public LayerProperties()
{
colorReplacement = Color.White;
hslReplacementColor = new HSL();
RGB c = new RGB(colorReplacement);
AForge.Imaging.ColorConverter.RGB2HSL(c,hslReplacementColor);
}
public static bool CheckLines(Bitmap image, Color filterColor)
{
EuclideanColorFiltering ColorFilter = new EuclideanColorFiltering();
// set center colour and radius
AForge.Imaging.RGB color = new AForge.Imaging.RGB(filterColor.R, filterColor.G, filterColor.B, filterColor.A);
ColorFilter.CenterColor = color;
ColorFilter.Radius = 100;
// Apply the filter
ColorFilter.ApplyInPlace(image);
// Define the Blob counter and use it!
BlobCounter blobCounter = new BlobCounter();
blobCounter.MinWidth = 5;
blobCounter.MinHeight = 5;
blobCounter.FilterBlobs = true;
//blobCounter.ObjectsOrder = ObjectsOrder.Size;
blobCounter.ProcessImage(image);
System.Drawing.Rectangle[] rects = blobCounter.GetObjectsRectangles();
if (rects.Length > 0)
{
return(true);
}
return(false);
}
public void SetColor(byte r, byte g, byte b)
{
RGB rgbcolor = new RGB(r,g,b);
this.color = YCbCr.FromRGB(rgbcolor);
this.colorFilter.Cb = new AForge.Range(this.color.Cb - 0.02f, this.color.Cb + 0.02f);
this.colorFilter.Cr = new AForge.Range(this.color.Cr - 0.02f, this.color.Cr + 0.02f);
this.colorFilter.Y = new AForge.Range(this.color.Y - 0.05f, this.color.Y + 0.05f);
this.applyFilters = true;
}
public LayerColor(HSL _color, IntRange _hue_range, DoubleRange _sat_range, DoubleRange _lum_range)
{
color = _color;
hue_range = _hue_range;
sat_range = _sat_range;
lum_range = _lum_range;
RGB rgb = new RGB();
AForge.Imaging.ColorConverter.HSL2RGB(color, rgb);
RGBColor = rgb.Color;
}
/// <summary>
/// Convert from RGB to HSL color space.
/// </summary>
///
/// <param name="rgb">Source color in <b>RGB</b> color space.</param>
/// <param name="hsl">Destination color in <b>HSL</b> color space.</param>
///
/// <remarks><para>See <a href="http://en.wikipedia.org/wiki/HSI_color_space#Conversion_from_RGB_to_HSL_or_HSV">HSL and HSV Wiki</a>
/// for information about the algorithm to convert from RGB to HSL.</para></remarks>
///
public static void FromRGB( RGB rgb, HSL hsl )
{
float r = ( rgb.Red / 255.0f );
float g = ( rgb.Green / 255.0f );
float b = ( rgb.Blue / 255.0f );
float min = Math.Min( Math.Min( r, g ), b );
float max = Math.Max( Math.Max( r, g ), b );
float delta = max - min;
// get luminance value
hsl.Luminance = ( max + min ) / 2;
if ( delta == 0 )
{
// gray color
hsl.Hue = 0;
hsl.Saturation = 0.0f;
}
else
{
// get saturation value
hsl.Saturation = ( hsl.Luminance <= 0.5 ) ? ( delta / ( max + min ) ) : ( delta / ( 2 - max - min ) );
// get hue value
float hue;
if ( r == max )
{
hue = ( ( g - b ) / 6 ) / delta;
}
else if ( g == max )
{
hue = ( 1.0f / 3 ) + ( ( b - r ) / 6 ) / delta;
}
else
{
hue = ( 2.0f / 3 ) + ( ( r - g ) / 6 ) / delta;
}
// correct hue if needed
if ( hue < 0 )
hue += 1;
if ( hue > 1 )
hue -= 1;
hsl.Hue = (int) ( hue * 360 );
}
}
//int redMin = 130;
//int redMax = 255;
public MotionDetector(int sh, int sw)
{
screenHeight=sh;
screenWidth=sw;
GetCameras();
colorFilter.Red = new IntRange(Convert.ToInt32(130), Convert.ToInt32(255));
colorFilter.Green = new IntRange(Convert.ToInt32(30), Convert.ToInt32(120));
colorFilter.Blue = new IntRange(Convert.ToInt32(30), Convert.ToInt32(120));
AForge.Imaging.RGB fc = new RGB(Color.White);
//colorFilter.FillColor = fc;
blobCounter.MinWidth =10;
blobCounter.MinHeight = 10;
blobCounter.MaxWidth =200;
blobCounter.MaxHeight =200;
blobCounter.FilterBlobs = true;
blobCounter.ObjectsOrder = ObjectsOrder.Size;
}
// Convert from RGB to HSL color space
public static void RGB2HSL(RGB rgb, HSL hsl)
{
double r = (rgb.Red / 255.0);
double g = (rgb.Green / 255.0);
double b = (rgb.Blue / 255.0);
double min = Math.Min(Math.Min(r, g), b);
double max = Math.Max(Math.Max(r, g), b);
double delta = max - min;
// get luminance value
hsl.Luminance = (max + min) / 2;
if (delta == 0)
{
// gray color
hsl.Hue = 0;
hsl.Saturation = 0.0;
}
else
{
// get saturation value
hsl.Saturation = (hsl.Luminance < 0.5) ? (delta / (max + min)) : (delta / (2 - max - min));
// get hue value
double del_r = (((max - r) / 6) + (delta / 2)) / delta;
double del_g = (((max - g) / 6) + (delta / 2)) / delta;
double del_b = (((max - b) / 6) + (delta / 2)) / delta;
double hue;
if (r == max)
hue = del_b - del_g;
else if (g == max)
hue = (1.0 / 3) + del_r - del_b;
else
hue = (2.0 / 3) + del_g - del_r;
// correct hue if needed
if (hue < 0)
hue += 1;
if (hue > 1)
hue -= 1;
hsl.Hue = (int) (hue * 360);
}
}
public void markerBasedDetectorTest()
{
MarkerBasedDetectorFactory factory = new MarkerBasedDetectorFactory();
MarkerBasedDetector sut = (MarkerBasedDetector)factory.CreateDetector();
sut.ResetSettings();
ColorDiscriminator discr = new ColorDiscriminator();
RGB color = new RGB(237, 28, 36);
discr.RGB_color= color;
LocationSourceManager.Instance.Shutdown();
LocationSourceManager.Instance.createLocationSource("foo", discr);
Bitmap frame = new Bitmap(Properties.Resources.markerBasedDetectorTestFrame);
sut.Detect(ref frame);
IntPoint pos = LocationSourceManager.Instance.LocationSources[0].ScreenPos;
Assert.AreEqual(87, pos.X);
Assert.AreEqual(92, pos.Y);
}
// Convert from HSL to RGB color space
public static void HSL2RGB(HSL hsl, RGB rgb)
{
if (hsl.Saturation == 0)
{
// gray values
rgb.Red = rgb.Green = rgb.Blue = (byte) (hsl.Luminance * 255);
}
else
{
double v1, v2;
double hue = (double) hsl.Hue / 360;
v2 = (hsl.Luminance < 0.5) ? (hsl.Luminance * (1 + hsl.Saturation)) : ((hsl.Luminance + hsl.Saturation) - (hsl.Luminance * hsl.Saturation));
v1 = 2 * hsl.Luminance - v2;
rgb.Red = (byte)(255 * Hue_2_RGB(v1, v2, hue + (1.0 / 3)));
rgb.Green = (byte)(255 * Hue_2_RGB(v1, v2, hue));
rgb.Blue = (byte)(255 * Hue_2_RGB(v1, v2, hue - (1.0 / 3)));
}
}
