private void compressFile(string fname)
{
byte[] photoBytes = File.ReadAllBytes(fname);
int quality = 70;
ImageProcessor.Imaging.Formats.ISupportedImageFormat format = new ImageProcessor.Imaging.Formats.JpegFormat();
Size size = new Size(800, 600);
using (MemoryStream inStream = new MemoryStream(photoBytes)) {
using (MemoryStream outStream = new MemoryStream()) {
using (ImageFactory imageFactory = new ImageFactory()) {
// Load, resize, set the format and quality and save an image.
imageFactory.Load(inStream)
//.Resize(size)
.Format(format)
.Quality(quality)
.Resolution(100, 100)
.Save(outStream);
FileStream file = new FileStream(fname, FileMode.Create, FileAccess.Write);
outStream.WriteTo(file);
file.Close();
outStream.Close();
}
// Do something with the stream.
}
}
}
public bool CreateThumbnail2(string thumbnailFolder, string filename)
{
if (!Directory.Exists(thumbnailFolder))
{
return(false);
}
if (!File.Exists(filename))
{
return(false);
}
FileInfo fInfo = new FileInfo(filename);
string namePart = fInfo.Name.Replace(fInfo.Extension, "");
try
{
ImageProcessor.ImageFactory mFact = new ImageProcessor.ImageFactory();
ImageProcessor.Imaging.Formats.JpegFormat format = new ImageProcessor.Imaging.Formats.JpegFormat();
format.Quality = 100;
mFact.Load(filename).Resize(new Size(300, 300)).Format(format).BackgroundColor(Color.White).Save(thumbnailFolder + @"\" + namePart + ".jpg");
return(true);
}
catch { return(false); }
}
public static string StoreImage(HttpPostedFileBase image)
{
// Read a file and resize it.
//byte[] photoBytes = File.ReadAllBytes(file);
int quality = 70;
var format = new ImageProcessor.Imaging.Formats.JpegFormat();
Size size = new Size(300, 0);
using (var imageStream = new MemoryStream())
{
image.InputStream.CopyTo(imageStream);
imageStream.Position = 0;
using (var resizeImageStream = new MemoryStream())
{
using (ImageFactory imageFactory = new ImageFactory())
{
// Load, resize, set the format and quality and save an image.
imageFactory.Load(imageStream)
.Resize(size)
.Format(format)
.Quality(quality)
.Save(resizeImageStream);
}
using (var client = Amazon.AWSClientFactory.CreateAmazonS3Client(accessKey, secretKey, Amazon.RegionEndpoint.USWest2))
{
var newFileName = getUniqueName(image.FileName);
var request = new PutObjectRequest();
request.BucketName = _bucketName;
request.CannedACL = S3CannedACL.PublicRead;
// Save Resize version to folder "thumb"
request.Key = $"thumb/{newFileName}";
request.InputStream = resizeImageStream;
var resp = client.PutObject(request);
// Save Original version to root folder
request.Key = newFileName;
request.InputStream = imageStream;
client.PutObject(request);
if (resp.HttpStatusCode == System.Net.HttpStatusCode.OK)
{
return(getFullName(newFileName));
}
return(null);
}
}
}
}
/// <summary>Crops original image from the stream to the specific width and heigth.</summary>
/// <param name="imageStream">Original image stream.</param>
/// <param name="width">Width.</param>
/// <param name="height">Height.</param>
/// <returns>Cropped image bytes.</returns>
public byte[] CropImage(Stream imageStream, int width, int height)
{
byte[] imageBytes;
using (var outStream = new MemoryStream())
{
using (var imageFactory = new ImageFactory())
{
var format = new ImageProcessor.Imaging.Formats.JpegFormat();
var size = new Size(width, height);
// sets Crop, but u can use Stretch for example
imageFactory.Load(imageStream).Resize(new ResizeLayer(size, ResizeMode.Crop)).Format(format).Save(outStream);
}
imageBytes = outStream.ToArray();
}
return(imageBytes);
}
//converting graphic files, the names of which are specified in the FileNames array into the ResultDirectory directory.
