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Addd public properties and documentation.

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This commit is contained in:
the_fiddler 2008-01-23 12:41:10 +00:00
parent 53e9ad11d7
commit e0ec10d11c
1 changed files with 57 additions and 4 deletions
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61
Source/OpenTK/ColorMode.cs
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@ -10,12 +10,23 @@ using System.Globalization;
namespace OpenTK
{
/// <summary>Defines a color mode for OpenGL rendering.</summary>
/// <remarks>
/// <para>A ColorMode contains Red, Green, Blue and Alpha components that descibe
/// the allocated bits per pixel for the corresponding color.</para>
/// </remarks>
public class ColorMode
{
public byte Red, Green, Blue, Alpha;
public bool IsIndexed = false;
public int BitsPerPixel;
byte red, green, blue, alpha;
bool isIndexed = false;
int bitsPerPixel;
#region --- Constructors ---
/// <summary>
/// Constructs a new ColorMode with the specified aggregate bits per pixel.
/// </summary>
/// <param name="bpp">The bits per pixel sum for the Red, Green, Blue and Alpha color channels.</param>
public ColorMode(int bpp)
{
Red = Green = Blue = Alpha = 0;
@ -37,16 +48,33 @@ namespace OpenTK
Red = Green = Blue = 5;
break;
case 8:
Red = Green = 3;
Blue = 2;
IsIndexed = true;
break;
case 4:
Red = Green = 2;
Blue = 1;
IsIndexed = true;
break;
case 1:
IsIndexed = true;
break;
default:
Red = Blue = Alpha = (byte)(bpp / 4);
Green = (byte)((bpp / 4) + (bpp % 4));
break;
}
}
/// <summary>
/// Constructs a new ColorMode with the specified bits per pixel for
/// the Red, Green, Blue and Alpha color channels.
/// </summary>
/// <param name="red">Bits per pixel for the Red color channel.</param>
/// <param name="green">Bits per pixel for the Green color channel.</param>
/// <param name="blue">Bits per pixel for the Blue color channel.</param>
/// <param name="alpha">Bits per pixel for the Alpha color channel.</param>
public ColorMode(int red, int green, int blue, int alpha)
{
Red = (byte)red;
@ -54,8 +82,31 @@ namespace OpenTK
Blue = (byte)blue;
Alpha = (byte)alpha;
BitsPerPixel = red + green + blue + alpha;
if (BitsPerPixel < 15)
IsIndexed = true;
}
#endregion
#region --- Public Methods ---
/// <summary>Gets the bits per pixel for the Red channel.</summary>
public int Red { get { return red; } private set { red = (byte)value; } }
/// <summary>Gets the bits per pixel for the Green channel.</summary>
public int Green { get { return green; } private set { green = (byte)value; } }
/// <summary>Gets the bits per pixel for the Blue channel.</summary>
public int Blue { get { return blue; } private set { blue = (byte)value; } }
/// <summary>Gets the bits per pixel for the Alpha channel.</summary>
public int Alpha { get { return alpha; } private set { alpha = (byte)value; } }
/// <summary>Gets a System.Boolean indicating whether this ColorMode is indexed.</summary>
public bool IsIndexed { get { return isIndexed; } private set { isIndexed = value; } }
/// <summary>Gets the sum of Red, Green, Blue and Alpha bits per pixel.</summary>
public int BitsPerPixel { get { return bitsPerPixel; } private set { bitsPerPixel = value; } }
#endregion
#region --- Overrides ---
public override bool Equals(object obj)
{
return (obj is ColorMode) ? (this == (ColorMode)obj) : false;
@ -90,5 +141,7 @@ namespace OpenTK
{
return string.Format("{0} ({1})", BitsPerPixel, (IsIndexed ? " indexed" : Red.ToString() + Green.ToString() + Blue.ToString() + Alpha.ToString()));
}
#endregion
}
}