// On mouse position over image changed
private void document_MouseImagePosition(object sender, SelectionEventArgs e)
{
if (e.Location.X >= 0)
{
this.PositionToolStripStatusLabel.Text = string.Format(" ({0}, {1})", e.Location.X, e.Location.Y);
// get current color
Bitmap image = ((ImageHandlerForm)sender).Image;
if (image.PixelFormat == PixelFormat.Format24bppRgb)
{
Color color = image.GetPixel(e.Location.X, e.Location.Y);
RGB rgb = new RGB(color);
YCbCr ycbcr = new YCbCr();
AForge.Imaging.ColorConverter.RGB2YCbCr(rgb, ycbcr);
// RGB
this.colorPanel.Text = string.Format("RGB: {0}, {1}, {2}", color.R, color.G, color.B);
// HSL
this.hslPanel.Text = string.Format("HSL: {0}, {1:F3}, {2:F3}", (int)color.GetHue(), color.GetSaturation(), color.GetBrightness());
// YCbCr
this.ycbcrPanel.Text = string.Format("YCbCr: {0:F3}, {1:F3}, {2:F3}", ycbcr.Y, ycbcr.Cb, ycbcr.Cr);
}
else if (image.PixelFormat == PixelFormat.Format8bppIndexed)
{
Color color = image.GetPixel(e.Location.X, e.Location.Y);
this.colorPanel.Text = "Gray: " + color.R.ToString();
this.hslPanel.Text = "";
this.ycbcrPanel.Text = "";
}
}
else
{
this.PositionToolStripStatusLabel.Text = "";
this.colorPanel.Text = "";
this.hslPanel.Text = "";
this.ycbcrPanel.Text = "";
}
}
// Gather statistics
private void ProcessImage( BitmapData imageData, int width, int height )
{
pixels = pixelsWithoutBlack = 0;
int[] yhisto = new int[256];
int[] cbhisto = new int[256];
int[] crhisto = new int[256];
int[] yhistoWB = new int[256];
int[] cbhistoWB = new int[256];
int[] crhistoWB = new int[256];
RGB rgb = new RGB( );
YCbCr ycbcr = new YCbCr( );
int offset = imageData.Stride - width * 3;
// do the job
unsafe
{
byte * p = (byte *) imageData.Scan0.ToPointer( );
// for each line
for ( int y = 0; y < height; y++ )
{
// for each pixel
for ( int x = 0; x < width; x++, p += 3 )
{
rgb.Red = p[RGB.R];
rgb.Green = p[RGB.G];
rgb.Blue = p[RGB.B];
// convert to YCbCr color space
AForge.Imaging.ColorConverter.RGB2YCbCr( rgb, ycbcr );
yhisto [(int) ( ycbcr.Y * 255 )]++;
cbhisto[(int) ( ( ycbcr.Cb + 0.5 ) * 255 )]++;
crhisto[(int) ( ( ycbcr.Cr + 0.5 ) * 255 )]++;
pixels++;
if ( ( ycbcr.Y != 0.0 ) || ( ycbcr.Cb != 0.0 ) || ( ycbcr.Cr != 0.0 ) )
{
yhistoWB [(int) ( ycbcr.Y * 255 )]++;
cbhistoWB[(int) ( ( ycbcr.Cb + 0.5 ) * 255 )]++;
crhistoWB[(int) ( ( ycbcr.Cr + 0.5 ) * 255 )]++;
pixelsWithoutBlack++;
}
}
p += offset;
}
}
// create histograms
yHistogram = new HistogramD( yhisto , new RangeD( 0.0, 1.0 ) );
cbHistogram = new HistogramD( cbhisto, new RangeD( -0.5, 0.5 ) );
crHistogram = new HistogramD( crhisto, new RangeD( -0.5, 0.5 ) );
yHistogramWithoutBlack = new HistogramD( yhistoWB , new RangeD( 0.0, 1.0 ) );
cbHistogramWithoutBlack = new HistogramD( cbhistoWB, new RangeD( -0.5, 0.5 ) );
crHistogramWithoutBlack = new HistogramD( crhistoWB, new RangeD( -0.5, 0.5 ) );
}
public Bitmap ProcessFrame(Bitmap frame)
{
var filter = new EuclideanColorFiltering();
_color = new RGB(GlobalVar.Red, GlobalVar.Blue, GlobalVar.Green);
filter.CenterColor = _color;
filter.Radius = 20;
filter.ApplyInPlace(frame);
//var filter = new Grayscale(0.2125, 0.7154, 0.0721);
//var thresh = new Threshold(thresh_val);
//frame = filter.Apply(frame);
//thresh.ApplyInPlace(frame);
bc.ProcessImage(frame);
Rectangle[] rects = bc.GetObjectsRectangles();
if (rects.Length > 0)
{
AForge.Point closest = new AForge.Point(100000, 100000);
foreach (var r in rects)
{
var p = new AForge.Point(r.Left + r.Width / 2, r.Top + r.Height / 2);
var d2 = center.SquaredDistanceTo(closest);
var d1 = center.SquaredDistanceTo(p);
if (d1 < d2)
{
closest = p;
}
}
var closestDistance = center.SquaredDistanceTo(closest);
var shouldFire = closestDistance < 100; //start firing when close (defualt=20)
var delta = closest - center;
// _controller.Update(delta.X, delta.Y, shouldFire);
GlobalVar.objectX = closest.X;
GlobalVar.objectY = closest.Y;
//send command to move
if (GlobalVar.calibrationMode)
{
if (GlobalVar.calibrationMoveComplete)
{
GlobalVar.xRatio = delta.X / 100;
//GlobalVar.xRatio = delta.X;
if (GlobalVar.xRatio < 0) { GlobalVar.xRatio *= -1; }
}
else
{
_controller.Calibrate();
GlobalVar.calibrationMoveComplete = true;
}
}
else
{
_controller.Update(delta.X, delta.Y, shouldFire);
alreadyZeroized = false;
}
var g = Graphics.FromImage(frame);
using (Pen p = new Pen(Color.Red))
{
foreach (Rectangle r in rects)
{
g.DrawRectangle(p, r);
g.DrawString("+", new Font("Consolas", 10), Brushes.Red, r.X, r.Y);
}
}
using (Pen p = new Pen(Color.Green))
{
g.DrawRectangle(p, closest.X - 2, closest.Y - 2, 5, 5);
}
GlobalVar.nothingTime = 0;
}
else
{
// _controller.Hunt();
GlobalVar.nothingTimerEnabled = true;
if (GlobalVar.nothingTime == 150)
{//10 = 1 second
if (!alreadyZeroized)
{
_controller.FastZeroize();
alreadyZeroized = true;
}
}
if (GlobalVar.nothingTime == 300)
{//10 = 1 second
//GlobalVar.nothingTime = 0;
_controller.SlowZeroize();
alreadyZeroized = true;
GlobalVar.nothingTime = 0;
}
/*
if (GlobalVar.nothingTime == 45)
{//10 = 1 second
_controller.Hunt();
alreadyZeroized = false;
}
if (GlobalVar.nothingTime == 55)
_controller.Hunt();
if (GlobalVar.nothingTime == 65)
_controller.Hunt();
if (GlobalVar.nothingTime == 75)
_controller.Hunt();
if (GlobalVar.nothingTime == 85)
_controller.Hunt();
if (GlobalVar.nothingTime == 90)
{
GlobalVar.nothingTime = 0;
_controller.Hunt();
}
*/
}
return frame;
}
public void SetColor(Color color)
{
_color = new RGB(color);
}
private void fillColorCombo_SelectedIndexChanged(object sender, EventArgs e)
{
RGB selected_color=new RGB((Color)fillColorCombo.Items[fillColorCombo.SelectedIndex]);
HSL hsl = new HSL();
AForge.Imaging.ColorConverter.RGB2HSL(selected_color, hsl);
filter.FillColor = hsl;
filterPreview.RefreshFilter();
}
/// <summary>
/// Convert from RGB to YCbCr color space (Rec 601-1 specification).
