//Das hier alles testen und weitermachen 26.10.2017
/// <summary>
/// Calculate the distance to palette 0..4
/// </summary>
/// <param name="item">color of the original palette element of sortedList</param>
/// <param name="palBitmap">Bitmap from Palette 0..4</param>
public static void CalcDistances(int calcMode, ref OriginalColor item, params Bitmap[] palBitmap)
{
// distance to palette 0..4
double[] distance = new double[palBitmap.Length];
// Minium distance to palette 0..4
double[] minDistance = new double[palBitmap.Length];
// Initialize Minimum with max. from Double
for (int i = 0; i < minDistance.Length; i++)
{
minDistance[i] = Double.MaxValue;
}
//Lab-color from item
double[] lab0 = new double[3];
lab0 = ColorSpace.RGB2Lab(item.Pix);
//Lab-color from palette
double[] lab1 = new double[3];
//HSV-color from item
double[] hsv0 = new double[3];
hsv0 = ColorSpace.RGB2HSV(item.Pix);
//Lab-color from palette
double[] hsv1 = new double[3];
// j = Palette Bitmap 0 ..4
for (int j = 0; j < palBitmap.Length; j++)
{
//Calculate the min distance to palette 0..4
if (palBitmap[j] != null)
{
for (int x = 0; x < palBitmap[j].Width; x++)
{
for (int y = 0; y < palBitmap[j].Height; y++)
{
lab1 = ColorSpace.RGB2Lab(palBitmap[j].GetPixel(x, y));
hsv1 = ColorSpace.RGB2HSV(palBitmap[j].GetPixel(x, y));
if (calcMode == 0) // Color-distance
{
distance[j] = ColorSpace.ColorDistance2(lab0, lab1);
}
if (calcMode == 1) // HSV-Color H (Farbwert)
{
distance[j] = Math.Abs(hsv0[0] - hsv1[0]);
}
if (calcMode == 2) // HSV-Color S (Sätigung)
{
distance[j] = Math.Abs(hsv0[1] - hsv1[1]);
}
if (calcMode == 3) // HSV-Color V (Hellwert)
{
distance[j] = Math.Abs(hsv0[2] - hsv1[2]);
}
if (distance[j] < minDistance[j])
{
minDistance[j] = distance[j];
}
}
}
switch (j)
{
case 0:
{
item.DistanceTo0 = minDistance[j]; // Min Distance to palette 0
break;
}
case 1:
{
item.DistanceTo1 = minDistance[j]; // Min Distance to palette 1
break;
}
case 2:
{
item.DistanceTo2 = minDistance[j]; // Min Distance to palette 2
break;
}
case 3:
{
item.DistanceTo3 = minDistance[j]; // Min Distance to palette 3
break;
}
case 4:
{
item.DistanceTo4 = minDistance[j]; // Min Distance to palette 4
break;
}
default:
// Error no more palettes
break;
}
}
}
}
public OriginalColor(int calcMode, Color pix, Bitmap[] bitmapPalette)
{
this.calcMode = calcMode;
Pix = pix;
this.bitmapPalette = bitmapPalette;
int jMin = -1;
// distance to palette 0..4
double[] distance = new double[4];
// Minium distance to palette 0..4
double[] minDistance = new double[4];
//Lab-color from item
double[] lab0 = new double[3];
lab0 = ColorSpace.RGB2Lab(pix);
//Lab-color from palette
double[] lab1 = new double[3];
//HSV-color from item
double[] hsv0 = new double[3];
hsv0 = ColorSpace.RGB2HSV(pix);
//Lab-color from palette
double[] hsv1 = new double[3];
// j = Palette Bitmap 0 ..4
for (int j = 0; j < bitmapPalette.Length; j++)
{
//Calculate the min distance to palette 0..4
this.distanceMinIndex = -1;
this.DistanceMin = Double.MaxValue;
this.DistanceTo0 = Double.MaxValue;
this.DistanceTo1 = Double.MaxValue;
this.DistanceTo2 = Double.MaxValue;
this.DistanceTo3 = Double.MaxValue;
this.DistanceTo4 = Double.MaxValue;
if (bitmapPalette[j] != null)
{
minDistance[j] = Double.MaxValue;
for (int x = 0; x < bitmapPalette[j].Width; x++)
{
for (int y = 0; y < bitmapPalette[j].Height; y++)
{
lab1 = ColorSpace.RGB2Lab(bitmapPalette[j].GetPixel(x, y));
hsv1 = ColorSpace.RGB2HSV(bitmapPalette[j].GetPixel(x, y));
if (calcMode == 0) // Color-distance
{
distance[j] = ColorSpace.ColorDistance2(lab0, lab1);
}
if (calcMode == 1) // HSV-Color H (Farbwert)
{
distance[j] = Math.Abs(hsv0[0] - hsv1[0]);
}
if (calcMode == 2) // HSV-Color S (Sätigung)
{
distance[j] = Math.Abs(hsv0[1] - hsv1[1]);
}
if (calcMode == 3) // HSV-Color V (Hellwert)
{
distance[j] = Math.Abs(hsv0[2] - hsv1[2]);
}
if (distance[j] < minDistance[j])
{
minDistance[j] = distance[j];
jMin = j;
if (j == 0)
{
this.DistanceTo0 = minDistance[j];
}
if (j == 1)
{
this.DistanceTo1 = minDistance[j];
}
if (j == 2)
{
this.DistanceTo2 = minDistance[j];
}
if (j == 3)
{
this.DistanceTo3 = minDistance[j];
}
if (j == 4)
{
this.DistanceTo4 = minDistance[j];
}
}
}
}
}
}
}
private void PreviewLinear()
{
bool saveTemporaryBmp;
bool saveTemporaryJpeg;
bool error = PaletteWindowToPaletteGradient();
if (!error)
{
//string for temporary file
string result = ""; // temporary path
string result_bmp = ""; // full name temporary bmp
string result_jpeg = ""; // full name temporary jpeg
// Label text start and End Color
string start;
string end;
start = "Startfarbe: " + PalGra.StartColor.ToString();
end = "Endfarbe: " + PalGra.EndColor.ToString();
LblStartColor.Content = start;
LblEndColor.Content = end;
// Write the pixels in the temp Bitmap
BitmapPalette = new System.Drawing.Bitmap(PalGra.PixelCounter, 1);
// first pixel
PalGra.RGB_StartColor = new System.Drawing.Color();
PalGra.RGB_StartColor = System.Drawing.Color.FromArgb(
PalGra.StartColor.A,
PalGra.StartColor.R,
PalGra.StartColor.G,
PalGra.StartColor.B);
BitmapPalette.SetPixel(0, 0, PalGra.RGB_StartColor);
// last pixel
PalGra.RGB_EndColor = new System.Drawing.Color();
PalGra.RGB_EndColor = System.Drawing.Color.FromArgb(
PalGra.EndColor.A,
PalGra.EndColor.R,
PalGra.EndColor.G,
PalGra.EndColor.B);
BitmapPalette.SetPixel(PalGra.PixelCounter - 1, 0, PalGra.RGB_EndColor);
//gradient pixels
if (PalGra.PixelCounter > 2)
{
PalGra.LabStartColor = ColorSpace.RGB2Lab(PalGra.RGB_StartColor);
PalGra.LabEndColor = ColorSpace.RGB2Lab(PalGra.RGB_EndColor);
for (int i = 0; i < 3; i++)
{
PalGra.LabStepColor[i] = (PalGra.LabEndColor[i] - PalGra.LabStartColor[i]) /
(Convert.ToDouble(PalGra.PixelCounter) - 1.0);
PalGra.LabNewColor[i] = PalGra.LabStartColor[i] + PalGra.LabStepColor[i];
