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Diffstat (limited to 'xorg-server/afb/afbmisc.c')
-rw-r--r-- | xorg-server/afb/afbmisc.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/xorg-server/afb/afbmisc.c b/xorg-server/afb/afbmisc.c new file mode 100644 index 000000000..8e9c9e8e9 --- /dev/null +++ b/xorg-server/afb/afbmisc.c @@ -0,0 +1,94 @@ +/*********************************************************** + +Copyright (c) 1987 X Consortium + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of the X Consortium shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from the X Consortium. + + +Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, +provided that the above copyright notice appear in all copies and that +both that copyright notice and this permission notice appear in +supporting documentation, and that the name of Digital not be +used in advertising or publicity pertaining to distribution of the +software without specific, written prior permission. + +DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR +ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, +WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, +ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS +SOFTWARE. + +******************************************************************/ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <X11/X.h> +#include "misc.h" +#include "cursor.h" +#include "scrnintstr.h" + +#include "afb.h" + +/*ARGSUSED*/ +void +afbQueryBestSize(class, pwidth, pheight, pScreen) +int class; +unsigned short *pwidth; +unsigned short *pheight; +ScreenPtr pScreen; +{ + unsigned width, test; + + switch(class) { + case CursorShape: + if (*pwidth > pScreen->width) + *pwidth = pScreen->width; + if (*pheight > pScreen->height) + *pheight = pScreen->height; + break; + case TileShape: + case StippleShape: + width = *pwidth; + if (!width) break; + /* Return the closes power of two not less than what they gave me */ + test = 0x80000000; + /* Find the highest 1 bit in the width given */ + while(!(test & width)) + test >>= 1; + /* If their number is greater than that, bump up to the next + * power of two */ + if((test - 1) & width) + test <<= 1; + *pwidth = test; + /* We don't care what height they use */ + break; + } +} |