public static bool ConvertPhotos(ItemCollection FileNames, string ResultDirectory, IProgress <int> progress)
{
System.Drawing.Size MainPic, StandartPic, SmallPic;
ImageProcessor.Imaging.Formats.ISupportedImageFormat newformat;
StandartPic = new System.Drawing.Size(PicsConfig.StandartPicWidth, PicsConfig.StandartPicHeight);
MainPic = new System.Drawing.Size(PicsConfig.MainPicWidth, PicsConfig.MainPicHeight);
SmallPic = new System.Drawing.Size(PicsConfig.SmallPicWidth, PicsConfig.SmallPicHeight);
newformat = new ImageProcessor.Imaging.Formats.JpegFormat();
using (ImageFactory Image_Factory = new ImageFactory(preserveExifData: true))
{
for (int Index = 0; Index < FileNames.Count; ++Index)
{
Image_Factory.Load(FileNames[Index].ToString());
Image_Factory.Resize(StandartPic);
Image_Factory.BackgroundColor(System.Drawing.Color.White);
Image_Factory.Format(newformat);
Image_Factory.Quality(100);
Image_Factory.Save(ResultDirectory + "\\" + (Index + 1).ToString("D4") + ".jpg");
if (Index == 0)
{
Image_Factory.Resize(MainPic);
Image_Factory.BackgroundColor(System.Drawing.Color.White);
Image_Factory.Save(ResultDirectory + "\\" + (Index + 1).ToString("D4") + "_f.jpg");
}
Image_Factory.Resize(SmallPic);
Image_Factory.BackgroundColor(System.Drawing.Color.White);
Image_Factory.Save(ResultDirectory + "\\" + (Index + 1).ToString("D4") + "_sm.jpg");
progress.Report(Index + 1);
}
}
MessageBox.Show("Image conversion is completed", "Information!", MessageBoxButton.OK, MessageBoxImage.Information);
return(true);
}
private void ResizeRotateImg(string fname)
{
// determine image format
ImageFormat img_format = (fname.ToLower().Contains(".jpg") || fname.ToLower().Contains(".jpeg")) ? ImageFormat.Jpeg : ImageFormat.Png;
// rotate the image if needed, and save it back out to the file
using (System.Drawing.Image myImage = System.Drawing.Image.FromFile(fname))
{
if (myImage.PropertyIdList.Contains(0x0112))
{
int rotationValue = myImage.GetPropertyItem(0x0112).Value[0];
switch (rotationValue)
{
case 1: // landscape, do nothing
break;
case 8: // rotated 90 right, so de-rotate
myImage.RotateFlip(rotateFlipType: RotateFlipType.Rotate270FlipNone);
myImage.Save(fname, img_format);
break;
case 3: // bottoms up
myImage.RotateFlip(rotateFlipType: RotateFlipType.Rotate180FlipNone);
myImage.Save(fname, img_format);
break;
case 6: // rotated 90 left
myImage.RotateFlip(rotateFlipType: RotateFlipType.Rotate90FlipNone);
myImage.Save(fname, img_format);
break;
}
}
}
// read the image into a buffer
byte[] photoBytes = System.IO.File.ReadAllBytes(fname);
int quality = 80;
ImageProcessor.Imaging.Formats.ISupportedImageFormat format;
if (img_format == ImageFormat.Jpeg)
{
format = new ImageProcessor.Imaging.Formats.JpegFormat {
Quality = 70
};
}
else
{
format = new ImageProcessor.Imaging.Formats.PngFormat {
};
}
Size size = new Size(300, 0);
using (MemoryStream inStream = new MemoryStream(photoBytes))
{
using (MemoryStream outStream = new MemoryStream())
{
using (ImageFactory imageFactory = new ImageFactory())
{
// Load, resize, set the format and quality and save an image.
imageFactory.Load(inStream).Resize(size).Format(format).Quality(quality).Save(outStream);
System.IO.File.Delete(fname);
using (FileStream file = new FileStream(fname, FileMode.Create, System.IO.FileAccess.Write))
{
byte[] bytes = new byte[outStream.Length];
outStream.Read(bytes, 0, (int)outStream.Length);
file.Write(bytes, 0, bytes.Length);
outStream.Close();
}
}
}
}
}
