Package: screenshot 0.9.1

screenshot: Take Screenshots (Screen Capture) from R Command

Take screenshots from R command and locate an image position.

Authors:Toshikazu Matsumura [aut, cre]

# Install 'screenshot' in R:

install.packages('screenshot', repos = c('https://matutosi.r-universe.dev', 'https://cloud.r-project.org'))

Datasets:

On CRAN:

Last updated 9 months agofrom:c8986aaa3f. Checks:5 OK, 2 NOTE. Indexed: yes.

Help page	Topics
Converts a bitmap image to PNG using	bitmap2png
Sample data of clipboard bitmap array	clipboard_sample
Save clipboard image to temporary BMP file	clipboard2bitmap
Compare values within tow arrays or matrices. Helper function for 'locate_ndl_in_hay()'.	compare_table
Helper function for 'compare_table()'.	count_val_freq
Create a BMP header	create_header
Get display corner of screen	display_corner
Get the size of the display.	display_size
Retrieves the image from the clipboard	get_clipboard_image
Get OS name	get_os
Cut off a part of image from a whole image.	hay2needle
Convert hexadecimal string to little-endian	hex2little_endian
Convert cimg class into grayscale xy matrix. Helper function for 'locate_image()'. Use grayscale to Speed up and to simplify code.	image2gray_matrix
Convert array index into xy location in matrix. Helper function for 'locate_ndl_in_hay()'.	index2xy
Install command line screenshot for Windows.	install_screenshot
Helper function for 'locate_ndl_in_hay()'.	is_all_same
Locate needle image position on a screenshot image.	locate_image
Locate needle image matrix position in a haystack_image matrix. Helper function for 'locate_image()'.	locate_ndl_in_hay
Save an image as a BMP file	save_bmp
Saves an image from the clipboard to a file	save_clipboard_image
Take a screenshot.	screenshot
Find screenshot exec file.	screenshot_exists
Get xy position of a value in a matrix Helper function for 'locate_ndl_in_hay()'.	xy_pos