FromRgb Method

Summary

Creates a RasterColor from an rgb value.

Syntax

C++

public static RasterColor FromRgb( 
   int rgb 
)

Public Shared Function FromRgb( _ 
   ByVal rgb As Integer _ 
) As RasterColor

public: 
static RasterColor FromRgb(  
   int rgb 
)

Parameters

rgb
The rgb value.

Return Value

The RasterColor structure that this method creates.

Example

This example will create an array of RasterColor containing 256 shades of gray.

using Leadtools; 
 
public void FromRgbExample() 
{ 
   RasterColor[] colors = new RasterColor[RasterColor.MaximumComponent - RasterColor.MinimumComponent + 1]; 
   for (int i = RasterColor.MinimumComponent; i < RasterColor.MaximumComponent; i++) 
   { 
      colors[i] = RasterColor.FromRgb(i); 
   } 
 
   for (int i = RasterColor.MinimumComponent; i < RasterColor.MaximumComponent; i++) 
   { 
      Assert.IsTrue(colors[i].ToRgb() == i); 
   } 
}

Imports Leadtools 
 
Public Sub FromRgbExample() 
   Dim colors As RasterColor() = New RasterColor(RasterColor.MaximumComponent - RasterColor.MinimumComponent) {} 
   Dim i As Integer = RasterColor.MinimumComponent 
   Do While i < RasterColor.MaximumComponent 
      colors(i) = RasterColor.FromRgb(i) 
      i += 1 
   Loop 
 
   i = RasterColor.MinimumComponent 
   Do While i < RasterColor.MaximumComponent 
      Debug.Assert(colors(i).ToRgb() = i) 
      i += 1 
   Loop 
End Sub

c#[Silverlight C# Example] 
using Leadtools; 
using Leadtools.Windows.Media; 
 
public void FromRgbExample() 
{ 
   RasterColor[] colors = new RasterColor[RasterColor.MaximumComponent - RasterColor.MinimumComponent + 1]; 
   for (int i = RasterColor.MinimumComponent; i < RasterColor.MaximumComponent; i++) 
   { 
      colors[i] = RasterColor.FromRgb(i); 
   } 
 
   for (int i = RasterColor.MinimumComponent; i < RasterColor.MaximumComponent; i++) 
   { 
      Debug.Assert(colors[i].ToRgb() == i); 
   } 
} 
vb[Silverlight VB Example] 
Imports Leadtools 
Imports Leadtools.Windows.Media 
 
Public Sub FromRgbExample() 
   Dim colors As RasterColor() = New RasterColor(RasterColor.MaximumComponent - RasterColor.MinimumComponent) {} 
   Dim i As Integer = RasterColor.MinimumComponent 
   Do While i < RasterColor.MaximumComponent 
      colors(i) = RasterColor.FromRgb(i) 
      i += 1 
   Loop 
 
   i = RasterColor.MinimumComponent 
   Do While i < RasterColor.MaximumComponent 
      Debug.Assert(colors(i).ToRgb() = i) 
      i += 1 
   Loop 
End Sub

Requirements

Target Platforms

Reference

RasterColor Structure

RasterColor Members

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Help Version 20.0.2020.4.2

Leadtools Assembly

Introduction

Getting Started

Namespaces

Leadtools Namespace

Leadtools.ImageProcessing Namespace

Assemblies