public void TestImageThumbnail()
{
var originalImageStoreFileInfoFirst = new FileStoreInfo("C:\\按周查看.bmp");
var originalImageStoreFileInfoSecond = new FileStoreInfo()
{
FileNameWithoutExtension = "按周查看",
FileDirectory = "c:\\",
ExtensionName = ".bmp"
};
var thumbnailPropertyFisrt = new ThumbnailProperty()
{
Color = Color.White,
Width = 200,
Height = 200
};
var thumbnailPropertySecond = new ThumbnailProperty()
{
Color = Color.Transparent,
Width = 940,
Height = 360
};
var thumbnailPropertyThird = DefaultThumbnailNameProvider
.GetThumbnailPropertyFromFileName("C:\\按周查看.bmp_thumb_800x400x0xoooooo.png");
var ogrinalFileInfo =
DefaultThumbnailNameProvider.GetOriginalFileNameFromFileName("C:\\按周查看.bmp_thumb_800x400x0xoooooo.png");
ImageUtility.Thumbnail(originalImageStoreFileInfoFirst, thumbnailPropertyFisrt);
ImageUtility.Thumbnail(originalImageStoreFileInfoSecond, thumbnailPropertySecond);
ImageUtility.Thumbnail(originalImageStoreFileInfoSecond, thumbnailPropertyThird);
}
public void ProcessRequest(HttpContext context)
{
var paramsStr = context.Request["params"];
//判断图片是否存在
var physicalPath = context.Request.PhysicalPath;
if (string.IsNullOrEmpty(paramsStr))
{
context.Response.WriteFile(context.Request.PhysicalPath);
return;
}
var thumbProperty = DefaultThumbnailNameProvider.GetThumbnailPropertyFromParamExpression(paramsStr);
if (thumbProperty == null)
{
context.Response.WriteFile(context.Request.PhysicalPath);
return;
}
var defaultThumbnailNameProvider = new DefaultThumbnailNameProvider();
var originalFileInfo = new FileStoreInfo(physicalPath);
var thumbImageFileInfo = defaultThumbnailNameProvider.GetThumbnailFileInfo(originalFileInfo, thumbProperty);
if (!File.Exists(thumbImageFileInfo.FullFileName))
{
ImageUtility.Thumbnail(originalFileInfo, thumbProperty, defaultThumbnailNameProvider);
}
context.Response.ClearHeaders();
context.Response.ContentType = "image/jpeg";
context.Response.Headers.Add("Content-Type", "image/jpeg");
//context.Response.AddHeader("Content-Disposition", "attachment;filename=" + originalFileInfo.FileNameWithExtension);
context.Response.WriteFile(thumbImageFileInfo.FullFileName);
}