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authormarha <marha@users.sourceforge.net>2009-11-06 11:37:48 +0000
committermarha <marha@users.sourceforge.net>2009-11-06 11:37:48 +0000
commitdc973fac7166624dc3aca9b32df02cc00e79ba85 (patch)
tree186af3c9707ed71a82a5502fc7b5bfae739361a6 /libXmu/src/LocBitmap.c
parent3c406cef48ab3d9ae6cb490348c41c89638a1367 (diff)
parent5c97ea64d7046d0a9d654950946a0070ac1e355a (diff)
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Added libXmu
Diffstat (limited to 'libXmu/src/LocBitmap.c')
-rw-r--r--libXmu/src/LocBitmap.c272
1 files changed, 272 insertions, 0 deletions
diff --git a/libXmu/src/LocBitmap.c b/libXmu/src/LocBitmap.c
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+/* $Xorg: LocBitmap.c,v 1.7 2001/02/09 02:03:52 xorgcvs Exp $ */
+
+/*
+
+Copyright 1989, 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.
+
+*/
+/* $XFree86: xc/lib/Xmu/LocBitmap.c,v 3.9 2001/12/14 19:55:47 dawes Exp $ */
+
+/*
+ * Author: Jim Fulton, MIT X Consortium
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <X11/Xlib.h>
+#include <stdlib.h>
+#include <string.h>
+#include <X11/Xresource.h>
+#include <X11/Xutil.h>
+#include <X11/Xmu/CvtCache.h>
+#include <X11/Xmu/Drawing.h>
+#include <X11/Xmu/SysUtil.h>
+
+#ifndef X_NOT_POSIX
+#ifdef _POSIX_SOURCE
+#include <limits.h>
+#else
+#define _POSIX_SOURCE
+#include <limits.h>
+#undef _POSIX_SOURCE
+#endif
+#endif /* X_NOT_POSIX */
+#ifndef PATH_MAX
+#ifdef WIN32
+#define PATH_MAX 512
+#else
+#include <sys/param.h>
+#endif
+#ifndef PATH_MAX
+#ifdef MAXPATHLEN
+#define PATH_MAX MAXPATHLEN
+#else
+#define PATH_MAX 1024
+#endif
+#endif
+#endif /* PATH_MAX */
+
+/*
+ * Prototypes
+ */
+static char **split_path_string(char*);
+
+/*
+ * XmuLocateBitmapFile - read a bitmap file using the normal defaults
+ */
+
+Pixmap
+XmuLocateBitmapFile(Screen *screen, _Xconst char *name, char *srcname,
+ int srcnamelen, int *widthp, int *heightp,
+ int *xhotp, int *yhotp)
+{
+ return XmuLocatePixmapFile (screen, name,
+ (unsigned long) 1, (unsigned long) 0,
+ (unsigned int) 1, srcname, srcnamelen,
+ widthp, heightp, xhotp, yhotp);
+}
+
+
+/*
+ * version that reads pixmap data as well as bitmap data
+ */
+Pixmap
+XmuLocatePixmapFile(Screen *screen, _Xconst char *name,
+ unsigned long fore, unsigned long back,
+ unsigned int depth,
+ char *srcname, int srcnamelen,
+ int *widthp, int *heightp, int *xhotp, int *yhotp)
+{
+
+#ifndef BITMAPDIR
+#define BITMAPDIR "/usr/include/X11/bitmaps"
+#endif
+
+ Display *dpy = DisplayOfScreen (screen);
+ Window root = RootWindowOfScreen (screen);
+ Bool try_plain_name = True;
+ XmuCvtCache *cache = _XmuCCLookupDisplay (dpy);
+ char **file_paths = (char **) NULL;
+ char filename[PATH_MAX];
+#if 0
+ char* bitmapdir = BITMAPDIR;
+#endif
+ unsigned int width, height;
+ int xhot, yhot;
+ int i;
+
+ /*
+ * look in cache for bitmap path
+ */
+ if (cache) {
+ if (!cache->string_to_bitmap.bitmapFilePath) {
+ XrmName xrm_name[2];
+ XrmClass xrm_class[2];
+ XrmRepresentation rep_type;
+ XrmValue value;
+
+ xrm_name[0] = XrmPermStringToQuark ("bitmapFilePath");
+ xrm_name[1] = NULLQUARK;
+ xrm_class[0] = XrmPermStringToQuark ("BitmapFilePath");
+ xrm_class[1] = NULLQUARK;
+ if (!XrmGetDatabase(dpy)) {
+ /* what a hack; need to initialize it */
+ (void) XGetDefault (dpy, "", "");
+ }
+ if (XrmQGetResource (XrmGetDatabase(dpy), xrm_name, xrm_class,
+ &rep_type, &value) &&
+ rep_type == XrmPermStringToQuark("String")) {
+ cache->string_to_bitmap.bitmapFilePath =
+ split_path_string (value.addr);
+ }
+ }
+ file_paths = cache->string_to_bitmap.bitmapFilePath;
+ }
+
+ /*
+ * Search order:
+ * 1. name if it begins with / or ./
+ * 2. "each prefix in file_paths"/name
+ * 3. BITMAPDIR/name
+ * 4. name if didn't begin with / or .
