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diff --git a/giflib-4.1.6/doc/gif2bgi.html b/giflib-4.1.6/doc/gif2bgi.html deleted file mode 100644 index 7640cbf..0000000 --- a/giflib-4.1.6/doc/gif2bgi.html +++ /dev/null @@ -1,136 +0,0 @@ -<!doctype HTML public "-//W3O//DTD W3 HTML 2.0//EN"> -<HTML> -<HEAD> -<TITLE>gif2bgi</TITLE> -<link rev=made href=mailto:esr@snark.thyrsus.com> -</HEAD> -<BODY> -Go to <a href="index.html">index page</a>. - -<CENTER><H1>gif2bgi</H1></CENTER> - -A program to display images saved as GIF files on IBM PC display devices using -the BGI (Borland) driver interface.<P> - -The program operates as follows:<P> - -<OL> -<LI> -Reads the GIF file header and determines the image size.<P> - -<LI> -Dynamically allocates enough memory to hold all the image internally. -One byte per pixel is always allocated, so a little bit more than -width*height (of screen, not image) bytes are required.<P> - -<LI> -Reads all the image in. Interlaced images are read in correctly, although -they are displayed sequentially.<P> - -<LI> -Display first image using the defaults as set by the command line option.<P> - -<LI> -Goes to interactive mode. For a full description of the interactive mode -see below.<P> -</OL> - -<H1>Usage:</H1> - -<pre> -gif2bgi [-q] [-d BGI dir] [-u driver] [-z zoom] [-b] [-h] gif-file -</pre> - -If no GIF is given, gif2bgi will try to read a GIF file from stdin.<P> - -<H1>Memory required:</H1> - -Screen. - -<H1>Options:</H1> -<DL> -<DT> [-q] -<DD> Quiet mode. Default off on MSDOS, on under UNIX. Controls printout - of running scan lines. Use -q- to invert.<P> - -<DT> [-d BGI Directory] -<DD> Where we should look for default drivers (as supplied by Borland). - For example '-d c:/tc/bgi'.<P> - -<DT> [-u driver] -<DD> Specifies a user-defined BGI driver. If for example - you have a BGI driver for your special vga called MYVGA.BGI and you want - to run it in mode 2, then type '-u c:/tc/bgi/myvga.2'. Note the absolute - path to the driver must be specified. Also note that we use '/' and not - '\' so they won't be treated as options.<P> - -<DT> [-z zoom] -<DD> Sets zoom factor of the view. Zoom factor should be - power of 2 up to 256. Default is 1 (no zoom).<P> - -<DT> [-h] -<DD> Print one line of command-line help, similar to Usage above.<P> -</DL> - -<H1>Interactive mode:</H1> - -Once the image is displayed, the gif2bgi program goes into interactive mode -which recognizes the following commands:<P> - -<DL> -<DT> C - get Color and position -<DD> In this submenu, a cursor appears and the location and color of the - pixel underneath it are printed. The 4 arrows may be used (shifted for - faster movement) to move the cursor. Any other key will abort this submode.<P> - -<DT> D - zoom Down -<DD> Zoom down by factor of 2 unless current zoom factor is 1.<P> - -<DT> R - Redraw -<DD> Redraw the image.<P> - -<DT> S - print Status -<DD> Print status of image and program.<P> - -<DT> U - zoom Up -<DD> Zoom up by factor of 2 unless current zoom factor is 256.<P> - -<DT> arrow keys -<DD> The 4 arrow keys can be used to pan in the desired direction, if the image - overflows in that direction. If the image fits into the screen, arrow - keys are ignored. The panning steps are 1/2 screen if not on image end.<P> - -<DT> SPC - abort -<DD> Space bar may be used to abort current image drawing.<P> - -<DT> ESC - abort -<DD> Escape may be used to abort current image drawing. -</DL> - - -<H1>Notes:</H1> - -This program is useless in a Unix environment and is not normally -built there.<P> - -No color quantization is used in this program; thus, if a GIF image has more -colors than the BGI driver support, this program will abort.<P> - -This driver is optimized for drivers with one byte per pixel (256 colors) -and will run MUCH faster on such drivers.<P> - -<H1>Bugs:</H1> - -For some reason I could not figure out, on my ATI wonder card, int 10h call -10h (AH = AL = 10h) to set the color registers sometimes result with wrong -colors. Direct access of the card registers gives correct results.<P> - -<H1>Author:</H1> - -Gershon Elber - -<HR> -<ADDRESS>Eric S. Raymond <A HREF="mailto:esr@thyrsus.com"><esr@snark.thyrsus.com></A></ADDRESS> -</BODY> -</HTML> - |