static public string ResizeImageH(string image, int maxHeight, string destinationPath)
{
if (string.IsNullOrEmpty(image))
{
return(image);
}
var result = string.Empty;
byte[] rebin = Convert.FromBase64String(image);
var tempFileName = Path.Combine(Path.GetDirectoryName(destinationPath), $"{Guid.NewGuid()}.jpg");
using (FileStream fs2 = new FileStream(tempFileName, FileMode.Create))
using (BinaryWriter bw = new BinaryWriter(fs2))
bw.Write(rebin);
using (var img = Bitmap.FromFile(tempFileName))
{
using (var bitmap = new Bitmap(img))
{
var imgPath = !string.IsNullOrEmpty(destinationPath) ?
destinationPath : Path.ChangeExtension(tempFileName, ".jpg");
ResizeImage(bitmap, 9999, maxHeight, 100, imgPath);
result = BinaryHelper.FromImageToString(imgPath);
}
}
File.Delete(tempFileName);
File.Delete(Path.ChangeExtension(tempFileName, ".jpg"));
return(result);
}
private void Resize(string fullPath, ResizeRule rule)
{
if (rule.Width.HasValue && !rule.Height.HasValue)
{
var binary = BinaryHelper.FromImageToString(fullPath);
var outputPath = Path.Combine(rule.OutputPath, Path.GetFileName(fullPath));
ImageHelper.ResizeImageW(binary, rule.Width.Value, outputPath);
}
else if (rule.Height.HasValue && !rule.Width.HasValue)
{
var binary = BinaryHelper.FromImageToString(fullPath);
var outputPath = Path.Combine(rule.OutputPath, Path.GetFileName(fullPath));
ImageHelper.ResizeImageH(binary, rule.Height.Value, outputPath);
}
else
{
var binary = BinaryHelper.FromImageToString(fullPath);
var outputPath = Path.Combine(rule.OutputPath, Path.GetFileName(fullPath));
ImageHelper.ResizeImage(binary, rule.Width.Value, rule.Height.Value, outputPath);
}
}
static public string ResizeImage(string image, int maxWidth, int maxHeight, string destinationPath)
{
byte[] rebin = Convert.FromBase64String(image);
var tempFileName = Path.Combine(Path.GetDirectoryName(destinationPath), $"{Guid.NewGuid()}.jpg");
using (FileStream fs2 = new FileStream(tempFileName, FileMode.Create))
using (BinaryWriter bw = new BinaryWriter(fs2))
bw.Write(rebin);
using (var img = Bitmap.FromFile(tempFileName))
{
using (var bitmap = new Bitmap(img))
{
ResizeImage(bitmap, maxWidth, maxHeight, 100, destinationPath);
}
}
if (File.Exists(tempFileName))
{
File.Delete(tempFileName);
}
return(BinaryHelper.FromImageToString(destinationPath));
}