public ColorProperties(RGBAColor Color1, RGBAColor Color2, double Alpha, Vector2D GradientRotation, double GradientPosition)
{
this.Color1 = Color1;
this.Color2 = Color2;
this.Alpha = Alpha;
this.GradientRotation = GradientRotation;
this.GradientPosition = GradientPosition;
}
/// <summary>
/// Function to calculate the complementary color
/// Note that the ! operator of RGBAColor does the same
/// </summary>
/// <param name="Col">Input color</param>
/// <returns>Complement color of the RGB channels of the input color</returns>
public static RGBAColor Complement(RGBAColor Col)
{
Col.R = 1 - Col.R;
Col.G = 1 - Col.G;
Col.B = 1 - Col.B;
return Col;
}
public SmoothLine(int framecount, int smoother, RGBAColor col, int lineWidth, int pointsrange)
{
FFRameCount = framecount;
FSmoother = smoother;
ColorOut = col;
LineWidth = lineWidth;
PointsRange = pointsrange;
}
/// <summary>
/// Adds a value to the RGB channels of a color and takes the result modulo 1
/// </summary>
/// <param name="Col"></param>
/// <param name="Offset"></param>
/// <returns>(Col.RGB + Offset) modulo 1</returns>
public static RGBAColor Offset(RGBAColor Col, double Offset)
{
Col.R = (Col.R + Offset) % 1.0;
Col.G = (Col.G + Offset) % 1.0;
Col.B = (Col.B + Offset) % 1.0;
return Col;
}
/// <summary>
/// Function to get black or white, which ever has higher contrast to the input color, e.g. for text on colored backgrounds
/// </summary>
/// <param name="C">Input color</param>
/// <returns>Black or white in C# color format</returns>
public static Color Invert(Color C)
{
RGBAColor col = new RGBAColor(C.R/255.0, C.R/255.0, C.R/255.0, 1);
if (Brightness(col) > 0.5)
return Color.White;
else
return Color.Black;
}
/// <summary>
/// Computes RGB values from HSL values, found on:
/// http://www.geekymonkey.com/Programming/CSharp/RGB2HSL_HSL2RGB.htm
/// </summary>
/// <param name="H">Hue</param>
/// <param name="S">Saturation</param>
/// <param name="L">Lightness</param>
/// <param name="Red">Output parameter, gets filled with the red value</param>
/// <param name="Green">Output parameter, gets filled with the green value</param>
/// <param name="Blue">Output parameter, gets filled with the blue value</param>
public static void HSLtoRGB(double H, double S, double L, out double Red, out double Green, out double Blue)
{
Red = Green = Blue = L; // default to gray
double v;
v = (L <= 0.5) ? (L * (1.0 + S)) : (L + S - L * S);
if (v > 0)
{
double m;
double sv;
int sextant;
double fract, vsf, mid1, mid2;
m = L + L - v;
sv = (v - m) / v;
H *= 6.0;
sextant = (int)H;
fract = H - sextant;
vsf = v * sv * fract;
mid1 = m + vsf;
mid2 = v - vsf;
switch (sextant)
{
case 0:
Red = v;
Green = mid1;
Blue = m;
break;
case 1:
Red = mid2;
Green = v;
Blue = m;
break;
case 2:
Red = m;
Green = v;
Blue = mid1;
break;
case 3:
Red = m;
Green = mid2;
Blue = v;
break;
case 4:
Red = mid1;
Green = m;
Blue = v;
break;
case 5:
Red = v;
Green = m;
Blue = mid2;
break;
}
}
}
/// <summary>
/// 2d linear interpolation in x and y direction for colors
/// </summary>
/// <param name="x">The x position where to interpolate, 0..1</param>
/// <param name="y">The y position where to interpolate, 0..1</param>
/// <param name="P1">Upper left color</param>
/// <param name="P2">Upper right color</param>
/// <param name="P3">Lower right color</param>
/// <param name="P4">Lower left color</param>
/// <returns>Interpolated color between the 4 colors in the corners</returns>
public static RGBAColor BilerpRGBA(double x, double y, RGBAColor P1, RGBAColor P2, RGBAColor P3, RGBAColor P4)
{
//interpolate lower colors in x direction
P1 = LerpRGBA(P1, P2, x);
//interpolate upper colors in x direction
P3 = LerpRGBA(P4, P3, x);
//interpolate results in y direction
return(LerpRGBA(P3, P1, y));
}
/// <summary>
