private void CalcCoordsAndUpdate(DRColor.HSV HSV)
{
// Convert color to real-world coordinates and then calculate
// the various points. HSV.Hue represents the degrees (0 to 360),
// HSV.Saturation represents the radius_norm.
// This procedure doesn't draw anything--it simply
// updates class-level variables. The UpdateDisplay
// procedure uses these values to update the screen.
// Given the angle (HSV.Hue), and distance from
// the center (HSV.Saturation), and the center,
// calculate the point corresponding to
// the selected color, on the color wheel.
colorPoint = GetPoint((double)HSV.Hue / 255 * 360,
(double)HSV.Saturation / 255 * radius,
centerPoint);
// Given the brightness (HSV.value), calculate the
// point corresponding to the brightness indicator.
brightnessPoint = CalcBrightnessPoint(HSV.Value);
// Store information about the selected color.
brightness = HSV.Value;
selectedColor = DRColor.HSVtoColor(HSV);
RGB = new DRColor.RGB(HSV);
// The full color is the same as HSV, except that the
// brightness is set to full (255). This is the top-most
// color in the brightness gradient.
fullColor = DRColor.HSVtoColor(new DRColor.HSV(HSV.Hue, HSV.Saturation, 255));
}
public static DRColor.RGB ProperMix(DRColor.RGB a, DRColor.RGB b, double ratio)
{
DRColor.RGB result = new DRColor.RGB();
result.Red = properMixAlgo(b.Red, a.Red);
result.Green = properMixAlgo(b.Green, a.Green);
result.Blue = properMixAlgo(b.Blue, a.Blue);
return result;
}
public void addColor(DRColor.RGB rgb)
{
if (mood.Color_List.Count == 10)
{
mood.Color_List.RemoveAt(0);
}
mood.Color_List.Add(rgb);
}
public static void fillBoth(DRColor.RGB rgb)
{
if (rgb == null) return;
for (int i = 0; i < Globals.KaiLength; i++)
{
Rainbow.KaiSet(i, rgb);
}
update();
}
public static DRColor.RGB MagicMix(DRColor.RGB a, DRColor.RGB b, double ratio)
{
DRColor.RGB result = new DRColor.RGB();
int redDistance = (b.Red - a.Red);
int greenDistance = (b.Green - a.Green);
int blueDistance = (b.Blue - a.Blue);
result.Red = (int)(a.Red + redDistance * ratio);
result.Green = (int)(a.Green + greenDistance * ratio);
result.Blue = (int)(a.Blue + blueDistance * ratio);
return result;
}
private Color[] GetColors()
{
// Create an array of COLOR_COUNT
// colors, looping through all the
// hues between 0 and 255, broken
// into COLOR_COUNT intervals. HSV is
// particularly well-suited for this,
// because the only value that changes
// as you create colors is the Hue.
Color[] Colors = new Color[COLOR_COUNT];
for (int i = 0; i <= COLOR_COUNT - 1; i++)
{
Color temp = DRColor.HSVtoColor(new DRColor.HSV((int)((double)(i * 255) / COLOR_COUNT), 255, 255));
int r = max(temp.R * 2);
int g = max(temp.G * 2);
int b = max(temp.B * 2);
Colors[i] = Color.FromArgb(r, g, b);
}
return(Colors);
}
protected override void OnPaint(PaintEventArgs pe)
{
// Call the OnPaint method of the base class.
