static unsafe ColorBgra GetPercentileOfColor(ColorBgra color, int area, int *hb, int *hg, int *hr, int *ha)
{
int rc = 0;
int gc = 0;
int bc = 0;
for (int i = 0; i < color.R; ++i)
{
rc += hr[i];
}
for (int i = 0; i < color.G; ++i)
{
gc += hg[i];
}
for (int i = 0; i < color.B; ++i)
{
bc += hb[i];
}
rc = (rc * 255) / area;
gc = (gc * 255) / area;
bc = (bc * 255) / area;
return(ColorBgra.FromBgr((byte)bc, (byte)gc, (byte)rc));
}
public override ColorBgra Apply(ColorBgra color)
{
// Adjust saturation
var intensity = color.GetIntensityByte();
color.R = Utility.ClampToByte((intensity * 1024 + (color.R - intensity) * sat_factor) >> 10);
color.G = Utility.ClampToByte((intensity * 1024 + (color.G - intensity) * sat_factor) >> 10);
color.B = Utility.ClampToByte((intensity * 1024 + (color.B - intensity) * sat_factor) >> 10);
var hsvColor = (new RgbColor(color.R, color.G, color.B)).ToHsv();
int hue = hsvColor.Hue;
hue += hue_delta;
while (hue < 0)
{
hue += 360;
}
while (hue > 360)
{
hue -= 360;
}
hsvColor.Hue = hue;
var rgbColor = hsvColor.ToRgb();
var newColor = ColorBgra.FromBgr((byte)rgbColor.Blue, (byte)rgbColor.Green, (byte)rgbColor.Red);
newColor = blend_op.Apply(newColor);
newColor.A = color.A;
return(newColor);
}
public ColorBgra ToColorBgra()
{
return(ColorBgra.FromBgr(
this.Red.ConvertToByte(),
this.Green.ConvertToByte(),
this.Blue.ConvertToByte()));
}
/// <summary>
/// Returns the color after scaling the sums. Alpha is ignored.
/// </summary>
/// <returns></returns>
public static ColorBgra FromBgrSumScaled(float sumB, float sumG, float sumR, float scale)
{
byte red = Utility.ClampToByte(Math.Round(sumR * scale));
byte green = Utility.ClampToByte(Math.Round(sumG * scale));
byte blue = Utility.ClampToByte(Math.Round(sumB * scale));
return(ColorBgra.FromBgr(blue, green, red));
}
public override ColorBgra Apply(ColorBgra color)
{
byte value = (byte)(HslDifference(color, FilterColor) * 255 / 240);
if (Grayscale)
{
if (!Invert)
{
value = (byte)(255 - value);
}
return(ColorBgra.FromBgr(value, value, value));
}
return(value < Tolerance ? TransparentColor : OpaqueColor);
}
public override ColorBgra Apply(ColorBgra color)
{
byte value = (byte)(Math.Abs(color.GetBrightness() - FilterColor.GetBrightness()) * 255);
if (Grayscale)
{
if (!Invert)
{
value = (byte)(255 - value);
}
return(ColorBgra.FromBgr(value, value, value));
}
return(value < Tolerance ? TransparentColor : OpaqueColor);
}
public override ColorBgra Apply(ColorBgra color)
{
byte value = color.MaxDeviance(FilterColor);
if (Grayscale)
{
if (!Invert)
{
value = (byte)(255 - value);
}
return(ColorBgra.FromBgr(value, value, value));
}
return(value < Tolerance ? TransparentColor : OpaqueColor);
}
protected override void OnPropertyValueChanged()
{
this.inOnPropertyValueChanged++;
try
{
int num = base.Property.Value;
int red = (num >> 0x10) & 0xff;
int green = (num >> 8) & 0xff;
int blue = num & 0xff;
this.SetPropertyValueFromRgb(red, green, blue);