/// </summary>
///
/// <param name="rgb">Source color in <b>RGB</b> color space.</param>
/// <param name="ycbcr">Destination color in <b>YCbCr</b> color space.</param>
///
public static void FromRGB( RGB rgb, YCbCr ycbcr )
{
float r = (float) rgb.Red / 255;
float g = (float) rgb.Green / 255;
float b = (float) rgb.Blue / 255;
ycbcr.Y = (float) ( 0.2989 * r + 0.5866 * g + 0.1145 * b );
ycbcr.Cb = (float) ( -0.1687 * r - 0.3313 * g + 0.5000 * b );
ycbcr.Cr = (float) ( 0.5000 * r - 0.4184 * g - 0.0816 * b );
}
// Paint control
protected override void OnPaint( PaintEventArgs pe )
{
Graphics g = pe.Graphics;
Rectangle rc = this.ClientRectangle;
Rectangle rcPie;
Brush brush;
RGB rgb = new RGB( );
HSL hsl = new HSL( );
// get pie rectangle
rcPie = new Rectangle( 4, 4, Math.Min( rc.Right, rc.Bottom ) - 8, Math.Min( rc.Right, rc.Bottom ) - 8 );
// init HSL value
hsl.Luminance = 0.5;
hsl.Saturation = 1.0;
if ( type == HuePickerType.Value )
{
// draw HSL pie
for ( int i = 0; i < 360; i++ )
{
hsl.Hue = i;
// convert from HSL to RGB
AForge.Imaging.ColorConverter.HSL2RGB( hsl, rgb );
// create brush
brush = new SolidBrush( rgb.Color );
// draw one hue value
g.FillPie( brush, rcPie, -i, -1 );
brush.Dispose( );
}
}
else
{
// draw HSL pie
for ( int i = 0; i < 360; i++ )
{
if ( ( ( min < max ) && ( i >= min ) && ( i <= max ) ) ||
( ( min > max ) && ( ( i >= min ) || ( i <= max ) ) ) )
{
hsl.Hue = i;
// convert from HSL to RGB
AForge.Imaging.ColorConverter.HSL2RGB( hsl, rgb );
// create brush
brush = new SolidBrush( rgb.Color );
}
else
{
brush = new SolidBrush( Color.FromArgb( 128, 128, 128 ) );
}
// draw one hue value
g.FillPie( brush, rcPie, -i, -1 );
brush.Dispose( );
}
}
//
double halfWidth = (double) rcPie.Width / 2;
double angleRad = -min * Math.PI / 180;
double angleCos = Math.Cos( angleRad );
double angleSin = Math.Sin( angleRad );
double x = halfWidth * angleCos;
double y = halfWidth * angleSin;
ptCenter.X = rcPie.Left + (int) ( halfWidth );
ptCenter.Y = rcPie.Top + (int) ( halfWidth );
ptMin.X = rcPie.Left + (int) ( halfWidth + x );
ptMin.Y = rcPie.Top + (int) ( halfWidth + y );
// draw MIN pointer
g.FillEllipse( blackBrush,
rcPie.Left + (int) ( halfWidth + x ) - 4,
rcPie.Top + (int) ( halfWidth + y ) - 4,
8, 8 );
g.DrawLine( blackPen, ptCenter, ptMin );
// check picker type
if ( type == HuePickerType.Region )
{
angleRad = -max * Math.PI / 180;
angleCos = Math.Cos( angleRad );
angleSin = Math.Sin( angleRad );
x = halfWidth * angleCos;
y = halfWidth * angleSin;
ptMax.X = rcPie.Left + (int) ( halfWidth + x );
ptMax.Y = rcPie.Top + (int) ( halfWidth + y );
// draw MAX pointer
g.FillEllipse( whiteBrush,
rcPie.Left + (int) ( halfWidth + x ) - 4,
rcPie.Top + (int) ( halfWidth + y ) - 4,
8, 8 );
g.DrawLine( whitePen, ptCenter, ptMax );
}
base.OnPaint( pe );
}
// Gather statistics for the specified image
private unsafe void ProcessImage(UnmanagedImage image, byte *mask, int maskLineSize)
{
// get image dimension
int width = image.Width;
int height = image.Height;
pixels = pixelsWithoutBlack = 0;
int[] yhisto = new int[256];
int[] cbhisto = new int[256];
int[] crhisto = new int[256];
int[] yhistoWB = new int[256];
int[] cbhistoWB = new int[256];
int[] crhistoWB = new int[256];
RGB rgb = new RGB( );
YCbCr ycbcr = new YCbCr( );
int pixelSize = (image.PixelFormat == PixelFormat.Format24bppRgb) ? 3 : 4;
int offset = image.Stride - width * pixelSize;
int maskOffset = maskLineSize - width;
// do the job
byte *p = (byte *)image.ImageData.ToPointer( );
if (mask == null)
{
// for each line
for (int y = 0; y < height; y++)
{
// for each pixel
for (int x = 0; x < width; x++, p += pixelSize)
{
rgb.Red = p[RGB.R];
rgb.Green = p[RGB.G];
rgb.Blue = p[RGB.B];
// convert to YCbCr color space
AForge.Imaging.YCbCr.FromRGB(rgb, ycbcr);
yhisto[(int)(ycbcr.Y * 255)]++;
cbhisto[(int)((ycbcr.Cb + 0.5) * 255)]++;
crhisto[(int)((ycbcr.Cr + 0.5) * 255)]++;
pixels++;
if ((ycbcr.Y != 0.0) || (ycbcr.Cb != 0.0) || (ycbcr.Cr != 0.0))
{
yhistoWB[(int)(ycbcr.Y * 255)]++;
cbhistoWB[(int)((ycbcr.Cb + 0.5) * 255)]++;
crhistoWB[(int)((ycbcr.Cr + 0.5) * 255)]++;
pixelsWithoutBlack++;
}
}
p += offset;
}
}
else
{
// for each line
for (int y = 0; y < height; y++)
{
// for each pixel
for (int x = 0; x < width; x++, p += pixelSize, mask++)
{
if (*mask == 0)
{
continue;
}
rgb.Red = p[RGB.R];
rgb.Green = p[RGB.G];
rgb.Blue = p[RGB.B];
// convert to YCbCr color space
AForge.Imaging.YCbCr.FromRGB(rgb, ycbcr);
yhisto[(int)(ycbcr.Y * 255)]++;
cbhisto[(int)((ycbcr.Cb + 0.5) * 255)]++;
crhisto[(int)((ycbcr.Cr + 0.5) * 255)]++;
pixels++;
if ((ycbcr.Y != 0.0) || (ycbcr.Cb != 0.0) || (ycbcr.Cr != 0.0))
{
yhistoWB[(int)(ycbcr.Y * 255)]++;
cbhistoWB[(int)((ycbcr.Cb + 0.5) * 255)]++;
crhistoWB[(int)((ycbcr.Cr + 0.5) * 255)]++;
pixelsWithoutBlack++;
}
}
p += offset;