base.OnPaint(pe);
if (mood.Color_List.Count != 0)
{
Graphics g = pe.Graphics;
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
Size rect_size = new Size(this.ClientSize.Width / mood.Color_List.Count, this.ClientSize.Height);
int count = 0;
foreach (DRColor.RGB rgb in mood.Color_List)
{
Point p = new Point(count * rect_size.Width, 0);
SolidBrush myBrush = new SolidBrush(DRColor.RGBtoColor(RainbowUtils.increaseBrightness(rgb, 130)));
g.FillEllipse(myBrush, new Rectangle(p, rect_size));
myBrush.Dispose();
count++;
}
}
}
// Immediately updates the ardunio's buffer for the color
private static bool sendClr(int pos, DRColor.RGB rgb, int strip)
{
posClamp(ref pos, 1);
// Create color packet, add 64 for second led strip
byte[] bytes = new byte[4];
bytes[0] = (byte)pos;
if (strip == 2) bytes[0] += (byte)64;
bytes[1] = (byte)rgb.Red;
bytes[2] = (byte)rgb.Green;
bytes[3] = (byte)rgb.Blue;
int bytesWritten = 0;
ErrorCode ec = ErrorCode.None;
if (Connected)
{
ec = writer.Write(bytes, 2000, out bytesWritten);
}
if(ec == ErrorCode.ResourceBusy)
{
return true;
}
if (ec != ErrorCode.None)
{
throw new Exception(UsbDevice.LastErrorString);
}
return true;
}
public static void ZenSet(int pos, DRColor.RGB rgb)
{
posClamp(ref pos, 2);
_zen[pos] = rgb;
}
private static DRColor.RGB attenuateStrip(DRColor.RGB clr)
{
float dim = 0.3f;
DRColor.RGB new_clr = new DRColor.RGB((int)(clr.Red * dim), (int)(clr.Green * dim), (int)(clr.Blue * dim));
return new_clr;
}
public ColorWheel(Rectangle colorRectangle, Rectangle brightnessRectangle, Rectangle selectedColorRectangle, DRColor.HSV default_color)
{
// Caller must provide locations for color wheel
// (colorRectangle), brightness "strip" (brightnessRectangle)
// and location to display selected color (selectedColorRectangle).
using (GraphicsPath path = new GraphicsPath())
{
// Store away locations for later use.
this.colorRectangle = colorRectangle;
this.brightnessRectangle = brightnessRectangle;
this.selectedColorRectangle = selectedColorRectangle;
// Calculate the center of the circle.
// Start with the location, then offset
// the point by the radius_norm.
// Use the smaller of the width and height of
// the colorRectangle value.
this.radius = (int)Math.Min(colorRectangle.Width, colorRectangle.Height) / 2;
this.centerPoint = colorRectangle.Location;
this.centerPoint.Offset(radius, radius);
// Start the pointer in the center.
this.colorPoint = this.centerPoint;
// Create angle region corresponding to the color circle.
// Code uses this later to determine if angle specified
// point is within the region, using the IsVisible
// method.
path.AddEllipse(colorRectangle);
_colorRegion = new Region(path);
// set { the range for the brightness selector.
this.brightnessMin = this.brightnessRectangle.Top;
this.brightnessMax = this.brightnessRectangle.Bottom;
// Create angle region corresponding to the
// brightness rectangle, with angle little extra
// "breathing room".
path.AddRectangle(new Rectangle(brightnessRectangle.Left, brightnessRectangle.Top - 10, brightnessRectangle.Width + 10, brightnessRectangle.Height + 20));
// Create region corresponding to brightness
// rectangle. Later code uses this to
// determine if angle specified point is within
// the region, using the IsVisible method.
_brightnessRegion = new Region(path);
// Set the location for the brightness indicator "marker".
// Also calculate the scaling factor, scaling the height
// to be between 0 and 255.
brightnessX = brightnessRectangle.Left + brightnessRectangle.Width;
brightnessScaling = (double)255 / (brightnessMax - brightnessMin);
// Calculate the location of the brightness
// pointer. Assume it's at the highest position.
brightnessPoint = new Point(brightnessX, brightnessMax);
// Create the bitmap that contains the circular gradient.
CreateGradient();
CalcCoordsAndUpdate(default_color);
}
}
private void SetHSV( DRColor.HSV HSV)
{
if (HSV == null)
return;
// Update the HSV values on the form.
