.ToString(CultureInfo.CurrentCulture) + ",Y=" + Y.ToString(CultureInfo.CurrentCulture) +
",Width=" + Width.ToString(CultureInfo.CurrentCulture) +
",Height=" + Height.ToString(CultureInfo.CurrentCulture) + "}";
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Drawing {
using System.Diagnostics;
using System;
using System.IO;
using Microsoft.Win32;
using System.ComponentModel;
using System.Drawing.Internal;
using System.Globalization;
///
///
/// Stores the location and size of a rectangular region. For
/// more advanced region functions use a
///
[Serializable]
public struct RectangleF {
///
/// Initializes a new instance of the
public static readonly RectangleF Empty = new RectangleF();
private float x;
private float y;
private float width;
private float height;
///
///
/// Initializes a new instance of the
///
public RectangleF(float x, float y, float width, float height) {
this.x = x;
this.y = y;
this.width = width;
this.height = height;
}
///
///
/// Initializes a new instance of the
///
public RectangleF(PointF location, SizeF size) {
this.x = location.X;
this.y = location.Y;
this.width = size.Width;
this.height = size.Height;
}
///
///
/// Creates a new
///
// !! Not in C++ version
public static RectangleF FromLTRB(float left, float top, float right, float bottom) {
return new RectangleF(left,
top,
right - left,
bottom - top);
}
///
///
/// Gets or sets the coordinates of the upper-left corner of
/// the rectangular region represented by this
///
[Browsable(false)]
public PointF Location {
get {
return new PointF(X, Y);
}
set {
X = value.X;
Y = value.Y;
}
}
///
///
/// Gets or sets the size of this
///
[Browsable(false)]
public SizeF Size {
get {
return new SizeF(Width, Height);
}
set {
this.Width = value.Width;
this.Height = value.Height;
}
}
///
///
/// Gets or sets the x-coordinate of the
/// upper-left corner of the rectangular region defined by this
///
public float X {
get {
return x;
}
set {
x = value;
}
}
///
///
/// Gets or sets the y-coordinate of the
/// upper-left corner of the rectangular region defined by this
///
public float Y {
get {
return y;
}
set {
y = value;
}
}
///
///
/// Gets or sets the width of the rectangular
/// region defined by this
///
public float Width {
get {
return width;
}
set {
width = value;
}
}
///
///
/// Gets or sets the height of the
/// rectangular region defined by this
///
public float Height {
get {
return height;
}
set {
height = value;
}
}
///
///
/// Gets the x-coordinate of the upper-left corner of the
/// rectangular region defined by this
///
[Browsable(false)]
public float Left {
get {
return X;
}
}
///
///
/// Gets the y-coordinate of the upper-left corner of the
/// rectangular region defined by this
///
[Browsable(false)]
public float Top {
get {
return Y;
}
}
///
///
/// Gets the x-coordinate of the lower-right corner of the
/// rectangular region defined by this
///
[Browsable(false)]
public float Right {
get {
return X + Width;
}
}
///
///
/// Gets the y-coordinate of the lower-right corner of the
/// rectangular region defined by this
///
[Browsable(false)]
public float Bottom {
get {
return Y + Height;
}
}
///
///
/// Tests whether this
///
[Browsable(false)]
public bool IsEmpty {
get {
return (Width <= 0 )|| (Height <= 0);
}
}
///
///
/// Tests whether
///
public override bool Equals(object obj) {
if (!(obj is RectangleF))
return false;
RectangleF comp = (RectangleF)obj;
return (comp.X == this.X) &&
(comp.Y == this.Y) &&
(comp.Width == this.Width) &&
(comp.Height == this.Height);
}
///
///
/// Tests whether two
///
public static bool operator ==(RectangleF left, RectangleF right) {
return (left.X == right.X
&& left.Y == right.Y
&& left.Width == right.Width
&& left.Height == right.Height);
}
///
///
/// Tests whether two
///
