public static CGColor ToCG(this NSColor color)
{
if (color == null)
{
return(null);
}
CGColor cgColor;
// try getting the CGColor and ensure it isn't null..
if (MacVersion.IsAtLeast(10, 8) && (cgColor = color.CGColor) != null)
{
return(cgColor);
}
// try to convert to RGB colorspace so we can convert it to CGColor
var converted = color.UsingColorSpaceFast(NSColorSpace.DeviceRGB);
if (converted == null)
{
return(new CGColor(0, 0, 0, 1f));
}
// try getting the CGColor again..
if (MacVersion.IsAtLeast(10, 8) && (cgColor = converted.CGColor) != null)
{
return(cgColor);
}
converted.GetComponents(out var components);
return(new CGColor(converted.ColorSpace.ColorSpace, components));
}
public override void AttachEvent(string id)
{
switch (id)
{
case Application.UnhandledExceptionEvent:
AppDomain.CurrentDomain.UnhandledException += OnCurrentDomainUnhandledException;
break;
case Application.TerminatingEvent:
// handled by app delegate
break;
case Application.NotificationActivatedEvent:
if (MacVersion.IsAtLeast(10, 8))
{
NSUserNotificationCenter.DefaultUserNotificationCenter.DidActivateNotification += (sender, e) => DidActivateNotification(e.Notification);
NSApplication.Notifications.ObserveDidFinishLaunching(DidFinishLaunching);
}
break;
default:
base.AttachEvent(id);
break;
}
}
public virtual void DrawTemplateImage(GraphicsHandler graphics, RectangleF source, RectangleF destination)
{
var imageSize = Size;
// draw as a template image, and ignore color data
var ctx = graphics.Control;
ctx.SaveState();
RectangleF destMask;
if (destination.Size != source.Size)
{
// scale and position
var scale = destination.Size / source.Size;
destMask = new RectangleF(destination.Location - source.Location * scale, imageSize * scale);
}
else
{
// just position
destMask = new RectangleF(destination.Location - source.Location, imageSize);
}
var destRect = destination.ToNS();
var cgImage = GetImage().AsCGImage(ref destRect, graphics.GraphicsContext, null);
// clip to the image as a mask, using only alpha channel
ctx.ClipToMask(destMask.ToNS(), cgImage);
// set fill color based on current dark/light theme
// this is the best approximation I can find to get it to draw the same as NSImageView
// thus far..
NSColor color;
if (MacVersion.IsAtLeast(10, 14) && graphics.DisplayView.HasDarkTheme())
{
color = NSColor.FromWhite(1f, .55f);
}
else
{
color = NSColor.FromWhite(0, .5f);
}
color.SetFill();
ctx.FillRect(destRect);
ctx.RestoreState();
}
public static bool HasDarkTheme(this NSView view)
{
if (!MacVersion.IsAtLeast(10, 14))
{
return(false);
}
var appearance = view?.EffectiveAppearance ?? NSAppearance.CurrentAppearance;
var name = appearance.Name;
if (name == NSAppearance.NameDarkAqua || name == NSAppearance.NameAccessibilityHighContrastDarkAqua)
{
return(true);
}
return(false);
}
public static CGColor ToCG(this NSColor color)
{
if (color == null)
{
return(null);
}
if (MacVersion.IsAtLeast(10, 8))
{
return(color.CGColor);
}
var converted = color.UsingColorSpaceFast(NSColorSpace.DeviceRGB);
if (converted == null)
{
return(new CGColor(0, 0, 0, 1f));
}
converted.GetComponents(out var components);
return(new CGColor(converted.ColorSpace.ColorSpace, components));
}