RefreshValue(hsbHue, HSV.Hue);
RefreshValue(hsbSaturation, HSV.Saturation);
RefreshValue(hsbBrightness, HSV.Value);
SetHSVLabels(HSV);
}
public void Draw(Graphics g, DRColor.HSV HSV)
{
// Given HSV values, update the screen.
this._g = g;
this.HSV = HSV;
CalcCoordsAndUpdate(this.HSV);
UpdateDisplay();
}
protected void OnColorChanged(DRColor.RGB RGB, DRColor.HSV HSV)
{
ColorChangedEventArgs e = new ColorChangedEventArgs(RGB, HSV);
ColorChanged(this, e);
}
public static DRColor.RGB equalMix(DRColor.RGB a, DRColor.RGB b)
{
return new DRColor.RGB((a.Red + b.Red) / 2, (a.Green + b.Green) / 2, (a.Blue + b.Blue) / 2);
}
public static DRColor.RGB addHighest(DRColor.RGB a, DRColor.RGB b)
{
return new DRColor.RGB(Math.Max(b.Red, a.Red), Math.Max(b.Green, a.Green), Math.Max(b.Blue, a.Blue));
}
public void Draw(Graphics g, Point mousePoint)
{
// You've moved the mouse.
// Now update the screen to match.
double distance;
int degrees;
Point delta;
Point newColorPoint;
Point newBrightnessPoint;
Point newPoint;
// Keep track of the previous color pointer point,
// so you can put the mouse there in case the
// user has clicked outside the circle.
newColorPoint = colorPoint;
newBrightnessPoint = brightnessPoint;
// Store this away for later use.
this._g = g;
if (currentState == MouseState.MouseUp)
{
if (!mousePoint.IsEmpty)
{
if (_colorRegion.IsVisible(mousePoint))
{
// Is the mouse point within the color circle?
// If so, you just clicked on the color wheel.
currentState = MouseState.ClickOnColor;
}
else if (_brightnessRegion.IsVisible(mousePoint))
{
// Is the mouse point within the brightness area?
// You clicked on the brightness area.
currentState = MouseState.ClickOnBrightness;
}
else
{
// Clicked outside the color and the brightness
// regions. In that case, just put the
// pointers back where they were.
currentState = MouseState.ClickOutsideRegion;
}
}
}
switch (currentState)
{
case MouseState.ClickOnBrightness:
case MouseState.DragInBrightness:
// Calculate new color information
// based on the brightness, which may have changed.
newPoint = mousePoint;
if (newPoint.Y < brightnessMin)
{
newPoint.Y = brightnessMin;
}
else if (newPoint.Y > brightnessMax)
{
newPoint.Y = brightnessMax;
}
newBrightnessPoint = new Point(brightnessX, newPoint.Y);
brightness = (int)((brightnessMax - newPoint.Y) * brightnessScaling);
HSV.Value = brightness;
RGB = new DRColor.RGB(HSV);
break;
case MouseState.ClickOnColor:
case MouseState.DragInColor:
// Calculate new color information
// based on selected color, which may have changed.
newColorPoint = mousePoint;
// Calculate x and y distance from the center,
// and then calculate the angle corresponding to the
// new location.
delta = new Point(
mousePoint.X - centerPoint.X, mousePoint.Y - centerPoint.Y);
degrees = CalcDegrees(delta);
// Calculate distance from the center to the new point
// as angle fraction of the radius_norm. Use your old friend,
// the Pythagorean theorem, to calculate this value.
distance = Math.Sqrt(delta.X * delta.X + delta.Y * delta.Y) / radius;
if (currentState == MouseState.DragInColor)
{
if (distance > 1)
{
// Mouse is down, and outside the circle, but you
// were previously dragging in the color circle.
// What to do?
// In that case, move the point to the edge of the
// circle at the correct angle.
distance = 1;
newColorPoint = GetPoint(degrees, radius, centerPoint);
}
}
// Calculate the new HSV and RGB values.
HSV.Hue = (int)(degrees * 255 / 360);
HSV.Saturation = (int)(distance * 255);
HSV.Value = brightness;
RGB = new DRColor.RGB(HSV);
fullColor = DRColor.HSVtoColor(new DRColor.HSV(HSV.Hue, HSV.Saturation, 255));
break;
}
selectedColor = DRColor.HSVtoColor(HSV);
// Raise an event back to the parent form,
// so the form can update any UI it's using
// to display selected color values.
