public static void RGB2HSL(RGB rgb, HSL hsl) {
double num = ((double)rgb.Red) / 255.0;
double num2 = ((double)rgb.Green) / 255.0;
double num3 = ((double)rgb.Blue) / 255.0;
double num4 = Math.Min(Math.Min(num, num2), num3);
double num5 = Math.Max(Math.Max(num, num2), num3);
double num6 = num5 - num4;
hsl.Luminance = (num5 + num4) / 2.0;
if (num6 == 0.0) {
hsl.Hue = 0;
hsl.Saturation = 0.0;
} else {
double num10;
hsl.Saturation = (hsl.Luminance < 0.5) ? (num6 / (num5 + num4)) : (num6 / ((2.0 - num5) - num4));
double num7 = (((num5 - num) / 6.0) + (num6 / 2.0)) / num6;
double num8 = (((num5 - num2) / 6.0) + (num6 / 2.0)) / num6;
double num9 = (((num5 - num3) / 6.0) + (num6 / 2.0)) / num6;
if (num == num5) {
num10 = num9 - num8;
} else if (num2 == num5) {
num10 = (0.33333333333333331 + num7) - num9;
} else {
num10 = (0.66666666666666663 + num8) - num7;
}
if (num10 < 0.0) {
num10++;
}
if (num10 > 1.0) {
num10--;
}
hsl.Hue = (int)(num10 * 360.0);
}
}
public static void HSL2RGB(HSL hsl, RGB rgb) {
if (hsl.Saturation == 0.0) {
rgb.Red = rgb.Green = rgb.Blue = (byte)(hsl.Luminance * 255.0);
} else {
double vH = ((double)hsl.Hue) / 360.0;
double num2 = (hsl.Luminance < 0.5) ? (hsl.Luminance * (1.0 + hsl.Saturation)) : ((hsl.Luminance + hsl.Saturation) - (hsl.Luminance * hsl.Saturation));
double num = (2.0 * hsl.Luminance) - num2;
rgb.Red = (byte)(255.0 * Hue2RGB(num, num2, vH + 0.33333333333333331));
rgb.Green = (byte)(255.0 * Hue2RGB(num, num2, vH));
rgb.Blue = (byte)(255.0 * Hue2RGB(num, num2, vH - 0.33333333333333331));
}
}
public unsafe Bitmap Apply(Bitmap srcImg)
{
if (srcImg.PixelFormat != PixelFormat.Format24bppRgb)
{
throw new ArgumentException();
}
int width = srcImg.Width;
int height = srcImg.Height;
BitmapData bitmapdata = srcImg.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb);
Bitmap bitmap = new Bitmap(width, height, PixelFormat.Format24bppRgb);
BitmapData data2 = bitmap.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.ReadWrite, PixelFormat.Format24bppRgb);
RGB rgb = new RGB();
HSL hsl = new HSL();
int num3 = bitmapdata.Stride - (width * 3);
byte* numPtr = (byte*) bitmapdata.Scan0.ToPointer();
byte* numPtr2 = (byte*) data2.Scan0.ToPointer();
for (int i = 0; i < height; i++)
{
int num5 = 0;
while (num5 < width)
{
rgb.Red = numPtr[2];
rgb.Green = numPtr[1];
rgb.Blue = numPtr[0];
GodLesZ.Library.Imaging.ColorConverter.RGB2HSL(rgb, hsl);
hsl.Hue = this.hue;
GodLesZ.Library.Imaging.ColorConverter.HSL2RGB(hsl, rgb);
numPtr2[2] = rgb.Red;
numPtr2[1] = rgb.Green;
numPtr2[0] = rgb.Blue;
num5++;
numPtr += 3;
numPtr2 += 3;
}
numPtr += num3;
numPtr2 += num3;
}
bitmap.UnlockBits(data2);
srcImg.UnlockBits(bitmapdata);
return bitmap;
}
public unsafe ImageStatistics(Bitmap image, bool collectHSL) {
int width = image.Width;
int height = image.Height;
this.pixels = width * height;
if (this.grayscale = image.PixelFormat == PixelFormat.Format8bppIndexed) {
BitmapData bitmapdata = image.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.ReadOnly, PixelFormat.Format8bppIndexed);
int[] values = new int[0x100];
int num3 = bitmapdata.Stride - width;
byte* numPtr = (byte*)bitmapdata.Scan0.ToPointer();
for (int i = 0; i < height; i++) {
int num5 = 0;
while (num5 < width) {
values[numPtr[0]]++;
num5++;
numPtr++;
}
numPtr += num3;
}
image.UnlockBits(bitmapdata);
this.gray = new Histogram(values);
} else {
BitmapData data2 = image.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb);
