Initial import of the CDE 2.1.30 sources from the Open Group.

2012-03-10 18:21:40 +00:00
commit 83b6996daa
18978 changed files with 3945623 additions and 0 deletions
--- a/cde/programs/dtscreen/image.c
+++ b/cde/programs/dtscreen/image.c
@@ -0,0 +1,120 @@
+/* $XConsortium: image.c /main/3 1995/11/02 16:07:35 rswiston $ */
+/*
+ */
+/*                                                                      *
+ * (c) Copyright 1993, 1994 Hewlett-Packard Company                     *
+ * (c) Copyright 1993, 1994 International Business Machines Corp.       *
+ * (c) Copyright 1993, 1994 Sun Microsystems, Inc.                      *
+ * (c) Copyright 1993, 1994 Novell, Inc.                                *
+ */
+/*-
+ * image.c - image bouncer for dtscreen, the X Window System lockscreen.
+ *
+ * Copyright (c) 1991 by Patrick J. Naughton.
+ *
+ * See dtscreen.c for copying information.
+ *
+ * Revision History:
+ * 29-Jul-90: Written.
+ */
+
+#include "dtscreen.h"
+#include "xlogo.bit"
+
+static XImage logo = {
+    0, 0,			/* width, height */
+    0, XYBitmap, 0,		/* xoffset, format, data */
+    LSBFirst, 8,		/* byte-order, bitmap-unit */
+    LSBFirst, 8, 1		/* bitmap-bit-order, bitmap-pad, depth */
+};
+
+#define MAXICONS 256
+
+typedef struct {
+    int         x;
+    int         y;
+}           point;
+
+typedef struct {
+    int         width;
+    int         height;
+    int         nrows;
+    int         ncols;
+    int         xb;
+    int         yb;
+    int         iconmode;
+    int         iconcount;
+    point       icons[MAXICONS];
+    long        startTime;
+}           imagestruct;
+
+void
+drawimage(pwin)
+    perwindow *pwin;
+{
+    imagestruct *ip;
+    int         i;
+
+    ip = (imagestruct *)pwin->data;
+    XSetForeground(dsp, pwin->gc, BlackPixelOfScreen(pwin->perscreen->screen));
+    for (i = 0; i < ip->iconcount; i++) {
+	if (!ip->iconmode)
+	    XFillRectangle(dsp, pwin->w, pwin->gc,
+			   ip->xb + xlogo_width * ip->icons[i].x,
+			   ip->yb + xlogo_height * ip->icons[i].y,
+			   xlogo_width, xlogo_height);
+
+	ip->icons[i].x = random() % ip->ncols;
+	ip->icons[i].y = random() % ip->nrows;
+    }
+    if (pwin->perscreen->npixels == 2)
+      XSetForeground(dsp, pwin->gc, WhitePixelOfScreen(pwin->perscreen->screen));
+    for (i = 0; i < ip->iconcount; i++) {
+	if (pwin->perscreen->npixels > 2)
+	    XSetForeground(dsp, pwin->gc,
+		 pwin->perscreen->pixels[random() % pwin->perscreen->npixels]);
+
+	XPutImage(dsp, pwin->w, pwin->gc, &logo,
+		  0, 0,
+		  ip->xb + xlogo_width * ip->icons[i].x,
+		  ip->yb + xlogo_height * ip->icons[i].y,
+		  xlogo_width, xlogo_height);
+    }
+}
+
+void
+initimage(pwin)
+    perwindow *pwin;
+{
+    XWindowAttributes xgwa;
+    imagestruct *ip;
+
+    if (pwin->data) free(pwin->data);
+    pwin->data = (void *)malloc(sizeof(imagestruct));
+    memset(pwin->data, '\0', sizeof(imagestruct));
+    ip = (imagestruct *)pwin->data;
+    ip->startTime = seconds();
+
+    logo.data = (char *) xlogo_bits;
+    logo.width = xlogo_width;
+    logo.height = xlogo_height;
+    logo.bytes_per_line = (xlogo_width + 7) / 8;
+
+    XGetWindowAttributes(dsp, pwin->w, &xgwa);
+    ip->width = xgwa.width;
+    ip->height = xgwa.height;
+    ip->ncols = ip->width / xlogo_width;
+    ip->nrows = ip->height / xlogo_height;
+    ip->iconmode = (ip->ncols < 2 || ip->nrows < 2);
+    if (ip->iconmode) {
+	ip->xb = 0;
+	ip->yb = 0;
+	ip->iconcount = 1;	/* icon mode */
+    } else {
+	ip->xb = (ip->width - xlogo_width * ip->ncols) / 2;
+	ip->yb = (ip->height - xlogo_height * ip->nrows) / 2;
+	ip->iconcount = batchcount;
+    }
+    XSetForeground(dsp, pwin->gc, BlackPixelOfScreen(pwin->perscreen->screen));
+    XFillRectangle(dsp, pwin->w, pwin->gc, 0, 0, ip->width, ip->height);
+}