/// <summary>
/// Gets the enhanced image.
/// </summary>
/// <param name="item">The item.</param>
/// <param name="imageType">Type of the image.</param>
/// <param name="imageIndex">Index of the image.</param>
/// <returns>Task{System.String}.</returns>
public async Task<string> GetEnhancedImage(IHasImages item, ImageType imageType, int imageIndex)
{
var enhancers = GetSupportedEnhancers(item, imageType).ToList();
var imagePath = item.GetImagePath(imageType, imageIndex);
var dateModified = item.GetImageDateModified(imagePath);
var result = await GetEnhancedImage(imagePath, dateModified, item, imageType, imageIndex, enhancers);
return result.Item1;
}
/// <summary>
/// Attaches the primary image aspect ratio.
/// </summary>
/// <param name="dto">The dto.</param>
/// <param name="item">The item.</param>
/// <returns>Task.</returns>
public void AttachPrimaryImageAspectRatio(IItemDto dto, IHasImages item)
{
var path = item.PrimaryImagePath;
if (string.IsNullOrEmpty(path))
{
return;
}
// See if we can avoid a file system lookup by looking for the file in ResolveArgs
var dateModified = item.GetImageDateModified(path);
ImageSize size;
try
{
size = _imageProcessor.GetImageSize(path, dateModified);
}
catch (FileNotFoundException)
{
_logger.Error("Image file does not exist: {0}", path);
return;
}
catch (Exception ex)
{
_logger.ErrorException("Failed to determine primary image aspect ratio for {0}", ex, path);
return;
}
dto.OriginalPrimaryImageAspectRatio = size.Width / size.Height;
var supportedEnhancers = _imageProcessor.GetSupportedEnhancers(item, ImageType.Primary).ToList();
foreach (var enhancer in supportedEnhancers)
{
try
{
size = enhancer.GetEnhancedImageSize(item, ImageType.Primary, 0, size);
}
catch (Exception ex)
{
_logger.ErrorException("Error in image enhancer: {0}", ex, enhancer.GetType().Name);
}
}
dto.PrimaryImageAspectRatio = size.Width / size.Height;
}
/// <summary>
/// Gets the image cache tag.
/// </summary>
/// <param name="item">The item.</param>
/// <param name="imageType">Type of the image.</param>
/// <param name="imagePath">The image path.</param>
/// <returns>Guid.</returns>
/// <exception cref="System.ArgumentNullException">item</exception>
public Guid GetImageCacheTag(IHasImages item, ImageType imageType, string imagePath)
{
if (item == null)
{
throw new ArgumentNullException("item");
}
if (string.IsNullOrEmpty(imagePath))
{
throw new ArgumentNullException("imagePath");
}
var dateModified = item.GetImageDateModified(imagePath);
var supportedEnhancers = GetSupportedEnhancers(item, imageType);
return GetImageCacheTag(item, imageType, imagePath, dateModified, supportedEnhancers.ToList());
}
