PixelColor

• rgba (r, g, b, a) Converts R, G, B, A values into a single 32-bit RGBA color.

  • Argument: r red, 0-255. Defaults to 0
  • Argument: g green, 0-255. Defaults to 0
  • Argument: b blue, 0-255. Defaults to 0
  • Argument: a alpha (opacity), 0-255. Defaults to 255
  • Returns: A 32-bit color in 8888 RGBA format.

• rgbaR (color) Extracts the red channel from a 32-bit color

  • Argument: color A 32-bit color in 8888 RGBA format
  • Returns: The red component of the color

• rgbaG (color) Extracts the green channel from a 32-bit color

  • Argument: color A 32-bit color in 8888 RGBA format
  • Returns: The green component of the color

• rgbaB (color) Extracts the blue channel from a 32-bit color

  • Argument: color A 32-bit color in 8888 RGBA format
  • Returns: The blue component of the color

• rgbaA (color) Extracts the alpha channel from a 32-bit color

  • Argument: color A 32-bit color in 8888 RGBA format
  • Returns: The alpha component of the color

• graya (gray, alpha)

  • Argument: gray The luminance of color (defaults to 0)
  • Argument: alpha The alpha (opacity) of the color (defaults to 255)
  • Returns: The color with the given luminance/opacity

• grayaV (color) Extracts the luminance from a 32-bit color

  • Argument: color A 32-bit color in 888 RGBA format
  • Returns: The luminance Value of the color

• grayaA (color) Extracts the alpha (opacity) from a 32-bit color

  • Argument: color A 32-bit color in 888 RGBA format
  • Returns: The alpha component of the color