}
for (int i = 1; i < PalGra.PixelCounter - 1; i++)
{
PalGra.RGB_NewColor = ColorSpace.Lab2RGB(PalGra.LabNewColor);
BitmapPalette.SetPixel(i, 0, PalGra.RGB_NewColor);
for (int j = 0; j < 3; j++)
{
PalGra.LabNewColor[j] = PalGra.LabNewColor[j] + PalGra.LabStepColor[j];
}
}
}
BitmapPaletteCopy = new Bitmap(BitmapPalette);
//Save Bitmap in TempPath
result = System.IO.Path.GetTempPath();
saveTemporaryBmp = false;
for (int i = 1; !saveTemporaryBmp && i < 10; i++)
{
result_bmp = result + i.ToString() + "Palette.bmp";
try
{
BitmapPalette.Save(result_bmp, System.Drawing.Imaging.ImageFormat.Bmp);
saveTemporaryBmp = true;
}
catch (Exception ex)
{
if (i > 8)
{
System.Windows.MessageBox.Show(i.ToString() + " Save *.Bmp in temporary path: " + ex.Message);
}
}
}
PalGra.PathTempBitmap = result_bmp;
//Save Bitmap in TempPath as jpeg
saveTemporaryJpeg = false;
for (int i = 1; !saveTemporaryJpeg && i < 10; i++)
{
result_jpeg = result + i.ToString() + "Palette.jpg";
try
{
BitmapPaletteCopy.Save(result_jpeg, System.Drawing.Imaging.ImageFormat.Jpeg);
saveTemporaryJpeg = true;
}
catch (Exception ex)
{
if (i > 8)
{
System.Windows.MessageBox.Show(i.ToString() + " Save *.jpg in temporary path: " + ex.Message);
}
}
}
PalGra.PathTempBitmapImage = result_jpeg;
// Show Bitmap
if (File.Exists(PalGra.PathTempBitmapImage))
{
ImageColor.BeginInit();
ImageColor.Source = new BitmapImage(new Uri(PalGra.PathTempBitmapImage));
ImageColor.EndInit();
this.Title = "Palette: " + PalGra.PathTempBitmapImage;
}
}
}
public ImitationColor(int calcMode, double[] correction, Color pix, Bitmap[] palBitmap)
{
//default settings
PaletteNewColor = Color.FromArgb(0, 222, 222, 222);
TargetIndex = -1;
PaletteListIndex = -1;
OriginalIndex = -1;
OriginalListIndex = -1;
int jMin = -1;
Pix = pix;
// distance to palette 0..4
double distance = Double.MaxValue;
// Minium distance to palette 0..4
double minDistance = Double.MaxValue;
//Lab-color from item
double[] lab0 = new double[3];
lab0 = ColorSpace.RGB2Lab(pix);
//Lab-color from palette
double[] lab1 = new double[3];
//HSV-color from item
double[] hsv0 = new double[3];
hsv0 = ColorSpace.RGB2HSV(pix);
//Lab-color from palette
double[] hsv1 = new double[3];
// j = Palette Bitmap 0 ..4
for (int j = 0; j < palBitmap.Length; j++)
{
//Calculate the min distance to palette 0..4
if (palBitmap[j] != null)
{
for (int x = 0; x < palBitmap[j].Width; x++)
{
for (int y = 0; y < palBitmap[j].Height; y++)
{
lab1 = ColorSpace.RGB2Lab(palBitmap[j].GetPixel(x, y));
hsv1 = ColorSpace.RGB2HSV(palBitmap[j].GetPixel(x, y));
if (calcMode == 0) // Color-distance
{
distance = ColorSpace.ColorDistance2(lab0, lab1) - correction[j];
}
if (calcMode == 1) // HSV-Color H (Farbwert)
{
distance = Math.Abs(hsv0[0] - hsv1[0]) - correction[j];
}
if (calcMode == 2) // HSV-Color S (Sätigung)
{
distance = Math.Abs(hsv0[1] - hsv1[1]) - correction[j];
