R: Take Screenshots (Screen Capture) from R Command

# Take Screenshots (Screen Capture) from R Command

## Documentation for package ‘screenshot’ version 0.9.2

- DESCRIPTION file
- Package NEWS
- Package README

## Help Pages

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