mask += maskOffset;
}
}
// create histograms
yHistogram = new ContinuousHistogram(yhisto, new Range(0.0f, 1.0f));
cbHistogram = new ContinuousHistogram(cbhisto, new Range(-0.5f, 0.5f));
crHistogram = new ContinuousHistogram(crhisto, new Range(-0.5f, 0.5f));
yHistogramWithoutBlack = new ContinuousHistogram(yhistoWB, new Range(0.0f, 1.0f));
cbHistogramWithoutBlack = new ContinuousHistogram(cbhistoWB, new Range(-0.5f, 0.5f));
crHistogramWithoutBlack = new ContinuousHistogram(crhistoWB, new Range(-0.5f, 0.5f));
}
/// <summary>
/// Convert from YCbCr to RGB color space.
/// </summary>
///
/// <param name="ycbcr">Source color in <b>YCbCr</b> color space.</param>
/// <param name="rgb">Destination color in <b>RGB</b> color spacs.</param>
///
public static void ToRGB( YCbCr ycbcr, RGB rgb )
{
// don't warry about zeros. compiler will remove them
float r = Math.Max( 0.0f, Math.Min( 1.0f, (float) ( ycbcr.Y + 0.0000 * ycbcr.Cb + 1.4022 * ycbcr.Cr ) ) );
float g = Math.Max( 0.0f, Math.Min( 1.0f, (float) ( ycbcr.Y - 0.3456 * ycbcr.Cb - 0.7145 * ycbcr.Cr ) ) );
float b = Math.Max( 0.0f, Math.Min( 1.0f, (float) ( ycbcr.Y + 1.7710 * ycbcr.Cb + 0.0000 * ycbcr.Cr ) ) );
rgb.Red = (byte) ( r * 255 );
rgb.Green = (byte) ( g * 255 );
rgb.Blue = (byte) ( b * 255 );
}
// Gather statistics for the specified image
private unsafe void ProcessImage(UnmanagedImage image, byte *mask, int maskLineSize)
{
// get image dimension
var width = image.Width;
var height = image.Height;
this.pixels = this.pixelsWithoutBlack = 0;
var s = new int[256];
var l = new int[256];
var swb = new int[256];
var lwb = new int[256];
var rgb = new RGB( );
var hsl = new HSL( );
var pixelSize = (image.PixelFormat == PixelFormat.Format24bppRgb) ? 3 : 4;
var offset = image.Stride - width * pixelSize;
var maskOffset = maskLineSize - width;
// do the job
var p = (byte *)image.ImageData.ToPointer( );
if (mask == null)
{
// for each line
for (var y = 0; y < height; y++)
{
// for each pixel
for (var x = 0; x < width; x++, p += pixelSize)
{
rgb.Red = p[RGB.R];
rgb.Green = p[RGB.G];
rgb.Blue = p[RGB.B];
// convert to HSL color space
AForge.Imaging.HSL.FromRGB(rgb, hsl);
s[(int)(hsl.Saturation * 255)]++;
l[(int)(hsl.Luminance * 255)]++;
this.pixels++;
if (hsl.Luminance != 0.0)
{
swb[(int)(hsl.Saturation * 255)]++;
lwb[(int)(hsl.Luminance * 255)]++;
this.pixelsWithoutBlack++;
}
}
p += offset;
}
}
else
{
// for each line
for (var y = 0; y < height; y++)
{
// for each pixel
for (var x = 0; x < width; x++, p += pixelSize, mask++)
{
if (*mask == 0)
{
continue;
}
rgb.Red = p[RGB.R];
rgb.Green = p[RGB.G];
rgb.Blue = p[RGB.B];
// convert to HSL color space
AForge.Imaging.HSL.FromRGB(rgb, hsl);
s[(int)(hsl.Saturation * 255)]++;
l[(int)(hsl.Luminance * 255)]++;
this.pixels++;
if (hsl.Luminance != 0.0)
{
swb[(int)(hsl.Saturation * 255)]++;
lwb[(int)(hsl.Luminance * 255)]++;
this.pixelsWithoutBlack++;
}
}
p += offset;
mask += maskOffset;
}
}
// create histograms
this.saturation = new ContinuousHistogram(s, new Range(0, 1));
this.luminance = new ContinuousHistogram(l, new Range(0, 1));
this.saturationWithoutBlack = new ContinuousHistogram(swb, new Range(0, 1));
this.luminanceWithoutBlack = new ContinuousHistogram(lwb, new Range(0, 1));
}
private void fillColorCombo_SelectedIndexChanged(object sender, EventArgs e)
{
RGB selected_color = new RGB((Color)fillColorCombo.Items[fillColorCombo.SelectedIndex]);
filter.FillColor = selected_color;
filterPreview.RefreshFilter();
}
/// <summary>
/// Creates a color histogram discarding low intensity colors
/// </summary>
///
private unsafe float[] createHistogram(UnmanagedImage frame, Rectangle area)
{
int width = frame.Width;
int height = frame.Height;
int stride = frame.Stride;
int pixelSize = Bitmap.GetPixelFormatSize(frame.PixelFormat) / 8;
int offset = stride - area.Width * pixelSize;
float[] histogram = new float[histogramSize];
// stay inside the image
int areaX = Math.Max(area.X, 0);
int areaY = Math.Max(area.Y, 0);
int areaWidth = Math.Min(area.Width, width - areaX);
int areaHeight = Math.Min(area.Height, height - areaY);
if (mode == CamshiftMode.HSL)
{
// Process as HSL
HSL hsl = new HSL();
RGB rgb = new RGB();
byte* src = (byte*)frame.ImageData.ToPointer() + areaX * pixelSize + areaY * stride;
for (int y = 0; y < areaHeight; y++)
{
for (int x = 0; x < areaWidth; x++, src += 3)
{
rgb.Red = (*(src + RGB.R));
rgb.Green = (*(src + RGB.G));
rgb.Blue = (*(src + RGB.B));
AForge.Imaging.HSL.FromRGB(rgb, hsl);
if ((hsl.Saturation >= hslSaturation.Min) && (hsl.Saturation <= hslSaturation.Max) &&
(hsl.Luminance >= hslLuminance.Min) && (hsl.Luminance <= hslLuminance.Max))
histogram[hsl.Hue] += 1;
}
src += offset;
}
}
else if (mode == CamshiftMode.Mixed)
{
// Process in mixed mode
HSL hsl = new HSL();
RGB rgb = new RGB();
