public void ResizeImage(string _path, IFormFile uploadedFile, string file_name, int desiredWidth, int desiredHeight)
{
string webroot = _path;
try
{
if (uploadedFile.Length > 0)
{
using (var stream = uploadedFile.OpenReadStream())
{
var uploadedImage = System.Drawing.Image.FromStream(stream);
//decide how to scale dimensions
if (desiredHeight == 0 && desiredWidth > 0)
{
var img = ImageResize.ScaleByWidth(uploadedImage, desiredWidth); // returns System.Drawing.Image file
img.SaveAs(Path.Combine(webroot, file_name));
}
else if (desiredWidth == 0 && desiredHeight > 0)
{
var img = ImageResize.ScaleByHeight(uploadedImage, desiredHeight); // returns System.Drawing.Image file
img.SaveAs(Path.Combine(webroot, file_name));
}
else
{
var img = ImageResize.Scale(uploadedImage, desiredWidth, desiredHeight); // returns System.Drawing.Image file
img.SaveAs(Path.Combine(webroot, file_name));
}
}
}
}
catch { }
return;
}
public async Task <UserPhoto> AddPhoto(IFormFile file)
{
if (file.Length > 0)
{
var uploadsFolderPath = Path.Combine(host.ContentRootPath, "wwwroot/uploads");
if (!Directory.Exists(uploadsFolderPath))
{
Directory.CreateDirectory(uploadsFolderPath);
}
var fileName = Guid.NewGuid().ToString() + Path.GetExtension(file.FileName);
var filePath = Path.Combine(uploadsFolderPath, fileName);
using (var stream = file.OpenReadStream())
{
var uploadedImage = Image.FromStream(stream);
var imageWidth = uploadedImage.Width < 800?uploadedImage.Width:800;
var img = ImageResize.ScaleByWidth(uploadedImage, imageWidth);
img.SaveAs(filePath);
await stream.DisposeAsync();
}
var UserPhoto = new UserPhoto
{
ImageFullPath = filePath,
ImageUrl = fileName
};
return(UserPhoto);
}
throw new RestException(HttpStatusCode.BadRequest, new { UserPhoto = "Please select an image file" });
}
public void CreateScaledImage(Image image, string path, int width, int height = 0)
{
if (height > 0)
{
var finalImage = ImageResize.Scale(image, width, height);
finalImage.SaveAs(path);
}
else
{
var finalImage = ImageResize.ScaleByWidth(image, width);
finalImage.SaveAs(path);
}
}
public async Task <IActionResult> Get(string NewsID, string Size, string ImageName)
{
string str = "";
bool isSeek = false;
var req = new ThumbnailRequest();
//req.RequestedPath = ImageName;
req.ThumbnailSize = ParseSize(Size);
req.SourceImagePath = GetPhysicalPath(NewsID + "/" + ImageName);
if (IsSourceImageExists(req))
{
using (Image img = Image.FromFile(req.SourceImagePath))
{
try
{
Image file = null;
str = "Width: " + req.ThumbnailSize.Value.Width + " Height: " + req.ThumbnailSize.Value.Height;
if (req.ThumbnailSize.Value.Height >= req.ThumbnailSize.Value.Width)
{
file = ImageResize.ScaleByHeight(img, req.ThumbnailSize.Value.Height);
}
str = "2 Width: " + req.ThumbnailSize.Value.Width + " Height: " + req.ThumbnailSize.Value.Height;
if (req.ThumbnailSize.Value.Width > req.ThumbnailSize.Value.Height)
{
file = ImageResize.ScaleByWidth(img, req.ThumbnailSize.Value.Width);
}
str = "3 Width: " + req.ThumbnailSize.Value.Width + " Height: " + req.ThumbnailSize.Value.Height;
file = ImageResize.ScaleAndCrop(file, req.ThumbnailSize.Value.Width, req.ThumbnailSize.Value.Height, TargetSpot.Center);
str = "4 Width: " + req.ThumbnailSize.Value.Width + " Height: " + req.ThumbnailSize.Value.Height;
Stream outputStream = new MemoryStream();
file.Save(outputStream, System.Drawing.Imaging.ImageFormat.Jpeg);
outputStream.Seek(0, SeekOrigin.Begin);
str = "5 Width: " + req.ThumbnailSize.Value.Width + " Height: " + req.ThumbnailSize.Value.Height;
return(this.File(outputStream, "image/png"));
}
catch (Exception ex)
{
return(NotFound(str + " " + ex.Message + " inner " + Convert.ToString(ex.InnerException)));
}
}
}
return(NotFound());
}
public byte[] ResizeImage(byte[] file, int desiredWidth)
{
if (file.Length > 0)
{
using (var stream = new MemoryStream(file))
{
var image = System.Drawing.Image.FromStream(stream);
var scaledImage = ImageResize.ScaleByWidth(image, desiredWidth);
using (var ms = new MemoryStream())
{
scaledImage.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
return(ms.ToArray());
}
}
}
else
{
return(null);
}
}
public static byte[] SignatureImage(byte[] byteImage, int width)
{
using (var ms = new MemoryStream(byteImage))
{
var image = Image.FromStream(ms);
if (image.Width < width)
{
width = image.Width;
}
var newImg = ImageResize.ScaleByWidth(image, width);
//add text watermark
newImg.TextWatermark("RxFarmcias.com",
"#77ffffff", //text color hex8 value, 77 is opacity (00-FF)
"#22000000", //background color, 22 is for opacity (00-FF)
"Calibri", //font family
34, //font size
TargetSpot.BottomLeft, //target spot to place text watermark text
FontStyle.Italic, //font style
10); //bg margin from border
image.Dispose();
return(ImageToByteArray(newImg));
}
}
