resize

0th

Percentile

Resize an image

This does not change size of the image in pixels, nor does it affect appearance -- it is lossless compression. This requires GraphicsMagick (recommended) or ImageMagick to be installed.

Usage
resize(filename, geometry)
Arguments
filename

Character vector containing the path of images to resize.

geometry

Scaling specification. Can be a percent, as in "50%", or pixel dimensions like "120x120", "120x", or "x120". Any valid ImageMagick geometry specifation can be used. If filename contains multiple images, this can be a vector to specify distinct sizes for each image.

Aliases
  • resize
Examples
if (interactive()) {
  # Can be chained with webshot() or appshot()
  webshot("https://www.r-project.org/", "r-small-1.png") %>%
    resize("75%")

  # Generate image that is 400 pixels wide
  webshot("https://www.r-project.org/", "r-small-2.png") %>%
    resize("400x")
}
Documentation reproduced from package webshot, version 0.4.1, License: GPL-2

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