byte* src = (byte*)frame.ImageData.ToPointer() + areaX * pixelSize + areaY * stride;
for (int y = 0; y < areaHeight; y++)
{
for (int x = 0; x < areaWidth; x++, src += 3)
{
rgb.Red = (*(src + RGB.R));
rgb.Green = (*(src + RGB.G));
rgb.Blue = (*(src + RGB.B));
AForge.Imaging.HSL.FromRGB(rgb, hsl);
if ((hsl.Saturation >= hslSaturation.Min) && (hsl.Saturation <= hslSaturation.Max) &&
(hsl.Luminance >= hslLuminance.Min) && (hsl.Luminance <= hslLuminance.Max))
histogram[(int)(hsl.Hue * 10 + hsl.Saturation * 100 + hsl.Luminance * 10)] += 1;
}
src += offset;
}
}
else
{
// Process as RGB
byte* src = (byte*)frame.ImageData.ToPointer() + areaX * pixelSize + areaY * stride;
for (int y = 0; y < areaHeight; y++)
{
for (int x = 0; x < areaWidth; x++, src += 3)
{
// (small values are discarded)
int r = (int)(*(src + RGB.R)) >> 4;
int g = (int)(*(src + RGB.G)) >> 4;
int b = (int)(*(src + RGB.B)) >> 4;
histogram[256 * r + 16 * g + b] += 1;
}
src += offset;
}
}
return histogram;
}
/// <summary>
/// Image histogram back-projection.
/// </summary>
///
private unsafe void generateBackprojectionMap(UnmanagedImage frame, float[] ratioHistogram)
{
int width = frame.Width;
int height = frame.Height;
int stride = frame.Stride;
int pixelSize = Bitmap.GetPixelFormatSize(frame.PixelFormat) / 8;
int offset = stride - width * pixelSize;
fixed (float* map_ptr = map)
{
byte* src = (byte*)frame.ImageData.ToPointer();
float* dst = map_ptr;
if (mode == CamshiftMode.HSL)
{
// Process as HSL
HSL hsl = new HSL();
RGB rgb = new RGB();
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++, src += pixelSize, dst++)
{
// RGB
rgb.Red = (*(src + RGB.R));
rgb.Green = (*(src + RGB.G));
rgb.Blue = (*(src + RGB.B));
// Transform into HSL
AForge.Imaging.HSL.FromRGB(rgb, hsl);
if ((hsl.Saturation >= hslSaturation.Min) && (hsl.Saturation <= hslSaturation.Max) &&
(hsl.Luminance >= hslLuminance.Min) && (hsl.Luminance <= hslLuminance.Max))
*dst = ratioHistogram[hsl.Hue];
else *dst = 0;
}
src += offset;
}
}
else if (mode == CamshiftMode.Mixed)
{
// Process in mixed mode
HSL hsl = new HSL();
RGB rgb = new RGB();
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++, src += pixelSize, dst++)
{
// RGB
rgb.Red = (*(src + RGB.R));
rgb.Green = (*(src + RGB.G));
rgb.Blue = (*(src + RGB.B));
// Transform into HSL
AForge.Imaging.HSL.FromRGB(rgb, hsl);
if ((hsl.Saturation >= hslSaturation.Min) && (hsl.Saturation <= hslSaturation.Max) &&
(hsl.Luminance >= hslLuminance.Min) && (hsl.Luminance <= hslLuminance.Max))
*dst = ratioHistogram[(int)(hsl.Hue * 10 + hsl.Saturation * 100 + hsl.Luminance * 10)];
else *dst = 0;
}
src += offset;
}
}
else
{
// Process as RGB
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++, src += pixelSize, dst++)
{
// RGB
int r = (int)(*(src + RGB.R)) >> 4;
int g = (int)(*(src + RGB.G)) >> 4;
int b = (int)(*(src + RGB.B)) >> 4;
*dst = ratioHistogram[256 * r + 16 * g + b];
}
src += offset;
}
}
}
}
// On mouse position over image changed
private void document_MouseImagePosition(object sender, SelectionEventArgs e)
{
if (e.Location.X >= 0)
{
this.selectionPanel.Text = string.Format( "({0}, {1})", e.Location.X, e.Location.Y );
// get current color
Bitmap image = ((ImageDoc) sender).Image;
if (image.PixelFormat == PixelFormat.Format24bppRgb)
{
Color color = image.GetPixel(e.Location.X, e.Location.Y);
RGB rgb = new RGB( color );
YCbCr ycbcr = new YCbCr( );
AForge.Imaging.ColorConverter.RGB2YCbCr( rgb, ycbcr );
// RGB
this.colorPanel.Text = string.Format( "RGB: {0}; {1}; {2}", color.R, color.G, color.B );
// HSL
this.hslPanel.Text = string.Format( "HSL: {0}; {1:F3}; {2:F3}", (int) color.GetHue(), color.GetSaturation(), color.GetBrightness() );
// YCbCr
this.ycbcrPanel.Text = string.Format( "YCbCr: {0:F3}; {1:F3}; {2:F3}", ycbcr.Y, ycbcr.Cb, ycbcr.Cr );
//SS: отображение области для расчета среднего значения цвета
Rectangle avArea=((ImageDoc)sender).AverageArea;
if (!avArea.IsEmpty)
this.avColorPanel.Text = string.Format("AVERAGE: [{0}; {1}] - [{2}; {3}]", avArea.Left, avArea.Top, avArea.Right, avArea.Bottom);
else
this.avColorPanel.Text = "";
if (((ImageDoc)sender).SelectingArea)
this.infoPanel.Text = "Now select area or press right mouse button to cancel";
else if (((ImageDoc)sender).SelectingPoint || ((ImageDoc)sender).SelectingLayerPoint)
this.infoPanel.Text = "Now pick a point or press right mouse button to cancel";
else
this.infoPanel.Text = "";
}
else if (image.PixelFormat == PixelFormat.Format8bppIndexed)
{
Color color = image.GetPixel(e.Location.X, e.Location.Y);
this.colorPanel.Text = "Gray: " + color.R.ToString();
this.hslPanel.Text = "";
this.ycbcrPanel.Text = "";
}
}
else
{
this.selectionPanel.Text = "";
this.colorPanel.Text = "";
this.hslPanel.Text = "";
this.ycbcrPanel.Text = "";
}
}
/// <summary>
/// Convert from RGB to HSL color space.
