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 66320e1a6..ccea46116 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; + } +} |