Grow an image by adding padding — image_grow • scimesh

Expands the canvas by adding pixel rows/columns filled with a background colour.

Usage

image_grow(image, top, bottom, left, right, background)

Arguments

image: An image list.
top: Number of pixel rows to add above.
bottom: Number of pixel rows to add below.
left: Number of pixel columns to add to the left.
right: Number of pixel columns to add to the right.
background: Numeric vector of length 4 with RGBA values in [0, 1].

Value

A new image list with the expanded dimensions.

Examples

cube <- generate_cuboid(c(0, 0, 0), c(1, 1, 1))
img <- render_mesh(cube$vertices, cube$triangles)
img <- image_grow(img, 10, 10, 20, 20, c(1, 1, 1, 1))