/// Calculates the brighness of a color with the formula 0.222 * R + 0.707 * G + 0.071 * B
/// </summary>
/// <param name="C"></param>
/// <returns>Brightness value of the input color C</returns>
public static double Brightness(RGBAColor C)
{
return(0.222 * C.R + 0.707 * C.G + 0.071 * C.B);
}
public bool Process(List<string> addressList, ArrayList values, Matrix4x4 transform)
{
this.Address = addressList[0];
var localAddress = new List<string>(addressList);
localAddress.RemoveAt(0);
if (localAddress.Count > 0)
{
switch (localAddress[0])
{
case "begin":
this.inputBuffer = new Spline(false);
this.inputBuffer.Address = this.Address;
break;
case "end":
this.Position = new Vector3D(this.inputBuffer.Position);
this.Vertices = new List<Vector3D>(this.inputBuffer.Vertices);
this.Color = new RGBAColor();
this.Color.R = this.inputBuffer.Color.R;
this.Color.G = this.inputBuffer.Color.G;
this.Color.B = this.inputBuffer.Color.B;
this.Color.A = this.inputBuffer.Color.A;
this.UserData = new List<UserDataEntry>(inputBuffer.UserData);
this.Children = new Dictionary<string,Spline>(this.inputBuffer.Children);
return true;
case "position":
if (values.Count >= 3)
{
for(int i=0; i<3; i++) {
this.inputBuffer.Position[i] = (double) (float) values[i];
}
if (transform != null)
{
this.inputBuffer.Position = transform * this.inputBuffer.Position;
}
}
break;
case "displayColor":
if (values.Count >= 3)
{
this.inputBuffer.Color.R = (double) (float) values[0];
this.inputBuffer.Color.G = (double) (float) values[1];
this.inputBuffer.Color.B = (double) (float) values[2];
}
break;
case "childCount":
break;
case "userData":
localAddress.RemoveAt(0);
string propertyName = "";
foreach (var level in localAddress)
{
if (propertyName != "")
{
propertyName += "/";
}
propertyName += level;
}
var userDataEntry = new UserDataEntry();
userDataEntry.Name = propertyName;
foreach (var value in values)
{
if (value is int)
{
userDataEntry.Values.Add((double)(int)value);
}
else if (value is float)
{
userDataEntry.Values.Add((double)(float)value);
}
}
this.inputBuffer.UserData.Add(userDataEntry);
break;
case "spline":
this.inputBuffer.Vertices.Clear();
for (int i = 0; i < values.Count / 3; i++)
{
var vertex = new Vector3D();
for(int j=0; j<3; j++)
{
vertex[j] = (double)(float)values[i * 3 + j];
}
if (transform != null)
{
this.inputBuffer.Vertices.Add(transform * vertex);
}
else
{
this.inputBuffer.Vertices.Add(vertex);
}
}
break;
default:
var childName = localAddress[0];
if (!inputBuffer.Children.ContainsKey(childName)) {
inputBuffer.Children.Add(childName, new Spline(true));
}
inputBuffer.Children[childName].Process(localAddress, values, transform);
break;
}
}
return false;
}
/// <summary>
/// Linear interpolation (blending) between two colors
/// </summary>
/// <param name="Col1"></param>
/// <param name="Col2"></param>
/// <param name="x">Blending factor, 0..1</param>
/// <returns>Linear interpolation (blending) between Col1 and Col2 if x in the range ]0..1[, Col1 if x = 0, Col2 if x = 1</returns>
public static RGBAColor LerpRGBA(RGBAColor Col1, RGBAColor Col2, double x)
{
return(Col1 + x * (Col2 - Col1));
}
/// <summary>
/// Linear interpolation (blending) between two colors
/// </summary>
/// <param name="Col1"></param>
/// <param name="Col2"></param>
/// <param name="x">Blending factor, 0..1</param>
/// <returns>Linear interpolation (blending) between Col1 and Col2 if x in the range ]0..1[, Col1 if x = 0, Col2 if x = 1</returns>
public static RGBAColor LerpRGBA(RGBAColor Col1, RGBAColor Col2, double x)
{
return Col1 + x * (Col2 - Col1);
}
public bool Equals(RGBAColor other)
{
return this.R == other.R && this.G == other.G && this.B == other.B && this.A == other.A;
}
protected static byte[] packColor(RGBAColor value)
{
double[] rgba = { value.R, value.G, value.B, value.A };
