Image

Functions for creating image objects.

image.TYPE_LUMINANCE

luminance image type

image.TYPE_RGB

RGB image type

image.TYPE_RGBA

RGBA image type

image.load()

load image from buffer

Load image (PNG or JPEG) from buffer.

PARAMETERS

buffer -

string image data buffer

[premult] -

boolean optional flag if alpha should be premultiplied. Defaults to false

RETURN

image -

table object or nil if loading fails. The object is a table with the following fields:

number width: image width
number height: image height
constant type: image type
- image.TYPE_RGB
- image.TYPE_RGBA
- image.TYPE_LUMINANCE
string buffer: the raw image data

EXAMPLES

How to load an image from an URL and create a GUI texture from it:

local imgurl = "http://www.site.com/image.png"
http.request(imgurl, "GET", function(self, id, response)
        local img = image.load(response.response)
        local tx = gui.new_texture("image_node", img.width, img.height, img.type, img.buffer)
    end)