this.colorRectangle.RectangleColor = ColorBgra.FromBgr((byte)blue, (byte)green, (byte)red).ToColor();
}
finally
{
this.inOnPropertyValueChanged--;
}
}
protected override void OnSetRenderInfo(PropertyBasedEffectConfigToken newToken, RenderArgs dstArgs, RenderArgs srcArgs)
{
Rectangle selection = EnvironmentParameters.GetSelection(srcArgs.Surface.Bounds).GetBoundsInt();
Surface selectionSurface = new Surface(selection.Width, selection.Height);
selectionSurface.CopySurface(srcArgs.Surface, selection);
Surface stretchedSurface = new Surface(selection.Width * 2, selection.Height);
stretchedSurface.FitSurface(ResamplingAlgorithm.Bicubic, selectionSurface);
processedSurface = new Surface(srcArgs.Surface.Size);
ColorBgra t;
for (int y = 0; y < stretchedSurface.Height; y++)
{
if (IsCancelRequested)
{
return;
}
int v = selection.Left;
for (int x = 0; x < stretchedSurface.Width; x += 2)
{
if (x % 2 == 0)
{
t.R = stretchedSurface[x, y].R;
t.G = stretchedSurface[x + 1, y].G;
if (x != stretchedSurface.Width - 2)
{
t.B = stretchedSurface[x + 2, y].B;
}
else
{
t.B = (byte)((stretchedSurface[stretchedSurface.Width - 1, y].B + stretchedSurface[stretchedSurface.Width - 2, y].B) >> 1);
}
processedSurface[v, y + selection.Top] = ColorBgra.FromBgr(t.B, t.G, t.R);
v++;
}
}
}
base.OnSetRenderInfo(newToken, dstArgs, srcArgs);
}
public Bitmap Bitmap()
{
Bitmap returnBitmap = new Bitmap(x, y);
for (int j = 0; j < y; j++)
{
for (int i = 0; i < x; i++)
{
float r, g, b;
r = data[((y - j - 1) * x + i) * 3 + 2] * 255.0f;
g = data[((y - j - 1) * x + i) * 3 + 1] * 255.0f;
b = data[((y - j - 1) * x + i) * 3 + 0] * 255.0f;
returnBitmap.SetPixel(i, j, ColorBgra.FromBgr((byte)b, (byte)g, (byte)r));
}
}
return(returnBitmap);
}
private int inOnPropertyValueChanged = 0; // this field is necessary to avoid having Effect`1.OnSetRenderInfo() called 3-4+ times at effect startup
protected override void OnPropertyValueChanged()
{
++this.inOnPropertyValueChanged;
try
{
int value = Property.Value;
int red = (value >> 16) & 0xff;
int green = (value >> 8) & 0xff;
int blue = value & 0xff;
SetPropertyValueFromRgb(red, green, blue);
ColorBgra color = ColorBgra.FromBgr((byte)blue, (byte)green, (byte)red);
this.colorRectangle.RectangleColor = color.ToColor();
}
finally
{
--this.inOnPropertyValueChanged;
}
}
private void SetSliderGradients()
{
HsvColor h = wheel.HsvColor;
ColorBgra c = wheel.Color;
rslider.Gradient = new ColorBgra[] { ColorBgra.FromBgr(c.B, c.G, 0), ColorBgra.FromBgr(c.B, c.G, 255) };
gslider.Gradient = new ColorBgra[] { ColorBgra.FromBgr(c.B, 0, c.R), ColorBgra.FromBgr(c.B, 255, c.R) };
bslider.Gradient = new ColorBgra[] { ColorBgra.FromBgr(0, c.G, c.R), ColorBgra.FromBgr(255, c.G, c.R) };
aslider.Gradient = new ColorBgra[] { ColorBgra.FromBgra(c.B, c.G, c.R, 0), ColorBgra.FromBgra(c.B, c.G, c.R, 255) };
sslider.Gradient = new ColorBgra[] { new HsvColor(h.Hue, 0, h.Value).ToColorBgra(), new HsvColor(h.Hue, 100, h.Value).ToColorBgra() };
