private void PrintColor(NSColor color)
{
color = color.UsingColorSpace(NSColorSpace.GenericRGBColorSpace);
TextFieldR.IntValue = (int)(color.RedComponent * 255);
TextFieldG.IntValue = (int)(color.GreenComponent * 255);
TextFieldB.IntValue = (int)(color.BlueComponent * 255);
}
public static Color AsColor(this NSColor color)
{
var convertedColorspace = color.UsingColorSpace(NSColorSpace.GenericRGBColorSpace);
convertedColorspace.GetRgba(out var red, out var green, out var blue, out var alpha);
return(new Color((float)red, (float)green, (float)blue, (float)alpha));
}
public static Color ToColor(this NSColor clr)
{
if (clr == null)
{
return(Color.Transparent);
}
clr = clr.UsingColorSpace(NSColorSpace.CalibratedRGB);
return(Color.FromArgb((int)clr.AlphaComponent, (int)clr.RedComponent, (int)clr.GreenComponent, (int)clr.BlueComponent));
}
public static Color ToColor(this NSColor color)
{
if (color == null)
{
return(null);
}
color = color.UsingColorSpace(NSColorSpace.DeviceRGB);
return(new Color((float)color.RedComponent, (float)color.GreenComponent, (float)color.BlueComponent, (float)color.AlphaComponent));
}
public static CGColor ToCG(this NSColor color)
{
var cs = NSColorSpace.DeviceRGBColorSpace;
var devColor = color.UsingColorSpace(cs);
float[] components;
devColor.GetComponents(out components);
return(new CGColor(cs.ColorSpace, components));
}
void OnColorChange(string name, NSColor color)
{
mainView.WantsLayer = true;
// Prevent crashes when asking for components
color = color.UsingColorSpace(NSColorSpace.CalibratedRGB);
mainView.Layer.BackgroundColor = color.CGColor;
Console.WriteLine("Color changed on {0} ({1}, {2}, {3}, {4})", name, color.RedComponent, color.GreenComponent, color.BlueComponent, color.AlphaComponent);
}
public static Color ToColor(this NSColor value)
{
if (value == null)
{
return(new Color(0, 0, 0, 1));
}
var calibratedColor = value.UsingColorSpace(NSColorSpace.DeviceRGBColorSpace);
return(new Color((float)calibratedColor.RedComponent, (float)calibratedColor.GreenComponent, (float)calibratedColor.BlueComponent, (float)calibratedColor.AlphaComponent));
}
public static Color ToXwtColor(this NSColor col)
{
var calibrated = col.UsingColorSpace(DeviceRGBString);
if (calibrated != null)
{
return(new Color(calibrated.RedComponent, calibrated.GreenComponent, calibrated.BlueComponent, calibrated.AlphaComponent));
}
// some system colors can not be calibrated and UsingColorSpace returns null.
// Use CGColor in this case, which should match the device already.
return(col.CGColor.ToXwtColor());
}
public static Color ToEto(this NSColor color)
{
if (color == null)
{
return(Colors.Black);
}
//if (color.ColorSpace.ColorSpaceModel != NSColorSpaceModel.RGB)
color = color.UsingColorSpace(NSColorSpace.CalibratedRGB);
nfloat red, green, blue, alpha;
color.GetRgba(out red, out green, out blue, out alpha);
return(new Color((float)red, (float)green, (float)blue, (float)alpha));
}
public static Color ToSystemColor(this NSColor color)
{
if (color == null)
{
throw new ArgumentNullException(nameof(color));
}
// make sure the colorspace is valid for RGBA
// we can't check as the check will throw if it is invalid
color = color.UsingColorSpace(NSColorSpace.SRGBColorSpace);
color.GetRgba(out var red, out var green, out var blue, out var alpha);
return(Color.FromArgb((int)(alpha * 255), (int)(red * 255), (int)(green * 255), (int)(blue * 255)));
}
public static Color ToEto(this NSColor color)
{
if (color == null)
{
return(Colors.Black);
}
var converted = color.UsingColorSpace(NSColorSpace.CalibratedRGB);
if (converted == null)
{
// Convert named (e.g. system) colors to RGB using its CGColor
converted = color.CGColor.ToNS().UsingColorSpace(NSColorSpace.CalibratedRGB);
if (converted == null)
{
throw new ArgumentOutOfRangeException("color", "Color cannot be converted to an RGB colorspace");