// On the way out, set the new state.
switch (currentState)
{
case MouseState.ClickOnBrightness:
currentState = MouseState.DragInBrightness;
break;
case MouseState.ClickOnColor:
currentState = MouseState.DragInColor;
break;
case MouseState.ClickOutsideRegion:
currentState = MouseState.DragOutsideRegion;
break;
}
// Store away the current points for next time.
colorPoint = newColorPoint;
brightnessPoint = newBrightnessPoint;
// Draw the gradients and points.
UpdateDisplay();
OnColorChanged(RGB, HSV);
}
// a * perc + b * (1- perc)
public static DRColor.RGB variableMix(DRColor.RGB a, DRColor.RGB b, double perc)
{
return new DRColor.RGB((int)(a.Red * perc + b.Red * (1 - perc)), (int)(a.Green * perc + b.Green * (1 - perc)), (int)(a.Blue * perc + b.Blue * (1 - perc)));
}
private void SetRGBLabels(DRColor.RGB RGB)
{
RefreshText(lblRed, RGB.Red);
RefreshText(lblBlue, RGB.Blue);
RefreshText(lblGreen, RGB.Green);
}
private void SetRGB(DRColor.RGB RGB)
{
if (RGB == null)
return;
// Update the RGB values on the form.
RefreshValue(hsbRed, RGB.Red);
RefreshValue(hsbBlue, RGB.Blue);
RefreshValue(hsbGreen, RGB.Green);
SetRGBLabels(RGB);
}
private void SetHSVLabels(DRColor.HSV HSV)
{
RefreshText(lblHue, HSV.Hue);
RefreshText(lblSaturation, HSV.Saturation);
RefreshText(lblBrightness, HSV.Value);
}
/*
* Used to push LED changes to strip.
*/
private static bool update(DRColor.RGB[] main, DRColor.RGB[] buffer, int length, int strip)
{
bool hasChanged = false;
for (int i = 0; i < length; i++)
{
if (main[i].different(buffer[i]))
{
hasChanged = true;
sendClr(i, main[i], strip);
}
}
Array.Copy(main, buffer, length);
return hasChanged;
}
public static DRColor.RGB increaseBrightness(DRColor.RGB rgb, int amt)
{
DRColor.HSV hsv = new DRColor.HSV(rgb);
hsv.Value = hsv.Value + amt > 256 ? 256 : hsv.Value + amt;
return new DRColor.RGB(hsv);
}
private DRColor.RGB AdjustVal(DRColor.RGB rgb, double perc)
{
DRColor.HSV hsv = new DRColor.HSV(rgb);
hsv.Value = (int)(hsv.Value * perc);
return new DRColor.RGB(hsv);
}
public RGB(DRColor.HSV hsv)
{
if (hsv == null)
{
_red = 0;
_green = 0;
_blue = 0;
return;
}
// HSV contains values scaled as in the color wheel:
// that is, all from 0 to 128.
// for ( this code to work, HSV.Hue needs
// to be scaled from 0 to 360 (it//s the angle of the selected
// point within the circle). HSV.Saturation and HSV.value must be
// scaled to be between 0 and 1.
double h;
double s;
double v;
double r = 0;
double g = 0;
double b = 0;
// Scale Hue to be between 0 and 360. Saturation
// and value scale to be between 0 and 1.
h = ((double)hsv.Hue / 255 * 360) % 360;
s = (double)hsv.Saturation / 255;
v = (double)hsv.Value / 255;
if (s == 0)
{
// If s is 0, all colors are the same.
// This is some flavor of gray.
r = v;
g = v;
b = v;
}
else
{
double p;
double q;
double t;
double fractionalSector;
int sectorNumber;
double sectorPos;
// The color wheel consists of 6 sectors.
// Figure out which sector you//re in.
sectorPos = h / 60;
sectorNumber = (int)(Math.Floor(sectorPos));
// get the fractional part of the sector.
