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Initial project's source code check-in.

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ptsurbeleu 2011-07-13 16:07:32 -07:00
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WebsitePanel/Sources/WebsitePanel.WebPortal/Code/Adapters/ImageAdapter.cs Normal file
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// Copyright (c) 2011, Outercurve Foundation.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// - Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// - Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// - Neither the name of the Outercurve Foundation nor the names of its
// contributors may be used to endorse or promote products derived from this
// software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
using System;
using System.Data;
using System.Collections;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
namespace CSSFriendly
{
public class ImageAdapter : System.Web.UI.WebControls.Adapters.WebControlAdapter
{
protected override void Render(HtmlTextWriter writer)
{
Image img = Control as Image;
//
if (img != null && Page != null)
{
//
HttpBrowserCapabilities browser = Page.Request.Browser;
//
if (browser.Browser == "IE" &&
(browser.Version == "5.0" || browser.Version == "5.5" || browser.Version == "6.0")
&& !String.IsNullOrEmpty(img.ImageUrl) && img.ImageUrl.ToLower().EndsWith(".png"))
{
// add other attributes
string imageUrl = img.ImageUrl; // save original URL
// change original URL to empty
img.ImageUrl = Page.ClientScript.GetWebResourceUrl(this.GetType(), "WebsitePanel.WebPortal.Code.Adapters.empty.gif");
imageUrl = img.ResolveClientUrl(imageUrl);
img.Attributes["style"] =
String.Format("filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='{0}', sizingMethod='scale');",
imageUrl);
}
}
//
base.Render(writer);
}
}
}