public static Bitmap CreatePalette(int width, int height, List <Color> paleteColors)
{
UnsafeBitmap palette = new UnsafeBitmap(width, height);
PixelData currentColor = new PixelData();
using (Graphics graphics = Graphics.FromImage(palette.Bitmap))
graphics.FillRectangle(new SolidBrush(Color.FromArgb(245, 245, 245)), 0, 0, palette.Bitmap.Width, palette.Bitmap.Height);
int CoordStep = width / paleteColors.Count;
int lowerX = (width - CoordStep * paleteColors.Count) / 2;
int upperX = CoordStep;
foreach (Color color in paleteColors)
{
currentColor.red = color.R;
currentColor.green = color.G;
currentColor.blue = color.B;
palette.LockBitmap();
for (int x = lowerX; x < upperX; x++)
{
for (int y = 0; y < palette.Bitmap.Height; y++)
{
palette.SetPixel(x, y, currentColor);
}
}
palette.UnlockBitmap();
lowerX += CoordStep;
upperX += CoordStep;
}
return(palette.Bitmap);
}
static public List <List <Color> > GetMainColors(Bitmap Image)
{
s = "";
var watch = System.Diagnostics.Stopwatch.StartNew();
int AllColorsCount = 20;
int WorkColorsCount = 5;
int Suppression = 0;
#region берем цвета из изображения
Color[] RGB_Colors = new Color[Image.Width * Image.Height];
PixelData CurrentPixel;
Color CurrentColor;
UnsafeBitmap unsafeBitmap = new UnsafeBitmap(Image);
int index = 0;
int upperbound = 0;
int lowerboundX = unsafeBitmap.Bitmap.Width;
int lowerboundY = unsafeBitmap.Bitmap.Height;
unsafeBitmap.LockBitmap();
for (int x = upperbound; x < lowerboundX; x++)
{
for (int y = upperbound; y < lowerboundY; y++)
{
CurrentPixel = unsafeBitmap.GetPixel(x, y);
CurrentColor = Color.FromArgb(CurrentPixel.red, CurrentPixel.green, CurrentPixel.blue);
if (CurrentColor.R <= 255 - Suppression && CurrentColor.G <= 255 - Suppression && CurrentColor.B <= 255 - Suppression &&
CurrentColor.R >= Suppression && CurrentColor.G >= Suppression && CurrentColor.B >= Suppression)
{
RGB_Colors[index] = CurrentColor;
}
index++;
}
}
unsafeBitmap.UnlockBitmap();
#endregion
List <List <Color> > result = new List <List <Color> >();
List <List <Color> > RGB_GroupedColors;
Color[] palette;
if (Environment.ProcessorCount == 2)
{
RGB_GroupedColors = K_means.RunSingleThread(RGB_Colors, AllColorsCount, 4);
}
else
{
RGB_GroupedColors = K_means.RunMultiThread(RGB_Colors, AllColorsCount, 4);
}
for (int i = 0; i < AllColorsCount; i++)
{
RGB_GroupedColors[i] = DeleteLowSaturated(RGB_GroupedColors[i]);
}
palette = GetNearestColors(RGB_GroupedColors);
RGB_GroupedColors.Clear();
if (MainForm.CoreCount == 2)
{
RGB_GroupedColors = K_means.RunSingleThread(palette, WorkColorsCount, 2);
}
else
{
RGB_GroupedColors = K_means.RunMultiThread(palette, WorkColorsCount, 2);
}
result.Add(palette.ToList());
result.Add(GetCustomColors(RGB_GroupedColors, "saturated"));
result.Add(GetCustomColors(RGB_GroupedColors, "muffled"));
result.Add(GetCustomColors(RGB_GroupedColors, "dark"));
result.Add(GetCustomColors(RGB_GroupedColors, "bright"));
watch.Stop();
var elapsedMs = watch.ElapsedMilliseconds;
// System.Windows.Forms.MessageBox.Show(s + "\n" + ((float)elapsedMs / 1000).ToString() + "\t time");
return(result);
}
