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 AddImage (CGImage image, NSDictionary properties)
{
if (image == null)
throw new ArgumentNullException ("image");
CGImageDestinationAddImage (handle, image.Handle, properties == null ? IntPtr.Zero : properties.Handle);
}
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 CGImage WithMask (CGImage mask)
{
if (mask == null)
throw new ArgumentNullException ("mask");
return new CGImage (CGImageCreateWithMask (handle, mask.handle), true);
}
public void AddImage (CGImage image, CGImageDestinationOptions options = null)
{
if (image == null)
throw new ArgumentNullException ("image");
var dict = options == null ? null : options.ToDictionary ();
CGImageDestinationAddImage (handle, image.Handle, dict == null ? IntPtr.Zero : dict.Handle);
if (dict != null)
dict.Dispose ();
}
public void DrawTiledImage (CGRect rect, CGImage image)
{
CGContextDrawTiledImage (handle, rect, image == null ? IntPtr.Zero : image.Handle);
}
public void ClipToMask (CGRect rect, CGImage mask)
{
CGContextClipToMask (handle, rect, mask == null ? IntPtr.Zero : mask.handle);
}
public static GLKTextureInfo FromImage(CGImage cgImage, GLKTextureOperations textureOperations, out NSError error)
{
return FromImage (cgImage, textureOperations == null ? null : textureOperations.Dictionary, out error);
}
public void BeginTextureLoad(CGImage image, GLKTextureOperations textureOperations, DispatchQueue queue, GLKTextureLoaderCallback onComplete)
{
BeginTextureLoad (image, textureOperations == null ? null : textureOperations.Dictionary, queue, onComplete);
}
public static CIImage FromCGImage(CGImage image, CGColorSpace colorSpace)
{
if (colorSpace == null)
throw new ArgumentNullException ("colorSpace");
using (var arr = NSArray.FromIntPtrs (new IntPtr [] { colorSpace.Handle })){
using (var keys = NSArray.FromIntPtrs (new IntPtr [] { CIImageColorSpaceKey.Handle } )){
using (var dict = NSDictionary.FromObjectsAndKeysInternal (arr, keys)){
return FromCGImage (image, dict);
}
}
}
}
public static VTStatus ToCGImage(this CVPixelBuffer pixelBuffer, out CGImage image)
{
if (pixelBuffer == null)
throw new ArgumentNullException ("pixelBuffer");
if (pixelBuffer.Handle == IntPtr.Zero)
throw new ObjectDisposedException ("CVPixelBuffer");
image = null;
IntPtr imagePtr;
var ret = VTCreateCGImageFromCVPixelBuffer (pixelBuffer.Handle,
IntPtr.Zero, // no options as of 9.0/10.11 - always pass NULL
out imagePtr);
if (imagePtr != IntPtr.Zero)
image = Runtime.GetINativeObject<CGImage> (imagePtr, true); // This is already retained CM_RETURNS_RETAINED_PARAMETER
return ret;
}