}
if (calcMode == 3) // HSV-Color V (Hellwert)
{
distance = Math.Abs(hsv0[2] - hsv1[2]) - correction[j];
}
if (distance < minDistance)
{
minDistance = distance;
jMin = j;
}
}
}
}
}
this.PaletteIndex = jMin;
}
private void Preview3D()
{
bool saveTemporaryBmp;
bool saveTemporaryJpeg;
// corditates from bitmap for setpixel
int x = 0;
int y = 0;
// Color Palette sorted by distance to 0..4
this.hsvColors = new Dictionary <string, HSV_Color>();
//the new calculate hsv-Color
HSV_Color newHsvColor = new HSV_Color();
//the gradients (3d) hsv-Color
double[] partHsvColor = new double[3];
// step hsv
bool error = PaletteWindowToPaletteGradient();
;
if (!error)
{
//string for temporary file
string result = ""; // temporary path
string result_bmp = ""; // full name temporary bmp
string result_jpeg = ""; // full name temporary jpeg
// Label text start and End Color
string start;
string end;
start = "Startfarbe: " + PalGra.StartColor.ToString();
end = "Endfarbe: " + PalGra.EndColor.ToString();
LblStartColor.Content = start;
LblEndColor.Content = end;
// Calculate the HSV start color
Color drawingcolorStart = System.Drawing.Color.FromArgb(
PalGra.StartColor.A,
PalGra.StartColor.R,
PalGra.StartColor.G,
PalGra.StartColor.B);
PalGra.HsvStartColor = ColorSpace.RGB2HSV(drawingcolorStart);
// Calculate the HSV end color
Color drawingcolorEnd = System.Drawing.Color.FromArgb(
PalGra.EndColor.A,
PalGra.EndColor.R,
PalGra.EndColor.G,
PalGra.EndColor.B);
PalGra.HsvEndColor = ColorSpace.RGB2HSV(drawingcolorEnd);
// Label HSV Start colors
LblStartFarbwert.Content = "Farbwert HSV " + PalGra.HsvStartColor[0].ToString();
LblStartHellwert.Content = "Hellwert HSV " + PalGra.HsvStartColor[1].ToString();
LblStartSaetigung.Content = "Saetigung HSV " + PalGra.HsvStartColor[2].ToString();
// Label HSV End colors
LblEndFarbwert.Content = "Farbwert HSV " + PalGra.HsvEndColor[0].ToString();
LblEndHellwert.Content = "Hellwert HSV " + PalGra.HsvEndColor[1].ToString();
LblEndSaetigung.Content = "Saetigung HSV " + PalGra.HsvEndColor[2].ToString();
// Define the width and height from the bitmap
if (PalGra.HsvCounter1 >= PalGra.HsvCounter0 * PalGra.HsvCounter2)
{
BitmapPalette = new System.Drawing.Bitmap(PalGra.HsvCounter0 * PalGra.HsvCounter2,
PalGra.HsvCounter1);
}
else if (PalGra.HsvCounter2 >= PalGra.HsvCounter0 * PalGra.HsvCounter1)
{
BitmapPalette = new System.Drawing.Bitmap(PalGra.HsvCounter0 * PalGra.HsvCounter1,
PalGra.HsvCounter2);
}
else
{
BitmapPalette = new System.Drawing.Bitmap(PalGra.HsvCounter1 * PalGra.HsvCounter2,
PalGra.HsvCounter0);
}
PalGra.RGB_StartColor = new Color();
PalGra.RGB_StartColor = System.Drawing.Color.FromArgb(
PalGra.StartColor.A,
PalGra.StartColor.R,
PalGra.StartColor.G,
PalGra.StartColor.B);
BitmapPalette.SetPixel(0, 0, PalGra.RGB_StartColor);
// last pixel
PalGra.RGB_EndColor = new System.Drawing.Color();
PalGra.RGB_EndColor = System.Drawing.Color.FromArgb(
PalGra.EndColor.A,
PalGra.EndColor.R,
PalGra.EndColor.G,
PalGra.EndColor.B);
BitmapPalette.SetPixel(BitmapPalette.Width - 1, BitmapPalette.Height - 1, PalGra.RGB_EndColor);
partHsvColor[0] = (PalGra.HsvEndColor[0] - PalGra.HsvStartColor[0]) / Convert.ToDouble(PalGra.HsvCounter0);
partHsvColor[1] = (PalGra.HsvEndColor[1] - PalGra.HsvStartColor[1]) / Convert.ToDouble(PalGra.HsvCounter1);
partHsvColor[2] = (PalGra.HsvEndColor[2] - PalGra.HsvStartColor[2]) / Convert.ToDouble(PalGra.HsvCounter2);
;
//gradient pixels
newHsvColor.HsvColor[0] = PalGra.HsvStartColor[0];
;
do
{
newHsvColor.HsvColor[1] = PalGra.HsvStartColor[1];
;
do
{
newHsvColor.HsvColor[2] = PalGra.HsvStartColor[2];
;
do
{
// the new color from hsv
newHsvColor.Pix = ColorSpace.HSV2RGB(newHsvColor.HsvColor);
// setpixel in the bitmap
BitmapPalette.SetPixel(x, y, newHsvColor.Pix);
;
// define x and y for the next pixel
if (y < BitmapPalette.Height - 1)
{
y = Math.Min(++y, BitmapPalette.Height - 1);
}
else if (x < BitmapPalette.Width - 1)
{
y = 0;
x = Math.Min(++x, BitmapPalette.Width - 1);
}
newHsvColor.HsvColor[2] += partHsvColor[2];
}while ((Math.Abs(newHsvColor.HsvColor[2] - PalGra.HsvEndColor[2]) >= 0.0001 &&
(PalGra.HsvEndColor[2] != PalGra.HsvStartColor[2])));
newHsvColor.HsvColor[1] += partHsvColor[1];
}while ((Math.Abs(newHsvColor.HsvColor[1] - PalGra.HsvEndColor[1]) >= 0.0001 &&
(PalGra.HsvEndColor[1] != PalGra.HsvStartColor[1])));
newHsvColor.HsvColor[0] += partHsvColor[0];
}while ((Math.Abs(newHsvColor.HsvColor[0] - PalGra.HsvEndColor[0]) >= 0.0001 &&
(PalGra.HsvEndColor[0] != PalGra.HsvStartColor[0])));
BitmapPaletteCopy = new Bitmap(BitmapPalette);
//Save Bitmap in TempPath
result = System.IO.Path.GetTempPath();
saveTemporaryBmp = false;
for (int i = 1; !saveTemporaryBmp && i < 10; i++)
{
result_bmp = result + i.ToString() + "Palette.bmp";
try
{
BitmapPalette.Save(result_bmp, System.Drawing.Imaging.ImageFormat.Bmp);
saveTemporaryBmp = true;
}
catch (Exception ex)
{
if (i > 8)
{
System.Windows.MessageBox.Show(i.ToString() + " Save *.Bmp in temporary path: " + ex.Message);
}
}
}
PalGra.PathTempBitmap = result_bmp;
//Save Bitmap in TempPath as jpeg
saveTemporaryJpeg = false;
for (int i = 1; !saveTemporaryJpeg && i < 10; i++)
{
result_jpeg = result + i.ToString() + "Palette.jpg";
try
{
BitmapPaletteCopy.Save(result_jpeg, System.Drawing.Imaging.ImageFormat.Jpeg);
saveTemporaryJpeg = true;
}
catch (Exception ex)
{
if (i > 8)
{
System.Windows.MessageBox.Show(i.ToString() + " Save *.jpg in temporary path: " + ex.Message);
}
}
}
PalGra.PathTempBitmapImage = result_jpeg;
// Show Bitmap
if (File.Exists(PalGra.PathTempBitmapImage))
{
ImageColor.BeginInit();
ImageColor.Source = new BitmapImage(new Uri(PalGra.PathTempBitmapImage));
ImageColor.EndInit();
this.Title = "Palette: " + PalGra.PathTempBitmapImage;
}
}
}
