/// <summary>
/// A RaisePostBackEvent.
/// </summary>
/// <param name="eventArgument">eventArgument</param>
public new void RaisePostBackEvent(String eventArgument)
{
// Create the new name
var tempFileName = ParentImageEditor.GetTempFileName();
var job = new ImageJob(ParentImageEditor.WorkFile);
ParentImageEditor.ImageHeight = job.Image.Height;
ParentImageEditor.ImageWidth = job.Image.Width;
if ((ParentImageEditor.Selection.X1 > 0 && ParentImageEditor.Selection.Y1 > 0) || (ParentImageEditor.Selection.X2 > 0 && ParentImageEditor.Selection.Y2 > 0))
{
float factor;
float.TryParse(eventArgument, out factor);
job.Zoom(ParentImageEditor.Selection.X1, ParentImageEditor.Selection.Y1, factor);
PerformSave(job, tempFileName);
}
else
{
Page.RegisterStartupScript(tempFileName, "<script language='javascript'>alert('Please click on the image to set the center point.');</script>");
job.Dispose();
}
OnClick(EventArgs.Empty);
}
private void Page_Load(object sender, System.EventArgs e)
{
//Set the content type
Response.ContentType = "image/jpeg";
ImageJob job;
try
{
string file = Request.QueryString["file"];
job = new ImageJob(Server.MapPath(file));
// Process the image
foreach (string command in Request.QueryString.Keys)
{
// Tolerance is a vertue.
string commandUC = command.ToUpper();
// Parameters container.
string values = string.Empty;
// Add text
if (commandUC.StartsWith("TEXT"))
{
values = Request.QueryString[command];
string[] prms = values.Split(';');
// We need some explicit conversion here.
FontStyle fontStyle = (FontStyle)Enum.Parse(typeof(FontStyle), prms[3], true);
StringAlignment alignment = (StringAlignment)Enum.Parse(typeof(StringAlignment), prms[8], true);;
job.AddText(prms[0], prms[1], Convert.ToInt32(prms[2]), fontStyle,
Color.FromName(prms[4]), Convert.ToBoolean(prms[5]),
Convert.ToInt32(prms[6]), Convert.ToInt32(prms[7]), alignment);
}
else if (commandUC.StartsWith("ROTATE"))
{
values = Request.QueryString[command];
if (values.ToUpper() == "LEFT")
{
job.RotateLeft();
}
else if (values.ToUpper() == "RIGHT")
{
job.RotateRight();
}
else
{
job.Rotate(float.Parse(values));
}
}
else if (commandUC.StartsWith("FLIP"))
{
values = Request.QueryString[command];
if (values.ToUpper().StartsWith("HORI"))
{
job.Flip(FlipType.Horizontal);
}
else if (values.ToUpper().StartsWith("VERT"))
{
job.Flip(FlipType.Vertical);
}
else if (values.ToUpper().StartsWith("BOTH"))
{
job.Flip(FlipType.Both);
}
}
else if (commandUC.StartsWith("CROP"))
{
values = Request.QueryString[command];
Selection selection = new Selection(values.Replace(";", ","));
job.Crop(selection);
}
else if (commandUC.StartsWith("RESIZE"))
{
values = Request.QueryString[command];
string[] prms = values.Split(';');
job.ResizeImage(Convert.ToInt32(prms[0]), Convert.ToInt32(prms[1]),
Convert.ToBoolean(prms[2]), Convert.ToBoolean(prms[3]));
}
else if (commandUC.StartsWith("CANVAS"))
{
values = HttpUtility.UrlDecode(Request.QueryString[command]);
string[] prms = values.Split(';');
// We need some explicit conversion here.
AnchorType anchor = (AnchorType)Enum.Parse(typeof(AnchorType), prms[2], true);
job.ResizeCanvas(Convert.ToInt32(prms[0]), Convert.ToInt32(prms[1]),
anchor, System.Drawing.Color.FromName(prms[3]));
}
else if (commandUC.StartsWith("ZOOM"))
{
values = Request.QueryString[command];
string[] prms = values.Split(';');
job.Zoom(Convert.ToInt32(prms[0]), Convert.ToInt32(prms[1]),
float.Parse(prms[2]));
}
}
// Send the data to the browser
job.Save(Response.OutputStream, FileCompression.CCITT3, 70, FileFormat.Jpeg);
}
catch
{
Bitmap bitMapImage = new System.Drawing.Bitmap(300, 100, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
Graphics graphicImage = Graphics.FromImage(bitMapImage);
graphicImage.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
SolidBrush drawBrush = new SolidBrush(System.Drawing.Color.Red);
StringFormat stringFormat = new StringFormat();
stringFormat.Alignment = StringAlignment.Center;
graphicImage.DrawString("Invalid parameters!", new Font("Arial", 23, FontStyle.Bold), drawBrush, new Point(150, 30), stringFormat);
bitMapImage.Save(Response.OutputStream, System.Drawing.Imaging.ImageFormat.Jpeg);
graphicImage.Dispose();
bitMapImage.Dispose();
}
}