/// <summary>
/// Saves file to the server.
/// </summary>
/// <param name="sDataString">Posted 64 Bit data string</param>
/// <param name="sFileName">File Name</param>
/// <param name="sUrl">Prefix</param>
/// <param name="bOverwrite">OverWrite</param>
/// <param name="sPrefix">Prefix</param>
/// <param name="sSuffix">Suffix</param>
/// <param name="iWidth">Image Width Size</param>
/// <param name="iHeight">Image Height Size</param>
/// <param name="bThumb">Is Thumbnail</param>
/// <returns>bool</returns>
public bool SaveBase64File(string sDataString, string sFileName, string sUrl, bool bOverwrite, string sPrefix, string sSuffix, int iWidth = 0, int iHeight = 0, bool bThumb = false)
{
// copied from https://gist.github.com/vbfox/484643
var base64Data = Regex.Match(sDataString, @"data:image/(?<type>.+?),(?<data>.+)").Groups["data"].Value;
var binData = Convert.FromBase64String(base64Data);
bool sStatus = false;
string sServerFileUrl = String.Empty;
using (var stream = new MemoryStream(binData))
{
var vImage = Image.FromStream(stream);
int iNewWidth = vImage.Width;
int iNewHeight = vImage.Height;
//Start creating new bitmap with the new dimension.
var vImageBithmap = new Bitmap(iWidth, iHeight);
//Start creating graphic effect for smoothing the file.
var vImageGraph = Graphics.FromImage(vImageBithmap);
vImageGraph.CompositingQuality = CompositingQuality.HighQuality;
vImageGraph.SmoothingMode = SmoothingMode.HighQuality;
//Start creating Rectangle to contain the image.
var vImageRec = new Rectangle(0, 0, iWidth, iHeight);
vImageGraph.DrawImage(vImage, vImageRec);
//Save the image with the new Size.
string sFileUrl = String.Empty;
string sNFileName = String.Empty;
if (bOverwrite)
{
sNFileName = sPrefix + Path.GetFileNameWithoutExtension(sFileName) + sSuffix + Path.GetExtension(sFileName);
sFileUrl = Path.Combine(HttpContext.Current.Server.MapPath(sUrl), sNFileName);
if (File.Exists(sFileUrl))
{
File.Delete(sFileUrl);
}
vImageBithmap.Save(sFileUrl, vImage.RawFormat);
}
else
{
sNFileName = sPrefix + Guid.NewGuid().ToString("N") + sSuffix + Path.GetExtension(sFileName);
sFileUrl = Path.Combine(HttpContext.Current.Server.MapPath(sUrl), sNFileName);
vImageBithmap.Save(sFileUrl, vImage.RawFormat);
}
//Add a new url so the user can get the server url of the file.
sServerFileUrl = sUrl + "/" + sNFileName;
if (bThumb)
{
ThumbUrls.Add(sServerFileUrl);
}
else
{
FileUrls.Add(sServerFileUrl);
}
//Dispose all used objects.
vImageGraph.Dispose();
vImageBithmap.Dispose();
vImage.Dispose();
sStatus = true;
}
return(sStatus);
}
/// <summary>
/// Saves file to the server.
/// </summary>
/// <param name="oFile">Posted FileBase</param>
/// <param name="sUrl">Relative Save Path</param>
/// <param name="iWidth">Image Width Size</param>
/// <param name="iHeight">Image Height Size</param>
/// <param name="bOverwrite">Overwrite</param>
/// <param name="bThumb">Make it as a thumbnail</param>
/// <returns>bool</returns>
public bool SaveFile(HttpPostedFileBase oFile, string sUrl, int iWidth, int iHeight, bool bOverwrite, bool bThumb, string sPrefix = "", string sSuffix = "")
{
try
{
bool sStatus = false;
string sServerFileUrl = String.Empty;
//Check if the filebase has content.
if (oFile != null)
{
//Create the image from filebase to Image Drawing.
var vImage = Image.FromStream(oFile.InputStream);
//Start creating new bitmap with the new dimension.
var vImageBithmap = new Bitmap(iWidth, iHeight);
//Start creating graphic effect for smoothing the file.
var vImageGraph = Graphics.FromImage(vImageBithmap);
vImageGraph.CompositingQuality = CompositingQuality.HighQuality;
vImageGraph.SmoothingMode = SmoothingMode.HighQuality;
//Start creating Rectangle to contain the image.
var vImageRec = new Rectangle(0, 0, iWidth, iHeight);
vImageGraph.DrawImage(vImage, vImageRec);
//Save the image with the new Size.
string sFileUrl = String.Empty;
string sFileName = String.Empty;
if (bOverwrite)
{
sFileName = sPrefix + Path.GetFileNameWithoutExtension(oFile.FileName) + sSuffix + Path.GetExtension(oFile.FileName);
sFileUrl = Path.Combine(HttpContext.Current.Server.MapPath(sUrl), sFileName);
if (File.Exists(sFileUrl))
{
File.Delete(sFileUrl);
}
vImageBithmap.Save(sFileUrl, vImage.RawFormat);
}
else
{
sFileName = sPrefix + Guid.NewGuid().ToString("N") + sSuffix + Path.GetExtension(oFile.FileName);
sFileUrl = Path.Combine(HttpContext.Current.Server.MapPath(sUrl), sFileName);
vImageBithmap.Save(sFileUrl, vImage.RawFormat);
}
//Add a new url so the user can get the server url of the file.
sServerFileUrl = sUrl + "/" + sFileName;
if (bThumb)
{
ThumbUrls.Add(sServerFileUrl);
}
else
{
FileUrls.Add(sServerFileUrl);
}
//Dispose all used objects.
vImageGraph.Dispose();
vImageBithmap.Dispose();
vImage.Dispose();
sStatus = true;
}
return(sStatus);
}
catch (Exception ex)
{
Errors.Add(new Error()
{
Message = ex.Message,
Exception = ex
});
return(false);
}
}