public static bool operator !=(RectangleF left, RectangleF right) {
return !(left == right);
}
///
///
/// Determines if the specfied point is contained within the
/// rectangular region defined by this
///
public bool Contains(float x, float y) {
return this.X <= x &&
x < this.X + this.Width &&
this.Y <= y &&
y < this.Y + this.Height;
}
///
///
/// Determines if the specfied point is contained within the
/// rectangular region defined by this
///
public bool Contains(PointF pt) {
return Contains(pt.X, pt.Y);
}
///
///
/// Determines if the rectangular region represented by
///
///
public bool Contains(RectangleF rect) {
return (this.X <= rect.X) &&
((rect.X + rect.Width) <= (this.X + this.Width)) &&
(this.Y <= rect.Y) &&
((rect.Y + rect.Height) <= (this.Y + this.Height));
}
// !! Not in C++ version
///
/// Gets the hash code for this
public override int GetHashCode() {
return (int)((UInt32)X ^
(((UInt32)Y << 13) | ((UInt32)Y >> 19)) ^
(((UInt32)Width << 26) | ((UInt32)Width >> 6)) ^
(((UInt32)Height << 7) | ((UInt32)Height >> 25)));
}
///
///
/// Inflates this
///
public void Inflate(float x, float y) {
this.X -= x;
this.Y -= y;
this.Width += 2*x;
this.Height += 2*y;
}
///
/// Inflates this
public void Inflate(SizeF size) {
Inflate(size.Width, size.Height);
}
///
///
/// Creates a
///
// !! Not in C++
public static RectangleF Inflate(RectangleF rect, float x, float y) {
RectangleF r = rect;
r.Inflate(x, y);
return r;
}
/// Creates a Rectangle that represents the intersection between this Rectangle and rect.
///
public void Intersect(RectangleF rect)
{
RectangleF result = RectangleF.Intersect(rect, this);
this.X = result.X;
this.Y = result.Y;
this.Width = result.Width;
this.Height = result.Height;
}
///
/// Creates a rectangle that represents the intersetion between a and
/// b. If there is no intersection, null is returned.
///
public static RectangleF Intersect(RectangleF a, RectangleF b) {
float x1 = Math.Max(a.X, b.X);
float x2 = Math.Min(a.X + a.Width, b.X + b.Width);
float y1 = Math.Max(a.Y, b.Y);
float y2 = Math.Min(a.Y + a.Height, b.Y + b.Height);
if (x2 >= x1
&& y2 >= y1) {
return new RectangleF(x1, y1, x2 - x1, y2 - y1);
}
return RectangleF.Empty;
}
///
/// Determines if this rectangle intersets with rect.
///
public bool IntersectsWith(RectangleF rect) {
return (rect.X < this.X + this.Width) &&
(this.X < (rect.X + rect.Width)) &&
(rect.Y < this.Y + this.Height) &&
(this.Y < rect.Y + rect.Height);
}
///
/// Creates a rectangle that represents the union between a and
/// b.
///
public static RectangleF Union(RectangleF a, RectangleF b) {
float x1 = Math.Min(a.X, b.X);
float x2 = Math.Max(a.X + a.Width, b.X + b.Width);
float y1 = Math.Min(a.Y, b.Y);
float y2 = Math.Max(a.Y + a.Height, b.Y + b.Height);
return new RectangleF(x1, y1, x2 - x1, y2 - y1);
}
///
/// Adjusts the location of this rectangle by the specified amount.
///
public void Offset(PointF pos) {
Offset(pos.X, pos.Y);
}
///
/// Adjusts the location of this rectangle by the specified amount.
///
public void Offset(float x, float y) {
this.X += x;
this.Y += y;
}
/**
* Convert the current rectangle object into
* a GDI+ GPRECTF structure.
*/
internal GPRECTF ToGPRECTF() {
return new GPRECTF(X, Y, Width, Height);
}
///
/// Converts the specified
public static implicit operator RectangleF(Rectangle r) {
return new RectangleF(r.X, r.Y, r.Width, r.Height);
}
///
/// Converts the
public override string ToString() {
return "{X=" + X.ToString(CultureInfo.CurrentCulture) + ",Y=" + Y.ToString(CultureInfo.CurrentCulture) +
",Width=" + Width.ToString(CultureInfo.CurrentCulture) +
",Height=" + Height.ToString(CultureInfo.CurrentCulture) + "}";
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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