byte[] data = new byte[rgba.Length];
for (int i = 0; i < rgba.Length; i++) data[i] = (byte)Math.Round(rgba[i] * 255);
if (BitConverter.IsLittleEndian) data = swapEndian(data);
return data;
}
/// <summary>
/// 2d linear interpolation in x and y direction for colors
/// </summary>
/// <param name="x">The x position where to interpolate, 0..1</param>
/// <param name="y">The y position where to interpolate, 0..1</param>
/// <param name="P1">Upper left color</param>
/// <param name="P2">Upper right color</param>
/// <param name="P3">Lower right color</param>
/// <param name="P4">Lower left color</param>
/// <returns>Interpolated color between the 4 colors in the corners</returns>
public static RGBAColor BilerpRGBA(double x, double y, RGBAColor P1, RGBAColor P2, RGBAColor P3, RGBAColor P4)
{
//interpolate lower colors in x direction
P1 = LerpRGBA(P1, P2, x);
//interpolate upper colors in x direction
P3 = LerpRGBA(P4, P3, x);
//interpolate results in y direction
return LerpRGBA(P3, P1, y);
}
Bitmap ComputeQRCode(int slice)
{
var qrEncoder = new QrEncoder(FErrorCorrectionLevel[slice]);
var qrCode = new QrCode();
if (qrEncoder.TryEncode(FText[slice], out qrCode))
{
var fc = FForeColor[slice];
var bc = FBackColor[slice];
fc = new RGBAColor(fc.B, fc.G, fc.R, fc.A);
bc = new RGBAColor(bc.B, bc.G, bc.R, bc.A);
using (var fore = new SolidBrush(fc.Color))
using (var back = new SolidBrush(bc.Color))
{
var renderer = new GraphicsRenderer(new FixedModuleSize(FPixelSize[slice], FQuietZoneModules[slice]), fore, back);
DrawingSize dSize = renderer.SizeCalculator.GetSize(qrCode.Matrix.Width);
var bmp = new Bitmap(dSize.CodeWidth, dSize.CodeWidth);
using (var g = Graphics.FromImage(bmp))
renderer.Draw(g, qrCode.Matrix);
return bmp;
}
}
else
return null;
}
/// <summary>
/// Calculates the brighness of a color with the formula 0.222 * R + 0.707 * G + 0.071 * B
/// </summary>
/// <param name="C"></param>
/// <returns>Brightness value of the input color C</returns>
public static double Brightness(RGBAColor C)
{
return 0.222 * C.R + 0.707 * C.G + 0.071 * C.B;
}
/// <summary>
/// Converts a RGBAColor to a string with semicolon separator
/// </summary>
/// <param name="col"></param>
/// <returns></returns>
public static string Serialze(RGBAColor col)
{
return col.R.ToString("r", CultureInfo.InvariantCulture) + ";" +
col.G.ToString("r", CultureInfo.InvariantCulture) + ";" +
col.B.ToString("r", CultureInfo.InvariantCulture) + ";" +
col.A.ToString("r", CultureInfo.InvariantCulture);
}
/// <summary>
/// Computes RGB values from HSL values, found on:
/// http://www.geekymonkey.com/Programming/CSharp/RGB2HSL_HSL2RGB.htm
/// </summary>
/// <param name="H">Hue</param>
/// <param name="S">Saturation</param>
/// <param name="L">Lightness</param>
/// <param name="Red">Output parameter, gets filled with the red value</param>
/// <param name="Green">Output parameter, gets filled with the green value</param>
/// <param name="Blue">Output parameter, gets filled with the blue value</param>
public static void HSLtoRGB(double H, double S, double L, out double Red, out double Green, out double Blue)
{
Red = Green = Blue = L; // default to gray
double v;
v = (L <= 0.5) ? (L * (1.0 + S)) : (L + S - L * S);
if (v > 0)
{
double m;
double sv;
int sextant;
double fract, vsf, mid1, mid2;
m = L + L - v;
sv = (v - m ) / v;
H *= 6.0;
sextant = (int)H;
fract = H - sextant;
vsf = v * sv * fract;
mid1 = m + vsf;
mid2 = v - vsf;
switch (sextant)
{
case 0:
Red = v;
Green = mid1;
Blue = m;
break;
case 1:
Red = mid2;
Green = v;
Blue = m;
break;
case 2:
Red = m;
Green = v;
Blue = mid1;
break;
case 3:
Red = m;
Green = mid2;
Blue = v;
break;
case 4:
Red = mid1;
Green = m;
Blue = v;
break;
case 5:
Red = v;
Green = m;
Blue = mid2;
break;
}
}
}
/// <summary>
