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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
using System.Windows.Automation;
using System.Windows.Controls;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;
/*++
Description:
SOM object that wraps an image on the page. The corresponding markup element can be either an image or
a Path with an ImageBrush
--*/
namespace System.Windows.Documents
{
internal sealed class FixedSOMImage : FixedSOMElement
{
//--------------------------------------------------------------------
//
// Constructors
//
//---------------------------------------------------------------------
#region Constructors
private FixedSOMImage(Rect imageRect, GeneralTransform trans, Uri sourceUri, FixedNode node, DependencyObject o) : base(node, trans)
{
_boundingRect = trans.TransformBounds(imageRect);
_source = sourceUri;
_startIndex = 0;
_endIndex = 1;
_name = AutomationProperties.GetName(o);
_helpText = AutomationProperties.GetHelpText(o);
}
#endregion Constructors
//--------------------------------------------------------------------
//
// Public Methods
//
//---------------------------------------------------------------------
#region Public Methods
public static FixedSOMImage Create(FixedPage page, Image image, FixedNode fixedNode)
{
Uri imageUri = null;
if (image.Source is BitmapImage)
{
BitmapImage imageSource = image.Source as BitmapImage;
imageUri = imageSource.UriSource;
}
else if (image.Source is BitmapFrame)
{
BitmapFrame imageSource = image.Source as BitmapFrame;
imageUri = new Uri(imageSource.ToString(), UriKind.RelativeOrAbsolute);
}
Rect sourceRect = new Rect(image.RenderSize);
GeneralTransform transform = image.TransformToAncestor(page);
return new FixedSOMImage(sourceRect, transform, imageUri, fixedNode, image);
}
public static FixedSOMImage Create(FixedPage page, Path path, FixedNode fixedNode)
{
Debug.Assert(path.Fill is ImageBrush);
ImageSource source = ((ImageBrush)(path.Fill)).ImageSource;
Uri imageUri = null;
if (source is BitmapImage)
{
BitmapImage imageSource = source as BitmapImage;
imageUri = imageSource.UriSource;
}
else if (source is BitmapFrame)
{
BitmapFrame imageSource = source as BitmapFrame;
imageUri = new Uri(imageSource.ToString(), UriKind.RelativeOrAbsolute);
}
Rect sourceRect = path.Data.Bounds;
GeneralTransform trans = path.TransformToAncestor(page);
return new FixedSOMImage(sourceRect, trans, imageUri, fixedNode, path);
}
#if DEBUG
public override void Render(DrawingContext dc, string label, DrawDebugVisual debugVisual)
{
Pen pen = new Pen(Brushes.Yellow, 1);
Rect rect = _boundingRect;
rect.Inflate(5,5);
dc.DrawRectangle(null, pen , rect);
if (label != null && debugVisual == DrawDebugVisual.Paragraphs)
{
base.RenderLabel(dc, label);
}
}
#endif
#endregion Public Methods
//--------------------------------------------------------------------
//
// Internal Properties
//
//---------------------------------------------------------------------
#region Internal Properties
internal Uri Source
{
get { return _source; }
}
internal String Name
{
get { return _name; }
}
internal String HelpText
{
get { return _helpText; }
}
#endregion Internal Properties
//--------------------------------------------------------------------
//
// Private Fields
//
//---------------------------------------------------------------------
#region Private Fields
private Uri _source;
private String _name;
private String _helpText;
#endregion Interanl Fields
}
}
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