diff options
Diffstat (limited to 'libXmu/src/GrayPixmap.c')
| -rw-r--r-- | libXmu/src/GrayPixmap.c | 272 |
1 files changed, 136 insertions, 136 deletions
diff --git a/libXmu/src/GrayPixmap.c b/libXmu/src/GrayPixmap.c index ccea46116..66320e1a6 100644 --- a/libXmu/src/GrayPixmap.c +++ b/libXmu/src/GrayPixmap.c @@ -1,136 +1,136 @@ -/* - -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. - -******************************************************************/ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <stdio.h> -#include <X11/Intrinsic.h> -#include <X11/Xmu/Drawing.h> - -typedef struct _PixmapCache { - Screen *screen; - Pixmap pixmap; - Pixel foreground, background; - unsigned int depth; - int ref_count; - struct _PixmapCache *next; - } CacheEntry; - -static CacheEntry *pixmapCache = NULL; - - - -Pixmap -XmuCreateStippledPixmap(Screen *screen, Pixel fore, Pixel back, - unsigned int depth) -/* - * Creates a stippled pixmap of specified depth - * caches these so that multiple requests share the pixmap - */ -{ - register Display *display = DisplayOfScreen(screen); - CacheEntry *cachePtr; - Pixmap stippled_pixmap; - static unsigned char pixmap_bits[] = { - 0x02, 0x01, - }; - -/* - * Creates a stippled pixmap of depth DefaultDepth(screen) - * caches these so that multiple requests share the pixmap - */ - -#define pixmap_width 2 -#define pixmap_height 2 - - /* see if we already have a pixmap suitable for this screen */ - for (cachePtr = pixmapCache; cachePtr; cachePtr = cachePtr->next) { - if (cachePtr->screen == screen && cachePtr->foreground == fore && - cachePtr->background == back && cachePtr->depth == depth) - return( cachePtr->ref_count++, cachePtr->pixmap ); - } - - stippled_pixmap = XCreatePixmapFromBitmapData (display, - RootWindowOfScreen(screen), (char *)pixmap_bits, - pixmap_width, pixmap_height, fore, back, depth); - - /* and insert it at the head of the cache */ - cachePtr = XtNew(CacheEntry); - cachePtr->screen = screen; - cachePtr->foreground = fore; - cachePtr->background = back; - cachePtr->depth = depth; - cachePtr->pixmap = stippled_pixmap; - cachePtr->ref_count = 1; - cachePtr->next = pixmapCache; - pixmapCache = cachePtr; - - return( stippled_pixmap ); -} - -void -XmuReleaseStippledPixmap(Screen *screen, Pixmap pixmap) -{ - register Display *display = DisplayOfScreen(screen); - CacheEntry *cachePtr, **prevP; - for (prevP = &pixmapCache, cachePtr = pixmapCache; cachePtr;) { - if (cachePtr->screen == screen && cachePtr->pixmap == pixmap) { - if (--cachePtr->ref_count == 0) { - XFreePixmap( display, pixmap ); - *prevP = cachePtr->next; - XtFree( (char*)cachePtr ); - break; - } - } - prevP = &cachePtr->next; - cachePtr = *prevP; - } -} +/*
+
+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.
+
+******************************************************************/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <stdio.h>
+#include <X11/Intrinsic.h>
+#include <X11/Xmu/Drawing.h>
+
+typedef struct _PixmapCache {
+ Screen *screen;
+ Pixmap pixmap;
+ Pixel foreground, background;
+ unsigned int depth;
+ int ref_count;
+ struct _PixmapCache *next;
+ } CacheEntry;
+
+static CacheEntry *pixmapCache = NULL;
+
+
+
+Pixmap
+XmuCreateStippledPixmap(Screen *screen, Pixel fore, Pixel back,
+ unsigned int depth)
+/*
+ * Creates a stippled pixmap of specified depth
+ * caches these so that multiple requests share the pixmap
+ */
+{
+ register Display *display = DisplayOfScreen(screen);
+ CacheEntry *cachePtr;
+ Pixmap stippled_pixmap;
+ static unsigned char pixmap_bits[] = {
+ 0x02, 0x01,
+ };
+
+/*
+ * Creates a stippled pixmap of depth DefaultDepth(screen)
+ * caches these so that multiple requests share the pixmap
+ */
+
+#define pixmap_width 2
+#define pixmap_height 2
+
+ /* see if we already have a pixmap suitable for this screen */
+ for (cachePtr = pixmapCache; cachePtr; cachePtr = cachePtr->next) {
+ if (cachePtr->screen == screen && cachePtr->foreground == fore &&
+ cachePtr->background == back && cachePtr->depth == depth)
+ return( cachePtr->ref_count++, cachePtr->pixmap );
+ }
+
+ stippled_pixmap = XCreatePixmapFromBitmapData (display,
+ RootWindowOfScreen(screen), (char *)pixmap_bits,
+ pixmap_width, pixmap_height, fore, back, depth);
+
+ /* and insert it at the head of the cache */
+ cachePtr = XtNew(CacheEntry);
+ cachePtr->screen = screen;
+ cachePtr->foreground = fore;
+ cachePtr->background = back;
+ cachePtr->depth = depth;
+ cachePtr->pixmap = stippled_pixmap;
+ cachePtr->ref_count = 1;
+ cachePtr->next = pixmapCache;
+ pixmapCache = cachePtr;
+
+ return( stippled_pixmap );
+}
+
+void
+XmuReleaseStippledPixmap(Screen *screen, Pixmap pixmap)
+{
+ register Display *display = DisplayOfScreen(screen);
+ CacheEntry *cachePtr, **prevP;
+ for (prevP = &pixmapCache, cachePtr = pixmapCache; cachePtr;) {
+ if (cachePtr->screen == screen && cachePtr->pixmap == pixmap) {
+ if (--cachePtr->ref_count == 0) {
+ XFreePixmap( display, pixmap );
+ *prevP = cachePtr->next;
+ XtFree( (char*)cachePtr );
+ break;
+ }
+ }
+ prevP = &cachePtr->next;
+ cachePtr = *prevP;
+ }
+}
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