/// </summary>
///
/// <param name="rgb">Source color in <b>RGB</b> color space.</param>
///
/// <returns>Returns <see cref="HSL"/> instance, which represents converted color value.</returns>
///
public static HSL FromRGB( RGB rgb )
{
HSL hsl = new HSL( );
FromRGB( rgb, hsl );
return hsl;
}
// Gather statistics
private void ProcessImage(BitmapData imageData, int width, int height)
{
pixels = pixelsWithoutBlack = 0;
int[] yhisto = new int[256];
int[] cbhisto = new int[256];
int[] crhisto = new int[256];
int[] yhistoWB = new int[256];
int[] cbhistoWB = new int[256];
int[] crhistoWB = new int[256];
RGB rgb = new RGB( );
YCbCr ycbcr = new YCbCr( );
int offset = imageData.Stride - width * 3;
// do the job
unsafe
{
byte *p = (byte *)imageData.Scan0.ToPointer( );
// for each line
for (int y = 0; y < height; y++)
{
// for each pixel
for (int x = 0; x < width; x++, p += 3)
{
rgb.Red = p[RGB.R];
rgb.Green = p[RGB.G];
rgb.Blue = p[RGB.B];
// convert to YCbCr color space
AForge.Imaging.ColorConverter.RGB2YCbCr(rgb, ycbcr);
yhisto [(int)(ycbcr.Y * 255)]++;
cbhisto[(int)((ycbcr.Cb + 0.5) * 255)]++;
crhisto[(int)((ycbcr.Cr + 0.5) * 255)]++;
pixels++;
if ((ycbcr.Y != 0.0) || (ycbcr.Cb != 0.0) || (ycbcr.Cr != 0.0))
{
yhistoWB [(int)(ycbcr.Y * 255)]++;
cbhistoWB[(int)((ycbcr.Cb + 0.5) * 255)]++;
crhistoWB[(int)((ycbcr.Cr + 0.5) * 255)]++;
pixelsWithoutBlack++;
}
}
p += offset;
}
}
// create histograms
yHistogram = new HistogramD(yhisto, new RangeD(0.0, 1.0));
cbHistogram = new HistogramD(cbhisto, new RangeD(-0.5, 0.5));
crHistogram = new HistogramD(crhisto, new RangeD(-0.5, 0.5));
yHistogramWithoutBlack = new HistogramD(yhistoWB, new RangeD(0.0, 1.0));
cbHistogramWithoutBlack = new HistogramD(cbhistoWB, new RangeD(-0.5, 0.5));
crHistogramWithoutBlack = new HistogramD(crhistoWB, new RangeD(-0.5, 0.5));
}
/// <summary>
/// Convert from RGB to YCbCr color space (Rec 601-1 specification).
/// </summary>
///
/// <param name="rgb">Source color in <b>RGB</b> color space.</param>
///
/// <returns>Returns <see cref="YCbCr"/> instance, which represents converted color value.</returns>
///
public static YCbCr FromRGB( RGB rgb )
{
YCbCr ycbcr = new YCbCr( );
FromRGB( rgb, ycbcr );
return ycbcr;
}
public void SetAverageColor(HSL avgColor)
{
averageColor = avgColor;
Graphics g = Graphics.FromImage(previewFillColor.Image);
RGB rgbpreview = new RGB();
AForge.Imaging.ColorConverter.HSL2RGB(averageColor,rgbpreview);
g.FillRectangle(new SolidBrush(rgbpreview.Color), 0, 0, previewFillColor.Width, previewFillColor.Height);
g.DrawRectangle(new Pen(new SolidBrush(Color.Black)), new Rectangle(0, 0, previewFillColor.Width - 1, previewFillColor.Height - 3));
g.Dispose();
previewFillColor.Invalidate();
avgColorH.Text = string.Format("{0}", averageColor.Hue);
avgColorS.Text = string.Format("{0:F3}", averageColor.Saturation);
avgColorL.Text = string.Format("{0:F3}", averageColor.Luminance);
}
/// <summary>
/// Convert the color to <b>RGB</b> color space.
