RasterHsvColor Structure

C#
Visual Basic
WinRT C#
Java
Objective-C
WinRT JavaScript
C++

[SerializableAttribute()]
public struct RasterHsvColor : System.ValueType

'Declaration

<SerializableAttribute()>
Public Structure RasterHsvColor 
   Inherits System.ValueType

'Usage

Dim instance As RasterHsvColor

[SerializableAttribute()]
public class RasterHsvColor

@interface LTRasterHsvColor : NSObject<NSCopying>

public final class RasterHsvColor

JAVASCRIPT_NOSTRUCTS

[SerializableAttribute()]
public value class RasterHsvColor : public System.ValueType

For more information on how to use this structure, refer to the AddColorHsvRangeToRegion method.

This structure does not support signed images.

This example converts between HSV and RGB colors and back.

C#
Visual Basic
WinRT C#
WinRT JavaScript
Silverlight C#
Silverlight VB

Copy Code

Imports Leadtools

      
  Public Sub Example()
   Dim rgb1 As RasterColor = New RasterColor(50, 100, 200)
   Console.WriteLine("rgb1 = {0}, {1}, {2}", rgb1.R, rgb1.G, rgb1.B)
   Dim hsv1 As RasterHsvColor = RasterHsvColor.FromRasterColor(rgb1)
   Console.WriteLine("hsv1 = {0}, {1}, {2}", hsv1.H, hsv1.S, hsv1.V)

   Dim hsv2 As RasterHsvColor = New RasterHsvColor(hsv1.H, hsv1.S, hsv1.V)
   Console.WriteLine("hsv2 = {0}, {1}, {2}", hsv2.H, hsv2.S, hsv2.V)

   Dim rgb2 As RasterColor = hsv2.ToRasterColor()
   Console.WriteLine("rgb2 = {0}, {1}, {2}", rgb2.R, rgb2.G, rgb2.B)
End Sub

using Leadtools;

      
public void Example()
{
   const int R = 50;
   const int G = 100;
   const int B = 200;
   // Expected HSV values based on RGB(50,100,200)
   const int H = 149;
   const int S = 191;
   const int V = 200;
   RasterColor rgb1 = new RasterColor(R, G, B);
   Assert.IsTrue(rgb1.R == R && rgb1.G == G && rgb1.B == B);
   Console.WriteLine("rgb1 = {0}, {1}, {2}", rgb1.R, rgb1.G, rgb1.B);

   RasterHsvColor hsv1 = RasterHsvColor.FromRasterColor(rgb1);
   Assert.IsTrue(hsv1.H == H && hsv1.S == S && hsv1.V == V);
   Console.WriteLine("hsv1 = {0}, {1}, {2}", hsv1.H, hsv1.S, hsv1.V);

   RasterHsvColor hsv2 = new RasterHsvColor(hsv1.H, hsv1.S, hsv1.V);
   Assert.IsTrue(hsv2.H == H && hsv2.S == S && hsv2.V == V);
   Console.WriteLine("hsv2 = {0}, {1}, {2}", hsv2.H, hsv2.S, hsv2.V);

   RasterColor rgb2 = hsv2.ToRasterColor();
   Assert.IsTrue(rgb2.R == R && rgb2.G == G && rgb2.B == B); //rgb2.G = 102 ??
   Console.WriteLine("rgb2 = {0}, {1}, {2}", rgb2.R, rgb2.G, rgb2.B);
}

function RasterHsvColorExamples() {
   with ( Leadtools )
   {
      var rgb1 = RasterColorHelper.create(50, 100, 200);
      console.log("rgb1 = ", rgb1.r, ", ", rgb1.g, ", ", rgb1.b);

      var hsv1 = RasterHsvColorHelper.fromRasterColor(rgb1);
      console.log("hsv1 = ", hsv1.h, ", ", hsv1.s, ", ", hsv1.v);

      var hsv2 = RasterHsvColorHelper.create(hsv1.h, hsv1.s, hsv1.v);
      console.log("hsv2 = ", hsv2.h, ", ", hsv2.s, ", ", hsv2.v);

      var rgb2 = RasterHsvColorHelper.toRasterColor(hsv2);
      console.log("rgb2 = ", rgb2.r, ", ", rgb2.g, ", ", rgb2.b);

      
   }
}

using Leadtools;

      
public void RasterHsvColorExample()
{
   RasterColor rgb1 = RasterColorHelper.Create(50, 100, 200);
   Debug.WriteLine("rgb1 = {0}, {1}, {2}", rgb1.R, rgb1.G, rgb1.B);
   RasterHsvColor hsv1 = RasterHsvColorHelper.FromRasterColor(rgb1);
   Debug.WriteLine("hsv1 = {0}, {1}, {2}", hsv1.H, hsv1.S, hsv1.V);

   RasterHsvColor hsv2 = RasterHsvColorHelper.Create(hsv1.H, hsv1.S, hsv1.V);
   Debug.WriteLine("hsv2 = {0}, {1}, {2}", hsv2.H, hsv2.S, hsv2.V);

   RasterColor rgb2 = RasterHsvColorHelper.ToRasterColor(hsv2);
   Debug.WriteLine("rgb2 = {0}, {1}, {2}", rgb2.R, rgb2.G, rgb2.B);
}

using Leadtools;

public void Example()
{
   RasterColor rgb1 = new RasterColor(50, 100, 200);
   Console.WriteLine("rgb1 = {0}, {1}, {2}", rgb1.R, rgb1.G, rgb1.B);

   RasterHsvColor hsv1 = RasterHsvColor.FromRasterColor(rgb1);
   Console.WriteLine("hsv1 = {0}, {1}, {2}", hsv1.H, hsv1.S, hsv1.V);

   RasterHsvColor hsv2 = new RasterHsvColor(hsv1.H, hsv1.S, hsv1.V);
   Console.WriteLine("hsv2 = {0}, {1}, {2}", hsv2.H, hsv2.S, hsv2.V);

   RasterColor rgb2 = hsv2.ToRasterColor();
   Console.WriteLine("rgb2 = {0}, {1}, {2}", rgb2.R, rgb2.G, rgb2.B);
}

Imports Leadtools

      
Public Sub Example()
   Dim rgb1 As RasterColor = New RasterColor(50, 100, 200)
   Console.WriteLine("rgb1 = {0}, {1}, {2}", rgb1.R, rgb1.G, rgb1.B)
   Dim hsv1 As RasterHsvColor = RasterHsvColor.FromRasterColor(rgb1)
   Console.WriteLine("hsv1 = {0}, {1}, {2}", hsv1.H, hsv1.S, hsv1.V)

   Dim hsv2 As RasterHsvColor = New RasterHsvColor(hsv1.H, hsv1.S, hsv1.V)
   Console.WriteLine("hsv2 = {0}, {1}, {2}", hsv2.H, hsv2.S, hsv2.V)

   Dim rgb2 As RasterColor = hsv2.ToRasterColor()
   Console.WriteLine("rgb2 = {0}, {1}, {2}", rgb2.R, rgb2.G, rgb2.B)
End Sub

Target Platforms

Reference

RasterHsvColor Members
Leadtools Namespace