/// <summary>
/// Sets a property item with the given id to the collection within the current
/// <see cref="ImageFactory"/> instance.
/// </summary>
/// <param name="imageFactory">The image factory.</param>
/// <param name="id">The id to assign to the property item.</param>
/// <param name="value">The value to assign to the property item.</param>
/// <returns>
/// The <see cref="ImageFactory"/>.
/// </returns>
public static ImageFactory SetPropertyItem(this ImageFactory imageFactory, ExifPropertyTag id, string value)
{
// TODO: Cover the different encoding types for different tags.
var bytes = BitConverter.GetBytes(value);
return(imageFactory.SetPropertyItem(id, ExifPropertyTagType.ASCII, bytes.Length, bytes));
}
private PSObject CreateProperty(PropertyItem propertyItem, out ExifPropertyTag tag)
{
try { tag = (ExifPropertyTag)(propertyItem.Id); } catch { tag = ExifPropertyTag.Unknown; }
if (tag == ExifPropertyTag.Unknown || propertyItem.Value == null)
{
return(null);
}
ExifPropertyType type;
try { type = (ExifPropertyType)(propertyItem.Type); } catch { type = ExifPropertyType.Undefined; }
return(CreateProperty(propertyItem.Value, propertyItem.Len, type, tag));
}
/// <summary>
/// Sets a property item with the given id to the collection within the current
/// <see cref="ImageFactory"/> instance.
/// </summary>
/// <param name="imageFactory">The image factory.</param>
/// <param name="id">The id to assign to the property item.</param>
/// <param name="type">The type to assign to the property item.</param>
/// <param name="length">The length to assign to the property item.</param>
/// <param name="value">The value to assign to the property item.</param>
/// <returns>
/// The <see cref="ImageFactory"/>.
/// </returns>
private static ImageFactory SetPropertyItem(
this ImageFactory imageFactory,
ExifPropertyTag id,
ExifPropertyTagType type,
int length,
byte[] value)
{
PropertyItem item = FormatUtilities.CreatePropertyItem();
item.Id = (int)id;
item.Type = (short)type;
item.Len = length;
item.Value = value;
imageFactory.ExifPropertyItems[item.Id] = item;
return(imageFactory);
}
/// <summary>
/// Sets a property item with the given id to the collection within the current
/// <see cref="ImageFactory"/> instance.
/// </summary>
/// <param name="imageFactory">The image factory.</param>
/// <param name="id">The id to assign to the property item.</param>
/// <param name="value">The value to assign to the property item.</param>
/// <returns>
/// The <see cref="ImageFactory"/>.
/// </returns>
public static ImageFactory SetPropertyItem(this ImageFactory imageFactory, ExifPropertyTag id, uint value)
{
byte[] bytes = BitConverter.GetBytes(value);
return(imageFactory.SetPropertyItem(id, ExifPropertyTagType.ULong, bytes.Length, bytes));
}
/// <summary>
/// Sets a property item with the given id to the collection within the current
/// <see cref="ImageFactory"/> instance.
/// </summary>
/// <param name="imageFactory">The image factory.</param>
/// <param name="id">The id to assign to the property item.</param>
/// <param name="value">The value to assign to the property item.</param>
/// <returns>
/// The <see cref="ImageFactory"/>.
/// </returns>
public static ImageFactory SetPropertyItem(this ImageFactory imageFactory, ExifPropertyTag id, byte value)
{
byte[] bytes = { value };
return(imageFactory.SetPropertyItem(id, ExifPropertyTagType.Byte, bytes.Length, bytes));
}
/// <summary>
/// Sets a property item with the given id to the collection within the current
/// <see cref="ImageFactory"/> instance.
/// </summary>
/// <param name="imageFactory">The image factory.</param>
/// <param name="id">The id to assign to the property item.</param>
/// <param name="value">The value to assign to the property item.</param>
/// <returns>
/// The <see cref="ImageFactory"/>.
/// </returns>
public static ImageFactory SetPropertyItem(this ImageFactory imageFactory, ExifPropertyTag id, byte[] value)
{
return(imageFactory.SetPropertyItem(id, ExifPropertyTagType.Undefined, value.Length, value));
}
/// <summary>
/// Sets a property item with the given id to the collection within the current
/// <see cref="ImageFactory"/> instance.
/// </summary>
/// <param name="imageFactory">The image factory.</param>
/// <param name="id">The id to assign to the property item.</param>
/// <param name="value">The value to assign to the property item.</param>
/// <returns>
/// The <see cref="ImageFactory"/>.
/// </returns>
public static ImageFactory SetPropertyItem(this ImageFactory imageFactory, ExifPropertyTag id, Rational <int> value)
{
var bytes = BitConverter.GetBytes(value);
return(imageFactory.SetPropertyItem(id, ExifPropertyTagType.SRational, bytes.Length, bytes));
}
/// <summary>
/// Sets a property item with the given id to the collection within the current
/// <see cref="ImageFactory"/> instance.
/// </summary>
/// <param name="imageFactory">The image factory.</param>
/// <param name="id">The id to assign to the property item.</param>
/// <param name="value">The value to assign to the property item.</param>
/// <returns>
/// The <see cref="ImageFactory"/>.
