Color

Object Hierarchy:

Cogl.Color Cogl.Color Cogl.Color

Description:

[ CCode ( has_type_id = false ) ]
public struct Color

A structure for holding a color definition.

The contents of the CoglColor structure are private and should never by accessed directly.


Namespace: Cogl
Package: cogl-1.0

Content:

Static methods:

  • public static bool equal (void* v1, void* v2)
    Compares two Colors and checks if they are the same.

Creation methods:

Methods:

  • public Color copy ()
    Creates a copy of this
  • public float get_alpha ()
    Retrieves the alpha channel of this as a fixed point value between 0 and 1.0.
  • public uint get_alpha_byte ()
    Retrieves the alpha channel of this as a byte value between 0 and 255
  • public float get_alpha_float ()
    Retrieves the alpha channel of this as a floating point value between 0.0 and 1.0
  • public float get_blue ()
    Retrieves the blue channel of this as a fixed point value between 0 and 1.0.
  • public uint get_blue_byte ()
    Retrieves the blue channel of this as a byte value between 0 and 255
  • public float get_blue_float ()
    Retrieves the blue channel of this as a floating point value between 0.0 and 1.0
  • public float get_green ()
    Retrieves the green channel of this as a fixed point value between 0 and 1.0.
  • public uint get_green_byte ()
    Retrieves the green channel of this as a byte value between 0 and 255
  • public float get_green_float ()
    Retrieves the green channel of this as a floating point value between 0.0 and 1.0
  • public float get_red ()
    Retrieves the red channel of this as a fixed point value between 0 and 1.0.
  • public uint get_red_byte ()
    Retrieves the red channel of this as a byte value between 0 and 255
  • public float get_red_float ()
    Retrieves the red channel of this as a floating point value between 0.0 and 1.0
  • public void init_from_4f (float red, float green, float blue, float alpha)
  • public void init_from_4fv (float color_array)
    Sets the values of the passed channels into a Color
  • public void init_from_4ub (uchar red, uchar green, uchar blue, uchar alpha)
  • public void premultiply ()
    Converts a non-premultiplied color to a pre-multiplied color.
  • public void set_alpha (float alpha)
    Sets the alpha channel of this to alpha.
  • public void set_alpha_byte (uint alpha)
    Sets the alpha channel of this to alpha.
  • public void set_alpha_float (float alpha)
    Sets the alpha channel of this to alpha.
  • public void set_blue (float blue)
    Sets the blue channel of this to blue.
  • public void set_blue_byte (uint blue)
    Sets the blue channel of this to blue.
  • public void set_blue_float (float blue)
    Sets the blue channel of this to blue.
  • public void set_from_4f (float red, float green, float blue, float alpha)
    Sets the values of the passed channels into a Color
  • public void set_from_4ub (uchar red, uchar green, uchar blue, uchar alpha)
    Sets the values of the passed channels into a Color .
  • public void set_green (float green)
    Sets the green channel of this to green.
  • public void set_green_byte (uint green)
    Sets the green channel of this to green.
  • public void set_green_float (float green)
    Sets the green channel of this to green.
  • public void set_red (float red)
    Sets the red channel of this to red .
  • public void set_red_byte (uint red)
    Sets the red channel of this to red .
  • public void set_red_float (float red)
    Sets the red channel of this to red .
  • public void unpremultiply ()
    Converts a pre-multiplied color to a non-premultiplied color.

Fields: