Provided by: xjig_2.4-14build1_amd64 
NAME
xjig - the jigsaw puzzle
SYNOPSIS
xjig <options>
DESCRIPTION
XJig is a puzzle, that tries to replicate a jigsaw puzzle on the screen as close as
possible. As in every jigsaw puzzle, the goal is to set all the pieces together. If you
like, you can watch the time that you spent for it.
Any image-file in GIF, JPEG, or PPM format can be used as the source for the puzzle, which
is then randomly created regarding the sizes selected by the options.
The control should be as intuitive as possible in the way that you will usually pull the
freely rotatable pieces at one edge, drag them to the desired destination and drop them so
they will snap together easily when close to an neighboured tile.
SPECIAL EFFECTS
Tiles are freely formed and rotatable with texture mapping routines to give the appearance
of a real mess on the screen.
Tiles snap together very easy if they are dropped somewhere close to another matching
tile, when turned in the correct direction.
Puzzles can be doubled sided so you might have to flip the tiles to the correct side to
let them snap together.
If the Xserver supports the Shape-Extension, the tiles can be opened directly on the
desktop, which is a pretty showcase, but you need a very fast machine for really getting
this playable. (Any ideas on how to add double buffering to the shaped-window approach of
the jigsaw are warmly welcome!)
CONTROLS
The usual way to move the pieces on the screen should be to drag the piece with the left
mouse button to their destination by pulling them at on edge. The piece will
automatically rotate like if you pull or push them with your fingertip on a table.
In addition, the following movements are possible:
click left: rotate 90 degrees left
click right: rotate 90 degrees right
click middle: flip tile to backside
drag left: rotator drag (as mentionned above)
+middle: pause rotator drag for a straight drag
drag middle: straight drag
+left: pause drag for a static rotation
+click left: rotate 90 degrees left during drag
+click right: rotate 90 degrees right during drag
CTRL+click left: same as click middle
The right button has actually the same functionality as the middle button so that 2 button
systems shouldn't have problems. Only the "drag middle+click right" move will not work in
that mode, and the flipping has to be done with the help of the CTRL-key.
OPTIONS
Tile Selection
-file name use the specified file as the source image for the puzzle
-side p select the side of the image to be on top, if you don't like the mess with the
double sided tiles.
Size Selection
-w x Select number of tiles in horizontal direction. The Images are automatically
rotated in portrait orientation before they are sliced. Therefore x usually
should be smaller than y of the next option. The default is four.
-h y Select number of tiles in vertical direction respectively. The default is six.
-ts n Select average tile width. Instead of explicitly specifying the number of
tiles by using the previous options -w and -h, the average tile width in
pixels can be selected and the values for x and y above are computed according
to to the selected size.
Image Options
-ww x Select width of image in pixels. This can be used to scale the image before
playing for the case that a very large image is the source.
-wh h Select height of image in pixels. If only one of -ww and -wh, the aspect ratio
is kept constant.
-no_crop The image is usually automatically cropped, since many images are surrounded
by frames or textual comments. The cropping stops at a reasonable amount of
colors per line or row. If this is not desired of if you want to puzzle with
painted images with few color, you should disable this feature.
-no_flip Before tiling takes place, a landscape image is rotated to portrait mode,
which effects successive options like -w or -ww. If this is not desired, you
can switch this feature off.
X-Window options
-display name
Select the display to connect to.
-shapes If the SHAPE-extension is supported by your display, you can use this option
to let each puzzle tile appear in its own shaped window. The results might
depend on the behaviour of the window-manager. The manager is actually advised
by the override redirect attribute flag of the puzzle shapes not to do
anything with them. But who knows ...
-no_shm When the program was build with support of the MIT-SHM extension, it might
crash when started to display on a remote machine or X-terminal. You can
deselect the usage of the extension with this option.
Miscellaneous
-no_anim Turns off animation of rotation and flipping, for the case the machine isn't
fast enough to make it look nice.
ZOOMING & PANNING
For not losing tiles at the window border and for getting more workspace, the game has
some zooming and panning features to control the view on your desk. They are controlled
via the keyboard with the following functionality:
Cursor Keys: Pan View
Page-Up or Add: Zoom in
Page-Down or Sub: Zoom out
Home: Reset to original size
End: Set maximum zooming to view all tiles
The image quality usually suffers from zooming, since gif-images are usually dithered to
be viewed best in their original size. This also applies to the size options -ww and -wh.
Color Allocation
The program was tested on PseudoColor- and TrueColor-displays. On PseudoColor-displays
the program might run out of colors, since colors are very limited and it has to share its
colors with other clients. It tries to share similar colors with other clients. But if
too may color consuming clients are running, the image-quality will suffer. You should
stop other clients in that case or you might quantize the image to a fewer number of
colors with packages like ImageMagick, xv or netpbm.
SEE ALSO
X(1), convert(1), xv(1), ppmquant(1)
COPYRIGHT
Copyright 1996, Helmut Hoenig, Heiligenhaus
email (for any comments):
Helmut.Hoenig@hub.de
smail (for gifts):
Helmut Hoenig
Hopfenstrasse 8a
65520 Bad Camberg
GERMANY
********************************************************
By the way, I am collecting banknotes! If you want
to join into my collection, get any bill of your
country, sign it on the backside and send it to me
so I will pin it on my world map.
(Don't forget the exact location for the pin :-)
But you can also just send me a picture postcard ...
********************************************************
Permission to use, copy, modify, and distribute this software for any purpose and without
fee is hereby granted, provided that the above copyright notice appear in all copies.
other fancy things from the author
xcol (1990) - color selector for editing text-files
flying (94/95) - pool billard simulation
xdefmap (1995) - enhanced tool for setting up standard colormaps
xmemory (95/96)- memory with simultaneous multiplayer action
available at ftp.x.org and its mirrors