read_webp {webp} | R Documentation |
Read and write webp images into a bitmap array. The bitmap array uses the same
conventions as the png
and jpeg
package.
read_webp(source, numeric = TRUE) write_webp(image, target = NULL, quality = 80)
source |
raw vector or path to webp file |
numeric |
convert the image to 0-1 real numbers to be compatible with images from the jpeg or png package. |
image |
array of 3 dimensions (width * height * channel) with real numbers between 0 and 1. |
target |
path to a file or |
quality |
value between 0 and 100 |
# Convert to webp library(png) img <- readPNG(system.file("img", "Rlogo.png", package="png")) write_webp(img, "rlogo.webp") browseURL("rlogo.webp") rm(img) # Convert from webp library(jpeg) img <- read_webp("rlogo.webp") writeJPEG(img, "rlogo.jpeg") browseURL("rlogo.jpeg")