private void ProcessImages(int resizeImageWidth, int resizeImageHeight, int thumbWidth, int thumbHeight, int hashThumbWidth, int hashThumbHeight, List <SKBitmap> skImages, ref List <Image> images)
{
for (int i = 0; i < skImages.Count; i++)
{
SKBitmap img;
if (skImages[i].Width > resizeImageWidth || skImages[i].Height > resizeImageHeight)
{
img = _imageService.ResizeImage(skImages[i], resizeImageWidth, resizeImageHeight);
}
else
{
img = _imageService.ResizeImage(skImages[i], skImages[i].Width, skImages[i].Height); // To prevent GDI+ Exception
}
using (var image = img)
{
// to prevent hash colisions
string hashThumbnail = _imageService.GetThumbnail(image, hashThumbWidth, hashThumbHeight);
// Check for duplicate
Image original = repository.GetImageByThumb(hashThumbnail);
// Return original, dont save duplicate
if (original != null)
{
images.Add(original);
}
else
{
var newId = Guid.NewGuid();
Image newImage = new Image
{
Id = newId,
Thumb = hashThumbnail,
Path = newId.ToString() + ".jpg",
};
// Saving FULL to storage
using (MemoryStream fullMs = _imageService.ConvertToStream(image))
{
_storageService.SaveToStorage(newImage.Path, fullMs);
}
images.Add(newImage);
repository.AddImage(newImage);
// Converting thumb
var thumbImage = _imageService.ResizeImage(image, thumbWidth, thumbHeight);
using (MemoryStream thumbMs = _imageService.ConvertToStream(thumbImage))
{
_storageService.SaveToStorage(newImage.Id.ToString() + "s.jpg", thumbMs);
}
}
}
img.Dispose();
skImages[i].Dispose();
}
}