}
}
nfloat red, green, blue, alpha;
converted.GetRgba(out red, out green, out blue, out alpha);
return(new Color((float)red, (float)green, (float)blue, (float)alpha));
}
public static bool ToArgb(this NSColor color, out float a, out float r, out float g, out float b)
{
NSColor rgba = color.UsingColorSpace(GenericRgbColorSpace());
if (rgba != null)
{
rgba.GetRgba(out nfloat nr, out nfloat ng, out nfloat nb, out nfloat na);
a = (float)na;
r = (float)nr;
g = (float)ng;
b = (float)nb;
return(true);
}
var cgc = color.CGColor; // 10.8+
if (cgc != null)
{
if (cgc.NumberOfComponents == 4)
{
a = (float)cgc.Components[3];
r = (float)cgc.Components[0];
g = (float)cgc.Components[1];
b = (float)cgc.Components[2];
return(true);
}
if (cgc.NumberOfComponents == 2)
{
a = (float)cgc.Components[1];
r = g = b = (float)cgc.Components[0];
return(true);
}
}
a = r = g = b = 0;
return(false);
}
public static Color ToSDColor(this NSColor color)
{
var convertedColor = color.UsingColorSpace(NSColorSpace.GenericRGBColorSpace);
if (convertedColor != null)
{
nfloat r, g, b, a;
convertedColor.GetRgba(out r, out g, out b, out a);
return(Color.FromArgb((int)(a * 255), (int)(r * 255), (int)(g * 255), (int)(b * 255)));
}
var cgColor = color.CGColor; // 10.8+
if (cgColor != null)
{
if (cgColor.NumberOfComponents == 4)
{
return(Color.FromArgb(
(int)(cgColor.Components[3] * 255),
(int)(cgColor.Components[0] * 255),
(int)(cgColor.Components[1] * 255),
(int)(cgColor.Components[2] * 255)));
}
if (cgColor.NumberOfComponents == 2)
{
return(Color.FromArgb(
(int)(cgColor.Components[1] * 255),
(int)(cgColor.Components[0] * 255),
(int)(cgColor.Components[0] * 255),
(int)(cgColor.Components[0] * 255)));
}
}
return(Color.Transparent);
}
public static bool ToArgb(this NSColor color, out float a, out float r, out float g, out float b)
{
var cgc = color.CGColor; // 10.8+
if (cgc != null)
{
if (cgc.NumberOfComponents == 4 && cgc.ColorSpace.Name == CGColorSpaceNames.SRGB)
{
r = (float)cgc.Components[0];
g = (float)cgc.Components[1];
b = (float)cgc.Components[2];
a = (float)cgc.Components[3];
return(true);
}
if (cgc.NumberOfComponents == 2 && cgc.ColorSpace.Name == CGColorSpaceNames.LinearGray)
{
a = (float)cgc.Components[1];
r = g = b = (float)cgc.Components[0];
return(true);
}
}
if (color.UsingColorSpace(SRGBColorSpace()) is NSColor rgba)
{
rgba.GetRgba(out nfloat nr, out nfloat ng, out nfloat nb, out nfloat na);
a = (float)na;
r = (float)nr;
g = (float)ng;
b = (float)nb;
return(true);
}
a = r = g = b = 0;
return(false);
}
public static SCNNode SCBoxNode (string title, CGRect frame, NSColor color, float cornerRadius, bool centered)
{
NSMutableDictionary titleAttributes = null;
NSMutableDictionary centeredTitleAttributes = null;
// create and extrude a bezier path to build the box
var path = NSBezierPath.FromRoundedRect (frame, cornerRadius, cornerRadius);
path.Flatness = 0.05f;
var shape = SCNShape.Create (path, 20);
shape.ChamferRadius = 0.0f;
var node = SCNNode.Create ();
node.Geometry = shape;
// create an image and fill with the color and text
var textureSize = new CGSize ();
textureSize.Width = NMath.Ceiling (frame.Size.Width * 1.5f);
textureSize.Height = NMath.Ceiling (frame.Size.Height * 1.5f);
var texture = new NSImage (textureSize);
texture.LockFocus ();
var drawFrame = new CGRect (0, 0, textureSize.Width, textureSize.Height);
nfloat hue, saturation, brightness, alpha;
(color.UsingColorSpace (NSColorSpace.DeviceRGBColorSpace)).GetHsba (out hue, out saturation, out brightness, out alpha);
var lightColor = NSColor.FromDeviceHsba (hue, saturation - 0.2f, brightness + 0.3f, alpha);
lightColor.Set ();
NSGraphics.RectFill (drawFrame);
NSBezierPath fillpath = null;
if (cornerRadius == 0 && centered == false) {
//special case for the "labs" slide
drawFrame.Offset (0, -2);
