public AdobeVerticalColourSlider()
{
// This call is required by the Windows.Forms Form Designer.
InitializeComponent();
// Initialize Colors
_hsb = new AdobeColours.HSB();
_hsb.H = 1.0;
_hsb.S = 1.0;
_hsb.B = 1.0;
_rgb = AdobeColours.HSB_to_RGB(_hsb);
_baseColourComponent = ColourComponent.HUE;
}
private void ResetHSLRGB()
{
int red,
green,
blue;
switch (_baseColourComponent)
{
case ColourComponent.HUE:
_hsb.S = _markerX / 255.0;
_hsb.B = 1.0 - _markerY / 255.0;
_rgb = AdobeColours.HSB_to_RGB(_hsb);
break;
case ColourComponent.SATURATION:
_hsb.H = _markerX / 255.0;
_hsb.B = 1.0 - _markerY / 255.0;
_rgb = AdobeColours.HSB_to_RGB(_hsb);
break;
case ColourComponent.BRIGHTESS:
_hsb.H = _markerX / 255.0;
_hsb.S = 1.0 - _markerY / 255.0;
_rgb = AdobeColours.HSB_to_RGB(_hsb);
break;
case ColourComponent.RED:
blue = _markerX;
green = 255 - _markerY;
_rgb = Color.FromArgb(_rgb.R, green, blue);
_hsb = AdobeColours.RGB_to_HSB(_rgb);
break;
case ColourComponent.GREEN:
blue = _markerX;
red = 255 - _markerY;
_rgb = Color.FromArgb(red, _rgb.G, blue);
_hsb = AdobeColours.RGB_to_HSB(_rgb);
break;
case ColourComponent.BLUE:
red = _markerX;
green = 255 - _markerY;
_rgb = Color.FromArgb(red, green, _rgb.B);
_hsb = AdobeColours.RGB_to_HSB(_rgb);
break;
}
}
private AdobeColours.HSB GetColour(int x, int y)
{
AdobeColours.HSB _hsb = new AdobeColours.HSB();
switch (_baseColourComponent)
{
case ColourComponent.HUE:
_hsb.H = _hsb.H;
_hsb.S = x / 255.0;
_hsb.B = 1.0 - y / 255.0;
break;
case ColourComponent.SATURATION:
_hsb.S = _hsb.S;
_hsb.H = x / 255.0;
_hsb.B = 1.0 - (double)y / 255;
break;
case ColourComponent.BRIGHTESS:
_hsb.B = _hsb.B;
_hsb.H = x / 255.0;
_hsb.S = 1.0 - (double)y / 255;
break;
case ColourComponent.RED:
_hsb = AdobeColours.RGB_to_HSB(Color.FromArgb(_rgb.R, 255 - y, x));
break;
case ColourComponent.GREEN:
_hsb = AdobeColours.RGB_to_HSB(Color.FromArgb(255 - y, _rgb.G, x));
break;
case ColourComponent.BLUE:
_hsb = AdobeColours.RGB_to_HSB(Color.FromArgb(x, 255 - y, _rgb.B));
break;
}
return(_hsb);
}
/// <summary>
/// Resets the controls colour (both HSL and RGB variables) based on the current slider position
/// </summary>
private void ResetHSLRGB()
{
int height = this.Height - 9;
switch (_baseColourComponent)
{
case ColourComponent.HUE:
_hsb.H = 1.0 - (double)_markerStartY / height;
_rgb = AdobeColours.HSB_to_RGB(_hsb);
break;
case ColourComponent.SATURATION:
_hsb.S = 1.0 - (double)_markerStartY / height;
_rgb = AdobeColours.HSB_to_RGB(_hsb);
break;
case ColourComponent.BRIGHTESS:
_hsb.B = 1.0 - (double)_markerStartY / height;
_rgb = AdobeColours.HSB_to_RGB(_hsb);
break;
case ColourComponent.RED:
_rgb = Color.FromArgb(255 - (int)Math.Round(255 * (double)_markerStartY / height), _rgb.G, _rgb.B);
_hsb = AdobeColours.RGB_to_HSB(_rgb);
break;
case ColourComponent.GREEN:
_rgb = Color.FromArgb(_rgb.R, 255 - (int)Math.Round(255 * (double)_markerStartY / height), _rgb.B);
_hsb = AdobeColours.RGB_to_HSB(_rgb);
break;
case ColourComponent.BLUE:
_rgb = Color.FromArgb(_rgb.R, _rgb.G, 255 - (int)Math.Round(255 * (double)_markerStartY / height));