+ */
+
+ for (i = 1; i <= 4; i++) {
+ char *fn = filename;
+ Pixmap pixmap;
+ unsigned char *data;
+
+ switch (i) {
+ case 1:
+#ifndef __UNIXOS2__
+ if (!(name[0] == '/' || ((name[0] == '.') && name[1] == '/')))
+#else
+ if (!(name[0] == '/' || (name[0] == '.' && name[1] == '/') ||
+ (isalpha(name[0]) && name[1] == ':')))
+#endif
+ continue;
+ fn = (char *) name;
+ try_plain_name = False;
+ break;
+ case 2:
+ if (file_paths && *file_paths) {
+ XmuSnprintf(filename, sizeof(filename),
+ "%s/%s", *file_paths, name);
+ file_paths++;
+ i--;
+ break;
+ }
+ continue;
+ case 3:
+ XmuSnprintf(filename, sizeof(filename), "%s/%s", BITMAPDIR, name);
+ break;
+ case 4:
+ if (!try_plain_name) continue;
+ fn = (char *) name;
+ break;
+ }
+
+ data = NULL;
+ pixmap = None;
+#ifdef __UNIXOS2__
+ fn = (char*)__XOS2RedirRoot(fn);
+#endif
+ if (XmuReadBitmapDataFromFile (fn, &width, &height, &data,
+ &xhot, &yhot) == BitmapSuccess) {
+ pixmap = XCreatePixmapFromBitmapData (dpy, root, (char *) data,
+ width, height,
+ fore, back, depth);
+ XFree ((char *)data);
+ }
+
+ if (pixmap) {
+ if (widthp) *widthp = (int)width;
+ if (heightp) *heightp = (int)height;
+ if (xhotp) *xhotp = xhot;
+ if (yhotp) *yhotp = yhot;
+ if (srcname && srcnamelen > 0) {
+ strncpy (srcname, fn, srcnamelen - 1);
+ srcname[srcnamelen - 1] = '\0';
+ }
+ return pixmap;
+ }
+ }
+
+ return None;
+}
+
+
+/*
+ * split_path_string - split a colon-separated list into its constituent
+ * parts; to release, free list[0] and list.
+ */
+static char **
+split_path_string(register char *src)
+{
+ int nelems = 1;
+ register char *dst;
+ char **elemlist, **elem;
+
+ /* count the number of elements */
+ for (dst = src; *dst; dst++) if (*dst == ':') nelems++;
+
+ /* get memory for everything */
+ dst = (char *) malloc (dst - src + 1);
+ if (!dst) return NULL;
+ elemlist = (char **) calloc ((nelems + 1), sizeof (char *));
+ if (!elemlist) {
+ free (dst);
+ return NULL;
+ }
+
+ /* copy to new list and walk up nulling colons and setting list pointers */
+ strcpy (dst, src);
+ for (elem = elemlist, src = dst; *src; src++) {
+ if (*src == ':') {
+ *elem++ = dst;
+ *src = '\0';
+ dst = src + 1;
+ }
+ }
+ *elem = dst;
+
+ return elemlist;
+}
+
+
+void
+_XmuStringToBitmapInitCache(register XmuCvtCache *c)
+{
+ c->string_to_bitmap.bitmapFilePath = NULL;
+}
+
+void
+_XmuStringToBitmapFreeCache(register XmuCvtCache *c)
+{
+ if (c->string_to_bitmap.bitmapFilePath) {
+ if (c->string_to_bitmap.bitmapFilePath[0])
+ free (c->string_to_bitmap.bitmapFilePath[0]);
+ free ((char *) (c->string_to_bitmap.bitmapFilePath));
+ }
+}