/// </summary>
///
/// <returns>Returns <see cref="RGB"/> instance, which represents converted color value.</returns>
///
public RGB ToRGB( )
{
RGB rgb = new RGB( );
ToRGB( this, rgb );
return rgb;
}
public void SetColorRange(PictureBox pb, MouseEventArgs e, bool bgselect, Panel p)
{
try
{
// GET COLOR OF PIXEL
Bitmap bitmap = new Bitmap((Bitmap)pb.Image);
var loc = TranslateZoomMousePosition(e.Location, pb);
var pixelcolor = bitmap.GetPixel(loc.X, loc.Y);
if (bgselect)
{
// SET COLOR RANGE
RangeRed = new IntRange(pixelcolor.R - 50, pixelcolor.R + 50);
RangeGreen = new IntRange(pixelcolor.G - 50, pixelcolor.G + 50);
RangeBlue = new IntRange(pixelcolor.B - 50, pixelcolor.B + 50);
}
else
{
ColonyColor = new RGB(pixelcolor);
}
p.BackColor = pixelcolor;
// DISPOSE OF BITMAP
bitmap.Dispose();
}
catch (Exception) { }
}
private void imageDisplay_MouseMove(object sender, MouseEventArgs e)
{
if (bitmap != null)
{
bitmapPoint = CalculateMouseOverImagePosition(e.X, e.Y);
int posX = bitmapPoint.X, posY = bitmapPoint.Y;
if (zoomBitmap.Width <= imageDisplay.Width && zoomBitmap.Height <= imageDisplay.Height)
{
if (posX < 0 || posY < 0 || posX >= zoomBitmap.Width || posY >= zoomBitmap.Height ||
e.X < position.X || e.X > position.X + zoomBitmap.Width || e.Y < position.Y || e.Y > position.Y + zoomBitmap.Height)
{
StatusLabelMousePosition.Visible = false;
StatusLabelRGB.Visible = false;
StatusLabelHSL.Visible = false;
this.Cursor = Cursors.Default;
return;
}
}
else
{
if (fitImagesToWindow)
{
int maxWidth = imageDisplay.Width, maxHeight = imageDisplay.Height;
int width = bitmap.Width, height = bitmap.Height;
float ratio = (float)width / (float)height;
width = maxWidth;
height = (int)Math.Floor(maxWidth / ratio);
if (height > maxHeight)
{
height = maxHeight;
width = (int)Math.Floor(maxHeight * ratio);
}
if (posX < 0 || posY < 0 || posX >= width || posY >= height ||
e.X < position.X || e.X > position.X + width || e.Y < position.Y || e.Y > position.Y + height)
{
StatusLabelMousePosition.Visible = false;
StatusLabelRGB.Visible = false;
StatusLabelHSL.Visible = false;
this.Cursor = Cursors.Default;
return;
}
}
else
{
if (posX < 0 || posY < 0 || posX >= zoomBitmap.Width || posY >= zoomBitmap.Height ||
e.X < position.X || e.X > position.X + zoomBitmap.Width || e.Y < position.Y || e.Y > position.Y + zoomBitmap.Height)
{
StatusLabelMousePosition.Visible = false;
StatusLabelRGB.Visible = false;
StatusLabelHSL.Visible = false;
this.Cursor = Cursors.Default;
return;
}
}
}
Color color = zoomBitmap.GetPixel(posX, posY);
RGB rgbColor = new RGB(color);
HSL hslColor = HSL.FromRGB(rgbColor);
StatusLabelMousePosition.Visible = true;
StatusLabelMousePosition.Text = "X: " + posX.ToString() + " Y: " + posY.ToString();
StatusLabelRGB.Visible = true;
StatusLabelRGB.Text = "R: " + rgbColor.Red.ToString() + " G: " + rgbColor.Green.ToString() + " B: " + rgbColor.Blue.ToString();
StatusLabelHSL.Visible = true;
StatusLabelHSL.Text = "H: " + hslColor.Hue.ToString() + " S: " + hslColor.Saturation.ToString("0.000", CultureInfo.InvariantCulture) + " L: " + hslColor.Luminance.ToString("0.000", CultureInfo.InvariantCulture);
if (cropping)
{
this.Cursor = Cursors.Cross;
if (dragging)
{
displayEndPoint = e.Location;
cropEndPoint = bitmapPoint;
selection.Width = displayEndPoint.X - selection.X;
selection.Height = displayEndPoint.Y - selection.Y;
this.imageDisplay.Invalidate();
}
}
}
}
public void SetColor(Color color)
{
_color = new RGB(color);
//GlobalVar.targetColor = color;
//ChangeButtonColor();
}
// Gather statistics for the specified image
private unsafe void ProcessImage( UnmanagedImage image, byte* mask, int maskLineSize )
{
// get image dimension
int width = image.Width;
int height = image.Height;
pixels = pixelsWithoutBlack = 0;
int[] s = new int[256];
int[] l = new int[256];
int[] swb = new int[256];
int[] lwb = new int[256];
RGB rgb = new RGB( );
HSL hsl = new HSL( );
int pixelSize = ( image.PixelFormat == PixelFormat.Format24bppRgb ) ? 3 : 4;
int offset = image.Stride - width * pixelSize;
int maskOffset = maskLineSize - width;
// do the job
byte * p = (byte*) image.ImageData.ToPointer( );
if ( mask == null )
{
// for each line
for ( int y = 0; y < height; y++ )
{
// for each pixel
for ( int x = 0; x < width; x++, p += pixelSize )
{
rgb.Red = p[RGB.R];
rgb.Green = p[RGB.G];
rgb.Blue = p[RGB.B];
// convert to HSL color space
AForge.Imaging.HSL.FromRGB( rgb, hsl );
s[(int) ( hsl.Saturation * 255 )]++;
l[(int) ( hsl.Luminance * 255 )]++;
pixels++;
if ( hsl.Luminance != 0.0 )
{
swb[(int) ( hsl.Saturation * 255 )]++;
lwb[(int) ( hsl.Luminance * 255 )]++;
pixelsWithoutBlack++;
}
}
p += offset;
}
}
else
{
// for each line
for ( int y = 0; y < height; y++ )
{
// for each pixel
for ( int x = 0; x < width; x++, p += pixelSize, mask++ )
{
if ( *mask == 0 )
continue;
rgb.Red = p[RGB.R];
rgb.Green = p[RGB.G];
rgb.Blue = p[RGB.B];
// convert to HSL color space
AForge.Imaging.HSL.FromRGB( rgb, hsl );
s[(int) ( hsl.Saturation * 255 )]++;
l[(int) ( hsl.Luminance * 255 )]++;
pixels++;
if ( hsl.Luminance != 0.0 )
{
swb[(int) ( hsl.Saturation * 255 )]++;
lwb[(int) ( hsl.Luminance * 255 )]++;
pixelsWithoutBlack++;
}
}
p += offset;
mask += maskOffset;
}
}
// create histograms
saturation = new ContinuousHistogram( s, new Range( 0, 1 ) );
luminance = new ContinuousHistogram( l, new Range( 0, 1 ) );
saturationWithoutBlack = new ContinuousHistogram( swb, new Range( 0, 1 ) );
luminanceWithoutBlack = new ContinuousHistogram( lwb, new Range( 0, 1 ) );
}
/// <summary>
/// Convert from HSL to RGB color space.
/// </summary>
///
/// <param name="hsl">Source color in <b>HSL</b> color space.</param>
/// <param name="rgb">Destination color in <b>RGB</b> color space.</param>
///
public static void ToRGB( HSL hsl, RGB rgb )
{
if ( hsl.Saturation == 0 )
{
// gray values
rgb.Red = rgb.Green = rgb.Blue = (byte) ( hsl.Luminance * 255 );
}
else
{
float v1, v2;
float hue = (float) hsl.Hue / 360;
v2 = ( hsl.Luminance < 0.5 ) ?