fillpath = NSBezierPath.FromRoundedRect (drawFrame, cornerRadius, cornerRadius);
} else {
drawFrame.Inflate (-3, -3);
fillpath = NSBezierPath.FromRoundedRect (drawFrame, cornerRadius, cornerRadius);
}
color.Set ();
fillpath.Fill ();
// draw the title if any
if (title != null) {
if (titleAttributes == null) {
var paraphStyle = new NSMutableParagraphStyle ();
paraphStyle.LineBreakMode = NSLineBreakMode.ByWordWrapping;
paraphStyle.Alignment = NSTextAlignment.Center;
paraphStyle.MinimumLineHeight = 38;
paraphStyle.MaximumLineHeight = 38;
var font = NSFont.FromFontName ("Myriad Set Semibold", 34) != null ? NSFont.FromFontName ("Myriad Set Semibold", 34) : NSFont.FromFontName ("Avenir Medium", 34);
var shadow = new NSShadow ();
shadow.ShadowOffset = new CGSize (0, -2);
shadow.ShadowBlurRadius = 4;
shadow.ShadowColor = NSColor.FromDeviceWhite (0.0f, 0.5f);
titleAttributes = new NSMutableDictionary ();
titleAttributes.SetValueForKey (font, NSAttributedString.FontAttributeName);
titleAttributes.SetValueForKey (NSColor.White, NSAttributedString.ForegroundColorAttributeName);
titleAttributes.SetValueForKey (shadow, NSAttributedString.ShadowAttributeName);
titleAttributes.SetValueForKey (paraphStyle, NSAttributedString.ParagraphStyleAttributeName);
var centeredParaphStyle = (NSMutableParagraphStyle)paraphStyle.MutableCopy ();
centeredParaphStyle.Alignment = NSTextAlignment.Center;
centeredTitleAttributes = new NSMutableDictionary ();
centeredTitleAttributes.SetValueForKey (font, NSAttributedString.FontAttributeName);
centeredTitleAttributes.SetValueForKey (NSColor.White, NSAttributedString.ForegroundColorAttributeName);
centeredTitleAttributes.SetValueForKey (shadow, NSAttributedString.ShadowAttributeName);
centeredTitleAttributes.SetValueForKey (paraphStyle, NSAttributedString.ParagraphStyleAttributeName);
}
var attrString = new NSAttributedString (title, centered ? centeredTitleAttributes : titleAttributes);
var textSize = attrString.Size;
//check if we need two lines to draw the text
var twoLines = title.Contains ("\n");
if (!twoLines)
twoLines = textSize.Width > frame.Size.Width && title.Contains (" ");
//if so, we need to adjust the size to center vertically
if (twoLines)
textSize.Height += 38;
if (!centered)
drawFrame.Inflate (-15, 0);
//center vertically
var dy = (drawFrame.Size.Height - textSize.Height) * 0.5f;
var drawFrameHeight = drawFrame.Size.Height;
drawFrame.Size = new CGSize (drawFrame.Size.Width, drawFrame.Size.Height - dy);
attrString.DrawString (drawFrame);
}
texture.UnlockFocus ();
//set the created image as the diffuse texture of our 3D box
var front = SCNMaterial.Create ();
front.Diffuse.Contents = texture;
front.LocksAmbientWithDiffuse = true;
//use a lighter color for the chamfer and sides
var sides = SCNMaterial.Create ();
sides.Diffuse.Contents = lightColor;
node.Geometry.Materials = new SCNMaterial[] {
front,
sides,
sides,
sides,
sides
};
return node;
}
public static SCNNode SCBoxNode(string title, CGRect frame, NSColor color, float cornerRadius, bool centered)
{
NSMutableDictionary titleAttributes = null;
NSMutableDictionary centeredTitleAttributes = null;
// create and extrude a bezier path to build the box
var path = NSBezierPath.FromRoundedRect(frame, cornerRadius, cornerRadius);
path.Flatness = 0.05f;
var shape = SCNShape.Create(path, 20);
shape.ChamferRadius = 0.0f;
var node = SCNNode.Create();
node.Geometry = shape;
// create an image and fill with the color and text
var textureSize = new CGSize();
textureSize.Width = (float)Math.Ceiling((double)frame.Size.Width * 1.5);
textureSize.Height = (float)Math.Ceiling((double)frame.Size.Height * 1.5);
var texture = new NSImage(textureSize);
texture.LockFocus();
var drawFrame = new CGRect(0, 0, textureSize.Width, textureSize.Height);
nfloat hue, saturation, brightness, alpha;
