1 files changed, 80 insertions, 0 deletions
diff --git a/xc/lib/Xft/extents.c b/xc/lib/Xft/extents.c
new file mode 100644
index 000000000..cccfc8c68
--- /dev/null
+++ b/xc/lib/Xft/extents.c
@@ -0,0 +1,80 @@
+/*
+ * $XFree86: xc/lib/Xft/extents.c,v 1.1 2000/10/05 18:05:26 keithp Exp $
+ *
+ * Copyright © 2000 Keith Packard, member of The XFree86 Project, Inc.
+ *
+ * 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, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD 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.
+ */
+
+#include "xftint.h"
+
+void
+XftExtentsString (Display	*dpy,
+		  XftFont	*font,
+		  unsigned char	*string, 
+		  int		len,
+		  XGlyphInfo	*extents)
+{
+    unsigned long   missing[XFT_NMISSING];
+    int		    nmissing;
+    unsigned char   *s;
+    int		    l;
+    XGlyphInfo	    *gi;
+    int		    x, y;
+
+    s = string;
+    l = len;
+    nmissing = 0;
+    while (l--)
+	_XftCheckGlyph (dpy, font, (unsigned long) *s++, missing, &nmissing);
+    if (nmissing)
+	_XftLoadGlyphs (dpy, font, missing, nmissing);
+    
+    if (!len)
+    {
+	extents->width = 0;
+	extents->height = 0;
+	extents->x = 0;
+	extents->y = 0;
+	extents->yOff = 0;
+	extents->xOff = 0;
+	return;
+    }
+    len--;
+    gi = font->realized[*string++];
+    *extents = *gi;
+    x = gi->xOff;
+    y = gi->yOff;
+    while (len--)
+    {
+	gi = font->realized[*string++];
+	if (gi->x + x < extents->x)
+	    extents->x = gi->x + x;
+	if (gi->y + y < extents->y)
+	    extents->y = gi->y + y;
+	if (gi->width + x > extents->width)
+	    extents->width = gi->width + x;
+	if (gi->height + y > extents->height)
+	    extents->height = gi->height + y;
+	x += gi->xOff;
+	y += gi->yOff;
+    }
+    extents->xOff = x;
+    extents->yOff = y;
+}