# Image

- invert_image [edit] v0.3
*Invert the colors of an image.* - lathe_shape [edit] v0.1
*Draw a lathed shape. The surface of the shape is determined by an equation y=f(x) which is applied for a certain range of x. The line y=f(x) is then rotated about the x axis to generate the shape.* - overlay_image [edit] v0.2
*Overlay a transparent image on top of another image.* - pixelate [edit] v0.2
*Pixelate an image.* - plot_3d_function [edit] v0.6
*Plot a function of two variables in 3d. Output a rendered graph.* - plot_function [edit] v0.2
*Plot a function and output a graph with a line on it.* - raise_polygon [edit] v0.1
*Project a flat polygon into three dimensions.* - random_name_caption [edit] v0.3
*Use a callback to print your name on an image repeatedly.* - rotate_image_alpha [edit] v0.3
*Rotate an image paying respect to transparency.* - rounded_rectangle [edit] v0.2
*Draw a rectangle with rounded corners.* - round_corners [edit] v0.2
*Round the corners of an image. Transparency and anti-aliasing are supported.* - scale_image [edit] v0.2
*Scale an image.* - simple_download [edit] v0.1
*Download a PNG image.* - skew_image [edit] v0.3
*Skew an image. The skew value should be between 0 and 1.* - snowflake_fractal [edit] v0.2
*Draw a Koch snowflake recursively.* - star_polygon [edit] v0.1
*Draw a regular star polygon.* - swirl_image [edit] v0.1
*Twist an image.* - unique_image [edit] v0.3
*Generate a pseudo-unique "hash" image based on a string.* - watermark_image [edit] v0.1
*Place a watermark on an image.*