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Diffstat (limited to 'libXmu/src/StrToBmap.c')
| -rw-r--r-- | libXmu/src/StrToBmap.c | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/libXmu/src/StrToBmap.c b/libXmu/src/StrToBmap.c new file mode 100644 index 000000000..f46a99a1a --- /dev/null +++ b/libXmu/src/StrToBmap.c @@ -0,0 +1,150 @@ +/* $Xorg: StrToBmap.c,v 1.4 2001/02/09 02:03:53 xorgcvs Exp $ */ + +/* + +Copyright 1987, 1988, 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, 1988 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. + +******************************************************************/ +/* $XFree86: xc/lib/Xmu/StrToBmap.c,v 1.5 2001/01/17 19:42:57 dawes Exp $ */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <X11/Intrinsic.h> +#include <X11/StringDefs.h> +#include <X11/Xmu/Converters.h> +#include <X11/Xmu/Drawing.h> + + +/* + * XmuConvertStringToBitmap: + * + * creates a depth-1 Pixmap suitable for window manager icons. + * "string" represents a bitmap(1) filename which may be absolute, + * or relative to the global resource bitmapFilePath, class + * BitmapFilePath. If the resource is not defined, the default + * value is the build symbol BITMAPDIR. + * + * shares lots of code with XmuConvertStringToCursor. + * + * To use, include the following in your ClassInitialize procedure: + +static XtConvertArgRec screenConvertArg[] = { + {XtBaseOffset, (XtPointer) XtOffset(Widget, core.screen), sizeof(Screen *)} +}; + + XtAddConverter("String", "Bitmap", XmuCvtStringToBitmap, + screenConvertArg, XtNumber(screenConvertArg)); + * + */ + +#define done(address, type) \ + { (*toVal).size = sizeof(type); (*toVal).addr = (XPointer) address; } + + +/*ARGSUSED*/ +void +XmuCvtStringToBitmap(XrmValuePtr args, Cardinal *num_args, + XrmValuePtr fromVal, XrmValuePtr toVal) +{ + static Pixmap pixmap; /* static for cvt magic */ + char *name = (char *)fromVal->addr; + Screen *screen; + Display *dpy; + XrmDatabase db; + String fn; + unsigned int width, height; + int xhot, yhot; + unsigned char *data; + + if (*num_args != 1) + XtErrorMsg("wrongParameters","cvtStringToBitmap","XtToolkitError", + "String to pixmap conversion needs screen argument", + (String *)NULL, (Cardinal *)NULL); + + if (strcmp(name, "None") == 0) { + pixmap = None; + done(&pixmap, Pixmap); + return; + } + + if (strcmp(name, "ParentRelative") == 0) { + pixmap = ParentRelative; + done(&pixmap, Pixmap); + return; + } + + screen = *((Screen **) args[0].addr); + pixmap = XmuLocateBitmapFile (screen, name, + NULL, 0, NULL, NULL, NULL, NULL); + if (pixmap == None) { + dpy = DisplayOfScreen(screen); + db = XrmGetDatabase(dpy); + XrmSetDatabase(dpy, XtScreenDatabase(screen)); + fn = XtResolvePathname(dpy, "bitmaps", name, "", NULL, NULL, 0, NULL); + if (!fn) + fn = XtResolvePathname(dpy, "", name, ".xbm", NULL, NULL, 0, NULL); + XrmSetDatabase(dpy, db); + if (fn && + XmuReadBitmapDataFromFile (fn, &width, &height, &data, + &xhot, &yhot) == BitmapSuccess) { + pixmap = XCreatePixmapFromBitmapData (dpy, + RootWindowOfScreen(screen), + (char *) data, width, height, + 1, 0, 1); + XFree ((char *)data); + } + } + + if (pixmap != None) { + done (&pixmap, Pixmap); + } else { + XtStringConversionWarning (name, "Pixmap"); + return; + } +} + |