/// <summary>
/// Loads the image to process. Always call this method first.
/// </summary>
/// <param name="stream">
/// The <see cref="T:System.IO.Stream"/> containing the image information.
/// </param>
/// <returns>
/// The current instance of the <see cref="T:ImageProcessor.ImageFactory"/> class.
/// </returns>
public ImageFactory Load(Stream stream)
{
ISupportedImageFormat format = FormatUtilities.GetFormat(stream);
if (format == null)
{
throw new ImageFormatException("Input stream is not a supported format.");
}
MemoryStream memoryStream = new MemoryStream();
// Copy the stream. Disposal of the input stream is the responsibility
// of the user.
stream.CopyTo(memoryStream);
// Set the position to 0 afterwards.
if (stream.CanSeek)
{
stream.Position = 0;
}
memoryStream.Position = 0;
// Set our image as the memory stream value.
this.Image = format.Load(memoryStream);
// Store the stream so we can dispose of it later.
this.InputStream = memoryStream;
// Set the other properties.
format.Quality = DefaultQuality;
format.IsIndexed = FormatUtilities.IsIndexed(this.Image);
IQuantizableImageFormat imageFormat = format as IQuantizableImageFormat;
if (imageFormat != null)
{
imageFormat.ColorCount = FormatUtilities.GetColorCount(this.Image);
}
this.backupFormat = format;
this.CurrentImageFormat = format;
// Always load the data.
// TODO. Some custom data doesn't seem to get copied by default methods.
foreach (int id in this.Image.PropertyIdList)
{
this.ExifPropertyItems[id] = this.Image.GetPropertyItem(id);
}
this.ShouldProcess = true;
// Normalize the gamma component of the image.
if (this.FixGamma)
{
this.Gamma(2.2F);
}
return(this);
}
/// <summary>
/// Loads the image to process from an array of bytes. Always call this method first.
/// </summary>
/// <param name="bytes">
/// The <see cref="T:System.Byte"/> containing the image information.
/// </param>
/// <returns>
/// The current instance of the <see cref="T:ImageProcessor.ImageFactory"/> class.
/// </returns>
public ImageFactory Load(byte[] bytes)
{
MemoryStream memoryStream = new MemoryStream(bytes);
ISupportedImageFormat format = FormatUtilities.GetFormat(memoryStream);
if (format == null)
{
throw new ImageFormatException("Input stream is not a supported format.");
}
// Set our image as the memory stream value.
this.Image = format.Load(memoryStream);
// Store the stream so we can dispose of it later.
this.InputStream = memoryStream;
// Set the other properties.
format.Quality = DefaultQuality;
format.IsIndexed = FormatUtilities.IsIndexed(this.Image);
IQuantizableImageFormat imageFormat = format as IQuantizableImageFormat;
if (imageFormat != null)
{
imageFormat.ColorCount = FormatUtilities.GetColorCount(this.Image);
}
this.backupFormat = format;
this.CurrentImageFormat = format;
// Always load the data.
foreach (int id in this.Image.PropertyIdList)
{
this.ExifPropertyItems[id] = this.Image.GetPropertyItem(id);
}
this.ShouldProcess = true;
// Normalize the gamma component of the image.
if (this.FixGamma)
{
this.Gamma(2.2F);
}
return(this);
}
/// <summary>
/// Loads the image to process. Always call this method first.
/// </summary>
/// <param name="imagePath">The absolute path to the image to load.</param>
/// <returns>
/// The current instance of the <see cref="T:ImageProcessor.ImageFactory"/> class.
/// </returns>
public ImageFactory Load(string imagePath)
{
FileInfo fileInfo = new FileInfo(imagePath);
if (fileInfo.Exists)
{
this.ImagePath = imagePath;
// Open a file stream to prevent the need for lock.
using (FileStream fileStream = new FileStream(imagePath, FileMode.Open, FileAccess.Read))
{
ISupportedImageFormat format = FormatUtilities.GetFormat(fileStream);
if (format == null)
{
throw new ImageFormatException("Input stream is not a supported format.");
}
MemoryStream memoryStream = new MemoryStream();
// Copy the stream.
fileStream.CopyTo(memoryStream);
// Set the position to 0 afterwards.
memoryStream.Position = 0;
// Set our image as the memory stream value.
this.Image = format.Load(memoryStream);
// Store the stream so we can dispose of it later.
this.InputStream = memoryStream;
// Set the other properties.
format.Quality = DefaultQuality;
format.IsIndexed = FormatUtilities.IsIndexed(this.Image);
IQuantizableImageFormat imageFormat = format as IQuantizableImageFormat;
if (imageFormat != null)
{
imageFormat.ColorCount = FormatUtilities.GetColorCount(this.Image);
}
this.backupFormat = format;
this.CurrentImageFormat = format;
// Always load the data.
foreach (PropertyItem propertyItem in this.Image.PropertyItems)
{
this.ExifPropertyItems[propertyItem.Id] = propertyItem;
}
this.ShouldProcess = true;
// Normalize the gamma component of the image.
if (this.FixGamma)
{
this.Gamma(2.2F);
}
}
}
else
{
throw new FileNotFoundException(imagePath);
}
return(this);
}