private async Task SaveImage(Image img, ImageSaveLocationEnum imageLocation, string fileName = "", ImageSizeEnum saveMaxSizes = ImageSizeEnum.ImgOriginal)
{
decimal proportion = decimal.Divide(img.Size().Height, img.Size().Width);//hecho así para mejorar la precisión
//si la proporción es mayor a 2:1 no hacer conversión ya que se la imagen se distorsionará
if (proportion > 2)
{
proportion = 1;
}
// Format is automatically detected though can be changed.
//ISupportedImageFormat format = new JpegFormat { Quality = 90 };
var imageSizes = Enum.GetValues(typeof(ImageSizeEnum)).Cast <ImageSizeEnum>();
if (saveMaxSizes == ImageSizeEnum.WithoutMark || saveMaxSizes == ImageSizeEnum.ImgOriginal)
{
saveMaxSizes = ImageSizeEnum.ImgOriginal;
}
imageSizes = imageSizes.SkipWhile(a => a != saveMaxSizes);
foreach (var i in imageSizes)
{
int enumSize = (int)i.GetDefaultValue();
Size size = new Size(enumSize, (int)(enumSize * proportion));
// Initialize the ImageFactory using the overload to preserve EXIF metadata.
var returnImageUrl = imageLocation.GetDescription() + fileName + "_" + enumSize + ".jpg";
var path = Path.Combine(_env.WebRootPath, returnImageUrl);
if (!size.Equals(default))
public GetImagePathQuery(string fileName, ImageSaveLocationEnum imageLocation, ImageSizeEnum imgSize = ImageSizeEnum.ImgOriginal,
bool returnEmptyIfNotFound = false, bool returnMainLogoIfEmpty = false)
{
FileName = fileName;
ImageLocation = imageLocation;
ImgSize = imgSize;
ReturnEmptyIfNotFound = returnEmptyIfNotFound;
ReturnMainLogoIfEmpty = returnMainLogoIfEmpty;
}
/// <summary>
/// Helper para guardar las imágenes con distintos tamaños, utilizando GetImagePath se puede pedir el tamaño específico para la página
/// </summary>
/// <param name="base64Image">La imagen en base64</param>
/// <param name="imageLocation">Enumerador con la ubicación por defecto a guardar la imagen</param>
/// <param name="fileName">Nombre opcional, se generará un guid en caso de dejarse en blanco</param>
/// <param name="saveMaxSizes">Tamaño máximo a guardarse, se guardarán versiones más pequeñas a ese tamaño</param>
/// <returns>El nombre del archivo creado en crudo (sin extensión), al utilizarse GetImagePath con el nombre de archivo como identificador se completa la info</returns>
public async Task <string> SaveImagesBase64(string imageBase64, ImageSaveLocationEnum imageLocation, string fileName = "", ImageSizeEnum saveMaxSizes = ImageSizeEnum.ImgOriginal)
{
if (string.IsNullOrEmpty(fileName))
{
fileName = Guid.NewGuid().ToString("D");
}
using Image img = await Base64ToImage(imageBase64);
await SaveImage(img, imageLocation, fileName, saveMaxSizes);
return(fileName);
}
public async Task <IActionResult> Post([FromBody] string fileBase64, ImageSaveLocationEnum imageSaveLocation)
{
var model = new SaveImageBase64Command();
model.FileBase64 = fileBase64;
model.ImageLocation = imageSaveLocation;
//if (imageSaveLocation == ImageSaveLocationEnum.Profile)
// model.CurrentUserId = User.GetUserId();
var imgGuid = await _commandBus.Send(model);
return(Ok(imgGuid));
}
public async Task <IActionResult> Post(IFormFile file, ImageSaveLocationEnum imageSaveLocation)
{
var model = new SaveImageStreamCommand();
model.FileStream = file.OpenReadStream();
model.ImageLocation = imageSaveLocation;
//if (imageSaveLocation == ImageSaveLocationEnum.Profile)
// model.CurrentUserId = User.GetUserId();
var imgGuid = await _commandBus.Send(model);
return(Ok(imgGuid));
}
public async Task <string> SaveImagesStream(Stream fileStream, ImageSaveLocationEnum imageLocation, string fileName = "", ImageSizeEnum saveMaxSizes = ImageSizeEnum.ImgOriginal)
{
if (string.IsNullOrEmpty(fileName))
{
fileName = Guid.NewGuid().ToString("D");
}
if (fileStream != null)
{
using Image img = await Image.LoadAsync(fileStream);
await SaveImage(img, imageLocation, fileName, saveMaxSizes);
}
return(fileName);
}
