133 lines
2.8 KiB
C
133 lines
2.8 KiB
C
/*
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* Copyright © 2004 David Reveman
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*
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* Permission to use, copy, modify, distribute, and sell this software
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* and its documentation for any purpose is hereby granted without
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* fee, provided that the above copyright notice appear in all copies
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* and that both that copyright notice and this permission notice
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* appear in supporting documentation, and that the names of
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* David Reveman not be used in advertising or publicity pertaining to
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* distribution of the software without specific, written prior permission.
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* David Reveman makes no representations about the suitability of this
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* software for any purpose. It is provided "as is" without express or
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* implied warranty.
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*
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* DAVID REVEMAN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
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* NO EVENT SHALL DAVID REVEMAN BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
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* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
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* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
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* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* Author: David Reveman <davidr@freedesktop.org>
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*/
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#include "xgl.h"
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char *
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xglParseFindNext (char *cur,
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char *delim,
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char *save,
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char *last)
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{
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while (*cur && !strchr (delim, *cur))
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*save++ = *cur++;
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*save = 0;
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*last = *cur;
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if (*cur)
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cur++;
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return cur;
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}
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void
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xglParseScreen (xglScreenInfoPtr pScreenInfo,
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char *arg)
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{
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char delim;
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char save[1024];
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int i, pixels, mm;
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pScreenInfo->width = 0;
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pScreenInfo->height = 0;
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pScreenInfo->widthMm = 0;
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pScreenInfo->heightMm = 0;
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if (!arg)
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return;
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if (strlen (arg) >= sizeof (save))
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return;
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for (i = 0; i < 2; i++)
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{
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arg = xglParseFindNext (arg, "x/@XY", save, &delim);
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if (!save[0])
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return;
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pixels = atoi (save);
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mm = 0;
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if (delim == '/')
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{
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arg = xglParseFindNext (arg, "x@XY", save, &delim);
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if (!save[0])
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return;
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mm = atoi (save);
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}
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if (i == 0)
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{
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pScreenInfo->width = pixels;
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pScreenInfo->widthMm = mm;
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}
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else
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{
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pScreenInfo->height = pixels;
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pScreenInfo->heightMm = mm;
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}
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if (delim != 'x')
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return;
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}
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}
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void
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xglUseMsg (void)
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{
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ErrorF ("-screen WIDTH[/WIDTHMM]xHEIGHT[/HEIGHTMM] "
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"Specify screen characteristics\n");
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ErrorF ("-fullscreen Run fullscreen\n");
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}
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int
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xglProcessArgument (xglScreenInfoPtr pScreenInfo,
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int argc,
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char **argv,
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int i)
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{
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if (!strcmp (argv[i], "-screen"))
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{
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if ((i + 1) < argc)
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{
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xglParseScreen (pScreenInfo, argv[i + 1]);
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}
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else
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return 1;
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return 2;
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}
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if (!strcmp (argv[i], "-fullscreen"))
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{
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pScreenInfo->fullscreen = TRUE;
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return 1;
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}
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return 0;
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}
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