XV 3.10a review

by rbytes.net on

xv is an interactive image manipulation program for the X Window System

License: GPL (GNU General Public License)
File size: 2206K
Developer: John Bradley
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xv is an interactive image manipulation program for the X Window System. It can operate on images in the GIF, JPEG, TIFF, PBM, PGM, PPM, XPM, X11 bitmap, Sun Rasterfile, Targa, RLE, RGB, BMP, PCX, FITS, and PM formats on all known types of X displays.

It can generate PostScript files, and if you have ghostscript (version 2.6 or above) installed on your machine, it can also display them.

Here are some key features of "XV":
display an image in a window on the screen
display an image on the root window, in a variety of styles
grab any rectangular portion of the screen and turn it into an image
arbitrarily stretch, compress, rotate or flip the image
crop or pad images
view files as ASCII text or hexadecimal data
magnify any portion of the image by any amount, up to the size of the screen
determine pixel values and x,y coordinates in the image
adjust image brightness and contrast with a gamma correction function
apply different gamma functions to the Red, Green, and Blue color components, to correct for non-linear color response
adjust global image saturation
perform global hue remapping
perform histogram equalization
run a number of image-processing algorithms on any rectangular portion of the image
edit an image's colormap
reduce the number of colors in an image
dither in color and b/w
crop off solid borders automatically
convert image formats

XV 3.10a keywords