protected void Page_Load(object sender, EventArgs e)
{
string imgPath;
if (Request.QueryString["ImageId"] != null)
{
if (!string.IsNullOrEmpty(Request.QueryString["ImageId"].ToString()))
{
imgPath = Request.QueryString["ImageId"].ToString();
if (!string.IsNullOrEmpty(imgPath))
{
bool grande;
try
{
if (Request.QueryString["img"].ToString() != null)
{
grande = true;
}
else
{
grande = false;
}
}
catch
{
grande = false;
}
if (grande)
{
string aux = "";
aux = imgPath.Substring(0, imgPath.IndexOf("_thumb"));
aux = aux + imgPath.Substring(imgPath.IndexOf("_thumb") + 6, 4);
byte[] imgByte = GetImageByteArr(new Bitmap(aux));
Context.Response.ContentType = "image/gif";
Context.Response.BinaryWrite(imgByte);
}
else
{
byte[] imgByte = GetImageByteArr(new Bitmap(imgPath));
MemoryStream memoryStream = new MemoryStream();
memoryStream.Write(imgByte, 0, imgByte.Length);
System.Drawing.Image imagen = System.Drawing.Image.FromStream(memoryStream);
Response.ContentType = "image/Jpeg";
ImageResize ir = new ImageResize();
ir.File = imagen;
ir.Height = imagen.Size.Height;
ir.Width = imagen.Size.Width;
ir.GetThumbnail().Save(Response.OutputStream, System.Drawing.Imaging.ImageFormat.Jpeg);
}
}
}
}
}
protected void Page_Load(object sender, EventArgs e)
{
string imgPath;
if (Request.QueryString["ImageId"] != null)
{
if (!string.IsNullOrEmpty(Request.QueryString["ImageId"].ToString()))
{
imgPath = Request.QueryString["ImageId"].ToString();
if (!string.IsNullOrEmpty(imgPath))
{
bool grande;
try
{
if (Request.QueryString["img"].ToString() != null)
grande = true;
else
grande = false;
}
catch
{
grande = false;
}
if (grande)
{
string aux = "";
aux = imgPath.Substring(0, imgPath.IndexOf("_thumb"));
aux = aux + imgPath.Substring(imgPath.IndexOf("_thumb") + 6, 4);
byte[] imgByte = GetImageByteArr(new Bitmap(aux));
Context.Response.ContentType = "image/gif";
Context.Response.BinaryWrite(imgByte);
}
else
{
byte[] imgByte = GetImageByteArr(new Bitmap(imgPath));
MemoryStream memoryStream = new MemoryStream();
memoryStream.Write(imgByte, 0, imgByte.Length);
System.Drawing.Image imagen = System.Drawing.Image.FromStream(memoryStream);
Response.ContentType = "image/Jpeg";
ImageResize ir = new ImageResize();
ir.File = imagen;
ir.Height = imagen.Size.Height;
ir.Width = imagen.Size.Width;
ir.GetThumbnail().Save(Response.OutputStream, System.Drawing.Imaging.ImageFormat.Jpeg);
}
}
}
}
}
/// <summary>
/// Retrieves a binary array from the SQL Server database by the use of the
/// <see dbAccess>dbAccess</see>class. Once this binary
/// array is retrtieved from the database, it is written to a memory stream
/// which is then written to the standard Html Response stream, this binary data represents
/// an image from the database, which has been scaled using the fields within this class
/// </summary>
private void Page_Load(object sender, System.EventArgs e)
{
byte[] imageData = null;
MemoryStream ms = null;
System.Drawing.Image fullsizeImage = null;
String imageID = null;
if (!Page.IsPostBack)
{
try
{
// get the ID of the image to retrieve from the database
imageID = Request.QueryString[IMAGE_ID];
imageData = dbAccess.GetImageByID(int.Parse(imageID));
//create an image from the byte array
ms = new MemoryStream(imageData);
fullsizeImage = System.Drawing.Image.FromStream(ms);
Response.ContentType = "image/Jpeg";
ImageResize ir = new ImageResize();
// Load your image and perform any resizing here
ir.File = fullsizeImage;
if (USE_SIZE_FOR_HEIGHT)
{
ir.Height = THUMBNAIL_SIZE;
}
else
{
ir.Width = THUMBNAIL_SIZE;
}
//get the thumbnail
ir.GetThumbnail().Save(Response.OutputStream,
System.Drawing.Imaging.ImageFormat.Jpeg);
}
catch (Exception ex)
{
throw new Exception(ex.Message, ex);
}
finally
{
ms.Close();
}
}
}