vslider.Gradient = new ColorBgra[] { new HsvColor(h.Hue, h.Saturation, 0).ToColorBgra(), new HsvColor(h.Hue, h.Saturation, 100).ToColorBgra() };
if (hslider.Gradient == null)
{
ColorBgra[] hues = new ColorBgra[361];
for (int hue = 0; hue <= 360; ++hue)
{
hues[hue] = new HsvColor(hue, 100, 100).ToColorBgra();
}
hslider.Gradient = hues;
}
}
public static Func <double, ColorBgra> GetGetColorFunc(this ValueSources valueSource)
{
if (valueSource == ValueSources.Red)
{
return((red) => { return ColorBgra.FromBgr(0, 0, (byte)Math.Round(255 * red)); });
}
if (valueSource == ValueSources.Green)
{
return((green) => { return ColorBgra.FromBgr(0, (byte)Math.Round(255 * green), 0); });
}
if (valueSource == ValueSources.Blue)
{
return((blue) => { return ColorBgra.FromBgr((byte)Math.Round(255 * blue), 0, 0); });
}
//if (valueSource == ValueSources.Intensity)
return((intensity) =>
{
byte i = (byte)Math.Round(255 * intensity);
return ColorBgra.FromBgr(i, i, i);
});
}
public override void Render(Surface src, Surface dst, Rectangle[] rois, int startIndex, int length)
{
unsafe
{
// Glow backgound
glowRenderer.Render(src, dst, rois, startIndex, length);
// Create black outlines by finding the edges of objects
for (int i = startIndex; i < startIndex + length; ++i)
{
Rectangle roi = rois[i];
for (int y = roi.Top; y < roi.Bottom; ++y)
{
int top = y - radius;
int bottom = y + radius + 1;
if (top < 0)
{
top = 0;
}
if (bottom > dst.Height)
{
bottom = dst.Height;
}
ColorBgra *srcPtr = src.GetPointAddress(roi.X, y);
ColorBgra *dstPtr = src.GetPointAddress(roi.X, y);
for (int x = roi.Left; x < roi.Right; ++x)
{
int left = x - radius;
int right = x + radius + 1;
if (left < 0)
{
left = 0;
}
if (right > dst.Width)
{
right = dst.Width;
}
int r = 0;
int g = 0;
int b = 0;
for (int v = top; v < bottom; v++)
{
ColorBgra *pRow = src.GetRowAddress(v);
int j = v - y + radius;
for (int u = left; u < right; u++)
{
int i1 = u - x + radius;
int w = conv[j][i1];
ColorBgra *pRef = pRow + u;
r += pRef->R * w;
g += pRef->G * w;
b += pRef->B * w;
}
}
ColorBgra topLayer = ColorBgra.FromBgr(
PixelUtils.ClampToByte(b),
PixelUtils.ClampToByte(g),
PixelUtils.ClampToByte(r));
// Desaturate
topLayer = this.desaturateOp.Apply(topLayer);
// Adjust Brightness and Contrast
if (topLayer.R > (this.inkOutline * 255 / 100))
{
topLayer = ColorBgra.FromBgra(255, 255, 255, topLayer.A);
}
else
{
topLayer = ColorBgra.FromBgra(0, 0, 0, topLayer.A);
}
// Change Blend Mode to Darken
ColorBgra myPixel = this.darkenOp.Apply(topLayer, *dstPtr);
* dstPtr = myPixel;
++srcPtr;
++dstPtr;
}
}
}
}
}
public unsafe override void Render(ImageSurface src, ImageSurface dest, Gdk.Rectangle[] rois)
{
// Glow backgound
glowEffect.Data.Radius = 6;
glowEffect.Data.Brightness = -(Data.Coloring - 50) * 2;
glowEffect.Data.Contrast = -(Data.Coloring - 50) * 2;
this.glowEffect.Render(src, dest, rois);
// Create black outlines by finding the edges of objects
