public CGMutableImageMetadata(CGImageMetadata metadata)
: base(CGImageMetadataCreateMutableCopy(Runtime.ThrowOnNull(metadata, nameof(metadata)).Handle), true)
{
if (metadata is null)
{
throw new ArgumentNullException(nameof(metadata));
}
}
public CGMutableImageMetadata(CGImageMetadata metadata) :
base(CGImageMetadataCreateMutableCopy(metadata.Handle))
{
if (metadata == null)
{
throw new ArgumentNullException("metadata");
}
}
public void AddImageAndMetadata(CGImage image, CGImageMetadata meta, NSDictionary?options)
{
if (image is null)
{
throw new ArgumentNullException(nameof(image));
}
CGImageDestinationAddImageAndMetadata(Handle, image.Handle, meta.GetHandle(), options.GetHandle());
}
public void AddImageAndMetadata(CGImage image, CGImageMetadata meta, NSDictionary options)
{
if (image == null)
{
throw new ArgumentNullException("image");
}
IntPtr m = meta == null ? IntPtr.Zero : meta.Handle;
IntPtr o = options == null ? IntPtr.Zero : options.Handle;
CGImageDestinationAddImageAndMetadata(handle, image.Handle, m, o);
}
public CGImageMetadataTag GetTag(CGImageMetadata parent, NSString path)
{
// parent may be null
if (path == null)
{
throw new ArgumentNullException("path");
}
IntPtr p = parent == null ? IntPtr.Zero : parent.Handle;
IntPtr result = CGImageMetadataCopyTagWithPath(Handle, p, path.Handle);
return((result == IntPtr.Zero) ? null : new CGImageMetadataTag(result));
}
public void AddImageAndMetadata(CGImage image, CGImageMetadata meta, CGImageDestinationOptions options)
{
NSDictionary o = null;
if (options != null)
{
o = options.ToDictionary();
}
try {
AddImageAndMetadata(image, meta, o);
}
finally {
if (options != null)
{
o.Dispose();
}
}
}
public void AddImageAndMetadata(CGImage image, CGImageMetadata meta, CGImageDestinationOptions?options)
{
using var o = options?.ToDictionary();
AddImageAndMetadata(image, meta, o);
}