xjig(1) General Commands Manual xjig(1) 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-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 de- sired 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 an- other 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 di- rectly 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 mid- dle+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. -h y Select number of tiles in vertical direction respectively. -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 por- trait 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 exten- sion, it might crash when started to display on a remote ma- chine or X-terminal. You can deselect the usage of the exten- sion 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 functional- ity: 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 usu- ally 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 Pseudo- Color-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 pur- pose 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 X Version 11 July-23-1996 xjig(1)
NAME | SYNOPSIS | DESCRIPTION | SPECIAL EFFECTS | CONTROLS | OPTIONS | ZOOMING & PANNING | Color Allocation | SEE ALSO | COPYRIGHT
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