/// Function to convert HSV values to RGB values
///
/// merged methods from EasyRGB (http://www.easyrgb.com/math.php?MATH=M21#text21)
/// and the book GRAPHICS GEMS
/// </summary>
/// <param name="H"></param>
/// <param name="S"></param>
/// <param name="V"></param>
/// <param name="Red">Output parameter, this variable gets filled with the red value</param>
/// <param name="Green">Output parameter, this variable gets filled with the green value</param>
/// <param name="Blue">Output parameter, this variable gets filled with the blue value</param>
public static void HSVtoRGB (double H, double S, double V, out double Red, out double Green, out double Blue)
{
Red = Green = Blue = V;
if (S != 0)
{
H = H - Math.Truncate(H);
double min = V * (1 - S);
H = 6 * H;
int sextant = (int) Math.Truncate(H);
double fract = H - sextant;
double vsf = V * S * fract;
double mid1 = min + vsf;
double mid2 = V - vsf;
switch (sextant)
{
case 0: {Red = V; Green = mid1; Blue = min; break;}
case 1: {Red = mid2; Green = V; Blue = min; break;}
case 2: {Red = min; Green = V; Blue = mid1; break;}
case 3: {Red = min; Green = mid2; Blue = V; break;}
case 4: {Red = mid1; Green = min; Blue = V; break;}
case 5: {Red = V; Green = min; Blue = mid2; break;}
}
}
}
public static Bin DeSerializeBin(this Stream input)
{
uint objCount = input.ReadUint();
uint aliasLength = input.ReadUint();
var alias = input.ReadUnicode((int) aliasLength);
var type = TypeIdentity.Instance.FindType(alias);
var bin = Bin.New(type);
for (int i = 0; i < objCount; i++)
{
if (type == typeof(bool)) bin.Add(input.ReadBool());
if (type == typeof(int)) bin.Add(input.ReadInt());
if (type == typeof(float)) bin.Add(input.ReadFloat());
if (type == typeof(double)) bin.Add(input.ReadDouble());
if (type == typeof(string))
{
uint l = input.ReadUint();
if (l > 0)
bin.Add(input.ReadUnicode((int)l));
else bin.Add("");
}
if (type == typeof(RGBAColor))
{
double[] val = new double[4];
for (int j = 0; j < val.Length; j++) val[j] = input.ReadDouble();
RGBAColor res = new RGBAColor(val);
bin.Add(res);
}
if (type == typeof(Vector2D))
{
Vector2D res = new Vector2D();
res.x = input.ReadDouble();
res.y = input.ReadDouble();
bin.Add(res);
}
if (type == typeof(Vector3D))
{
Vector3D res = new Vector3D();
res.x = input.ReadDouble();
res.y = input.ReadDouble();
res.z = input.ReadDouble();
bin.Add(res);
}
if (type == typeof(Vector4D))
{
Vector4D res = new Vector4D();
res.x = input.ReadDouble();
res.y = input.ReadDouble();
res.z = input.ReadDouble();
res.w = input.ReadDouble();
bin.Add(res);
}
if (type == typeof(Matrix4x4))
{
Matrix4x4 res = new Matrix4x4();
for (int j = 0; j < 16; j++) res.Values[j] = input.ReadDouble();
bin.Add(res);
}
if (type == typeof(Stream))
{
Stream res = new MemoryStream();
uint l = input.ReadUint();
if (l > 0)
{
input.CopyTo(res, (int) l);
res.Position = 0;
}
bin.Add(res);
}
if (type == typeof(Time.Time))
{
uint l = input.ReadUint();
var t =input.ReadUnicode((int)l);
var utcTime = Time.Time.StringAsTime("UTC", t, "yyyy-MM-dd HH:mm:ss.ffff");
l = input.ReadUint();
var z = input.ReadUnicode((int)l);
var timestamp = Time.Time.ChangeTimezone(utcTime, z);
bin.Add(timestamp);
}
}
return bin;
}
//Output color
public void SetColor(RGBAColor col)
{
ColorOut = col;
}
protected static RGBAColor unpackColor(byte[] bytes, ref int start)
{
byte[] data = new byte[4];
for (int i = 0; i < 4; i++, start++) data[i] = bytes[start];
if (BitConverter.IsLittleEndian) data = swapEndian(data);
var col = new RGBAColor();
col.R = (double)data[0] / 255.0;
col.G = (double)data[1] / 255.0;
col.B = (double)data[2] / 255.0;
col.A = (double)data[3] / 255.0;
return col;
}
public bool Equals(RGBAColor other)
{
return(this.R == other.R && this.G == other.G && this.B == other.B && this.A == other.A);
}