Class: GLFW::Image

Inherits:

Object

• Object
• GLFW::Image

Defined in:

lib/glfw/stubs/image.rb

Overview

Object describing a raw image with uncompressed pixel data, with 32-bytes per pixel in RGBA byte order.

This class may also be used for creating textures with OpenGL, simply use GL_RGBA as the pixel format and pass the value of the #pixels method.

Instance Attribute Summary

• #height ⇒ Integer (also: #rows) readonly

  The height of the image, in pixel units.

• #width ⇒ Integer (also: #columns) readonly

  The width of the image, in pixel units.

Instance Method Summary

• #initialize(width, height, pixels) ⇒ Image constructor

  A new instance of Image.

• #pixels ⇒ String (also: #to_blob)

  Gets the pixel data as a binary blob.

Constructor Details

#initialize(width, height, pixels = nil) ⇒ Image #initialize(filename) ⇒ Image

Returns a new instance of Image.

# File 'lib/glfw/stubs/image.rb', line 24

def initialize(width, height, pixels)
end

Instance Attribute Details

#height ⇒ Integer (readonly) Also known as: rows

Returns the height of the image, in pixel units.

Returns:

• (Integer) —

  the height of the image, in pixel units.

# File 'lib/glfw/stubs/image.rb', line 17

def height
  @height
end

#width ⇒ Integer (readonly) Also known as: columns

Returns the width of the image, in pixel units.

Returns:

• (Integer) —

  the width of the image, in pixel units.

# File 'lib/glfw/stubs/image.rb', line 13

def width
  @width
end

Instance Method Details

#pixels ⇒ String Also known as: to_blob

Gets the pixel data as a binary blob.

Returns:

• (String) —

  the pixel data.

# File 'lib/glfw/stubs/image.rb', line 31

def pixels
end