RemapHueCommand Constructor()

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing.Color; 
 
 
public int INCREMENT_S2(int x, int Length) 
{ 
   return ((x + 1) % Length); 
} 
 
public int DECREMENT_S2(int x, int Length) 
{ 
   return ((x + (Length - 1)) % Length); 
} 
 
public int ADD_S2(int x, int y, int Length) 
{ 
   return ((x + y) % Length); 
} 
public void RemapHueCommandConstructorExample() 
{ 
   // Load an image 
   RasterCodecs codecs = new RasterCodecs(); 
   codecs.ThrowExceptionsOnInvalidImages = true; 
 
   RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "cannon.jpg")); 
 
   // Prepare the command 
   int Length; 
   if (image.BitsPerPixel >= 48) 
      Length = 0x10000; 
   else if (!(image.BitsPerPixel == 16 || image.BitsPerPixel == 12)) 
      Length = 256; 
   else if (image.GetLookupTable() != null && image.UseLookupTable) 
      Length = 256; 
   else 
      Length = (1 << image.BitsPerPixel); 
 
   //Allocate tables 
   int[] MaskTable = new int[Length]; 
   int[] HueTable = new int[Length]; 
 
   //Initialize tables 
   for (int i = 0; i < Length; i++) 
   { 
      MaskTable[i] = 0; 
      HueTable[i] = i; 
   } 
 
   //Get the hue for green 
   RasterHsvColor hsvRef = RasterHsvColor.FromRasterColor(new RasterColor(0, 255, 0)); 
 
   int HueGreen = hsvRef.H; 
 
   //Obtain new hue   
   hsvRef = RasterHsvColor.FromRasterColor(new RasterColor(255, 128, 0)); 
   int Change = (int)hsvRef.H - (int)HueGreen; 
   int HueChange = (Change > 0) ? (int)Change : (int)(Change + Length - 1); 
   HueGreen *= (Length - 1) / 255; 
   HueChange *= (Length - 1) / 255; 
 
   //Set values in HueTable, MaskTable  
   HueTable[HueGreen] = (HueTable[HueGreen] + HueChange); 
   MaskTable[HueGreen] = 1; 
 
   //set the hues near green (+/- 15) 
   int Count = (15 * (Length - 1)) / 255; 
   for (int i = INCREMENT_S2(HueGreen, Length); Count > 0; i = INCREMENT_S2(i, Length), Count--) 
   { 
      HueTable[i] = ADD_S2(HueTable[i], HueChange, Length); 
      MaskTable[i] = 1; 
   } 
 
   Count = (15 * (Length - 1)) / 255; 
   for (int i = DECREMENT_S2(HueGreen, Length); Count > 0; i = DECREMENT_S2(i, Length), Count--) 
   { 
      HueTable[i] = ADD_S2(HueTable[i], HueChange, Length); 
      MaskTable[i] = 1; 
   } 
 
   RemapHueCommand command = new RemapHueCommand(); 
   command.Mask = MaskTable; 
   command.HueTable = HueTable; 
   command.SaturationTable = null; 
   command.ValueTable = null; 
   command.LookUpTableLength = Length; 
   command.Run(image); 
   codecs.Save(image, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24); 
 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images"; 
}