( hsl.Luminance * ( 1 + hsl.Saturation ) ) :
( ( hsl.Luminance + hsl.Saturation ) - ( hsl.Luminance * hsl.Saturation ) );
v1 = 2 * hsl.Luminance - v2;
rgb.Red = (byte) ( 255 * Hue_2_RGB( v1, v2, hue + ( 1.0f / 3 ) ) );
rgb.Green = (byte) ( 255 * Hue_2_RGB( v1, v2, hue ) );
rgb.Blue = (byte) ( 255 * Hue_2_RGB( v1, v2, hue - ( 1.0f / 3 ) ) );
rgb.Alpha = 255;
}
}
// Gather statistics for the specified image
private unsafe void ProcessImage(UnmanagedImage image, byte* mask, int maskLineSize)
{
// get image dimension
int width = image.Width;
int height = image.Height;
pixels = pixelsWithoutBlack = 0;
int[] yhisto = new int[256];
int[] cbhisto = new int[256];
int[] crhisto = new int[256];
int[] yhistoWB = new int[256];
int[] cbhistoWB = new int[256];
int[] crhistoWB = new int[256];
RGB rgb = new RGB();
YCbCr ycbcr = new YCbCr();
int pixelSize = (image.PixelFormat == PixelFormat.Format24bppRgb) ? 3 : 4;
int offset = image.Stride - width * pixelSize;
int maskOffset = maskLineSize - width;
// do the job
byte* p = (byte*)image.ImageData.ToPointer();
if (mask == null)
{
// for each line
for (int y = 0; y < height; y++)
{
// for each pixel
for (int x = 0; x < width; x++, p += pixelSize)
{
rgb.Red = p[RGB.R];
rgb.Green = p[RGB.G];
rgb.Blue = p[RGB.B];
// convert to YCbCr color space
AForge.Imaging.YCbCr.FromRGB(rgb, ycbcr);
yhisto[(int)(ycbcr.Y * 255)]++;
cbhisto[(int)((ycbcr.Cb + 0.5) * 255)]++;
crhisto[(int)((ycbcr.Cr + 0.5) * 255)]++;
pixels++;
if ((ycbcr.Y != 0.0) || (ycbcr.Cb != 0.0) || (ycbcr.Cr != 0.0))
{
yhistoWB[(int)(ycbcr.Y * 255)]++;
cbhistoWB[(int)((ycbcr.Cb + 0.5) * 255)]++;
crhistoWB[(int)((ycbcr.Cr + 0.5) * 255)]++;
pixelsWithoutBlack++;
}
}
p += offset;
}
}
else
{
// for each line
for (int y = 0; y < height; y++)
{
// for each pixel
for (int x = 0; x < width; x++, p += pixelSize, mask++)
{
if (*mask == 0)
continue;
rgb.Red = p[RGB.R];
rgb.Green = p[RGB.G];
rgb.Blue = p[RGB.B];
// convert to YCbCr color space
AForge.Imaging.YCbCr.FromRGB(rgb, ycbcr);
yhisto[(int)(ycbcr.Y * 255)]++;
cbhisto[(int)((ycbcr.Cb + 0.5) * 255)]++;
crhisto[(int)((ycbcr.Cr + 0.5) * 255)]++;
pixels++;
if ((ycbcr.Y != 0.0) || (ycbcr.Cb != 0.0) || (ycbcr.Cr != 0.0))
{
yhistoWB[(int)(ycbcr.Y * 255)]++;
cbhistoWB[(int)((ycbcr.Cb + 0.5) * 255)]++;
crhistoWB[(int)((ycbcr.Cr + 0.5) * 255)]++;
pixelsWithoutBlack++;
}
}
p += offset;
mask += maskOffset;
}
}
// create histograms
yHistogram = new ContinuousHistogram(yhisto, new Range(0.0f, 1.0f));
cbHistogram = new ContinuousHistogram(cbhisto, new Range(-0.5f, 0.5f));
crHistogram = new ContinuousHistogram(crhisto, new Range(-0.5f, 0.5f));
yHistogramWithoutBlack = new ContinuousHistogram(yhistoWB, new Range(0.0f, 1.0f));
cbHistogramWithoutBlack = new ContinuousHistogram(cbhistoWB, new Range(-0.5f, 0.5f));
crHistogramWithoutBlack = new ContinuousHistogram(crhistoWB, new Range(-0.5f, 0.5f));
}
private unsafe void ProcessImage(UnmanagedImage image, byte *mask, int maskLineSize)
{
int width = image.Width;
int height = image.Height;
pixels = (pixelsWithoutBlack = 0);
int[] array = new int[256];
int[] array2 = new int[256];
int[] array3 = new int[256];
int[] array4 = new int[256];
int[] array5 = new int[256];
int[] array6 = new int[256];
RGB rGB = new RGB();
YCbCr yCbCr = new YCbCr();
int num = (image.PixelFormat == PixelFormat.Format24bppRgb) ? 3 : 4;
int num2 = image.Stride - width * num;
int num3 = maskLineSize - width;
byte *ptr = (byte *)image.ImageData.ToPointer();
if (mask == null)
{
for (int i = 0; i < height; i++)
{
int num4 = 0;
while (num4 < width)
{
rGB.Red = ptr[2];
rGB.Green = ptr[1];
rGB.Blue = *ptr;
YCbCr.FromRGB(rGB, yCbCr);
array[(int)(yCbCr.Y * 255f)]++;
array2[(int)(((double)yCbCr.Cb + 0.5) * 255.0)]++;
array3[(int)(((double)yCbCr.Cr + 0.5) * 255.0)]++;
pixels++;
if ((double)yCbCr.Y != 0.0 || (double)yCbCr.Cb != 0.0 || (double)yCbCr.Cr != 0.0)
{
array4[(int)(yCbCr.Y * 255f)]++;
array5[(int)(((double)yCbCr.Cb + 0.5) * 255.0)]++;
array6[(int)(((double)yCbCr.Cr + 0.5) * 255.0)]++;
pixelsWithoutBlack++;
}
num4++;
ptr += num;
}
ptr += num2;
}
}
else
{
for (int j = 0; j < height; j++)
{
int num5 = 0;
while (num5 < width)
{
if (*mask != 0)
{
rGB.Red = ptr[2];
rGB.Green = ptr[1];
rGB.Blue = *ptr;
YCbCr.FromRGB(rGB, yCbCr);
array[(int)(yCbCr.Y * 255f)]++;
array2[(int)(((double)yCbCr.Cb + 0.5) * 255.0)]++;
array3[(int)(((double)yCbCr.Cr + 0.5) * 255.0)]++;
pixels++;
if ((double)yCbCr.Y != 0.0 || (double)yCbCr.Cb != 0.0 || (double)yCbCr.Cr != 0.0)
{
array4[(int)(yCbCr.Y * 255f)]++;
array5[(int)(((double)yCbCr.Cb + 0.5) * 255.0)]++;
array6[(int)(((double)yCbCr.Cr + 0.5) * 255.0)]++;
pixelsWithoutBlack++;
}
}
num5++;
ptr += num;
mask++;
}
ptr += num2;
mask += num3;
}
}
yHistogram = new ContinuousHistogram(array, new Range(0f, 1f));
cbHistogram = new ContinuousHistogram(array2, new Range(-0.5f, 0.5f));
crHistogram = new ContinuousHistogram(array3, new Range(-0.5f, 0.5f));
yHistogramWithoutBlack = new ContinuousHistogram(array4, new Range(0f, 1f));
cbHistogramWithoutBlack = new ContinuousHistogram(array5, new Range(-0.5f, 0.5f));
crHistogramWithoutBlack = new ContinuousHistogram(array6, new Range(-0.5f, 0.5f));
}