int[] numArray2 = new int[0x100];
int[] numArray3 = new int[0x100];
int[] numArray4 = new int[0x100];
int[] numArray5 = new int[0x100];
int[] numArray6 = new int[0x100];
RGB rgb = new RGB();
HSL hsl = new HSL();
int num6 = data2.Stride - (width * 3);
byte* numPtr2 = (byte*)data2.Scan0.ToPointer();
for (int j = 0; j < height; j++) {
int num8 = 0;
while (num8 < width) {
numArray2[numPtr2[2]]++;
numArray3[numPtr2[1]]++;
numArray4[numPtr2[0]]++;
if (collectHSL) {
rgb.Red = numPtr2[2];
rgb.Green = numPtr2[1];
rgb.Blue = numPtr2[0];
if (collectHSL) {
GodLesZ.Library.Imaging.ColorConverter.RGB2HSL(rgb, hsl);
numArray5[(int)(hsl.Saturation * 255.0)]++;
numArray6[(int)(hsl.Luminance * 255.0)]++;
}
}
num8++;
numPtr2 += 3;
}
numPtr2 += num6;
}
image.UnlockBits(data2);
this.red = new Histogram(numArray2);
this.green = new Histogram(numArray3);
this.blue = new Histogram(numArray4);
if (collectHSL) {
this.saturation = new HistogramD(numArray5, new RangeD(0.0, 1.0));
this.luminance = new HistogramD(numArray6, new RangeD(0.0, 1.0));
}
}
}
public unsafe Bitmap Apply(Bitmap srcImg)
{
if (srcImg.PixelFormat != PixelFormat.Format24bppRgb)
{
throw new ArgumentException();
}
int width = srcImg.Width;
int height = srcImg.Height;
BitmapData bitmapdata = srcImg.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb);
Bitmap bitmap = new Bitmap(width, height, PixelFormat.Format24bppRgb);
BitmapData data2 = bitmap.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.ReadWrite, PixelFormat.Format24bppRgb);
RGB rgb = new RGB();
HSL hsl = new HSL();
int num3 = bitmapdata.Stride - (width * 3);
double num4 = 0.0;
double num5 = 0.0;
double num6 = 0.0;
double num7 = 0.0;
if (this.inLuminance.Max != this.inLuminance.Min)
{
num4 = (this.outLuminance.Max - this.outLuminance.Min) / (this.inLuminance.Max - this.inLuminance.Min);
num5 = this.outLuminance.Min - (num4 * this.inLuminance.Min);
}
if (this.inSaturation.Max != this.inSaturation.Min)
{
num6 = (this.outSaturation.Max - this.outSaturation.Min) / (this.inSaturation.Max - this.inSaturation.Min);
num7 = this.outSaturation.Min - (num6 * this.inSaturation.Min);
}
byte* numPtr = (byte*) bitmapdata.Scan0.ToPointer();
byte* numPtr2 = (byte*) data2.Scan0.ToPointer();
for (int i = 0; i < height; i++)
{
int num9 = 0;
while (num9 < width)
{
rgb.Red = numPtr[2];
rgb.Green = numPtr[1];
rgb.Blue = numPtr[0];
GodLesZ.Library.Imaging.ColorConverter.RGB2HSL(rgb, hsl);
if (hsl.Luminance >= this.inLuminance.Max)
{
hsl.Luminance = this.outLuminance.Max;
}
else if (hsl.Luminance <= this.inLuminance.Min)
{
hsl.Luminance = this.outLuminance.Min;
}
else
{
hsl.Luminance = (num4 * hsl.Luminance) + num5;
}
if (hsl.Saturation >= this.inSaturation.Max)
{
hsl.Saturation = this.outSaturation.Max;
}
else if (hsl.Saturation <= this.inSaturation.Min)
{
hsl.Saturation = this.outSaturation.Min;
}
else
{
hsl.Saturation = (num6 * hsl.Saturation) + num7;
}
GodLesZ.Library.Imaging.ColorConverter.HSL2RGB(hsl, rgb);
numPtr2[2] = rgb.Red;
numPtr2[1] = rgb.Green;
numPtr2[0] = rgb.Blue;
num9++;
numPtr += 3;
numPtr2 += 3;
}
numPtr += num3;
numPtr2 += num3;
}
bitmap.UnlockBits(data2);
srcImg.UnlockBits(bitmapdata);
return bitmap;
}
public unsafe ImageStatistics(Bitmap image, bool collectHSL)
{
int width = image.Width;
int height = image.Height;
this.pixels = width * height;
if (this.grayscale = image.PixelFormat == PixelFormat.Format8bppIndexed)
{