// That is, how many degrees into the sector
// are you?
fractionalSector = sectorPos - sectorNumber;
// Calculate values for the three axes
// of the color.
p = v * (1 - s);
q = v * (1 - (s * fractionalSector));
t = v * (1 - (s * (1 - fractionalSector)));
// Assign the fractional colors to radius_norm, _g, and b
// based on the sector the angle is in.
switch (sectorNumber)
{
case 0:
r = v;
g = t;
b = p;
break;
case 1:
r = q;
g = v;
b = p;
break;
case 2:
r = p;
g = v;
b = t;
break;
case 3:
r = p;
g = q;
b = v;
break;
case 4:
r = t;
g = p;
b = v;
break;
case 5:
r = v;
g = p;
b = q;
break;
}
}
// return an RGB structure, with values scaled
// to be between 0 and 255.
this.setRed((int)(r * 128));
this.setGreen((int)(g * 128));
this.setBlue((int)(b * 128));
}
public void Draw(Graphics g, DRColor.RGB RGB)
{
// Given RGB values, calculate HSV and then update the screen.
this._g = g;
this.HSV = new DRColor.HSV(RGB);
CalcCoordsAndUpdate(this.HSV);
UpdateDisplay();
}
public HSV(DRColor.RGB rgb)
{
// In this function, R, G, and B values must be scaled
// to be between 0 and 1.
// HSV.Hue will be angle value between 0 and 360, and
// HSV.Saturation and value are between 0 and 1.
// The code must scale these to be between 0 and 255 for
// the purposes of this application.
double min;
double max;
double delta;
double r = (double)rgb.Red / 128;
double g = (double)rgb.Green/ 128;
double b = (double)rgb.Blue / 128;
double h;
double s;
double v;
min = Math.Min(Math.Min(r, g), b);
max = Math.Max(Math.Max(r, g), b);
v = max;
delta = max - min;
if (max == 0 || delta == 0)
{
// R, G, and B must be 0, or all the same.
// In this case, S is 0, and H is undefined.
// Using H = 0 is as good as any...
s = 0;
h = 0;
}
else
{
s = delta / max;
if (r == max)
{
// Between Yellow and Magenta
h = (g - b) / delta;
}
else if (g == max)
{
// Between Cyan and Yellow
h = 2 + (b - r) / delta;
}
else
{
// Between Magenta and Cyan
h = 4 + (r - g) / delta;
}
}
// Scale height to be between 0 and 360.
// This may require adding 360, if the value
// is negative.
h *= 60;
if (h < 0)
{
h += 360;
}
// Scale to the requirements of this
// application. All values are between 0 and 255.
Hue = (int)(h / 360 * 255);
Saturation = (int)(s * 255);
Value = (int)(v * 255);
}
private void CalcCoordsAndUpdate(DRColor.HSV HSV)
{
// Convert color to real-world coordinates and then calculate
// the various points. HSV.Hue represents the degrees (0 to 360),
// HSV.Saturation represents the radius_norm.
// This procedure doesn't draw anything--it simply
// updates class-level variables. The UpdateDisplay
// procedure uses these values to update the screen.
// Given the angle (HSV.Hue), and distance from
// the center (HSV.Saturation), and the center,
// calculate the point corresponding to
// the selected color, on the color wheel.
colorPoint = GetPoint((double)HSV.Hue / 255 * 360,
(double)HSV.Saturation / 255 * radius,
centerPoint);
// Given the brightness (HSV.value), calculate the
// point corresponding to the brightness indicator.
brightnessPoint = CalcBrightnessPoint(HSV.Value);
// Store information about the selected color.
brightness = HSV.Value;
selectedColor = DRColor.HSVtoColor(HSV);
RGB = new DRColor.RGB(HSV);
// The full color is the same as HSV, except that the
// brightness is set to full (255). This is the top-most
// color in the brightness gradient.
fullColor = DRColor.HSVtoColor(new DRColor.HSV(HSV.Hue, HSV.Saturation, 255));
}
// Gurantees position isn't out of bounds
public static void KaiSet(int pos, DRColor.RGB rgb)
{
posClamp(ref pos, 1);
_kai[pos] = rgb;
}
public MoodSeq(DRColor.RGB rgb)
{
Color_List.Add(rgb);
}
public ColorChangedEventArgs(DRColor.RGB RGB, DRColor.HSV HSV)
{
mRGB = RGB;
mHSV = HSV;
}