MeasureData.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Core / CSharp / System / Windows / MeasureData.cs / 1305600 / MeasureData.cs
                        

                        
                            //---------------------------------------------------------------------------------------- 
//
// 
//    Copyright (C) Microsoft Corporation.  All rights reserved.
//  
//
// Description: 
//  This file defines a class intended to be passed as a parameter to Measure.  It contains 
//  available size and viewport information.
// 
//-------------------------------------------------------------------------------------

using MS.Internal;
using System; 
using System.Windows.Media;
 
namespace System.Windows 
{
    ///  
    /// Provides all the data we need during the Measure pass (most notably viewport information).  Because of backwards
    /// compat we can't pass it in as a parameter to Measure so it's set as a property on UIElement directly before the call
    /// instead.
    ///  
    internal class MeasureData
    { 
        public MeasureData(Size availableSize, Rect viewport) 
        {
            _availableSize = availableSize; 
            _viewport = viewport;
        }

        public MeasureData(MeasureData data) : this (data.AvailableSize, data.Viewport) 
        {
        } 
 
        public bool HasViewport
        { 
            get
            {
                return Viewport != Rect.Empty;
            } 
        }
 
 
        public bool IsCloseTo(MeasureData other)
        { 
            if (other == null)
            {
                return false;
            } 

            bool isClose = DoubleUtil.AreClose(AvailableSize, other.AvailableSize); 
            isClose &= DoubleUtil.AreClose(Viewport, other.Viewport); 

            return isClose; 
        }


        public Size AvailableSize 
        {
            get 
            { 
                return _availableSize;
            } 

            set
            {
                _availableSize = value; 
            }
        } 
 
        public Rect Viewport
        { 
            get
            {
                return _viewport;
            } 

            set 
            { 
                _viewport = value;
            } 
        }

        private Size _availableSize;
        private Rect _viewport; 
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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