foreach (Gdk.Rectangle roi in rois)
{
for (int y = roi.Top; y < roi.Bottom; ++y)
{
int top = y - radius;
int bottom = y + radius + 1;
if (top < 0)
{
top = 0;
}
if (bottom > dest.Height)
{
bottom = dest.Height;
}
ColorBgra *srcPtr = src.GetPointAddress(roi.X, y);
ColorBgra *dstPtr = dest.GetPointAddress(roi.X, y);
for (int x = roi.Left; x < roi.Right; ++x)
{
int left = x - radius;
int right = x + radius + 1;
if (left < 0)
{
left = 0;
}
if (right > dest.Width)
{
right = dest.Width;
}
int r = 0;
int g = 0;
int b = 0;
int src_width = src.Width;
ColorBgra *src_dataptr = (ColorBgra *)src.DataPtr;
for (int v = top; v < bottom; v++)
{
ColorBgra *pRow = src.GetRowAddressUnchecked(src_dataptr, src_width, v);
int j = v - y + radius;
for (int u = left; u < right; u++)
{
int i1 = u - x + radius;
int w = conv[j][i1];
ColorBgra *pRef = pRow + u;
r += pRef->R * w;
g += pRef->G * w;
b += pRef->B * w;
}
}
ColorBgra topLayer = ColorBgra.FromBgr(
Utility.ClampToByte(b),
Utility.ClampToByte(g),
Utility.ClampToByte(r));
// Desaturate
topLayer = this.desaturateOp.Apply(topLayer);
// Adjust Brightness and Contrast
if (topLayer.R > (Data.InkOutline * 255 / 100))
{
topLayer = ColorBgra.FromBgra(255, 255, 255, topLayer.A);
}
else
{
topLayer = ColorBgra.FromBgra(0, 0, 0, topLayer.A);
}
// Change Blend Mode to Darken
ColorBgra myPixel = this.darkenOp.Apply(topLayer, *dstPtr);
* dstPtr = myPixel;
++srcPtr;
++dstPtr;
}
}
}
}
public static ColorBgra ToColorBgra(this HsvColor color)
{
// HsvColor contains values scaled as in the color wheel:
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)color.Hue % 360;
s = (double)color.Saturation / 100;
v = (double)color.Value / 100;
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 r, 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 RgbColor structure, with values scaled
// to be between 0 and 255.
return(ColorBgra.FromBgr((byte)(b * 255), (byte)(g * 255), (byte)(r * 255)));
}
protected unsafe override void RenderLine(ISurface src, ISurface dest, Rectangle roi)
{
// Glow backgound
glow_effect.Render(src, dest, roi);
// Create black outlines by finding the edges of objects
for (int y = roi.Top; y <= roi.Bottom; ++y)
{
int top = y - radius;
int bottom = y + radius + 1;
if (top < 0)
{
top = 0;
}
if (bottom > dest.Height)
{
bottom = dest.Height;
}
ColorBgra *srcPtr = src.GetPointAddress(roi.X, y);
ColorBgra *dstPtr = dest.GetPointAddress(roi.X, y);
for (int x = roi.Left; x <= roi.Right; ++x)
{
int left = x - radius;
int right = x + radius + 1;
if (left < 0)
{
left = 0;
}
if (right > dest.Width)
{
right = dest.Width;
}
int r = 0;
int g = 0;
int b = 0;
for (int v = top; v < bottom; v++)
{
ColorBgra *pRow = src.GetRowAddress(v);
int j = v - y + radius;
for (int u = left; u < right; u++)
{
int i1 = u - x + radius;
int w = conv[j][i1];
ColorBgra *pRef = pRow + u;
r += pRef->R * w;
g += pRef->G * w;
b += pRef->B * w;
}
}
ColorBgra topLayer = ColorBgra.FromBgr(
