static CGColor CreateByMatchingToColorSpace(CGColorSpace space, CGColorRenderingIntent intent,
CGColor color, NSDictionary options)
{
var h = CGColorCreateCopyByMatchingToColorSpace(space == null ? IntPtr.Zero : space.Handle, intent,
color == null ? IntPtr.Zero : color.Handle, options == null ? IntPtr.Zero : options.Handle);
return(h == IntPtr.Zero ? null : new CGColor(h));
}
public override bool Equals(object o)
{
CGColor other = o as CGColor;
if (other == null)
{
return(false);
}
return(CGColorEqualToColor(this.handle, other.handle));
}
public CGColor(CGColor source, nfloat alpha)
{
if (source == null)
{
throw new ArgumentNullException("source");
}
if (source.handle == IntPtr.Zero)
{
throw new ObjectDisposedException("source");
}
handle = CGColorCreateCopyWithAlpha(source.handle, alpha);
}
public CGGradient (CGColorSpace colorspace, CGColor [] colors)
{
if (colors == null)
throw new ArgumentNullException ("colors");
IntPtr csh = colorspace == null ? IntPtr.Zero : colorspace.handle;
using (var array = CFArray.FromNativeObjects (colors))
handle = CGGradientCreateWithColors (csh, array.Handle, null);
}
public CGGradient (CGColorSpace colorspace, CGColor [] colors, nfloat [] locations)
{
// colors is __nullable but would return a `nil` instance back,
// which is not something we can handle nicely from a .NET constructor
if (colors == null)
throw new ArgumentNullException ("colors");
IntPtr csh = colorspace == null ? IntPtr.Zero : colorspace.handle;
using (var array = CFArray.FromNativeObjects (colors))
handle = CGGradientCreateWithColors (csh, array.Handle, locations);
}
static CGColor CreateByMatchingToColorSpace (CGColorSpace space, CGColorRenderingIntent intent,
CGColor color, NSDictionary options)
{
var h = CGColorCreateCopyByMatchingToColorSpace (space == null ? IntPtr.Zero : space.Handle, intent,
color == null ? IntPtr.Zero : color.Handle, options == null ? IntPtr.Zero : options.Handle);
return h == IntPtr.Zero ? null : new CGColor (h);
}
public CGColor (CGColor source, nfloat alpha)
{
if (source == null)
throw new ArgumentNullException ("source");
if (source.handle == IntPtr.Zero)
throw new ObjectDisposedException ("source");
handle = CGColorCreateCopyWithAlpha (source.handle, alpha);
}
public static CGColor GetWindowColor(MACaptionAppearanceDomain domain, ref MACaptionAppearanceBehavior behavior)
{
nint b = (int) behavior;
var rv = new CGColor (MACaptionAppearanceCopyWindowColor ((int) domain, ref b), owns: true);
behavior = (MACaptionAppearanceBehavior) (int) b;
return rv;
}
public void SetShadowWithColor (CGSize offset, nfloat blur, CGColor color)
{
CGContextSetShadowWithColor (handle, offset, blur, color == null ? IntPtr.Zero : color.handle);
}
public void SetShadow (CGSize offset, nfloat blur, CGColor color = null)
{
if (color == null)
CGContextSetShadow (handle, offset, blur);
else
CGContextSetShadowWithColor (handle, offset, blur, color.handle);
}
public void SetStrokeColorWithColor (CGColor color)
{
SetStrokeColor (color);
}
public void SetStrokeColor (CGColor color)
{
CGContextSetStrokeColorWithColor (handle, color == null ? IntPtr.Zero : color.handle);
}
public void SetFillColorWithColor (CGColor color)
{
SetFillColor (color);
}
