public Image ResizeImage(Image imgToResize, int size, EnumC.Dimensions dimension, string dest)
{
int sourceWidth = imgToResize.Width;
int sourceHeight = imgToResize.Height;
float nPercent = 0;
float nPercentW = 0;
float nPercentH = 0;
switch (dimension)
{
case EnumC.Dimensions.Width:
nPercent = (size / (float)sourceWidth);
break;
default:
nPercent = ((float)size / sourceHeight);
break;
}
var destWidth = (int)(sourceWidth * nPercent);
var destHeight = (int)(sourceHeight * nPercent);
var b = new Bitmap(destWidth, destHeight);
var g = Graphics.FromImage(b);
//g.SmoothingMode = SmoothingMode.HighQuality;
//g.InterpolationMode = InterpolationMode.HighQualityBicubic;
//g.DrawImage(imgToResize, 0, 0, destWidth, destHeight);
//g.Dispose();
g.CompositingQuality = CompositingQuality.HighQuality;
g.SmoothingMode = SmoothingMode.HighQuality;
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.DrawImage(imgToResize, 0, 0, destWidth, destHeight);
b.Save(dest, imgToResize.RawFormat);
g.Dispose();
b.Dispose();
// imgToResize.Dispose();
return(b);
}
public string UploadPicResize(
IFormFile file,
string path,
int maxPicWidth,
ref long serverFileSize,
int[] size,
EnumC.Dimensions dimension,
ref string[] resized
)
{
var image = Image.FromStream(file.OpenReadStream(), true, true);
var allowedMimeType = new[] { "image/png", "image/x-png", "image/pjpeg", "image/jpeg", "image/gif" };
var serverfileName = "";
var webroot = _hostingEnvironment.WebRootPath;
path = webroot + path;
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
int result = 0; //Failor Flag
if (file != null && file.Length != 0)
{
var a = file.OpenReadStream();
var filePath = "";
var userFileName = file.FileName;
if (IsExtensionAllowed(allowedMimeType, file.ContentType))
{
var r = new Random();
if (File.Exists(Path.Combine(path, userFileName)))
{
string newstr;
do
{
int randomnumber = r.Next(1, 10);
newstr = string.Concat(DateTime.Now.ToShortPersianDateString().Replace("/", ""), randomnumber,
userFileName.Replace(" ", ""));
} while (File.Exists(path + newstr));
filePath = Path.Combine(path, newstr);
if (image.Width > maxPicWidth)
{
var resizedImg = ResizeImage(image, maxPicWidth, EnumC.Dimensions.Width, filePath);
// resizedImg.Save(filePath);
}
else
{
using (var fileStream = new FileStream(filePath, FileMode.Create))
{
file.CopyTo(fileStream);
}
}
serverfileName = newstr;
serverFileSize = file.Length / 1024; //Save server file size in KB
}
else
{
filePath = Path.Combine(path, userFileName.Replace(" ", ""));
if (image.Width > maxPicWidth)
{
var resizedImg = ResizeImage(image, maxPicWidth, EnumC.Dimensions.Width, filePath);
// resizedImg.Save(filePath);
}
else
{
using (var fileStream = new FileStream(filePath, FileMode.Create))
{
file.CopyTo(fileStream);
}
}
serverfileName = userFileName.Replace(" ", "");
serverFileSize = file.Length / 1024; //Save server file size in KB
}
for (int i = 0; i < size.Length; i++)
{
resized[i] = ResizeImage(image, serverfileName, path, size[i], EnumC.Dimensions.Width);
}
return(serverfileName);
}
throw new Exception("unexpected extension in upload Service");
}
throw new Exception("No File were selected in upload Service");
}
public string ResizeImage(Image imgToResize, string fileName, string path, int size, EnumC.Dimensions dimension)
{
string dest = path + "/" + size;
if (!Directory.Exists(dest))
{
Directory.CreateDirectory(dest);
}
var sourceWidth = imgToResize.Width;
var sourceHeight = imgToResize.Height;
float nPercent = 0;
switch (dimension)
{
case EnumC.Dimensions.Width:
nPercent = ((float)size / sourceWidth);
break;
case EnumC.Dimensions.Height:
break;
default:
nPercent = (size / (float)sourceHeight);
break;
}
var destWidth = (int)(sourceWidth * nPercent);
var destHeight = (int)(sourceHeight * nPercent);
var b = new Bitmap(destWidth, destHeight);
var g = Graphics.FromImage(b);
g.CompositingQuality = CompositingQuality.HighQuality;
g.SmoothingMode = SmoothingMode.HighQuality;
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.DrawImage(imgToResize, 0, 0, destWidth, destHeight);
b.Save(dest + "/" + fileName, imgToResize.RawFormat);
g.Dispose();
b.Dispose();
imgToResize.Dispose();
return(fileName);
}
/// <summary>
/// This method used to resize images and like resizefile method, but this has most quality
/// </summary>
/// <param name="path"></param>
/// <param name="size">determinde a int for width/height of image and set its height/width proportion to width/height</param>
/// <param name="dimension">dimension determine size for width or height</param>
/// <param name="fileName"></param>
/// <returns></returns>
public string ResizeImage(string fileName, string path, string album, int size, EnumC.Dimensions dimension)
{
var strAddress = _hostingEnvironment.WebRootPath + "/" + path + "/" + fileName;
if (!File.Exists(strAddress))
{
return("no Exist"); // not exist source file
}
string dest = _hostingEnvironment.WebRootPath + "/" + path + "/" + album + "/" + size;
if (!Directory.Exists(dest))
{
Directory.CreateDirectory(dest);
}
Stream st = new FileStream(strAddress, FileMode.Open);
var imgToResize = Image.FromStream(st);
st.Close();
st.Dispose();
var sourceWidth = imgToResize.Width;
var sourceHeight = imgToResize.Height;
float nPercent = 0;
switch (dimension)
{
case EnumC.Dimensions.Width:
nPercent = ((float)size / sourceWidth);
break;
case EnumC.Dimensions.Height:
break;
default:
nPercent = (size / (float)sourceHeight);
break;
}
var destWidth = (int)(sourceWidth * nPercent);
var destHeight = (int)(sourceHeight * nPercent);
var b = new Bitmap(destWidth, destHeight);
var g = Graphics.FromImage(b);
g.CompositingQuality = CompositingQuality.HighQuality;
g.SmoothingMode = SmoothingMode.HighQuality;
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.DrawImage(imgToResize, 0, 0, destWidth, destHeight);
b.Save(dest + "/" + album + ".jpg", imgToResize.RawFormat);
g.Dispose();
b.Dispose();
imgToResize.Dispose();
return(album + ".jpg");
}