Utility.ClampToByte(b),
Utility.ClampToByte(g),
Utility.ClampToByte(r));
// Desaturate
topLayer = this.desaturate_op.Apply(topLayer);
// Adjust Brightness and Contrast
if (topLayer.R > (ink_outline * 255 / 100))
{
topLayer = ColorBgra.FromBgra(255, 255, 255, topLayer.A);
}
else
{
topLayer = ColorBgra.FromBgra(0, 0, 0, topLayer.A);
}
// Change Blend Mode to Darken
ColorBgra myPixel = this.darken_op.Apply(topLayer, *dstPtr);
* dstPtr = myPixel;
++srcPtr;
++dstPtr;
}
}
}
private void ShowContextMenu(Control sender, Point location, bool colorsOnly)
{
contextMenu.Items.Clear();
using (Surface sfc = new Surface(16, 16))
{
contextMenu.Items.Add(new ToolStripLabel("Background"));
contextMenu.Items.Add(new ToolStripSeparator());
sfc.ClearWithCheckerboardPattern();
if (!colorsOnly)
{
contextMenu.Items.Add("Transparent", new Bitmap(sfc.CreateAliasedBitmap()), (s, e) =>
{
sender.BackgroundImage = null;
sender.BackColor = Color.Transparent;
});
}
sfc.Clear(ColorBgra.Black);
contextMenu.Items.Add("Black", new Bitmap(sfc.CreateAliasedBitmap()), (s, e) =>
{
sender.BackgroundImage = null;
sender.BackColor = Color.Black;
});
sfc.Clear(ColorBgra.White);
contextMenu.Items.Add("White", new Bitmap(sfc.CreateAliasedBitmap()), (s, e) =>
{
sender.BackgroundImage = null;
sender.BackColor = Color.White;
});
sfc.Clear(ColorBgra.FromBgr(127, 127, 127));
contextMenu.Items.Add("Gray", new Bitmap(sfc.CreateAliasedBitmap()), (s, e) =>
{
sender.BackgroundImage = null;
sender.BackColor = Color.Gray;
});
contextMenu.Items.Add("Other color...", new Bitmap(typeof(Smudge), "images.colorwheel.png"), (s, e) =>
{
ColorBgra c;
if (DialogResult.OK == ShowColorPicker(sender, location, !colorsOnly, out c))
{
sender.BackColor = c.ToColor();
sender.BackgroundImage = null;
}
});
if (!colorsOnly)
{
contextMenu.Items.Add("From clipboard", null, (s, e) =>
{
try
{
sender.BackgroundImage = Clipboard.GetImage();
sender.BackColor = Color.Transparent;
}
catch { }
});
if (Clipboard.ContainsImage())
{
using (Surface fromcb = Surface.CopyFromBitmap((Bitmap)Clipboard.GetImage()))
{
sfc.FitSurface(ResamplingAlgorithm.SuperSampling, fromcb);
contextMenu.Items[7].Image = new Bitmap(sfc.CreateAliasedBitmap());
}
}
else
{
contextMenu.Items[7].Enabled = false;
}
}
}
contextMenu.Show(sender, location);
}
/// <summary>
/// Returns a Point3D object where X = R, Y = G, & Z = B. Alpha is ignored.
/// </summary>
/// <returns></returns>
public static ColorBgra FromPoint3D(Point3D point)
{
return(ColorBgra.FromBgr(Utility.ClampToByte(point.Z),
Utility.ClampToByte(point.Y), Utility.ClampToByte(point.X)));
}
public override ColorBgra GetPercentileColor(float fraction)
{
int[] perc = GetPercentile(fraction);
return(ColorBgra.FromBgr((byte)(perc[0]), (byte)(perc[0]), (byte)(perc[0])));
}
public override ColorBgra GetMeanColor()
{
float[] mean = GetMean();
return(ColorBgra.FromBgr((byte)(mean[0] + 0.5f), (byte)(mean[0] + 0.5f), (byte)(mean[0] + 0.5f)));
}