_hsb = AdobeColours.RGB_to_HSB(_rgb);
break;
}
}
private Bitmap GetColourPlaneBitmap(Rectangle rect, ColourComponent comp)
{
Bitmap map = new Bitmap(rect.Width, rect.Height, PixelFormat.Format24bppRgb);
BitmapData mapData = map.LockBits(
new Rectangle(0, 0, map.Width, map.Height),
ImageLockMode.WriteOnly,
PixelFormat.Format24bppRgb);
unsafe
{
byte *pt0 = (byte *)mapData.Scan0;
Parallel.For(rect.Top, rect.Bottom, y =>
{
int bitmapY = y - rect.Top;
for (int x = rect.Left; x < rect.Right; x++)
{
int bitmapX = x - rect.Left;
Color colour;
switch (comp)
{
case ColourComponent.HUE:
colour = AdobeColours.HSB_to_RGB(new AdobeColours.HSB(
_hsb.H,
x / 255.0,
1 - y / 255.0));
break;
case ColourComponent.SATURATION:
colour = AdobeColours.HSB_to_RGB(new AdobeColours.HSB(
x / 255.0,
_hsb.S,
1 - y / 255.0));
break;
case ColourComponent.BRIGHTESS:
colour = AdobeColours.HSB_to_RGB(new AdobeColours.HSB(
x / 255.0,
1 - y / 255.0,
_hsb.B));
break;
case ColourComponent.RED:
colour = Color.FromArgb(
_rgb.R,
x,
255 - y);
break;
case ColourComponent.GREEN:
colour = Color.FromArgb(
x,
_rgb.G,
255 - y);
break;
case ColourComponent.BLUE:
colour = Color.FromArgb(
x,
255 - y,
_rgb.B);
break;
default:
throw new ArgumentException();
}
if (_webSafeColoursOnly)
{
colour = AdobeColours.GetNearestWebSafeColour(colour);
}
byte *pt = pt0 + mapData.Stride * bitmapY + 3 * bitmapX;
pt[2] = colour.R;
pt[1] = colour.G;
pt[0] = colour.B;
}
});
}
map.UnlockBits(mapData);
return(map);
}
private Bitmap GetColourStripBitmap(Rectangle rect, ColourComponent comp)
{
Bitmap map = new Bitmap(rect.Width, rect.Height, PixelFormat.Format24bppRgb);
BitmapData mapData = map.LockBits(
new Rectangle(0, 0, map.Width, map.Height),
ImageLockMode.WriteOnly,
PixelFormat.Format24bppRgb);
int height = this.Height - 8;
unsafe
{
byte *pt0 = (byte *)mapData.Scan0;
Parallel.For(rect.Top, rect.Bottom, y =>
{
int bitmapY = y - rect.Top;
Color colour;
switch (comp)
{
case ColourComponent.HUE:
colour = AdobeColours.HSB_to_RGB(new AdobeColours.HSB(
1.0 - (double)y / height,
1,
1));
break;
case ColourComponent.SATURATION:
colour = AdobeColours.HSB_to_RGB(new AdobeColours.HSB(
_hsb.H,
1.0 - (double)y / height,
_hsb.B));
break;
case ColourComponent.BRIGHTESS:
colour = AdobeColours.HSB_to_RGB(new AdobeColours.HSB(
_hsb.H,
_hsb.S,
1.0 - (double)y / height));
break;
case ColourComponent.RED:
int red = 255 - (int)Math.Round(255 * (double)y / height);
colour = Color.FromArgb(
red,
_rgb.G,
_rgb.B);
break;
case ColourComponent.GREEN:
int green = 255 - (int)Math.Round(255 * (double)y / height);
colour = Color.FromArgb(
_rgb.R,
green,
_rgb.B);
break;
case ColourComponent.BLUE:
int blue = 255 - (int)Math.Round(255 * (double)y / height);
colour = Color.FromArgb(
_rgb.R,
_rgb.G,
blue);
break;
default:
throw new ArgumentException();
}
if (_webSafeColoursOnly)
{
colour = AdobeColours.GetNearestWebSafeColour(colour);
}
for (int x = rect.Left; x < rect.Right; x++)
{
int bitmapX = x - rect.Left;
byte *pt = pt0 + mapData.Stride * bitmapY + 3 * bitmapX;
pt[2] = colour.R;
pt[1] = colour.G;
pt[0] = colour.B;
}
});
}
map.UnlockBits(mapData);
return(map);
}
