public JsonResult ReadImageFromPath(string path)
{
try
{
WorkingImageExtension = Path.GetExtension(path).ToLower();
byte[] image;
image = GetImageFromServer(path);
WorkingImageId = Guid.NewGuid();
MemoryStream ms = new MemoryStream(image);
Image workingImage = Image.FromStream(ms);
WorkingImage = ImageHelperNew.ImageToByteArray(workingImage);
return(Json(WorkingImageId));
}
catch (Exception ex)
{
string errorMsg = string.Format("Error cropping image: {0}", ex.Message);
Response.StatusCode = 500;
Response.Write(errorMsg);
return(Json(string.Empty));
}
}
/// <summary>
/// Processes the uploaded image.
/// </summary>
/// <param name="uploadedFileMeta">The uploaded file meta.</param>
/// <returns>Image Id</returns>
private Guid ProcessUploadedImage(MediaAssetUploadModel uploadedFileMeta)
{
// Get the file extension
WorkingImageExtension = Path.GetExtension(uploadedFileMeta.Filename).ToLower();
string[] allowedExtensions = { ".png", ".jpeg", ".jpg", ".gif" }; // Make sure it is an image that can be processed
if (allowedExtensions.Contains(WorkingImageExtension))
{
WorkingImageId = Guid.NewGuid();
Image workingImage = new Bitmap(uploadedFileMeta.fileData.InputStream);
WorkingImage = ImageHelperNew.ImageToByteArray(workingImage);
}
else
{
throw new Exception("Cannot process files of this type.");
}
return(WorkingImageId);
}
/// <summary>
/// Modifies an image image.
/// </summary>
/// <param name="x">The x.</param>
/// <param name="y">The y.</param>
/// <param name="w">The w.</param>
/// <param name="h">The h.</param>
/// <param name="modType">Type of the mod. Crop or Resize</param>
/// <returns>New Image Id</returns>
private string ModifyImage(int x, int y, int w, int h, ImageModificationType modType, bool?withextension)
{
ModifiedImageId = Guid.NewGuid();
Image img = ImageHelperNew.ByteArrayToImage(WorkingImage);
int genislik, yukseklik;
if (Session["UploadType"] == null)
{
genislik = Convert.ToInt32(Session["_minwidth2"].ToString());
yukseklik = Convert.ToInt32(Session["_minheight2"].ToString());
}
else
{
genislik = Convert.ToInt32(Session["_minwidth"].ToString());
yukseklik = Convert.ToInt32(Session["_minheight"].ToString());
}
using (System.Drawing.Bitmap _bitmap = new System.Drawing.Bitmap(genislik, yukseklik))
{
_bitmap.SetResolution(img.HorizontalResolution, img.VerticalResolution);
using (Graphics _graphic = Graphics.FromImage(_bitmap))
{
_graphic.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
_graphic.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
_graphic.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.HighQuality;
_graphic.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
if (modType == ImageModificationType.Crop)
{
//_graphic.DrawImage(img, 0, 0, w, h);
//_graphic.DrawImage(img, new Rectangle(0, 0, w, h), x, y, w, h, GraphicsUnit.Pixel);
// Aşağıdaki kodu ben ekliyorum. Crop işleminden sonra resize etmek için..
_graphic.DrawImage(img, new Rectangle(0, 0, genislik, yukseklik), x, y, w, h, GraphicsUnit.Pixel);
}
else if (modType == ImageModificationType.Resize)
{
_graphic.DrawImage(img, 0, 0, img.Width, img.Height);
_graphic.DrawImage(img, new Rectangle(0, 0, W_FixedSize, H_FixedSize), 0, 0, img.Width, 0, GraphicsUnit.Pixel);
}
string extension = WorkingImageExtension;
// If the image is a gif file, change it into png
if (extension.EndsWith("gif", StringComparison.OrdinalIgnoreCase))
{
extension = ".png";
}
using (EncoderParameters encoderParameters = new EncoderParameters(1))
{
encoderParameters.Param[0] = new EncoderParameter(Encoder.Quality, 100L);
ModifiedImage = ImageHelperNew.ImageToByteArray(_bitmap, extension, encoderParameters);
}
}
}
Image CoreppedImg = ImageHelperNew.ByteArrayToImage(ModifiedImage);
//CoreppedImg.Save(Server.MapPath("/Content/images/userfiles/newbig/" + ModifiedImageId + WorkingImageExtension));
//CoreppedImg.Save(Server.MapPath("/Content/images/userfiles/news/" + ModifiedImageId));
if (withextension == false)
{
CoreppedImg.Save(Server.MapPath("/Content/images/userfiles/news/" + ModifiedImageId));
}
else
{
CoreppedImg.Save(Server.MapPath("/Content/images/userfiles/news/" + ModifiedImageId + WorkingImageExtension));
}
return(ModifiedImageId.ToString());
}
