protected void Page_Load(object sender, System.EventArgs e)
{
try
{
string text = string.Empty;
int maxWidth = 0;
int maxHeight = 0;
if (PicRar.IsQueryString("P", "S"))
{
text = base.Request.QueryString["P"];
}
if (PicRar.IsQueryString("W"))
{
maxWidth = int.Parse(base.Request.QueryString["W"]);
}
if (PicRar.IsQueryString("H"))
{
maxHeight = int.Parse(base.Request.QueryString["H"]);
}
if (!(text == string.Empty))
{
PIC pIC = new PIC();
if (!text.StartsWith("/"))
{
text = "/" + text;
}
text = Globals.ApplicationPath + text;
pIC.SendSmallImage(base.Request.MapPath(text), maxHeight, maxWidth);
string watermarkFilename = base.Request.MapPath(Globals.ApplicationPath + "/Admin/images/watermark.gif");
System.IO.MemoryStream memoryStream = pIC.AddImageSignPic(pIC.OutBMP, watermarkFilename, 9, 60, 4);
pIC.Dispose();
base.Response.ClearContent();
base.Response.ContentType = "image/gif";
base.Response.BinaryWrite(memoryStream.ToArray());
base.Response.End();
memoryStream.Dispose();
}
}
catch (System.Exception ex)
{
this.label_html = ex.Message;
}
}
public void SendSmallImage(string fileName, int maxHeight, int maxWidth)
{
Image image = null;
this._outBmp = null;
Graphics graphics = null;
try
{
image = Image.FromFile(fileName);
Size size = PIC.NewSize(maxWidth, maxHeight, image.Width, image.Height);
this._outBmp = new Bitmap(size.Width, size.Height);
graphics = Graphics.FromImage(this._outBmp);
graphics.CompositingQuality = CompositingQuality.HighQuality;
graphics.SmoothingMode = SmoothingMode.HighQuality;
graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
graphics.DrawImage(image, new Rectangle(0, 0, size.Width, size.Height), 0, 0, image.Width, image.Height, GraphicsUnit.Pixel);
if (graphics != null)
{
graphics.Dispose();
}
}
catch
{
}
finally
{
if (graphics != null)
{
graphics.Dispose();
}
if (image != null)
{
image.Dispose();
}
}
}
public static void SendSmallImage(string fileName, string newFile, int maxHeight, int maxWidth)
{
Image image = null;
Bitmap bitmap = null;
Graphics graphics = null;
try
{
image = Image.FromFile(fileName);
ImageFormat rawFormat = image.RawFormat;
Size size = PIC.NewSize(maxWidth, maxHeight, image.Width, image.Height);
bitmap = new Bitmap(size.Width, size.Height);
graphics = Graphics.FromImage(bitmap);
graphics.CompositingQuality = CompositingQuality.HighQuality;
graphics.SmoothingMode = SmoothingMode.HighQuality;
graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
graphics.DrawImage(image, new Rectangle(0, 0, size.Width, size.Height), 0, 0, image.Width, image.Height, GraphicsUnit.Pixel);
if (graphics != null)
{
graphics.Dispose();
}
EncoderParameters encoderParameters = new EncoderParameters();
long[] value = new long[]
{
100L
};
EncoderParameter encoderParameter = new EncoderParameter(Encoder.Quality, value);
encoderParameters.Param[0] = encoderParameter;
ImageCodecInfo[] imageEncoders = ImageCodecInfo.GetImageEncoders();
ImageCodecInfo imageCodecInfo = null;
for (int i = 0; i < imageEncoders.Length; i++)
{
if (imageEncoders[i].FormatDescription.Equals("JPEG"))
{
imageCodecInfo = imageEncoders[i];
break;
}
}
if (imageCodecInfo != null)
{
bitmap.Save(newFile, imageCodecInfo, encoderParameters);
}
else
{
bitmap.Save(newFile, rawFormat);
}
}
catch
{
}
finally
{
if (graphics != null)
{
graphics.Dispose();
}
if (image != null)
{
image.Dispose();
}
if (bitmap != null)
{
bitmap.Dispose();
}
}
}
