public string GetDefaultPictureUrl(int targetSize = 0, PictureType defaultPictureType = PictureType.Entity)
{
string defaultImageName;
switch (defaultPictureType)
{
case PictureType.Avatar:
defaultImageName = _fileManagementSettings.DefaultAvatarImageName;
break;
default:
defaultImageName = _fileManagementSettings.DefaultEntityImageName;
break;
}
var relativePath = string.Concat(_webHelper.GetAppLocation(), _cdnSettings.ImagesPath, defaultImageName);
if (targetSize == 0)
{
return(relativePath);
}
var filePath = Path.Combine(_fileManagementSettings.LocalImagePath, defaultImageName);
if (File.Exists(filePath))
{
var fileExtension = Path.GetExtension(filePath);
var fileName = string.Format("{0}-{1}{2}", Path.GetFileNameWithoutExtension(filePath), targetSize, fileExtension);
if (!File.Exists(Path.Combine(_fileManagementSettings.LocalThumbImagePath, fileName)))
{
var bitmap = new Bitmap(filePath);
var newSize = _mediaUtils.CalculateDimensions(bitmap.Size, targetSize);
if (newSize.Width < 1)
{
newSize.Width = 1;
}
if (newSize.Height < 1)
{
newSize.Height = 1;
}
var newBitMap = new Bitmap(newSize.Width, newSize.Height);
var g = Graphics.FromImage(newBitMap);
g.SmoothingMode = SmoothingMode.HighQuality;
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.CompositingQuality = CompositingQuality.HighQuality;
g.PixelOffsetMode = PixelOffsetMode.HighQuality;
g.DrawImage(bitmap, 0, 0, newSize.Width, newSize.Height);
var ep = new EncoderParameters();
ep.Param[0] = new EncoderParameter(Encoder.Quality, _fileManagementSettings.ImageQuality);
var ici = _mediaUtils.GetImageCodecInfoFromExtension(fileExtension) ?? _mediaUtils.GetImageCodecInfoFromMimeType("image/jpeg");
newBitMap.Save(Path.Combine(_fileManagementSettings.LocalThumbImagePath, fileName), ici, ep);
newBitMap.Dispose();
bitmap.Dispose();
}
return(string.Concat(_webHelper.GetAppLocation(), _fileManagementSettings.LocalThumbImagePath, fileName));
}
return(relativePath);
}