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, 247 insertions, 0 deletions

diff --git a/nx-X11/lib/Xft1/xftcore.c b/nx-X11/lib/Xft1/xftcore.c
new file mode 100644
index 000000000..331cbd7e3
--- /dev/null
+++ b/nx-X11/lib/Xft1/xftcore.c
@@ -0,0 +1,247 @@
+/*
+ * $XFree86: xc/lib/Xft/xftcore.c,v 1.5 2000/12/20 00:28:44 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 <stdlib.h>
+#include "xftint.h"
+
+XChar2b *
+XftCoreConvert16 (XftChar16	*string,
+		  int		len,
+		  XChar2b	xcloc[XFT_CORE_N16LOCAL])
+{
+    XChar2b *xc;
+    int	    i;
+    
+    if (len < XFT_CORE_N16LOCAL)
+	xc = xcloc;
+    else
+	xc = (XChar2b *) malloc (len * sizeof (XChar2b));
+    for (i = 0; i < len; i++)
+    {
+	xc[i].byte1 = string[i] & 0xff;
+	xc[i].byte2 = (string[i] >> 8) & 0xff;
+    }
+    return xc;
+}
+
+XChar2b *
+XftCoreConvert32 (XftChar32	    *string,
+		  int		    len,
+		  XChar2b	    xcloc[XFT_CORE_N16LOCAL])
+{
+    XChar2b *xc;
+    int	    i;
+    
+    if (len < XFT_CORE_N16LOCAL)
+	xc = xcloc;
+    else
+	xc = (XChar2b *) malloc (len * sizeof (XChar2b));
+    for (i = 0; i < len; i++)
+    {
+	xc[i].byte1 = string[i] & 0xff;
+	xc[i].byte2 = (string[i] >> 8) & 0xff;
+    }
+    return xc;
+}
+
+XChar2b *
+XftCoreConvertUtf8 (XftChar8	*string,
+		    int		len,
+		    XChar2b	xcloc[XFT_CORE_N16LOCAL],
+		    int		*nchar)
+{
+    XChar2b	*xc;
+    XftChar32	c;
+    int		i;
+    int		n, width;
+    int		clen;
+    
+    if (!XftUtf8Len (string, len, &n, &width))
+	return 0;
+    
+    if (n < XFT_CORE_N16LOCAL)
+	xc = xcloc;
+    else
+	xc = (XChar2b *) malloc (n * sizeof (XChar2b));
+    for (i = 0; i < n; i++)
+    {
+	clen = XftUtf8ToUcs4 (string, &c, len);
+	xc[i].byte1 = c & 0xff;
+	xc[i].byte2 = (c >> 8) & 0xff;
+	string += clen;
+	len -= clen;
+    }
+    *nchar = n;
+    return xc;
+}
+
+void
+XftCoreExtents8 (Display	*dpy,
+		 XFontStruct	*fs,
+		 XftChar8	*string, 
+		 int		len,
+		 XGlyphInfo	*extents)
+{
+    int		direction;
+    int		ascent, descent;
+    XCharStruct overall;
+
+    XTextExtents (fs, (char *) string, len, &direction,
+		  &ascent, &descent, &overall);
+    if (overall.lbearing < overall.rbearing)
+    {
+	extents->x = overall.lbearing;
+	extents->width = overall.rbearing - overall.lbearing;
+    }
+    else
+    {
+	extents->x = overall.rbearing;
+	extents->width = overall.lbearing - overall.rbearing;
+    }
+    extents->y = -overall.ascent;
+    extents->height = overall.ascent + overall.descent;
+    extents->xOff = overall.width;
+    extents->yOff = 0;
+}
+
+void
+XftCoreExtents16 (Display	    *dpy,
+		  XFontStruct	    *fs,
+		  XftChar16	    *string, 
+		  int		    len,
+		  XGlyphInfo	    *extents)
+{
+    int		direction;
+    int		ascent, descent;
+    XCharStruct overall;
+    XChar2b	*xc, xcloc[XFT_CORE_N16LOCAL];
+
+    xc = XftCoreConvert16 (string, len, xcloc);
+    XTextExtents16 (fs, xc, len, &direction,
+		    &ascent, &descent, &overall);
+    if (xc != xcloc)
+	free (xc);
+    if (overall.lbearing < overall.rbearing)
+    {
+	extents->x = overall.lbearing;
+	extents->width = overall.rbearing - overall.lbearing;
+    }
+    else
+    {
+	extents->x = overall.rbearing;
+	extents->width = overall.lbearing - overall.rbearing;
+    }
+    extents->y = -overall.ascent;
+    extents->height = overall.ascent + overall.descent;
+    extents->xOff = overall.width;
+    extents->yOff = 0;
+}
+
+void
+XftCoreExtents32 (Display	    *dpy,
+		  XFontStruct	    *fs,
+		  XftChar32	    *string, 
+		  int		    len,
+		  XGlyphInfo	    *extents)
+{
+    int		direction;
+    int		ascent, descent;
+    XCharStruct overall;
+    XChar2b	*xc, xcloc[XFT_CORE_N16LOCAL];
+
+    xc = XftCoreConvert32 (string, len, xcloc);
+    XTextExtents16 (fs, xc, len, &direction,
+		    &ascent, &descent, &overall);
+    if (xc != xcloc)
+	free (xc);
+    if (overall.lbearing < overall.rbearing)
+    {
+	extents->x = overall.lbearing;
+	extents->width = overall.rbearing - overall.lbearing;
+    }
+    else
+    {
+	extents->x = overall.rbearing;
+	extents->width = overall.lbearing - overall.rbearing;
+    }
+    extents->y = -overall.ascent;
+    extents->height = overall.ascent + overall.descent;
+    extents->xOff = overall.width;
+    extents->yOff = 0;
+}
+
+void
+XftCoreExtentsUtf8 (Display	    *dpy,
+		    XFontStruct	    *fs,
+		    XftChar8	    *string, 
+		    int		    len,
+		    XGlyphInfo	    *extents)
+{
+    int		direction;
+    int		ascent, descent;
+    XCharStruct overall;
+    XChar2b	*xc, xcloc[XFT_CORE_N16LOCAL];
+    int		n;
+
+    xc = XftCoreConvertUtf8 (string, len, xcloc, &n);
+    XTextExtents16 (fs, xc, n, &direction,
+		    &ascent, &descent, &overall);
+    if (xc != xcloc)
+	free (xc);
+    if (overall.lbearing < overall.rbearing)
+    {
+	extents->x = overall.lbearing;
+	extents->width = overall.rbearing - overall.lbearing;
+    }
+    else
+    {
+	extents->x = overall.rbearing;
+	extents->width = overall.lbearing - overall.rbearing;
+    }
+    extents->y = -overall.ascent;
+    extents->height = overall.ascent + overall.descent;
+    extents->xOff = overall.width;
+    extents->yOff = 0;
+}
+
+Bool
+XftCoreGlyphExists (Display	    *dpy,
+		    XFontStruct	    *fs,
+		    XftChar32	    glyph)
+{
+    int		direction;
+    int		ascent, descent;
+    XCharStruct overall;
+    XChar2b	xc;
+
+    XftCoreConvert32 (&glyph, 1, &xc);
+    XTextExtents16 (fs, &xc, 1, &direction,
+		    &ascent, &descent, &overall);
+    return (overall.lbearing != 0 ||
+	    overall.rbearing != 0 ||
+	    overall.width != 0 ||
+	    overall.ascent != 0 ||
+	    overall.descent != 0);
+}
+