(color.UsingColorSpace(NSColorSpace.DeviceRGBColorSpace)).GetHsba(out hue, out saturation, out brightness, out alpha);
var lightColor = NSColor.FromDeviceHsba(hue, saturation - 0.2f, brightness + 0.3f, alpha);
lightColor.Set();
NSGraphics.RectFill(drawFrame);
NSBezierPath fillpath = null;
if (cornerRadius == 0 && centered == false)
{
//special case for the "labs" slide
drawFrame.Offset(0, -2);
fillpath = NSBezierPath.FromRoundedRect(drawFrame, cornerRadius, cornerRadius);
}
else
{
drawFrame.Inflate(-3, -3);
fillpath = NSBezierPath.FromRoundedRect(drawFrame, cornerRadius, cornerRadius);
}
color.Set();
fillpath.Fill();
// draw the title if any
if (title != null)
{
if (titleAttributes == null)
{
var paraphStyle = new NSMutableParagraphStyle();
paraphStyle.LineBreakMode = NSLineBreakMode.ByWordWrapping;
paraphStyle.Alignment = NSTextAlignment.Center;
paraphStyle.MinimumLineHeight = 38;
paraphStyle.MaximumLineHeight = 38;
var font = NSFont.FromFontName("Myriad Set Semibold", 34) != null?NSFont.FromFontName("Myriad Set Semibold", 34) : NSFont.FromFontName("Avenir Medium", 34);
var shadow = new NSShadow();
shadow.ShadowOffset = new CGSize(0, -2);
shadow.ShadowBlurRadius = 4;
shadow.ShadowColor = NSColor.FromDeviceWhite(0.0f, 0.5f);
titleAttributes = new NSMutableDictionary();
titleAttributes.SetValueForKey(font, NSAttributedString.FontAttributeName);
titleAttributes.SetValueForKey(NSColor.White, NSAttributedString.ForegroundColorAttributeName);
titleAttributes.SetValueForKey(shadow, NSAttributedString.ShadowAttributeName);
titleAttributes.SetValueForKey(paraphStyle, NSAttributedString.ParagraphStyleAttributeName);
var centeredParaphStyle = (NSMutableParagraphStyle)paraphStyle.MutableCopy();
centeredParaphStyle.Alignment = NSTextAlignment.Center;
centeredTitleAttributes = new NSMutableDictionary();
centeredTitleAttributes.SetValueForKey(font, NSAttributedString.FontAttributeName);
centeredTitleAttributes.SetValueForKey(NSColor.White, NSAttributedString.ForegroundColorAttributeName);
centeredTitleAttributes.SetValueForKey(shadow, NSAttributedString.ShadowAttributeName);
centeredTitleAttributes.SetValueForKey(paraphStyle, NSAttributedString.ParagraphStyleAttributeName);
}
var attrString = new NSAttributedString(title, centered ? centeredTitleAttributes : titleAttributes);
var textSize = attrString.Size;
//check if we need two lines to draw the text
var twoLines = title.Contains("\n");
if (!twoLines)
{
twoLines = textSize.Width > frame.Size.Width && title.Contains(" ");
}
//if so, we need to adjust the size to center vertically
if (twoLines)
{
textSize.Height += 38;
}
if (!centered)
{
drawFrame.Inflate(-15, 0);
}
//center vertically
var dy = (drawFrame.Size.Height - textSize.Height) * 0.5f;
var drawFrameHeight = drawFrame.Size.Height;
drawFrame.Size = new CGSize(drawFrame.Size.Width, drawFrame.Size.Height - dy);
attrString.DrawString(drawFrame);
}
texture.UnlockFocus();
//set the created image as the diffuse texture of our 3D box
var front = SCNMaterial.Create();
front.Diffuse.Contents = texture;
front.LocksAmbientWithDiffuse = true;
//use a lighter color for the chamfer and sides
var sides = SCNMaterial.Create();
sides.Diffuse.Contents = lightColor;
node.Geometry.Materials = new SCNMaterial[] {
front,
sides,
sides,
sides,
sides
};
return(node);
}
static void OnColorChange(string name, NSColor color)
{
// Prevent crashes when asking for components
color = color.UsingColorSpace(NSColorSpace.CalibratedRGB);
Console.WriteLine("Color changed on {0} ({1}, {2}, {3}, {4})", name, color.RedComponent, color.GreenComponent, color.BlueComponent, color.AlphaComponent);
}
public static Color ToXwtColor(this NSColor col)
{
col = col.UsingColorSpace(DeviceRGBString);
return(new Color(col.RedComponent, col.GreenComponent, col.BlueComponent, col.AlphaComponent));
}
