public ActionResult Resize(string url, int width, int height, bool?preserverAspectRatio, int?quality)
{
if (string.IsNullOrEmpty(url))
{
throw new ArgumentNullException(url);
}
url = HttpUtility.UrlDecode(url);
var index = url.IndexOf("?");
if (index != -1)
{
url = url.Substring(0, index);
}
var imageFullPath = Server.MapPath(url);
preserverAspectRatio = preserverAspectRatio ?? true;
quality = quality ?? 80;
//var cachingPath = GetCachingFilePath(imageFullPath, width, height, preserverAspectRatio.Value, quality.Value);
var imageFormat = ImageTools.ConvertToImageFormat(Path.GetExtension(imageFullPath));
MemoryStream ms = new MemoryStream();
using (FileStream fs = new FileStream(imageFullPath, FileMode.Open, FileAccess.Read))
{
ImageTools.ResizeImage(fs, ms, imageFormat, width, height, preserverAspectRatio.Value, quality.Value);
ms.Position = 0;
}
return(File(ms, IOUtility.MimeType(imageFullPath)));
}
public ActionResult Preview(string imagePath, string rotateTypes)
{
var physicalPath = Server.MapPath(HttpUtility.UrlDecode(imagePath));
var imageFormat = ImageTools.ConvertToImageFormat(Path.GetExtension(physicalPath));
Stream imageStream = new MemoryStream();
Stream outputStream = new MemoryStream();
try
{
imageStream = RotateImage(rotateTypes, physicalPath, imageFormat);
ImageTools.ResizeImage(imageStream, outputStream, imageFormat, 600, 0, true, 80);
outputStream.Position = 0;
return(File(outputStream, IOUtility.MimeType(physicalPath)));
}
finally
{
if (imageStream != null)
{
imageStream.Close();
imageStream.Dispose();
}
}
}
public ActionResult Preview(string folderName, string uuid, string rotateTypes)
{
//var physicalPath = Server.MapPath(HttpUtility.UrlDecode(imagePath));
var mediaFolder = FolderHelper.Parse <MediaFolder>(Repository, folderName);
var mediaContent = mediaFolder.CreateQuery().WhereEquals("UUID", uuid).FirstOrDefault();
var provider = Kooboo.CMS.Content.Persistence.Providers.DefaultProviderFactory.GetProvider <IMediaContentProvider>();
var data = provider.GetContentStream(mediaContent);
var imageFormat = ImageTools.ConvertToImageFormat(Path.GetExtension(mediaContent.VirtualPath));
Stream imageStream = new MemoryStream();
Stream outputStream = new MemoryStream();
try
{
using (var rawImage = new MemoryStream(data))
{
imageStream = RotateImage(rotateTypes, rawImage, imageFormat);
ImageTools.ResizeImage(imageStream, outputStream, imageFormat, 600, 0, true, 80);
outputStream.Position = 0;
return(File(outputStream, IOUtility.MimeType(mediaContent.VirtualPath)));
}
}
finally
{
if (imageStream != null)
{
imageStream.Close();
imageStream.Dispose();
}
}
}
/// <summary>
/// Resizes the image.
