draw_rect: Draw rectangle on image

In imager: Image Processing Library Based on 'CImg'

Draw rectangle on image

Description

Add a rectangle to an image. Like other native CImg drawing functions, this is meant to be basic but fast. Use implot for flexible drawing.

Usage

draw_rect(im, x0, y0, x1, y1, color = "white", opacity = 1, filled = TRUE)

Arguments

im	an image
x0	x coordinate of the bottom-left corner
y0	y coordinate of the bottom-left corner
x1	x coordinate of the top-right corner
y1	y coordinate of the top-right corner
color	either a vector, or a string (e.g. "blue")
opacity	0: transparent 1: opaque.
filled	fill rectangle (default TRUE)

Value

an image

Author(s)

Simon Barthelme

See Also

implot,draw_circle

Examples

draw_rect(boats,1,1,50,50,"darkgreen") %>% plot

imager documentation built on May 29, 2024, 1:38 a.m.