To use these functions, the Image Feature is required.

Fill(Image, Number)

 Fills the image with the given color

SELECT fill(image, 0.5) FROM Stream

Inverse(Image)

Inverts the pixel values of the given image

SELECT inverse(image) FROM Stream

Get(Image, Number, Number)

Return the value of the pixel at the given location

SELECT get(image, 100, 100) FROM Stream

Set(Image, Number, Number, Number)

Set the pixel at the given location to the given value

SELECT set(image, 100, 100, 0.5) FROM Stream

Rotate(Image, Number)

Rotates the image at the given angle in degree.

SELECT rotate(image, 90.0) FROM Stream

Resize(Image, Number, Number)

Resize the image to the given width and height

SELECT resize(image, 500, 500) FROM Stream

Sub(Image, Number, Number, Number, Number)

Returns a sub image at the given location and the given width and height.

SELECT sub(image, 5, 5, 200, 200) FROM Stream

ToImage(Number, Number)

Creates a new image with the given width and height

SELECT toImage(500, 500) FROM Stream