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R Property

Summary
Gets or sets the red component of this RasterColor structure.
Syntax
C#
Objective-C
C++/CLI
Java
Python
public byte R { get; set; } 
@property (nonatomic, assign) unsigned char r 
public void r( 
   int intValue 
); 
public: 
property byte R { 
   byte get(); 
   void set (    byte ); 
} 
R # get and set (RasterColor) 

Property Value

The red component of this RasterColor structure.

Example
C#
using Leadtools; 
 
 
public void RasterColorArgbExample() 
{ 
   const int A = 128, R = 24, G = 87, B = 134; 
 
   // Create a RasterColor 
   RasterColor clr = new RasterColor(A, R, G, B); 
 
   // Make sure the color is correct 
   Assert.IsTrue(clr.A == A); 
   Assert.IsTrue(clr.R == R); 
   Assert.IsTrue(clr.G == G); 
   Assert.IsTrue(clr.B == B); 
 
   // The ARGB values represent real color components. This is NOT a palette index. 
   Assert.IsFalse(clr.IsPaletteIndex); 
 
   // Show its value 
   Console.WriteLine(clr); 
 
   // Show the A, R, G and B values 
   Console.WriteLine("Alpha value: " + clr.A); 
   Console.WriteLine("Red value: " + clr.R); 
   Console.WriteLine("Green value: " + clr.G); 
   Console.WriteLine("Blue value: " + clr.B); 
 
   // When the color is a palette index, the ARGB values are not color components 
   int index = 128; 
   RasterColor peletteIndex = RasterColor.FromPaletteIndex(index); 
   Assert.IsTrue(peletteIndex.IsPaletteIndex); 
   // The use the ToRGB method to obtain the index 
   Assert.IsTrue(peletteIndex.ToRgb() == index); 
} 
Requirements

Target Platforms

Help Version 23.0.2024.8.28
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Leadtools Assembly
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© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.