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Diffstat (limited to 'libX11/src/GetStCmap.c')
| -rw-r--r-- | libX11/src/GetStCmap.c | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/libX11/src/GetStCmap.c b/libX11/src/GetStCmap.c new file mode 100644 index 000000000..0c05cbbf2 --- /dev/null +++ b/libX11/src/GetStCmap.c @@ -0,0 +1,118 @@ +/* $Xorg: GetStCmap.c,v 1.4 2001/02/09 02:03:33 xorgcvs Exp $ */ + +/*********************************************************** + +Copyright 1987, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +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 +OPEN GROUP 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 Open Group 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 Open Group. + + +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_CONFIG_H +#include <config.h> +#endif +#include <X11/Xlibint.h> +#include <X11/Xutil.h> +#include "Xatomtype.h" +#include <X11/Xatom.h> + +/* + * WARNING + * + * This is a pre-ICCCM routine. It must not reference any of the new fields + * in the XStandardColormap structure. + */ + +Status XGetStandardColormap ( + Display *dpy, + Window w, + XStandardColormap *cmap, + Atom property) /* XA_RGB_BEST_MAP, etc. */ +{ + Status stat; /* return value */ + XStandardColormap *stdcmaps; /* will get malloced value */ + int nstdcmaps; /* count of above */ + + stat = XGetRGBColormaps (dpy, w, &stdcmaps, &nstdcmaps, property); + if (stat) { + XStandardColormap *use; + + if (nstdcmaps > 1) { + VisualID vid; + Screen *sp = _XScreenOfWindow (dpy, w); + int i; + + if (!sp) { + if (stdcmaps) Xfree ((char *) stdcmaps); + return False; + } + vid = sp->root_visual->visualid; + + for (i = 0; i < nstdcmaps; i++) { + if (stdcmaps[i].visualid == vid) break; + } + + if (i == nstdcmaps) { /* not found */ + Xfree ((char *) stdcmaps); + return False; + } + use = &stdcmaps[i]; + } else { + use = stdcmaps; + } + + /* + * assign only those fields which were in the pre-ICCCM version + */ + cmap->colormap = use->colormap; + cmap->red_max = use->red_max; + cmap->red_mult = use->red_mult; + cmap->green_max = use->green_max; + cmap->green_mult = use->green_mult; + cmap->blue_max = use->blue_max; + cmap->blue_mult = use->blue_mult; + cmap->base_pixel = use->base_pixel; + + Xfree ((char *) stdcmaps); /* don't need alloced memory */ + } + return stat; +} |