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authorNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
committerNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
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+XWPICK - X Windows Image Pick up Utility.
+
+
+GENERAL INFO
+============
+
+Xwpick lets you pick an image from an arbitrary window or rectangular
+area of an X11-server and write it to a file in a variety of formats.
+
+Why xwpick?
+
+ o Xwpick is convenient in use. The onmipresent blinking rectangle
+ surrounding the area to be picked and involment of the keyboard
+ input in addition to the mouse help to get rid of numerous parameters,
+ nevertheless satisfying in quite a natural way the most common needs
+ of users, namely, picking an image from a selected window or from
+ an arbitrary rectangular area and a possibility to change the
+ selected image just before outputing to a file.
+
+ Xwpick also allows to pick images from pop-up menus, which are on the
+ screen only when the mouse button is pressed and disappear immediately
+ after the button is released.
+
+ o Xwpick can output images in various formats: different PostScripts,
+ GIF, PCX (IBM PC), PICT (Macintosh), PPM (PBM Plus).
+
+ o Xwpick runs not only on UNIX platforms, but on OpenVMS (VAX/Alpha)
+ as well.
+
+ o Xwpick uses the Lempel-Ziv Welch (LZW) compression algorithm for
+ image encoding in PostScript, thus producing very compact files:
+ 3-5 time less than files produced with Run Length Encoding (RLE) and
+ 10-30 times less than files produced without compression.
+
+ PostScipt files produced by XWPICK automatically understand on what
+ kind of printer they are being output. On level 2 PostScript printers
+ the native LZW/ASCII85 decoding filters will be invoked, while on
+ level 1 printers the inline decompression code is executed. Rendering
+ time on level 2 printers is pretty fast (usually less than 1 minute),
+ on level 1 printers the image rendering, of cause, is much slower, but
+ nevertheless essentially faster than for Run Length Encoded PostScript
+ images.
+
+
+LIMITATION
+==========
+
+Xwpick does not work on 24-bit DirectColor/TrueColor devices.
+
+
+AUTHOR
+======
+
+Evgeni Chernyaev
+chernaev@mx.ihep.su
+
+
+
+