/// </summary>
/// <param name="url">The URL.</param>
/// <param name="width">The width.</param>
/// <param name="height">The height.</param>
/// <param name="preserverAspectRatio">The preserver aspect ratio.保持比例</param>
/// <param name="quality">The quality.</param>
/// <returns></returns>
public virtual ActionResult ResizeImage(string url, int width, int height, bool?preserverAspectRatio, int?quality)
{
if (string.IsNullOrEmpty(url))
{
throw new ArgumentNullException(url);
}
if (!ImageTools.IsImageExtension(Path.GetExtension(url)))
{
throw new HttpException(403, "");
}
url = HttpUtility.UrlDecode(url);
var index = url.IndexOf("?");
if (index != -1)
{
url = url.Substring(0, index);
}
preserverAspectRatio = preserverAspectRatio ?? true;
quality = quality ?? 80;
if (url.StartsWith("http://") || url.StartsWith("https://"))
{
//now no image cache for azure blob
var provider = Kooboo.CMS.Content.Persistence.Providers.DefaultProviderFactory.GetProvider <Kooboo.CMS.Content.Persistence.IMediaContentProvider>();
var mediaContent = new MediaContent()
{
VirtualPath = url
};
var data = provider.GetContentStream(mediaContent);
if (data != null)
{
using (var imageStream = new MemoryStream(data))
{
var imageFormat = ImageTools.ConvertToImageFormat(Path.GetExtension(mediaContent.VirtualPath));
Stream outStream = new MemoryStream();
ImageTools.ResizeImage(imageStream, outStream, imageFormat, width, height, preserverAspectRatio.Value, quality.Value);
outStream.Position = 0;
return(File(outStream, IOUtility.MimeType(url)));
}
}
else
{
return(null);
}
}
else
{
var imageFullPath = Server.MapPath(url);
var cachingPath = GetCachingFilePath(imageFullPath, width, height, preserverAspectRatio.Value, quality.Value);
if (!System.IO.File.Exists(cachingPath))
{
if (!System.IO.File.Exists(cachingPath))
{
var dir = Path.GetDirectoryName(cachingPath);
IOUtility.EnsureDirectoryExists(dir);
var success = ImageTools.ResizeImage(imageFullPath, cachingPath, width, height, preserverAspectRatio.Value, quality.Value);
if (!success)
{
cachingPath = imageFullPath;
}
}
}
SetCache(HttpContext.Response, 2592000, "*");
return(File(cachingPath, IOUtility.MimeType(imageFullPath)));
}
}
public virtual ActionResult EditImage(string folderName, string uuid, [System.Web.Mvc.Bind(Prefix = "Crop")] ImageCropModel cropModel,
[System.Web.Mvc.Bind(Prefix = "Scale")] ImageScaleModel scaleModel, string rotateTypes, string @return)
{
var mediaFolder = FolderHelper.Parse <MediaFolder>(Repository.Current, folderName);
var mediaContent = mediaFolder.CreateQuery().WhereEquals("UUID", uuid).FirstOrDefault();
JsonResultData data = new JsonResultData(ModelState);
Stream targetStream = new MemoryStream();
MemoryStream resizedImage = new MemoryStream();
Stream imageStream = new MemoryStream();
int width = 0, height = 0;
try
{
ImageFormat imageFormat = ImageTools.ConvertToImageFormat(Path.GetExtension(mediaContent.PhysicalPath));
imageStream = RotateImage(rotateTypes, mediaContent.PhysicalPath, imageFormat);
if (cropModel != null && cropModel.X.HasValue && cropModel.Width.Value > 0 && cropModel.Height.Value > 0)
{
ImageTools.CropImage(imageStream, targetStream, imageFormat, cropModel.X.Value, cropModel.Y.Value, cropModel.Width.Value, cropModel.Height.Value);
targetStream.Position = 0;
}
else
{
targetStream = imageStream;
}
if (scaleModel != null && scaleModel.Height.HasValue && scaleModel.Width.HasValue)
{
ImageTools.ResizeImage(targetStream, resizedImage, imageFormat, scaleModel.Width.Value, scaleModel.Height.Value, scaleModel.PreserveAspectRatio, scaleModel.Quality ?? 80);
resizedImage.Position = 0;
targetStream = resizedImage;
}
Image image = Image.FromStream(targetStream);
width = image.Width;
height = image.Height;
targetStream.Position = 0;
ServiceFactory.MediaContentManager.Update(Repository.Current, mediaFolder, uuid, mediaContent.FileName, targetStream, User.Identity.Name);
image.Dispose();
targetStream.Close();
//data.ClosePopup = true;
//data.AddMessage("The image has been changed.".Localize());
}
catch (Exception e)
{
data.AddException(e);
}
finally
{
if (targetStream != null)
{
targetStream.Close();
targetStream.Dispose();
targetStream = null;
}
if (resizedImage != null)
{
resizedImage.Close();
resizedImage.Dispose();
resizedImage = null;
}
if (imageStream != null)
{
imageStream.Close();
imageStream.Dispose();
imageStream = null;
}
}
data.Model = new { Width = width, Height = height };
data.RedirectToOpener = false;
data.ReloadPage = true;
return(Json(data));
}