/// </returns>
public static ImageFactory SetPropertyItem(this ImageFactory imageFactory, ExifPropertyTag id, uint value)
{
byte[] bytes = BitConverter.GetBytes(value);
return imageFactory.SetPropertyItem(id, ExifPropertyTagType.ULong, bytes.Length, bytes);
}
/// <summary>
/// Sets a property item with the given id to the collection within the current
/// <see cref="ImageFactory"/> instance.
/// </summary>
/// <param name="imageFactory">The image factory.</param>
/// <param name="id">The id to assign to the property item.</param>
/// <param name="value">The value to assign to the property item.</param>
/// <returns>
/// The <see cref="ImageFactory"/>.
/// </returns>
public static ImageFactory SetPropertyItem(this ImageFactory imageFactory, ExifPropertyTag id, string value)
{
// TODO: Cover the different encoding types for different tags.
byte[] bytes = BitConverter.GetBytes(value);
return imageFactory.SetPropertyItem(id, ExifPropertyTagType.ASCII, bytes.Length, bytes);
}
/// <summary>
/// Sets a property item with the given id to the collection within the current
/// <see cref="ImageFactory"/> instance.
/// </summary>
/// <param name="imageFactory">The image factory.</param>
/// <param name="id">The id to assign to the property item.</param>
/// <param name="value">The value to assign to the property item.</param>
/// <returns>
/// The <see cref="ImageFactory"/>.
/// </returns>
public static ImageFactory SetPropertyItem(this ImageFactory imageFactory, ExifPropertyTag id, byte value)
{
byte[] bytes = { value };
return imageFactory.SetPropertyItem(id, ExifPropertyTagType.Byte, bytes.Length, bytes);
}
/// <summary>
/// Sets a property item with the given id to the collection within the current
/// <see cref="ImageFactory"/> instance.
/// </summary>
/// <param name="imageFactory">The image factory.</param>
/// <param name="id">The id to assign to the property item.</param>
/// <param name="type">The type to assign to the property item.</param>
/// <param name="length">The length to assign to the property item.</param>
/// <param name="value">The value to assign to the property item.</param>
/// <returns>
/// The <see cref="ImageFactory"/>.
/// </returns>
private static ImageFactory SetPropertyItem(
this ImageFactory imageFactory,
ExifPropertyTag id,
ExifPropertyTagType type,
int length,
byte[] value)
{
PropertyItem item = FormatUtilities.CreatePropertyItem();
item.Id = (int)id;
item.Type = (short)type;
item.Len = length;
item.Value = value;
imageFactory.ExifPropertyItems[item.Id] = item;
return imageFactory;
}
/// <summary>
/// Sets a property item with the given id to the collection within the current
/// <see cref="ImageFactory"/> instance.
/// </summary>
/// <param name="imageFactory">The image factory.</param>
/// <param name="id">The id to assign to the property item.</param>
/// <param name="value">The value to assign to the property item.</param>
/// <returns>
/// The <see cref="ImageFactory"/>.
/// </returns>
public static ImageFactory SetPropertyItem(this ImageFactory imageFactory, ExifPropertyTag id, byte[] value)
{
return imageFactory.SetPropertyItem(id, ExifPropertyTagType.Undefined, value.Length, value);
}
private PSObject CreateProperty(byte[] bytes, int count, ExifPropertyType type, ExifPropertyTag tag)
{
Type t = tag.GetType();
ExifPropertyTypeAttribute[] attributes = t.GetField(Enum.GetName(t, tag)).GetCustomAttributes(typeof(ExifPropertyTypeAttribute), false).OfType <ExifPropertyTypeAttribute>().ToArray();
if (attributes.Length > 1 && attributes.Any(a => a.Type == type))
{
attributes = attributes.Where(a => a.Type == type).ToArray();
}
if (attributes.Length > 1 && attributes.Any(a => a.IsPrimary))
{
attributes = attributes.Where(a => a.IsPrimary).ToArray();
}
ExifPropertyTypeAttribute attr = attributes.DefaultIfEmpty(new ExifPropertyTypeAttribute(type)
{
HasNullTerminator = type == ExifPropertyType.ASCII
}).First();
if (type == ExifPropertyType.BestMatching)
{
type = attr.Type;
}
PSObject property;
switch (type)
{
case ExifPropertyType.ASCII:
if (attr.HasNullTerminator)
{
if (attr.Count == 0)
{
property = AsStringZMulti(bytes, count);
}
else
{
property = AsStringZ(bytes, count);
}
}
else
{
property = AsString(bytes, count);
}
break;
case ExifPropertyType.Byte:
property = AsByteValue(bytes, count);
break;
case ExifPropertyType.Long:
property = AsUInt32Value(bytes, count);
break;
case ExifPropertyType.Rational:
property = AsUDecimalValue(bytes, count);
break;
case ExifPropertyType.Short:
property = AsUInt16Value(bytes, count);
break;
case ExifPropertyType.SLong:
property = AsInt32Value(bytes, count);
break;
case ExifPropertyType.SRational:
property = AsDecimalValue(bytes, count);
break;
default:
property = AsHexValues(bytes, count);
break;
}
property.TypeNames.Add("ExifPropertyTag." + Enum.GetName(typeof(ExifPropertyTag), tag));
property.TypeNames.Add("ExifPropertyTag." + Enum.GetName(typeof(ExifPropertyTag), tag) + "." + Enum.GetName(typeof(ExifPropertyType), type));
return(property);
}