BitmapData bitmapdata = image.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.ReadOnly, PixelFormat.Format8bppIndexed);
int[] values = new int[0x100];
int num3 = bitmapdata.Stride - width;
byte * numPtr = (byte *)bitmapdata.Scan0.ToPointer();
for (int i = 0; i < height; i++)
{
int num5 = 0;
while (num5 < width)
{
values[numPtr[0]]++;
num5++;
numPtr++;
}
numPtr += num3;
}
image.UnlockBits(bitmapdata);
this.gray = new Histogram(values);
}
else
{
BitmapData data2 = image.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb);
int[] numArray2 = new int[0x100];
int[] numArray3 = new int[0x100];
int[] numArray4 = new int[0x100];
int[] numArray5 = new int[0x100];
int[] numArray6 = new int[0x100];
RGB rgb = new RGB();
HSL hsl = new HSL();
int num6 = data2.Stride - (width * 3);
byte * numPtr2 = (byte *)data2.Scan0.ToPointer();
for (int j = 0; j < height; j++)
{
int num8 = 0;
while (num8 < width)
{
numArray2[numPtr2[2]]++;
numArray3[numPtr2[1]]++;
numArray4[numPtr2[0]]++;
if (collectHSL)
{
rgb.Red = numPtr2[2];
rgb.Green = numPtr2[1];
rgb.Blue = numPtr2[0];
if (collectHSL)
{
GodLesZ.Library.Imaging.ColorConverter.RGB2HSL(rgb, hsl);
numArray5[(int)(hsl.Saturation * 255.0)]++;
numArray6[(int)(hsl.Luminance * 255.0)]++;
}
}
num8++;
numPtr2 += 3;
}
numPtr2 += num6;
}
image.UnlockBits(data2);
this.red = new Histogram(numArray2);
this.green = new Histogram(numArray3);
this.blue = new Histogram(numArray4);
if (collectHSL)
{
this.saturation = new HistogramD(numArray5, new RangeD(0.0, 1.0));
this.luminance = new HistogramD(numArray6, new RangeD(0.0, 1.0));
}
}
}
public unsafe Bitmap Apply(Bitmap srcImg)
{
if (srcImg.PixelFormat != PixelFormat.Format24bppRgb)
{
throw new ArgumentException();
}
int width = srcImg.Width;
int height = srcImg.Height;
BitmapData bitmapdata = srcImg.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb);
Bitmap bitmap = new Bitmap(width, height, PixelFormat.Format24bppRgb);
BitmapData data2 = bitmap.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.ReadWrite, PixelFormat.Format24bppRgb);
RGB rgb = new RGB();
HSL hsl = new HSL();
int num3 = bitmapdata.Stride - (width * 3);
byte* numPtr = (byte*) bitmapdata.Scan0.ToPointer();
byte* numPtr2 = (byte*) data2.Scan0.ToPointer();
for (int i = 0; i < height; i++)
{
int num5 = 0;
while (num5 < width)
{
rgb.Red = numPtr[2];
rgb.Green = numPtr[1];
rgb.Blue = numPtr[0];
GodLesZ.Library.Imaging.ColorConverter.RGB2HSL(rgb, hsl);
if ((((hsl.Saturation >= this.saturation.Min) && (hsl.Saturation <= this.saturation.Max)) && ((hsl.Luminance >= this.luminance.Min) && (hsl.Luminance <= this.luminance.Max))) && ((((this.hue.Min < this.hue.Max) && (hsl.Hue >= this.hue.Min)) && (hsl.Hue <= this.hue.Max)) || ((this.hue.Min > this.hue.Max) && ((hsl.Hue >= this.hue.Min) || (hsl.Hue <= this.hue.Max)))))
{
if (!this.fillOutsideRange)
{
if (this.updateH)
{
hsl.Hue = this.fillH;
}
if (this.updateS)
{
hsl.Saturation = this.fillS;
}
if (this.updateL)
{
hsl.Luminance = this.fillL;
}
}
}
else if (this.fillOutsideRange)
{
if (this.updateH)
{
hsl.Hue = this.fillH;
}
if (this.updateS)
{
hsl.Saturation = this.fillS;
}
if (this.updateL)
{
hsl.Luminance = this.fillL;
}
}
GodLesZ.Library.Imaging.ColorConverter.HSL2RGB(hsl, rgb);
numPtr2[2] = rgb.Red;
numPtr2[1] = rgb.Green;
numPtr2[0] = rgb.Blue;
num5++;
numPtr += 3;
numPtr2 += 3;
}
numPtr += num3;
numPtr2 += num3;
}
bitmap.UnlockBits(data2);
srcImg.UnlockBits(bitmapdata);
return bitmap;
}
