Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1

Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:

Imported nx-X11-3.1.0-1.tar.gz
into Git repository

1 files changed, 139 insertions, 0 deletions

diff --git a/nx-X11/lib/Xmu/GrayPixmap.c b/nx-X11/lib/Xmu/GrayPixmap.c
new file mode 100644
index 000000000..478269f8a
--- /dev/null
+++ b/nx-X11/lib/Xmu/GrayPixmap.c
@@ -0,0 +1,139 @@
+/* $Xorg: GrayPixmap.c,v 1.4 2001/02/09 02:03:52 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/GrayPixmap.c,v 1.5 2001/01/17 19:42:55 dawes Exp $ */
+
+#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;
+    }
+}