BitmapEffectDrawingContextState.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Core / System / Windows / Media / Effects / BitmapEffectDrawingContextState.cs / 1 / BitmapEffectDrawingContextState.cs
                        

                        
                            //---------------------------------------------------------------------------- 
//
// Copyright (c) Microsoft Corporation.  All rights reserved.
//
// File: BitmapEffectDrawingContextState.cs 
//
// Description: This file contains the implementation of BitmapEffectDrawingContextState. 
//              This renders a drawing visual using the BitmapVisualManager 
//
// History: 
//  07/25/2005 : [....] - Created it.
//
//---------------------------------------------------------------------------
 
using System;
using System.Windows.Threading; 
 
using MS.Win32;
using System.Security; 
using System.Security.Permissions;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Media.Composition; 
using System.Windows.Media.Imaging;
using System.Diagnostics; 
using System.Collections; 
using System.Collections.Generic;
using MS.Internal; 
using System.Resources;
using MS.Utility;
using System.Runtime.InteropServices;
using MS.Internal.PresentationCore; 

using SR = MS.Internal.PresentationCore.SR; 
using SRID = MS.Internal.PresentationCore.SRID; 

namespace System.Windows.Media.Effects 
{
    internal class BitmapEffectDrawingContextState : BitmapEffectState
    {
        public DrawingContext Context 
        {
            get { return _visualCtx; } 
        } 

        public BitmapEffectDrawingContextState(BitmapEffect effect, BitmapEffectInput effectInput) 
        {
            _bitmapEffect = effect;
            _bitmapEffectInput = effectInput;
            _visual = new DrawingVisual(); 
            _visualCtx = _visual.RenderOpen();
        } 
 
        /// 
        /// Render the drawing visual, apply the effect to it, and update the world 
        /// transform
        /// 
        /// 
        ///  
        /// 
        internal BitmapSource RenderBitmapEffect(ref Matrix worldTransform, Rect windowClip) 
        { 
            if (_bitmapEffectInput == null)
            { 
                _bitmapEffectInput = new BitmapEffectInput();
            }

            RenderTargetBitmap renderTarget = null; 
            return GetEffectOutput(_visual, ref renderTarget, worldTransform, windowClip, out worldTransform);
        } 
 
        #region Private Fields
 
        DrawingVisual _visual;
        DrawingContext _visualCtx;

        #endregion 
    }
} 

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

Link Menu

Network programming in C#, Network Programming in VB.NET, Network Programming in .NET
This book is available now!
Buy at Amazon US or
Buy at Amazon UK